GB9107122D0 - Drilling apparatus - Google Patents

Drilling apparatus

Info

Publication number
GB9107122D0
GB9107122D0 GB919107122A GB9107122A GB9107122D0 GB 9107122 D0 GB9107122 D0 GB 9107122D0 GB 919107122 A GB919107122 A GB 919107122A GB 9107122 A GB9107122 A GB 9107122A GB 9107122 D0 GB9107122 D0 GB 9107122D0
Authority
GB
United Kingdom
Prior art keywords
drilling apparatus
drilling
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.)
Withdrawn
Application number
GB919107122A
Other versions
GB2254430A (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
GEC Marconi Ltd
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
Application filed by GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9107122A priority Critical patent/GB2254430A/en
Publication of GB9107122D0 publication Critical patent/GB9107122D0/en
Publication of GB2254430A publication Critical patent/GB2254430A/en
Withdrawn legal-status Critical Current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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/028—Electrical or electro-magnetic connections
    • E21B17/0283—Electrical or electro-magnetic connections characterised by the coupling being contactless, e.g. inductive
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
    • E21B23/14—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells for displacing a cable or cable-operated tool, e.g. for logging or perforating operations in deviated wells
    • 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
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • E21B47/0224—Determining slope or direction of the borehole, e.g. using geomagnetism using seismic or acoustic means
    • 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
GB9107122A 1991-04-05 1991-04-05 Drilling apparatus Withdrawn GB2254430A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9107122A GB2254430A (en) 1991-04-05 1991-04-05 Drilling apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9107122A GB2254430A (en) 1991-04-05 1991-04-05 Drilling apparatus

Publications (2)

Publication Number Publication Date
GB9107122D0 true GB9107122D0 (en) 1991-05-22
GB2254430A GB2254430A (en) 1992-10-07

Family

ID=10692666

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9107122A Withdrawn GB2254430A (en) 1991-04-05 1991-04-05 Drilling apparatus

Country Status (1)

Country Link
GB (1) GB2254430A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2413348B (en) * 2001-11-07 2006-04-05 Baker Hughes Inc Semi-passive two way borehole communication apparatus and method
US6757218B2 (en) * 2001-11-07 2004-06-29 Baker Hughes Incorporated Semi-passive two way borehole communication apparatus and method
US8102276B2 (en) * 2007-08-31 2012-01-24 Pathfinder Energy Sevices, Inc. Non-contact capacitive datalink for a downhole assembly
US9030911B2 (en) * 2007-12-07 2015-05-12 Baker Hughes Incorporated Method and system for delineating a second wellbore from a first wellbore
CN101182766B (en) * 2007-12-11 2012-03-28 西安石油大学 Measurement method of down-hole boring tool (drill) rotative velocity and direction and short node
CN101182767B (en) * 2007-12-11 2012-03-28 西安石油大学 Down-hole boring tool (drill) tacheometry method and short node for down-hole tacheometry
US9243489B2 (en) 2011-11-11 2016-01-26 Intelliserv, Llc System and method for steering a relief well
KR20140116205A (en) 2012-01-18 2014-10-01 메르스크 서플라이 서비스 에이/에스 Method of drilling a well
CA2914552A1 (en) * 2013-06-06 2014-12-11 Norwegian University Of Science And Technology (Ntnu) Drilling method and apparatus
US10018004B2 (en) 2013-07-19 2018-07-10 Scientific Drilling International, Inc. Method and apparatus for casing entry
EP3337953B1 (en) 2015-10-20 2019-09-04 Halliburton Energy Services, Inc. Passive ranging to a target well using a fiber optic ranging assembly
CN108518181B (en) * 2017-12-14 2019-06-18 中国石油化工股份有限公司华北油气分公司勘探开发研究院 A kind of DAMAGE OF TIGHT SAND GAS RESERVOIRS horizontal well path dynamic adjusting method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1552863A (en) * 1975-05-12 1979-09-19 Teleco Inc Directional sensing means for borehole drilling devices
US4072200A (en) * 1976-05-12 1978-02-07 Morris Fred J Surveying of subterranean magnetic bodies from an adjacent off-vertical borehole

Also Published As

Publication number Publication date
GB2254430A (en) 1992-10-07

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)