GB8517815D0 - Rotary head - Google Patents

Rotary head

Info

Publication number
GB8517815D0
GB8517815D0 GB858517815A GB8517815A GB8517815D0 GB 8517815 D0 GB8517815 D0 GB 8517815D0 GB 858517815 A GB858517815 A GB 858517815A GB 8517815 A GB8517815 A GB 8517815A GB 8517815 D0 GB8517815 D0 GB 8517815D0
Authority
GB
United Kingdom
Prior art keywords
rotary head
rotary
head
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
GB858517815A
Other versions
GB2169333A (en
GB2169333B (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.)
Lam M L
Original Assignee
Lam M L
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 Lam M L filed Critical Lam M L
Publication of GB8517815D0 publication Critical patent/GB8517815D0/en
Priority to US06/794,017 priority Critical patent/US4711310A/en
Priority to CN85108190A priority patent/CN85108190B/en
Priority to EP86100006A priority patent/EP0187637A3/en
Publication of GB2169333A publication Critical patent/GB2169333A/en
Application granted granted Critical
Publication of GB2169333B publication Critical patent/GB2169333B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/002—Drilling with diversely driven shafts extending into the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
GB08517815A 1985-01-04 1985-07-15 A rotary head Expired GB2169333B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US06/794,017 US4711310A (en) 1985-01-04 1985-11-01 Rotary head
CN85108190A CN85108190B (en) 1985-01-04 1985-11-07 Rotary head for drilling machine
EP86100006A EP0187637A3 (en) 1985-01-04 1986-01-02 A rotary head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858500190A GB8500190D0 (en) 1985-01-04 1985-01-04 Rotary head for drilling machine

Publications (3)

Publication Number Publication Date
GB8517815D0 true GB8517815D0 (en) 1985-08-21
GB2169333A GB2169333A (en) 1986-07-09
GB2169333B GB2169333B (en) 1988-01-20

Family

ID=10572413

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858500190A Pending GB8500190D0 (en) 1985-01-04 1985-01-04 Rotary head for drilling machine
GB08517815A Expired GB2169333B (en) 1985-01-04 1985-07-15 A rotary head

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858500190A Pending GB8500190D0 (en) 1985-01-04 1985-01-04 Rotary head for drilling machine

Country Status (2)

Country Link
JP (1) JPS61162695A (en)
GB (2) GB8500190D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1023843B1 (en) * 2016-06-22 2017-08-09 GeoSea N.V. DEVICE AND METHOD FOR DRILLING A SHAFT IN A SUBSTRATE
JP6345829B1 (en) * 2017-03-31 2018-06-20 株式会社関電工 Electric small drilling machine for anchor construction with small diameter bar

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371494A (en) * 1966-02-04 1968-03-05 Atlas Copco Ab Method and means of anchoring an object in the ground
GB1393388A (en) * 1971-08-20 1975-05-07 Ruston Bucyrus Ltd Well drilling method and apparatus

Also Published As

Publication number Publication date
GB8500190D0 (en) 1985-02-13
GB2169333A (en) 1986-07-09
JPS61162695A (en) 1986-07-23
GB2169333B (en) 1988-01-20

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Legal Events

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