Formation resistivity measurements from within a cased well used to quantitatively determine the amount of oil and gas present
Abstract
Methods to quantitatively determine the separate amounts of oil and gas in a geological formation adjacent to a cased well using measurements of formation resistivity. The steps include obtaining resistivity measurements from within a cased well of a given formation, obtaining the porosity, obtaining the resistivity of formation water present, computing the combined amounts of oil and gas present using Archie's Equations, determining the relative amounts of oil and gas present from measurements within a cased well, and then quantitatively determining the separate amounts of oil and gas present in the formation. Resistivity measurements are obtained from within the cased well by conducting A.C. current from within the cased well to a remote electrode at a frequency that is within the frequency range of 0.1 Hz to 20 Hz.
- Inventors:
-
- (Bothell, WA)
- Issue Date:
- Research Org.:
- ParaMagnetic Logging, Inc. (Bothell, WA)
- OSTI Identifier:
- 873428
- Patent Number(s):
- 6157195
- Assignee:
- Western Atlas International, Inc. (Houston, TX)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01V - GEOPHYSICS
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02A - TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- DOE Contract Number:
- FG06-84ER13294
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- formation; resistivity; measurements; cased; quantitatively; determine; amount; oil; gas; methods; separate; amounts; geological; adjacent; steps; obtaining; porosity; water; computing; combined; archie; equations; determining; relative; obtained; conducting; current; remote; electrode; frequency; range; hz; 20; frequency range; formation resistivity; geological formation; resistivity measurements; formation adjacent; quantitatively determining; quantitatively determine; relative amounts; separate amounts; rate amounts; relative amount; /324/
Citation Formats
Vail, III, William Banning. Formation resistivity measurements from within a cased well used to quantitatively determine the amount of oil and gas present. United States: N. p., 2000.
Web.
Vail, III, William Banning. Formation resistivity measurements from within a cased well used to quantitatively determine the amount of oil and gas present. United States.
Vail, III, William Banning. Sat .
"Formation resistivity measurements from within a cased well used to quantitatively determine the amount of oil and gas present". United States. https://www.osti.gov/servlets/purl/873428.
@article{osti_873428,
title = {Formation resistivity measurements from within a cased well used to quantitatively determine the amount of oil and gas present},
author = {Vail, III, William Banning},
abstractNote = {Methods to quantitatively determine the separate amounts of oil and gas in a geological formation adjacent to a cased well using measurements of formation resistivity. The steps include obtaining resistivity measurements from within a cased well of a given formation, obtaining the porosity, obtaining the resistivity of formation water present, computing the combined amounts of oil and gas present using Archie's Equations, determining the relative amounts of oil and gas present from measurements within a cased well, and then quantitatively determining the separate amounts of oil and gas present in the formation. Resistivity measurements are obtained from within the cased well by conducting A.C. current from within the cased well to a remote electrode at a frequency that is within the frequency range of 0.1 Hz to 20 Hz.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2000},
month = {1}
}
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