GB2403547B - Method and apparatus for measuring flow velocity in a wellbore - Google Patents
Method and apparatus for measuring flow velocity in a wellboreInfo
- Publication number
- GB2403547B GB2403547B GB0409449A GB0409449A GB2403547B GB 2403547 B GB2403547 B GB 2403547B GB 0409449 A GB0409449 A GB 0409449A GB 0409449 A GB0409449 A GB 0409449A GB 2403547 B GB2403547 B GB 2403547B
- Authority
- GB
- United Kingdom
- Prior art keywords
- wellbore
- flow velocity
- measuring flow
- measuring
- velocity
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
- G01N24/081—Making measurements of geologic samples, e.g. measurements of moisture, pH, porosity, permeability, tortuosity or viscosity
-
- 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
- G01V3/32—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electron or nuclear magnetic resonance
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Signal Processing (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Geochemistry & Mineralogy (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/951,914 US6528995B1 (en) | 2001-09-10 | 2001-09-10 | Methods and apparatus for measuring flow velocity in a wellbore using NMR and applications using same |
GB0220004A GB2384315B (en) | 2001-09-10 | 2002-08-29 | Methods and apparatus for measuring flow velocity in a wellbore using nmr and applications using same |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0409449D0 GB0409449D0 (en) | 2004-06-02 |
GB2403547A GB2403547A (en) | 2005-01-05 |
GB2403547B true GB2403547B (en) | 2006-03-22 |
Family
ID=33542653
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0409449A Expired - Fee Related GB2403547B (en) | 2001-09-10 | 2002-08-29 | Method and apparatus for measuring flow velocity in a wellbore |
GB0409427A Expired - Fee Related GB2403544B (en) | 2001-09-10 | 2002-08-29 | Method and apparatus for measuring flow velocity in a wellbore |
GB0409440A Expired - Fee Related GB2403545B (en) | 2001-09-10 | 2002-08-29 | Method and apparatus for measuring formation pressure of an earth formation |
GB0409442A Expired - Fee Related GB2403546B (en) | 2001-09-10 | 2002-08-29 | Methods and apparatus for measuring permeability of a formatio |
GB0409453A Expired - Fee Related GB2403548B (en) | 2001-09-10 | 2002-08-29 | Methods and apparatus for measuring mud filtration rate of a wllbore in an earth formation |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0409427A Expired - Fee Related GB2403544B (en) | 2001-09-10 | 2002-08-29 | Method and apparatus for measuring flow velocity in a wellbore |
GB0409440A Expired - Fee Related GB2403545B (en) | 2001-09-10 | 2002-08-29 | Method and apparatus for measuring formation pressure of an earth formation |
GB0409442A Expired - Fee Related GB2403546B (en) | 2001-09-10 | 2002-08-29 | Methods and apparatus for measuring permeability of a formatio |
GB0409453A Expired - Fee Related GB2403548B (en) | 2001-09-10 | 2002-08-29 | Methods and apparatus for measuring mud filtration rate of a wllbore in an earth formation |
Country Status (1)
Country | Link |
---|---|
GB (5) | GB2403547B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7372263B2 (en) | 2005-11-23 | 2008-05-13 | Baker Hughes Incorporated | Apparatus and method for measuring cased hole fluid flow with NMR |
US7528600B2 (en) | 2006-12-08 | 2009-05-05 | Schlumberger Technology Corporation | System and method for downhole time-of-flight sensing, remote NMR detection of fluid flow in rock formations |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4621234A (en) * | 1983-12-05 | 1986-11-04 | Lovelace Medical Foundation | Pulsed NMR flow measurement |
EP0479509A1 (en) * | 1990-09-29 | 1992-04-08 | Btg International Limited | Method and apparatus for measuring fluid transport properties through porous media by NMR imaging |
US5428291A (en) * | 1993-07-01 | 1995-06-27 | Exxon Research And Engineering Company | Determination of fluid transport properties in porous media by nuclear magnetic resonance measurements of fluid flow |
US6133735A (en) * | 1997-09-25 | 2000-10-17 | Schlumberger Technology Corporation | Magnetic resonance logging method and apparatus |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4536711A (en) * | 1983-05-05 | 1985-08-20 | Southwest Research Institute | Method and apparatus for measuring flow in a pipe or conduit |
US5387865A (en) * | 1991-09-20 | 1995-02-07 | Exxon Research And Engineering Company | Permeability determination from NMR relaxation measurements for fluids in porous media |
US6047239A (en) * | 1995-03-31 | 2000-04-04 | Baker Hughes Incorporated | Formation testing apparatus and method |
US6566874B1 (en) * | 1998-07-30 | 2003-05-20 | Schlumberger Technology Corporation | Detecting tool motion effects on nuclear magnetic resonance measurements |
WO2002008570A1 (en) * | 2000-07-20 | 2002-01-31 | Baker Hughes Incorporated | Drawdown apparatus and method for in-situ analysis of formation fluids |
US6603310B2 (en) * | 2001-06-29 | 2003-08-05 | Baker Hughes Incorporated | Method for correcting downhole NMR data contaminated by borehole signals |
-
2002
- 2002-08-29 GB GB0409449A patent/GB2403547B/en not_active Expired - Fee Related
- 2002-08-29 GB GB0409427A patent/GB2403544B/en not_active Expired - Fee Related
- 2002-08-29 GB GB0409440A patent/GB2403545B/en not_active Expired - Fee Related
- 2002-08-29 GB GB0409442A patent/GB2403546B/en not_active Expired - Fee Related
- 2002-08-29 GB GB0409453A patent/GB2403548B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4621234A (en) * | 1983-12-05 | 1986-11-04 | Lovelace Medical Foundation | Pulsed NMR flow measurement |
EP0479509A1 (en) * | 1990-09-29 | 1992-04-08 | Btg International Limited | Method and apparatus for measuring fluid transport properties through porous media by NMR imaging |
US5428291A (en) * | 1993-07-01 | 1995-06-27 | Exxon Research And Engineering Company | Determination of fluid transport properties in porous media by nuclear magnetic resonance measurements of fluid flow |
US6133735A (en) * | 1997-09-25 | 2000-10-17 | Schlumberger Technology Corporation | Magnetic resonance logging method and apparatus |
Also Published As
Publication number | Publication date |
---|---|
GB2403545A (en) | 2005-01-05 |
GB2403545B (en) | 2005-10-19 |
GB0409427D0 (en) | 2004-06-02 |
GB2403548A (en) | 2005-01-05 |
GB0409453D0 (en) | 2004-06-02 |
GB2403547A (en) | 2005-01-05 |
GB2403544A (en) | 2005-01-05 |
GB2403546B (en) | 2005-10-19 |
GB0409449D0 (en) | 2004-06-02 |
GB2403544B (en) | 2005-10-19 |
GB2403546A (en) | 2005-01-05 |
GB0409442D0 (en) | 2004-06-02 |
GB2403548B (en) | 2005-10-19 |
GB0409440D0 (en) | 2004-06-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20170829 |