IE831875L - Determining characteristics of subsurface formations - Google Patents
Determining characteristics of subsurface formationsInfo
- Publication number
- IE831875L IE831875L IE831875A IE187583A IE831875L IE 831875 L IE831875 L IE 831875L IE 831875 A IE831875 A IE 831875A IE 187583 A IE187583 A IE 187583A IE 831875 L IE831875 L IE 831875L
- Authority
- IE
- Ireland
- Prior art keywords
- water
- formations
- conductivity
- composite
- bound
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title abstract 11
- 238000005755 formation reaction Methods 0.000 title abstract 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 13
- 239000002131 composite material Substances 0.000 abstract 7
- 239000008398 formation water Substances 0.000 abstract 4
- 235000015076 Shorea robusta Nutrition 0.000 abstract 2
- 244000166071 Shorea robusta Species 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 238000013459 approach Methods 0.000 abstract 1
- 239000004927 clay Substances 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- 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
- G01V3/30—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electromagnetic waves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Pipeline Systems (AREA)
Abstract
The determination of a "composite" parameter of the formation water in formations surrounding a borehole, for example the composite conductivity of the formation water, is used to obtain a relatively accurate determination of formation characteristics, such as water saturation. The determined values are meaningful even in shaly regions of the formations. In contrast to past approaches which attempted to determine the volume of shale or clay present in the formations and then introduce appropriate factors which often involve substantial guesswork, the disclosed technique determines a composite water parameter, for example a composite water conductivity, which represents the conductivity of the bulk water in the formations, including both free water and bound water. Bound water trapped in shales is accounted for in this determination, so unlike prior techniques, the shales can be considered as having a porosity. Having determined the composite water conductivity, water saturation can be directly obtained using relatively straightforward relationships which do not require estimates of the volume of shale in the formations. Shale effects are accounted for by the different conductivities (or other parameter such as capture cross sections) of the formation water constituents (free and bound) which make up the total water. In apparatus for determining the composite conductivity of the formation water in formations surrounding a borehole, a first quantity is derived as being representative of the free water conductivity in the formations. A second quantity, representative of the fraction of bound water in the formations, is also derived. A third quantity, representative of the conductivity of the bound water in the formations is also derived. The composite parameter is then determined as a function of the first, second and third quantities.
[GB2013941A]
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE1875/83A IE48034B1 (en) | 1977-10-07 | 1978-10-03 | Apparatus and method for determining characteristics of subsurface formations |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84200577A | 1977-10-07 | 1977-10-07 | |
IE1875/83A IE48034B1 (en) | 1977-10-07 | 1978-10-03 | Apparatus and method for determining characteristics of subsurface formations |
Publications (2)
Publication Number | Publication Date |
---|---|
IE831875L true IE831875L (en) | 1979-04-07 |
IE48034B1 IE48034B1 (en) | 1984-09-05 |
Family
ID=25286297
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE1875/83A IE48034B1 (en) | 1977-10-07 | 1978-10-03 | Apparatus and method for determining characteristics of subsurface formations |
IE1980/78A IE48033B1 (en) | 1977-10-07 | 1978-10-03 | Apparatus and method for determining characteristics of subsurface formations |
IE1876/83A IE48035B1 (en) | 1977-10-07 | 1978-10-03 | Apparatus and method for determining characteristics of subsurface formations |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE1980/78A IE48033B1 (en) | 1977-10-07 | 1978-10-03 | Apparatus and method for determining characteristics of subsurface formations |
IE1876/83A IE48035B1 (en) | 1977-10-07 | 1978-10-03 | Apparatus and method for determining characteristics of subsurface formations |
Country Status (14)
Country | Link |
---|---|
AU (1) | AU529348B2 (en) |
BR (1) | BR7806647A (en) |
CA (1) | CA1120543A (en) |
DE (1) | DE2843871A1 (en) |
EG (1) | EG13723A (en) |
FR (1) | FR2405487B1 (en) |
GB (3) | GB2092783B (en) |
IE (3) | IE48034B1 (en) |
MX (1) | MX145183A (en) |
MY (3) | MY8500187A (en) |
NL (1) | NL7810079A (en) |
NO (1) | NO783345L (en) |
OA (1) | OA08260A (en) |
TR (1) | TR20684A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2742794B1 (en) * | 1995-12-22 | 1998-01-30 | Inst Francais Du Petrole | METHOD FOR MODELING THE EFFECTS OF WELL INTERACTIONS ON THE AQUEOUS FRACTION PRODUCED BY AN UNDERGROUND HYDROCARBON DEPOSIT |
EP2895893A1 (en) | 2012-09-13 | 2015-07-22 | Chevron U.S.A. Inc. | System and method for performing simultaneous petrophysical analysis of composition and texture of rock formations |
CN114862113B (en) * | 2022-04-01 | 2024-08-20 | 中国石油大学(华东) | Method for establishing three-water-component-difference parallel-connection conductive water saturation model |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2689329A (en) * | 1950-10-12 | 1954-09-14 | Socony Vacuum Oil Co Inc | Dielectric well logging system |
US3675121A (en) * | 1970-06-26 | 1972-07-04 | Chevron Res | Dielectric constant measurement method |
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 |
US3748474A (en) * | 1971-12-27 | 1973-07-24 | Amoco Prod Co | Method of logging a sub-surface formation |
FR2228228A1 (en) * | 1973-05-01 | 1974-11-29 | Schlumberger Prospection | Diagraphy data treatment - for evaluating the hydrocarbon content of underground formations from the water saturation and porosity |
US4009434A (en) * | 1974-12-09 | 1977-02-22 | Texaco Inc. | Dielectric induction logging system for obtaining water and residual oil saturation of earth formations |
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 |
US4052893A (en) * | 1976-09-29 | 1977-10-11 | Standard Oil Company (Indiana) | Measuring reservoir oil saturation |
US4158165A (en) * | 1977-06-16 | 1979-06-12 | Schlumberger Technology Corporation | Apparatus and method for determining subsurface formation properties |
-
1978
- 1978-09-25 AU AU40178/78A patent/AU529348B2/en not_active Expired
- 1978-10-03 IE IE1875/83A patent/IE48034B1/en unknown
- 1978-10-03 NO NO783345A patent/NO783345L/en unknown
- 1978-10-03 IE IE1980/78A patent/IE48033B1/en unknown
- 1978-10-03 IE IE1876/83A patent/IE48035B1/en unknown
- 1978-10-05 FR FR7828446A patent/FR2405487B1/en not_active Expired
- 1978-10-05 MX MX175130A patent/MX145183A/en unknown
- 1978-10-06 CA CA000312820A patent/CA1120543A/en not_active Expired
- 1978-10-06 TR TR20684A patent/TR20684A/en unknown
- 1978-10-06 NL NL7810079A patent/NL7810079A/en not_active Application Discontinuation
- 1978-10-06 BR BR7806647A patent/BR7806647A/en unknown
- 1978-10-07 DE DE19782843871 patent/DE2843871A1/en not_active Withdrawn
- 1978-10-07 OA OA56630A patent/OA08260A/en unknown
- 1978-10-08 EG EG591/78A patent/EG13723A/en active
- 1978-10-09 GB GB8111490A patent/GB2092783B/en not_active Expired
- 1978-10-09 GB GB8111491A patent/GB2092784B/en not_active Expired
- 1978-10-09 GB GB7839869A patent/GB2013941B/en not_active Expired
-
1985
- 1985-12-30 MY MY187/85A patent/MY8500187A/en unknown
- 1985-12-30 MY MY172/85A patent/MY8500172A/en unknown
- 1985-12-30 MY MY171/85A patent/MY8500171A/en unknown
Also Published As
Publication number | Publication date |
---|---|
IE48034B1 (en) | 1984-09-05 |
TR20684A (en) | 1982-05-04 |
IE48035B1 (en) | 1984-09-05 |
MY8500187A (en) | 1985-12-31 |
IE48033B1 (en) | 1984-09-05 |
NL7810079A (en) | 1979-04-10 |
MX145183A (en) | 1982-01-12 |
MY8500171A (en) | 1985-12-31 |
IE781980L (en) | 1979-04-07 |
GB2092783A (en) | 1982-08-18 |
AU4017878A (en) | 1980-04-03 |
OA08260A (en) | 1987-10-30 |
GB2092784A (en) | 1982-08-18 |
NO783345L (en) | 1979-04-10 |
FR2405487A1 (en) | 1979-05-04 |
FR2405487B1 (en) | 1985-10-11 |
GB2092784B (en) | 1983-01-06 |
AU529348B2 (en) | 1983-06-02 |
MY8500172A (en) | 1985-12-31 |
CA1120543A (en) | 1982-03-23 |
GB2092783B (en) | 1982-12-15 |
IE831876L (en) | 1979-04-07 |
GB2013941A (en) | 1979-08-15 |
BR7806647A (en) | 1979-05-08 |
GB2013941B (en) | 1982-12-22 |
EG13723A (en) | 1983-12-31 |
DE2843871A1 (en) | 1979-04-19 |
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