GB2133882B - Circuit for controlling the magnitude of amplification of signals produced by a borehole televiewer - Google Patents

Circuit for controlling the magnitude of amplification of signals produced by a borehole televiewer

Info

Publication number: GB2133882B
Authority: GB; United Kingdom
Prior art keywords: amplification; magnitude; controlling; circuit; signals produced
Prior art date: 1983-01-20
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

GB08401298A

Other versions

GB2133882A (en

GB8401298D0 (en

Inventor

Frederick Henry Kreisle Rambow

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.)

Shell Internationale Research Maatschappij BV

Original Assignee

Shell Internationale Research Maatschappij BV

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.)

1983-01-20

Filing date

1984-01-18

Publication date

1986-09-03

1984-01-18 Application filed by Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV

1984-02-22 Publication of GB8401298D0 publication Critical patent/GB8401298D0/en

1984-08-01 Publication of GB2133882A publication Critical patent/GB2133882A/en

1986-09-03 Application granted granted Critical

1986-09-03 Publication of GB2133882B publication Critical patent/GB2133882B/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
- E21B47/002—Survey of boreholes or wells by visual inspection
- E21B47/0025—Survey of boreholes or wells by visual inspection generating an image of the borehole wall using down-hole measurements, e.g. acoustic or electric
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3073—Circuits generating control signals when no carrier is present, or in SSB, CW or pulse receivers
- 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
- E21B47/002—Survey of boreholes or wells by visual inspection
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
- G01V1/52—Structural details

Landscapes

Life Sciences & Earth Sciences (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Geophysics (AREA)
Environmental & Geological Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Fluid Mechanics (AREA)
General Physics & Mathematics (AREA)
Remote Sensing (AREA)
Acoustics & Sound (AREA)
Geophysics And Detection Of Objects (AREA)
Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

GB08401298A 1983-01-20 1984-01-18 Circuit for controlling the magnitude of amplification of signals produced by a borehole televiewer Expired GB2133882B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US45944383A	1983-01-20	1983-01-20

Publications (3)

Publication Number	Publication Date
GB8401298D0 GB8401298D0 (en)	1984-02-22
GB2133882A GB2133882A (en)	1984-08-01
GB2133882B true GB2133882B (en)	1986-09-03

Family

ID=23824793

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08401298A Expired GB2133882B (en)	1983-01-20	1984-01-18	Circuit for controlling the magnitude of amplification of signals produced by a borehole televiewer

Country Status (4)

Country	Link
JP (1)	JPS59137808A (en)
CA (1)	CA1201797A (en)
FR (1)	FR2539880B1 (en)
GB (1)	GB2133882B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5212353A (en) *	1984-12-17	1993-05-18	Shell Oil Company	Transducer system for use with borehole televiewer logging tool
CA1250944A (en) *	1985-03-11	1989-03-07	Edward A. Clerke	Method for lithology detection
US4646565A (en) *	1985-07-05	1987-03-03	Atlantic Richfield Co.	Ultrasonic surface texture measurement apparatus and method
US4855965A (en) *	1986-11-26	1989-08-08	Shell Oil Company	Time ramped gain for borehole televiewer
US20030205376A1 (en)	2002-04-19	2003-11-06	Schlumberger Technology Corporation	Means and Method for Assessing the Geometry of a Subterranean Fracture During or After a Hydraulic Fracturing Treatment

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1036647A (en) *	1963-07-26	1966-07-20	Jersey Prod Res Co	Seismic amplifier
GB1109443A (en) *	1964-05-29	1968-04-10	Smiths Industries Ltd	Echo-sounding apparatus for examining strata below the sea-bed
DE1516629B2 (en) *	1965-11-29	1970-10-29	Electroacustic Gmbh, 2300 Kiel	Method and device for recording two closely spaced submarine hall signals on current-sensitive paper
US3474878A (en) *	1967-07-28	1969-10-28	Shell Oil Co	Acoustic well logging system and method for detecting fractures
US3724589A (en) *	1969-05-26	1973-04-03	Schlumberger Technology Corp	Well logging methods and apparatus
US3904971A (en) *	1971-09-29	1975-09-09	Us Navy	Automatic gain control amplifier circuit
FR2160263B1 (en) *	1971-11-16	1978-01-06	Chauchat Jean
FR2171957B1 (en) *	1972-02-17	1974-09-13	Schlumberger Prospection
GB1473345A (en) *	1973-04-26	1977-05-11	Olympus Optical Co	Automatic gain control circuit
JPS5011111A (en) *	1973-05-29	1975-02-05
US3924260A (en) *	1974-06-27	1975-12-02	Petty Ray Geophysical Inc	Method and apparatus for suppression of noise in seismic data
GB1495767A (en) *	1975-05-01	1977-12-21	Mark Products	Apparatus and method for adjusting the output of a plurality of geophones to compensate the effect of variations in the near surface character of the earth
IL51708A (en) *	1976-04-22	1979-03-12	Motorola Inc	Automatic gain control circuit
JPS5647757A (en) *	1979-09-28	1981-04-30	Hitachi Ltd	Ultrasonic probe driver
JPS6227891Y2 (en) *	1981-03-30	1987-07-17
IT1190872B (en) *	1982-06-17	1988-02-24	Sgs Microelettronica Spa	AUDIO AMPLIFICATION SYSTEM WITH INCREASE IN THE AVERAGE LISTENING POWER

1984
- 1984-01-05 CA CA000444718A patent/CA1201797A/en not_active Expired
- 1984-01-18 JP JP59007006A patent/JPS59137808A/en active Granted
- 1984-01-18 FR FR8400726A patent/FR2539880B1/en not_active Expired
- 1984-01-18 GB GB08401298A patent/GB2133882B/en not_active Expired

Also Published As

Publication number	Publication date
GB2133882A (en)	1984-08-01
GB8401298D0 (en)	1984-02-22
JPH0432961B2 (en)	1992-06-01
FR2539880A1 (en)	1984-07-27
JPS59137808A (en)	1984-08-08
CA1201797A (en)	1986-03-11
FR2539880B1 (en)	1988-03-18

Publication	Publication Date	Title
GB2088438B (en)	1984-10-31	Drilling deviated boreholes
AU3611184A (en)	1985-05-22	Orientation means for wedging assembly of a drill string
AU2983884A (en)	1985-01-10	Drilling sub
GB8417080D0 (en)	1984-08-08	Well drilling
GB8704868D0 (en)	1987-04-08	Surveying boreholes
GB2157207B (en)	1987-09-16	Undercutting drill
AU3459984A (en)	1985-05-09	Well logging while drilling
GB2104224B (en)	1985-10-30	Surveying a borehole
GB2110274B (en)	1985-07-31	Rock drilling
AU541087B2 (en)	1984-12-13	Rock drill
GB2141244B (en)	1987-03-25	Borehole gravimetry surveying
GB8803667D0 (en)	1988-03-16	Well drilling operation control procedure
AU5108279A (en)	1980-04-03	Control of drilling mud
AU1854783A (en)	1984-03-15	Surveying a borehole
GB2088437B (en)	1984-08-01	Rock drill
GB8805424D0 (en)	1988-04-07	Method of & arrangement for controlling rock drilling
GB2133882B (en)	1986-09-03	Circuit for controlling the magnitude of amplification of signals produced by a borehole televiewer
GB2139267B (en)	1986-10-01	Drilling rig
GB2045833B (en)	1983-01-12	Wellbore drilling technique
ZM885A1 (en)	1985-08-22	Drilling boom
GB8330419D0 (en)	1983-12-21	Drilling rig structures
GB2134162B (en)	1986-09-24	Directional drilling
GB8431370D0 (en)	1985-01-23	Remotely controlled hydraulic emitter
DE3479558D1 (en)	1989-10-05	A method for the control of galium aparine
GB2108185B (en)	1984-11-14	Method of boring pile holes

Legal Events

Date	Code	Title	Description
1994-09-14	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19940118