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目前显示的是标签为“double ram bop”的博文

Ram blowout preventer

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Ram BOP is a key part of well-control equipment. It’s used for controlling wellhead pressure during well drilling, workover and testing etc., preventing well blowout effectively and realizing safe construction. It can be used: To seal the annulus area between casing and drilling string by pipe ram when there is tubular in thewell bore; To seal the well completely by blind ram when there is no tubular in the well bore; To cut off the drilling strings to seal the well by shear ram when in emergence; To circulate, release, kill or clean the well by connection with the spool and choke & kill manifold when the wellhead is close; To control the well pressure effectively by connection with choke & kill manifold, achieving near-balanced drilling operation. Type U Ram Bop TYPE U ram BOP is designed and manufactured according to API Spec 16A standard and GB/T20174 Drilling and production equipment-Drill-through equipment, and is equipped with rams of various sizes. With the b...