EA202191295A1 - Центратор - Google Patents

Центратор

Info

Publication number
EA202191295A1
EA202191295A1 EA202191295A EA202191295A EA202191295A1 EA 202191295 A1 EA202191295 A1 EA 202191295A1 EA 202191295 A EA202191295 A EA 202191295A EA 202191295 A EA202191295 A EA 202191295A EA 202191295 A1 EA202191295 A1 EA 202191295A1
Authority
EA
Eurasian Patent Office
Prior art keywords
end sleeve
section
sleeve
supporting elements
intermediate section
Prior art date
Application number
EA202191295A
Other languages
English (en)
Inventor
Иан Керк
Эндрю Керк
Нейтан Керк
Original Assignee
ВУЛКАН КОМПЛИШН ПРОДАКТС ЮКей ЛИМИТЕД
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 ВУЛКАН КОМПЛИШН ПРОДАКТС ЮКей ЛИМИТЕД filed Critical ВУЛКАН КОМПЛИШН ПРОДАКТС ЮКей ЛИМИТЕД
Publication of EA202191295A1 publication Critical patent/EA202191295A1/ru

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
    • E21B17/1078—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
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs
    • E21B17/1028—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs with arcuate springs only, e.g. baskets with outwardly bowed strips for cementing operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Flexible Shafts (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

Центратор (10) для использования при центрировании трубы (12) в стволе (W) содержит первую концевую муфту (14), вторую концевую муфту (16) и ряд удлиненных подпирающих элементов (18). Подпирающие элементы (18) расположены между первой концевой муфтой (14) и второй концевой муфтой (16) и расположены вдоль окружности и разнесены вокруг первой концевой муфты (14) и второй концевой муфты (16). Подпирающий элемент (18) имеет первый концевой участок (20), второй концевой участок (22), промежуточный участок (24) и наклонные участки (26) в виде крыла, которые выступают от промежуточного участка (24).
EA202191295A 2018-11-08 2019-11-07 Центратор EA202191295A1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1818210.5A GB2578774B (en) 2018-11-08 2018-11-08 Centraliser
PCT/GB2019/053151 WO2020095050A1 (en) 2018-11-08 2019-11-07 Centraliser

Publications (1)

Publication Number Publication Date
EA202191295A1 true EA202191295A1 (ru) 2021-08-25

Family

ID=64739626

Family Applications (1)

Application Number Title Priority Date Filing Date
EA202191295A EA202191295A1 (ru) 2018-11-08 2019-11-07 Центратор

Country Status (6)

Country Link
US (1) US11555357B2 (ru)
CN (1) CN113286931A (ru)
EA (1) EA202191295A1 (ru)
GB (1) GB2578774B (ru)
NO (1) NO20210599A1 (ru)
WO (1) WO2020095050A1 (ru)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11965384B2 (en) * 2021-03-24 2024-04-23 Downhole Products Limited Variable stiffness centralizer

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2228648A (en) * 1939-09-22 1941-01-14 Baker Oil Tools Inc Casing centralizer
US2312600A (en) * 1941-01-02 1943-03-02 Steps Robert Alexander Well mechanism
US2727576A (en) 1952-04-09 1955-12-20 Jesse E Hall Centralizers
US3289767A (en) * 1961-11-03 1966-12-06 B & W Inc Well centering and cementing device
US3289768A (en) * 1962-06-19 1966-12-06 B & W Inc Turbulence generating centralizer
GB1156710A (en) * 1966-11-17 1969-07-02 Caslake Ltd J Improvements in or relating to Devices for Centralising Pipe in Borings.
US4787458A (en) * 1987-05-29 1988-11-29 Weatherford U. S., Inc. Spring bow, centralizer, and related methods
GB0115704D0 (en) * 2001-06-27 2001-08-22 Winapex Ltd Centering device
ATE536462T1 (de) 2007-05-16 2011-12-15 Frank S Inr Inc Erweiterbare zentrierer für erweiterbaren rohrstrang
CN201705333U (zh) * 2010-06-04 2011-01-12 中国海洋石油总公司 一种用于大斜度井的专用扶正器
US8960278B2 (en) * 2012-06-04 2015-02-24 Halliburton Energy Services, Inc. Pull through centralizer
GB2544680A (en) * 2014-08-27 2017-05-24 Reece Innovation Centre Ltd Improvements in or relating to centralisers
CN204552637U (zh) * 2015-04-21 2015-08-12 陕西纽兰德实业有限公司 一种弹性套管扶正器
GB2578855B (en) * 2017-06-07 2021-03-03 Vulcan Completion Products Uk Ltd Downhole apparatus and associated methods
GB2563239B (en) * 2017-06-07 2020-03-25 Vulcan Completion Products Uk Ltd Downhole apparatus and associated methods

Also Published As

Publication number Publication date
GB2578774B (en) 2023-05-10
NO20210599A1 (en) 2021-05-12
GB201818210D0 (en) 2018-12-26
GB2578774A (en) 2020-05-27
CN113286931A (zh) 2021-08-20
US11555357B2 (en) 2023-01-17
US20220010631A1 (en) 2022-01-13
WO2020095050A1 (en) 2020-05-14

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