EP2573315A2 - Zentralisiervorrichtung - Google Patents

Zentralisiervorrichtung Download PDF

Info

Publication number
EP2573315A2
EP2573315A2 EP12185143A EP12185143A EP2573315A2 EP 2573315 A2 EP2573315 A2 EP 2573315A2 EP 12185143 A EP12185143 A EP 12185143A EP 12185143 A EP12185143 A EP 12185143A EP 2573315 A2 EP2573315 A2 EP 2573315A2
Authority
EP
European Patent Office
Prior art keywords
centralizer
outer blade
wedging member
bore
main body
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
EP12185143A
Other languages
English (en)
French (fr)
Other versions
EP2573315B1 (de
EP2573315A3 (de
Inventor
Rowan Warwick Patterson
Glenn Searle
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 EP2573315A2 publication Critical patent/EP2573315A2/de
Publication of EP2573315A3 publication Critical patent/EP2573315A3/de
Application granted granted Critical
Publication of EP2573315B1 publication Critical patent/EP2573315B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Images

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

Definitions

  • abutments 18 are spaced apart around the main body 2. Each abutment extends radially outwards from an external surface 20 of the central tube 2.
  • the abutments 18 extend the complete length of the central tube 2 and, in this embodiment, first and second, or upper and lower, abutment end portions 22, 24 extend beyond first and second, or upper and lower, ends 26, 28 of the central tube 2, as shown most clearly in Figure 2 .
  • Both the wedging member 36 and outer blade 34 are formed from the same thickness of steel plate material.
  • the wedging member in this example is therefore also in the form of a blade 36, which is radially in-line with the outer blade 34.
  • both these blade members together form part of an adjustment mechanism for making a radially adjustable abutting contact with an outer bore 7 inside of which the centralizer 1 is to be used.
  • the latching mechanism 90 is used to temporarily secure the deployment collar 10 to the centralizer, as shown in Figure 17 , thereby forming the centralizer deployment assembly 50.
  • the latching mechanism pistons 70 When the latching mechanism pistons 70 are extended, these pass through the latching holes 58 in each guiding member 132 and through each of the clearance hole 83 in the flange plates 77, 79.
  • the top edge 181 of the movable wedge plate 136 is also shaped to accommodate the piston 70, but does not engage with the piston, so that the wedge plate is free to be driven downwards by the activating piston 63 once the wedging member release pin 80 has been withdrawn, for example by a remotely operated vehicle.
  • the force applied to the movable wedge plate 136 by the cylinder 73 could be sufficient to sheer through the pin.

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)
EP12185143.0A 2011-09-20 2012-09-20 Zentralisiervorrichtung Not-in-force EP2573315B1 (de)

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
EP2573315A2 true EP2573315A2 (de) 2013-03-27
EP2573315A3 EP2573315A3 (de) 2015-11-18
EP2573315B1 EP2573315B1 (de) 2018-11-07

Family

ID=44937562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12185143.0A Not-in-force EP2573315B1 (de) 2011-09-20 2012-09-20 Zentralisiervorrichtung

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115853501A (zh) * 2022-12-28 2023-03-28 基康仪器股份有限公司 一种可拆卸的柔性测斜仪定位导轮组件结构

Families Citing this family (3)

* 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 (zh) * 2019-12-26 2021-07-27 黑龙江省八达路桥建设有限公司 一种钻孔桩施工用钻具扶持限位下降装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381280A (en) 2001-10-23 2003-04-30 Uwg Ltd Adjustable centraliser with separate control tool

Family Cites Families (5)

* 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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381280A (en) 2001-10-23 2003-04-30 Uwg Ltd Adjustable centraliser with separate control tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115853501A (zh) * 2022-12-28 2023-03-28 基康仪器股份有限公司 一种可拆卸的柔性测斜仪定位导轮组件结构

Also Published As

Publication number Publication date
GB201216831D0 (en) 2012-11-07
GB201216828D0 (en) 2012-11-07
GB201116236D0 (en) 2011-11-02
DK2573315T3 (en) 2019-01-28
EP2573315B1 (de) 2018-11-07
GB2494994A (en) 2013-03-27
GB2494991A (en) 2013-03-27
GB2494991B (en) 2015-12-09
EP2573315A3 (de) 2015-11-18
AU2012227158A1 (en) 2013-04-04

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