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CA853062A - Percussive well drill bit - Google Patents

Percussive well drill bit

Info

Publication number
CA853062A
CA853062A CA853062A CA853062DA CA853062A CA 853062 A CA853062 A CA 853062A CA 853062 A CA853062 A CA 853062A CA 853062D A CA853062D A CA 853062DA CA 853062 A CA853062 A CA 853062A
Authority
CA
Canada
Prior art keywords
percussive
drill bit
well drill
well
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
CA853062A
Inventor
R. Kalldin Bjorn
A. V. Magnusson Karl
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
Publication date
Application granted granted Critical
Publication of CA853062A publication Critical patent/CA853062A/en
Expired legal-status Critical Current

Links

CA853062A Percussive well drill bit Expired CA853062A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA853062T

Publications (1)

Publication Number Publication Date
CA853062A true CA853062A (en) 1970-10-06

Family

ID=36338691

Family Applications (1)

Application Number Title Priority Date Filing Date
CA853062A Expired CA853062A (en) Percussive well drill bit

Country Status (1)

Country Link
CA (1) CA853062A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5645132A (en) * 1996-03-04 1997-07-08 Sandvik Ab Drill bit having springless check valve and method of blocking backflow during drilling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5645132A (en) * 1996-03-04 1997-07-08 Sandvik Ab Drill bit having springless check valve and method of blocking backflow during drilling

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