Downhole Select Tester Valve Alloy Steel For Drill Stem Testing

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September 13, 2021
Category Connection: Select Tester Valve
Quality Select Tester Valve from China. The Full Bore Downhole Tester Valve is the Select Tester Valve in Halliburton, which is an annulus pressure controlled ball valve and is designed to allow multiple cycles during cased hole testing and perforating operations.
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