ATE91171T1 - Bohr- und futterrohre mit einer vielzahl von leitungen. - Google Patents

Bohr- und futterrohre mit einer vielzahl von leitungen.

Info

Publication number
ATE91171T1
ATE91171T1 AT87304041T AT87304041T ATE91171T1 AT E91171 T1 ATE91171 T1 AT E91171T1 AT 87304041 T AT87304041 T AT 87304041T AT 87304041 T AT87304041 T AT 87304041T AT E91171 T1 ATE91171 T1 AT E91171T1
Authority
AT
Austria
Prior art keywords
tubular
conduits
electrical
conduit
fluid
Prior art date
Application number
AT87304041T
Other languages
English (en)
Inventor
Harry Bailey Curlett
Original Assignee
Pangaea Enterprises 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 Pangaea Enterprises Inc filed Critical Pangaea Enterprises Inc
Application granted granted Critical
Publication of ATE91171T1 publication Critical patent/ATE91171T1/de

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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
    • E21B17/003—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings with electrically conducting or insulating means
    • 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
    • E21B17/18—Pipes provided with plural fluid passages
    • 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
    • E21B21/02—Swivel joints in hose-lines

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)
  • Drilling Tools (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Manufacture Of Motors, Generators (AREA)
AT87304041T 1985-05-06 1987-05-06 Bohr- und futterrohre mit einer vielzahl von leitungen. ATE91171T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/730,831 US4683944A (en) 1985-05-06 1985-05-06 Drill pipes and casings utilizing multi-conduit tubulars
CA000536490A CA1319361C (en) 1985-05-06 1987-05-06 Drill pipes and casings utilizing multi-conduit tubulars
EP87304041A EP0289673B1 (de) 1985-05-06 1987-05-06 Bohr- und Futterrohre mit einer Vielzahl von Leitungen

Publications (1)

Publication Number Publication Date
ATE91171T1 true ATE91171T1 (de) 1993-07-15

Family

ID=25671333

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87304041T ATE91171T1 (de) 1985-05-06 1987-05-06 Bohr- und futterrohre mit einer vielzahl von leitungen.

Country Status (7)

Country Link
US (3) US4683944A (de)
EP (1) EP0289673B1 (de)
AT (1) ATE91171T1 (de)
AU (1) AU591558B2 (de)
CA (1) CA1319361C (de)
DE (1) DE3786398T2 (de)
ES (1) ES2042560T3 (de)

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US4924949A (en) 1990-05-15
EP0289673A1 (de) 1988-11-09
DE3786398D1 (de) 1993-08-05
CA1319361C (en) 1993-06-22
AU7260087A (en) 1988-11-10
EP0289673B1 (de) 1993-06-30
DE3786398T2 (de) 1993-12-02
US4799544A (en) 1989-01-24
AU591558B2 (en) 1989-12-07
ES2042560T3 (es) 1993-12-16
US4683944A (en) 1987-08-04

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