GB9325578D0 - A valve for controlling fluid flow in an oil or gas well - Google Patents

A valve for controlling fluid flow in an oil or gas well

Info

Publication number
GB9325578D0
GB9325578D0 GB939325578A GB9325578A GB9325578D0 GB 9325578 D0 GB9325578 D0 GB 9325578D0 GB 939325578 A GB939325578 A GB 939325578A GB 9325578 A GB9325578 A GB 9325578A GB 9325578 D0 GB9325578 D0 GB 9325578D0
Authority
GB
United Kingdom
Prior art keywords
oil
valve
fluid flow
gas well
controlling fluid
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
GB939325578A
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 GB939325578A priority Critical patent/GB9325578D0/en
Publication of GB9325578D0 publication Critical patent/GB9325578D0/en
Priority to GB9425135A priority patent/GB2285076B/en
Pending legal-status Critical Current

Links

GB939325578A 1993-12-14 1993-12-14 A valve for controlling fluid flow in an oil or gas well Pending GB9325578D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB939325578A GB9325578D0 (en) 1993-12-14 1993-12-14 A valve for controlling fluid flow in an oil or gas well
GB9425135A GB2285076B (en) 1993-12-14 1994-12-13 A valve for controlling fluid flow in an oil or gas well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939325578A GB9325578D0 (en) 1993-12-14 1993-12-14 A valve for controlling fluid flow in an oil or gas well

Publications (1)

Publication Number Publication Date
GB9325578D0 true GB9325578D0 (en) 1994-02-16

Family

ID=10746587

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939325578A Pending GB9325578D0 (en) 1993-12-14 1993-12-14 A valve for controlling fluid flow in an oil or gas well
GB9425135A Expired - Fee Related GB2285076B (en) 1993-12-14 1994-12-13 A valve for controlling fluid flow in an oil or gas well

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9425135A Expired - Fee Related GB2285076B (en) 1993-12-14 1994-12-13 A valve for controlling fluid flow in an oil or gas well

Country Status (1)

Country Link
GB (2) GB9325578D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109577888A (en) * 2019-01-28 2019-04-05 陕西延长石油(集团)有限责任公司研究院 Oil pipe continuous injecting, method for implanting and a kind of not termination of pumping are changed oil pipe method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201916285D0 (en) 2019-11-08 2019-12-25 Coretrax Tech Limited Apparatus & method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4574894A (en) * 1985-07-12 1986-03-11 Smith International, Inc. Ball actuable circulating dump valve
US4889199A (en) * 1987-05-27 1989-12-26 Lee Paul B Downhole valve for use when drilling an oil or gas well
GB2256884A (en) * 1991-06-21 1992-12-23 Pbl Drilling Tools Limited Tubular fitting for use in a drilling string

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109577888A (en) * 2019-01-28 2019-04-05 陕西延长石油(集团)有限责任公司研究院 Oil pipe continuous injecting, method for implanting and a kind of not termination of pumping are changed oil pipe method
CN109577888B (en) * 2019-01-28 2021-05-14 陕西延长石油(集团)有限责任公司研究院 Oil pipe continuous injection device, injection method and method for changing oil pipe without stopping pump

Also Published As

Publication number Publication date
GB9425135D0 (en) 1995-02-08
GB2285076A (en) 1995-06-28
GB2285076B (en) 1997-05-28

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