公开(公告)号：US10150702B2

公开(公告)日：2018-12-11

申请号：US14373689

申请日：2013-01-25

Applicant: RHODIA OPERATIONS

Inventor： Arnaud Cadix

IPC: C04B24/38 ,  C08J3/24 ,  C08B37/00 ,  C09K8/12 ,  C09K8/08 ,  C09K8/512 ,  C04B24/26 ,  C04B24/00 ,  C09K8/68 ,  C09K8/487 ,  C08K5/00 ,  C04B24/30 ,  C09K8/035 ,  C09K8/516 ,  C09K8/70 ,  C08F8/28 ,  C04B103/46

Abstract: The present invention relates to a process for preparing control agents for applications in the petroleum field, where a polymer bearing —OH, amine and/or amide functions, which is in the form of a divided solid, is reacted with at least one crosslinking agent bearing at least two —R groups capable of reacting with the —OH, amine or amide groups, under conditions where said polymer remains in solid form and where said crosslinking agent is at least partly in vapor form, The invention also relates to the control agents obtained in solid form according to this process, and also to the mixtures of these solid agents with other additives, which can be used in particular for the preparation of cement grout for oil extraction.

公开(公告)号：US11345845B2

公开(公告)日：2022-05-31

申请号：US16872506

申请日：2020-05-12

Applicant: RHODIA OPERATIONS

Inventor： Arnaud Cadix ,  David James Wilson

IPC: C09K8/487 ,  C09K8/508 ,  C09K8/035 ,  C04B28/02 ,  C04B24/16 ,  C08F293/00 ,  C09K8/12 ,  C09K8/44 ,  C09K8/68 ,  C04B103/00 ,  C04B103/40 ,  C04B103/46 ,  C04B111/70

Abstract: The present invention relates to the use of a sequenced polymer as an agent for monitoring the filtrate and the rheology of a fluid injected under pressure into an oil rock, wherein the fluid comprises solid particles and/or is brought into contact with solid particles within the oil rock after being injected, the polymer comprising: a first block which is adsorbed onto at least some of the particles; and a second block having a composition other than that of the first block and a mean molecular weight of more than 10,000 g/mol, for example more than 100,000 g/mol, and which is soluble in the fluid.

公开(公告)号：US20220010086A1

公开(公告)日：2022-01-13

申请号：US17294659

申请日：2019-11-13

Applicant: RHODIA OPERATIONS

Inventor： Arnaud Cadix ,  David James Wilson

IPC: C08J9/08 ,  C08F220/58 ,  C08F220/56 ,  C08J3/12 ,  C08J9/00

Abstract: Modification of the rheology of a liquid medium, aqueous or nonaqueous, with polymers in the form of specific particles obtained by grinding (micronizing) a porous macrogel, itself prepared by a process comprising a radical polymerization step which comprises reacting in the presence of pore formers monomers containing monomers bearing at least two ethylenic unsaturations, typically in combination with monomers bearing a single ethylenic unsaturation; a polymerization initiator; and optionally a polymerization control agent. These polymer particles keep other particles in suspension within the liquid medium, and also the stabilized suspensions are obtained.

公开(公告)号：US10550313B2

公开(公告)日：2020-02-04

申请号：US15028172

申请日：2014-10-15

Applicant: RHODIA OPERATIONS

Inventor： Arnaud Cadix

IPC: C09K8/68 ,  C09K8/88

Abstract: The invention relates to aviscosifier useful for oilfield fluids, especially high TDS fluids and heavy brines, comprising: at least a zwitterionic polymer, prepared by inverse emulsion polymerization of: monomers A comprising a betaine group; nonionic monomers B monomers C including a metal ion crosslinkable group with a molar ratio of the monomers A to the monomers B between 4/96 and 40/60; and at least a metal ion compound leading to the crosslinking of the groups carried by monomers C.

公开(公告)号：US10144857B2

公开(公告)日：2018-12-04

申请号：US15511804

申请日：2015-09-25

Applicant: RHODIA OPERATIONS

Inventor： Arnaud Cadix

IPC: E21B33/138 ,  C09K8/035 ,  C09K8/512 ,  C09K8/516 ,  C09K8/68 ,  C09K8/70 ,  C09K8/88 ,  C09K8/92 ,  C09K8/44 ,  E21B21/00 ,  E21B43/26

Abstract: A method for sealing a subterranean environment, wherein a polyurethane encapsulated polyamine is injected into the subterranean environment and is released in situ in the presence of a reactive species able to form a gel or a precipitate by a physical association and/or a chemical reaction with the released polyamine, is described herein.

公开(公告)号：US09637681B2

公开(公告)日：2017-05-02

申请号：US14377363

申请日：2013-02-12

Applicant: RHODIA OPERATIONS

Inventor： Thierry Badel ,  Arnaud Cadix

IPC: C09K8/68 ,  C09K8/035 ,  C09K8/60 ,  C09K8/28 ,  E21B7/00 ,  E21B43/26

CPC classification number: C09K8/68 ,  C09K8/035 ,  C09K8/28 ,  C09K8/607 ,  C09K2208/12 ,  E21B7/00 ,  E21B43/26

Abstract: 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.

公开(公告)号：US11912934B2

公开(公告)日：2024-02-27

申请号：US17436848

申请日：2020-03-11

Applicant: RHODIA OPERATIONS

Inventor： Helène Martin ,  Patrick Moreau ,  Arnaud Cadix

IPC: C09K8/68 ,  C09K8/60

CPC classification number: C09K8/68 ,  C09K8/602 ,  C09K2208/28

Abstract: The instant invention friction reducer formulation comprising friction reducer polymers such as PAM within the dispersed phase of an inverse emulsion containing a composition C which comprises a mixture of: —at least an alkanolamide emulsifier; and —a block copolymer comprising: —a hydrophilic block A comprising units deriving from a mono-alpha-ethylenically-unsaturated monomers; and —a hydrophobic block B.

公开(公告)号：US11427747B2

公开(公告)日：2022-08-30

申请号：US17021176

申请日：2020-09-15

Applicant: RHODIA OPERATIONS

Inventor： Arnaud Cadix ,  David James Wilson

IPC: C04B24/26 ,  C04B28/02 ,  C09K8/035 ,  C09K8/487 ,  C09K8/508 ,  C04B28/14 ,  C08F293/00 ,  C04B103/00 ,  C04B103/46

Abstract: The present invention relates to the use of a sequenced polymer as an agent for monitoring the filtrate in a fluid injected under pressure into an oil rock, wherein the fluid comprises solid particles and/or is brought into contact with solid particles within the oil rock after being injected, the polymer comprising at least three blocks, including: at least one first block which is adsorbed, preferably irreversibly, onto at least some of the particles (p); a second block (B) having a composition other than that of the first and a mean molecular weight of more than 10,000 g/mol, and which is soluble in the fluid (F); and at least one third block of type (A) or type (B).

公开(公告)号：US20220169911A1

公开(公告)日：2022-06-02

申请号：US17436949

申请日：2020-03-03

Applicant: RHODIA OPERATIONS

Inventor： Arnaud Cadix ,  David James Wilson

IPC: C09K8/508 ,  C09K8/516

Abstract: This invention relates to the field of techniques for treating subterranean formations with gels during an oil or gas exploration or production operation, i.e., during drilling, completion, or hydraulic fracking processes. The invention relates in particular to a system making it possible to limit or even inhibit the phenomena known as loss of fluids (wager and/or gas) in an underground formation, particularly in a zone where the temperature is high.
More particularly, the invention relates to a suspension (S) comprising: an aqueous phase containing salts; and within said aqueous phase, particles (p) based on associative polymers (P).

公开(公告)号：US11312894B2

公开(公告)日：2022-04-26

申请号：US16500142

申请日：2018-03-30

Applicant: RHODIA OPERATIONS

Inventor： Arnaud Cadix

IPC: C09K8/493 ,  C04B14/06 ,  C04B24/26 ,  C04B28/02 ,  C09K8/487 ,  E21B21/00 ,  E21B33/138 ,  C04B103/00

Abstract: The present invention relates to the use of a combination of block polymers and particular compositions 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 following the injection thereof, the combination comprises (i) a polymer comprising: —a first block that is adsorbed on at least a portion of the particles; and —a second block, having a composition different from that of the first, and having a weight-average molecular weight of greater than 10 000 g/mol, for example greater than 100 000 g/mol, and that is soluble in the fluid; (ii) particles suitable for providing a gas barrier effect, preferably a latex and/or silica particles.