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1. 发明授权

US10633579B2 Use of environmentally friendly solvents to replace glycol-based solvents 有权
公开(公告)号：US10633579B2
公开(公告)日：2020-04-28
申请号：US13564300
申请日：2012-08-01
申请人： Ruela Talingting Pabalan , Dominique Labarre , Gary Woodward , Bruno Langlois , Adedamola Adedeji
发明人： Ruela Talingting Pabalan , Dominique Labarre , Gary Woodward , Bruno Langlois , Adedamola Adedeji
IPC分类号： C09K8/68 , C09K8/86 , C09K8/035
CPC分类号： C09K8/86 , C09K8/035 , C09K8/68 , C09K2208/00
摘要： A method for replacing glycol-based mutual solvents in an oil field application comprising: obtaining an alternative solvent and solvent blends and replacing all or a portion a glycol-based mutual solvent, which forms a component of an oil field formulation, with the alternative solvent or solvent blends, wherein the oil field formulation can be utilized in an oil field application.

2. 发明授权

US08828914B2 Methods for controlling depolymerization of polymer compositions 有权
标题翻译：控制聚合物组合物解聚的方法
公开(公告)号：US08828914B2
公开(公告)日：2014-09-09
申请号：US12658653
申请日：2010-02-12
申请人： Subramanian Kesavan , Gary Woodward , Adedamola Adedeji , Timothy Curtis , Francis Smith
发明人： Subramanian Kesavan , Gary Woodward , Adedamola Adedeji , Timothy Curtis , Francis Smith
IPC分类号： C09K8/22 , C09K8/68 , C09K8/60 , C09K8/88
CPC分类号： C09K8/68 , C08B37/0096 , C09K8/605 , C09K8/88 , Y10S507/92
摘要： A method of controlling or arresting the rate of depolymerization of a polymer composition during a biocide treatment by controlling the pH of the composition, and use of such methods in oilfield applications.
摘要翻译：通过控制组合物的pH控制或阻止聚合物组合物在杀生物剂处理期间的解聚速率的方法，以及在油田应用中使用这些方法。

3. 发明申请

US20130196885A1 USE OF ENVIRONMENTALLY FRIENDLY SOLVENTS TO REPLACE GLYCOL-BASED SOLVENTS 审中-公开
标题翻译：使用环境友好的溶剂替代基于糖类的溶剂
公开(公告)号：US20130196885A1
公开(公告)日：2013-08-01
申请号：US13564300
申请日：2012-08-01
申请人： Ruela Talingting PABALAN , Dominique LABARRE , Gary WOODWARD , Bruno LANGLOIS , Adedamola ADEDEJI
发明人： Ruela Talingting PABALAN , Dominique LABARRE , Gary WOODWARD , Bruno LANGLOIS , Adedamola ADEDEJI
IPC分类号： C09K8/86
CPC分类号： C09K8/86 , C09K8/035 , C09K8/68 , C09K2208/00
摘要： A method for replacing glycol-based mutual solvents in an oil field application comprising: obtaining an alternative solvent and solvent blends and replacing all or a portion a glycol-based mutual solvent, which forms a component of an oil field formulation, with the alternative solvent or solvent blends, wherein the oil field formulation can be utilized in an oil field application.
摘要翻译：一种用于在油田应用中替代基于乙二醇的互溶剂的方法，包括：获得替代溶剂和溶剂共混物，并将形成油田制剂组分的基于二醇的互溶剂全部或部分替换为替代溶剂或溶剂共混物，其中油田制剂可用于油田应用中。

4. 发明授权

US08215398B2 Polysaccharide based scale inhibitor 有权
标题翻译：多糖类阻垢剂
公开(公告)号：US08215398B2
公开(公告)日：2012-07-10
申请号：US12151560
申请日：2008-07-07
申请人： Subramanian Kesavan , Gary Woodward , Floryan Decampo
发明人： Subramanian Kesavan , Gary Woodward , Floryan Decampo
IPC分类号： E21B21/00
CPC分类号： C07H3/00 , C02F5/10 , C02F2103/08 , C02F2103/10 , C08B37/0096 , C08L5/00 , C09K8/528
摘要： A depolymerized-carboxyalkyl polysaccharide formed by de polymerizing a polysaccharide having from 0.5 to 3.0 degrees of substitution and reducing the molecular weight of said polysaccharide before or after said depolymerizing provides a biodegradable scale inhibitor useful to prevent deposition of scale comprising, for example, calcium, barium, sulfate and salts thereof. The depolymerized carboxyalkyl polysaccharide is particularly useful in off shore oil production squeeze treatments and in the treatment of scale formed in industrial water treatment.
摘要翻译：通过使具有0.5至3.0度取代度并在所述解聚之前或之后降低所述多糖的分子量的多糖形成的解聚羧基烷基多糖提供了可用于防止沉积包含例如钙，钡，硫酸盐及其盐。解聚的羧基烷基多糖特别可用于离岸油生产挤压处理和在工业水处理中形成的垢中的处理。

5. 发明申请

US20110143972A1 Scale squeeze treatment systems and methods 有权
公开(公告)号：US20110143972A1
公开(公告)日：2011-06-16
申请号：US12931535
申请日：2011-02-03
申请人： Floryan De Campo , Allwyn Colaco , Bruno Langlois , Chris Jones , Gary Woodward
发明人： Floryan De Campo , Allwyn Colaco , Bruno Langlois , Chris Jones , Gary Woodward
IPC分类号： C09K8/52
CPC分类号： C09K8/528
摘要： An aqueous composition for treating hydrocarbon wells contains (a) a scale inhibitor and (b) a viscoelastic surfactant, and further contains from 0 to less than 1% by weight of acid selected from the group consisting of hydrochloric acid, sulfuric acid, phosphoric acid, formic acid, acetic acid, citric acid, maleic acid, hydrofluoric acid, and mixtures thereof.

6. 发明申请

US20100311621A1 Methods and compositions for viscosifying heavy aqueous brines 有权
标题翻译：粘稠重水盐水的方法和组合物
公开(公告)号：US20100311621A1
公开(公告)日：2010-12-09
申请号：US12802368
申请日：2010-06-04
申请人： Subramanian Kesavan , Manilal S. Dahanayake , Gary Woodward
发明人： Subramanian Kesavan , Manilal S. Dahanayake , Gary Woodward
IPC分类号： C09K8/68
CPC分类号： C09K8/08 , C09K8/40 , C09K8/665 , C09K8/68 , C09K8/90
摘要： A method for viscosifying brine systems utilized in oilfield applications comprising: a) preparing a heavy brine system comprising obtaining an aqueous brine system comprising a hydrated polysaccharide and at least one multivalent salt, wherein the density of the aqueous brine system is greater than about 10 pounds per gallon (ppg), and adding an effective amount of an alkaline agent, thereby increasing the viscosity of the brine system. Also disclosed are methods for viscosifying brine systems utilized in well servicing applications comprising obtaining an aqueous brine solution comprising at least one multivalent salt, wherein the density of the aqueous brine system is greater than about 10 pounds per gallon (ppg); adding a polysaccharide; adding an effective amount of an acid buffering agent to the brine system to lower the pH of the brine system, whereby the polysaccharide is capable of substantially hydrating into the brine system; and adding an effective amount of an alkaline agent, thereby substantially increasing the viscosity of the brine system.
摘要翻译：一种用于在油田应用中使用的盐水系统的增稠方法，包括：a）制备重盐水系统，其包括获得包含水合多糖和至少一种多价盐的含水盐水系统，其中所述含水盐水系统的密度大于约10磅每加仑（ppg），并加入有效量的碱性试剂，从而提高盐水系统的粘度。还公开了用于在井服务应用中使用的用于增稠盐水系统的方法，包括获得包含至少一种多价盐的盐水水溶液，其中所述含水盐水系统的密度大于约10磅/加仑（ppg）; 加入多糖; 向盐水系统中加入有效量的酸缓冲剂以降低盐水系统的pH，由此多糖能够基本上水合进盐水系统; 并加入有效量的碱性试剂，从而显着提高盐水系统的粘度。

7. 发明授权

US07786179B2 Demulsifiers in solvent base for separating emulsions and methods of use 有权
标题翻译：用于分离乳液的溶剂基质中的破乳剂和使用方法
公开(公告)号：US07786179B2
公开(公告)日：2010-08-31
申请号：US12319440
申请日：2009-01-07
申请人： Ruela Talingting-Pabalan , Gary Woodward , Manilal S. Dahanayake , Herve Adam
发明人： Ruela Talingting-Pabalan , Gary Woodward , Manilal S. Dahanayake , Herve Adam
IPC分类号： B01D17/05
CPC分类号： B01D17/047
摘要： Demulsifiers containing an anionic surfactant selected from alkylsulfosuccinates, alkylphosphonic acids, and their salts; a nonionic surfactant selected from ethylene oxide/propylene oxide copolymers, ethoxylated fatty acids of polyethylene glycol, terpene alkoxylates, and modified alkanolamides; and solvent bases comprising blends of dibasic esters. Methods for breaking emulsions using such demulsifiers and solvent bases are also disclosed.
摘要翻译：含有选自烷基磺基琥珀酸盐，烷基膦酸及其盐的阴离子表面活性剂的破乳剂; 选自环氧乙烷/环氧丙烷共聚物，聚乙二醇的乙氧基化脂肪酸，萜烯烷氧基化物和改性链烷醇酰胺的非离子表面活性剂; 和包含二元酯共混物的溶剂基料。还公开了使用这种破乳剂和溶剂基来破乳的方法。

8. 发明申请

US20090253931A1 Process for the preparation of highly purified, dialkydithiophosphinic compounds 有权
标题翻译：制备高纯度二烷基二硫代磷酸化合物的方法
公开(公告)号：US20090253931A1
公开(公告)日：2009-10-08
申请号：US12455847
申请日：2009-06-08
申请人： Leo Zhaoqing Liu , Gary Woodward
发明人： Leo Zhaoqing Liu , Gary Woodward
IPC分类号： C07F9/30
CPC分类号： C07F9/34 , C07F9/301
摘要： An improved process for production of dialkyldithiophosphinic acid including sulfurizing a purified dialkylphosphinic acid by: reacting a hypophosphorous acid or salt with a stoichiometric excess of an alpha olefin in the presence of a free radical initiator to form a reaction product comprising monoalkylphosphinic acid and dialkylphosphinic acid; adding sufficient aqueous base to the reaction product to i) form the salts of the phosphinic acids, and ii) establish an aqueous phase and an organic phase, wherein a monoalkylphosphinic acid solubilizes into an aqueous phase; separating the organic phase from the aqueous phase; acidifying the organic phase and removing the olefin from the organic phase; isolating the purified dialkylphosphinic acid product; and sulfurizing the purified dialkylphosphinic acid product to form a dialkyldithiophosphinic acid. The present invention also provides a process for preparing purified dialkylthiophosphinic chloride, and a process for preparing purified dialkylmonothiophosphinic acids.
摘要翻译：一种制备二烷基二硫代次膦酸的改进方法，包括通过以下方法硫化纯化的二烷基次膦酸：在自由基引发剂的存在下使次磷酸或盐与化学计量过量的α-烯烃反应，形成包含单烷基次膦酸和二烷基次膦酸的反应产物; 向反应产物中加入足够的碱水溶液以i）形成次膦酸的盐，和ii）建立水相和有机相，其中单烷基次膦酸溶于水相中; 从水相中分离有机相; 酸化有机相并从有机相中除去烯烃; 分离纯化的二烷基次膦酸产物; 并将纯化的二烷基次膦酸产物硫化以形成二烷基二硫代次膦酸。本发明还提供了一种制备纯化的二烷基硫代次膦酸氯化物的方法和一种制备纯化的二烷基硫代次膦酸的方法。

9. 发明申请

US20090036637A1 AMINOPHOSPHINATE POLYMERS 审中-公开
标题翻译：氨基磷酸酯聚合物
公开(公告)号：US20090036637A1
公开(公告)日：2009-02-05
申请号：US11663144
申请日：2005-09-22
申请人： Graham Otter , Shazia Zafar , Gary Woodward
发明人： Graham Otter , Shazia Zafar , Gary Woodward
IPC分类号： C08G79/04 , C08G73/02
CPC分类号： C08G79/04 , C09D185/02
摘要： The present invention provides an aminophosphonate mid functional co-polymer, or oligomer thereof, a method for its manufacture and a number of applications for it. The aminophosphonate co-polymer is of the formula (I): (A)a-[PO(OX)CR′2NR(R″NR)mCR′2—]nPO(OX)-(A)b; wherein: X is hydrogen or any suitable cation; each of the R groups, which may be the same or different, and each of the R′ groups, which may be the same or different, is hydrogen, an optionally substituted alkyl, cycloalkyl, alkenyl, aryl, aralkyl, alkaryl or alkoxyalkyl group of 1-20 carbon atoms each of which may be optionally substituted once or more than once, R″ is an alkane group, substituted alkane group or heterocyclic group; and wherein A is derived from any suitable monomer, a and b are the same and each is an integer from 1 to 1000 or a and b are different and one is zero or an integer from 1 to 1000 and the other is an integer from 1 to 1000, m is zero or from 1 to 100, and n is zero or from 1 to 100.
摘要翻译：本发明提供氨基膦酸酯中间官能共聚物或其低聚物，其制备方法和多种用途。氨基膦酸酯共聚物具有式（I）：（A）a- [PO（OX）CR'2NR（R'NR）mCR'2-] nPO（OX） - （A）b; 其中：X是氢或任何合适的阳离子; 可以相同或不同的R基团中的每一个和可以相同或不同的R'基团各自为氢，任选取代的烷基，环烷基，烯基，芳基，芳烷基，烷芳基或烷氧基烷基 1-20个碳原子，每个碳原子可以任选被一次或多于一次取代，R“是烷烃基，取代的烷烃基或杂环基; 并且其中A衍生自任何合适的单体，a和b相同，并且各自为1至1000的整数或a和b不同，1为0或1至1000的整数，而另一个为1的整数至1000，m为0或1至100，n为0或1至100。

10. 发明授权

US5710305A Flame retardant product and process 失效
标题翻译：阻燃产品和工艺
公开(公告)号：US5710305A
公开(公告)日：1998-01-20
申请号：US691119
申请日：1996-08-01
申请人： Adrian Charles Archer , Christopher John Harris , Gary Woodward , Mohsen Zakikhani
发明人： Adrian Charles Archer , Christopher John Harris , Gary Woodward , Mohsen Zakikhani
IPC分类号： C09K21/12 , C07F9/6571 , C07F9/6574 , C08K5/53 , C08K5/5357 , H05K1/03
CPC分类号： C07F9/65742 , C07F9/657181 , C07F9/65746 , C08K5/5357 , H05K1/0373
摘要： A method for producing alkyl derivatives of phosphonic acids together with hexyl-bis�5-ethyl-2-hexyl-1,3,2-dioxaphosphorinan-5-yl)methyl!ester, P,P'dioxide as a novel product and the use of such a product as, or in connection with, a flame retardant.
摘要翻译：一种与己基 - 双[5-乙基-2-己基-1,3,2-二氧杂磷杂环己烷-5-基]甲基]酯，P，P二氧化物作为新产物一起生产膦酸的烷基衍生物的方法和使用与阻燃剂相关的或与阻燃剂相关的产品。

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