GB915683A - Gripping dies - Google Patents
Gripping diesInfo
- 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
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.
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)
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 |
-
1959
- 1959-08-27 GB GB29372/59A patent/GB915683A/en not_active Expired
Cited By (3)
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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