Multi-sensor relief valve well test system

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United States of America Patent

PATENT NO 5501272
SERIAL NO

08199242

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A well testing system is described which comprises a ball valve (10) having a plurality of fluid lines coupled thereto (20a, 20b, 20c). The ball valve (10) is located between a process fluid flow line (16) and a vent line (18) with each fluid line (20a, 20b, 20c) being coupled to a respective piece of well-test equipment rated at a certain pressure value. Pressure relief means (22a, 22b, 22c) are located in each fluid line (20a, 20b, 20c) between the piece of equipment and said ball valve (10) and each pressure relief means (22a, 22b, 22c) is operable when the in-line fluid pressure exceeds a predetermined value to pass said fluid to said ball valve (10). The ball valve (10) is actuatable in response to any one of said pressure relief means (22a, 22b, 22c) having fluid passed therethrough whereby the ball valve is actuated to an open position and remains in the open position once actuated, so that the well reservoir fluid/gas mixture from said fluid flow line (16) passes through the ball valve (10) to said vent line (18).

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Patent Owner(s)

Patent OwnerAddress
EXPRO NORTH SEA LIMITEDLION HOUSE DYCE AVE DYCE ABERDEENSHIRE AB21 0LQ

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coutts, Graeme F Scotland, GB 3 26
Edwards, Jeffrey C Scotland, GB 11 123

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