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    • 9. 发明申请
    • SPOTTING FLUID COMPOSITIONS AND ASSOCIATED METHODS
    • 分选流体组合物及相关方法
    • WO2006077372A1
    • 2006-07-27
    • PCT/GB2005/005099
    • 2005-12-30
    • HALLIBURTON ENERGY SERVICES, INC.WAIN, Christopher, PaulDEVILLE, Jay, P.
    • DEVILLE, Jay, P.
    • C09K8/02C09K8/36E21B31/03
    • C09K8/02C09K8/36C09K2208/02E21B31/03
    • Fluids and associated methods useful in subterranean applications are provided. More particularly, methods of reducing drill string sticking are provided, which include: providing a spotting fluid composition comprising a water insoluble external phase fluid, a water soluble internal phase fluid, and an ether carboxylic acid emulsifying agent; introducing the spotting fluid to the vicinity of a desired portion of a drill string; and allowing the spotting fluid to interact with a portion of material surrounding the desired portion of the drill string spotting fluid. Compositions are provided that may be useful in subterranean applications for addressing, among other things, drill string sticking problems. Additional optional components may be used, such as viscosifiers, weighting agents, and wetting agents.
    • 提供了在地下应用中有用的流体和相关方法。 更具体地,提供了减少钻柱粘贴的方法,其包括:提供包含水不溶性外相流体,水溶性内相流体和醚羧酸乳化剂的点样液组合物; 将点样流体引导到钻柱的期望部分附近; 并且允许点样流体与围绕钻柱点样流体的期望部分的一部分材料相互作用。 提供了组合物,其可用于地下应用中,用于寻址,除其他外,钻柱粘附问题。 可以使用附加的任选组分,例如增粘剂,增重剂和润湿剂。