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ZA805223B - Recovery of ground drilling equipment - Google Patents

Recovery of ground drilling equipment

Info

Publication number
ZA805223B
ZA805223B ZA00805223A ZA805223A ZA805223B ZA 805223 B ZA805223 B ZA 805223B ZA 00805223 A ZA00805223 A ZA 00805223A ZA 805223 A ZA805223 A ZA 805223A ZA 805223 B ZA805223 B ZA 805223B
Authority
ZA
South Africa
Prior art keywords
recovery
drilling equipment
ground drilling
ground
equipment
Prior art date
Application number
ZA00805223A
Inventor
R Graham
Original Assignee
R Graham
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 R Graham filed Critical R Graham
Publication of ZA805223B publication Critical patent/ZA805223B/en

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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs
    • E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
ZA00805223A 1979-09-04 1980-08-25 Recovery of ground drilling equipment ZA805223B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7930563 1979-09-04

Publications (1)

Publication Number Publication Date
ZA805223B true ZA805223B (en) 1981-08-26

Family

ID=10507588

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00805223A ZA805223B (en) 1979-09-04 1980-08-25 Recovery of ground drilling equipment

Country Status (4)

Country Link
EP (1) EP0025650A1 (en)
AU (1) AU549216B2 (en)
CA (1) CA1194858A (en)
ZA (1) ZA805223B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106759338B (en) * 2017-01-23 2022-09-30 北京健安诚岩土工程有限公司 Broken rod drilling device for threaded connection rod piece and construction method of broken rod drilling device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1469493A (en) * 1921-10-29 1923-10-02 Charles H Brown Fishing tool
US1521482A (en) * 1924-02-05 1924-12-30 Hampton A Steele Tool joint
US2647008A (en) * 1950-08-10 1953-07-28 Tri State Oil Tool Company Inc Retrieving arrangement for well drilling operations
US2751019A (en) * 1954-02-23 1956-06-19 Baker Oil Tools Inc Apparatus for disengaging threaded joints
US2947362A (en) * 1956-09-06 1960-08-02 Houston Oil Field Mat Co Inc Fishing tool
US3211484A (en) * 1962-11-02 1965-10-12 Sandvikens Jernverks Ab Extension rod for drill rods
US3667252A (en) * 1970-11-02 1972-06-06 Nelson Arthur J Coupling for drill string
US3737189A (en) * 1971-12-23 1973-06-05 Cities Service Oil Co Reversible tie-back tool

Also Published As

Publication number Publication date
AU549216B2 (en) 1986-01-23
EP0025650A1 (en) 1981-03-25
CA1194858A (en) 1985-10-08
AU6182080A (en) 1981-03-12

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