AU8539582A - Annulus pressure controlled reversing valve - Google Patents

Annulus pressure controlled reversing valve

Info

Publication number
AU8539582A
AU8539582A AU85395/82A AU8539582A AU8539582A AU 8539582 A AU8539582 A AU 8539582A AU 85395/82 A AU85395/82 A AU 85395/82A AU 8539582 A AU8539582 A AU 8539582A AU 8539582 A AU8539582 A AU 8539582A
Authority
AU
Australia
Prior art keywords
reversing valve
pressure controlled
annulus pressure
controlled reversing
annulus
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.)
Abandoned
Application number
AU85395/82A
Inventor
Not Given Name
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.)
Schlumberger Technology Corp
Original Assignee
Schlumberger Technology Corp
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 Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of AU8539582A publication Critical patent/AU8539582A/en
Abandoned legal-status Critical Current

Links

AU85395/82A 1981-06-29 1982-06-28 Annulus pressure controlled reversing valve Abandoned AU8539582A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27811681A 1981-06-29 1981-06-29
US278116 1981-06-29

Publications (1)

Publication Number Publication Date
AU8539582A true AU8539582A (en) 1983-01-06

Family

ID=23063739

Family Applications (1)

Application Number Title Priority Date Filing Date
AU85395/82A Abandoned AU8539582A (en) 1981-06-29 1982-06-28 Annulus pressure controlled reversing valve

Country Status (1)

Country Link
AU (1) AU8539582A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU571117B2 (en) * 1984-11-28 1988-03-31 Halliburton Company Downhole tool with compression chamber
AU586868B2 (en) * 1985-07-03 1989-07-27 Halliburton Company Method of well testing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU571117B2 (en) * 1984-11-28 1988-03-31 Halliburton Company Downhole tool with compression chamber
AU586868B2 (en) * 1985-07-03 1989-07-27 Halliburton Company Method of well testing

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