SALT-TOLERANT, FAST-DISSOLVING, WATER-SOLUBLE RHEOLOGY MODIFIERS

    公开(公告)号:US20200032133A1

    公开(公告)日:2020-01-30

    申请号:US16523642

    申请日:2019-07-26

    Abstract: Compounds, compositions and methods of use thereof are provided, the compounds comprising a hydrophobically modified polyelectrolyte comprising a nonionic monomer, an ionic monomer, a monomer having the structure of Formula 1, and a monomer having the structure of Formula 2, wherein R1, R2, R3, R5, R6, and R7 are independently hydrogen, unsubstituted alkyl, substituted alkyl, carbonyl, carboxyl, aryl, or alkaryl; R4 is linear C3 to C30 alkyl; R8 is branched C3 to C30 alkyl; X1 and X2 are independently —C(O)O—, —C(O)NR9—, —O—, —C(R9)2O—, -arylene-, -arylene-C(R9)2O—, -arylene-C(R9)2N(R10)— or -arylene-C(R9)2N+(R10)2—; R9 and R10 is independently hydrogen or a C1 to C4 alkyl; and wherein a molar ratio of the monomer of Formula 1 to the monomer of Formula 2 is from about 1.5:1 to about 15:1. The compounds are useful as viscosifying agents in oil and gas applications.

    REVERSE EMULSION BREAKER COPOLYMERS
    7.
    发明申请
    REVERSE EMULSION BREAKER COPOLYMERS 审中-公开
    反向乳液断裂器共聚物

    公开(公告)号:US20160369170A1

    公开(公告)日:2016-12-22

    申请号:US15184240

    申请日:2016-06-16

    Abstract: The present invention generally relates to methods for resolving water and oil emulsions in the produced fluid of an oil production system comprising adding a structured copolymer reverse emulsion breaker to the produced fluid of the crude oil production system in an amount effective for resolving an oil-in-water emulsion. In particular, these methods for resolving an oil-in-water emulsion can be used in separation processes where the oil and solids in the produced fluid are separated from the produced water in the produced fluid.

    Abstract translation: 本发明一般涉及在油生产系统的生产流体中分解水和油乳液的方法,包括将结构化共聚物反向破乳剂加入到原油生产系统的生产流体中,其量有效地用于分解油 水乳液。 特别地,用于分解水包油乳液的这些方法可用于分离过程,其中所产生的流体中的油和固体与所产生的流体中的生产水分离。

    CHOLINE-BASED CROSSLINKER COMPOSITIONS FOR FRACTURING FLUIDS
    8.
    发明申请
    CHOLINE-BASED CROSSLINKER COMPOSITIONS FOR FRACTURING FLUIDS 有权
    用于破碎流体的基于氯化物的交联剂组合物

    公开(公告)号:US20140305650A1

    公开(公告)日:2014-10-16

    申请号:US14248906

    申请日:2014-04-09

    Abstract: Disclosed are compositions derived of mixtures of choline ion salts (typically choline chloride) in aqueous solution with suspended particulates of sparingly soluble borate minerals or with alkali or alkaline earth borate salts, boric acid and its ester derivatives and salts, or other aqueous soluble borate forms. These compositions are useful as cross-linkers for polysaccharides and other biopolymers and particularly as used in subterranean treatment fluids for completion and stimulation of oil and gas wells. Advantages of the compositions are the combination into a single package of the properties of clay stabilizing actives (choline ion) and crosslinking actives (borates, etc.), in relatively high concentrations, and these compositions are easy to handle, being stable and pumpable at low temperatures, and with attractive environmental profiles. Also disclosed are the analogous choline solutions mixed with metallic cross-linking ions know in the art such as Zr+, Ti4+, Al3+, & Fe3+.

    Abstract translation: 公开了衍生自水溶液中的胆碱离子盐(通常为氯化胆碱)与微溶硼酸盐矿物悬浮颗粒或碱金属或碱土金属硼酸盐,硼酸及其酯衍生物和盐或其它水溶性硼酸盐形式的混合物的组合物 。 这些组合物可用作多糖和其它生物聚合物的交联剂,特别是用于完成和刺激油气井的地下处理液中。 组合物的优点是以相对高的浓度组合成粘土稳定活性物(胆碱离子)和交联活性物(硼酸盐等)的性质的单一包装,并且这些组合物易于处理,稳定和可泵送 低温,有吸引力的环境特征。 还公开了与本领域已知的金属交联离子如Zr +,Ti4 +,Al3 +和Fe3 +混合的类似的胆碱溶液。

    CROSSLINKER COMPOSITION INCLUDING SYNTHETIC LAYERED SILICATE
    10.
    发明申请
    CROSSLINKER COMPOSITION INCLUDING SYNTHETIC LAYERED SILICATE 审中-公开
    交联剂组合物,包括合成层状硅酸盐

    公开(公告)号:US20160333255A1

    公开(公告)日:2016-11-17

    申请号:US15151950

    申请日:2016-05-11

    CPC classification number: C09K8/685 C09K8/032 C09K8/887 C09K2208/10

    Abstract: Disclosed herein are crosslinker compositions for aqueous hydroxyl functional polymers. The compositions include at least one borate species, about 0.05 wt % to 10 wt % of a synthetic layered silicate, and a water source. The compositions are characterized by shelf stability, wherein the sparingly soluble borate does not undergo sedimentation. The crosslinker compositions are usefully added to aqueous polymer solutions of hydroxyl functional polymers to form injectable compositions for hydraulic fracturing.

    Abstract translation: 本文公开了用于羟基官能聚合物的交联剂组合物。 组合物包括至少一种硼酸盐物质,约0.05重量%至10重量%的合成层状硅酸盐和水源。 组合物的特征在于储存稳定性,其中微溶硼酸盐不会沉降。 交联剂组合物有用地加入到羟基官能聚合物的聚合物水溶液中以形成用于水力压裂的可注射组合物。

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