ZA751648B - Drilling machine constant feed-force and swell compensating apparatus - Google Patents

Drilling machine constant feed-force and swell compensating apparatus

Info

Publication number
ZA751648B
ZA751648B ZA00751648A ZA751648A ZA751648B ZA 751648 B ZA751648 B ZA 751648B ZA 00751648 A ZA00751648 A ZA 00751648A ZA 751648 A ZA751648 A ZA 751648A ZA 751648 B ZA751648 B ZA 751648B
Authority
ZA
South Africa
Prior art keywords
force
drilling machine
compensating apparatus
constant feed
machine constant
Prior art date
Application number
ZA00751648A
Inventor
L Wassenaar
Original Assignee
Rock Fall Co Ltd A British Co
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 Rock Fall Co Ltd A British Co filed Critical Rock Fall Co Ltd A British Co
Publication of ZA751648B publication Critical patent/ZA751648B/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/09—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string

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)
ZA00751648A 1974-03-25 1975-03-17 Drilling machine constant feed-force and swell compensating apparatus ZA751648B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13256/74A GB1504861A (en) 1974-03-25 1974-03-25 Drilling machine constant feed-force apparatus

Publications (1)

Publication Number Publication Date
ZA751648B true ZA751648B (en) 1976-02-25

Family

ID=10019661

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00751648A ZA751648B (en) 1974-03-25 1975-03-17 Drilling machine constant feed-force and swell compensating apparatus

Country Status (2)

Country Link
GB (1) GB1504861A (en)
ZA (1) ZA751648B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105507827A (en) * 2015-12-23 2016-04-20 宝鸡石油机械有限责任公司 Lifting oil cylinder type well drilling device

Also Published As

Publication number Publication date
GB1504861A (en) 1978-03-22

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