DK169383A - Fremgangsmaade ved og anlaeg til undersoegelse af jordformationer - Google Patents

Fremgangsmaade ved og anlaeg til undersoegelse af jordformationer Download PDF

Info

Publication number: DK169383A
Authority: DK; Denmark
Prior art keywords: procedures; installation; equipment
Prior art date: 1982-04-30

Application number

DK169383A

Other languages

English (en)

Other versions

DK169383D0 (da

Inventor

Jr Wade Murwell Johnson

Jorg August Angehrn

Original Assignee

Dresser Ind

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.)

1982-04-30

Filing date

1983-04-18

Publication date

1983-10-31

1983-04-18 Application filed by Dresser Ind filed Critical Dresser Ind

1983-04-18 Publication of DK169383D0 publication Critical patent/DK169383D0/da

1983-10-31 Publication of DK169383A publication Critical patent/DK169383A/da

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
- G01V3/34—Transmitting data to recording or processing apparatus; Recording data
- 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
- G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
- G01V3/24—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current using AC

Landscapes

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

DK169383A 1982-04-30 1983-04-18 Fremgangsmaade ved og anlaeg til undersoegelse af jordformationer DK169383A (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/373,776 US4514809A (en)	1982-04-30	1982-04-30	Dynamic range control of electrode pad current in well logging tools

Publications (2)

Publication Number	Publication Date
DK169383D0 DK169383D0 (da)	1983-04-18
DK169383A true DK169383A (da)	1983-10-31

Family

ID=23473845

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK169383A DK169383A (da)	1982-04-30	1983-04-18	Fremgangsmaade ved og anlaeg til undersoegelse af jordformationer

Country Status (5)

Country	Link
US (1)	US4514809A (da)
EP (1)	EP0093260A1 (da)
CA (1)	CA1199063A (da)
DK (1)	DK169383A (da)
NO (1)	NO831085L (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4718027A (en) *	1985-10-28	1988-01-05	Halliburton Company	Dynamically adjustable linear data discriminator
US4926937A (en) *	1989-06-08	1990-05-22	Western Atlas International, Inc.	Compound linkage-arm assembly for use in bore-hole tools
US5236048A (en) *	1991-12-10	1993-08-17	Halliburton Company	Apparatus and method for communicating electrical signals in a well, including electrical coupling for electric circuits therein
US5682099A (en) *	1994-03-14	1997-10-28	Baker Hughes Incorporated	Method and apparatus for signal bandpass sampling in measurement-while-drilling applications
US5519668A (en) *	1994-05-26	1996-05-21	Schlumberger Technology Corporation	Methods and devices for real-time formation imaging through measurement while drilling telemetry
FR2807524B1 (fr) *	2000-04-07	2002-06-28	Schlumberger Services Petrol	Procede et dispositif d'investigation de la paroi d'un trou de forage
CN114778948A (zh) *	2022-06-17	2022-07-22	中铁大桥科学研究院有限公司	动水隧道岩体电阻率监测方法及相关设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2712627A (en) *	1950-05-12	1955-07-05	Schlumberger Well Surv Corp	Electrical resistivity well logging method and apparatus
US2922102A (en) *	1956-04-10	1960-01-19	Schlumberger Well Surv Corp	Electrical well logging
US3205433A (en) *	1958-06-20	1965-09-07	Dresser Ind	Electrical logging system for establishing a plurality of electrical fields, sampling the established fields and transmitting the samples on a timesharing basis
US3105190A (en) *	1959-11-30	1963-09-24	Dresser Ind	Induction logging system utilizing surface reciprocal producing means
US3056917A (en) *	1959-11-30	1962-10-02	Schlumberger Well Surv Corp	Methods and apparatus for investigating earth formations
US3405351A (en) *	1966-11-22	1968-10-08	Schlumberger Technology Corp	Methods and apparatus for averaging well logging measurements
FR2082203A6 (da) *	1970-03-06	1971-12-10	Schlumberger Prospection
US3790910A (en) *	1972-04-21	1974-02-05	Garrett Corp	Conditioning circuit and method for variable frequency sensor
US3947756A (en) *	1974-02-01	1976-03-30	Jury Samuilovich Ryss	Device for geophysical prospecting of ore deposits
US4399416A (en) *	1980-11-10	1983-08-16	Texaco Development Corporation	Floating point amplifier
US4439831A (en) *	1981-06-08	1984-03-27	Schlumberger Technical Corporation	Digital induction logging system including autocalibration

1982
- 1982-04-30 US US06/373,776 patent/US4514809A/en not_active Expired - Fee Related
1983
- 1983-03-22 EP EP83102847A patent/EP0093260A1/en not_active Withdrawn
- 1983-03-23 CA CA000424223A patent/CA1199063A/en not_active Expired
- 1983-03-25 NO NO831085A patent/NO831085L/no unknown
- 1983-04-18 DK DK169383A patent/DK169383A/da not_active IP Right Cessation

Also Published As

Publication number	Publication date
US4514809A (en)	1985-04-30
NO831085L (no)	1983-10-31
DK169383D0 (da)	1983-04-18
CA1199063A (en)	1986-01-07
EP0093260A1 (en)	1983-11-09

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Legal Events

Date	Code	Title
1985-01-01	ATS	Application withdrawn
1994-10-17	B1	Patent granted (law 1993)
1999-08-23	PBP	Patent lapsed