ATE21727T1 - Im bohrloch auswechselbares innenausblasventil. - Google Patents

Im bohrloch auswechselbares innenausblasventil.

Info

Publication number
ATE21727T1
ATE21727T1 AT83903662T AT83903662T ATE21727T1 AT E21727 T1 ATE21727 T1 AT E21727T1 AT 83903662 T AT83903662 T AT 83903662T AT 83903662 T AT83903662 T AT 83903662T AT E21727 T1 ATE21727 T1 AT E21727T1
Authority
AT
Austria
Prior art keywords
out valve
replaceable internal
internal blow
hole
hole replaceable
Prior art date
Application number
AT83903662T
Other languages
English (en)
Inventor
Joseph Puntar
B J Parham
Original Assignee
Hydril Co
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
Priority claimed from US06/433,862 external-priority patent/US4478279A/en
Application filed by Hydril Co filed Critical Hydril Co
Application granted granted Critical
Publication of ATE21727T1 publication Critical patent/ATE21727T1/de

Links

AT83903662T 1982-10-12 1983-10-12 Im bohrloch auswechselbares innenausblasventil. ATE21727T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/433,862 US4478279A (en) 1982-10-12 1982-10-12 Retrievable inside blowout preventer valve apparatus
EP83903662A EP0121566B1 (de) 1982-10-12 1983-10-12 Im bohrloch auswechselbares innenausblasventil
PCT/US1983/001581 WO1984001600A1 (en) 1982-10-12 1983-10-12 Retrievable inside blowout preventer valve apparatus

Publications (1)

Publication Number Publication Date
ATE21727T1 true ATE21727T1 (de) 1986-09-15

Family

ID=26091321

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83903662T ATE21727T1 (de) 1982-10-12 1983-10-12 Im bohrloch auswechselbares innenausblasventil.

Country Status (1)

Country Link
AT (1) ATE21727T1 (de)

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee