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CAMPBELL COUNTY COAL BED METHANE MONITOR WELL PROGRAM

Prepared ByRaymond P. Murphy and Richard G. Stockdale

Wyoming State Engineer's OfficeFor

The Wyoming Water Development Commission

March, 2000

TABLE OF CONTENTSPage

SECTION

1) Introduction 1

2) Geologyr 2

3) Aquifers ) 2

4) Drill Site Locations 4

5) Drilling Program 5

6) Monitor Well Instrumentation 7

7) Conclusions and Recommendations 10

BIBLIOGRAPHy 11

FIGURES1) Relation of Stratigraphic Units to Hydrogeologic Units 32) Well Head Valve Configuration, Fort Union Wells 9

TABLE1) Monitor Well Completion Information 6

APPENDICES 12

Appendix A: Period of Record Water Level Hydrographs 13

Appendix B: Statements of Completion for Wyodak Coal Wells 25

Appendix C: General Location Map 34

REPORT OF CAMPBELL COUNTY COAL BED METHANE

MONITOR WELL PROGRAM

Raymond P. Murphy and Richard G. Stockdale

WYOMING STATE ENGINEER'S OFFICE

March, 2000

INTRODUCTION

The Wyoming State Engineer's Office (WSEO) Campbell County Coal

Bed· Methane Monitor Well Program was initiated in 1998, through an

appropriation of $300,000 from the Fifty-Eighth Legislature. The appropriation

was made a part of the Wyoming Water Development Commission (WWDC)

House Enrolled Act 55. A Memorandum of Agreement (MOA) between the

WWDC and the WSEO provides for a program to be conducted by the WSEO

which addresses monitoring of ground water withdrawals due to Coal Bed

Methane (CBM) production from the Wyodak coal. Data obtained from this

program will be utilized to assess the effects such withdrawals produce on

ground water contained in the Wyodak coal and the overlying Wasatch

Formation in Campbell County, Wyoming. To fulfill the goals of the program,

the WSEO was authorized to drill, complete and monitor test wells and collect

geologic and hydrologic data in the Wyodak coal and Wasatch Formation. The

WSEO is required to provide a draft report to the WWDC once drilling and

installation of monitor equipment is completed covering all work elements of

the program. A final report to the WWDC with the WSEO's conclusions and

recommendations is to be submitted by June 1,2000.

GEOLOGYThe Wyodak coal seam represents the uppermost sub-unit of the Fort

Union Formation (Figure 1). The Fort Union Formation is approximately 2,500

feet thick and is composed of interbedded sandstones, siltstones, shales,

claystones and coals. It dates from the Paleocene epoch of the Tertiary period,

dips to the west and outcrops to the east of the coal mining operations in

Campbell County. The Formation has been divided into three members: Tongue

River, Lebo and Tullock (in descending order).

The Tongue River member contains the Wyodak coal seam, a 40 to 70

feet thick low-sulfur sub-bituminous coal. The Wyodak coal seam splits into

the Upper Wyodak seam and the Lower Wyodak seam north of Gillette. South

of Gillette the Wyodak coal seam separates into the Anderson and Canyon coal

seams. Coal bed methane operators have completed CBM wells in both coal

seams throughout the area. Methane contained in the coal seams is present in a

free state, adsorbed on interior pore surfaces and micropores of the coal matrix,

and dissolved in water contained within the seams. Reducing the hydrostatic

pressure in the coal seams by pumping the water enhances the release and

production of methane trapped in the coal matrix, as well as gas dissolved in the

water.

The Wasatch Formation overlays the Fort Union Formation and is

composed ofinterbedded sandstones, siltstones, shales and conglomerate lenses,

and also contains many coal beds throughout the Formation (Figure 1). It dates

from the Eocene epoch of the Tertiary period. The Formation increases in

thickness to over 1,000 feet in central portions ofthe Basin.

AQillFERSThe importance of the Wyodak coal seam as an aquifer within the Fort

Union Formation is very limited. It has been estimated that there are 60

2

uaternary

Stratigraphic Unit

Alluvium

Hydrogeologic Unit

Wasatch aquifer

(J Eo- Wasatch Formation0 cene

Continin unitN>-0"- Wyodak Wyodak coalc c:s

aquiferCD coal bed() "- CD C C --- Confining unitCD

C 0 0 Tongue River~ CD c Member(J ::::> ca Tongue River-o ECD

"- "- Lebo Member Lebo aquiferca 0 0

a. u.. u..

Tullock Member Tullock aquifer

en Lance Formation Lance-Fox(J =:J0 "-0CD CD Hills aquiferN

0 (J Co Fox Hills Sandstoneen ca Co(D

(D ::::>~ "-

Pierre Shale Confining unit()

FIGURE I -- Relation of s1ra1igraphic uni1s10 hydrogeologic uni1s.

Source: Coal Bed Methane Environmental Assessment,Eastern Campbell and Western Johnson Counties,Wyoming. March 1990, U.S.D.I., Bureau of LandManagement. Page 46

3

permitted water wells completed in the Wyodak coal seam in Campbell County,

most of which are used for stock watering. Typically, domestic or other

miscellaneous use water wells are not completed in the coal seam. This is due to

the presence of methane gas that is produced with the water and the potential

hazards associated with gas in plumbing and water heaters. TheWyodak coal is

dewatered prior to mining along the coal mine working face to aid in coal

extraction. Water well depths in the Fort Union Formation range from a few

hundred feet to 2,500 feet. Water quality is generally good with total dissolved

solids (TDS) ranging from 1,000 to 2,000 milligrams per liter (USGS, 1974).

The Wasatch Formation overlays the Wyodak coal seam in this region

and is an important aquifer for the water users in Campbell County. There are

numerous stock and domestic water wells completed in the Wasatch Formation

ranging in depth from 100 feet to as deep as 1,000 feet. Some water wells

located along the Powder River have artesian water flow at the land surface of

up to ten gallons per minute. The water quality of the Wasatch Formation is

generally poor, TDS ranging from 227 to 8,200 milligrams per liter (USGS,

1986). Some Wasatch water wells also produce methane gas.

DRILL SITE LOCATIONSDrilling locations for the monitor wells (Appendix C) were selected based

on CBM operators anticipated direction of CBM development. It was the intent

of the WSEO to locate the monitor wells in front of the CBM development in

order to collect pre-development baseline data on water level conditions. As the

CBM development advances from east to west and deeper into the basin,

monitor wells located by the WSEO could monitor the ground water drawdowns

in the aquifers and coal seams as the development approached and ultimately

passed through the monitored area. It was envisioned that the data collected

4

would provide the WSEO with good baseline ground water conditions before,

during and after CBM development.

The monitor well locations were selected west of the existing CBM area

of operation, knowing that CBM development would most likely progress in a

westerly direction. State lands were sought for each well site to avoid the added

cost and time necessary to acquire access agreements on private lands and

payment of surface damages. All access agreements were obtained from the

Wyoming Farm Loan Board and were for a term of20 years.

DRILLING PROGRAMAdvertising for bids from drilling contractors began in June of 1998 with

the bid opening on July 27, 1998. The WSEO received only one bid. The

single bid was from Ruby Drilling Company of Gillette Wyoming. Ruby's bid

was accepted on September 16, 1998, and the first monitor well was spud on

September 23, 1998.

Two monitor wells were drilled at each location except at the CBM Mon

6 location where a single Wyodak coal well was drilled. The Wyodak coal

seam well was the first well drilled at each location because it was the deepest

well and would provide the needed data to determine the depth of the lowermost

sands of the Wasatch Formation, which were the target sands for the second

monitor well at each site. Table 1 is a list, in drilling order, of all the monitor

wells drilled with their well name, location, formation completed, depth, static

water levels upon completion and spud dates.

All wells were drilled with a 7-7/8" bit and cased with 5-~" prime used

steel casing. The coal wells were drilled into the upper two to four feet of the

Wyodak coal seam, then casing was set to the top ofthe coal zone and cemented

to the land surface to isolate the shallower aquifers. Due to the inability of the

coal to support the weight of cement, circulation of cement back to the land

5

Table 1

Monitor Well Completion Information

'MSell ....T ........ ..) "'l, .c·" ····'v: ...•T:'! ~..•. )'ri ..oL~c~__:\v 1?~W1v~t;) Spll~Da.!~.)..... --~·))t)... ) ...,,- V·'"";-"'.l.v --t ........ ..> .&. ~=-"~;t 7"t.......... ...............•.... ..... .....)... ................ ·.· ......· .. t···.·... ) ..)... ............... ..... ·V) ...... -C/V ))'\.- .....

CBMMON-4 NWSW 16-47-73 Wyodak 1,219 394 9/23/98

CBMMON-4W NWSW 16-47-73 Wasatch 910 357 9/29/98

CBMMON-2 SWSW 3-49-73 Wyodak 905 319 10/6/98

CBMMON-2W SWSW 3-49-73 Wasatch 750 290 10/12/98

CBMMON-3 SWNW 36-48-73 Wyodak 905 403 10/19/98

CBMMON-3W SWNW 36-48-73 Wasatch 700 277 10/23/98

CBMMON-l SESE 36-49-74 Wyodak 1,234 406 10/27/98

CBMMON-6 NESE 36-45-74 Wyodak 1,220 239 11/18/98

CBMMON-1W SESE 36-49-74 Wasatch 1,100 499 6/14/99

*CBMMON-5 SWSW 12-46-74 Wyodak 1,488 531 9/21/99

*CBMMON-5W SWSW 12-46-74 Wasatch 1,305 508 9/23/99

* Wells drilled by Barrett Resources Corp., for the BLM and instrumented and maintained by SEQ staff withfunds under this appropriation.

6

surface was difficult. A two stage cementing schedule was used to aid in the

cementing effort. The first stage spotted twenty-five to fifty sacks of class"G"

cement at the bottom of the hole, then an Acoustic Bond Log (ABL) was run to

locate the top of the cement. Once the cement top was located, one hole was

shot in the casing just above the cement to provide a path for the second stage

cement to exit the casing and enter the annular space between the well bore and

the casing. Cement was then pumped through the single perforation into the

annular space and circulated back to the land surface. This cementing method

proved to be successful because it sealed over the fractures in the coal,

providing a solid base for the second stage cement.

A 4-%" drill bit was then run into the casing to drill out the approximate

fifty feet of Wyodak coal for an open-hole completion. The completed monitor

well was then logged with a Gamma-ray Log and another ABL to confirm the

placement of the cement and to locate sand bodies within the Wasatch

formation for the drilling of the second of the paired wells.

Wasatch wells were drilled to approximately 10 feet below the lowest

sand above the Wyodak coal. Torch-perforated 5-'l2" steel casing was installed

in each well adjacent to the targeted sands. The perforated casing interval was

gravel packed to twenty feet above the sands, four bags of bentonite chips were

then added from the surface. A bentonite slurry was pumped down the annular

space over the chips until the slurry returned to the land surface. Neat cement

was utilized to fill the annular space where the cement or bentonite slurry had

settled a few feet back down into the well bore. Upon completion, all of the

monitor wells were developed utilizing air lift methods.

MONITOR WELL INSTRUMENTATIONEach monitor well is equipped with continuous water level monitoring

equipment to record water level changes. Special well heads were fabricated

7

for all of the Wyodak monitor wells to control the flow of gas at the surface and

to allow the transducer cables to exit the well heads in a sealed environment to

the data logger (See Fig 2.). The Wyodak coal seam wells are equipped with

Stevens AX two channel digital data loggers. The AX logger has two inputs:

one to record the water level in the coal seam and the other to record gas

pressure build-up at the wellhead. Gas pressure measured in the wellhead is

subtracted from the pressure of the transducer in the water to obtain an accurate

static water level in the coal seam. Air lines were also installed with the

transducers and were located near the bottom of the well bores and were used to

calibrate the transducers. The top of each wellhead has a 3" ball valve to allow

for venting of gas pressure in case additional work needs to be done on the well.

Venting the gas would allow water to return into the casing and would stop the

flow of gas.

All of the Wasatch Formation monitor wells are equipped with Stevens

GS-98 digital data loggers with a float and weight configuration and shaft

encoder. The shaft encoder converts the physical movements of the float riding

on the static water level into a digital input to the logger.

Both logger types utilized in this project have an E-prom card which

stores the water level data and allows for quick access to that data (See

Appendix A for Period of Record Hydrographs). Processing of the water level

data is accomplished by WSEO personnel. It Should be noted that the water

level declines shown on the hydrographs in Appendix A during May, 1999 are

the results of pumping the wells to obtain water samples for age dating and

chemical analysis. The hydrograph for the CBM Mon-3 well shows a decline

due to nearby CBM production. It is anticipated that other hydrographs will

exhibit substantial declines as CBM production occurs near the coal monitor

wells.

8

Fi aure 2b

Well Head Valve Configuration

Fort Union Wells

.. Airline exit

(' CompressionNuts

Water transducerexit

r 3" Ball VaLve

~94" Y with

2"Arm

5 1/2" to 4"-_

Swedge

(' Cas transducer exit(External Mount)

9

CONCLUSIONS and RECOMMENDATIONSThe period of record for the water level hydrographs obtained from the

monitor wells under this program is too short to provide any definitive answer

regarding vertical hydrologic communication between theWyodak Coal and the

Wasatch Formation. The geologic information obtained during the drilling of

the monitor wells supplements and broadens the available geologic data.

While not part of this particular program, water samples obtained from

the monitor wells drilled under this program will be utilized for age dating of

the water and also chemical analysis of the water. Continued assessment of the

hydrographs obtained under this program will provide valuable data in

determining the effect of ground water withdrawals due to CBM production

within the Wyodak coal and the overlying Wasatch Formation. Data collected

under this program will also supplement data collected by the CBM industry

and federal agencies.

It is recommended that additional monitoring wells should be

incorporated into a monitor well network of sufficient magnitude to observe

ground water levels throughout the area of CBM development. Such a network

could be funded by government agencies, CBM operators, special interest

groups, research programs, etc. It should be recognized that such a program is

costly and must provide a long-term source of funding to operate and maintain

the monitor wells and evaluate the data collected from such a network. Some

additional funding provision to operate and maintain the monitor wells drilled

under this program may be necessary if the State Engineer's standard budget for

such activities proves inadequate.

10

BmLIOGRAPHY

USDI, USGS. 1974. Shallow Ground Water in Selected Areas in the Fort UnionCoal Region. Open-file report 74-371. Prepared by the Ground-Water Subgroupof Water Work Group, Northern Great Plains Resource Program.

USDI, USGS. 1986. Hydrology of Area 50, Northern Great Plains and RockyMountain Coal Provinces, Wyoming and Montana. Water-resourcesinvestigations open-file report 85-545. Prepared by Martin E. Lowry, James F.WilsoI?-, and other. Cheyenne, WY.

U.S.D.I., Bureau of Land Management, Buffalo Field Office. November 1999.Record of Decision for the Environmental Impact Statement on the WyodakCoal Bed Methane Project, Campbell, converse, Johnson and SheridanCounties, Wyoming.

11

APPENDICES

12

APPENDIX A

13

49-74-36ddcOlCampbell County

Prepared By"WOMING STATE ENGINEER'S OFFICE

GROt IND 'MATER DIVISION

44102110541 1701

450.

Wa 500.ter

LeveI

600...... B~ e

I0

w

Land 700.

Surface

F 800.t

825.

l-

I-

l-

I- f'"I-- .--c---l-

I-

l-

I-

l-

I--

l- .l-

I-

I-

- ..I-

-

-~--

l-

I-

----_.--I--

,

l-

I-- I I I ...L I I I I I I I I I I I I .1

1998 1999

CBM-MON-l

Legend: Recorded Data ---

19992000

Missing Daily Value - -- - -- - --

Prepared By\;v'lOMING STATE ENGINEER'S OFFICE

GROUND WATER DIVISION

49-74-36ddc02Campbell County

4410211 Q541 1702

JulJunMayAprMarFeb

__L -'-- ~ •__--"- --'- _

...............-...~.......~......... _.--..-......

Jan

19992000

DecNovOctSep

~~

V

/---- o _0. L.....•__

450.

Water

LeVeI

t-lU1 B

eI0 500.w

Land

Surface

Ft

550. -----~-

Jul Aug

Legend: Recorded Data-- Corrected Data· .

CBM-MON-IW

325.

W 330.ater 335.

Lev 340.

eI

345.~ B~ e

I0 350.w

Land

surface

Ft

355.

360.

365.

370.

49-73-03cbdO 1

Prepared ByVJYOMING STATE ENGINEER'S OFFICF

(H~OUND WATER OIVISIONCampbell County

4414591.95373801

375.

1998 1999

-_L--_L---i.__l.-._..L....-_-L-__L.-.-1. ~__-L-_-.J

19992000

CBM-MON-2


49-73-03cbd02

El"'~

Frcpared By\MYOMING STATE ENGINEER'S OFFICE

GROUND 'WATER OIVISION

Campbell County441458105373802

I,,III,I,,,IIIIIIIIIIII

-1 l .1 .L1_----I -'--_--L__---J

19992000

CBM-MON-2W

Legend: Recorded Data ------

Hand Measurement 0

Missing Daily Value· . - .. _.. -

48-73-36bcaO1Campbell County

Frepared ByViYOMING STATE ENGINEER'S OFFICB

GROUND 'WATER DIVISION

440546105345801

350.

Wa 400.ter

LeveI 500.

BeI0

w

Lan 600.

d

Surface 700.

Ft

750.

1998 1999

CBM-MON-3


19992000

48-73-36bca02Campbell County

Prepared By\VYOMING STATE ENGINEER'S OFFICE

(,ROUND WATER DIVISION

440546105345802

L_.-.J ~_---l- L.----l l__-,-_--L.-_

200.

Water

LeveI

f--l B\0 e

I0 250.w

Land

Surface

Ft

300.

"

"

I.III.III,II,,

I..~

--'--__L

1998 1999

CBM-MON-3W


Corrected Data' ,

19992000

Missing Daily Value' ... -- . - .

Hand Measurement 0

47-73-16cbaO 1

400.

Water

LeveI

BeI0

w

Land 500.

Surface

Ft

550. - _.-----L

1998 1999

CBM-MON-4

------'-_--1__ l__L

Campbell County


Prepared By\jVY01VlING STATE ENGINEER'S OFFICF

GROUND WATER OIVISION

440260105386001

19992000

47-73-16cba02

350.

W 355.ater 360.

Le 8· ..

···················_ .... 8v 365.

eI

370.I\J B~ e

I0 375.w

La 380.

nd

S385.

urf 390.ace

395.

Ft

400. _1_- ___..L__L

1998 1999

Fre.t3afcd By-"¥'YOMING STATE ENGINEER'S OFFICE

GROUND WATER OIVJ.SIONCampbell County

4402531Q5j84102

....,

'/ 8--

\ · · 0

.

19992000

CBM-MON-4W

Legend: Recorded Data --

Hand Measurement 0

Missing Daily Value - - - - - - .. -

530.

Water

LeveI

l\.)l\.) B

eI0

w

Land

Surface

Ft

535.

46-74-12cccO 1

-

-

Frepared ByvVYOMING STATE ENGINEER'S OFFICE

GROUND VJATER DIVISIONCampbell County

43581610.5422701

-----•.-------- -----1____ _.__._-L..... ---' -L- ~

Sep Oct Nov Dec Jan

19992000

Feb Mar Apr May Jun Jul

CBM-MON-S


46-74-12ccc02Campbell County

Prepared ByVNOMfNG STATE ENGINEER'S OFFICE

GROUND WATER DIVISION

435816105422702

500.

Water

LeveI

N BLV e

I0

w

Land

Surface

Ft

510. ---Sep Oct Nov Dec Jan

19992000

Feb Mar Apr May Jun Jul

CBM-MON-5W


45-74-36dacCampbell County

Prepared By~;YYOMING STATE ENGINEER'S OFFICE

GROUND WATER nIVISION

434943105412001

235.f-

~

r-

W '--

-a f-

t ~

e r-

r f-

r-1---

L ~

e f-

Vr-r-

e f-

I r-1--

B r-r-

e ~

I r-

0 1-.

W r-t----

La,n I-

d f--

,--

S f---

u~

r f-

f r-

a f-

0r-

-e -

-

F -

tf-

700. -..1__1______1-.

1998 1999


CBM-MON-6

19992000

APPENDIX B

25

FORMU.W.6Rev. 9·98

STATE OF WYOMINGOFFICE OF THE STATE ENGINEER

HERSCHLER BUILDINGCHEYENNE, WYOMING 82002

(307) 777-5959

STATEMENT OF COMPLETION AND DESCRIPTION OF WELL OR SPRING

COpy NOTE: Do not lold this Jorm. Use typewriteror prinl neatly with black ink.

PERMIT NO. U.W. ----",1..;::..;11::..::;5...:;..9.:;..1 NAME OF WEll (SPRING)

1. NAME OF OWNER WYOMING STATE ENGINEER'S OFFICE

CBM MON-1

2. ADDRESS HERSCHLER BUILDING 4-EPlease check if address has changed from thaI shown on permit. 0

City CHEYENNE State WYOMING Zip COQe 82002 Phone No. --:..7...:..7.:...7-.....:6::..:1:....:6:.,:1'--- _

3. USE OF WATER: Domestic 0 Stock Watering 0 Irrigation 0 MunicipalO Industrial 0 Miscellaneous 000 Monitor or Test Explain proposed use (Example: One single family dwelling) _

COAL BED METHANE GROUND WATER OBSERVATION WEI,L.

4. LOCATION OF WELL (SPRING): 2JL ~~ ~ of Section~ • T. itL N., R. ..J...!L W.• of the 6th P.M. (or W.R.M.),

Subdivision Name Lot Block _

If surveyed, bearing. distance and reference point:

5. TYPE OF CONSTRUCTION: Drilled£] ~R~O"""TAu.!R~Y~R~I~G Dug 0 Driven 0 Othero(Type of Rig)

Describe:· _

6. CONSTRUCTION: Total Depth of Well/Spring 1234 ft.

Depth to Static Water Level 406 ft. (Below land surface)

a. Diameter of borehole (Bit size) 7 7/8 inches.

b. Casing Schedule New 0 Used [Xl PRIME

-.2L diameter from 0 ft. to~ ft. Material _--::;.ST.:;;E;::.;E;::.;L::...- Gage 15. sondiameter from ft. to ft. Material Gage _

c. Was casing cemented: YeslXl NoD Cemented Interval. From __--=0 feet to 1185 feet.

d. Number of sacks of cement used 325 type of cement CEMENTIBENTONITE MIX

e. Perforations: Type of perforator used _.....;O::..;;P;...;:;E=N"--""H'-"'O=L=E _Size of perforations inches by inches.

Number of perforations and depths where perforated:4 perforations from 978 ft. to 980 feet.

____ perforations from ft. to feet.

LINERf. Was we1l1Of58l't installed? YesKJ No 0

Diameter: 4 II slot size: --J!"",X:.,>6,-" _Diameter: slot size: _

g. Was well gravel packed? YesO No lXJ Size of gravel --.......".c;...:'r

h. Was Siurface casing used: Yes 0 No IX] Was it cemented in place? Yes 0

7. NAME &ADDRESS OF DRILLING COMPANY RUBY DRILLING CO. GILLETTE WYOMING

8. DATE OF COMPLETION OF WELL (including pump installation) OR SPRING (first used) NOVEMBER 17. 1998

9. PUMP INFORMATION: Manufacturer NONE Type _Source of power Horsepower Depth of Pump Setting or intake _Amount of Water Being Pumped 0 Gallons Per Minute. (For Springs or flowing wells, see item 10.)Total Volumetric Gallons Used Per Calendar Year. _

10. FLOWING WELL (Owner is responsible for control of flowing well).If well yields artesian flow, yield is gaL/min. Surface pressure is __ Ib.lsq. inch, or feet of water.The flow is controlled by: valve 0 cap 0 plug 0Does well leak around casing? Yes 0 No 0

Permit No. U.W. _...::.1-=-1.::..;15:..;9~1=__ _

26SEE REVERSE SIDE

Book No. --=.8::..50=--__ Page No. __9::.,.:2=--_

NoD

11. If spring, how was it constructed? (Some method of artificial diversion, i.e., spring box, cribbing, etc., is necessary toqualify for a water right.) _

12. PUMP TEST: Was a pump test made? Yes IXJIf so, by whom RUBY DRILLING Address _G;:.;I::.:L::.::L:;.::E'-.:;T.:.T.::.E_WY:..:....:...;.'--- _Yield: 1 .5 gal./min. with UNK fool drawdown after _--'3"---_ hours.Yield: gal./min. with foot drawdown after hours.

13. LOG OF WELL: Total depth drilled 1263 feet.Depth of completed welf 1263 feet. Diameter of well 7 7/8 inches.Depth to first water bearing formation 178 feet.Depth to principal water bearing formation. Top 1160 feet to Bottom 1210 feet.

Ground Elevation, if known _

DRILL .cUTTINGS DESCRIPTION: SEE COPY OF E-LOG FILED.

From To Material Remarks Indicate Water Bearing Indicate PerforatedFeet Feet Type, Texture Color (Cementing, Shutoff) Formation & Name Casing Location

0 130 GRY SHL n130 170 GRY SS170 178 GRY CLY178 240 GRY SS WATER240 400 GRY SHLY SS400 524 GRY SNDY SHL524 550 COAL550 742 SHLY GRY SS742 900 GRY SNDY SHL WATER900 <H8 COAL918 1150 SNDY GRY SHL

1150 1160 BLK SHL CEMENT/BENTONITF.1160 1210 COAL WATER1210 1261 r.RY l=;NDY l=;HL

'.

14. QUALITY OF WATER INFORMATION:Does a chemical and/or bacteriological water quality analysis accompany this form? Yes 0 No 0It is recommended that chemical and bacteriologic water quality analyses be performed and that the report(s) be filedwith the records of this well. (Contact Department of Agriculture, Analytical Lab Services, Laramie, 742-2984.)If not, do you consider the water as: Good 0 Acceptable 0 Poor 0 Unusable 0

REMARKS: __..=.T.!!H.:!..I~S~IS!o!....T<!..!H.!..!E"--.loQ~N~L!..!Yo__.!:!W.!o!E:!o!LJ.!.L_'D!o!.!R~I!...!L.uL.uEoIJoDI......(;AuT.......a.T..uH....Iw.S.....LI.tlQoLlCodA],JTuI,J"QwNL....QA.u.ND/L....I.&..IS~C.o.Qa;.Mu;.P .....L~E.....T.w.EDLL-I~NJ......ITuHuE'-- _WYODAK COAL.

Under penalties of perjury, I declare that I have examined this form and to the best of my knowledge and belief it istrue. co lete.

FOR STATE ENGINEER'S USE ONLY

Date of Receipt _-=A:::.P~R.:.:I:.=L:......=2;.:::9 , 19 --..2.L

Date of Priority __.:.:A.::.UG.::.U.=..S:.:.T.=......:2=-7:....- . 19-..2L

Date of Approval , 19 __

for State Engineer

FORMU.W.6Rev. 9·98


HERSCHLER BUILDINGCHEYENNE. WYOMING 82002

(307) 7n-5959


COpy NOTE: Do nol lold Ihis 'form. Use typewriteror print neatly with black ink.

PERMIT NO. U.W. --=..1..:;..:11;:.;:.5..:..9=-2 NAME OF WELL (SPRING) -=CB=M;...;M:..:..:O=Ne..--2=-- _

1. NAME OF OWNER WYOMING STATE ENGINEER I S OFFICE

2. ADDRESS ~H~ER~S~C~H~L!.!=!Ell.R~~ALA.I>.u.z....;:L...l"'__ ___._------------

City CHEYENNEPlease check if address has changed from that shown on permit.

State WYOMING Zip Code -,,8=2~0.x.02==-- Phone No. 77 7-6161

3. USE OF WATER: Domestic 0 Stock Watering 0 Irrigation 0 MunicipalD Industrial 0 Miscellaneous 0[) Monitor or Test Explain proposed use (Example: One single family dwelling) _

COAL BED METHANE GROUND WATER OBSERVATION WEI,l,

4. LOCATION OF WELL (SPRING):~ tA ...IDL tA of Section --1..-, T.!t.2.-- N., R. J.3.. W.• of the 6th P.M. (or W.R.M.),


If surveyed. bearing. distance and reference point:

5. TYPE OF CONSTRUCTION: Drilled[] ......B.....O......Tu::A....,Bu.y---U.R.....TG~ Dug 0 Driven 0 Othero(Type of Rig)

Describe: _. _

STEEl Gage ] S SOU

Gage

0 feet to 845 feet.




b. Casing Schedule New 0 Used [] PRIME

--lL diameter from 0 ft. to~ ft. Material __................. _

diameter from ft. to ft. Material _

c. Was casing cemented: Yesl]l NoD Cemented Interval, From

d. Number of sacks of cement used UNK type of cement CEMENT I BENTONITE MIX

e. Perforations: Type of perforator used -.:::.O.:..P,:EN:.:.....;H:.:.;O::.;:L:,:E=-- _Size of perforations inches by inches.

Number of perforations and depths where perforated:____ perforations from ft. to feet.____ perforations from ft. to feet.

LINER·f. Was welbsc.m:eocinstalled? YeslXl No 0

Diameter: 4II slot size: lx6II set from 845 feet to _ .........:<-.--'\

Diameter: slot size: set from feet to _

g. Was well gravel packed? YesO No [ZJ Size of gravel _

h. Was surface casing used: Yes 0 No [XJ Was it cemented in place? Yes 0 No 0

7. NAME &ADDRESS OF DRILLING COMPANY _.....,R"""U~BY.!:_..!oD~R~I~LL~I~N~G~CO~.~~G~IL~L~E~T~T~E....:WY~O~M::.I~NG~8~2:...!.7~1.i..7 _

8. DATE OF COMPLETION OF WELL (inclUding pump installation) OR SPRING (first used) _---::.O..:::C..:.TO~B~E:.:R'_=___=1:..:1:..z.__=_1~9~98~__

9. PUMP INFORMATION: Manufacturer NONE Type _Source of power Horsepower Depth of Pump Setling or intakeAmount of Water Being Pumped 0 Gallons Per Minute. (For Springs or flowing wells. see item 10.)Total Volumetric Gallons Used Per Calendar Year. _

10. FLOWING WELL (Owner is responsible for control of flowing well).If well yields artesian flow, yield is gal./min. Surface pressure is __ Ib.lsq. inch, or feet of water.The flow is controlled by: valve 0 cap 0 plug 0Does well leak around casing? Yes 0 No 0

Permit No. U.W. _....!lwl...,.1~5..L9~2 _ Book No. _-"'8.....5,><.0__ Page No. _ .....9_3__

SEE REVERSE SIDE

27

N.oO

--e...0_-L....:;;....;k8~, 19J:jDate

11. If spring, how was it constructed? (Some method of artificial diversion, i.e., spring box. cribbing. etc.• is necessary toqua~fyforawaterright.) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

12. PUMP TEST: Was a pump test made? Yes ~If so, by whom RUBY DRILLING Address~.....r.....T....T....T.....F......T....T.....F.....lJV...........a.....-~~~~~~~~_

Yield: 1 gal./min. with UNK foot drawdown after 1.5 hours.Yield: gal./min. with foot drawdown after hours.

13. LOG OF WELL: Total depth drilled 905 feel.Depth of completed well 905 feel. Diameter of well 7 7/8 inches.Depth to first water bearing formation 360 feet.Depth to principal water bearing formation. Top 862 feet to Bottom 905 feet.

Ground Elevation, if known~~~~~~~~~~

DRILL CUTTINGS DESCRIPTION: SEE COPY OF E-LOG FILED.

From To Material Remarks Indicate Water Bearing Indicate PerforatedFeet Feet Type, Texture Color (Cementing. Shutoff) Formation & Name Casing Location

0 140 GRY SHL140 200 GRY ~s

200 252 GRY SHL252 778 rnA1.278 360 GRY ~HL

160 '120 r.RV ~NDV ~H1. lJATF.R520 530 COAL530 670 GRY SHL670 750 GRY SS lJATFR750 840 r.RV ~HT

840 862 BLK SHL .I'.MI'.N I\I'.N IN .t'.

862 905 COAL WATER IpF.RF T.TNNF.R

14. QUALITY OF WATER INFORMATION:Does a chemical and/or bacteriological water quality analysis accompany this form? Yes 0 No 0It is recommended that chemical and bacteriologic water quality analyses be performed and that the report(s) be filedwith the records of this well. (Contact Department of Agriculture. Analytical Lab Services. Laramie, 742-2984.)If not, do you consider the water as: Good 0 Acceptable 0 Poor 0 Unusable 0

REMARKS: ~--,T~H....I::..>:S"--"=I"",S-","TH....E""--,l.....,s"""t",--"W,,.E....L....Ll...->o<Q.....F--,,,,,A_P..A...I.....R~E.....P"--"S.....E....T--"'D""'R......I ....TI....F......DLL-Tuon.t...-LM.....nwNuT......T...,o""'R-.....Cn.....At>J1.........,B;uF.:.LD,l--I,;;MLLE..LT.D.H.aANl,1LE.I:o.-~_DEVELOPMENT. THIS WELL WILL MONITOR THE WATER LEVEL IN THE WYOPAK COAT.

Under penalties of perjury, I declare that I have examined this form and to the best of my knowledge and belief it istrue, cor te.

FOR STATE ENGINEER'S USE ONLY .

Date of Receipt ~.:.:A=-P.:.:R=.;IL=--::2::...:8~~~~~_. 19 99 Date of Approval~ , 19 __

Date of Priority AUGUST 27 .19~

for State Engineer

NOTE: 00 not lold this form. Use typewriteror print neatly with black ink.

FORMU.W.6RllY.9-98


HERSCHL!R BUILDINGCHEYENNE, WYOMING 82002

(307) 777·5959


COpyPERMIT NO. U.W. ~11::;.;:1=5-=-94",-- NAME OF WELL (SPRING) -,C=B=M~M=0=N-.....3,--- _

1. NAME OF OWNER WYOMING STATE ENGINEER I S OFFICE

2. ADDRESS HERSCHLER BUILDING 4-EPlease check if address has changed from that shown on permit. 0

City CHEYENNE State WYOMING Zip Code 82002 Phone No. 777-6161

3. USE OF WATER: Domestic 0 Stock Watering 0 Irrigation 0 MunicipalO Industrial 0 Miscellaneous 0~ Monitor or Test Explain proposed use (Example: One single family dwelling) _

COAL BED METHANE GROUND WATER OBSERVATION WELL

4. LOCATION OF WELL (SPRING):~ % NW % of Section~, T.~ N., R. --.D-. W., of the 6th P.M. (or W.R.M.),


If surveyed, bearing, distance and reference point:

5. TYPE OF CONSTRUCTION: DrilledKJ -'R=O::..:T=A=R=Y-'R..",I"-'G<-- DugO Driven 0 OtherO(Type of Rig)

Describe: . _

STEEl Gage 15 5° #

Gage

0 feet to 860 feet.

6. CONSTRUCTION: Total Depth of Well/Spring 90S ft.



b. Casing Schedule New 0 Used~ PRIME

-U- diameter from 0 ft. to .8.6.0- ft. Material _.....;),.I,..r;;.L.I.o.- _

diameter from ft. to ft. Material _

c. Was casing cemented: Yes[XI NoD Cemented Interval, From

d. Number of sacks of cement used 200 type of cement CEMENT/BENTONITE MIX

e.Perloffi"oM:Type~perloffi~r~ed_O~P~E~N~H~O~L~E~ _Size of perlorations inches by inches.

Number of perlorations and depths where perlorated:____ perlorations from ft. to feet.____ perlorations from ft. to feet.

f. Was well screen installed? YesD No[XIDiameter: slot size: set from _Diameter: slot size: set from _

g. Was well gravel packed? YesD No [X] Size of gravel --'~

h. Was surface casing used: Yes 0 No [X] Was it cemented in place? Yes 0

7. NAME & ADDRESS OF DRILLING COMPANY RUBY DRILLING CO. GILLETTE WYOMING 82717

8. DATE OF COMPLETION OF WELL (including pump installation) OR SPRING (first used) OCTOBER 22. 1998

9. PUMP INFORMATION: Manufacturer Type _Source of power ... NONE Horsepower Depth of Pump Setting or intake _Amount of Water Being Pumped 0 Gallons Per Minute. (For Springs or flowing wells, see item 10.)Total Volumetric Gallons Used Per Calendar Year. _


Permit No. U.W. _..:;1..:;1...::1..::.,5..:..9...;.4 _ Book No. 850 Page No. _.::...:95<--__

SEE REVERSE SIDE

28

NoD

---1-O--,--~--.=;...(5_, 19 L.ZDate

11. If spring, how was it constructed? (Some method of artificial diversion, Le., spring box, cribbing, etc., is necessary toqualify for a water right.) _

12. PUMP TEST: Was a pump test made? Yes IX]If so, by whom RUBY DRILLING Address _--'G"""I....L.....L.....E...T...T....E'--'-"WY........... _Yield: I 1.5 gal./min. with UNK foot drawdown after 2.5 hours.Yield: gal./min. with fool drawdown after hours.

13. LOG OF WELL: Total depth drilled 905 feet.Depth of completed well ~05 leet. Diameter of well 7 7/8 inches.Depth to first water bearing formation 230 feet.Depth to principal water bearing formation. Top 854 feet to Bottom 905 feet.

Ground Elevation, if known _

DRILL CUTTINGS DESCRIPTION: SEE COpy OF E-LOG FILED.


0 100 GRY SNDY SHL100 114 r.nA T,

114 140 GRY SHL140 160 r.nAT,

160 230 GRY SHL230 320 GRY SNDY SHL WATER320 450 GRY SHL450 470 COAL470 560 GRY SNDY SHL' WATER560 574 COAL574 640 GRY SHL640 670 GRY SNDY SHL670 700 GRY SS WATER700 854 GRY SHL CEMENT/BENTONITE854 905 COAL WATER


REMARKS: THIS IS THE 1st WELL OF A PAIRED SET DRILLED TO MONITOR COAL BED METHANEDEVELOPMENT. THIS WELL WILL MONITOR THE WATER LEVEL IN THE WXODAK COAL.

Under penalties of perjury, I declare that I have examined this form and to the best of my knowledge and belief it istrue, correc omplete.


Date of Receipt _..:,;A~P;.:R~I~L-:2=:::.:8::...- , 19...2..2.-

Date of Priority _....;A~U~G~U~S~T'__=2..:..7 , 19~

Date of Approval , 19 __

for State Engineer

FORMU.W.6Rev. 9·98


HERSCHLER BUILD1NGCHEYENNE, WYOMING 82002

(307) 7n·5959


NOTE: 00 not lold this lorm. Use typewriter

Q,~_.. .. or prinl neatly with black ink.. ~.~ ,t

PERMIT NO. U.W. --:1:..::.1=15:...:;9.::...5 NA E ¥. ·0"ELL1lSPRING) _=CB"""'M'-'M..."O:.o.:..N---'4'--- _

1. NAME OF OWNER WYOMING STATE ENGINEER'S OFFICE

2. ADDRESS HERSCHLER BUILDING 4-EPlease check il address has changed from that shown on permit. 0

City CHEYENNE State WYOMING Zip Code 82002 Phone No. .-LZ......7.L-Z--16.....1....6u.J _

3. USE OF WATER: Domestic 0 Stock Watering 0 Irrigation 0 MunicipalO Industrial 0 Miscellaneous 000 Monitor or Test Explain proposed use (Example: One single family dwelling) _

COAL BED METHANE GROUND WATER OBSERVATION WELl..

4. LOCATION OF WELL (SPRING):~ % S'" % of Section...lL, T. ..!J:L N., R. -2L W., of the 6th P.M. (or W.R.M.),



5. TYPE OF CONSTRUCTION: Drilled[E ~R~O~TAuR"""Y"'---!.R:!l.o!oI..lo!G Dug0 Driven 0 OtherD(Type of Rig)

Describe:

6: CONSTRUCTION: Total Depth of Well/Spring 1219 ft.



b. Casing Schedule New 0 Used 00 PRIME

-2L diameter from 0 ft. to --llJiL. ft. Material _,w,ST.....E....E....I .... Gage 15. 50U

diameter from ft. to ft. Material Gage _

c. Was casing cemented: Yesl[] NoD Cemented Interval, From __.....:0::....- feet to _~1.:..:18:::.:5::..- feet.

d. Number of sacks of cement used 268 . type of cement CEMENT/BENTONITE MIX

e. Perforations: Type of perforator used ~O~P~E:N~H~O=L=E ~

Size of perforations inches by inches.

Number of perforations and depths where perforated:____ perforations from ft. to feet.____ perforations from ft. to feet.

f. Was well screen installed? YesO No [JDiameter: slot size: set from feet to ----iDiameter: slot size: set from feet to -----i

g. Was well gravel packed? YesO No KJ Size of gravel __......;... --\

h. Was surface casing used: Yes 0 No [] Was it cemented in place? Yes 0 No 0

7. NAME & ADDRESS OF DRILLING COMPANY RUBY DRILLING CO. GILLETTE WYOMING

8. DATE OF COMPLETION OF WELL (including pump installation) OR SPRING (first used) OCTOBER 26. 1998

9. PUMP INFORMATION: Manufacturer NONE Type ~

Source of power Horsepower Depth of Pump Setting or intake _Amount of Water Being Pumped 0 Gallons Per Minute. (For Springs or flowing wells, see item 10.)Total Volumetric Gallons Used Per Calendar Year. _

10. FLOWING WELL (Owner is responsible for control of flowing well).If well yields artesian flow, yield is gal.lmin. Surface pressure is __ Ib.lsq. inch, or feet of water.The flow is controlled by: valve 0 cap 0 plug 0Does well leak around casing? Yes 0 No 0

Permit No. U.W. _--=-11::.;1::.;:5:..,:9;.:5:...- _

SEE REVERSE SIDE

29

Book No. ~8~5~O~__ Page No. ~9,,-,,6,--__

NoD

11. If spring, how was it constructed? (Some method of artificial diversion, i.e., spring box, cribbing, etc., is necessary toQuanfyforawaterright.) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

12. PUMP TEST: Was a pump test made? Yes IXJIf so, by whom RUBY DRILLING Address ---:GI....L.....L.....E....T.....T....E'--D.WY..........~_~~~~~~~_Yield: 3 gal./min. with lINK foot drawdown after _---J1 lf--- hours.Yield: gal./min. with foot drawdown after hours.

13. LOG OF WELL: Total depth drilled 1219 feet.Depth of completed well 1219 feet. Diameter of well 7 718 inches.Depth to first water bearing formation 600 feet.Depth to principal water bearing formation. Top 1186 feet to Bottom 1219 feet.

Ground Elevation, if known~ _

DRILL CUTTINGS OESCRfPT10N: SEE COPY OF E-LOG FILED.

From To Material Remarks Indicate Water Bearing Indicate PerforatedFeet Feet Type. Texture Color (Cementing, Shutoff) Formation &Name Casing Location

0 100 GRY SNDY SHL100 294 GRY SHLY SS294 320 GRY CLY320 344 COAL344 400 GRY SHL400 500 GRY SNDY SHL WATER500 600 GRY SHLY SS WATER600 690 GRY SNDY SHL690 700 COAL700 790 GRY SHL790 810 COAL810 850 GRY SHL850 910 GRY SS WATF.R910 1186 GRY SHL CEMENT/BENTONTTE

1186 1219 COAL WATF.R

14. QUALITY OF WATER INFORMATION:Does a chemical and/or bacteriological water Quality analysis accompany this form? Yes 0 No 0It is recommended that chemical and bacteriologic water quality analyses be performed and that the report(s) be filedwith the records of this well. (Contact Department of Agriculture, Analytical Lab Services, Laramie, 742-2984.)If not, do you consider the water as: Good 0 Acceptable 0 Poor 0 Unusable 0

REMARKS: ~_T~H:.:.:I::..:S::..-::I:.::S~T.:..:H.:::E~ls:::..t:....:W~E~L~L~O~F_A~P~A~I!:.!R~E~D~S'-!::!EC!o.T_D~Ru.I....L;uL.....EuoD~T.JolQ_M.uQ3o£JNu.I.....TI..1QoLIR~C.u.Qu::A....L'--'oIBi.-'"ELJ.o!D_MLL.L<ET..LHwAwNil.JF.""--~~DEVELOPMENT. THIS WELL WILL MONITOR THE WATER LEVEl, IN THE WYODAK COAl


Date of Receipt _......;;.;;A=..PR::.;;I::.:L:::........;:2;.;:8 , 19~

Date of Priority ~~Au.J.l.loIGJ_l.I1....S...T__,_2_4_7~~~_. 19---9a-

Date of Approval_~~~~~~_ • 19 __

for State Engineer

FORM UWS

Rev. 3·99 STATE OF WYOMINGOFFICE OF THE STATE ENGINEER

HERSCHLER BLDG., 4-ECHEYENNE. WYOMING 82002

(307) 777-5959


iNOTE~D~ no!'f;;id lh,s form. Use Iypewriter

1 ~r_pr!~~ ne~~ly \'lith bla~k ink..

118343PERMIT NO. U.W. NAME OF WELL (SPRING) .. __.P~r~~~n F~d. 14-21 MC (MW)._-------

2. ADDRESS _.... _!.24 Commercial Drive. Suite 100 ._ . ......Please check if address has changed from thaI shown on permit.

State Wyo

Zip Code 82_7_1_6 Phone No. (3Q7)~86_-1636

3. USE OF WATER:

iX! Monilor or Test~omeslic [J Stock Watering [1 Irrigation [J Municipal I] IndustrialL_l Coal Bed Methane Explain proposed use (Example: One single family dwelling)

Miscellaneous

~~~ ..~9r'!itC>.~~f'l~.~~II_ . .. .__ ._._. .. _.... .. _

4. LOCATION OF WELL (SPRING): SW 1/4 SW 1/4 of Section 12 ,T. ~~_ N.,R.._~~_ W., of the 6th P.M. (or W.R.M.)

Subdivision Name Lot Block

If surveyed, bearing, distance and reference point: ~3' FSL, 594' ~WL ._._.. _.

5. TYPE OF CONSTRUCTION: DRILLED ~ .RO~~_'}'.~a.~eL~~!I. r.i~L_.. _Dug [J Driven [J Other:

Describe: _.- ------_._-_._ ... -_._---

6. CONSTRUCTION: Total Depth of Well/Spring ...1j88._. ft.Depth to Static Water Level 532 ft. (Below land surface)a. Diameter of borehole (Bit size)'~--8-3/4 _ inches.

b. Casing Schedule

5 1/2 diameter from

diameter from

New [1 Used [8JSurface ft. to 1424 ft.

ft. to ft.

Material S_te_~_I . _Gage

Material Gage

17#

feet.surfacefeet toCemented Interval, From 1424c. Was casing cemented: Yesl~ No LJd. Number of sacks of cement used __2_6~._type of cement _~~~~!:~_B_M_,_3~~~_!.~_BM .... _

e. Perforation: Type of perforator used n/aSize of perforations inches··b-y----·------inches~ -- __ H - .-.------ ----- ._-

Number of perforations and depths where perforated:

perforations from _.... ft. to ._.... feet.perforations from ft. to feel.

set from.---- set from

Yes r ] No i 'Was it cemented in place?

Size of gravel

Yes D No [~'J

Yes [] No [~

h. Was surface casing used:

f. Was well screen installed? Yes Cl No 0Diameter: slot size:--- _..., ..__ .._. -~. ---Diameter: slot size:

g. Was well gravel packed?

7. NAME AND ADDRESS OF DRILLING COMPANY A-1 Drilling, 1200 Shipwheel, Gillette. WY 82718

8. DATE OF COMPLETION OF WELL (including pump installation) OR SPRING (first used) n/a

9. PUMP INFORMATION: Manufacturer TypeSource of power ---Hor:sepo~er----·------Depthof Pump Settiiigor intake--

Amount of Water Be;ng Pumped---d-- Gallons Per-'M1nule". -(For Springs or flowing wells, see item 10·.)Total Volumetric Gallons Used Per Calem:laryear. 0

10. FLOWING WELL (Owner is responsible for control of flowing well). N/AIf well yields artesian flow. yield is gal./min. Surface pressure is

The flow is controlled by: valve D cap ['=1 plug CJDoes well leak around casing? Yes [J No []

Ib.lsq.inch, or feet of water.

Permit No. U.w.118343

Book No. 895 Page No. 94SEE REVERSE SIDE

30

11. If spring, how was it constructed? (Some method of artificial diversion, Le., spring box, cribbing, etc., is necessary toqualify for a water right.) __N_I_A .. .__

--gal)min. with foot drawdown after __.. hours.gal./min. with . foot drawdown after hours.

12. PUMP TEST: Was a pump test made?If so, by whomYield:Yield:

YesO No~

13_ LOG OF WELL: Total depth drilled 1488 feet.Depth of completed well 1488 -feeCbTcimeter of well 5" inches.Depth to first water bearing formation 1429 feet. -----.

Depth to principal water bearing formation. Top _ 1429 feet to Bottom__1-:?~. _feet.

Ground Elevation, if known 5066.3'

14. QUALITY OF WATER INFORMATION:Does a chemical and/or bacteriological water quality analysis accompany this form? Yes 0 No [~l

It is recommended that chemical and bacteriologic water quality analyses be performed and that the report(s) be filedwith the records of this well. (Contact Department of Agriculture, Analytical Lab Services, Laramie, 742-2984.)If not, do you consider the water as: <;;ood ~ Acceptable 0 Poor 0 Unusable []

REMARKS:

---.---- - ..._---------------------.._-------------

Under penalties of perjury, I declare that I have examined this form and to the best of my knowledge and belief it istrue, correct and complete.

···5ignUd~~~--------_ ... _- - ._.------------_..._------._._-- -

Date of Receipt

OCt2715G0'~_7 .1~99 ,19 Date of Approval _ . 19

Date of Priorily August 16, 19?~__. , 19

Formation Descr1otionG.L.5066.3'

Barrett Resources CorporationPersson Federal #14-12MC~4674SW/S:W Sec 12, T46N, R734WCampbell County, Wyoming

lJf3£/3

Geologist: Kevin ~fcManamen

Rig: Al #3

0-2020-5050-110

110-15115-340

340-420

420-70

470-80480-505

505-535

535-55

555-90590-650

650-80

680-720

720-900

900-960

960-80980-90990-1080

1080-1180

1180-1230

Soil- sand and silt, brown, tanClaystone- brovrn., tan, platy, subblocky, firm, siltyClaystone- light to medium gray, platy, subblocky, slightly firm to fum,silty in partCoal- dark brovrn., black., platy, slightly firm to :firmClaystone,. medium gray brO"WIl, medium to dark brown gray, subblocky,platy, trace coal, trace silt stringersSandstone- light to medium gray, t~ translucent, very fine to mediumgrain, silty in part, common clay fill trace coalClaystone- medium to dark brovro gray, soft to slightly~ amorphousin part, some siltyDaly Coal- dark brown, black., slightly firm to firm, platy, brittle in partClaystone- medium to dark brovro gray, slightly :firm to firm., subblockyin part, platy, very silty in partFelix Coal- black., brittle, subblocky, blocky, vitreous, lost circulationmomentarilyClaystone- medium to dark bro'IND. gray, earthy in part, subblocky, platy,siltySiltstone- light gray, gray brO'lND., trace sandy, common clayClaystone-light to medium gray, gray brown, very silty in part, slightlyfirm, platy in partSiltstone- light to medium gray, sandy, grades to sandstone in part, commonclaySandstone- light to medium gray, tan, trace translucent, very fine to mediumgrain, moderately sorted, abundant clay fillClaystone- medium to dark brovro gray, soft to slightly firm, common siltyamorphous in part, some platySandstone- light gray, t:ranslucent, some tan, very fine to medium~some clean, moderately sorted, trace claySiltstone- light to medium gray, gray brO'lND., sandy, common clayBadger Coal- dark brown, black, platy, slightly fum to firm, vitreous in partClaystone- medium to dark brO'ND, gray, slightly :firm to firm., platy,subblocky in part,Claystone- "medium"to dark brO'NIl gray, earthy in part, brown, soft toslightly firm, amorphous, bent matrix in partBig George Coal- black, brittle, subblocky, blocky, vitreous, platy

31

1230-1285 Claystone- medium to dark brO'NTI gray, soft to slightly~ some platy,amorphous in part, trace coal

1285-1310· Sandstone- light gray, tan, trace translucent, very silty in part, abundantclay fill, very fine to fine grain, unconsolidated

1310-1390 Claystone- medium to dark bro\\ln gray, earthy, very silty in part, soft toslightly "flI1D., platy in part., amorphous in pa..-t

Lost circulation at 1375'. Pulled up above the Big George and added LCM beforegetting any returns.1390-1419 C~ystone- medium to dark brown, some green, gray green, carbonaceous

in part, waxy in part, slightly~ platy, trace coal1419-27 Wyodak Coal- very dark brown, black, slightly firm to firm, platy, trace

subblocky, vitreous in part, trace brittle

32

FORMU.W.6Rev. 9·98

STATE OF WYOMINGOFFICE OFTHE STATE ENGINEER

HERSCHLER BUILDINGCHEYENNE, WYOMING 82002

~,rrrSTATEMENT OF COMPLET'6VF"t .ION OF WELL OR SPRING

NOTE: Do not fold this form. Use typewriteror print neatly wilh black ink.

PERMIT NO. U.W. _-=-1::..;11:.:::5...::..9..:....7 NAME OF WELL (SPRING) .--lo/.C.IolABM...........M.wJON~-=6~ _

1. NAME OF OWNER _.....:WY~O~M::..::I~N..:::.G......:::.ST""'A""T"-=E::-.::E:.:.:N.:::.G"""IN~E""'E""'R.>...'-"'S~O~FF....I...,C....E"--- _

2. ADDRESS HERSCHLER BUILDING 4-EPlease check if address has changed from Ihal shown on permit. 0

City CHEYENNE State WYOMING Zip Code 82002 Phone No. 777-6] 61

3. USE OF WATER: Domestic 0 Stock Watering 0 Irrigation 0 MUnfcipalO Industrial 0 Miscellaneous 0[] Monitor or Test Explain proposed use (Example: One single family dwelling) _

COAL BED METHANE GROUND WATER OBSERVATION WELL.

4. LOCATION OF WELL (SPRING):~ % SE % of Section -16..., T. --.li.5... N., R..J.L W., of the 6th P.M. (or W.R.M.),



5. TYPE OF CONSTRUCTION: Drilled~ _R;:.;..O;;..;T;:.;..A;:.::.;R:..=..Y.....:R:.;..:I=-=G~ Dug 0 Driven 0 Othero(Type of Rig)

Describe:

STEEL Gage 15 SOli

Gage

·0 feet to 1220 feet.


Depth to Static Water L~vel 239 ft. (Below land surface)


b. Casing Schedule New 0 Used [J PRIME

-2..L diameter from 0 ft. to --!.U.CL ft. Material ----'loI..oL.J~"-- _

diameter from ft. to ft. Material __~ _

c. Was casing cemented: Yes[] NoD Cemented Interval, From

d. Number of sacks of cement used 275 type of cement ---,C"",L~A~S~S:...-"..:=:G_" _

e.Perforation~Typeclperfoffi~rused _~P=LA~T~E~S~H~O~T~"~2~3_G~~~~J~E~T..:=:S_" _Size of perforations inches by ! inches.

h. Was surface casing used: Yes 0 No !Xl

Number of perforations and depths where perforated:20 perforations from 1050 ft. to 1070 feet.

____ perforations from ft. to feet.

YesO NoOOg. Was well gravel packed?

tj.lJ~L~

f/'(fEttJll!'~ 8f. Was well screen installed? Yeso No[XI dil:J 4Pn2 9 1;1l.ftb~

Diameter: slot size: set from feetto:- STil/f ,. /999 10Diameter: slot size: set from feet to :. L Cheyc c11(''lIli.:t ..

'('/ lJi'a, /I~/O•.R IlSize of gravel ~

---------~'~<·:/~~.

Was it cemented in place? Yes 0 No 0 ~,!..;--

8. DATE OF COMPLETION OF WELL (inclUding pump installation) OR SPRING (first used)

7. NAME & ADDRESS OF DRILLING COMPANY _~RU~B~Y!:...-..=D~R~IL~L~I:=..::N~G~CO~.~G~I~L!.,!,!L~ET~T~E::t.....!lWY~O!.!.M"","INlUGi!...- \+-.. __

DECEMBER II. 199$•

9. PUMP INFORMATION: Manufacturer NONE Type _Source of power Horsepower Depth of Pump Setting or intake _Amount of Water Being Pumped 0 Gallons Per Minute. (For Springs or flowing wells, see item 10.)Total Volumetric Gallons Used Per Calendar Year. _


Permit No. U.W. _...;;;1;....;;;1-=1~5..<...9.;...7 _ Book No. 850 Page No. _.49~8__

SEE REVERSE SIDE

33

NoD

11. If spring, how was it constructed? (Some method of artificial diversion, i.e., spring box, cribbing, etc., is necessary toquaUfy fora water right.) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

12. PUMP TEST: Was a pump test made? Yes KlIf so, by whom RUBY DRILLING Address -:--~Gc.:::.I.=.LL.=.E~T:o...:T~E=--:.:WYc..:::....:..' _Yield: 1 gal./min. with UNK foot drawdown after 1! hours.Yield: gal./min. with foot drawdown after hours.

13. LOG OF WELL: Total depth drilled 1220 feet.Depth of completed well 1220 feet. Diameter of well 7 7/8 inches.Depth to first water bearing formation 110 feel.Depth to principal water bearing formation. Top 1050 feet to Bottom 1192 feel.

Ground Elevation, if known_~~~~~~~~_

DRILL CUTTINGS DESCRIPTION: SEE COpy OF E-LOG FILED.


0 60 TAN SLSTN60 70 COAL

-70 I 106 GRY SHL106 110 COAL110 536 GRY SNDY SHL WATF:R536 ! 548 COAL548 ! 576 GRY SHL576 660 GRY SS WATER660 i 770 GRY SNDY SHL770 804 DRK GRY SHL804 860 COAL860 1050 GRY SHL

1050 1090 COAL WATER PERF1090 1220 GRY SNDY SHL CEMENT

i


REMARKS: ~-,T::..:H~I~S~I~S:....--::T~H~E~ON~L=.Y~W~E~L~L~D~R~I"...L,...L~E~D--,Ao..!.T~T:!o.!H~I!L!oS!..-..f,L~Q~C:&.lA...T.....l"",ONU--,jA....ND'-1.Io!..~I.....SL.-loC~O:Ao.JM",,-P ....L....ET....EloUp~I.....Nl...-oIoT..uH.....E~~~~WYODAK COAL.

Under penalties of perjury, I declare that I have examined this form and to the best of my knowledge and belief it istrue, corre nd complete.


Date of Receipt ~~A::.PR:..:.I:.:L=--=2:.::9,-- , 19~

Date of Priority _....:A.:..:U::..:G:...:U:..:S:..:T:.....=2~7~~~~~, 19 ....2.!L-

Date of Approval~~~~~__ , 19 __

lor State Engineer

APPENDIX C

34

R'7S'lt' R7Slr R7"'lt' R7:nr R7ZW R71'lt' R7QlI' Ragll'

TS7N

T-4SN

T4SlN

TSOC

T4'7N

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T.j5N

T·UN

.

. . ., I' "---,:... -1 J. L- &-----~ -___ l-

I r I , I , -I ----I , 1 1 I 1 ,I , I I J I 1

, 1 , " I 1I 1 1 1 "':' -·-~t------J.-----~-----I~---- &--- -t------I-----_I I 1 1 I 1 1I , ,r r 11 r " I 1I I 1 I a 1I a r I 1 1 1---f------t------t------r------, -- --r-----r-----1 r 1 , I I I1 I I' 1 1I , J J 1 11 I. 1 J 1 I,

I I & , ,--T-----r------I--- -r-----r----I 1 I ' ,I I 'I1 1 I 1 I

1 1 1 1 I 1

--~-----~----- ----~----_._---- ----~----1 1 1 I I I1 1 I 1 I 11 1 'I 11 I 1 I I'. 1 I I 1 I 1

-~-----+-----~- --~-----. ----~----~----, 1 1 1 " .I I " I II 1 I I I 1I J I 1 1 .I I ' ll I

---~-----+-----~---- - -----t-----~----I 1 I ltawtai4li I II 1 1 1 1 II 1 I I 1 JI " ~i_kl II 1 I I 1 I

---~-----T-----I----I-· ---r----.-----1 1 I I ~gDS_ I a

I I ," Gillette . 11'~ II 1 I 1 ";-.-...;.1__--t-ITSON

---l-----Tl-----r:-- - L_,.~__L L _I .'. I 1a I 1 I a1 J a I a

1 I I I J

a ----l----Gi- ~~ ~----, I •1 1I 11 I I

--~-----~--- ~---~----1 I 1, 1 J, , Card_Jt.ejaj

J 1 0

'

,, , I I

---~-----i--- I~~---r----. I , <!l J I ..

: : 50 ,: :~:J , . 1 I I ~{CI e-l1ea-Jc, , 1 I ,- I'--j-----r- ---r----.----- -----r· .-,----1 1 r 1 , r rI 1 1 1 1 1 J1 1 I a J 1 ,

---~-----+ ---~----~---- f-----~--- -~----1 J 1 a I I I~ , 1 l. ••• ht a I -I,I , 1 awng r I II , , I , , I

---~-----r ----.---- T-----r-1 1 1 II , I I1 , , ,I I I I

I I I I I~---~-----r ---.----IU I I I-

I ! : I i~---I~,----L-----L----~----I I 1 I

I , 1 ,'1 I 1 IJ1 I 1 I

24'12

LEGEND

Scale (miles)

(!) CBM Monitor Well

o

Source: Wyodak Coal Bed Methane Project,Environmental Impact Statement, Record ofDecision, U.S.D.I., Bureau of land Management(Buffalo Field Office), November 1999, Page 2

GENERAL LOCATION MAPCAMPBELL COUNTY CBM MONITOR WELLS(See Table 1)

35

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