发明名称 |
OPEN-HOLE MUDCAKE CLEANUP |
摘要 |
Apparatus and methods for performing downhole operations. The apparatus can include a sealing mechanism having an inner bore formed therethrough; a check valve adjacent the sealing mechanism; a circulation device adjacent the check valve; and a rotatable nozzle adjacent the circulation device. The circulation device can include a first tubular member having a radial hole formed therethrough, and a second tubular member disposed about at least a portion of the first tubular member. The second tubular member can also have a radial hole formed therethrough, and the second tubular member can be adapted to longitudinally move about the first tubular member from a first position to a second position. |
申请公布号 |
WO2011035251(A3) |
申请公布日期 |
2011.06.16 |
申请号 |
WO2010US49514 |
申请日期 |
2010.09.20 |
申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION;PEIXOTO, LUIS FELIPE |
发明人 |
PEIXOTO, LUIS FELIPE |
分类号 |
E21B37/00;E21B21/00 |
主分类号 |
E21B37/00 |
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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