GB201806327D0 - Centraliser assembly - Google Patents

Centraliser assembly

Info

Publication number: GB201806327D0
Authority: GB; United Kingdom
Prior art keywords: centraliser assembly; centraliser; assembly
Prior art date: 2018-04-18
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.): Ceased

Application number

GBGB1806327.1A

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.)

Downhole Products Ltd

Original Assignee

Downhole Products 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.)

2018-04-18

Filing date

2018-04-18

Publication date

2018-05-30

2018-04-18 Application filed by Downhole Products Ltd filed Critical Downhole Products Ltd

2018-04-18 Priority to GBGB1806327.1A priority Critical patent/GB201806327D0/en

2018-05-30 Publication of GB201806327D0 publication Critical patent/GB201806327D0/en

2019-04-15 Priority to US16/975,459 priority patent/US20210025245A1/en

2019-04-15 Priority to CN201980026493.7A priority patent/CN111989458A/en

2019-04-15 Priority to CA3092778A priority patent/CA3092778A1/en

2019-04-15 Priority to PCT/IB2019/053081 priority patent/WO2019202467A1/en

2019-04-15 Priority to EP19724252.2A priority patent/EP3781780A1/en

Status Ceased legal-status Critical Current

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
- 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
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/08—Down-hole devices using materials which decompose under well-bore conditions

Landscapes

Engineering & Computer Science (AREA)
Geology (AREA)
Life Sciences & Earth Sciences (AREA)
Mining & Mineral Resources (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Flexible Shafts (AREA)
Lubricants (AREA)
Earth Drilling (AREA)
Gasket Seals (AREA)

GBGB1806327.1A 2018-04-18 2018-04-18 Centraliser assembly Ceased GB201806327D0 (en)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
GBGB1806327.1A GB201806327D0 (en)	2018-04-18	2018-04-18	Centraliser assembly
US16/975,459 US20210025245A1 (en)	2018-04-18	2019-04-15	Deployable casing centraliser with latch for bow springs
CN201980026493.7A CN111989458A (en)	2018-04-18	2019-04-15	Deployable casing centralizer with latch for bow spring
CA3092778A CA3092778A1 (en)	2018-04-18	2019-04-15	Deployable casing centraliser with latch for bow springs
PCT/IB2019/053081 WO2019202467A1 (en)	2018-04-18	2019-04-15	Deployable casing centraliser with latch for bow springs
EP19724252.2A EP3781780A1 (en)	2018-04-18	2019-04-15	Deployable casing centraliser with latch for bow springs

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GBGB1806327.1A GB201806327D0 (en)	2018-04-18	2018-04-18	Centraliser assembly

Publications (1)

Publication Number	Publication Date
GB201806327D0 true GB201806327D0 (en)	2018-05-30

Family

ID=62203512

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GBGB1806327.1A Ceased GB201806327D0 (en)	2018-04-18	2018-04-18	Centraliser assembly

Country Status (6)

Country	Link
US (1)	US20210025245A1 (en)
EP (1)	EP3781780A1 (en)
CN (1)	CN111989458A (en)
CA (1)	CA3092778A1 (en)
GB (1)	GB201806327D0 (en)
WO (1)	WO2019202467A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US11125024B2 (en) *	2019-07-26	2021-09-21	Innovex Downhole Solutions, Inc.	Centralizer with dissolvable retaining members
CN112031677B (en) *	2020-11-05	2021-01-12	胜利油田固邦石油装备有限责任公司	An anti-deformation casing centralizer for oil exploitation
GB2604930B (en) *	2021-03-19	2023-09-13	Vulcan Completion Products Uk Ltd	Centraliser
CN116641665A (en) *	2022-02-15	2023-08-25	中国石油天然气集团有限公司	A pre-compression delayed expansion elastic centralizer
US11988050B2 (en)	2022-06-01	2024-05-21	Halliburton Energy Services, Inc.	Centralizer with opposing hollow spring structure
US11933116B2 (en) *	2022-06-01	2024-03-19	Halliburton Energy Services, Inc.	Eccentric centralizer
USD1099169S1 (en) *	2024-10-14	2025-10-21	Drillit International Pty Limited	Pipe spacer
CN119163362A (en) *	2024-11-20	2024-12-20	中国石油集团渤海钻探工程有限公司	Integral elastic centralizer and preparation method thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4024000C2 (en) *	1990-07-28	1994-07-28	Weatherford Oil Tool	Pipe centering basket with clamping device
CA2073332C (en)	1990-01-17	1999-09-28	Paul Douglas Maxfield Gullet	Centralizers for oil well casings
GB9404857D0 (en)	1994-03-12	1994-04-27	Downhole Products Uk Ltd	Casing centraliser
US8701783B2 (en) *	2007-07-26	2014-04-22	Antelope Oil Tool & Mfg. Co., Llc	Apparatus for and method of deploying a centralizer installed on an expandable casing string
US7845061B2 (en) *	2007-05-16	2010-12-07	Frank's International, Inc.	Low clearance centralizer and method of making centralizer
US7878241B2 (en) *	2007-05-16	2011-02-01	Frank's International, Inc.	Expandable centralizer for expandable pipe string
US8360161B2 (en) *	2008-09-29	2013-01-29	Frank's International, Inc.	Downhole device actuator and method
GB201100543D0 (en) *	2011-01-13	2011-03-02	Downhole Products Ltd	Centraliser
WO2015017568A2 (en)	2013-07-30	2015-02-05	Weatherford/Lamb, Inc.	Centralizer
NO338218B1 (en)	2014-07-02	2016-08-08	Moonshine Solutions As	Release device and method for placing wellbore component in borehole
GB201413327D0 (en)	2014-07-28	2014-09-10	Magnesium Elektron Ltd	Corrodible downhole article
US10214973B2 (en) *	2015-09-08	2019-02-26	Top-Co Inc.	Deployable bow spring centralizer

2018
- 2018-04-18 GB GBGB1806327.1A patent/GB201806327D0/en not_active Ceased
2019
- 2019-04-15 US US16/975,459 patent/US20210025245A1/en not_active Abandoned
- 2019-04-15 WO PCT/IB2019/053081 patent/WO2019202467A1/en not_active Ceased
- 2019-04-15 CN CN201980026493.7A patent/CN111989458A/en active Pending
- 2019-04-15 EP EP19724252.2A patent/EP3781780A1/en not_active Withdrawn
- 2019-04-15 CA CA3092778A patent/CA3092778A1/en not_active Abandoned

Also Published As

Publication number	Publication date
CN111989458A (en)	2020-11-24
US20210025245A1 (en)	2021-01-28
WO2019202467A1 (en)	2019-10-24
EP3781780A1 (en)	2021-02-24
CA3092778A1 (en)	2019-10-24

Publication	Publication Date	Title
CA185742S (en)	2019-12-24	Step assembly
GB201806327D0 (en)	2018-05-30	Centraliser assembly
GB201802593D0 (en)	2018-04-04	Rig
GB201810604D0 (en)	2018-08-15	Whipstock assembly
GB2568824B (en)	2021-07-14	Wellhead assembly installation
GB2584401B (en)	2023-03-29	Packer assembly
GB201816651D0 (en)	2018-11-28	Fitting assembly
GB201905857D0 (en)	2019-06-12	Aerostructure assembly
GB201804569D0 (en)	2018-05-09	Casing assembly
GB2578774B (en)	2023-05-10	Centraliser
PL3775455T3 (en)	2022-09-12	Fitting assembly
GB2577923B (en)	2023-02-22	Structural assembly
GB2579730B (en)	2022-04-13	Well logging assembly
GB2585898B (en)	2023-05-31	Centraliser
PH32019001417S1 (en)	2021-10-08	Jackstand assembly
GB202109487D0 (en)	2021-08-11	Seal assembly for downhole use
GB201812288D0 (en)	2018-09-12	Step assembly
ZA201904842B (en)	2020-05-27	Toilet assembly
GB201905863D0 (en)	2019-06-12	Aerostructure assembly
GB201821172D0 (en)	2019-02-06	An assembly
ZAF201801768S (en)	2019-08-28	Window assembly
ZAF201801767S (en)	2019-08-28	Window assembly
GB201817112D0 (en)	2018-12-05	Downhole drive assembly
GB201817114D0 (en)	2018-12-05	Downhole drive assembly
GB201816343D0 (en)	2018-11-28	Disclosure

Legal Events

Date	Code	Title	Description
2019-11-20	AT	Applications terminated before publication under section 16(1)