Index

Page numbers in italics refer to Figures and those in Bold refer to Tables

Alba Field 12, 49, 979 stratigraphy 486, 489-90 Albury Field 937, 979 structure 486, 487-9

data summary 940-1,949 trap 490-1 location 929, 931-2 production history 929-31,932 Bacton Group, Triassic reservoir 41,937 Esmond Field 34

Alligin Field 122 Forbes Field 34 Altena Group, Lower Jurassic 38 Gordon Field 34 Alwyn North Field 26, 37, 39, 40, 329, Hewett Field 34

979 Little Dotty Field 34 Alwyn South Field 40 see Dunbar Field; Balcombe Field 979

Ellon Field; Grant Field Balder Formation, Eocene 49 Amethyst Field 30, 684, 979 Brimmond Field 560 Andrew Field 12, 45, 979 Foinaven Field 12

data summary 949 Harding Field 283-5, 286 discovery 134-5 Nelson Field 619 history 133-4 West Brae Field 224-230 reserves and production 136 Balmoral Field 979 reservoir 48, 135 exploration and development history structure, stratigraphy, trap and source 395, 398

48, 135 geophysics 401,403 Andrew Formation, Palaeocene hydrocarbons 406

Andrew Field 133-6 location 395, 396 Cyrus Field 136-7 production and reserves 409, 411-2, Balmoral Field 395, 400, 402, 406, 407, 411

409 production facilities and Andrew Shale, Palaeocene transportation 413

Andrew Field 135 reservoir characteristics 48, 406, 407, Angus Field 44, 979 409 Angus Sandstone, Upper Jurassic 44 stratigraphy and regional setting 48, Apleyhead Field 979 397, 400-1,402 Arbroath Field 7, 8-9, 10, 979 trap and source 406

data summary 615, 949 Balmoral Sandstone, Palaeocene history 611-12 MacCulloch Field 453, 455, 458-61 location 611 Banff Field 980 reserves and production 612-13, 615 data summary 507, 951 reservoir 612-14 history 497, 499, 501 source 614 hydrocarbons 505-6 stratigraphy 612 location 497, 498-500 structure 48, 612 reserves and production 506-7 trap 612 reservoir 46, 48, 502-3, 505-6

Ardmore Field see Argyll Field seismic 497, 499 Argyll Field 25, 32, 979 source 505 Arkwright Field 979 stratigraphy 501,503

data summary 616, 949 structure 45, 48, 499, 501,502 history 611-12 trap 501-2, 504 location 611 Banks Group, Lower Jurassic 37, 38 reserves and production 612-13, 615 Strathspey Field 355, 358, 358, 360, reservoir 48, 612-14 360-3, 365-7 source 614 see also Nansen Formation; Statfjord stratigraphy 612 Formation structure 48, 612 Barque Field 30, 684, 692, 980 trap 612 data summary 670, 951

Armada Field 139-51,979 see also geophysics 664, 666, 667 Drake Field; Fleming Field; history 663 Hawkins Field hydrocarbons 669-70

Atlantic Margin Fields 119-30 location 663, 664 Auk Field 32, 979 reserves 670

data summary 496, 950 reservoir 668, 669 history 485, 486, 487 source 669 hydrocarbons 492 stratigraphy 663, 665-6 reserves and later development 492-3, trap 664, 666-7

495 Barren Red Measures, Carboniferous 27 reservoirs 491-2, 493-4 Schooner Field 811 21

Base Cretaceous Unconformity 148, 154-7, 157, 159, 164, 172-3, 172, 707, 715, 719, 743

Baxter's Copse Field 980 Beatrice Field 21, 38, 39, 41,980 Beaufort Field 980

data summary 711,951 development 707-9 history 705-6, 707 location 705, 706-7 reserves and production 710,

711-12 reservoir 30, 709-11, 709 source 711, stratigraphy 706-7, 708 trap 706, 707-9

Beauly Field 413 Beckering Field 27 Beckingham Field 27, 905, 980 Beinn Field 980

data summary 952 geophysics 207, 208 history 199, 201, 202 location 177, 199, 200 reservoir 43

Belvoir Field 980 Beryl Embayment Group, Middle

Jurassic Statfjord Field 157, 157, 160-3

Beryl Field 7, 11-12, 11, 980 data summary 165, 952 hydrocarbons 164 history 154 location 153-4 regional structure and tectonic evolution

155 7, 163 reserves 164, 166 reservoirs 37, 40, 157, 158-63 seismic surveys 154, 155 source 163-4 stratigraphy 157 trap 157

Bessemer Field 30, 981 data summary 711,952 development 707-9 history 705--6, 707 location 705, 706-7 reserves and production 710, 711-12 reservoir 709-11 source 711, stratigraphy 706-7, 708 trap 706, 707-9

Big Dotty Field 986 conclusions 739 data summary 738, 963 history and discovery method 732-3 hydrocarbons 739 hydrocarbon source 737, 739 location 731-2 reserves and production 739 reservoir 736-7 stratigraphy 734-5 structure 733-4 trap 735-6

995

996 INDEX

Birch Oil Field 980 data summary 180, 952 development method 169, 171 history 167-8, 169-170 location 167, 168 maturation 168, 177-8 reserves and production 168, 173,

176 7, 178-9 reservoir 43, 173, 174 pore types and diagenesis 174-7 source 168, 170, 172, 177 stratigraphy 168, 171-2, 173 structure 168, 169-71, 172 trap 169, 172-4

Bittern Field 48 Bladon Field 48, 48 Blair Field 48, 48, 398 Blake Field 12, 15, 45 Blenheim Field 48, 48, 980 Bletchingley Field 980

data summary 940-1,953 location 929 history 929 reservoir 41,937 8 stratigraphy 931

Bothamsall Field 27, 980 Boulton Field 29, 980

data summary 680, 953 gas-in-place and reserves 680 geophysics 676, 67~8 history 671,673 location 671,672 reservoir 676, 679 structural development and stratigraphy

671 6 trap 676

Brae Field see Central Brae Field; East Brae Field, North Brae Field; South Brae Field; West Brae Field

Brae Formation, Upper Jurassic 43 Beinn Field 43, 202, 207, 208 Birch Field 43, 167, 170, 171-2 Central Brae Field 43, 184-7 East Brae Field 43, 192, 193-6 Ehn Field 43 Kingfisher Field 305-13 Larch Field 43 North Brae Field 43, 201-6, 208 Pine Field 43 South Brae Field 43, 212-20 T-Block Fields 43, 369, 371, 374, 375

Brent Field 7, 10-11, 11, 26, 39-40, 981 data summary 249, 954-5 field development 238, 246-9 history 233-6 hydrocarbons 245 location 233, 234-6 reserves and production 245 6 reservoir 239-45 seismic data 236-7 source 245 stratigraphy 238 9 structure 234-6, 237-8 trap 235-6, 239

Brent Group, Middle Jurassic 19, 24 Alwyn North Field 37, 40 Alwyn South Field 40 Brent Field 40, 233-45 Columba Field 40 Deveron Field 40, 253, 254 Don Field 40, 259-261

Dunbar Field 40, 271-5 Dunlin Field 40 Egret Field 40 Eider Field 40 Ellon Field 40, 265-7, 270-5 Grant Field 40, 265-7, 270-5 Heather Field 40, 292-300 Hudson Field 40 Hutton Field 40 Lyell Field 40 Murchison Field 40 Ness Field 40 Ninian Field 40 North Cormorant Field 40, 315, 318,

321, 322, 323 Osprey Field 40 South Cormorant Field 40 Staffa Field 40, 328, 330-2 Statfjord Field 40, 335, 340, 344, 345,

349 Strathspey Field 40, 355, 358, 358,

360, 362, 364, 365-7 Tern Field 40 Thistle Field 40, 385, 386 9, 390 see also Broom Formation; Etive

Formation; Ness Formation; Rannock Formation; Tarbert Formation

Bressay Field 48, 49 Bridport Sandstone, Jurassic 6, 38 Brigg Field 981 Brimmond Field 981

data summary 561,955 discovery 558 history 557 8 reserves and production 558, 559 reservoir 48, 558 source 558 stratigraphy 558 structure 48, 558 trap 558

Britannia Field 12, 981 data summary 428, 955 exploration history 415-17 geophysics 418-19, 420-2 location 415 regional structure and tectonic history

415, 417 18 reserves and production 427-8 reservoir 45, 418-19, 421-7 source 415, 427 trap 415, 419-21,422-4

Britannia Sandstone Formation, Lower Cretaceous

Britannia Field 421-7 Tiffany Field 371 Brockham Field 41,981

Broom Formation, Middle Jurassic 38 Brora Coal Formation, Middle Jurassic

Beatrice Field 41 Broughton Field 981 Brown Field 981

data summary 711,955 development 707-9 history 705-6, 707 location 705, 706-7 reserves and production 710, 711-12 reservoir 30, 709-11 source 711, stratigraphy 706-7, 708 trap 706, 707-9

Bruce Field 39, 40, 46, 981 Buchan Field 25, 981 Buckland Field 40 Bunter Group Fields 31 Bunter Sandston Formation, Triassic

Hewett Field 731,736, 738 Bure Field 981 Buzzard Field 44

Cador Field 981 Caister Field 29, 789, 981 Calder Field 981 Caledonian

Orogeny 17, 20, 25, 33 Plate Cycle 17

Calder Sandstone Member (Wilmslow Sandstone equivalent) 65

Callovian unconformity 154, 155, 157, 157, 159

Calow Field 981 Camelot Field 981

data summary 689, 955 gas initially in place 687 geophysics

depth conversion 682-4, 686 seismic interpretation 682, 684-5

history (post-1989) 681-682, 683-4 location 681,682 production 687-8 reservoir 30, 687, 688 trap 684, 686-7

Captain Field 12, 981-2 data summary 440-1,956 development 434, 438-440 formation water 438 geophysics 437-8 history 432, 433-5 location 431-3, 434 reservoir 45, 438 source and migration 438 stratigraphy 431, 433, 435-7 trap and top seal 432, 438

Captain Sandstone Member, Lower Cretaceous

Captain Field 431-40 Caunton Field 982 Central Brae Field 43, 167, 980

data summary 95, 189 geophysics 183 history 183 hydrocarbons 188 reserves 188 reservoir 184-5, 187 source 188 stratigraphy 183 trap 183 4

Central Graben Fields 36, 41-2, 483-659 Central Graben triple junction 17, 20,

41-2, 141 Chalk Group, Cretaceous 38, 45, 46

Brent Field 40 Bruce Field 46 Captain Field 433, 437-8 Ekofisk Field, Norway 10 Pierce Field 647, 657 see also Ekofisk Formation

Chanter Field 43, 982 Clair Field 15, 17, 25, 121,982 Claymore Field 12, 12, 30, 44, 982 Cleeton Field 30, 982 Cleveland Basin 22, 32, 34

INDEX 997

climate change 24, 29 Clipper Field 663, 982

data summary 697, 956 geophysics 694, 693 history 692-3 hydrocarbons 695, 697 location 691 2 reserves 697 reservoir 30, 695, 696 source 695 stratigraphy 693-4, 692 structural history 694 5 trap 694

Clyde Field 42, 982 Coal Measures Group, Carboniferous 27

Barque Field 669 Clipper Field 695 Corvette Field 704 Schooner Field 811-17 V-Fields 869 Waveney Field 888, 890

Cold Hanworth Field 27, 982 Collyhurst Sandstone Formation, Permian

Douglas Field 63-5, 70 Hamilton Field 78-9, 79, 84 Hamilton North Field 78-9, 79, 84 Lennox Field 87, 89-90, 9 South Morecambe Field 110, 110

Columba Field 40, 982 compactional drape 38, 39, 47 compressional reactivation see inversion Conybeare Group, Carboniferous

Guinevere Field 728 Trent Field 835-6,838,841,846, 847, 849

Cook Formation, Lower Jurassic Gullfaks Field, Norway 38 Oseberg Field, Norway 38 Snorre Field, Norway 38 Statfjord Field, Norway 38

Corallian, Upper Jurassic Bletchingley Field 41,931, 937-8 Palmer's Wood Field 41,931, 938

Cormorant Field 11, 26 see also North Cormorant Field; South Cormorant Field

Cormorant Formation, Triassic Beryl Field 37, 157-8, 157 Crawford Field 37 Linnhe Field 37 Nevis Field 37 North Cormorant Field 35 Pelican Field 35 Penguin Field 35 South Cormorant Field 35 Tern Field 35

Cornbrash, Middle Jurassic Kimmeridge Bay Field 41,945-6

Corringham Field 27, 982 Corvette Field 982

data summary 704, 956 discovery 701 history 699-701 location 699, 699 reserves and production 704 reservoir 30, 702-3, 704 source 704 stratigraphy 701,704 structure 701 trap 699, 704

Cousland Field 29 Crawford Field 37, 48, 49, 982

Cromarty Field 45 Cromer Knoll Formation, Lower

Cretaceous 38, 46 Brent Field 40 Erskine Field 527, 529 see also Captain Sandstone Member;

Sola/Rodby Shale; Valhall Formation

Cropwell Butler Field 982 Crosby Warren Field 27, 982 Cullin Field 122 Curlew Field 982

data summary 522, 956-7 history 509-10, 511-13 location 509 reservoir 46, 48 sedimentology 516-19, 521 stratigraphy 512, 513, 514, 516 17 structure 48, 510, 513, 514-15 trap 511, 513, 516, 518-19 volumes and production 519-20, 521

Cyrus Field 982 data summary 957 discovery 137 history 136-7 reserves and production 134, 137 reservoir 137 structure, stratigraphy, trap and source

48, 137

Dalton Field 35 Dauntless Field 43, 982 Davy Field 983

data summary 711,957 development 707-9 history 705-6, 707 location 705, 706 7 reserves and production 710, 711 12 reservoir 30, 48, 709-11 source 711, stratigraphy 706-7, 708 trap 706, 707-9

Dawn Field 986 data summary 738, 964 history and discovery method 732-3 hydrocarbons 739 hydrocarbon source 737, 739 location 731-2 reserves and production 739 reservoir 736-7 stratigraphy 734 5 structure 733-4 trap 735-6

Deborah Field 983 data summary 738, 964 history and discovery method 732-3 hydrocarbons 739 hydrocarbon source 737, 739 location 731-2 reserves and production 739 reservoir 736-7 stratigraphy 734-5 structure 733-4 trap 735-6

Delilah Field 986 data summary 738, 964 history and discovery method 732-3 hydrocarbons 739 hydrocarbon source 737, 739 location 731-2 reserves and production 739

reservoir 736-7 stratigraphy 734-5 structure 733-4 trap 735-6

Della Field 986 data summary 738, 964 history and discovery method 732-3 hydrocarbons 739 hydrocarbon source 737, 739 location 731-2 reserves and production 739 reservoir 736-7 stratigraphy 734-5 structure 733-4 trap 735-6

depth conversion 7,65, 98-9, 110, 144-5, 148-9, 666, 681-4, 686, 694, 708-9, 715, 743, 754-5, 801,803, 899

Deveron Field 983 data summary 255, 957 discovery 252 fluids 254 geophysics 252, 253-4 history 251-2 location 251,525 reserves 254 5 reservoir 40, 253, 254 stratigraphy 252, 253 structure 252-3

Devonian reservoir deposits Stifling Field 400-1,402, 409, 410

Dierdre Field 736 differential flow 42 doming 19, 24, 38, 47 see also North Sea

Dome Don Field 983

data summary 262-3, 957 discovery 260 fluids 261-2 geophysics 260 history 258-60 lesson learned 262 location 257, 258 reserves 262 reservoir 40, 260-1 source 261 stratigraphy 260, 261 trap 260

Donan Field 48, 48 Dotty Fields see Big Dotty Field; Little

Dotty Field Douglas Oil Field 983

data summary 74, 958 history 63 hydrocarbon volumes and development

plans 72-3, 74 reservoir 35, 66-70 source 70-1, 73 stratigraphy 63-5 structure 64-6, 65 trap 65-6

Drake Field 983 data summary 150, 950 development drilling 148 history 139-41 reserves and production 144, 151 reservoir 148, 149 source and fluid composition 151 stratigraphy and regional setting 141-2 structural geology and seismic

considerations 145-8

998 INDEX

Draupne Formation, Upper Jurassic Statfjord Field 349

drive mechanisms depletion 770, 891 edge 787 electrical submersible pumps 73, 74,

589 fluid expansion 941 gas injection 92, 95, 154, 165, 179, 220,

249, 352, 583, 584, 614-15, 647 gas lift 136, 169, 248, 379, 411-12, 463,

589, 603, 644, 739, 932 gas recycling 196-7, 201,208, 444 jet pumping 926 natural depletion 150, 165, 249, 255,

263, 280, 314, 365, 368, 554, 601, 697, 824

natural water drive 85, 129, 165, 230, 255, 333,379, 450, 463-4, 486, 496, 510, 522, 534-5, 549, 553-4, 601, 609, 614-16, 644-5, 687, 689, 833

pressure depletion 428, 670, 704, 730, 775-6, 910, 919

solution gas 165, 333, 601,941,946 volumetric depletion 105, 117, 832,

869 volumetric gas expansion 711,746-7,

941 water injection 74, 128, 165, 169, 176,

178-9, 183, 188-9, 221,249, 258, 263, 280, 290, 303, 351-2, 367-9, 379, 390, 392, 411,441,450, 480-1, 486, 495-6, 507, 539, 546, 549, 553-4, 563-4, 565, 569, 584, 588, 600, 644

Water-Alternating-Gas injection 166, 188, 220, 349, 351-2

Dunbar Field 983 data summary 280 history and discovery method 265-7,

268-9 regional structure and stratigraphy

265-6, 267-8 reserves and production 277, 279 reservoir 40, 266, 269, 271, 272-76,

277-8 source 266, 269, 276 7, 279 trap 266-7, 268-70, 272

Duncan Field 983 Dunlin Field 40, 98 Dunlin Group, Lower Jurassic 38

Beryl Field 157, 160 Dunbar Field 268 North Cormorant Field Statfjord Field 341,343, 347 Strathspey Field 360, 362, 365 Thistle Field see also Cook Formation

Durward Field 43, 983

Eakring Dukeswood Field 27, 983 Eakring Field 5 22, 27 East Brae Field 980

data summary 197, 953 geophysics 194, 195 history 191, 193 hydrocarbons 196 location 191, 192 reserves and production 196 reservoir 43, 195-6 source 196

stratigraphy 192, 193, 195 structure 193, 194

East Foinaven Field 122 East Glentworth Field 27 East Irish Sea Fields 35, 61-118 East Midland Basin Fields 30, 903-26 East Shetland Basin 38 East Shetland Platform 40 economic indicators, over-reliance on 13 Egmanton Field 27, 983 Egret Field 35, 40, 983 Eider Field 40, 983 Ekofisk Field, Norway 10 Ekofisk Formation, Upper

Cretaceous 46 Banff Field 497, 500, 501-4, 505-6 Fife Field 538, 540 Pierce Field 647, 657

Elgin Field 35, 42, 983 Ellon Field 40, 983

data summary 280 history and discovery method 265-7,

268-9 regional structure and stratigraphy

265-6, 267-8 reserves and production 277, 279 reservoir 266, 269, 271, 272-6, 277-8 source 266, 269, 276-7, 279 trap 266-7, 268-70, 272

Elm Field 43, 167 Embla Field 25 Emerald Field 17, 25, 293, 297, 983 Emerald Sand, Mid Jurassic

Heather Field 293, 297-8, 299, 300 Erskine Field 983

data summary 534, 958 history 523 4, 525 location 523, 524 reserves and production 534, 535 reservoirs 526, 528, 529-33 source 533 stratigraphy 525-7, 529 structure 524-5, 526 trap 525-6, 529

Esmond Field 34, 984 Etive Formation, Middle Jurassic 38-40 Ettrick Field 32, 984 eustacy 24-5, 29, 37, 42, 45 6 Everest Field 48, 48, 984 Excalibur Field 727, 771, 775 extended-reach drilling 6 extensional basin development

Late Jurassic-earliest Cretaceous 19 Permian-Triassic 19

Faeroe-Shetland Basin 24, 48-9 Farley's Wood Field 22, 27, 984 Farsund Formation, Netherlands

Flora Field 553 fault scarp degradation 40, 42, 44 Fergus Field 984

data summary 546, 959 history 538-9 location 537, 538 reserves and production 544-7 reservoir 542-4 seismic 539, 540 source 544 stratigraphy 538, 539 structure 540, 541 trap 540, 542

Fife Field 984 data summary 546, 959 history 538-9 location 537, 538 reserves and production 544-7 reservoir 44, 46, 542-4 seismic 539, 540 source 544 stratigraphy 538, 539 structure 540, 541 trap 540, 542

Fife Sandstone, Upper Jurassic 44 Fergus Field 538, 539, 544 Fife Field 538, 539-44, 545

Fiskerton Airport Field 27 Fleming Field 984

data summary 150, 950 development drilling 145 history 139-41 reserves and production 151 reservoir 48, 144-5 source and fluid composition 151 stratigraphy and regional setting 140,

141-2 structural geology and seismic

considerations 48, 142-4 Flora Field 30, 984

data summary 554, 959 history 549-50 location 549, 550 regional setting and structural

development 550-1 reserves and production 550,

553-4 reservoir 46, 551-3, 554 source 553 stratigraphy 551,552 trap 550, 551,552-3

Flora Sandstone, Upper Carboniferous Flora Field 549, 551-3, 554

Flounder Formation Marls, Late Cretaceous

Balmoral Field 406 Foinaven Field 7, 14, 15, 984 data summary 130, 959 history 121-2 location 121 reserves and production 127, 128-9 reservoir 49, 125, 128 source 128 stratigraphy 123, 124 structure 122-4, 125 trap 124-8 see also East Foinaven

footwall closures 26, 36, 38-9, 41, 65 collapses 40 uplift 40, 42

Forbes Field 34, 984 Formby Fault 5 Formby Field 5 Forties Field 7, 9-10, 10, 984

data summary 561,959 discovery 558 history 557-8 reserves and production 558, 559 reservoir 48, 558 source 558 stratigraphy 558 structure 48-9, 558 trap 558

INDEX 999

Forties Sandstone Member, Palaeocene 46, 47-8

Andrew Field 48 Arbroath Field 48, 611-12, 614 Arkwright Field 48, 611-12, 614 Balmoral Field 48 Banff Field 48 Bladon Field 48 Blair Field 48 Blenheim Field 48 Brimmond Field 48 Curlew Field 48 Cyrus Field 48 Donan Field 48 Everest Field 48 Fleming Field 48 Forties Field 48, 561 Gannet Field 48 Glamis Field 48 Joanne Field 48 Lomond Field 48 MacCulloch Field 48 Machar Field 48 Maureen Field 48 Moira Field 48 Monan Field 48 Montrose Field 48, 611-12, 614 Mungo Field 48 Nelson Field 13, 47, 48, 617, 619,

621-39 Orion Field 48 Pierce Field 48, 647, 652-5, 657 Sedgewick Field 48

Franklin Field 35, 42, 984 Frigg Field 49, 984 Frigg Sandstone Member, Eocene

Alba Field 49 Frigg Field 49 Gryphon Field 49 Harding Field 49, 284-5, 286 Nuggets Fields 49

Frome Clay, Middle Jurassic Wytch Farm Field 41

Fulmar Field 984-5 data summary 584, 960 diagenesis 580 history 563-4, 565-7, 569 lithology and depositional environment

572, 573, 581 location 563, 564 reserves and production 565, 583, 584 reservoir 42, 578-9, 582

porosity and permeability 571, 578, 579-80

zonation and flow units 572, 580-582, 584

sequence stratigraphy 571-2, 574, 576, 577-8

stratigraphy 572, 573-7, 581 structure 566, 568, 569, 570-1 trap mechanisms and hydrocarbons

566, 569, 573 Fulmar Formation, Upper Jurassic

Armada development 139, 141, 145, 148-51

Clyde Field 42 Curlew Field 510-14, 516-19, 521 Elgin Field 42 Franklin Field 42 Fulmar Field 42, 563-85 Shearwater Field 42

Gainsborough Field 27, 905, 985 Galahad Field 775 Galleon Field 66, 692 Gannet Fields 35, 43, 48-9, 48, 984 gas monopoly 8 gas storage 905-7, 910, 932 Gawain Field 699, 986

data summary 722, 960 development and production 722 history 713, 715, 715 location 713, 714 reservoir 30, 720, 721-2 source 722 stratigraphy 719-20, 718 structure 715-19 trap 715, 719, 720

Glamis Field 985 exploration and development

history 395, 398-400, 401 geophysics 401,404, 406 hydrocarbons 406 location 395, 396 production and reserves 412, 412 facilities and transportation 413 reservoir characteristics 48, 408, 409,

410 stratigraphy and regional setting 397,

400-1,402 trap and source 48, 406

Glamis Sandstone, Upper Jurassic Glamis Field 398, 399, 400-1,402,

408, 409 Glentworth Field 27, 985 Glentworth East Field 985 Godley Bridge Field 985 Gogiarth fault 64, 65, 67, 70, 80, 80 Goldeneye Field 15, 45 Goodworth Field 960, 985

data summary 940-1 location 929, 930 reservoir 41,937

Gordon Field 34, 985 Grant Field 40, 985

data summary 280, 960 history and discovery method 265-7,

268-9 regional structure and stratigraphy

265-6, 267-8 reserves and production 277, 279 reservoir 266, 269, 271, 272-6, 277-8 source 266, 269, 276-7, 279 trap 266-7, 268-70, 272

gravity flows 46 Great Oolite Formation, Middle Jurassic

Brockham Field 41 Goodworth Field 41,929-31, 97 Herriard Field 41,929-32 Horndean Field 41,929-31,938-9 Humbley Grove Field 41,929-32,

934-5 Singleton Field 41,929-31,936-7 Stockbridge Field 41,929-31,937 Storrington Field 41,929-31,935-6

Groningen Field, Netherlands 5-6 Gryphon Field 49, 986 Guillemot Field 49, 985 Guinevere Field 986

data summary 729, 961 history 723-4 hydrocarbons 728 location 723

reserves and production 728-9 reservoir 30

characterization 727-8 description and geological method

727 zonation 727

source 728 stratigraphy 724-5 structural history 725-6 trap 726

Gullfaks Field, Norway 38

Hamilton fault 64, 80, 80, 84, 90 Hamilton Field 986

data summary 85, 961 diagenetic history 83 his tory 77, 78 hydrocarbon volumes and development

plans 78, 82, 83-5 reservoir 35, 81-3 reservoir fluid parameters 83 source :rock. and hydrocarbon

migration 83, 84 stratigraphy 77, 78-9 structure 79-80 trap 79, 80-1

Hamilton North Field 986 data summary 85, 961 diagenetic history 83 history 77, 78 hydrocarbon volumes and development

plans 78, 82, 83-5 reservoir 35, 81-3 reservoir fluid parameters 83 source rock and hydrocarbon

migration 83, 84 stratigraphy 77, 78-9 structure 79-80 trap 79, 80-1

Hamish Field 986 data summary 450, 961 history 443-4 location 443 reserves and production 444, 447,

448-50 reservoir

depositional environments and facies 445 -7

flow unit zonation 447, 448 quality, geological controls on 447

stratigraphy 445, 446 structure 443, 444-5

Haisborough Group, Triassic Hewett Field 735, 735 seal 34

Halibut Horst 45 halokinesis see salt movement Hamish Field 43 hangingwall anticlines 27 hangingwall subsidence 40, 42 hangingwall traps 43-4 Hannay Field 45 Harding Field 986

data summary 290, 961 history 283-4 hydrocarbons and their source 285-7 location 283 reserves and production 286, 287-8,

289 reservoir 49, 285, 289 stratigraphy 284-5, 286

1000 INDEX

Harding Field (continued) structure 284, 285, 287 trap 285

Hardstoft Field 5 986 Hatfield Moors Field 27, 986

data summary 910, 962 gas production 905-6 gas storage 906-7 geological history 905, 907-8 history 905 location 905 reserves 909 reservoir 908-9 seismic 908 source rock and migration 909 trap 906-7, 908

Hatfield West Field 27, 986 data summary 910, 962 gas production 905-6 gas storage 906-7 geological history 905, 907-8 history 905 location 905 reserves 909 reservoir 908-9 seismic 908 source rock and migration 909 trap 906-7, 908

Hauptdolomite Formation, Permian 32 Hawkins Field 986

data summary 150, 950 development drilling 151 history 139-41 reserves and production 151 reservoir 149, 151 source and fluid composition 151 stratigraphy and regional setting 140,

141-2 structural geology and seismic

considerations 148-9 Heather Field 986

data summary 303, 962 history 292, 293 location 291, 292 reserves and production, impact of

geoscience projects on 300-2, 303

reservoir 40 quality 299-300 stratigraphy 296-7, 298-9

source 300, 301 structure and trap 292, 293-298

Heather Formation, Upper Jurassic 41, 43

Beryl Field 163-4 Birch Field 177 Captain Field 432-4, 435 Don Field 260, 261 Drake Field 145-8 Dunbar Field 268 Ellon Field 270 Erskine Field 523-9, 533-5 Grant Field 270 Hawkins Field 148 Heather Field 295, 299, 299 Kingfisher Field 305-10, 310-11 Staffa Field 330 Thistle Field 388-9, 389-90 Toni Field 371

Helmswell Field 986 Heron Field 35, 40, 986

Herriard Field 986 data summary 940-1,962 location 929, 930 production history 929, 931 reservoir 41,937

Hewett Field 7, 986 data summary 738, 963-4 history and discovery method

732-3 hydrocarbons 739 hydrocarbon source 737, 739 location 731-2 reserves and production 739 reservoir 31, 736-7 stratigraphy 734-5 structure 733-4 trap 735-6

Hewett Sandstone, Triassic Hewett Field 731-2, 734, 735

Highlander Field 44, 986 history of exploration 5-16 Holywell Shale Formation,

Carboniferous Douglas Field 63, 64, 70-1 Hamilton Field 78, 79, 83 Hamilton North Field 78, 79, 83 Lennox Field 87, 89, 92 South Morecambe Field 113

Horda Platform 40 Horndean Field 986

data summary 940-1,964 location 929, 930 production history 929, 931,932 reservoir 41,937

HP-HT conditions 36, 41, 42 Hudson Field 11, 40 Hugin Formation, Middle Jurassic 38,

40-1 Birch Field 177 Drake Field 146 Mary Field 588-9, 592, 594, 598 North Brae 202 Toni Field 371

Huldra Field, Norway 26 Humber Group, Upper Jurassic 42

Beryl Field 157, 157, 163 Humbley Grove Field 987

data summary 940-1,965 location 929, 931 2 production history 929, 931 reservoir 8, 41,931-2, 932, 934-5

Hutton Field 26, 40, 987 Hutton-Ninian trend 37 Hutton North West Field 987 Hyde Field 30, 987

Iapetus Ocean 17, 25, Iceland hot-spot 21 Indefatigable Field 7-8, 7, 684, 701,

825-6, 987 data summary 747, 965 history 741-2 location 741, 742 reserves and production 746-7 reservoir 30, 745-6 source 746 stratigraphy 742-3 trap 743-5

Inner Moray Firth 21 Innes Field 32, 987 intraplate deformation 19-24

Inverclyde Group (formerly known as the Calciferous Sandstone Series)

Cousland Field 29 Midlothian (D'Arcy) Field 29 Milton of Balgonie Field 29

inversion 19 Cenozoic 28, 65 Late Carboniferous-Early Permian 22 see also Westray Inversion

Ivanhoe Field 12, 987 data summary 450, 965 history 443-4 location 443 reserves and production 444, 447,

448-50 reservoir 43

depositional environments and facies 445-7

flow unit zonation 447, 448 quality, geological controls on 447

stratigraphy 445, 446 structure 443, 444-5

Joanne Field 46, 48, 48 Johnston Field 29, 987

data summary 759, 965 development plan 757, 759 geology 750-1 geophysics 752, 753-755 history 749-50 hydrocarbon character 757 location 749 reserves 757 reservoir 755-7, 758 source 751 stratigraphy 750-1 structure 751-3

Judy Field 35, 987

Katrine Field 153 Keddington Field 915 Kelham Field 987 Kimmeridge Bay Field 28, 987

development and production 947-8

history 943-5 reservoir 41,945-6 source 946-7 structure, trap and seal 945, 946

Kimmeridge Clay Formation, Jurassic 5-6, 21, 24-6, 43, 46

Andrew Field 135 Arbroath Field 614 Arkwright Field 614 Auk Field 492 Balmoral Field 406 Banff Field 505 Beryl Field 164 Birch Field 171-3, 173, 177-8 Brent Field 245 Brimmond Field 559 Britannia Field 427 Captain Field 438 Central Brae Field 186, 188 Curlew Field 521 Cyrus Field 135 Dauntless Field 43 Don Field 260 Dunbar Field 268, 276-7, 279 Durward Field 43 East Brae Field 192, 194, 195-6

INDEX 1 O01

Ellon Field 270, 276-7, 279 Fergus Field 544 Fife Field 544 Flora Field 553 Forties Field 558 Fulmar Field 563-84 Glamis Field 400, 402, 406, 409 Grant Field 270, 276-7, 279 Harding Field 285, 287 Heather Field 295, 299-300, 299 Kingfisher Field 305, 308, 309-11,

313 Kittiwake Field 43 MacCulloch Field 461 Mary Field 598-9 Maureen Field 598-9 Moira Field 608 Montrose Field 614 Morag Field 598-9 Nelson Field 641 North Brae Field 200, 202, 208 North Cormorant Field 321, 322 Pierce Field 657 Scott Field 478 South Brae Field 212-15, 213-14,

220 Staffa Field 332 Stirling Field 406 Strathspey Field 365 T-Block Fields 371 Thistle Field 388-9, 390

Kimmeridge Sandstone Member, Upper Jurassic 43-4

Buzzard Field 44 Claymore Field 44 Kingfisher Field 44 Miller Field 44 Saltire Field 44 Tartan Field 44

Kingfisher Field 987 data summary 314, 966 history 305-6, 307 hydrocarbons 313 location 305 reserves 313 reservoir 44, 309-10, 311-12

Brae unit 1,311-12, 313 Brae unit 2, 306, 310, 311, 313 Heather 309-10

stratigraphy 307-8, 309-10 structure 306-7, 308-9 trap 306-7, 309, 311

Kinoulton Field 987 Kirby Misperton Field 27, 32 Kirkham Abbey Formation (formerly

known as the Middle Magnesian Limestone and equivalent to the Haumtdolomite), Permian

Kirby Misperton Field 32 Malton Field 32 Marishes Field 32

Kirklington Field 987 Kittiwake Field 43 Kopervik Formation, Cretaceous

Andrew Field 45, 133, 135 Blake Field 45 Brittania Field 45 Cromarty Field 45 Goldeneye Field 45 Hannay Field 45

Kopervik trend 14-15

Kupferscheifer (Marl Slate equivalent), Permian 32

Hewett Field 734 Johnston Field 749-50 Leman Field 763 Sean North, South and East Fields

830 KX Field 988 Kyle Field 46

Lancelot Field 727 Larch Field 43, 171, 177-8 Laurussia 17, 25 Leman Field 7-8, 7, 684, 988

data summary 770, 967 history 761, 763-4 hydrocarbons 769 location 761, 762-3 reserves 769-70 reservoir 30, 767-8, 769 source 768-9 stratigraphy 763, 764, 767 structure 761,764, 765-6 trap 767

Leman Sandstone Formation, Permian 23, 34-5

Amethyst Field 30 Baird Field 701,741-4 Barque Field 30, 663-9 Beaufort Field 30, 705-11 Bessemer Field 30, 705-11 Big Dotty 731,733, 736-9 Brown Field 30, 705-11 Bure Field 31 Caister Field 30 Camelot Field 30, 681-7 Cleeton Field 30 Clipper Field 30, 691-5 Corvette Field 30, 699, 701-4 Davy Field 30, 705-11 Dawn Field 731,733, 736-9 Deborah Field 731,733, 736-9 Delilah Field 731,733, 736-9 Della Field 731,733, 736-9 Gawain Field 30, 713-22 Guineveire Field 30, 723-7 Hyde Field 31 Indefatigable Field 31,741-3 Johnston Field 749-59 Leman Field 30, 761-7 Little Dotty Field 731,733, 736-9 Malory Field 31,771-5 Markham Field 31 Mercury Field 31,778-85 Neptune Field 31,778-85 Pickerill Field 31,799, 801-7 Ravenspurn North and South Fields 31 Rough Field 30-1 Sean North and South Fields 31,825-30 Thames Field 31 V-Fields 31,861-9 Victor Field 31 Viking Field 31,872-8 Waveney Field 31,881-90 Windermere Field 31,893-900 Yare Field 31

Lennox Field 5 988 data summary 95, 967 hydrocarbon volumes and development

plans 89, 92-5 history 87, 88-9

reservoir 35, 89, 90-2 source rock and hydrocarbon migration

92, 93 stratigraphy 87, 89 structure 87-8, 90 trap 88, 90

Lias Formation, Lower Jurassic 5-6, 38 Kimmeridge Bay Field 946 see also Bridport Sandstone

licensing, UK 6-8 Lidsey Field 936 Limestone Coal Group, Carboniferous

30 Linnhe Field 37, 40 Lista Formation, Palaeocene 46

Balmoral Field 400, 402 Banff Field 501,503 Fleming Field 142 MacCulloch Field 459 Maureen Field 594 Moira Field 604, 606 see also Balmoral Sandstone

Little Dotty Field 986 data summary 738, 963 history and discovery method 732-3 hydrocarbon source 737, 739 hydrocarbons 739 location 731-2 reserves and production 739 reservoir 34, 736-7 stratigraphy 734-5 structure 733-4 trap 735-6

Lockton Field 7 Lomer Field 988 Lomond Field 10, 48, 48 London-Brabant Massif 23, 34 Long Clawson Field 27, 988 Lothian Oil Shales, Carboniferous 29 Loyal Field 122 Lunde Formation, Triassic

Alwyn Field 37 Dunbar Field 276, 276

Lyell Field 26, 40

MacCulloch Field 12, 988 data summary 464, 967 history 453, 456-7 hydrocarbons 462-3 location 453, 454-7 reserves and production 463-4 reservoir 48, 458, 460-1,462-4 seismic character 461-2, 465-6 source and migration 461 stratigraphy 455, 458, 460 structure 453, 456, 458 trap 48, 460

Machar Field 46, 48, 48, 988 Magnus Field 44, 988 Malory Field 988

data summary 775-6, 967 history 771-2 hydrocarbons 775 location 771, 772 reserves and production 775 reservoir 30, 774 source 775 stratigraphy 772-3, structure 772 trap 773-4

Malton Field 27, 32

1002 INDEX

Mandal Formation, Netherlands Monan Field 48, 48, 989 Flora Field 553 Montrose Field 10, 989

mantle plume 19 see also doming; data summary 614, 968 Iceland hot-spot; North Sea Dome history 611-12

Mariner Field 48 location 611 Marishes Field 32 reserves and production 612-13, Markham Field 30, 988 615 Marnock Field 35, 988 reservoir 48, 612-4 Mary Field 988 source 614

data summary 601,967-8 stratigraphy 612 history 587-9, 591 structure 48, 612 location 587 trap 612 reserves and production 599-600 Montrose Formation, Palaeocene reservoir 598 Forties Field 558 source 598-9 see also Forties Sandstone Member stratigraphy 588, 592, 594 Morag Field 12, 988 structure 589-90, 592, 593 data summary 601,967-8 trap 593, 594 history 587-9, 591, 593

Maureen Field 12, 988 location 587 data summary 601,967-8 reserves and production 599-600 history 587-9, 591, 593 reservoir 597-8 location 587 source 598-9 reserves and production 599-600 stratigraphy 588, 592, 594 reservoir 48, 594-7 structure 589-92, 593 source 598-9 trap 594 stratigraphy 588, 592, 594 Morag Member, Permian structure 589-91,592 Morag Field 588-9, 591-4, 597-8 trap 594 Moray Firth Fields 42, 393-482

Maureen Formation, Palaeocene 46 Moray Group, Palaeocene see also Balder Armada development 139, 141-3, 145 Formation Banff Field 501,503 Morecambe Field 7, 12-13, 15 see also Maureen Field 587-92, 594-7 North Morecambe Field; South Moira Field 603-7 Morecambe Field

Mercia Mudstone Group 28 Mungo Field 48, 48, 989 Douglas Field 63-6, 69, 70 Murchison Field 40, 989 Hamilton Field 78-9, 81, 84 Murdoch Field 29, 33, 989 Hamilton North Field 78-9, 81, 84 data summary 798, 969 Lennox Field 87, 89, 91, 93 history 789, 791-2 North Morecambe Field 109-10, 1 1 0 , gas-in-place and reserves 797

112 gas-water contacts 797 South Morecambe Field 97, 97, 100, geophysics 793, 795, 796 see also Rossall Halite location 789, 790

Mercury Field 988 reservoir 791-2, 796-7 data summary 786-7, 968 structural development and history 777-8 stratigraphy 790-3, 794 location 777, 777 trap 791, 796 reserves and production 785-6 Murdoch Sandstone, Carboniferous reservoir 30, 780, 784-5 Boulton Field 671-6 source 785 Murdoch Field 791-7 stratigraphy 778, 779-80, 783 structure

local structure and trap 779, 780, 783 Namurian, Carboniferous regional 778, 779 Hatfield Moors Field 909

Mid North Sea High 23 Hatfield West Field 909 Midlothian (D'Arcy) Field 29 Saltfleetby Field 914 Miller Field 44, 988-9 West Firsby Field 925 Millom Field 35, 989 see also Oaks Rock Sandstone Millstone Grit, Carboniferous 5, 25, 27 Nansen Formation (now upper part

Trent Field 835-6, 838-46 of Banks Group), Lower Jurassic Milton of Balgonie Field 29 37-8 missed fields 12-13, 15 Alwyn Field 37 Moira Field 989 Brent Field 37

data summary 609, 968 Bruce Field 37 history 603-4, 607 Statfjord Field 37 location 603 Nelson Field 7, 10, 13, 15, 989 reserves and production 608, 609 data summary 645, 969 reservoir 48, 606-7, 608 history 47, 617-8, 620 source 608 location 617 stratigraphy 604, 605 regional setting 618, 619, 623 structure 48, 604, 605 reserves and production 620, 642, trap 606 644, 645

reservoir 48 Nelson Facies Model 633, 634-7,

638-9 quality, controls on 637, 639, 640

seismic reservoir characterisation and time lapse seismic 639-41,642-3

source rocks and migration 641-2, 644 stratigraphy 47

biostratigraphy and zonation of the Nelson reservoir 619, 623-4, 626

Lista Formation 624, 626, 629-30 Sele Formation of S1 Lower Forties

Unit 625, 626-7, 629-30 Sele Formation of $2 Upper Forties

Unit 624-5, 627-32, 634 trap 48, 618-9, 621-2

Neptune Field 989 data summary 786-7, 969 history 777-8 location 777, 777 reserves and production 786 reservoir 30, 780, 784-5 source 785 stratigraphy 778, 779-80 structure

local structure and trap 779, 780, 781-2

regional 778 Ness Field 40, 153 Ness Formation, Middle Jurassic 38-40 Nettleham Field 27, 990 Nevis Field 37, 40, 153, 990 Ninian Field 26, 40, 329, 990 North Atlantic Ocean opening 17, 21, 49 North Brae Field 177, 980

data summary 208-9, 953 geophysics 208 history 167, 199, 201-2 location 199, 200 reserves 208 reservoir 43 geology 200-1, 204-8 source 208 stratigraphy 201, 202, 203-5 structural history 202, 204 trap 208

North Cormorant Field 982 data summary 325, 970 history 315-8 location 315, 316 reserves and production 322, 324, 325 reservoir 35, 40, 322, 323 source 322 stratigraphy 318, 321 structure 317, 318-20 trap 321

North Kelstern Field 914 North Morecambe Field 989

data summary 105, 969 development plan 102 gas composition 102 geophysics 98-9 history 97 production profile 104 reservoir 35

layering 101, 102 model 100, 101-2 properties

depositional controls of 101, 102 diagenetic controls of 97, 101, 102

INDEX 1003

stratigraphy 98 structure and contacts 99, 101 test rates 104 well results 103-4 well targeting 102-3

North Sea Dome 41 North Valiant Field 993

data summary 870, 977 facilities 861-2, 869 geophysics 864-5, 867-8 history 861-3 location 861 reserves 869 reservoir 30, 867, 868-9 source 869 stratigraphy 863,864, 867, 867 structure 862, 863, 864, 865, 866 trap 862, 866, 868

Northern Permian Basin 8-9, 19, 23, 30

Nuggets Fields 49

Oaks Rock Sandstone, Carboniferous Hatfield Moors Field 905-9 Hatfield West Field 905-9

Oil Shale Group, Lower Carboniferous 5 Orcadian Basin 21, 25 Orion Field 48, 48 Ormskirk Sandstone Formation (Helsby

Sandstone and Sherwood Sandstone equivalent), Triassic

Douglas Oil Field 63-75 Hamilton Field 77-86 Hamilton North Field 77-86 Lennox Field 87-96 North Morecambe Field 97-105 South Morecambe Field 107-118

Orrin Formation, Lower Jurassic Beatrice Field 38

Oseberg Field, Norway 38 Osprey Field 40, 990 Otter Bank Sandstone, Triassic

Strathmore Field 37 Oxford Clay, Jurassic 5

Kimmeridge Bay Field 945

Palmers Wood Field 990 data summary 940-1,970 location 929, 930 production history 929, 931,932 reservoir 41,938

Pangaea 18 Pelican Field 35 Penguin Field 35 Pentland Formation, Middle Jurassic 40

Beryl Field 40 Bruce Field 40 Buckland Field 40 Curlew Field 521 Drake Field 145 Erskine Field 523-33 Hawkins Field 148 Heron Field 40 Linnhe Field 40 Nevis Field 40 Puffin field 40 Sherwater Field 40 see also Brora Coal Formation; Rattray

Volcanics Member Petronella Field 44, 990 Phoenix Development 872, 878-80, 990

Pickerill Field 990 data summary 808-9, 970 development and production 807 history 799, 801 location 799, 800-1 reservoir 30, 804, 806, 807, 808 source 807 stratigraphy 802-3, 804 structure 801-2, 803 trap 804, 805-6

Pierce Field 990 exploration and appraisal history 647,

649-50 geological summary 648-52, hydrocarbon charge 656, 657, 658 location 647, 648 reservoirs 46, 48, 652-5, 657 structure 48

Pine Field 43 Piper Field 12, 12, 43, 990 Piper Formation, Upper Jurassic 13

Chanter Field 43 Hamish Field 43, 443-7 Ivanhoe Field 43, 443-7 Piper Field 43 Renee Field 43 Rob Roy Field 43,443-7 Scott Field 43, 470, 470-8 Telford Field 43

play fairways, UK 43, 50 Carboniferous 25, 27, 29-30 Cretaceous 44-6, 44-5 Devonian 25 Jurassic 37-44 Palaeogene 46-50, 283 Permian 30-2 Pre-Devonian 25 Triassic 32-7

Plungar Field 990 Precambrian production 17 Puffin Field 35, 40, 990 Puffin Formation, Upper Jurassic

Erskine Field 523, 527-8, 529, 530, 533

Purbeck Limestone, Lower Cretaceous Albury Field 41,931, 937

Rannoch Formation, Middle Jurassic 38-40

Rattray Volcanics Member 19, 41 Ravenspurn North Field 30, 990 Ravenspurn South Field 30, 990 Rempstone Field 990 Renee Field 43 residual salt analysis 656, 657 Rhaetic, Triassic 38

Humbley Grove Field 932 Rheic Ocean 18, 21 Ribble Sands Member, Upper Jurassic

Fulmar Field 563-84 risk minimization 15 Rob Roy Field 12, 990-1

data summary 450, 971 history 443-4 location 443 reserves and production 444, 447, 448-50 reservoir 43

depositional environments and facies 445-7

flow unit zonation 447, 448 quality, geological controls on 447

stratigraphy 445, 446 structure 443, 444-5

Rogaland Group, Eocene Brimmond Field 559

Ross Field 990 Rossall Halite, Triassic

Douglas Field 65-6 Hamilton Field 81 Hamilton North Field 81 Lennox Field 90, 90 South Morecambe Field 98

Rot Halite Member, Triassic 34 Rotliegend Group, Permian 30-2

Auk Field 32, 486-95 Argyll Field 32 Camelot Field 681-7 facies 35 Innes Field 32 palaeogeography 23, 34 see also Leman Sandstone Member

Rottington Sandstone Member (Chester Pebble Beds equivalent) 63

Rough Field 30-1,684, 990 Rowan Sandstone Member, Upper

Jurassic Birch Field 168, 168, 172, 177

Rubie Field 12

salt movement 32, 42 salt withdrawal 31, 42 Saltfleetby Field 27, 991

data summary 918-19, 971 development and production 915, 918 location and history 911-13 reservoir 914-15, 916-17 seismic database 915 source 915 structure, trap and seal 912, 913-14, 915

Saltire Field 44, 991 Scampton Field 27, 914, 991 Scampton North Field 27, 991 Scapa Field 44, 991 Scapa Sandstone Member, Lower

Cretaceous 44 Schiehallion Field 14, 15, 49, 49, 121-2,

991 Schooner Field 991

data summary 823-4, 971 history 811-12 location 811 reserves and production 811, 822-3 reservoir 816-21 source 821 stratigraphy 812-13, 815-16 structure 812-15 trap 815, 816

Scott Field 7, 12, 13, 991 data summary 481,971 history 468,469-70 hydrocarbon composition and source

468-71, 473, 478-9 location 467-8, 469 reserves 471, 480, 48I

and production history 469, 479-81 reservoir 43

character 468, 475-6, 477-8 interval 468, 473-7

stratigraphy 470, 472 structural evolution 468-70, 471-2 trap 471, 472, 473

sea-level change, global see eustacy

1004 INDEX

Sean East Field 991 data summary 832-3, 972 history 825-6 location 825 reserves 830, 832 reservoir 829-30, 831 source 830, 832 stratigraphy 826, 828, 830 structure 826, 827-9 trap 828-9

Sean Fields 701 Sean North Field 991

data summary 832-3, 972 history 825-6 location 825 reserves 830, 832 reservoir 30, 829-30, 831 source 830, 832 stratigraphy 826, 828, 830 structure 826, 827-9 trap 828-9

Sean South Field 991 data summary 832-3, 972 history 825-6 location 825 reserves 830, 832 reservoir 30, 829-30, 831 source 830, 832 stratigraphy 826, 828, 830 structure 826, 827-9 trap 828-9

seasonal supply facility (peak shaver) 109, 832-3

secrecy of technical information 15 Sedgwick Field 991

data summary 230 history 223, 224-6 reserves and production 230 reservoir 48, 225, 227-30 source 230 stratigraphy 223, 225, 226-7 trap 48, 226, 227, 228

Sele Formation, Palaeocene Andrew Field 135 Arbroath Field 612 Arkwright Field 612 Forties Field 558 Harding Field 284 Montrose Field 612 Nelson Field 617-39 Pierce Field 649, 653 Blair/West Blair Fields West Brae Field 224-230 see also Forties Sandstone Member

Sgiath Formation, Upper Jurassic Scott Field 470, 470-8

Shearwater Field 35, 40, 42, 991 Sherwood Sandstone Group, Triassic

Dalton Field 35 Douglas Field 35, 63-66, 74 Hamilton Field 35, 78-80, 84 Hamilton North Field 35, 78-80, 84 Lennox Field 35, 87-8, 89, 93 Millom Field 35 Morecambe Field 13 North Morecambe Field 35, 97-8, 103 South Morecambe Field 35, 107-110,

111 Wareham Field 35 Wytch Farm Field 6 35 see also Ormskirk Sandstone Formation;

Silverpit Formation, Permian 23, 31, 34-5

Johnston Field 749-50 Neptune Field 778, 779-80, 784 Schooner Field 812, 815 Tyne Field 853, 854, 856 Windermere Field 893

Silverpit Lake 669, 721,727, 757, 863, 875, 899

Silver Pit Basin 811 Singleton Field 991

data summary 940-1,972 location 929, 930 production history 929, 931 reservoir 41,932, 936-7

Skaggerak Formation, Triassic 42 Egret Field 35 Elgin Field 35 Franklin Field 35 Gannet Fields 35 Heron field 35 Judy Field 35 Marnock Field 35 Puffin Field 35 Shearwater Field 35 Skua Field 35

Skiff Field 663 Skua Field 35, 991 Sleipner Formation, Middle Jurassic 38,

41 T-Block Field

Smith Bank Formation, Triassic 35, 43 Snorre Field, Norway 35, 38 Sola/Rodby Shale, Lower Cretaceous

Captain Field 433, 437 8 Solan Field 121,992 South Arne Field, Denmark 15 South Brae Field 980-1

data summary 221,954 geological history 213, 214-16 geophysics 213, 215 hydrocarbons 220 history 167, 212-13 location 211, 212 reserves 220 reservoir 43, 215-18 correlation 218-20 source rocks 220 stratigraphy 212, 213 trap 211, 214, 215

South Cormorant Field 35, 40, 982 South Leverton Field 992 South Morecambe Field 989

appraisal 109 data summary 117, 969 development 108, 109 geophysics l l0 11,112 history 108 petrophysical evaluation 114-16 reserves and production 117 reservoir 35, 113-14 source rocks 112-13 stratigraphy 107, 109-10 structural history 111-12

South Valiant Field 993 data summary 870, 977 geophysics 864-5, 867-8 facilities 861-2, 869 field history 861-3 location 861 reserves 869

reservoir 30, 867, 868-9 source 869 stratigraphy 863, 864, 867, 867 structure 862, 863, 864-6 trap 862, 866, 868

Southern North Sea Fields 31, 661-901 Southern Permian Basin 19, 23, 30 St Bees Sandstone Formation, Triassic

Douglas Field 63-65, 67 Hamilton Field 79, 81 Hamilton North Field 79, 81 Lennox Field 87, 89-90 North Morecambe Field 98, 98, 100,

101 2, 103 South Morecambe Field 109-10, 111,

112-13 Staffa Field 992

data summary 332-3, 97 development and production 332 location and history 327-30 reservoir 40, 330 2 source 332 structure, trap, seal and stratigraphy

328-9, 330 Stainton Field 27 Statfjord Field 12, 38, 39, 40, 992

data summary 351,973 depositional setting and reservoir

quality 342-3, 345, 347-9 geophysics 346 history 335-6, 337-9 lithostratigraphic and tectonic

framework 335, 338, 339-46 location 335, 336-8 reserves and production 337, 349-52 source 335, 349 structural setting and evolution 335-8,

339 trap 337-8, 346-7

Statfjord Formation (now lower part of Banks Group), Lower Jurassic

Alwyn Field 37, 37 Beryl Field 157-60 Brent Field 37, 233-45 Bruce Field 37 Dunbar Field 275-6 Statfjord Field 37, 335, 340, 341,342,

347 Stifling Field 992

exploration and development history 395, 400, 401

geophysics 401,405, 406 hydrocarbons 406 location 395, 396 production and reserves 412, 413

facilities and transportation 413 reservoir characterization 25, 409,

410 stratigraphy and regional setting 397,

401,402 trap and source 405

Stockbridge Field 992 data summary 940-1,974 location 929, 930 production history 929, 931 reservoir 41, 932, 937

Storrington Field 992 data summary 940-1,974 location 929, 930 production history 929, 931 reservoir 41,932, 935-6

INDEX 1005

Strathclyde Group (formerly known as the Calciferous Sandstone Series)

Cousland Field 29 Midlothian (D'Arcy) Field 29 Milton of Balgonie Field 29

Strathmore Field 33, 37, 121,992 Strathspey Field 40, 992

data summary 368, 973-4 discovery method 356-8, 359 field appraisal 355, 357 field development 355-6 history 355, 357 location 355, 356-8 reserves and production 365-7 source 365 stratigraphy 357, 359-61 trap 358, 362-5, 366

stratigraphic framework 20, 25-59 subsidence history, Atlantic Margin 24

T-block Fields 992 data summary 382, 974-5 geophysics 371,372, 373 history 167, 369 70 location 369 petroleum 374 production and reserves 378-9

oil in place 378, 380 production facilities and transportation

379-81 reservoir 43, 374, 375, 376, 377, 378,

380 source 371 stratigraphy 371 structural setting 370-1 trap 371 see also Toni Field; Thelma Field;

Tiffany Field Tarbert Formation, Middle Jurassic

38-40 Tartan Field 12, 44, 992 Tay Sandstone Member, Eocene

Gannet Fields 49 Guillemot Fields 49

tectonic framework 17-59 Telford Field 12, 43, 992 Tern Field 35, 40, 992 Tertiary Igneous Province 21 Thames Field 30, 684, 992 Thelma Field 992

data summary 975 Thelma SE Field 992

data summary 975 thermal effects, deformation caused

by 17 thermal subsidence 19

Carboniferous 25 Cretaceous-Cenozoic 21, 44, 46 Triassic-Early Jurassic 19, 37

Thistle Field 992 data summary 391-2, 975 field management 390-1 fluids 390 geophysics 385, 389 history 383, 385 location 383, 384 reserves 390, 391 reservoir 40, 389-90 stratigraphy 385, 388-9 structure 385, 386-7

Tiffany Field 992 data summary 974

Toni Field 992-3 data summary 974

Tot Formation, Upper Cretaceous Banff Field 497, 500, 501-4, 505-6 Fife Field 539-44 Nelson Field 641

Torksey Field 993 Tornquist Sea 17, 25, 33 Trent Field 29, 993

data summary 849, 975-6 development 836, 847, 849 geophysics 838, 839 history 835-8 reservoir 840-6, 847-8 source 846-7 stratigraphy 840, 841 structure 838-40 trap 840

Troll Field, Norway 26 Trumfleet Field 993 turbidite deposition 43-5, 49 Tyne North Field 29, 993

data summary 859, 976 field development 860 geophysics 852-3, 854-5 history 851,852 location 851 reservoir 856-60 source 860 stratigraphy 851-2 structure 852, 853-4 trap 854, 856

Tyne South Field 29, 993 data summary 859, 976 field development 860 geophysics 852-3, 854-5 history 851,852 location 851 reservoir 856-60 source 860 stratigraphy 851-2 structure 852, 853-4 trap 854, 856

Tyne West Field 29, 993 data summary 859, 976 field development 860 geophysics 852-3, 854-5 history 851,852 location 851 reservoir 856-60 source 860 stratigraphy 851-2 structure 852, 853-4 trap 854, 856

UK production profile 14, 14-15, 17, 19 Ula Field, Norway 15

V-Fields 684, 861-70 see North Valiant Field; South Valiant Field; Vanguard Field; Vulcan Field

Vaila Formation, Palaeocene Foinaven Field 49, 123, 124 Schiehallion Field 49

Valhall Formation, Lower Cretaceous 44 Captain Field 433 Claymore Field 44 Highlander Field 44 Petronella Field 44

Saltire Field 44 Scapa Field 44

Vanguard Field 993 data summary 870, 977 geophysics 864-5, 867-8 facilities 861-2, 869 history 861-3 location 861 reserves 869 reservoir 30, 867, 868-9 source 869 stratigraphy 863,864, 867, 867 structure 862, 863,864-6 trap 862, 866, 868

Varg Field, Norway 142 Variscan

deformation 27 Plate Cycle 18-19 Unconformity 27

velocity variations 10 Veselfrikk Field, Norway 26 Victor Field 7 993 Victory Field 45, 121,993 Viking Field 7 993

appraisal opportunities 871-4, 878

data summary 879-80, 977 geophysics 875 facilities 871-2, 878 history 872 initial gas-in-place (GIIP) and

reserves 878 location 871, 872 reserves 879 reservoir 30, 872-3, 875-8 stratigraphy 873, 874 structure 872-3 trap 873, 875

Viking Graben Fields 36, 39, 131 Viking Group see Heather Formation;

Draupne Formation Vulcan Field 993

data summary 870, 977 geophysics 864-5, 867-8 facilities 861-2, 869 Field history 861-3 location 86l reserves 869 reservoir 30, 867, 868-9 source 869 stratigraphy 863, 864, 867, 867 structure 862, 863, 864-6 trap 862, 866, 868

WAG development see drive mechanisms

Wareham Field 35, 38, 946 waste zone

Rotliegend 31, 34 Triassic 81, 90

water depth dogma 9-10 Waveney Field 30, 993

exploration and development concepts 882, 890-1

data summary 891,977 discovery method 883 geological history 883-5 geophysics 883-4, 885, 886 history 881-3 hydrocarbons 890 location 881

1006 INDEX

reservoir 886, 888, 889-90 source 888, 890 trap 882, 884, 885-6, 887

Weald and Wessex Basin Fields 36, 38, 41, 927-48

Weissliegend sandstone, Permian Barque Field 669 Beaufort Field 711 Bessemer Field 711 Brown Field 711 Clipper Field 695 Davy Field 711 Guinevere Field 727 Leman Field 767, 768 Pickerill Field 807 V-Fields 869 Viking Field 877, 878 Waveney Field 886

Well Trade Agreements 10 Welton Field 6 27, 914, 923, 993-4 Werraanhydrit, Permian

Davy Field 707, 708 Gawain Field 718, 720 V-Fields 866 Waveney Field 883

West Brae Field 25, 981 data summary 230, 954 history 223, 224-6 reserves and production 230 reservoir 49, 225, 227-30 source 230 stratigraphy 223, 225, 226-7 trap 48, 226, 227, 228

West Firsby Oil Field 27, 994 exploration and development concepts

923-4, 925-6 location and history 921, 922 3, 924 reservoir 923-4, 925 source 925 stratigraphy 922-4, 925 structure 921-2, 923-4 trap 921, 923, 924-5

West Sole Field 7, 7,663, 684, 694, 994 Westphalian A/B, Carboniferous

Beaufort Field 711 Bessemer Field 711 Big Dotty Field 739 Boulton Field 671-80 Brown Field 711 Davy Field 711 Dawn Field 739 Deborah Field 739 Delilah Field 739 Della Field 739 Gawain Field 722 Hatfield Moors Field 908 Hatfield West Field 908 Hewett Field 739 Leman Field 768-9 Little Dotty Field 739 Malory Field 775 Mercury Field 785 Murdoch Field 792, 797 Neptune Field 785 Pickerill Field 807 Saltfleetby Field 915 Schooner Field 821 Sean North, South and East

Fields 830 Trent Field 846 Tyne Field 852, 853, 860 West Firsby Field 922, 923, Windermere Field 900 see also Conybeare Group; Murdoch

Sandstone Westphalian C/D, Carboniferous

Boulton Field 671-80 Saltfleetby Field 914 Tyne Field 851-60 see also Barren Red Measures

Westray Inversion 123-4, 124 Whisby Field 994 Wick Formation, Lower Cretaceous

Captain Field 45

Widmerpool Gulf 22, 25 Windermere Field 994

data summary 900-1,977 development 893, 896, 900 history 893-5, 896 location 893 reservoir 30, 897-8, 899-900 source 900 stratigraphy 894, 896-9 structure 894, 895-6 trap 896-7, 899

Wytch Farm Field 6 7, 28, 35, 38, 41, 946, 994

Yare Field 30, 994 Yoredale Series, Carboniferous 5

Zechstein Group, Permian 7 32 Auk Field 32, 486, 488, 489-92 Argyll Field 32 Baird Field 743, 743 Barque Field 667 Bessemer Field 707 Beaufort Field 707 Camelot Field 681-5 Clipper Field 692, 693-4 Corvette Field 704 Excalibur Field 727 Guinevere Field 725-6 Hewett Field 31, 731-3 Indefatigable Field 743, 743 Lancelot Field 727 Malory Field 773 Mercury Field 778, 779 Pickerill Field 804 seal 32 Viking Field 873, 877 see also Kupferscheifer;

Werraanhydrit; Zechsteinkalk Member

Zechsteinkalk Member, Permian Hewett Field 735, 736, 738