Por-14c
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Porosity Schlumberger 3-17 Por 0 10 20 30 40 50 0 10 20 30 40 50 • Standard conditions Actual borehole size (in.) 1.0 0.5 0.0 Mudcake thickness (in.) 250 0 Borehole salinity (kppm) Mud weight (lbm/gal) Natural 300 50 Borehole temperature (°F) 25 0 Pressure (kpsi) 18 16 14 12 10 8 Barite Water-base mud Oil mud 250 0 Limestone formation salinity (kppm) Neutron log porosity index (apparent limestone porosity) 24 20 16 12 8 4 • • • • • • • • 13 12 11 10 9 8 Dual-Spacing CNL* Compensated Neutron Log Correction Nomograph for Openhole For CNL curves without environmental corrections Por-14c (English) *Mark of Schlumberger © Schlumberger
description
HW pet chart 14
Transcript of Por-14c
PorositySchlumberger
3-17
Por
0 10 20 30 40 50
0 10 20 30 40 50
• Standard conditions
Actual borehole size (in.)
1.0
0.5
0.0
Mudcake thickness (in.)
250
0
Borehole salinity (kppm)
Mud weight (lbm/gal)
Nat
ural
300
50
Borehole temperature (°F)
25
0
Pressure (kpsi)
18 16 14 12 10 8
Bar
ite
Water-base mud Oil mud
250
0
Limestone formation salinity
(kppm)
Neutron log porosity index (apparent limestone porosity)
24 20 16 12 8 4 •
•
•
•
•
•
•
•
13 12 11 10 9 8
Dual-Spacing CNL* Compensated Neutron LogCorrection Nomograph for OpenholeFor CNL curves without environmental corrections
Por-14c(English)
*Mark of Schlumberger© Schlumberger
