NO841038L - REMOVABLE DEVICE FOR AA HIDDEN DIFFERENCE PRESSURE COOLING IN DRILL - Google Patents

REMOVABLE DEVICE FOR AA HIDDEN DIFFERENCE PRESSURE COOLING IN DRILL

Info

Publication number
NO841038L
NO841038L NO841038A NO841038A NO841038L NO 841038 L NO841038 L NO 841038L NO 841038 A NO841038 A NO 841038A NO 841038 A NO841038 A NO 841038A NO 841038 L NO841038 L NO 841038L
Authority
NO
Norway
Prior art keywords
drill
pressure cooling
removable device
difference pressure
hidden
Prior art date
Application number
NO841038A
Other languages
Norwegian (no)
Other versions
NO163244B (en
NO163244C (en
Inventor
Ronald Paul Steiger
Original Assignee
Exxon Production Research 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 US06/476,082 external-priority patent/US4602690A/en
Application filed by Exxon Production Research Co filed Critical Exxon Production Research Co
Publication of NO841038L publication Critical patent/NO841038L/en
Publication of NO163244B publication Critical patent/NO163244B/en
Publication of NO163244C publication Critical patent/NO163244C/en

Links

NO841038A 1983-03-17 1984-03-16 REMOVABLE DEVICE HIDDEN DIFFERENCE PRESSURE COOLING IB OREBROENNER. NO163244C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/476,082 US4602690A (en) 1980-12-11 1983-03-17 Detachable apparatus for preventing differential pressure sticking in wells

Publications (3)

Publication Number Publication Date
NO841038L true NO841038L (en) 1984-09-18
NO163244B NO163244B (en) 1990-01-15
NO163244C NO163244C (en) 1990-04-25

Family

ID=23890441

Family Applications (1)

Application Number Title Priority Date Filing Date
NO841038A NO163244C (en) 1983-03-17 1984-03-16 REMOVABLE DEVICE HIDDEN DIFFERENCE PRESSURE COOLING IB OREBROENNER.

Country Status (4)

Country Link
AU (1) AU562883B2 (en)
CA (1) CA1210321A (en)
MY (1) MY8700503A (en)
NO (1) NO163244C (en)

Also Published As

Publication number Publication date
MY8700503A (en) 1987-12-31
AU562883B2 (en) 1987-06-18
AU2583284A (en) 1985-09-19
NO163244B (en) 1990-01-15
CA1210321A (en) 1986-08-26
NO163244C (en) 1990-04-25

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