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GB8816575D0 - Well backsurging apparatus & method - Google Patents

Well backsurging apparatus & method

Info

Publication number
GB8816575D0
GB8816575D0 GB888816575A GB8816575A GB8816575D0 GB 8816575 D0 GB8816575 D0 GB 8816575D0 GB 888816575 A GB888816575 A GB 888816575A GB 8816575 A GB8816575 A GB 8816575A GB 8816575 D0 GB8816575 D0 GB 8816575D0
Authority
GB
United Kingdom
Prior art keywords
backsurging
well
well backsurging
backsurging apparatus
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.)
Pending
Application number
GB888816575A
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.)
Phoenix Petroleum Services Ltd
Original Assignee
Phoenix Petroleum Services Ltd
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 Phoenix Petroleum Services Ltd filed Critical Phoenix Petroleum Services Ltd
Priority to GB888816575A priority Critical patent/GB8816575D0/en
Publication of GB8816575D0 publication Critical patent/GB8816575D0/en
Priority to PCT/GB1989/000779 priority patent/WO1990000668A1/en
Pending legal-status Critical Current

Links

GB888816575A 1988-07-12 1988-07-12 Well backsurging apparatus & method Pending GB8816575D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB888816575A GB8816575D0 (en) 1988-07-12 1988-07-12 Well backsurging apparatus & method
PCT/GB1989/000779 WO1990000668A1 (en) 1988-07-12 1989-07-11 Well backsurging apparatus and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888816575A GB8816575D0 (en) 1988-07-12 1988-07-12 Well backsurging apparatus & method

Publications (1)

Publication Number Publication Date
GB8816575D0 true GB8816575D0 (en) 1988-08-17

Family

ID=10640311

Family Applications (1)

Application Number Title Priority Date Filing Date
GB888816575A Pending GB8816575D0 (en) 1988-07-12 1988-07-12 Well backsurging apparatus & method

Country Status (2)

Country Link
GB (1) GB8816575D0 (en)
WO (1) WO1990000668A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO173750C (en) * 1991-09-30 1994-01-26 Wepco As Circulating Equipment
GB201514968D0 (en) 2015-08-23 2015-10-07 Weatherford Uk Ltd Pressure operated apparatus and method
CN109577912B (en) * 2018-12-27 2024-03-01 中国石油天然气集团有限公司 Blowout prevention tool in underbalanced lower oil pipe and one-pass underbalanced combined oil extraction method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776015A (en) * 1954-05-21 1957-01-01 Exxon Research Engineering Co Retrievable tubing plug
US3889751A (en) * 1974-02-01 1975-06-17 Exxon Production Research Co Subsurface safety valve
US4142583A (en) * 1977-09-02 1979-03-06 Brieger Emmet F Well tool pack-off with sinker bar release means
US4220206A (en) * 1979-01-22 1980-09-02 Winkle Denzal W Van Quick opening closure arrangement for well completions
US4330039A (en) * 1980-07-07 1982-05-18 Geo Vann, Inc. Pressure actuated vent assembly for slanted wellbores
US4343357A (en) * 1980-10-10 1982-08-10 Yeates Robert D Downhole surge tools
US4339001A (en) * 1980-10-14 1982-07-13 Otis Engineering Corporation Safety valve
US4529038A (en) * 1982-08-19 1985-07-16 Geo Vann, Inc. Differential vent and bar actuated circulating valve and method
US4693314A (en) * 1986-02-18 1987-09-15 Halliburton Company Low actuation pressure bar vent
WO1987007925A1 (en) * 1986-06-19 1987-12-30 Phoenix Petroleum Services Improvements relating to detonating heads

Also Published As

Publication number Publication date
WO1990000668A1 (en) 1990-01-25

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