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- 01:45, 14 January 2014 diff hist +170 N File:Uncertainties-impacting-reserves-revenue-and-costs fig2.png Worksheet showing graphical method of combining distributions to derive the mean reserves on three-cycle log probability paper. Category:Economics and risk asseement
- 01:45, 14 January 2014 diff hist +136 N File:Uncertainties-impacting-reserves-revenue-and-costs fig1.png Location of mode, median, and mean shown schematically on a lognormal frequency distribution. Category:Economics and risk asseement
- 01:22, 14 January 2014 diff hist +4,998 N Drilling problems Initial import
- 01:22, 14 January 2014 diff hist +99 N File:Measurement-while-drilling fig3.png Composite lithological log from MWD data. (From Schlumberger, 1989.) Category:Wellsite methods current
- 01:22, 14 January 2014 diff hist +80 N File:Measurement-while-drilling fig2.png Hardcopy plot of MWD data. (From Anadrill, 1988.) Category:Wellsite methods current
- 01:22, 14 January 2014 diff hist +100 N File:Measurement-while-drilling fig1.png Location of MWD hardware (not drawn to scale). (From Anadrill, 1988.) Category:Wellsite methods current
- 01:22, 14 January 2014 diff hist +8,005 N Measurement while drilling Initial import
- 01:22, 14 January 2014 diff hist +13,377 N Drilling fluid Initial import
- 01:20, 14 January 2014 diff hist +212 N File:Displaying-seismic-data fig1.png {{copyright|Conoco Inc}} Various types of seismic displays: (a) wiggle trace, (b) variable area, (c) variable area wiggle trace, and (d) variable density. Copyright: Conoco Inc. Category:Geophysical methods current
- 01:20, 14 January 2014 diff hist +9,372 N Seismic data display Initial import
- 01:19, 14 January 2014 diff hist +138 N File:Dipmeters fig7.png Field example of a detailed dip computation through a sequence of interrupted meandering stream point bars. Category:Wireline methods current
- 01:19, 14 January 2014 diff hist +104 N File:Dipmeters fig6.png Model of a tilted plunging anticline as it would appear on an arrow plot. Category:Wireline methods current
- 01:19, 14 January 2014 diff hist +96 N File:Dipmeters fig5.png Simple dip model for the description of a normal fault with drag. Category:Wireline methods current
- 01:19, 14 January 2014 diff hist +75 N File:Dipmeters fig4.png Dip data expressed on a standard arrow plot. Category:Wireline methods current
- 01:19, 14 January 2014 diff hist +129 N File:Dipmeters fig3.png Example of thin bed laminated sandstone-shale resolution by means of a dipmeter correlation curve. Category:Wireline methods current
- 01:19, 14 January 2014 diff hist +97 N File:Dipmeters fig2.png Expanded scale recording of raw dipmeter data from a six-arm tool. Category:Wireline methods current
- 01:19, 14 January 2014 diff hist +114 N File:Dipmeters fig1.png Sketch of a four-arm dipmeter tool illustrating pertinent orientation measurements. Category:Wireline methods current
- 01:19, 14 January 2014 diff hist +12,091 N Dipmeter Initial import
- 01:11, 14 January 2014 diff hist +174 N File:Difficult-lithologies fig3.png {{copyright|Schlumberger Educational Services, 1989}} MID plot for mineral identification. Copyright: Schlumberger Educational Services, 1989. Category:Wireline methods current
- 01:11, 14 January 2014 diff hist +163 N File:Difficult-lithologies fig2.png {{copyright|Schlumberger Educational Services, 1989}} UMAA determination chart. Copyright: Schlumberger Educational Services, 1989. Category:Wireline methods current
- 01:11, 14 January 2014 diff hist +165 N File:Difficult-lithologies fig1.png {{copyright|Schlumberger Well Services, 1979}} M-N crossplot for mineral identification. Copyright: Schlumberger Well Services, 1979. Category:Wireline methods current
- 01:11, 14 January 2014 diff hist +24,320 N Log analysis: lithology Initial import
- 00:51, 14 January 2014 diff hist +561 N File:Multivariate-data-analysis fig2.png Dendrogram (by aggregation). Starting from <italic>n</italic> samples, combine the two most similar samples (here 2 and 3). Then, combine the two nearest groups by either joining two samples or aggregating a third sample to the previous group of two (1... current
- 00:51, 14 January 2014 diff hist +321 N File:Multivariate-data-analysis fig1.png Plot of two-blvariate distributions, showing overlap between groups A and B along both variables <italic>x</italic><sub>1</sub> and <italic>x</italic><sub>2</sub>. Groups can be distinguished by protecting members of the two groups onto the discriminan... current
- 00:48, 14 January 2014 diff hist +144 N File:Cross-borehole-tomography-in-development-geology fig3.png Time lapse tomograms acquired at 6 month intervals across a thermal EOR project. (After Justice et al., 1989.) Category:Geophysical methods current
- 00:48, 14 January 2014 diff hist +131 N File:Cross-borehole-tomography-in-development-geology fig2.png Ray path diagram documenting the distribution of ray paths across a thermal EOR project tomogram. Category:Geophysical methods current
- 00:48, 14 January 2014 diff hist +89 N File:Cross-borehole-tomography-in-development-geology fig1.png Schematic illustration of tomographic data acquisition. Category:Geophysical methods current
- 00:48, 14 January 2014 diff hist +14,424 N Cross-borehole tomography Initial import
- 22:39, 13 January 2014 diff hist +178 N File:Sidewall-coring fig3.png {{copyright|Foothills Diamond Coring, Calgary, Canada}} Process of Sidetrak Coring System®. Copyright: Foothills Diamond Coring, Calgary, Canada. Category:Wellsite methods current
- 22:39, 13 January 2014 diff hist +154 N File:Sidewall-coring fig2.png {{copyright|Halliburton Logging Services, Inc}} Rotary sidewall coring tool. Copyright: Halliburton Logging Services, Inc. Category:Wellsite methods current
- 22:39, 13 January 2014 diff hist +160 N File:Sidewall-coring fig1.png {{copyright|Halliburton Logging Services, Inc}} Percussion sidewall coring system. Copyright: Halliburton Logging Services, Inc. Category:Wellsite methods current
- 22:39, 13 January 2014 diff hist +7,657 N Sidewall coring Initial import
- 22:39, 13 January 2014 diff hist +449 N File:Overview-of-routine-core-analysis fig3.png Data compiled from 5300 sidewall core samples indicate that sidewall cores from low permeability formations have an indicated permeability greater than that determined from conventional core analysis. Sidewall cores from formations with more than 20 md... current
- 22:39, 13 January 2014 diff hist +403 N File:Overview-of-routine-core-analysis fig2.png Comparison of saturation data (Jenkins, 1987) indicate that sidewall cores from gas condensate zones may have measured oil saturation values that are 2% higher than conventional core samples. In oil zones the relationship is less clear. The agreement b... current
- 22:39, 13 January 2014 diff hist +320 N File:Overview-of-routine-core-analysis fig1.png Comparison of water saturation data (Jenkins, 1987) from sidewall and conventional cores shows that sidewall core values are almost always higher than conventional core values. Sample values from gas condensate zones are 10 to 15% higher, while values ... current
- 22:39, 13 January 2014 diff hist +14,888 N Overview of routine core analysis Initial import
- 22:38, 13 January 2014 diff hist +57 N File:Core-orientation fig3.png Paleomagnetic plug sample. Category:Wellsite methods current
- 22:38, 13 January 2014 diff hist +56 N File:Core-orientation fig2.png Scribe knife arrangement. Category:Wellsite methods current
- 22:38, 13 January 2014 diff hist +80 N File:Core-orientation fig1.png Typical assembly for mechanically orienting core. Category:Wellsite methods current
- 22:38, 13 January 2014 diff hist +13,085 N Core orientation Initial import
- 22:38, 13 January 2014 diff hist +7,075 N Core handling Initial import
- 22:38, 13 January 2014 diff hist +206 N File:Core-description fig2.png (a) Comparison chart for sorting and sorting classes. (Modified from Pettijohn et al. 1987.) (b) Comparison chart for roundness and sphericity. (Modified from Powers, 1953.) Category:Laboratory methods current
- 22:38, 13 January 2014 diff hist +469 N File:Core-description fig1.png Idealized graphic log. Explanation for some symbols used for sedimentary structures, lithologies, fossils, and contacts are given. Grain size of sillclclastic rocks and Dunham's (1962) classification of limestones are indicated in the column on the lef... current
- 22:38, 13 January 2014 diff hist +11,955 N Core description Initial import
- 22:38, 13 January 2014 diff hist +391 N File:Core-alteration-and-preservation fig1.png {{copyright|reservoir to surface. (a)Oil-productive formation. (b) Gas-productive formation. (Courtesy of Core Laboratories, a Division of Western Atlas International}} Typical fluid contents. Copyright: reservoir to surface. (a)Oil-productive formati... current
- 22:38, 13 January 2014 diff hist +80 N File:Conventional-coring fig3.png Full-closure core catcher. (From Whitebay, 1986.) Category:Wellsite methods current
- 22:38, 13 January 2014 diff hist +129 N File:Conventional-coring fig2.png {{copyright|DBS, a Baroid Company}} Sponge-lined coring system. Copyright: DBS, a Baroid Company. Category:Wellsite methods current
- 22:37, 13 January 2014 diff hist +179 N File:Conventional-coring fig1.png {{copyright|Eastman Christensen, Technical Data Sheet C-105}} Conventional core barrel. Copyright: Eastman Christensen, Technical Data Sheet C-105. Category:Wellsite methods current
- 22:37, 13 January 2014 diff hist +13,155 N Conventional coring Initial import
- 22:33, 13 January 2014 diff hist +209 N File:Using-and-improving-surface-models-built-by-computer fig24.png Incomplete data for net and porosity due to partial penetrations, truncations, baselaps, and so on create problems when building models of these and related variables. Category:Integrated computer methods current