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1. 发明授权

US10774258B2 Sequenced polymers for monitoring the filtrate 有权
公开(公告)号：US10774258B2
公开(公告)日：2020-09-15
申请号：US15564801
申请日：2016-04-06
申请人： RHODIA OPERATIONS
发明人： Arnaud Cadix , David James Wilson
IPC分类号： C09K8/76 , C09K8/46 , C08F261/04 , C08F291/00 , C08F293/00 , C08B37/00
摘要： The invention relates to a method for preparing a sequenced copolymer comprising a first block (A) connected to a second block (B), said method comprising the following steps of monitored radical polymerisation: (E1) bringing into contact, typically in an aqueous medium: unsaturated ethylene monomers mA, selected in order to constitute the block (A); a source of free radicals; and an agent for monitoring the radical polymerisation; and then (E2) bringing into contact: the polymer obtained from step (E1); unsaturated ethylene monomers mB; a source of free radicals; and a polymer P0 which is not ethylenically unsaturated and supports labile hydrogens.

2. 发明授权

US10323175B2 Fracturing fluids based on associative polymers and on labile surfactants 有权
公开(公告)号：US10323175B2
公开(公告)日：2019-06-18
申请号：US14783727
申请日：2014-04-10
申请人： RHODIA OPERATIONS
发明人： Arnaud Cadix , James Wilson
IPC分类号： C09K8/60 , C09K8/88 , E21B43/26 , C09K8/68
摘要： The present invention relates to a fracturing fluid comprising, in an aqueous medium: an associative polymer; and a labile surfactant, in an amount sufficient to reduce or inhibit the effect of increasing the viscosity induced by said associative polymer.

3. 发明申请

US20150087565A1 Treatment of underground formations with gels 审中-公开
标题翻译：用凝胶处理地下地层
公开(公告)号：US20150087565A1
公开(公告)日：2015-03-26
申请号：US14394886
申请日：2013-04-18
申请人： RHODIA OPERATIONS
发明人： Arnaud Cadix , Chi-Thanh Vuong
IPC分类号： C09K8/42 , E21B33/138
摘要： The present invention relates to the formation of a gel within a medium M, in particular within an underground formation, which comprises the following steps: (EI) a basic compound C is added to a fluid latex L comprising dispersed particles of a polymer P, bearing ester side functions, said basic compound C being added in an amount suitable for hydrolysing at least one part of said ester side functions into carboxylic acid and/or alcohol functions, as a result of which a modified latex L′ is obtained, the viscosity of which gradually increases with time from the addition of the compound C up to the formation of a gel; then (E2) the resulting modified latex is introduced into the medium M before the formation of the gel and the gel is left to form within the medium M.
摘要翻译：本发明涉及在介质M内，特别是在地下地层内形成凝胶，其包括以下步骤：（EI）将碱性化合物C加入到包含聚合物P的分散颗粒的流体胶乳L中，所述碱性化合物C以适于水解所述酯侧官能团的至少一部分功能的量加入到羧酸和/或醇官能团中，结果得到改性胶乳L'，粘度随着时间的推移，从化合物C的添加到凝胶的形成逐渐增加; 然后（E2），在形成凝胶之前将得到的改性胶乳引入培养基M中，使凝胶在培养基M内形成。

4. 发明授权

US11548956B2 Gelled aqueous composition for oil extraction 有权
公开(公告)号：US11548956B2
公开(公告)日：2023-01-10
申请号：US17041532
申请日：2019-04-10
申请人： RHODIA OPERATIONS
发明人： Arnaud Cadix , David James Wilson
IPC分类号： C09K8/68 , C08F2/26 , C09K8/508
摘要： The present invention relates to the field of oil extraction. More specifically, it relates to a particular polymerization process, which provides access to formulations of polymers that may be used in particular for modifying rheology and fluid loss control during extraction operations and that have a better heat stability.

5. 发明授权

US11198809B2 Amphiphilic polymers for filtrate control 有权
公开(公告)号：US11198809B2
公开(公告)日：2021-12-14
申请号：US15578928
申请日：2016-06-02
申请人： RHODIA OPERATIONS
发明人： Arnaud Cadix , David James Wilson
IPC分类号： C09K8/487 , C04B24/16 , C04B28/04 , C09K8/035 , C09K8/467 , C09K8/88 , C08F293/00 , C09K8/68 , C08F2/38 , C09K8/40 , C04B103/00 , C04B103/40 , C04B103/46
摘要： The present invention relates to the use of amphiphilic sequenced copolymers as an agent for controlling the filtrate in a fluid (F) injected under pressure into an underground formation, comprising—at least one chain (C) soluble in the fluid (F); and—at least one block (B) that is insoluble in the fluid (F).

6. 发明授权

US11168026B2 Block polymers for fluid loss control 有权
公开(公告)号：US11168026B2
公开(公告)日：2021-11-09
申请号：US15026780
申请日：2014-10-03
申请人： RHODIA OPERATIONS
发明人： Arnaud Cadix , David James Wilson
IPC分类号： E21B33/14 , C04B24/26 , C09K8/487 , C09K8/62 , C09K8/035 , C09K8/84 , C09K8/50 , C09K8/88 , C08L53/00 , C04B28/02 , C04B20/10 , C08F293/00 , C04B103/46 , C08F220/06
摘要： The present invention relates to the use of a block polymer as fluid loss control agent in a fluid injected under pressure into an oil-bearing rock, where: the fluid comprises solid particles and/or is brought into contact with solid particles within the oil-bearing rock subsequent to its injection, the polymer comprises: a first block which is adsorbed on at least a portion of the particles; and a second block with a composition distinct from that of the first and with a weight-average molecular weight of greater than 10 000 g/mol, for example of greater than 100 000 g/mol, and which is soluble in the fluid.

7. 发明授权

US09580535B2 Preparation of amphiphilic block polymers by controlled radical micellar polymerisation 有权
标题翻译：通过受控自由基胶束聚合制备两亲嵌段聚合物
公开(公告)号：US09580535B2
公开(公告)日：2017-02-28
申请号：US14353360
申请日：2012-10-24
申请人： RHODIA OPERATIONS
发明人： James Wilson , Mathias Destarac , Arnaud Cadix
IPC分类号： C08F2/38 , C08F297/02 , C08F293/00 , C09K8/04 , C09K8/588 , C09K8/88
CPC分类号： C08F297/026 , C08F2/38 , C08F293/005 , C08F2438/03 , C09K8/04 , C09K8/588 , C09K8/882
摘要： The present invention relates to the preparation of block copolymers, which can be used in particular as rheology agents, suitable, inter alia, for oil extraction, comprising a step of radical micellar polymerization wherein the following are brought into contact in an aqueous medium: —hydrophilic monomers, dissolved or dispersed in the aqueous medium; —hydrophobic monomers in the form of a micellar solution, i.e. containing, in a dispersed state, micelles comprising these hydrophobic monomers; —at least one radical polymerization initiator; and —at least one radical polymerization control agent. The polymers obtained according to the invention can be used in particular for enhanced oil recovery (EOR).
摘要翻译：嵌段共聚物的制备本发明涉及嵌段共聚物的制备，其可特别用作流变剂，特别适用于油提取，包括自由基胶束聚合步骤，其中使下列物质在水性介质中接触：溶解或分散在水介质中的亲水单体; 以胶束溶液形式的疏水单体，即分散状态的包含这些疏水单体的胶束; - 至少一个自由基聚合引发剂; 和至少一种自由基聚合控制剂。根据本发明获得的聚合物特别可用于增强油回收（EOR）。

8. 发明申请

US20150041138A1 NOVEL AGENT FOR INHIBITING THE SWELLING OF CLAYS, COMPOSITIONS COMPRISING SAID AGENT AND METHODS IMPLEMENTING SAID AGENT 有权
标题翻译：抑制粘土破裂的新型代理，包含所述代理人的组合物和实施所述代理人的方法
公开(公告)号：US20150041138A1
公开(公告)日：2015-02-12
申请号：US14377363
申请日：2013-02-12
申请人： RHODIA OPERATIONS
发明人： Thierry Badel , Arnaud Cadix
IPC分类号： C09K8/68 , E21B7/00 , E21B43/26 , C09K8/28
CPC分类号： C09K8/68 , C09K8/035 , C09K8/28 , C09K8/607 , C09K2208/12 , E21B7/00 , E21B43/26
摘要： The present invention concerns the use of a novel additive as an agent for inhibiting the swelling of clays, in particular in the field of boreholes. More specifically, the present invention concerns the use of a specific diamine and diacid salt as an agent for inhibiting the swelling of clays in an aqueous medium, and a drilling or hydraulic fracturing fluid composition comprising the salt according to the invention and methods for drilling or hydraulic fracturing implementing said salt.
摘要翻译：本发明涉及使用新型添加剂作为抑制粘土膨胀的试剂，特别是在钻孔领域。更具体地说，本发明涉及特定的二胺和二酸盐作为抑制水性介质中粘土膨胀的试剂的用途，以及包含根据本发明的盐的钻井或水力压裂液组合物以及用于钻井或水力压裂实施所述盐。

9. 发明授权

US11485901B2 Polymeric systems for particle dispersion 有权
公开(公告)号：US11485901B2
公开(公告)日：2022-11-01
申请号：US15823770
申请日：2017-11-28
申请人： RHODIA OPERATIONS
发明人： Lingjuan Shen , Qi Qu , Jian Zhou , Arnaud Cadix , Ruela Pabalan , Subramanian Kesavan , David James Wilson
IPC分类号： C09K8/66 , C09K8/68 , E21B43/267 , C09K8/72 , C09K8/86 , C08F2/18 , C08F2/44 , C08L33/26 , C09K8/74 , C09K8/80 , C09K8/88
摘要： Polymeric systems useful for maintaining particle dispersions for extended periods of time.

10. 发明授权

US10808064B2 Amphiphilic block polymers soluble in strongly saline medium 有权
公开(公告)号：US10808064B2
公开(公告)日：2020-10-20
申请号：US15770352
申请日：2016-10-21
申请人： RHODIA OPERATIONS
发明人： David James Wilson , Mikel Morvan , Max Chabert , Arnaud Cadix
IPC分类号： C08F293/00 , C08F212/08 , C09K8/588 , C09K8/68 , C08F220/18
摘要： The present invention relates to the preparation of polymers that are of use in particular as a rheology agent, and are suitable for use in very concentrated saline media, which comprises a step of micellar radical polymerization in which are brought into contact, in an aqueous medium: —hydrophilic monomers; —hydrophobic monomers in the form of a micellar solution, containing micelles comprising these hydrophobic monomers; —a radical polymerization initiator; and —preferably an agent for controlling radical polymerization, wherein said micelles comprise at least one surfactant of amphoteric nature. The polymers obtained according to the invention are in particular of use for enhanced oil recovery.

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