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公开(公告)号:US10351761B2
公开(公告)日:2019-07-16
申请号:US15300059
申请日:2014-03-31
Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
Inventor: Vadim Kamil'evich Khlestkin , Christopher Fredd , Bruno Lecerf
Abstract: The method allows employing proppant surface modification with the emulsified treatment material for proppant delivery deep into far-field fracture zone during operations of hydraulic fracturing or heterogeneous proppant placement via proppant aggregation. In the case of gravel packing operations, to maintain the circulation of the proppant slurry for homogeneous proppant settling to the desired wellbore location. The emulsified treatment material can be degradable of non-degradable in downhole conditions.
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公开(公告)号:US20140374106A1
公开(公告)日:2014-12-25
申请号:US14369451
申请日:2012-12-21
Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
Inventor: S. Sherry Zhu , Huilin Tu , Vadim Kamil'evich Khlestkin , Miranda Amarante
Abstract: In general, the current disclosure relates to multicomponent fibers that have accelerated degradation in water in low temperature conditions, and their various industrial, medical and consumer product uses. Such materials are especially useful for uses in subterranean wells in oil and gas production. In some embodiments, the compositions of materials have accelerated degradation even at Ultra Low Temperature (“ULT”) (≦60° C.) in subterranean formations.
Abstract translation: 通常,本公开涉及在低温条件下加速水分降解的多组分纤维及其各种工业,医疗和消费品用途。 这种材料对于在油气生产的地下井中的使用特别有用。 在一些实施方案中,即使在地下地层中的超低温(“ULT”)(& 60℃),材料的组合物也加速了降解。
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公开(公告)号:US20160040059A1
公开(公告)日:2016-02-11
申请号:US14886574
申请日:2015-10-19
Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
IPC: C09K8/68 , C09K8/80 , E21B43/267
CPC classification number: C09K8/68 , C09K8/685 , C09K8/80 , C09K2208/08 , E21B43/267
Abstract: A method is given for heterogeneous proppant placement in fracturing by in situ aggregation of fine mesh proppant particulates or other materials such as fibers in a subterranean fracture. A polymer is injected into a subterranean formation and is subsequently subjected to a chemical reaction, for example hydrolysis, under downhole conditions, which leads to formation of either a cationic or an anionic polyelectrolyte. Alternatively, the polyelectrolyte is synthesized downhole by, for example, a Hofmann degradation or a Mannich reaction. The polyelectrolyte acts as a flocculant and provides aggregation of solid particulates such as sand, mica, silica flour, ceramics and the like, which leads to formation of proppant micropillars deep in the fracture. Methods of aggregation of fibers to enhance bridging, and other applications of controlled flocculation are also given.
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公开(公告)号:US20140318786A1
公开(公告)日:2014-10-30
申请号:US14366717
申请日:2011-12-19
Applicant: Schlumberger Technology Corporation
Inventor: Konstantin Viktorovich Vidma , Sergey Mikhailovich Makarychev-Mikhailo , Anna Sergeyevna Mezdrokhina , Vadim Kamil'evich Khlestkin
CPC classification number: C09K8/46 , C09K8/665 , C09K8/68 , C09K8/70 , C09K8/88 , E21B33/13 , E21B43/263 , E21B43/267
Abstract: Subterreanean formations penetrated by a wellbore may be stimulated by injecting a well-treatment fluid at a rate and pressure sufficient to create and propagate a fracture in the formation. The treatment fluid comprises a first slurry comprising at least one inorganic cement, water and at least one disruptive agent that may cause the formation of open channels in the fracture through which hydrocarbons in the formation may flow into the wellbore. The disruptive agent may comprise (but would not be limited to) water-soluble polymers that cause flocculation and agglomeration of cement solids, expansive agents, explosive agents, degradable materials, or a combination thereof.
Abstract translation: 可以通过以足以产生和传播地层中的断裂的速率和压力注入井下处理流体来刺激穿透井眼的亚甲烷地层。 处理流体包括第一浆料,其包含至少一种无机粘合剂,水和至少一种破坏剂,其可能导致在裂缝中形成开放通道,地层中的烃可以通过该通道流入井眼。 破坏剂可以包括(但不限于)导致水泥固体,膨胀剂,爆炸剂,可降解材料或其组合的絮凝和附聚的水溶性聚合物。
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