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BPV adopts special short buttress thread, and it is higy h strngth, independence, long service time, etc.
BPV could be assembled and disassembled by using its running&retrieve tool to control well pressure effectively and quickly.
There are two kinds of BPV, one way and two way. The one-way BPV provide circulating drill fluids downwards and shutting off pressure test for Christmas tree under tubing hanger.
BPV could be assembled and disassembled by using its running&retrieve tool to control well pressure effectively and quickly.
There are two kinds of BPV, one way and two way. The one-way BPV provide circulating drill fluids downwards and shutting off pressure test for Christmas tree under tubing hanger.