GB1005844A - Tubular drill rod string - Google Patents

Tubular drill rod string

Info

Publication number
GB1005844A
GB1005844A GB34876/63A GB3487663A GB1005844A GB 1005844 A GB1005844 A GB 1005844A GB 34876/63 A GB34876/63 A GB 34876/63A GB 3487663 A GB3487663 A GB 3487663A GB 1005844 A GB1005844 A GB 1005844A
Authority
GB
United Kingdom
Prior art keywords
drill rod
rod string
tubular drill
shank
connectors
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.)
Expired
Application number
GB34876/63A
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.)
Gardner Denver Inc
Original Assignee
Gardner Denver 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 Gardner Denver Inc filed Critical Gardner Denver Inc
Publication of GB1005844A publication Critical patent/GB1005844A/en
Expired 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
    • E21B17/04—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
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • 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

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)

Abstract

1,005,844. Boring earth &c. GARDNERDENVER CO. Sept. 4, 1963 [June 3, 1963] No. 34876/63. Heading E1F. [Also in Divisior F2] In a hollow drill rod the wall comprises hard interior and exterior surfaces and a softer interior, and the ratio of the external diameter to the wall thickness is at least 10:1 and not more than 20:1. The rods 44, 44a are joined to each other, and to the shank 12 and bit 16 by connectors 20, 20a, 20b, the connectors having bores such as 68a and the bit having passages 65 for flushing air which is supplied from the rotary percussive drill connected to the shank.
GB34876/63A 1963-06-03 1963-09-04 Tubular drill rod string Expired GB1005844A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28492363A 1963-06-03 1963-06-03

Publications (1)

Publication Number Publication Date
GB1005844A true GB1005844A (en) 1965-09-29

Family

ID=23092055

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34876/63A Expired GB1005844A (en) 1963-06-03 1963-09-04 Tubular drill rod string

Country Status (2)

Country Link
GB (1) GB1005844A (en)
SE (1) SE300098B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550819A1 (en) * 1983-08-17 1985-02-22 Vallourec DRILLING RODS ESPECIALLY FOR OIL OR GAS WELL HAVING A ZONE FOR RECEIVING THE CLAMPING JAWS
US4591010A (en) * 1984-10-10 1986-05-27 Persson Jan E Coupling between a drill bit and a drill shaft

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI68293B (en) * 1982-11-30 1985-04-30 Airam Ab Oy FOERFARANDE I LAONGHAOLBERGBORRNING OCH BORRSTAONGSYSTEM

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550819A1 (en) * 1983-08-17 1985-02-22 Vallourec DRILLING RODS ESPECIALLY FOR OIL OR GAS WELL HAVING A ZONE FOR RECEIVING THE CLAMPING JAWS
EP0134177A1 (en) * 1983-08-17 1985-03-13 VALLOUREC Société Anonyme dite. Drill rods particularly for gas or oil wells with a zone for receiving the holding slips
US4591010A (en) * 1984-10-10 1986-05-27 Persson Jan E Coupling between a drill bit and a drill shaft

Also Published As

Publication number Publication date
SE300098B (en) 1968-04-08

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