EP2050922A3 - Thread for roto-percussion drill pipe - Google Patents

Thread for roto-percussion drill pipe Download PDF

Info

Publication number
EP2050922A3
EP2050922A3 EP08166631.5A EP08166631A EP2050922A3 EP 2050922 A3 EP2050922 A3 EP 2050922A3 EP 08166631 A EP08166631 A EP 08166631A EP 2050922 A3 EP2050922 A3 EP 2050922A3
Authority
EP
European Patent Office
Prior art keywords
roto
thread
percussion drill
drill pipe
pipe
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
EP08166631.5A
Other languages
German (de)
French (fr)
Other versions
EP2050922B1 (en
EP2050922A2 (en
Inventor
Jamie Thompson
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.)
Roggan Investments Ltd
Original Assignee
Foxley Ventures LLC
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 Foxley Ventures LLC filed Critical Foxley Ventures LLC
Publication of EP2050922A2 publication Critical patent/EP2050922A2/en
Publication of EP2050922A3 publication Critical patent/EP2050922A3/en
Application granted granted Critical
Publication of EP2050922B1 publication Critical patent/EP2050922B1/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
    • 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
    • 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
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods

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)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Pens And Brushes (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

A roto-percussion pipe, comprising a tubular portion having at its ends a female coupling carrying a female thread, and a male coupling carrying a male thread, said male coupling and female coupling enabling the pipe to be connected to other pipes identical therewith to form a roto-percussion drill string of the required length, said threads having at least three starts.
EP08166631.5A 2007-10-16 2008-10-15 Thread for roto-percussion drill pipe Active EP2050922B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT001992A ITMI20071992A1 (en) 2007-10-16 2007-10-16 TUBE FOR ROTO-PERCUSSION

Publications (3)

Publication Number Publication Date
EP2050922A2 EP2050922A2 (en) 2009-04-22
EP2050922A3 true EP2050922A3 (en) 2017-03-08
EP2050922B1 EP2050922B1 (en) 2023-01-11

Family

ID=40303650

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08166631.5A Active EP2050922B1 (en) 2007-10-16 2008-10-15 Thread for roto-percussion drill pipe

Country Status (3)

Country Link
EP (1) EP2050922B1 (en)
ES (1) ES2937164T3 (en)
IT (1) ITMI20071992A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108343385A (en) * 2017-12-29 2018-07-31 中国石油天然气股份有限公司 Telescopic device and its processing method and tubing string
CN109441369A (en) * 2018-12-19 2019-03-08 中国石油大学(北京) Three lead petroleum casing screw bindiny mechanisms and its casing tubing string
WO2022180225A2 (en) * 2021-02-26 2022-09-01 Sandvik Mining And Construction Tools Ab Coupling for connecting downhole tubulars with improved stress distribution

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1120388A (en) * 1965-07-08 1968-07-17 Sandvikens Jernverks Ab An extension rod for a percussion drill
US4625814A (en) * 1982-11-30 1986-12-02 Oy Airam Ab Kometa Percussive drill rod system
DE19803304A1 (en) * 1997-05-29 1998-12-03 Boart Hwf Gmbh Co Kg Rotary percussive drill rod in overhead drilling
US6120067A (en) * 1996-05-07 2000-09-19 Frank's Casing Crew And Rental Tools, Inc. Threaded tool joint for connecting large tubes
DE10020388A1 (en) * 2000-04-26 2001-10-31 Klemm Bohrtechnik Zweigniederl Drill string with threaded coupling, has external and internal threading with sawtooth geometry

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268248A (en) * 1963-11-08 1966-08-23 Douglas Aircraft Co Inc Inter-locking welded joint
DE3427837A1 (en) * 1984-07-27 1986-02-06 Ford-Werke AG, 5000 Köln Process for producing joined weldments
NL8701177A (en) * 1987-05-15 1988-12-01 Skf Ind Trading & Dev METHOD FOR MANUFACTURING AN ARTICLE INCLUDED WITH AT LEAST TWO MOVEMENTS, IN PARTICULAR A ROLL BEARING.
SE525664C2 (en) * 2003-05-16 2005-03-29 Atlas Copco Secoroc Ab Joint bar and method of making it
AT7047U1 (en) * 2003-10-02 2004-09-27 Magna Steyr Powertrain Ag & Co PROCESS FOR WELDING
US20050087581A1 (en) * 2003-10-27 2005-04-28 Otten Gregory K. Welding Alignment Device, and Methods of Using Same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1120388A (en) * 1965-07-08 1968-07-17 Sandvikens Jernverks Ab An extension rod for a percussion drill
US4625814A (en) * 1982-11-30 1986-12-02 Oy Airam Ab Kometa Percussive drill rod system
US6120067A (en) * 1996-05-07 2000-09-19 Frank's Casing Crew And Rental Tools, Inc. Threaded tool joint for connecting large tubes
DE19803304A1 (en) * 1997-05-29 1998-12-03 Boart Hwf Gmbh Co Kg Rotary percussive drill rod in overhead drilling
DE10020388A1 (en) * 2000-04-26 2001-10-31 Klemm Bohrtechnik Zweigniederl Drill string with threaded coupling, has external and internal threading with sawtooth geometry

Also Published As

Publication number Publication date
EP2050922B1 (en) 2023-01-11
EP2050922A2 (en) 2009-04-22
ES2937164T3 (en) 2023-03-24
ITMI20071992A1 (en) 2009-04-17

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