GB2158587B - Detection and correction of magnetic interference in the surveying of boreholes - Google Patents

Detection and correction of magnetic interference in the surveying of boreholes

Info

Publication number: GB2158587B
Authority: GB; United Kingdom
Prior art keywords: boreholes; surveying; correction; detection; magnetic interference
Prior art date: 1984-05-09
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

Application number

GB08511706A

Other versions

GB8511706D0 (en

GB2158587A (en

Inventor

Martin Cobern

Frederick Stone

Edmund Hamlin

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.)

Teleco Oilfield Services Inc

Original Assignee

Teleco Oilfield Services 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.)

1984-05-09

Filing date

1985-05-09

Publication date

1988-01-27

1985-05-09 Application filed by Teleco Oilfield Services Inc filed Critical Teleco Oilfield Services Inc

1985-06-19 Publication of GB8511706D0 publication Critical patent/GB8511706D0/en

1985-11-13 Publication of GB2158587A publication Critical patent/GB2158587A/en

1988-01-27 Application granted granted Critical

1988-01-27 Publication of GB2158587B publication Critical patent/GB2158587B/en

Status Expired legal-status Critical Current

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
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism

Landscapes

Physics & Mathematics (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Geophysics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geophysics And Detection Of Objects (AREA)

GB08511706A 1984-05-09 1985-05-09 Detection and correction of magnetic interference in the surveying of boreholes Expired GB2158587B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US60836584A	1984-05-09	1984-05-09

Publications (3)

Publication Number	Publication Date
GB8511706D0 GB8511706D0 (en)	1985-06-19
GB2158587A GB2158587A (en)	1985-11-13
GB2158587B true GB2158587B (en)	1988-01-27

Family

ID=24436165

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08511706A Expired GB2158587B (en)	1984-05-09	1985-05-09	Detection and correction of magnetic interference in the surveying of boreholes

Country Status (6)

Country	Link
CA (1)	CA1240499A (en)
DK (1)	DK197185A (en)
FR (1)	FR2564135B1 (en)
GB (1)	GB2158587B (en)
NL (1)	NL8501322A (en)
NO (1)	NO851823L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9863783B1 (en)	2016-10-12	2018-01-09	Gyrodata, Incorporated	Correction of rotation rate measurements

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4510696A (en) *	1983-07-20	1985-04-16	Nl Industries, Inc.	Surveying of boreholes using shortened non-magnetic collars
GB8601523D0 (en) *	1986-01-22	1986-02-26	Sperry Sun Inc	Surveying of boreholes
DE4101348C2 (en) *	1991-01-18	1994-07-14	Bergwerksverband Gmbh	Device for determining the direction of a target boring bar with respect to the magnetic north direction
US5155916A (en) *	1991-03-21	1992-10-20	Scientific Drilling International	Error reduction in compensation of drill string interference for magnetic survey tools
US5321893A (en) *	1993-02-26	1994-06-21	Scientific Drilling International	Calibration correction method for magnetic survey tools
CA2134191C (en) *	1993-11-17	2002-12-24	Andrew Goodwin Brooks	Method of correcting for axial and transverse error components in magnetometer readings during wellbore survey operations
US5452518A (en) *	1993-11-19	1995-09-26	Baker Hughes Incorporated	Method of correcting for axial error components in magnetometer readings during wellbore survey operations
GB9518990D0 (en) *	1995-09-16	1995-11-15	Baroid Technology Inc	Borehole surveying
GB2314163A (en) *	1996-06-14	1997-12-17	Western Atlas Int Inc	Orientation measurement instruments
EP1126129A1 (en) *	2000-02-18	2001-08-22	Brownline B.V.	Guidance system for horizontal drilling
US6539639B2 (en) *	2000-12-06	2003-04-01	Honeywell International Inc.	Monitoring accuracy of an electronic compass
GB2415446B (en) *	2004-06-21	2009-04-08	Halliburton Energy Serv Inc	Wellbore surveying

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1578053A (en) *	1977-02-25	1980-10-29	Russell Attitude Syst Ltd	Surveying of boreholes

1985
- 1985-05-02 DK DK197185A patent/DK197185A/en not_active Application Discontinuation
- 1985-05-02 FR FR8506655A patent/FR2564135B1/en not_active Expired
- 1985-05-08 CA CA000481069A patent/CA1240499A/en not_active Expired
- 1985-05-08 NO NO851823A patent/NO851823L/en unknown
- 1985-05-09 NL NL8501322A patent/NL8501322A/en not_active Application Discontinuation
- 1985-05-09 GB GB08511706A patent/GB2158587B/en not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9863783B1 (en)	2016-10-12	2018-01-09	Gyrodata, Incorporated	Correction of rotation rate measurements
US10309799B2 (en)	2016-10-12	2019-06-04	Gyrodata, Incorporated	Correction of rotation rate measurements

Also Published As

Publication number	Publication date
DK197185D0 (en)	1985-05-02
DK197185A (en)	1985-11-10
FR2564135A1 (en)	1985-11-15
NL8501322A (en)	1985-12-02
GB8511706D0 (en)	1985-06-19
FR2564135B1 (en)	1989-01-06
GB2158587A (en)	1985-11-13
NO851823L (en)	1985-11-11
CA1240499A (en)	1988-08-16

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Legal Events

Date	Code	Title	Description
1998-01-07	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19970509