发明名称 Dynamic seal pad plunger arrangement
摘要 A plunger system for maximizing the liquid lift potential of a plunger arranged for vertical travel in a conduit in a gas/oil production well. The plunger system comprises an elongated plunger body mandrel having an upper or first end and a second or lower end with a fluid transmitting bore extending longitudinally therethrough, from the second or lower end of the plunger body and into at least a central portion of the plunger body, a plurality of curvilinearly shaped, replaceable wear pads arranged in a controllably radially displaceable manner on the plunger body, and at least one fluid ejecting nozzle arranged extending through a side wall of the plunger body.
申请公布号 US2012273222(A1) 申请公布日期 2012.11.01
申请号 US201213506464 申请日期 2012.04.20
申请人 SMITH JESSE L.;GREEN DAVID A.;BENDER ROBERT E.;WELL MASTER CORP 发明人 SMITH JESSE L.;GREEN DAVID A.;BENDER ROBERT E.
分类号 E21B43/12;E21B43/00 主分类号 E21B43/12
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