GB915683A - Gripping dies - Google Patents

Gripping dies

Info

Publication number
GB915683A
GB915683A GB29372/59A GB2937259A GB915683A GB 915683 A GB915683 A GB 915683A GB 29372/59 A GB29372/59 A GB 29372/59A GB 2937259 A GB2937259 A GB 2937259A GB 915683 A GB915683 A GB 915683A
Authority
GB
United Kingdom
Prior art keywords
lands
grooves
gripping dies
frusto
wilson
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
GB29372/59A
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.)
WEB WILSON OIL TOOLS Inc
Original Assignee
WEB WILSON OIL TOOLS 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 WEB WILSON OIL TOOLS Inc filed Critical WEB WILSON OIL TOOLS Inc
Publication of GB915683A publication Critical patent/GB915683A/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/10—Slips; Spiders ; Catching devices

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

915,683. Boring earth. WEB WILSON OIL TOOLS Inc. Aug. 27, 1959 [Sept. 18, 1958; Feb. 20, 1959], No. 29372/59. Class 85. [Also in Group XXIII] The inserts 35 of hand-operated drill pipe slips comprising two or more hinged jaws 31, the outer faces of which are shaped to form portions of a frusto-conical surface 32a, are provided with intersecting diagonal lands 42, 43 and grooves 40, 41, the lands being provided with work-engaging edges. The lands and grooves are cut to provide a substantially cylindrical working face 48. U.S.A. Specification 2,119,731 is referred to.
GB29372/59A 1959-02-20 1959-08-27 Gripping dies Expired GB915683A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76172359A 1959-02-20 1959-02-20

Publications (1)

Publication Number Publication Date
GB915683A true GB915683A (en) 1963-01-16

Family

ID=25063081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29372/59A Expired GB915683A (en) 1959-02-20 1959-08-27 Gripping dies

Country Status (1)

Country Link
GB (1) GB915683A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2470846A1 (en) * 1979-12-07 1981-06-12 Varco Int WELL SAFETY CORNER ASSEMBLY
EP2256286A3 (en) * 2005-05-12 2011-05-11 Weatherford/Lamb, Inc. Equalized load distribution slips for spider and elevator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2470846A1 (en) * 1979-12-07 1981-06-12 Varco Int WELL SAFETY CORNER ASSEMBLY
EP2256286A3 (en) * 2005-05-12 2011-05-11 Weatherford/Lamb, Inc. Equalized load distribution slips for spider and elevator
US8020627B2 (en) 2005-05-12 2011-09-20 Weatherford/Lamb, Inc. Equalized load distribution slips for spider and elevator

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