GB614463A - Self-bailing tools for cable tool drills - Google Patents

Self-bailing tools for cable tool drills

Info

Publication number
GB614463A
GB614463A GB20927/46A GB2092746A GB614463A GB 614463 A GB614463 A GB 614463A GB 20927/46 A GB20927/46 A GB 20927/46A GB 2092746 A GB2092746 A GB 2092746A GB 614463 A GB614463 A GB 614463A
Authority
GB
United Kingdom
Prior art keywords
bailing
tools
self
cable tool
tool drills
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
GB20927/46A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB20927/46A priority Critical patent/GB614463A/en
Publication of GB614463A publication Critical patent/GB614463A/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
    • E21B1/00—Percussion drilling
    • E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
    • 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
    • E21B10/00—Drill bits

Abstract

614,463. Check valves. KENDRICK, J. F. July 12, 1946, No. 20927. [Class 135] [Also in Group XXI] A non-return valve 3 is moulded from an elastic material in the form of a hemispherical hollow dome with a threaded cylindrical skirt. The dome is separated into segments E which part when subjected to internal pressure and close, because of the elastic deformation, when the pressure is released.
GB20927/46A 1946-07-12 1946-07-12 Self-bailing tools for cable tool drills Expired GB614463A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB20927/46A GB614463A (en) 1946-07-12 1946-07-12 Self-bailing tools for cable tool drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20927/46A GB614463A (en) 1946-07-12 1946-07-12 Self-bailing tools for cable tool drills

Publications (1)

Publication Number Publication Date
GB614463A true GB614463A (en) 1948-12-15

Family

ID=10154155

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20927/46A Expired GB614463A (en) 1946-07-12 1946-07-12 Self-bailing tools for cable tool drills

Country Status (1)

Country Link
GB (1) GB614463A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930199A (en) * 1955-03-24 1960-03-29 Jarund Harry Sigurd Valdemar Method of anchoring bolts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930199A (en) * 1955-03-24 1960-03-29 Jarund Harry Sigurd Valdemar Method of anchoring bolts

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