GB2057535B - Recovery of ground drilling equipment - Google Patents

Recovery of ground drilling equipment

Info

Publication number
GB2057535B
GB2057535B GB8027226A GB8027226A GB2057535B GB 2057535 B GB2057535 B GB 2057535B GB 8027226 A GB8027226 A GB 8027226A GB 8027226 A GB8027226 A GB 8027226A GB 2057535 B GB2057535 B GB 2057535B
Authority
GB
United Kingdom
Prior art keywords
recovery
drilling equipment
ground drilling
ground
equipment
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
GB8027226A
Other versions
GB2057535A (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8027226A priority Critical patent/GB2057535B/en
Publication of GB2057535A publication Critical patent/GB2057535A/en
Application granted granted Critical
Publication of GB2057535B publication Critical patent/GB2057535B/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
    • 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)
GB8027226A 1979-09-04 1980-08-21 Recovery of ground drilling equipment Expired GB2057535B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8027226A GB2057535B (en) 1979-09-04 1980-08-21 Recovery of ground drilling equipment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7930563 1979-09-04
GB8027226A GB2057535B (en) 1979-09-04 1980-08-21 Recovery of ground drilling equipment

Publications (2)

Publication Number Publication Date
GB2057535A GB2057535A (en) 1981-04-01
GB2057535B true GB2057535B (en) 1983-11-16

Family

ID=26272753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8027226A Expired GB2057535B (en) 1979-09-04 1980-08-21 Recovery of ground drilling equipment

Country Status (1)

Country Link
GB (1) GB2057535B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317629B (en) * 1996-09-27 2001-03-28 Red Baron Safety joint
US9212530B2 (en) * 2009-11-16 2015-12-15 National Oilwell Varco, L.P. Assembly and method for wide catch overshot
CN102966325A (en) * 2012-11-16 2013-03-13 沈阳北方重矿机械有限公司 Novel fishing tool

Also Published As

Publication number Publication date
GB2057535A (en) 1981-04-01

Similar Documents

Publication Publication Date Title
GB2020715B (en) Earth boring bit
ZA802230B (en) Earth boring apparatus
GB2053319B (en) Earth boring apparatus
GB2099890B (en) Rock drill
GB2027775B (en) Earth boring bit
JPS5559293A (en) Earth drill
JPS5652286A (en) Drilling rig
AU521213B2 (en) Recovery of subsea well equipment
GB2048339B (en) Drilling apparatus for earth drilling
GB2049760B (en) Mining equipment
GB2060738B (en) Rock drill
GB2021664B (en) Earth boring bits
GB2057535B (en) Recovery of ground drilling equipment
GB2045833B (en) Wellbore drilling technique
GB2018172B (en) Rock drill
GB2042609B (en) Extended reach earth drilling
ZA805223B (en) Recovery of ground drilling equipment
JPS56167091A (en) Earth drill
GB2042024B (en) Underground mining equipment
JPS54126601A (en) Groove drilling apparatus of rock
JPS5789090A (en) Earth drill
JPS5334601A (en) Subsoil drilling equipment
JPS54133706A (en) Earth drill
JPS5481602A (en) Ground borer
JPS5620294A (en) Earth drill

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920821