发明授权
US5137085A Side pocket mandrel 失效
侧口袋

Side pocket mandrel
摘要:
A side pocket mandrel having an internal deflector to prevent a latch seated therein from being bent out into the open bore. Receptacle bore sub-assemblies and deflectors welded into slots cut in the mandrel body such that the interior faces of the welds can be coated with protective material.
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