EP3052738A4 - Multi-start thread connection for downhole tools - Google Patents

Multi-start thread connection for downhole tools Download PDF

Info

Publication number
EP3052738A4
EP3052738A4 EP14850309.7A EP14850309A EP3052738A4 EP 3052738 A4 EP3052738 A4 EP 3052738A4 EP 14850309 A EP14850309 A EP 14850309A EP 3052738 A4 EP3052738 A4 EP 3052738A4
Authority
EP
European Patent Office
Prior art keywords
thread connection
downhole tools
start thread
downhole
tools
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Withdrawn
Application number
EP14850309.7A
Other languages
German (de)
French (fr)
Other versions
EP3052738A1 (en
Inventor
Harald Grimmer
Jan Lukas Herlitzius
Sven MITULLA
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.)
Baker Hughes Holdings LLC
Original Assignee
Baker Hughes Inc
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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of EP3052738A1 publication Critical patent/EP3052738A1/en
Publication of EP3052738A4 publication Critical patent/EP3052738A4/en
Withdrawn legal-status Critical Current

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
    • E21B17/02—Couplings; joints
    • E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
    • 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/0423—Threaded with plural threaded sections, e.g. with two-step threads
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives

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)
  • Flexible Shafts (AREA)
EP14850309.7A 2013-10-01 2014-09-30 Multi-start thread connection for downhole tools Withdrawn EP3052738A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/043,541 US20150093189A1 (en) 2013-10-01 2013-10-01 Multi-start thread connection for downhole tools
PCT/US2014/058354 WO2015050880A1 (en) 2013-10-01 2014-09-30 Multi-start thread connection for downhole tools

Publications (2)

Publication Number Publication Date
EP3052738A1 EP3052738A1 (en) 2016-08-10
EP3052738A4 true EP3052738A4 (en) 2017-06-21

Family

ID=52740335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14850309.7A Withdrawn EP3052738A4 (en) 2013-10-01 2014-09-30 Multi-start thread connection for downhole tools

Country Status (4)

Country Link
US (1) US20150093189A1 (en)
EP (1) EP3052738A4 (en)
RU (1) RU2016115587A (en)
WO (1) WO2015050880A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10731423B2 (en) 2013-10-01 2020-08-04 Baker Hughes, A Ge Company, Llc Multi-start thread connection for downhole tools
RU2725440C1 (en) * 2016-11-28 2020-07-02 Бейкер Хьюз, Э Джии Компани, Ллк Multi-threaded connection for downhole tools
CN110185385B (en) * 2019-05-10 2024-01-12 吉林大学 Double-drill hollow push-pull system for torque self-balancing drilling tool system
CN112576182B (en) * 2020-11-30 2022-04-12 中国石油天然气集团有限公司 Wire passing motor drilling tool

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2327247A (en) * 1997-07-11 1999-01-20 Bico Drilling Tools Inc Threaded coupling for transferring torque

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5090497A (en) * 1990-07-30 1992-02-25 Baker Hughes Incorporated Flexible coupling for progressive cavity downhole drilling motor
US5447472A (en) * 1993-07-23 1995-09-05 Ide; Russell D. Articulated coupling for use with a progressive cavity apparatus
US20030155769A1 (en) * 2000-07-21 2003-08-21 Haines Todd A Coupling for rotary drill strings
US7303007B2 (en) * 2005-10-07 2007-12-04 Weatherford Canada Partnership Method and apparatus for transmitting sensor response data and power through a mud motor
CA2727382C (en) * 2008-06-11 2016-12-20 Keith A. Bullin Downhole motor
US8136846B2 (en) * 2008-11-17 2012-03-20 Gandy Technologies Corporation Cylindrical tapered thread form for tubular connections
US8899349B2 (en) * 2011-07-22 2014-12-02 Schlumberger Technology Corporation Methods for determining formation strength of a wellbore

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2327247A (en) * 1997-07-11 1999-01-20 Bico Drilling Tools Inc Threaded coupling for transferring torque

Also Published As

Publication number Publication date
EP3052738A1 (en) 2016-08-10
WO2015050880A1 (en) 2015-04-09
RU2016115587A (en) 2017-11-10
RU2016115587A3 (en) 2018-05-18
US20150093189A1 (en) 2015-04-02

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20160420

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DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20170522

RIC1 Information provided on ipc code assigned before grant

Ipc: E21B 17/03 20060101ALI20170516BHEP

Ipc: E21B 4/02 20060101ALI20170516BHEP

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Ipc: E21B 17/042 20060101ALI20170516BHEP

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18D Application deemed to be withdrawn

Effective date: 20171220