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    • 1. 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。
    • 6. 发明申请
    • ENZYMATIC OIL-DEGUMMING METHOD
    • ENIYYY油脂脱水方法
    • WO2006008508A1
    • 2006-01-26
    • PCT/GB2005/002823
    • 2005-07-18
    • DANISCO A/SSOE, Jorn, BorchTURNER, Mark
    • SOE, Jorn, BorchTURNER, Mark
    • C11B3/00
    • C12N9/1029A21D8/042A23J7/00C11B3/003C12N9/20C12P7/6418C12P7/6445C12P7/6481C12Y301/01003
    • A process of enzymatic degumming edible oils, comprising treating the edible oil with a lipid acyltransferase so as to transfer an acyl group from a major part of the phospholipid to one or more acyl acceptors, wherein the acyl acceptor may be any compound comprising a hydroxy group. In one embodiment preferably the acyl acceptor is water and in another embodiment preferably the acyl acceptor is one or more sterols and/or stanols. When the acyl acceptor is a stanol and/or sterol, one or more sterol esters and/or stanol esters are produced. The lipid acyltransferase for use in the process of the present invention may comprises one or more of the following amino acid sequences: SEQ ID No. 1, SEQ ID No. 3, SEQ ID No. 4, SEQ ID No. 5, SEQ ID No. 6, SEQ ID No. 7, SEQ ID No. 8, SEQ ID No. 9, SEQ ID No. 10, SEQ ID No. 11, SEQ ID No. 12, SEQ ID No. 13, SEQ ID No. 14, or SEQ ID No. 15, SEQ ID No. 16, SEQ ID No. 17, SEQ ID No. 18, SEQ ID No. 36, SEQ ID No. 38, SEQ ID No. 40, SEQ ID No. 41, SEQ ID No 45, SEQ ID No. 47, SEQ ID No. 50 or an amino acid sequence which has 75% or more identity thereto. A novel lipid acyltransferase comprising the amino acid sequence shown as SEQ ID No. 16 is also taught.
    • 一种酶促脱脂食用油的方法,包括用脂质酰基转移酶处理食用油,以将酰基从大部分磷脂转移到一个或多个酰基受体上,其中酰基受体可以是包含羟基的任何化合物 。 在一个实施方案中,优选地,酰基受体是水,并且在另一个实施方案中,优选酰基受体是一种或多种甾醇和/或甾烷醇。 当酰基受体是甾烷醇和/或甾醇时,产生一种或多种甾醇酯和/或甾烷醇酯。 用于本发明方法的脂质酰基转移酶可以包含以下一个或多个氨基酸序列:SEQ ID No.1,SEQ ID No.3,SEQ ID No.4,SEQ ID No.5,SEQ ID No. 6号,SEQ ID No.7,SEQ ID No.8,SEQ ID No.9,SEQ ID No.10,SEQ ID No.11,SEQ ID No.12,SEQ ID No.13,SEQ ID No. 14,或SEQ ID No.15,SEQ ID No.16,SEQ ID No.17,SEQ ID No.18,SEQ ID No.36,SEQ ID No.38,SEQ ID No.40,SEQ ID No.41 ,SEQ ID No.45,SEQ ID No.47,SEQ ID No.50或与其同一性为75%以上的氨基酸序列。 还教导了包含SEQ ID No.16所示的氨基酸序列的新型脂质酰基转移酶。