GB9521698D0 - A detector - Google Patents

A detector

Info

Publication number
GB9521698D0
GB9521698D0 GBGB9521698.2A GB9521698A GB9521698D0 GB 9521698 D0 GB9521698 D0 GB 9521698D0 GB 9521698 A GB9521698 A GB 9521698A GB 9521698 D0 GB9521698 D0 GB 9521698D0
Authority
GB
United Kingdom
Prior art keywords
detector
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
GBGB9521698.2A
Other versions
GB2306657B (en
GB2306657A (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.)
TUIJL BERT VAN
Original Assignee
TUIJL BERT VAN
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 TUIJL BERT VAN filed Critical TUIJL BERT VAN
Priority to GB9521698A priority Critical patent/GB2306657B/en
Publication of GB9521698D0 publication Critical patent/GB9521698D0/en
Publication of GB2306657A publication Critical patent/GB2306657A/en
Application granted granted Critical
Publication of GB2306657B publication Critical patent/GB2306657B/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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
GB9521698A 1995-10-18 1995-10-18 A detector Expired - Fee Related GB2306657B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9521698A GB2306657B (en) 1995-10-18 1995-10-18 A detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9521698A GB2306657B (en) 1995-10-18 1995-10-18 A detector

Publications (3)

Publication Number Publication Date
GB9521698D0 true GB9521698D0 (en) 1996-01-03
GB2306657A GB2306657A (en) 1997-05-07
GB2306657B GB2306657B (en) 1999-10-27

Family

ID=10782771

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9521698A Expired - Fee Related GB2306657B (en) 1995-10-18 1995-10-18 A detector

Country Status (1)

Country Link
GB (1) GB2306657B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0122431D0 (en) * 2001-09-17 2001-11-07 Antech Ltd Non-invasive detectors for wells
GB2383418B (en) 2001-12-20 2005-09-14 Antech Ltd Non-invasive detectors for wells
US6802373B2 (en) 2002-04-10 2004-10-12 Bj Services Company Apparatus and method of detecting interfaces between well fluids
US6789619B2 (en) * 2002-04-10 2004-09-14 Bj Services Company Apparatus and method for detecting the launch of a device in oilfield applications
GB201303933D0 (en) * 2013-03-05 2013-04-17 Well Centric Oilfield Services Ltd Wireline lubricator safety system
GB201513297D0 (en) * 2015-07-28 2015-09-09 Paradigm Technology Services B V Method and system for performing well operations
US11242743B2 (en) 2019-06-21 2022-02-08 Saudi Arabian Oil Company Methods and systems to detect an untethered device at a wellhead
US11913329B1 (en) 2022-09-21 2024-02-27 Saudi Arabian Oil Company Untethered logging devices and related methods of logging a wellbore

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978588A (en) * 1971-07-02 1976-09-07 Richardson Robert L Magnetic wire line marking, erasing and detecting method and apparatus
US3843923A (en) * 1973-07-05 1974-10-22 Stewart & Stevenson Inc Jim Well pipe joint locator using a ring magnet and two sets of hall detectors surrounding the pipe
US4202490A (en) * 1977-01-03 1980-05-13 Hughes Tool Company Drill pipe identification method and system
GB1602065A (en) * 1978-05-16 1981-11-04 Monitoring Systems Inc Method and apparatus for counting pipe joints
US4964462A (en) * 1989-08-09 1990-10-23 Smith Michael L Tubing collar position sensing apparatus, and associated methods, for use with a snubbing unit
US5323856A (en) * 1993-03-31 1994-06-28 Halliburton Company Detecting system and method for oil or gas well

Also Published As

Publication number Publication date
GB2306657B (en) 1999-10-27
GB2306657A (en) 1997-05-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20021018