GB9210934D0 - Data transmission - Google Patents

Data transmission

Info

Publication number
GB9210934D0
GB9210934D0 GB929210934A GB9210934A GB9210934D0 GB 9210934 D0 GB9210934 D0 GB 9210934D0 GB 929210934 A GB929210934 A GB 929210934A GB 9210934 A GB9210934 A GB 9210934A GB 9210934 D0 GB9210934 D0 GB 9210934D0
Authority
GB
United Kingdom
Prior art keywords
data transmission
transmission
data
Prior art date
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.)
Granted
Application number
GB929210934A
Other versions
GB2261308A (en
GB2261308B (en
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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.)
Filing date
Publication date
Priority claimed from GB919123583A external-priority patent/GB9123583D0/en
Application filed by Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to GB9210934A priority Critical patent/GB2261308B/en
Publication of GB9210934D0 publication Critical patent/GB9210934D0/en
Publication of GB2261308A publication Critical patent/GB2261308A/en
Application granted granted Critical
Publication of GB2261308B publication Critical patent/GB2261308B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/005—Below-ground automatic control systems
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/26—Storing data down-hole, e.g. in a memory or on a record carrier
GB9210934A 1991-11-06 1992-05-22 Data transmission Expired - Fee Related GB2261308B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9210934A GB2261308B (en) 1991-11-06 1992-05-22 Data transmission

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919123583A GB9123583D0 (en) 1991-11-06 1991-11-06 Data transmission
GB9210934A GB2261308B (en) 1991-11-06 1992-05-22 Data transmission

Publications (3)

Publication Number Publication Date
GB9210934D0 true GB9210934D0 (en) 1992-07-08
GB2261308A GB2261308A (en) 1993-05-12
GB2261308B GB2261308B (en) 1996-02-28

Family

ID=26299818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9210934A Expired - Fee Related GB2261308B (en) 1991-11-06 1992-05-22 Data transmission

Country Status (1)

Country Link
GB (1) GB2261308B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1007274A5 (en) * 1993-07-20 1995-05-09 Baroid Technology Inc Method for controlling the head of drilling core drilling or device and installation for implementing the method.
US6230822B1 (en) * 1995-02-16 2001-05-15 Baker Hughes Incorporated Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
EP1632643B1 (en) * 1995-02-16 2011-06-01 Baker Hughes Incorporated Method and apparatus for monitoring and recording of operating conditions of a downhole drill bit during drilling operations
US5924499A (en) * 1997-04-21 1999-07-20 Halliburton Energy Services, Inc. Acoustic data link and formation property sensor for downhole MWD system
EP1143105A1 (en) * 2000-04-04 2001-10-10 Schlumberger Holdings Limited Directional drilling system
GB0426419D0 (en) * 2004-12-02 2005-01-05 Avocet Hardware Ltd Stay for hingedly mounting an openable closure member
US8827006B2 (en) 2005-05-12 2014-09-09 Schlumberger Technology Corporation Apparatus and method for measuring while drilling
GB2476653A (en) * 2009-12-30 2011-07-06 Wajid Rasheed Tool and Method for Look-Ahead Formation Evaluation in advance of the drill-bit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3309656A (en) * 1964-06-10 1967-03-14 Mobil Oil Corp Logging-while-drilling system
US3932836A (en) * 1974-01-14 1976-01-13 Mobil Oil Corporation DC/AC motor drive for a downhole acoustic transmitter in a logging-while-drilling system
US3949354A (en) * 1974-05-15 1976-04-06 Schlumberger Technology Corporation Apparatus for transmitting well bore data
GB1491810A (en) * 1975-02-24 1977-11-16 Mobil Oil Corp Method and apparatus for transmitting downhole information from a well
IE45473B1 (en) * 1976-09-29 1982-09-08 Schlumberger Technology Corp A digital motor control method and apparatus for measuring-while-drilling
US4847815A (en) * 1987-09-22 1989-07-11 Anadrill, Inc. Sinusoidal pressure pulse generator for measurement while drilling tool
US5168942A (en) * 1991-10-21 1992-12-08 Atlantic Richfield Company Resistivity measurement system for drilling with casing
NO306522B1 (en) * 1992-01-21 1999-11-15 Anadrill Int Sa Procedure for acoustic transmission of measurement signals when measuring during drilling

Also Published As

Publication number Publication date
GB2261308A (en) 1993-05-12
GB2261308B (en) 1996-02-28

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110522