发明名称 |
METHOD AND SYSTEM FOR SEALING AN ANNULUS ENCLOSING A TUBULAR ELEMENT |
摘要 |
The invention provides a method and a system for sealing an annulus enclosing a tubular element in a wellbore. The method comprises the steps of introducing a first drilling fluid in the wellbore; drilling an open hole section of the wellbore using a drilling tool suspended at the end of a drill string; replacing the drilling fluid with a sealing fluid; extending the tubular element into the open hole section of the wellbore; and flushing part of the sealing fluid out of the wellbore, leaving an annulus between the tubular element and a wellbore wall filled with a layer of sealing fluid. The aforementioned steps may be repeated as required. |
申请公布号 |
WO2013167520(A1) |
申请公布日期 |
2013.11.14 |
申请号 |
WO2013EP59360 |
申请日期 |
2013.05.06 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.;SHELL OIL COMPANY |
发明人 |
HARTMAN, STEFAN AERNOUT;KRIESELS, PETRUS CORNELIS;SASHIDHAR, DHIVYA |
分类号 |
E21B43/10;E21B7/20 |
主分类号 |
E21B43/10 |
代理机构 |
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代理人 |
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