<p>A sealing system is provided for use in a wellbore(l) formed in an earth formation whereby a stream of fluid produced from the earth formation (6) flows through the wellbore to surface (3). The sealing system comprises a sealing device (18) arranged to seal a selected portion of the wellbore from the stream of produced fluid, a compound arranged to be absorbed by fluid from the earth formation entering the stream of produced fluid via the selected wellbore portion, and detection means (16) operable to detect said compound in the stream of produced fluid.</p>
申请公布号
WO2008049835(A1)
申请公布日期
2008.05.02
申请号
WO2007EP61338
申请日期
2007.10.23
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.;SHELL CANADA LIMITED;BAAIJENS, MATHEUS, NORBERTUS;CORNELISSEN, ERIK, KERST;OJUKWU, KEITH, ISAAC
发明人
BAAIJENS, MATHEUS, NORBERTUS;CORNELISSEN, ERIK, KERST;OJUKWU, KEITH, ISAAC