GB1444016A - Drilling of bore holes - Google Patents

Drilling of bore holes

Info

Publication number
GB1444016A
GB1444016A GB4140475A GB4140475A GB1444016A GB 1444016 A GB1444016 A GB 1444016A GB 4140475 A GB4140475 A GB 4140475A GB 4140475 A GB4140475 A GB 4140475A GB 1444016 A GB1444016 A GB 1444016A
Authority
GB
United Kingdom
Prior art keywords
drilling
bore holes
borehole
trentham
percy
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
GB4140475A
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.)
TRENTHAM Ltd G PERCY
Original Assignee
TRENTHAM Ltd G PERCY
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 TRENTHAM Ltd G PERCY filed Critical TRENTHAM Ltd G PERCY
Priority to GB4140475A priority Critical patent/GB1444016A/en
Publication of GB1444016A publication Critical patent/GB1444016A/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • 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
    • E21B3/025—Surface drives for rotary drilling with a to-and-fro rotation of the tool

Abstract

1444016 Handling borehole casings G PERCY TRENTHAM Ltd 29 March 1974 [23 May 1973] 41404/75 Divided out of 1444014 Heading E1F The specification describes and claims the borehole casing, including the clamp mechanism, disclosed in the parent Specification.
GB4140475A 1973-05-23 1973-05-23 Drilling of bore holes Expired GB1444016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4140475A GB1444016A (en) 1973-05-23 1973-05-23 Drilling of bore holes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4140475A GB1444016A (en) 1973-05-23 1973-05-23 Drilling of bore holes

Publications (1)

Publication Number Publication Date
GB1444016A true GB1444016A (en) 1976-07-28

Family

ID=10419541

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4140475A Expired GB1444016A (en) 1973-05-23 1973-05-23 Drilling of bore holes

Country Status (1)

Country Link
GB (1) GB1444016A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2344366A (en) * 1998-11-13 2000-06-07 Bj Services Co Pushdown and rotating tool for borehole casing.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2344366A (en) * 1998-11-13 2000-06-07 Bj Services Co Pushdown and rotating tool for borehole casing.
GB2344366B (en) * 1998-11-13 2003-01-08 Bj Services Co Casing pushdown and rotating tool

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Legal Events

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