DE199656C - - Google Patents

Info

Publication number
DE199656C
DE199656C DENDAT199656D DE199656DA DE199656C DE 199656 C DE199656 C DE 199656C DE NDAT199656 D DENDAT199656 D DE NDAT199656D DE 199656D A DE199656D A DE 199656DA DE 199656 C DE199656 C DE 199656C
Authority
DE
Germany
Prior art keywords
sleeve
thread
length
pin
rods
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.)
Active
Application number
DENDAT199656D
Other languages
German (de)
English (en)
Publication of DE199656C publication Critical patent/DE199656C/de
Active 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

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)
  • Dowels (AREA)
  • Earth Drilling (AREA)
DENDAT199656D Active DE199656C (enEXAMPLES)

Publications (1)

Publication Number Publication Date
DE199656C true DE199656C (enEXAMPLES)

Family

ID=462355

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT199656D Active DE199656C (enEXAMPLES)

Country Status (1)

Country Link
DE (1) DE199656C (enEXAMPLES)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988002056A1 (en) * 1986-09-19 1988-03-24 Dudman Roy L High bending strength ratio drill string components
US5131204A (en) * 1989-01-17 1992-07-21 Heribert Hiendl Reinforcing steel connection
WO1998042945A1 (en) * 1997-03-24 1998-10-01 C-Fer Technologies Inc. Rotary drive shaft for downhole pump

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988002056A1 (en) * 1986-09-19 1988-03-24 Dudman Roy L High bending strength ratio drill string components
JPH01501406A (ja) * 1986-09-19 1989-05-18 ダツドマン、ロイ・エル 高い曲げ強度比を有するドリルストリング部材
GB2219022A (en) * 1986-09-19 1989-11-29 Roy L Dudman High bending strength ratio drill string components
GB2219022B (en) * 1986-09-19 1990-08-15 Roy L Dudman High bending strength ratio drill string components
AT394089B (de) * 1986-09-19 1992-01-27 Dudman Roy L Bohrgestaenge-bestandteile mit hohem biegefestigkeits-verhaeltnis
DE3790534C2 (enEXAMPLES) * 1986-09-19 1993-08-05 Roy L. Luling Tex. Us Dudman
US5131204A (en) * 1989-01-17 1992-07-21 Heribert Hiendl Reinforcing steel connection
WO1998042945A1 (en) * 1997-03-24 1998-10-01 C-Fer Technologies Inc. Rotary drive shaft for downhole pump

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