GB2252992B - Downhole tool - Google Patents

Downhole tool

Info

Publication number: GB2252992B
Authority: GB; United Kingdom
Prior art keywords: downhole tool; downhole; tool
Prior art date: 1991-02-22
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

GB9103699A

Other versions

GB2252992A (en

GB9103699D0 (en

Inventor

Frank A S Innes

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.)

Halliburton Logging Services Inc

Original Assignee

Halliburton Logging 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.)

1991-02-22

Filing date

1991-02-22

Publication date

1994-11-02

1991-02-22 Application filed by Halliburton Logging Services Inc filed Critical Halliburton Logging Services Inc

1991-02-22 Priority to GB9103699A priority Critical patent/GB2252992B/en

1991-04-10 Publication of GB9103699D0 publication Critical patent/GB9103699D0/en

1992-08-26 Publication of GB2252992A publication Critical patent/GB2252992A/en

1994-11-02 Application granted granted Critical

1994-11-02 Publication of GB2252992B publication Critical patent/GB2252992B/en

2011-02-22 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
- E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
- 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
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
- E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
- E21B47/20—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry by modulation of mud waves, e.g. by continuous modulation

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Life Sciences & Earth Sciences (AREA)
Mining & Mineral Resources (AREA)
Geology (AREA)
Remote Sensing (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
Geophysics (AREA)
Acoustics & Sound (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)

GB9103699A 1991-02-22 1991-02-22 Downhole tool Expired - Lifetime GB2252992B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9103699A GB2252992B (en)	1991-02-22	1991-02-22	Downhole tool

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9103699A GB2252992B (en)	1991-02-22	1991-02-22	Downhole tool

Publications (3)

Publication Number	Publication Date
GB9103699D0 GB9103699D0 (en)	1991-04-10
GB2252992A GB2252992A (en)	1992-08-26
GB2252992B true GB2252992B (en)	1994-11-02

Family

ID=10690385

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9103699A Expired - Lifetime GB2252992B (en)	1991-02-22	1991-02-22	Downhole tool

Country Status (1)

Country	Link
GB (1)	GB2252992B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2271790B (en) *	1992-10-14	1996-02-14	Halliburton Logging Services	Downhole tool
GB9503828D0 (en) *	1995-02-25	1995-04-19	Camco Drilling Group Ltd	"Improvements in or relating to steerable rotary drilling systems"

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2214541A (en) *	1988-01-19	1989-09-06	Michael King Russell	Signal transmitters
US4914637A (en) *	1986-01-29	1990-04-03	Positec Drilling Controls (Canada) Ltd.	Measure while drilling system

1991
- 1991-02-22 GB GB9103699A patent/GB2252992B/en not_active Expired - Lifetime

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4914637A (en) *	1986-01-29	1990-04-03	Positec Drilling Controls (Canada) Ltd.	Measure while drilling system
GB2214541A (en) *	1988-01-19	1989-09-06	Michael King Russell	Signal transmitters

Also Published As

Publication number	Publication date
GB2252992A (en)	1992-08-26
GB9103699D0 (en)	1991-04-10

Publication	Publication Date	Title
GB9204910D0 (en)	1992-04-22	Downhole tool
GB2262758B (en)	1995-04-26	An improved downhole cutting tool
GB9101576D0 (en)	1991-03-06	Downhole tool
EP0530431A3 (en)	1993-06-16	Drilling chuck
GB2299116B (en)	1997-07-02	Downhole tool
GB2275953B (en)	1996-04-17	Downhole logging tool
GB2258876B (en)	1995-04-12	Tools
GB9126489D0 (en)	1992-02-12	Wet-sanding tools
GB9120854D0 (en)	1991-11-13	Downhole tool
GB9013110D0 (en)	1990-08-01	Tools for wells
AU116788S (en)	1993-04-16	Drill
GB2271790B (en)	1996-02-14	Downhole tool
GB2253643B (en)	1995-05-31	Well cementing tool
GB2252992B (en)	1994-11-02	Downhole tool
AU2923092A (en)	1993-06-15	Downhole tool
GB2282170B (en)	1996-06-19	Downhole tools
GB9100353D0 (en)	1991-02-20	Drill assembly
KR930006905U (en)	1993-04-24	Drilling hammer
GB2255361B (en)	1995-02-22	Drilling assembly
GB9013111D0 (en)	1990-08-01	Tools for wells
GB9013364D0 (en)	1990-08-08	Downhole tools
GB9105605D0 (en)	1991-05-01	Drilling aid
AU114228S (en)	1992-06-08	Tool
GB9124420D0 (en)	1992-01-08	Spray-bit tool
GB9122947D0 (en)	1991-12-18	Ezzyfit tool

Legal Events

Date	Code	Title	Description
1994-11-02	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2011-03-16	PE20	Patent expired after termination of 20 years	Expiry date: 20110221