GB1344821A - Drilling or cutting of earth strata - Google Patents

Drilling or cutting of earth strata

Info

Publication number
GB1344821A
GB1344821A GB6323869A GB1344821DA GB1344821A GB 1344821 A GB1344821 A GB 1344821A GB 6323869 A GB6323869 A GB 6323869A GB 1344821D A GB1344821D A GB 1344821DA GB 1344821 A GB1344821 A GB 1344821A
Authority
GB
United Kingdom
Prior art keywords
unit
drill rod
boom
section
bit
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
GB6323869A
Other languages
English (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.)
MINING DEVELOPMENTS AG
Original Assignee
MINING DEVELOPMENTS AG
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 MINING DEVELOPMENTS AG filed Critical MINING DEVELOPMENTS AG
Publication of GB1344821A publication Critical patent/GB1344821A/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
    • E21B19/08—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
    • E21B19/084—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 with flexible drawing means, e.g. cables

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)
GB6323869A 1969-12-30 1969-12-30 Drilling or cutting of earth strata Expired GB1344821A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6323869 1969-12-30

Publications (1)

Publication Number Publication Date
GB1344821A true GB1344821A (en) 1974-01-23

Family

ID=10488890

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6323869A Expired GB1344821A (en) 1969-12-30 1969-12-30 Drilling or cutting of earth strata

Country Status (4)

Country Link
GB (1) GB1344821A (enrdf_load_stackoverflow)
SU (1) SU419050A3 (enrdf_load_stackoverflow)
ZA (1) ZA708724B (enrdf_load_stackoverflow)
ZM (1) ZM14970A1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172225A (en) * 1985-03-13 1986-09-17 Dobson Park Ind Drilling long holes in confined spaces
US10227834B2 (en) 2014-12-05 2019-03-12 Tracto-Technik Gmbh & Co. Kg Drive of an earth drilling device, earth drilling device, and a method for driving an earth drilling device
CN119267258A (zh) * 2024-12-05 2025-01-07 忆丰电机(嘉善)有限公司 一种组合式可调扬程的深井水泵

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172225A (en) * 1985-03-13 1986-09-17 Dobson Park Ind Drilling long holes in confined spaces
GB2172225B (en) * 1985-03-13 1989-09-06 Dobson Park Ind Drilling apparatus
US10227834B2 (en) 2014-12-05 2019-03-12 Tracto-Technik Gmbh & Co. Kg Drive of an earth drilling device, earth drilling device, and a method for driving an earth drilling device
CN119267258A (zh) * 2024-12-05 2025-01-07 忆丰电机(嘉善)有限公司 一种组合式可调扬程的深井水泵

Also Published As

Publication number Publication date
SU419050A3 (enrdf_load_stackoverflow) 1974-03-05
ZM14970A1 (en) 1971-08-23
ZA708724B (en) 1971-10-27

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee