发明名称 |
Deburring mill tool for wellbore cleaning |
摘要 |
A wellbore cleaning tool for removing irregularities along the inner surface of a wellbore tubular may include a top sub, a cutting assembly, and a bottom sub. The tool is operable to remove irregularities, such as debris, burrs, and jagged edges, along the inside of the wellbore tubular, and thereby provide a clean, inner surface finish. The tool may be actuated into a retracted position, an extended position, and/or a deactivated position. |
申请公布号 |
US9435176(B2) |
申请公布日期 |
2016.09.06 |
申请号 |
US201213662120 |
申请日期 |
2012.10.26 |
申请人 |
Weatherford Technology Holdings, LLC |
发明人 |
Bansal Ram K.;Meeks Arthur Warren;Haq Mohammed Aleemul;Xiao Bin;Mihalj Miroslav;Kippie David Peter;Bailey Thomas F. |
分类号 |
E21B37/02;E21B37/00;E21B10/32;E21B23/04;E21B29/00 |
主分类号 |
E21B37/02 |
代理机构 |
Patterson & Sheridan, LLP |
代理人 |
Patterson & Sheridan, LLP |
主权项 |
1. A wellbore tool, comprising:
a top sub; a cutting assembly comprising:
a mandrel in fluid communication with the top sub;a piston disposed external to the mandrel, wherein the mandrel is disposed through the piston; anda cutting member selectively movable into at least one of a retracted position and an extended position using the piston, wherein the mandrel is in engagement with the cutting member to prevent longitudinal movement of the cutting member; a bottom sub operable to close fluid flow through the tool; and a locking member to prevent movement of the piston in an opposite direction after the piston moves in a first direction to actuate the cutting member into at least one of the retracted position and the extended position. |
地址 |
Houston TX US |