发明名称 Electropolishing method for oil field tubular goods and drill pipe
摘要 A method of producing fluids from a well bore by polishing the inside diameter surface of a down-hole tubular. The method includes the steps of providing a down-hole tubular having an inside diameter and being made of a carbon steel alloy or a high chromium alloy, preparing an inside diameter surface of the down-hole tubular, subjecting the inside diameter surface to an electropolishing treatment to produce a smooth surface being slick and essentially non-stick, locating the down-hole tubular within the well bore adjacent a fluid-producing formation, and producing the fluids through the inside diameter of the down-hole tubular. The electropolishing treatment can also be applied to the inside diameter surfaces of carbon steel drill pipe.
申请公布号 US6523615(B2) 申请公布日期 2003.02.25
申请号 US20010820270 申请日期 2001.03.28
申请人 JOHN GANDY CORPORATION 发明人 GANDY JOHN B.;ETHRIDGE ROGER E.;MAULDIN CHARLIE R.
分类号 E21B17/00;E21B37/06;(IPC1-7):E21B17/00;B23H3/00;B23H7/00;C25F3/24 主分类号 E21B17/00
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