CA989302A - Well pipe valve - Google Patents

Well pipe valve

Info

Publication number
CA989302A
CA989302A CA181,816A CA181816A CA989302A CA 989302 A CA989302 A CA 989302A CA 181816 A CA181816 A CA 181816A CA 989302 A CA989302 A CA 989302A
Authority
CA
Canada
Prior art keywords
pipe valve
well pipe
well
valve
pipe
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
CA181,816A
Other versions
CA181816S (en
Inventor
Roy R. Dockins (Jr.)
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.)
B&W Inc
Original Assignee
B&W Inc
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 B&W Inc filed Critical B&W Inc
Priority to CA181,816A priority Critical patent/CA989302A/en
Application granted granted Critical
Publication of CA989302A publication Critical patent/CA989302A/en
Expired legal-status Critical Current

Links

CA181,816A 1973-09-24 1973-09-24 Well pipe valve Expired CA989302A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA181,816A CA989302A (en) 1973-09-24 1973-09-24 Well pipe valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA181,816A CA989302A (en) 1973-09-24 1973-09-24 Well pipe valve

Publications (1)

Publication Number Publication Date
CA989302A true CA989302A (en) 1976-05-18

Family

ID=4097894

Family Applications (1)

Application Number Title Priority Date Filing Date
CA181,816A Expired CA989302A (en) 1973-09-24 1973-09-24 Well pipe valve

Country Status (1)

Country Link
CA (1) CA989302A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020612A (en) * 1989-02-22 1991-06-04 Boart International Limited Wire line core drilling apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020612A (en) * 1989-02-22 1991-06-04 Boart International Limited Wire line core drilling apparatus

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