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5 Inch Select Tester Valve Drill Stem Testing Alloy Steel

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September 15, 2021
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The select tester valve is composed of four basic sections; ball valve section, upper hydraulic section, nitrogen section and the metering section. The ball valve section contains the ball valve and the mechanism that rotates the ball when the tool is activated; the ball is rotated to the open position allowing the reservoir to flow into the testing string.
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#압력 안전 밸브 #downhole 벨브 #아래로 구멍 시험
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