发明名称 |
Single-direction cementing plug |
摘要 |
The present invention generally relates to apparatus and methods for completing a well. Particularly, the present invention relates to a single-direction plug for use with cementing applications and with drilling with casing applications. One embodiment comprises a cement plug for installation in a wellbore casing. The plug includes a body and gripping members for preventing movement of the body in a first axial direction relative to the casing. The plug further comprises a sealing member for sealing a fluid path between the body and the casing. The plug is movable in a second axial direction with fluid pressure but is not movable in the first direction due to fluid pressure.
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申请公布号 |
US2004251025(A1) |
申请公布日期 |
2004.12.16 |
申请号 |
US20040767322 |
申请日期 |
2004.01.29 |
申请人 |
GIROUX RICHARD L.;BRUNNERT DAVID J.;GALLOWAY GREGORY GUY;JORDAN JOHN C. |
发明人 |
GIROUX RICHARD L.;BRUNNERT DAVID J.;GALLOWAY GREGORY GUY;JORDAN JOHN C. |
分类号 |
E21B33/134;E21B33/16;(IPC1-7):E21B33/13 |
主分类号 |
E21B33/134 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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