GB2322198B - A borehole measurement system employing electromagnetic wave propagation - Google Patents

A borehole measurement system employing electromagnetic wave propagation

Info

Publication number: GB2322198B
Authority: GB; United Kingdom
Prior art keywords: electromagnetic wave; measurement system; wave propagation; system employing; employing electromagnetic
Prior art date: 1994-03-11
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 - Lifetime

Application number

GB9810145A

Other versions

GB9810145D0 (en

GB2322198A (en

Inventor

Larry W Thompson

Macmillan Morgan Wisler

Wallace Harold Meyer Jr

Jian-Qun Wu

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Baker Hughes Holdings LLC

Original Assignee

Baker Hughes Inc

Priority date (The priority date 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 date listed.)

1994-03-11

Filing date

1995-03-07

Publication date

1998-10-07

1994-03-11 Priority claimed from US08/212,194 external-priority patent/US5469062A/en

1994-03-14 Priority claimed from US08/214,343 external-priority patent/US5574374A/en

1994-03-14 Priority claimed from US08/214,916 external-priority patent/US5811972A/en

1995-03-07 Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc

1995-03-07 Priority claimed from GB9618314A external-priority patent/GB2301442B/en

1998-07-08 Publication of GB9810145D0 publication Critical patent/GB9810145D0/en

1998-08-19 Publication of GB2322198A publication Critical patent/GB2322198A/en

1998-10-07 Application granted granted Critical

1998-10-07 Publication of GB2322198B publication Critical patent/GB2322198B/en

2015-03-07 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- G01V3/30—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

Landscapes

Physics & Mathematics (AREA)
Life Sciences & Earth Sciences (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Geology (AREA)
Remote Sensing (AREA)
General Life Sciences & Earth Sciences (AREA)
General Physics & Mathematics (AREA)
Geophysics (AREA)
Geophysics And Detection Of Objects (AREA)

GB9810145A 1994-03-11 1995-03-07 A borehole measurement system employing electromagnetic wave propagation Expired - Lifetime GB2322198B (en)

Applications Claiming Priority (8)

Application Number	Priority Date	Filing Date	Title
US08/212,194 US5469062A (en)	1994-03-11	1994-03-11	Multiple depths and frequencies for simultaneous inversion of electromagnetic borehole measurements
US21226994A	1994-03-14	1994-03-14
US21210294A	1994-03-14	1994-03-14
US21221294A	1994-03-14	1994-03-14
US21225794A	1994-03-14	1994-03-14
US08/214,343 US5574374A (en)	1991-04-29	1994-03-14	Method and apparatus for interrogating a borehole and surrounding formation utilizing digitally controlled oscillators
US08/214,916 US5811972A (en)	1991-04-29	1994-03-14	Method and apparatus for determining influence of mutual magnetic coupling in electromagnetic propagation tools
GB9618314A GB2301442B (en)	1994-03-11	1995-03-07	A borehole measurement system employing electromagnetic wave propagation

Publications (3)

Publication Number	Publication Date
GB9810145D0 GB9810145D0 (en)	1998-07-08
GB2322198A GB2322198A (en)	1998-08-19
GB2322198B true GB2322198B (en)	1998-10-07

Family

ID=27571331

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB9810145A Expired - Lifetime GB2322198B (en)	1994-03-11	1995-03-07	A borehole measurement system employing electromagnetic wave propagation
GB9810146A Expired - Lifetime GB2322199B (en)	1994-03-11	1995-03-07	A borehole measurement system employing electromagnetic wave propagation

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB9810146A Expired - Lifetime GB2322199B (en)	1994-03-11	1995-03-07	A borehole measurement system employing electromagnetic wave propagation

Country Status (1)

Country	Link
GB (2)	GB2322198B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2017074295A1 (en) *	2015-10-26	2017-05-04	Halliburton Energy Services, Inc.	Frequency ratiometric processing of resistivity logging tool data
US11149538B2 (en)	2018-03-01	2021-10-19	Baker Hughes, A Ge Company, Llc	Systems and methods for determining bending of a drilling tool, the drilling tool having electrical conduit
CN114737961B (en) *	2022-04-15	2023-02-28	中国科学院地质与地球物理研究所	Device and method for measuring orientation electromagnetic wave resistivity while drilling

1995
- 1995-03-07 GB GB9810145A patent/GB2322198B/en not_active Expired - Lifetime
- 1995-03-07 GB GB9810146A patent/GB2322199B/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB9810145D0 (en)	1998-07-08
GB9810146D0 (en)	1998-07-08
GB2322198A (en)	1998-08-19
GB2322199B (en)	1998-10-07
GB2322199A (en)	1998-08-19

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Legal Events

Date	Code	Title	Description
2015-04-01	PE20	Patent expired after termination of 20 years	Expiry date: 20150306