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    • 118. 发明申请
    • PROVISION OF VISCOUS COMPOSITIONS BELOW GROUND
    • 接近地面粘度组合物的施工
    • WO2010082113A2
    • 2010-07-22
    • PCT/IB2010/000045
    • 2010-01-12
    • SCHLUMBERGER TECHNOLOGY B.V.SCHLUMBERGER HOLDINGS LIMITEDSCHLUMBERGER CANADA LIMITEDSERVICES PETROLIERS SCHLUMBERGERPRAD RESEARCH AND DEVELOPMENT LIMITEDTURNER, MarkTUSTIN, GaryVATRY, ChristelleSULLIVAN, Philip
    • TURNER, MarkTUSTIN, GaryVATRY, ChristelleSULLIVAN, Philip
    • E21B43/16E21B43/26E21B43/267
    • C09K8/685C09K8/40C09K8/512C09K8/516C09K8/52C09K8/5756C09K8/602C09K8/70C09K8/887
    • A method of providing a viscous emulsion at a subterranean location accessible via a wellbore, begins by providing an aqueous/aqueous emulsion comprising two aqueous solutions which, at surface temperature and pressure, are able to co-exist as separate aqueous phases in contact with each other. The two phases contain respective solutes which are sufficiently incompatible that they cause phase separation. The dispersed phase is rich in one solute, which may be a thickening polymer, while continuous phase is rich in a second solute, which may comprise surfactant. A hydrophobic liquid is dispersed in this emulsion to become the dispersed phase of a viscous emulsion whose continuous phase is provided by the aqueous/aqueous emulsion. The hydrophobic liquid and the aqueous/aqueous emulsion may be pumped separately down the wellbore to the subterranean location, and allowed to mix there so as to form the viscous emulsion at the subterranean location. On mixing, surfactant from the aqueous/aqueous emulsion may migrate to the oil/water interface, allowing the aqueous phases to become one phase with the result that the emulsion is further thickened by any thickening polymer in its composition. Even more thickening can be achieved by crosslinking the thickening polymer.
    • 在通过井孔可接近的地下位置提供粘性乳液的方法开始于提供包含两种水溶液的水性/水性乳液,这些水溶液在表面温度和压力下能够作为与每个相接触的分开的水相共存 其他。 这两个相含有各自的溶质,它们是相互不相容的,它们引起相分离。 分散相富含一种溶质,其可以是增稠聚合物,而连续相富含第二溶质,其可以包含表面活性剂。 疏水性液体分散在该乳液中,成为其连续相由水/乳液提供的粘性乳液的分散相。 疏水性液体和水性/水性乳液可以在井眼下分别泵送到地下位置,并允许在那里混合,以便在地下位置形成粘性乳液。 在混合时,来自水/乳液的表面活性剂可以迁移到油/水界面,使水相变成一相,结果乳液在其组成中被任何增稠聚合物进一步增稠。 通过交联增稠聚合物可以获得更多的增稠。
    • 120. 发明申请
    • PROPPANT ADDITION SYSTEM AND RELATED METHODS
    • 专用添加系统及相关方法
    • WO2010071994A1
    • 2010-07-01
    • PCT/CA2009/001871
    • 2009-12-24
    • GASFRAC ENERGY SERVICES INC.FORDYCE, VictorLOREE, Dwight N.
    • FORDYCE, VictorLOREE, Dwight N.
    • E21B43/267E21B33/068
    • E21B43/267
    • An apparatus and related method for fracturing a formation penetrated by a well is disclosed comprising a frac pressure pump, a frac fluid source, and a proppant supply source. The frac pressure pump is connected to the well. The frac fluid source is connected to supply a stream of frac fluid to the frac pressure pump. The proppant supply source has a proppant receiver, a positive displacement pump, and at least an inlet into the proppant supply source. The at least an inlet is connected to one or more liquid hydrocarbon sources to supply liquid hydrocarbons to proppant in the proppant supply source.The positive displacement pump is connected to pump proppant into the stream of frac fluid before the frac pressure pump. Fluid lines connecting the frac pressure pump, the well, and the frac fluid source have isolation valves spaced so that the volume of fluid containable between any set of neighboring isolation valves is less than or equal to 500 L. A proppant supply source may be connected to pump proppant through a linear valve control into a stream of frac fluid.
    • 公开了一种用于压裂由井渗透的地层的装置和相关方法,包括压裂压力泵,压裂液源和支撑剂供应源。 压裂压力泵连接到井。 压裂流体源被连接以将压裂流体流供应到压裂压力泵。 支撑剂供应源具有支撑剂接收器,容积式泵,以及至少一个进入支撑剂供应源的入口。 至少一个入口连接到一个或多个液态碳氢化合物源,以将液体烃供应到支撑剂供应源中的支撑剂。正压容器泵在压裂压力泵之前连接到泵支撑剂到压裂流体流中。 连接压裂压力泵,井和压裂流体源的流体管线具有间隔开的隔离阀,使得可以在任何一组相邻的隔离阀之间容纳的流体的体积小于或等于500L。可以连接支撑剂供应源 通过线性阀控制将支撑剂泵送到压裂流体流中。