NON-AQUEOUS BREAKER FLUIDS AND METHODS OF USE THEREOF
摘要
A method of cleaning a wellbore drilled with an oil-based drilling fluid that forms an oil-based filter cake where the method includes:emplacing a breaker fluid into the wellbore, the breaker fluid comprising: a water-miscible non-aqueous fluid; at least one weighting salt; and at least one breaking agent; and shutting in the well for a period of time sufficient to initiate breaking of the oil-based filter cake is disclosed.
申请公布号
WO2010053904(A3)
申请公布日期
2010.07.22
申请号
WO2009US63082
申请日期
2009.11.03
申请人
M-I L.L.C.;DAKIN, EUGENE;SHEPHERD, CHRIS;YOUNG, STEVEN