GB201216828D0 - Centraler - Google Patents

Centraler

Info

Publication number
GB201216828D0
GB201216828D0 GBGB1216828.2A GB201216828A GB201216828D0 GB 201216828 D0 GB201216828 D0 GB 201216828D0 GB 201216828 A GB201216828 A GB 201216828A GB 201216828 D0 GB201216828 D0 GB 201216828D0
Authority
GB
United Kingdom
Prior art keywords
centraler
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
GBGB1216828.2A
Other versions
GB2494991A (en
GB2494991B (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.)
Claxton Engineering Services Ltd
Original Assignee
Claxton Engineering Services 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 Claxton Engineering Services Ltd filed Critical Claxton Engineering Services Ltd
Publication of GB201216828D0 publication Critical patent/GB201216828D0/en
Publication of GB2494991A publication Critical patent/GB2494991A/en
Application granted granted Critical
Publication of GB2494991B publication Critical patent/GB2494991B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/12—Devices for placing or drawing out wear protectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB1216828.2A 2011-09-20 2012-09-20 Centralizer Expired - Fee Related GB2494991B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1116236.9A GB201116236D0 (en) 2011-09-20 2011-09-20 Centralizer

Publications (3)

Publication Number Publication Date
GB201216828D0 true GB201216828D0 (en) 2012-11-07
GB2494991A GB2494991A (en) 2013-03-27
GB2494991B GB2494991B (en) 2015-12-09

Family

ID=44937562

Family Applications (3)

Application Number Title Priority Date Filing Date
GBGB1116236.9A Ceased GB201116236D0 (en) 2011-09-20 2011-09-20 Centralizer
GB1216831.6A Withdrawn GB2494994A (en) 2011-09-20 2012-09-20 Centralizer deployment
GB1216828.2A Expired - Fee Related GB2494991B (en) 2011-09-20 2012-09-20 Centralizer

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GBGB1116236.9A Ceased GB201116236D0 (en) 2011-09-20 2011-09-20 Centralizer
GB1216831.6A Withdrawn GB2494994A (en) 2011-09-20 2012-09-20 Centralizer deployment

Country Status (4)

Country Link
EP (1) EP2573315B1 (en)
AU (1) AU2012227158A1 (en)
DK (1) DK2573315T3 (en)
GB (3) GB201116236D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2518417A (en) * 2013-09-20 2015-03-25 Hhr Entpr Ltd A device for protecting a conductor passing through a guide on a sea based oil drilling platform
GB201915215D0 (en) 2019-10-21 2019-12-04 Mako Offshore Ltd Conductor assembly and methods
CN111005377B (en) * 2019-12-26 2021-07-27 黑龙江省八达路桥建设有限公司 Drilling tool supporting limiting descending device for bored pile construction
CN115853501B (en) * 2022-12-28 2023-06-30 基康仪器股份有限公司 Detachable flexible inclinometer positioning guide wheel assembly structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2277336B (en) * 1993-04-06 1996-07-24 Uwg Ltd Centraliser
US6513223B1 (en) * 2000-05-30 2003-02-04 Tesco Corporation Method for installing a centralizer retaining collar and outer sleeve
GB2381280B (en) * 2001-10-23 2006-03-22 Uwg Ltd Centraliser
GB0218312D0 (en) * 2002-08-07 2002-09-11 Paramode Ltd An adjustable centralising device
US7104318B2 (en) * 2004-04-07 2006-09-12 Plexus Ocean Systems, Ltd. Self-contained centralizer system
GB2417505B (en) * 2004-08-28 2008-06-25 U W G Ltd Centraliser

Also Published As

Publication number Publication date
GB201216831D0 (en) 2012-11-07
GB201116236D0 (en) 2011-11-02
DK2573315T3 (en) 2019-01-28
EP2573315B1 (en) 2018-11-07
EP2573315A2 (en) 2013-03-27
GB2494994A (en) 2013-03-27
GB2494991A (en) 2013-03-27
GB2494991B (en) 2015-12-09
EP2573315A3 (en) 2015-11-18
AU2012227158A1 (en) 2013-04-04

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Legal Events

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

Effective date: 20200920