<p>A method of drilling with a wellbore fluid, wherein the wellbore fluid forms a filtercake on a wellbore wall, that includes pumping the wellbore fluid with an oxidative degradable polymer and an inactivated oxidant; forming a filtercake in a downhole environment by the pumping of the wellbore fluid into a well and allowing some of the fluid to filter into a subterranean rock formation to produce a filtercake comprising the oxidative degradable polymer and inactivated oxidant; and removing the filtercake formed by the wellbore fluid from the wellbore walls by exposing the filterckae with a breaker fluid comprising an aqueous fluid, and at least one iminodiacetic acid or a salt thereof is disclosed.</p>
申请公布号
WO2010107721(A2)
申请公布日期
2010.09.23
申请号
WO2010US27374
申请日期
2010.03.16
申请人
M-I L.L.C;M-I DRILLING FLUIDS UK LIMITED;JONES, ANDREW;NAVARRO- MASCARELL, RAUL;LUYSTER, MARK
发明人
JONES, ANDREW;NAVARRO- MASCARELL, RAUL;LUYSTER, MARK