CA1161901A - Induced polarization logging - Google Patents
Induced polarization loggingInfo
- Publication number
- CA1161901A CA1161901A CA000367300A CA367300A CA1161901A CA 1161901 A CA1161901 A CA 1161901A CA 000367300 A CA000367300 A CA 000367300A CA 367300 A CA367300 A CA 367300A CA 1161901 A CA1161901 A CA 1161901A
- Authority
- CA
- Canada
- Prior art keywords
- formation
- phase
- conductivity
- electrodes
- quadrature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000010287 polarization Effects 0.000 title claims abstract description 32
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 48
- 238000005755 formation reaction Methods 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 238000005341 cation exchange Methods 0.000 claims abstract description 6
- 239000004576 sand Substances 0.000 claims description 35
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 239000011435 rock Substances 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 10
- 230000010363 phase shift Effects 0.000 claims description 10
- 229920006395 saturated elastomer Polymers 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000003792 electrolyte Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000002734 clay mineral Substances 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 4
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 150000001768 cations Chemical class 0.000 claims description 2
- 238000011835 investigation Methods 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 2
- 239000008398 formation water Substances 0.000 claims 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 24
- 239000012267 brine Substances 0.000 abstract description 7
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract description 7
- 238000011065 in-situ storage Methods 0.000 description 7
- 239000004927 clay Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000012625 in-situ measurement Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011158 quantitative evaluation Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
- G01V3/24—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current using AC
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/38—Processing data, e.g. for analysis, for interpretation, for correction
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Polarising Elements (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/115,472 US4359687A (en) | 1980-01-25 | 1980-01-25 | Method and apparatus for determining shaliness and oil saturations in earth formations using induced polarization in the frequency domain |
| US115,472 | 1980-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1161901A true CA1161901A (en) | 1984-02-07 |
Family
ID=22361629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000367300A Expired CA1161901A (en) | 1980-01-25 | 1980-12-22 | Induced polarization logging |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4359687A (OSRAM) |
| CA (1) | CA1161901A (OSRAM) |
| FR (1) | FR2474700A1 (OSRAM) |
| GB (1) | GB2068563B (OSRAM) |
| NO (1) | NO156265C (OSRAM) |
Families Citing this family (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4464930A (en) * | 1982-08-25 | 1984-08-14 | Mobil Oil Corporation | Method for identifying complex lithologies in a subsurface formation |
| US4642570A (en) * | 1983-03-25 | 1987-02-10 | Conoco Inc. | Method and apparatus for complex resistivity measurements with elimination of electromagnetic coupling effects |
| US4583046A (en) * | 1983-06-20 | 1986-04-15 | Shell Oil Company | Apparatus for focused electrode induced polarization logging |
| US4658215A (en) * | 1983-06-20 | 1987-04-14 | Shell Oil Company | Method for induced polarization logging |
| US4644283A (en) * | 1984-03-19 | 1987-02-17 | Shell Oil Company | In-situ method for determining pore size distribution, capillary pressure and permeability |
| US4649483A (en) * | 1984-10-01 | 1987-03-10 | Mobil Oil Corporation | Method for determining fluid saturation in a porous media through the use of CT scanning |
| US4692706A (en) * | 1985-02-27 | 1987-09-08 | Texaco Inc | Well logging means and method for determining water saturation of a petroleum reservoir having two transmitters and two receivers |
| FI73330C (fi) * | 1985-09-09 | 1987-09-10 | Vaisala Oy | Foerfarande och anordning foer bestaemning av ytbelaeggning pao vaeg. |
| US4686477A (en) * | 1985-09-30 | 1987-08-11 | Mobil Oil Corporation | Multiple frequency electric excitation method and identifying complex lithologies of subsurface formations |
| US4730162A (en) * | 1985-12-31 | 1988-03-08 | Shell Oil Company | Time-domain induced polarization logging method and apparatus with gated amplification level |
| US5164673A (en) * | 1989-11-13 | 1992-11-17 | Rosener Kirk W | Induced electric field sensor |
| RU2155974C2 (ru) * | 1993-06-10 | 2000-09-10 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Система электрического каротажа |
| US5680055A (en) * | 1995-07-19 | 1997-10-21 | Marquette University | Method and apparatus to sense changes in the state of a resin bed |
| US6147497A (en) * | 1998-06-29 | 2000-11-14 | The Regents Of The University Of California | Using electrical impedance tomography to map subsurface hydraulic conductivity |
| US6445187B1 (en) | 2000-04-10 | 2002-09-03 | Jerry R. Montgomery | System for the measurement of electrical characteristics of geological formations from within steel cased wells using magnetic circuits |
| US7096953B2 (en) | 2000-04-24 | 2006-08-29 | Shell Oil Company | In situ thermal processing of a coal formation using a movable heating element |
| US6715548B2 (en) | 2000-04-24 | 2004-04-06 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids |
| US6588504B2 (en) | 2000-04-24 | 2003-07-08 | Shell Oil Company | In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids |
| US7011154B2 (en) | 2000-04-24 | 2006-03-14 | Shell Oil Company | In situ recovery from a kerogen and liquid hydrocarbon containing formation |
| US6715546B2 (en) | 2000-04-24 | 2004-04-06 | Shell Oil Company | In situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore |
| US6698515B2 (en) | 2000-04-24 | 2004-03-02 | Shell Oil Company | In situ thermal processing of a coal formation using a relatively slow heating rate |
| AU2001265903B2 (en) | 2000-04-24 | 2004-12-02 | Shell Internationale Research Maatschappij B.V. | Method for treating a hydrocarbon-containing formation |
| US7096942B1 (en) | 2001-04-24 | 2006-08-29 | Shell Oil Company | In situ thermal processing of a relatively permeable formation while controlling pressure |
| CA2668385C (en) | 2001-04-24 | 2012-05-22 | Shell Canada Limited | In situ recovery from a tar sands formation |
| US7040400B2 (en) | 2001-04-24 | 2006-05-09 | Shell Oil Company | In situ thermal processing of a relatively impermeable formation using an open wellbore |
| US7040397B2 (en) | 2001-04-24 | 2006-05-09 | Shell Oil Company | Thermal processing of an oil shale formation to increase permeability of the formation |
| US6573734B2 (en) * | 2001-05-08 | 2003-06-03 | The Board Of Trustees Of The University Of Illinois | Integrated thin film liquid conductivity sensor |
| AU2002342137A1 (en) | 2001-10-24 | 2003-05-06 | Shell Oil Company | Producing hydrocarbons and non-hydrocarbon containing materials from a hydrocarbon containing formation |
| US7165615B2 (en) | 2001-10-24 | 2007-01-23 | Shell Oil Company | In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden |
| US7090013B2 (en) | 2001-10-24 | 2006-08-15 | Shell Oil Company | In situ thermal processing of a hydrocarbon containing formation to produce heated fluids |
| US7077199B2 (en) | 2001-10-24 | 2006-07-18 | Shell Oil Company | In situ thermal processing of an oil reservoir formation |
| US6969123B2 (en) | 2001-10-24 | 2005-11-29 | Shell Oil Company | Upgrading and mining of coal |
| US7104319B2 (en) | 2001-10-24 | 2006-09-12 | Shell Oil Company | In situ thermal processing of a heavy oil diatomite formation |
| US8238730B2 (en) | 2002-10-24 | 2012-08-07 | Shell Oil Company | High voltage temperature limited heaters |
| AU2004235350B8 (en) | 2003-04-24 | 2013-03-07 | Shell Internationale Research Maatschappij B.V. | Thermal processes for subsurface formations |
| MXPA06011960A (es) | 2004-04-23 | 2006-12-15 | Shell Int Research | Calentadores de temperatura limitada para calentar formaciones subterraneas. |
| AU2006239988B2 (en) | 2005-04-22 | 2010-07-01 | Shell Internationale Research Maatschappij B.V. | Reduction of heat loads applied to frozen barriers and freeze wells in subsurface formations |
| KR101434259B1 (ko) | 2005-10-24 | 2014-08-27 | 쉘 인터내셔날 리써취 마트샤피지 비.브이. | 탄화수소 함유 지층을 처리하기 위한 병합 발생 시스템 및방법 |
| AU2007319714B2 (en) | 2006-04-21 | 2011-11-03 | Shell Internationale Research Maatschappij B.V. | Temperature limited heaters using phase transformation of ferromagnetic material |
| JP5616634B2 (ja) | 2006-10-20 | 2014-10-29 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイShell Internationale Research Maatschappij Beslotenvennootshap | タールサンド地層の粘度低減化温度への加熱 |
| WO2008131168A1 (en) | 2007-04-20 | 2008-10-30 | Shell Oil Company | Electrically isolating insulated conductor heater |
| RU2487236C2 (ru) | 2007-10-19 | 2013-07-10 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Способ обработки подземного пласта (варианты) и моторное топливо, полученное с использованием способа |
| US20090260824A1 (en) | 2008-04-18 | 2009-10-22 | David Booth Burns | Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations |
| CN102203377A (zh) | 2008-10-13 | 2011-09-28 | 国际壳牌研究有限公司 | 将自调节核反应堆用于处理地下地层 |
| US8327932B2 (en) | 2009-04-10 | 2012-12-11 | Shell Oil Company | Recovering energy from a subsurface formation |
| US8739874B2 (en) | 2010-04-09 | 2014-06-03 | Shell Oil Company | Methods for heating with slots in hydrocarbon formations |
| US9033042B2 (en) | 2010-04-09 | 2015-05-19 | Shell Oil Company | Forming bitumen barriers in subsurface hydrocarbon formations |
| US8875788B2 (en) | 2010-04-09 | 2014-11-04 | Shell Oil Company | Low temperature inductive heating of subsurface formations |
| US8631866B2 (en) | 2010-04-09 | 2014-01-21 | Shell Oil Company | Leak detection in circulated fluid systems for heating subsurface formations |
| US9016370B2 (en) | 2011-04-08 | 2015-04-28 | Shell Oil Company | Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment |
| MX2013012784A (es) * | 2011-05-03 | 2014-07-09 | Halliburton Energy Serv Inc | Metodo para estimar parametros de la formacion a partir de componentes imaginarias de datos medidos. |
| US9309755B2 (en) | 2011-10-07 | 2016-04-12 | Shell Oil Company | Thermal expansion accommodation for circulated fluid systems used to heat subsurface formations |
| US10047594B2 (en) | 2012-01-23 | 2018-08-14 | Genie Ip B.V. | Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation |
| AU2013348001B2 (en) * | 2012-11-20 | 2015-12-17 | Ontash & Ermac, Inc. | Intelligent spectral induced polarization measurement module |
| US9429012B2 (en) * | 2013-05-07 | 2016-08-30 | Saudi Arabian Oil Company | Downhole salinity measurement |
| WO2016183656A1 (en) * | 2015-05-21 | 2016-11-24 | Geostudi.Ca Inc. | Systems, devices, and methods for detecting coal deposits using electrical measurements |
| WO2017083059A1 (en) | 2015-11-12 | 2017-05-18 | Schlumberger Technology Corporation | Method for formation evaluation of organic shale reservoirs using well logging data |
| CN108457646B (zh) * | 2017-02-20 | 2021-07-20 | 中国石油化工股份有限公司 | 确定储层流体性质的方法 |
| CN113156516B (zh) * | 2021-04-21 | 2022-05-17 | 中南大学 | 一种采用精确极化常数的新激电方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2297828A (en) * | 1941-05-12 | 1942-10-06 | Phillips Petroleum Co | Coupling |
| US2779915A (en) * | 1952-01-08 | 1957-01-29 | Sigual Oil And Gas Company | Borehole electrodes |
| US2920266A (en) * | 1956-08-08 | 1960-01-05 | Phillips Petroleum Co | Electrical well logging |
| US2988690A (en) * | 1956-08-17 | 1961-06-13 | Newmont Mining Corp | Method and apparatus for geophysical exploration |
| US3098198A (en) * | 1958-03-18 | 1963-07-16 | Salimbeni Gherardo Bartolini | Method and apparatus for electrically logging earth formations by sensing the redox potential arising in a mud filled borehole |
| US3113265A (en) * | 1958-11-28 | 1963-12-03 | Atlantic Refining Co | Method and means of electrical prospecting using analog models and electrode impedance cancelling apparatus |
| FR1552081A (OSRAM) * | 1967-11-16 | 1969-01-03 | ||
| US3706025A (en) | 1969-12-29 | 1972-12-12 | Schlumberger Technology Corp | Induction logging methods and apparatus using more than one phase component of the received signal |
| SE352742B (OSRAM) * | 1970-01-05 | 1973-01-08 | Boliden Ab | |
| GB1375412A (OSRAM) * | 1971-03-09 | 1974-11-27 | ||
| US3895289A (en) * | 1971-12-20 | 1975-07-15 | Exxon Production Research Co | Determination of electrical resistivity due to shaliness of earth formations utilizing dielectric constant measurements |
| US3902113A (en) * | 1974-03-14 | 1975-08-26 | Texaco Inc | Means and method for inducing electrical polarization of an earth formation and for measuring the induced electrical polarization and for providing spontaneous potential correction |
| US4015195A (en) * | 1975-03-03 | 1977-03-29 | Exxon Production Research Company | Method of determining hydrocarbon saturation in shaly formations by measuring dielectric constant in first and second portions of the formations |
| US4041372A (en) * | 1975-09-08 | 1977-08-09 | Continental Oil Company | Apparatus for multi-channel induced polarization surveying |
| US4087741A (en) * | 1976-08-24 | 1978-05-02 | Standard Oil Company (Indiana) | Downhole geoelectric remote sensing method |
| US4088945A (en) * | 1976-12-23 | 1978-05-09 | Atlantic Richfield Company | Logging probe for making redox potential measurements |
| US4122387A (en) * | 1977-08-24 | 1978-10-24 | Halliburton Company | Apparatus and method for simultaneously logging an electrical characteristic of a well formation at more than one lateral distance from a borehole |
| US4236113A (en) * | 1978-04-13 | 1980-11-25 | Phillips Petroleum Company | Electrical well logging tool, having an expandable sleeve, for determining if clay is present in an earth formation |
-
1980
- 1980-01-25 US US06/115,472 patent/US4359687A/en not_active Expired - Lifetime
- 1980-12-22 CA CA000367300A patent/CA1161901A/en not_active Expired
-
1981
- 1981-01-23 FR FR8101214A patent/FR2474700A1/fr active Granted
- 1981-01-23 NO NO810232A patent/NO156265C/no unknown
- 1981-01-23 GB GB8102189A patent/GB2068563B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2068563A (en) | 1981-08-12 |
| GB2068563B (en) | 1983-11-23 |
| NO810232L (no) | 1981-07-27 |
| US4359687A (en) | 1982-11-16 |
| FR2474700A1 (fr) | 1981-07-31 |
| NO156265C (no) | 1987-08-26 |
| NO156265B (no) | 1987-05-11 |
| FR2474700B1 (OSRAM) | 1984-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1161901A (en) | Induced polarization logging | |
| US4398151A (en) | Method for correcting an electrical log for the presence of shale in a formation | |
| CA1277226C (en) | Method and apparatus for distinguishing dispersed and laminated clay in earth formations | |
| Börner et al. | Evaluation of transport and storage properties in the soil and groundwater zone from induced polarization measurements1 | |
| EP0759563B1 (en) | Apparatus and method for measuring the resistivity of underground formations | |
| CA1053755A (en) | Dielectric induction logging system for obtaining water and residual oil saturation of earth formations | |
| CA2500337A1 (en) | A method for resistivity anisotropy determination in near vertical wells | |
| US7567869B2 (en) | Induction tool for detail evaluation of near borehole zone | |
| US4786873A (en) | Method for evaluating water saturation in petroleum reservoirs from dielectric permittivity | |
| Spies | Recent developments in the use of surface electrical methods for oil and gas exploration in the Soviet Union | |
| Martin et al. | Determination of the potential productivity of oil-bearing formations by resistivity measurements | |
| Forgang et al. | A new multi-frequency array-dielectric logging service: Tool physics, field testing, and case studies in the Permian basin Wolfcamp shale | |
| US7737697B2 (en) | Method and apparatus for use of the real component of a magnetic field of multicomponent resistivity measurements | |
| US5038108A (en) | Determing parameters of a geological environment | |
| US3895289A (en) | Determination of electrical resistivity due to shaliness of earth formations utilizing dielectric constant measurements | |
| US4015195A (en) | Method of determining hydrocarbon saturation in shaly formations by measuring dielectric constant in first and second portions of the formations | |
| US7336080B2 (en) | Method and apparatus for use of the real component of a magnetic field of multicomponent resistivity measurements | |
| Ruhovets | A log analysis technique for evaluating laminated reservoirs in the Gulf Coast area | |
| Perkins Jr et al. | Interrelation of resistivity and potential of shaly reservoir rock | |
| Snyder et al. | Complex formation resistivity-the forgotten half of the resistivity log | |
| CA1045203A (en) | Method of determining hydrocarbon saturation in shally formations | |
| Keller | Electrical resistivity of rocks in the area 12 tunnels, Nevada test site, Nye County, Nevada | |
| Zaafran | Studying the effect of sandstone anisotropy on the quantitative interpretation of resistivity sounding and logging | |
| CA1043421A (en) | Method of determining hydrocarbon saturation in shaly formations | |
| Flaum | Enhancing geochemical interpretation using high vertical resolution data |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |