SG71290G - Downhole tool with liquid spring - Google Patents

Downhole tool with liquid spring

Info

Publication number
SG71290G
SG71290G SG71290A SG71290A SG71290G SG 71290 G SG71290 G SG 71290G SG 71290 A SG71290 A SG 71290A SG 71290 A SG71290 A SG 71290A SG 71290 G SG71290 G SG 71290G
Authority
SG
Singapore
Prior art keywords
downhole tool
liquid spring
spring
liquid
downhole
Prior art date
Application number
SG71290A
Original Assignee
Halliburton 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 US06/354,529 external-priority patent/US4444268A/en
Priority claimed from US06/417,947 external-priority patent/US4448254A/en
Application filed by Halliburton Co filed Critical Halliburton Co
Publication of SG71290G publication Critical patent/SG71290G/en

Links

SG71290A 1982-03-04 1990-08-30 Downhole tool with liquid spring SG71290G (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/354,529 US4444268A (en) 1982-03-04 1982-03-04 Tester valve with silicone liquid spring
US06/417,947 US4448254A (en) 1982-03-04 1982-09-14 Tester valve with silicone liquid spring
EP83300882A EP0088550B1 (en) 1982-03-04 1983-02-21 Tester valve with liquid spring

Publications (1)

Publication Number Publication Date
SG71290G true SG71290G (en) 1990-10-26

Family

ID=27226330

Family Applications (1)

Application Number Title Priority Date Filing Date
SG71290A SG71290G (en) 1982-03-04 1990-08-30 Downhole tool with liquid spring

Country Status (1)

Country Link
SG (1) SG71290G (en)

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