EP2964988A4 - Double shoulder tool joint - Google Patents

Double shoulder tool joint

Info

Publication number
EP2964988A4
EP2964988A4 EP13877149.8A EP13877149A EP2964988A4 EP 2964988 A4 EP2964988 A4 EP 2964988A4 EP 13877149 A EP13877149 A EP 13877149A EP 2964988 A4 EP2964988 A4 EP 2964988A4
Authority
EP
European Patent Office
Prior art keywords
tool joint
double shoulder
shoulder tool
double
joint
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
EP13877149.8A
Other languages
German (de)
French (fr)
Other versions
EP2964988A1 (en
EP2964988B1 (en
Inventor
Koji Sakura
Nobuhide Sato
Tomoyuki Narikawa
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.)
NKKTubes KK
Original Assignee
NKKTubes KK
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 NKKTubes KK filed Critical NKKTubes KK
Publication of EP2964988A1 publication Critical patent/EP2964988A1/en
Publication of EP2964988A4 publication Critical patent/EP2964988A4/en
Application granted granted Critical
Publication of EP2964988B1 publication Critical patent/EP2964988B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded

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)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
EP13877149.8A 2013-03-05 2013-03-05 Double shoulder tool joint Active EP2964988B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/001345 WO2014136139A1 (en) 2013-03-05 2013-03-05 Double shoulder tool joint

Publications (3)

Publication Number Publication Date
EP2964988A1 EP2964988A1 (en) 2016-01-13
EP2964988A4 true EP2964988A4 (en) 2016-12-28
EP2964988B1 EP2964988B1 (en) 2018-10-24

Family

ID=51490711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13877149.8A Active EP2964988B1 (en) 2013-03-05 2013-03-05 Double shoulder tool joint

Country Status (4)

Country Link
EP (1) EP2964988B1 (en)
JP (1) JP6151793B2 (en)
CN (1) CN105008785B (en)
WO (1) WO2014136139A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3712374T3 (en) 2019-03-18 2023-01-16 Sandvik Mining And Construction Tools Ab Drill string rod

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59159486A (en) * 1983-02-28 1984-09-10 住友金属工業株式会社 Pipe joint for oil well pipe
US5681059A (en) * 1995-12-15 1997-10-28 Mackie; Michael J. Pipe connector
WO2005095840A1 (en) * 2004-03-31 2005-10-13 Nkktubes Double shoulder tool joint
JP2012241863A (en) * 2011-05-23 2012-12-10 Nkktubes Kk Double shoulder type tool joint

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3057857B2 (en) * 1991-11-08 2000-07-04 日本鋼管株式会社 High torque tool joint
US5908212A (en) * 1997-05-02 1999-06-01 Grant Prideco, Inc. Ultra high torque double shoulder tool joint
CN201013257Y (en) * 2007-02-16 2008-01-30 陆金福 Oil pipe coupling
CN201100098Y (en) * 2007-08-22 2008-08-13 上海海隆石油管材研究所 Curved face butting double shoulder highly anti-twisting drill pipe joint
JP5654934B2 (en) 2011-04-01 2015-01-14 株式会社神戸製鋼所 Titanium plate with excellent press formability

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59159486A (en) * 1983-02-28 1984-09-10 住友金属工業株式会社 Pipe joint for oil well pipe
US5681059A (en) * 1995-12-15 1997-10-28 Mackie; Michael J. Pipe connector
WO2005095840A1 (en) * 2004-03-31 2005-10-13 Nkktubes Double shoulder tool joint
JP2007530875A (en) * 2004-03-31 2007-11-01 エヌケーケーシームレス鋼管株式会社 Double shoulder type tool joint
JP2012241863A (en) * 2011-05-23 2012-12-10 Nkktubes Kk Double shoulder type tool joint

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014136139A1 *

Also Published As

Publication number Publication date
EP2964988A1 (en) 2016-01-13
WO2014136139A1 (en) 2014-09-12
EP2964988B1 (en) 2018-10-24
CN105008785A (en) 2015-10-28
JP6151793B2 (en) 2017-06-21
JP2016513214A (en) 2016-05-12
CN105008785B (en) 2018-06-19

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