GB8306952D0 - Ground drilling - Google Patents

Ground drilling

Info

Publication number
GB8306952D0
GB8306952D0 GB838306952A GB8306952A GB8306952D0 GB 8306952 D0 GB8306952 D0 GB 8306952D0 GB 838306952 A GB838306952 A GB 838306952A GB 8306952 A GB8306952 A GB 8306952A GB 8306952 D0 GB8306952 D0 GB 8306952D0
Authority
GB
United Kingdom
Prior art keywords
ground drilling
drilling
ground
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.)
Granted
Application number
GB838306952A
Other versions
GB2136851B (en
GB2136851A (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.)
SHIGA S
Original Assignee
SHIGA S
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 SHIGA S filed Critical SHIGA S
Priority to GB08306952A priority Critical patent/GB2136851B/en
Publication of GB8306952D0 publication Critical patent/GB8306952D0/en
Publication of GB2136851A publication Critical patent/GB2136851A/en
Application granted granted Critical
Publication of GB2136851B publication Critical patent/GB2136851B/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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/10—Formed core retaining or severing means
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/10—Formed core retaining or severing means
    • E21B25/14—Formed core retaining or severing means mounted on pivot transverse to core axis
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/003—Drilling with mechanical conveying means
    • E21B7/005—Drilling with mechanical conveying means with helical conveying means
    • E21B7/006—Drilling with mechanical conveying means with helical conveying means combined with a bucket-type container

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
GB08306952A 1983-03-14 1983-03-14 Apparatus and methods of ground drilling Expired GB2136851B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08306952A GB2136851B (en) 1983-03-14 1983-03-14 Apparatus and methods of ground drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08306952A GB2136851B (en) 1983-03-14 1983-03-14 Apparatus and methods of ground drilling

Publications (3)

Publication Number Publication Date
GB8306952D0 true GB8306952D0 (en) 1983-04-20
GB2136851A GB2136851A (en) 1984-09-26
GB2136851B GB2136851B (en) 1986-05-29

Family

ID=10539517

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08306952A Expired GB2136851B (en) 1983-03-14 1983-03-14 Apparatus and methods of ground drilling

Country Status (1)

Country Link
GB (1) GB2136851B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109083592A (en) * 2018-10-12 2018-12-25 国网冀北电力有限公司唐山供电公司 A kind of rock bar hole excavation structure and its construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109083592A (en) * 2018-10-12 2018-12-25 国网冀北电力有限公司唐山供电公司 A kind of rock bar hole excavation structure and its construction method

Also Published As

Publication number Publication date
GB2136851B (en) 1986-05-29
GB2136851A (en) 1984-09-26

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Legal Events

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

Effective date: 20000314