CA2618462A1 - Methods and apparatus to characterize stock-tank oil during fluid composition analysis - Google Patents
Methods and apparatus to characterize stock-tank oil during fluid composition analysis Download PDFInfo
- Publication number
- CA2618462A1 CA2618462A1 CA002618462A CA2618462A CA2618462A1 CA 2618462 A1 CA2618462 A1 CA 2618462A1 CA 002618462 A CA002618462 A CA 002618462A CA 2618462 A CA2618462 A CA 2618462A CA 2618462 A1 CA2618462 A1 CA 2618462A1
- Authority
- CA
- Canada
- Prior art keywords
- stock
- sample
- fluid
- tank oil
- oil type
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract 33
- 238000000034 method Methods 0.000 title claims abstract 30
- 230000015572 biosynthetic process Effects 0.000 claims abstract 20
- 230000003287 optical effect Effects 0.000 claims 13
- 230000009102 absorption Effects 0.000 claims 6
- 238000010521 absorption reaction Methods 0.000 claims 6
- 239000004215 Carbon black (E152) Substances 0.000 claims 5
- 229930195733 hydrocarbon Natural products 0.000 claims 5
- 150000002430 hydrocarbons Chemical class 0.000 claims 5
- 230000000694 effects Effects 0.000 claims 4
- 238000001228 spectrum Methods 0.000 claims 4
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 3
- 238000002835 absorbance Methods 0.000 claims 2
- 230000031700 light absorption Effects 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 2
- 238000000862 absorption spectrum Methods 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 claims 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/10—Locating fluid leaks, intrusions or movements
- E21B47/113—Locating fluid leaks, intrusions or movements using electrical indications; using light radiations
Abstract
Methods and apparatus to characterize stock-tank oil during fluid compositio n analysis are disclosed. A disclosed example method to characterize a fluid associated with an underground geological formation comprises obtaining a sample of the fluid associated with the underground geological formation, determining, in a borehole associated with the underground geological formation, a stock-tank oil type for the sample of the fluid associated with the underground geological formation, and determining a property of the fluid associated with the underground geological formation based on the stock-tank oil type.
Claims (32)
1. ~A method to characterize a fluid associated with an underground geological formation, the method comprising:
obtaining a sample comprising the fluid associated with the underground geological formation;
determining, in a borehole associated with the underground geological formation, a stock-tank oil type for the sample associated with the underground geological formation; and determining a property of the sample associated with the underground geological formation based on the stock-tank oil type.
obtaining a sample comprising the fluid associated with the underground geological formation;
determining, in a borehole associated with the underground geological formation, a stock-tank oil type for the sample associated with the underground geological formation; and determining a property of the sample associated with the underground geological formation based on the stock-tank oil type.
2. ~A method as defined in claim 1, wherein determining the stock-tank oil type for the fluid associated with the underground geological formation comprises:
transmitting light to the fluid;
measuring an effect on the transmitted light caused by the fluid; and comparing the measured effect to two or more reference effects for hydrocarbon types to determine the stock-tank oil type.
transmitting light to the fluid;
measuring an effect on the transmitted light caused by the fluid; and comparing the measured effect to two or more reference effects for hydrocarbon types to determine the stock-tank oil type.
3. ~A method as defined in claim 2, wherein the measured effect is a light absorption.
4. ~A method as defined in claim 1, wherein the stock-tank oil type represents a fraction of the fluid that is a waxy stock-tank oil.
5. ~A method as defined in claim 1, wherein the stock-tank oil type represents a fraction of the fluid that is a branched alkane stock-tank oil.
6. ~A method as defined in claim 1, further comprising measuring, in the borehole, an optical property of the fluid, wherein the stock-tank oil type is determined based on the optical property.
7. ~A method as defined in claim 6, wherein the optical property is measured by a grating spectrometer and a filter-array spectrometer.
8. ~A method as defined in claim 6, wherein the optical property comprise a light absorption spectrum, and further comprising normalizing the spectrum based upon the absorption measured at about 1740 nanometers.
9. ~A method as defined in claim 8 further comprising correcting the spectrum for methane content.
10. ~A method as defined in claim 1, further comprising:
measuring one or more optical densities of the fluid at one or more wavelengths; and computing a normalized live oil spectrum based on the one or more measured optical densities, wherein the stock-tank oil type is determined based on the normalized live oil spectrum.
measuring one or more optical densities of the fluid at one or more wavelengths; and computing a normalized live oil spectrum based on the one or more measured optical densities, wherein the stock-tank oil type is determined based on the normalized live oil spectrum.
11. ~A method as defined in claim 10, wherein the one or more wavelengths are between about 1725 nanometers and 1814 nanometers.
12. ~A method as defined in claim 1, wherein the property of the fluid is one of a gas-oil-ratio (GOR) value, a mass ratio and a partial density
13. ~A method as defined in claim 1, wherein the property of the fluid is representative of the composition of the fluid.
14. A method as defined in claim 1, further comprising logging at least one of the determined stock-tank oil type or the determined fluid property.
15. An apparatus to characterize a fluid associated with an underground geological formation, the apparatus comprising:
a device to obtain a sample of the fluid associated with the underground geological formation;
an optical sensor to measure an optical property of the sample of the fluid;
and an analyzer to determine a stock-tank oil type for the sample of the fluid based on the optical property.
a device to obtain a sample of the fluid associated with the underground geological formation;
an optical sensor to measure an optical property of the sample of the fluid;
and an analyzer to determine a stock-tank oil type for the sample of the fluid based on the optical property.
16. An apparatus as defined in claim 15, wherein the optical sensor is to be operated in a borehole associated with the underground geological formation.
17. An apparatus as defined in claim 15, wherein the analyzer is to determine at least one of a gas-oil-ratio or a mass ratio based on the stock-tank oil type.
18. An apparatus as defined in claim 15, wherein the stock-tank oil type represents a fraction of the sample of the fluid that is a waxy stock-tank oil.
19. An apparatus as defined in claim 15, wherein the stock-tank oil type represents a fraction of the sample of the fluid that is a branched-alkane stock-tank oil.
20. An apparatus as defined in claim 15, further comprising a grating spectrometer and a filter-array spectrometer.
21. An apparatus as defined in claim 15, wherein the optical sensor measures the optical property at a wavelength between about 1725 nanometers and 1814 nanometers.
22. A method to characterize a fluid associated with an underground geological formation, the method comprising:
obtaining a sample of the fluid associated with the underground geological formation;
detecting in situ indications of absorbance of light by the sample of the fluid;
determining a stock-tank oil type for the sample of the fluid associated with the underground geological formation based on the detected indications; and determining a property of the fluid associated with the underground geological formation based on the stock-tank oil type.
obtaining a sample of the fluid associated with the underground geological formation;
detecting in situ indications of absorbance of light by the sample of the fluid;
determining a stock-tank oil type for the sample of the fluid associated with the underground geological formation based on the detected indications; and determining a property of the fluid associated with the underground geological formation based on the stock-tank oil type.
23. A method as defined in claim 22, wherein the absorbance of the sample of the fluid is measured at at least one of a near infrared wavelength and a visible wavelength.
24. A method as defined in claim 22, wherein the stock-tank oil type represents one of a fraction of the sample of the fluid that is a waxy stock-tank oil and a branched alkane stock-tank oil.
25. A method as defined in claim 22, wherein the optical density is measured by a grating spectrometer and a filter-array spectrometer.
26. A method comprising:
transmitting light to a sample of an underground geological formation;
measuring an indication of absorption of the transmitted light by the sample;
and comparing the measured indication of absorption to two or more absorptions for respective ones of two or more hydrocarbon types to determine a parameter of the sample, wherein the two or more hydrocarbon types include at least a waxy hydrocarbon and a non-waxy hydrocarbon.
transmitting light to a sample of an underground geological formation;
measuring an indication of absorption of the transmitted light by the sample;
and comparing the measured indication of absorption to two or more absorptions for respective ones of two or more hydrocarbon types to determine a parameter of the sample, wherein the two or more hydrocarbon types include at least a waxy hydrocarbon and a non-waxy hydrocarbon.
27. A method as defined in claim 26, wherein the parameter of the sample is a stock-tank oil type.
28. A method as defined in claim 27, wherein the stock-tank oil type represents one of a fraction of the sample comprising a waxy stock-tank oil and a fraction of the sample comprising a branched alkane stock-tank oil.
29. A method as defined in claim 27, further comprising determining a second parameter of the sample based on the stock-tank oil type.
30. A method as defined in claim 29, wherein the second parameter is a gas-oil-ratio (GOR) value.
31. A method as defined in claim 26, wherein the sample is a fluid sample, and wherein measuring the indication of absorption of the light by the sample comprises measuring a portion of the light that passes through the sample.
32. A method as defined in claim 26, wherein the sample includes a surface of the underground geological formation, and wherein measuring the indication of absorption of the light by the sample comprises measuring a reflection of the light by the sample.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88640007P | 2007-01-24 | 2007-01-24 | |
| US60/886,400 | 2007-01-24 | ||
| US11/738,156 US7586087B2 (en) | 2007-01-24 | 2007-04-20 | Methods and apparatus to characterize stock-tank oil during fluid composition analysis |
| US11/738,156 | 2007-04-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2618462A1 true CA2618462A1 (en) | 2008-07-24 |
| CA2618462C CA2618462C (en) | 2012-07-24 |
Family
ID=39640144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2618462A Expired - Fee Related CA2618462C (en) | 2007-01-24 | 2008-01-17 | Methods and apparatus to characterize stock-tank oil during fluid composition analysis |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7586087B2 (en) |
| CN (1) | CN101230780B (en) |
| CA (1) | CA2618462C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8632625B2 (en) | 2010-06-17 | 2014-01-21 | Pason Systems Corporation | Method and apparatus for liberating gases from drilling fluid |
| US10668408B2 (en) | 2012-11-30 | 2020-06-02 | Suncor Energy Inc | Measurement and control of bitumen-containing process streams |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7912648B2 (en) * | 2007-10-02 | 2011-03-22 | Baker Hughes Incorporated | Method and apparatus for imaging bed boundaries using azimuthal propagation resistivity measurements |
| US8596384B2 (en) * | 2009-02-06 | 2013-12-03 | Schlumberger Technology Corporation | Reducing differential sticking during sampling |
| US8039791B2 (en) * | 2009-05-07 | 2011-10-18 | Schlumberger Technology Corporation | Downhole fluid spectroscopy |
| US8763696B2 (en) | 2010-04-27 | 2014-07-01 | Sylvain Bedouet | Formation testing |
| US9638681B2 (en) * | 2011-09-30 | 2017-05-02 | Schlumberger Technology Corporation | Real-time compositional analysis of hydrocarbon based fluid samples |
| DE102011086206A1 (en) * | 2011-11-11 | 2013-05-16 | Carl Zeiss Ag | Arrangement for determining spectral characteristics of boring fluid under influence of high temperature and mechanical loads at place of occurrence of fluid, has source for polychromatic electromagnetic radiation source and optical unit |
| US20130314695A1 (en) * | 2012-05-24 | 2013-11-28 | Halliburton Energy Services, Inc. | Spectral Analysis Techniques Based Upon Spectral Monitoring of a Matrix |
| US10794890B2 (en) * | 2013-12-19 | 2020-10-06 | Schlumberger Technology Corporation | Method of obtaining asphaltene content of crude oils |
| US9557312B2 (en) | 2014-02-11 | 2017-01-31 | Schlumberger Technology Corporation | Determining properties of OBM filtrates |
| US10731460B2 (en) | 2014-04-28 | 2020-08-04 | Schlumberger Technology Corporation | Determining formation fluid variation with pressure |
| US10352161B2 (en) | 2014-12-30 | 2019-07-16 | Schlumberger Technology Corporation | Applying shrinkage factor to real-time OBM filtrate contamination monitoring |
| CN110778315B (en) * | 2018-07-27 | 2022-08-30 | 中国石油天然气股份有限公司 | Oil well shaft degassing diagnosis method |
| CN109115653B (en) * | 2018-09-26 | 2023-03-28 | 重庆科技学院 | Tuning fork resonance crude oil water content measuring device and measuring method thereof |
| RU2702704C1 (en) * | 2019-02-28 | 2019-10-09 | Министерство науки и высшего образования Федеральное государственное бюджетное учреждение науки Институт проблем нефти и газа РАН (ИПНГ РАН) | Express method of detecting solid paraffin suspension in oil and gas condensate wells production |
| US11555402B2 (en) * | 2020-02-10 | 2023-01-17 | Halliburton Energy Services, Inc. | Split flow probe for reactive reservoir sampling |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3859851A (en) | 1973-12-12 | 1975-01-14 | Schlumberger Technology Corp | Methods and apparatus for testing earth formations |
| US4994671A (en) | 1987-12-23 | 1991-02-19 | Schlumberger Technology Corporation | Apparatus and method for analyzing the composition of formation fluids |
| US4860581A (en) | 1988-09-23 | 1989-08-29 | Schlumberger Technology Corporation | Down hole tool for determination of formation properties |
| US4936139A (en) | 1988-09-23 | 1990-06-26 | Schlumberger Technology Corporation | Down hole method for determination of formation properties |
| JP2578371B2 (en) | 1989-09-22 | 1997-02-05 | 株式会社小松製作所 | Displacement control device for variable displacement pump |
| US5167149A (en) | 1990-08-28 | 1992-12-01 | Schlumberger Technology Corporation | Apparatus and method for detecting the presence of gas in a borehole flow stream |
| US5201220A (en) | 1990-08-28 | 1993-04-13 | Schlumberger Technology Corp. | Apparatus and method for detecting the presence of gas in a borehole flow stream |
| US5331156A (en) | 1992-10-01 | 1994-07-19 | Schlumberger Technology Corporation | Method of analyzing oil and water fractions in a flow stream |
| US5859430A (en) * | 1997-04-10 | 1999-01-12 | Schlumberger Technology Corporation | Method and apparatus for the downhole compositional analysis of formation gases |
| US5939717A (en) * | 1998-01-29 | 1999-08-17 | Schlumberger Technology Corporation | Methods and apparatus for determining gas-oil ratio in a geological formation through the use of spectroscopy |
| US6964301B2 (en) * | 2002-06-28 | 2005-11-15 | Schlumberger Technology Corporation | Method and apparatus for subsurface fluid sampling |
| US7081615B2 (en) | 2002-12-03 | 2006-07-25 | Schlumberger Technology Corporation | Methods and apparatus for the downhole characterization of formation fluids |
| US6956204B2 (en) | 2003-03-27 | 2005-10-18 | Schlumberger Technology Corporation | Determining fluid properties from fluid analyzer |
| DE602004012554T2 (en) * | 2003-05-02 | 2009-04-16 | Baker-Hughes Inc., Houston | OPTICAL PROCESS AND ANALYZER |
| US6992768B2 (en) | 2003-05-22 | 2006-01-31 | Schlumberger Technology Corporation | Optical fluid analysis signal refinement |
| CN1896458B (en) * | 2005-01-11 | 2012-09-05 | 施蓝姆伯格海外股份有限公司 | System and methods of deriving fluid properties of downhole fluids and uncertainty thereof |
| US7461547B2 (en) | 2005-04-29 | 2008-12-09 | Schlumberger Technology Corporation | Methods and apparatus of downhole fluid analysis |
-
2007
- 2007-04-20 US US11/738,156 patent/US7586087B2/en active Active
-
2008
- 2008-01-17 CA CA2618462A patent/CA2618462C/en not_active Expired - Fee Related
- 2008-01-24 CN CN2008100038408A patent/CN101230780B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8632625B2 (en) | 2010-06-17 | 2014-01-21 | Pason Systems Corporation | Method and apparatus for liberating gases from drilling fluid |
| US9568419B2 (en) | 2010-06-17 | 2017-02-14 | Pason Systems Corporation | Method and apparatus for speciating hydrocarbons |
| US9651481B2 (en) | 2010-06-17 | 2017-05-16 | Pason Systems Corporation | Method and apparatus for liberating gases from drilling fluid |
| US10180396B2 (en) | 2010-06-17 | 2019-01-15 | Parson Systems Corporation | Method and apparatus for speciating hydrocarbons |
| US10668408B2 (en) | 2012-11-30 | 2020-06-02 | Suncor Energy Inc | Measurement and control of bitumen-containing process streams |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2618462C (en) | 2012-07-24 |
| CN101230780A (en) | 2008-07-30 |
| CN101230780B (en) | 2013-08-21 |
| US7586087B2 (en) | 2009-09-08 |
| US20080173445A1 (en) | 2008-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20180117 |