SE8203247L - COMPARATIVE CIRCUIT AT THE ROD FOR BORING ENDAMAL - Google Patents

COMPARATIVE CIRCUIT AT THE ROD FOR BORING ENDAMAL

Info

Publication number
SE8203247L
SE8203247L SE8203247A SE8203247A SE8203247L SE 8203247 L SE8203247 L SE 8203247L SE 8203247 A SE8203247 A SE 8203247A SE 8203247 A SE8203247 A SE 8203247A SE 8203247 L SE8203247 L SE 8203247L
Authority
SE
Sweden
Prior art keywords
pipe
endamal
boring
rod
comparative circuit
Prior art date
Application number
SE8203247A
Other languages
Swedish (sv)
Inventor
Kjell-Inge Gunnar Jagelid
Original Assignee
Jagelid Kjell Inge Gunnar
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 Jagelid Kjell Inge Gunnar filed Critical Jagelid Kjell Inge Gunnar
Priority to SE8203247A priority Critical patent/SE8203247L/en
Priority to GB08314253A priority patent/GB2124315B/en
Publication of SE8203247L publication Critical patent/SE8203247L/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/001—Screw-threaded joints; Forms of screw-threads for such joints with conical threads
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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

Abstract

Connecting joint for pipes (1, 2) used for drilling purposes, comprising at each end portion of each pipe (1, 2) and attachment member (3, 4), joined by means of a weld joint (A, B). The internal and external diameter of each pipe (1, 2) are maintained unchanged to the end surfaces of the pipe (1, 2), and that the adjacent end surfaces of the attachment members (3, 4) are arranged with an end surface area substantially corresponding to the end surface area of the pipe (1, 2). The attachment members (3, 4) and the end portions of the pipe (1, 2), are for example, frictional welded together. <IMAGE>
SE8203247A 1982-05-25 1982-05-25 COMPARATIVE CIRCUIT AT THE ROD FOR BORING ENDAMAL SE8203247L (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE8203247A SE8203247L (en) 1982-05-25 1982-05-25 COMPARATIVE CIRCUIT AT THE ROD FOR BORING ENDAMAL
GB08314253A GB2124315B (en) 1982-05-25 1983-05-23 Pipe joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8203247A SE8203247L (en) 1982-05-25 1982-05-25 COMPARATIVE CIRCUIT AT THE ROD FOR BORING ENDAMAL

Publications (1)

Publication Number Publication Date
SE8203247L true SE8203247L (en) 1983-11-26

Family

ID=20346893

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8203247A SE8203247L (en) 1982-05-25 1982-05-25 COMPARATIVE CIRCUIT AT THE ROD FOR BORING ENDAMAL

Country Status (2)

Country Link
GB (1) GB2124315B (en)
SE (1) SE8203247L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3825992A1 (en) * 1988-07-28 1990-02-01 Mannesmann Ag DRILL PIPE
GB2309276A (en) * 1996-01-20 1997-07-23 Boart Longyear Ltd Threaded joint
SG11201607833XA (en) * 2014-06-16 2016-10-28 Halliburton Energy Services Inc Casing joint assembly
CN106312440B (en) * 2015-06-24 2018-03-27 钱立群 A kind of cored steel drill pipe friction restorative procedure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1000955A (en) * 1961-04-28 1965-08-11 American Iron & Machine Works Lightweight drill pipe
GB1583038A (en) * 1976-04-22 1981-01-21 Hydril Co Screw thread connection for pin and box pipe joints
US4124229A (en) * 1977-05-04 1978-11-07 Vetco, Inc. Rigid connector for pipe and method of making the same
GB2064041B (en) * 1979-11-19 1983-07-27 Hunting Oilfield Services Ltd Pipe connectors
US4410204A (en) * 1981-07-06 1983-10-18 Dril-Quip, Inc. Connector
GB2104990B (en) * 1981-08-24 1985-04-24 Drillcon Ind Ltd A sleeve for lining a well wall and a tubular coupling therefore

Also Published As

Publication number Publication date
GB2124315A (en) 1984-02-15
GB2124315B (en) 1986-08-28
GB8314253D0 (en) 1983-06-29

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