EP3170964A4 - Underground opening self-locking well casing pipe centering device - Google Patents
Underground opening self-locking well casing pipe centering device Download PDFInfo
- Publication number
- EP3170964A4 EP3170964A4 EP15821386.8A EP15821386A EP3170964A4 EP 3170964 A4 EP3170964 A4 EP 3170964A4 EP 15821386 A EP15821386 A EP 15821386A EP 3170964 A4 EP3170964 A4 EP 3170964A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- well casing
- centering device
- casing pipe
- opening self
- pipe centering
- 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.)
- Withdrawn
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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410337155.4A CN104234647B (en) | 2014-07-16 | 2014-07-16 | Underground opening self-locking casing centering device |
PCT/CN2015/083917 WO2016008400A1 (en) | 2014-07-16 | 2015-07-14 | Underground opening self-locking well casing pipe centering device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3170964A1 EP3170964A1 (en) | 2017-05-24 |
EP3170964A4 true EP3170964A4 (en) | 2017-09-20 |
Family
ID=52223454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15821386.8A Withdrawn EP3170964A4 (en) | 2014-07-16 | 2015-07-14 | Underground opening self-locking well casing pipe centering device |
Country Status (5)
Country | Link |
---|---|
US (1) | US20160215574A1 (en) |
EP (1) | EP3170964A4 (en) |
CN (1) | CN104234647B (en) |
SG (1) | SG11201601868RA (en) |
WO (1) | WO2016008400A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104234647B (en) * | 2014-07-16 | 2017-02-08 | 大庆福斯特科技开发有限公司 | Underground opening self-locking casing centering device |
CN106089133B (en) * | 2016-08-09 | 2018-05-18 | 天津市泓金泰特种机械有限公司 | A kind of oil pipeline centralising device |
CN108316865B (en) * | 2018-03-01 | 2019-05-10 | 中国矿业大学(北京) | The fixed surface pipe of rivet |
CN109826662B (en) * | 2019-01-25 | 2021-08-06 | 河北工程大学 | Ventilation unit is used in mining |
CN111878022B (en) * | 2020-08-05 | 2022-05-27 | 吕梁学院 | Horizontal is got in pit and is assisted securing device with reaming |
CN112253009A (en) * | 2020-12-09 | 2021-01-22 | 中国石油天然气集团有限公司 | Roller drag reducer for continuous oil pipe |
CN117605428B (en) * | 2024-01-22 | 2024-04-09 | 黑龙江省第二地质勘查院 | Righting device for geological geophysical prospecting well logging instrument with fixed function |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080142228A1 (en) * | 2006-12-14 | 2008-06-19 | Harvey Peter R | Radial spring latch apparatus and methods for making and using same |
CN103670296A (en) * | 2012-09-18 | 2014-03-26 | 中国石油天然气股份有限公司 | Casing centralizer |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3390724A (en) * | 1966-02-01 | 1968-07-02 | Zanal Corp Of Alberta Ltd | Duct forming device with a filter |
CA1098894A (en) * | 1979-07-19 | 1981-04-07 | Inco Limited | Non-rotating spring loaded stabilizer |
US4776397A (en) * | 1986-10-06 | 1988-10-11 | Ava International Corporation | Tool for lowering into centered position within a well bore |
US5228518A (en) * | 1991-09-16 | 1993-07-20 | Conoco Inc. | Downhole activated process and apparatus for centralizing pipe in a wellbore |
CN2391002Y (en) * | 1999-09-13 | 2000-08-09 | 张洪才 | Self-locking oil pipe centralising device |
US7422069B2 (en) * | 2002-10-25 | 2008-09-09 | Baker Hughes Incorporated | Telescoping centralizers for expandable tubulars |
GB2421744A (en) * | 2005-01-04 | 2006-07-05 | Cutting & Wear Resistant Dev | Under-reamer or stabiliser with hollow, extendable arms and inclined ribs |
US20080035328A1 (en) * | 2006-08-09 | 2008-02-14 | Tejas Associates, Inc. | Laminate pressure containing body for a well tool |
GB2454697B (en) * | 2007-11-15 | 2011-11-30 | Schlumberger Holdings | Anchoring systems for drilling tools |
US8079416B2 (en) * | 2009-03-13 | 2011-12-20 | Reservoir Management Inc. | Plug for a perforated liner and method of using same |
US9371715B2 (en) * | 2010-10-15 | 2016-06-21 | Schlumberger Technology Corporation | Downhole extending ports |
NO333258B1 (en) * | 2011-09-13 | 2013-04-22 | Geir Habesland | Tool and method for centering the feeding rudder |
CN102322230A (en) * | 2011-09-21 | 2012-01-18 | 中特石油器材有限公司 | Centering device |
CN202391354U (en) * | 2011-09-21 | 2012-08-22 | 中特石油器材有限公司 | Centralizer |
CN102359350B (en) * | 2011-10-09 | 2013-09-18 | 中国海洋石油总公司 | Centering device |
US9033046B2 (en) * | 2012-10-10 | 2015-05-19 | Baker Hughes Incorporated | Multi-zone fracturing and sand control completion system and method thereof |
CN104234647B (en) * | 2014-07-16 | 2017-02-08 | 大庆福斯特科技开发有限公司 | Underground opening self-locking casing centering device |
CN204082044U (en) * | 2014-07-16 | 2015-01-07 | 大庆福斯特科技开发有限公司 | Down-hole opened self-locking formula casing centralization device |
-
2014
- 2014-07-16 CN CN201410337155.4A patent/CN104234647B/en active Active
-
2015
- 2015-07-14 EP EP15821386.8A patent/EP3170964A4/en not_active Withdrawn
- 2015-07-14 WO PCT/CN2015/083917 patent/WO2016008400A1/en active Application Filing
- 2015-07-14 SG SG11201601868RA patent/SG11201601868RA/en unknown
- 2015-07-14 US US14/914,324 patent/US20160215574A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080142228A1 (en) * | 2006-12-14 | 2008-06-19 | Harvey Peter R | Radial spring latch apparatus and methods for making and using same |
CN103670296A (en) * | 2012-09-18 | 2014-03-26 | 中国石油天然气股份有限公司 | Casing centralizer |
Non-Patent Citations (1)
Title |
---|
See also references of WO2016008400A1 * |
Also Published As
Publication number | Publication date |
---|---|
SG11201601868RA (en) | 2016-04-28 |
CN104234647B (en) | 2017-02-08 |
WO2016008400A1 (en) | 2016-01-21 |
EP3170964A1 (en) | 2017-05-24 |
CN104234647A (en) | 2014-12-24 |
US20160215574A1 (en) | 2016-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20170220 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20170822 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: E21B 17/10 20060101AFI20170816BHEP |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20181128 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20190227 |