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1. 发明授权

US07402549B2 Viscoelastic surfactant rheology modification 有权
标题翻译：粘弹性表面活性剂流变改性
公开(公告)号：US07402549B2
公开(公告)日：2008-07-22
申请号：US11012446
申请日：2004-12-15
申请人： Yiyan Chen , Jesse C. Lee , Philip F. Sullivan , Timothy L. Pope
发明人： Yiyan Chen , Jesse C. Lee , Philip F. Sullivan , Timothy L. Pope
IPC分类号： C09K8/58 , C09K8/68 , E21B21/00
CPC分类号： C09K8/68 , C09K8/602 , C09K2208/30
摘要： A method for shortening the shear recovery time of cationic, zwitterionic, and amphoteric viscoelastic surfactant fluid systems by adding an effective amount of a rheology enhancer selected from partially hydrolyzed polyvinyl ester and partially hydrolyzed polyacrylates. The rheology enhancer also increases fluid viscosity and very low rheology enhancer concentration is needed. Preferred surfactants are betaines and quaternary amines. The fluids are useful in oilfield treatments, for example fracturing and gravel packing.
摘要翻译：通过添加有效量的选自部分水解的聚乙烯酯和部分水解的聚丙烯酸酯的流变增强剂来缩短阳离子，两性离子和两性粘弹性表面活性剂流体体系的剪切恢复时间的方法。流变增强剂还增加了流体粘度，并且需要非常低的流变学增强剂浓度。优选的表面活性剂是甜菜碱和季胺。这些流体可用于油田处理，例如压裂和砾石填充。

2. 发明授权

US07398826B2 Well treatment with dissolvable polymer 有权
标题翻译：用可溶性聚合物处理
公开(公告)号：US07398826B2
公开(公告)日：2008-07-15
申请号：US11316021
申请日：2005-12-21
申请人： Ann M. W. Hoefer , Philip F. Sullivan , Golchehreh Salamat , Curtis L. Boney , Jesse C. Lee , Yiyan Chen , Dean M. Willberg , Marina Bulova , Christopher N. Fredd , Belgin Baser , Timothy L. Pope
发明人： Ann M. W. Hoefer , Philip F. Sullivan , Golchehreh Salamat , Curtis L. Boney , Jesse C. Lee , Yiyan Chen , Dean M. Willberg , Marina Bulova , Christopher N. Fredd , Belgin Baser , Timothy L. Pope
IPC分类号： E21B43/267 , E21B43/22 , E21B21/00 , C09K8/80 , C09K8/035
CPC分类号： C09K8/516 , C09K8/12 , C09K8/506 , C09K8/5083 , C09K8/512 , C09K8/52 , C09K8/68 , C09K8/70 , C09K8/80 , C09K2208/08 , C09K2208/26
摘要： Well treatment is disclosed that includes injecting a well treatment fluid with insoluble polyol polymer such as polyvinyl alcohol (PVOH) dispersed therein, depositing the insoluble polymer in the wellbore or an adjacent formation, and thereafter dissolving the polymer by reducing salinity and/or increasing temperature conditions in the environment of the polymer deposit. The method is disclosed for filter cake formation, fluid loss control, drilling, hydraulic fracturing and fiber assisted transport, where removal of the polyol at the end of treatment or after treatment is desired. The method is also disclosed for providing dissolved polyol as a delayed breaker in crosslinked polymer viscosified systems and viscoelastic surfactant systems. Also disclosed are well treatment fluids containing insoluble amorphous or at least partially crystalline polyol, and a PVOH fiber composition wherein the fibers are stabilized from dissolution by salinity.
摘要翻译：公开了一种井处理方法，包括用不溶性多元醇聚合物（如分散在其中的聚乙烯醇（PVOH））注入井处理流体，将不溶性聚合物沉积在井筒或邻近地层中，然后通过降低盐度和/或升高温度溶解聚合物聚合物沉积环境条件。公开了用于滤饼形成，流体损失控制，钻井，水力压裂和纤维辅助运输的方法，其中期望在处理结束或处理后去除多元醇。还公开了用于在交联聚合物增粘体系和粘弹性表面活性剂体系中提供溶解的多元醇作为延迟的破乳剂的方法。还公开了含有不溶性无定形或至少部分结晶多元醇的良好处理液，以及其中纤维通过盐度溶解而稳定的PVOH纤维组合物。

3. 发明申请

US20080070813A1 Oxidative Internal Breaker for Viscoelastic Surfactant Fluids 有权
标题翻译：用于粘弹性表面活性剂流体的氧化内部断路器
公开(公告)号：US20080070813A1
公开(公告)日：2008-03-20
申请号：US11532565
申请日：2006-09-18
申请人： Lijun Lin , Yiyan Chen , Philip F. Sullivan , Belgin Baser , Carlos Abad , Jesse C. Lee
发明人： Lijun Lin , Yiyan Chen , Philip F. Sullivan , Belgin Baser , Carlos Abad , Jesse C. Lee
IPC分类号： C09K8/00 , E21B43/00
CPC分类号： C09K8/68 , C09K8/602 , C09K2208/26
摘要： Compositions and methods are given for delayed breaking of viscoelastic surfactant gels inside formation pores, particularly for use in hydraulic fracturing. Breaking inside formation pores is accomplished without mechanical intervention or use of a second fluid. Oxidizing agents such as air, oxygen, persulfates, bromates, peroxides, and others are used. The break may be accelerated, for example with a free radical propagating species, or retarded, for example with an oxygen scavenger. In certain brines, for example bromide brines, certain zwitterionic viscoelastic fluid systems that can decarboxylate and that require an anion-containing co-surfactant undergo delayed degradation if oxygen is present, for example from fluid preparation or in a foam.
摘要翻译：给出组合物和方法用于延迟破裂地层孔隙内的粘弹性表面活性剂凝胶，特别是用于水力压裂。破碎内部形成孔隙是在没有机械干预或使用第二流体的情况下完成的。使用氧化剂如空气，氧气，过硫酸盐，溴酸盐，过氧化物等。可以加速断裂，例如用自由基传播物质或延迟的，例如用氧清除剂。在某些盐水中，例如溴化物盐水，可以脱羧并且需要含阴离子的辅助表面活性剂的某些两性离子粘弹性流体体系如果存在氧，例如从流体制备或泡沫中经历延迟降解。

4. 发明授权

US07857051B2 Internal breaker for oilfield treatments 有权
公开(公告)号：US07857051B2
公开(公告)日：2010-12-28
申请号：US12723760
申请日：2010-03-15
申请人： Carlos Abad , Jesse C. Lee , Philip F. Sullivan , Erik Nelson , Yiyan Chen , Belgin Baser , Lijun Lin
发明人： Carlos Abad , Jesse C. Lee , Philip F. Sullivan , Erik Nelson , Yiyan Chen , Belgin Baser , Lijun Lin
IPC分类号： E21B43/267 , E21B43/27 , C09K8/68 , C09K8/76
CPC分类号： C09K8/68 , C09K8/508 , C09K8/5751 , C09K8/76 , C09K2208/18 , C09K2208/26 , C09K2208/30 , Y10S507/922 , Y10S507/923
摘要： A composition and method for improving the fluid efficiency of many oilfield treatments is given. The composition is a solid additive, in a viscosified fluid, in a size range small enough that it enters formation pores; it optionally bridges there to form an internal filter cake, and then decomposes to provide a breaker for the viscosifying system for the fluid. Examples of suitable additives include waxes, polyesters, polycarbonates, polyacetals, polymelamines, polyvinyl chlorides, and polyvinyl acetates. Degradation of the additive may be accelerated or delayed.

5. 发明申请

US20100163228A1 INTERNAL BREAKER FOR OILFIELD TREATMENTS 有权
标题翻译：内燃机处理用内燃机
公开(公告)号：US20100163228A1
公开(公告)日：2010-07-01
申请号：US12723760
申请日：2010-03-15
申请人： Carlos Abad , Jesse C. Lee , Philip F. Sullivan , Erik Nelson , Yiyan Chen , Belgin Baser , Lijun Lin
发明人： Carlos Abad , Jesse C. Lee , Philip F. Sullivan , Erik Nelson , Yiyan Chen , Belgin Baser , Lijun Lin
IPC分类号： E21B43/22
CPC分类号： C09K8/68 , C09K8/508 , C09K8/5751 , C09K8/76 , C09K2208/18 , C09K2208/26 , C09K2208/30 , Y10S507/922 , Y10S507/923
摘要： A composition and method for improving the fluid efficiency of many oilfield treatments is given. The composition is a solid additive, in a viscosified fluid, in a size range small enough that it enters formation pores; it optionally bridges there to form an internal filter cake, and then decomposes to provide a breaker for the viscosifying system for the fluid. Examples of suitable additives include waxes, polyesters, polycarbonates, polyacetals, polymelamines, polyvinyl chlorides, and polyvinyl acetates. Degradation of the additive may be accelerated or delayed.
摘要翻译：给出了一种用于提高许多油田处理流体效率的组合物和方法。该组合物是一种固体添加剂，在粘稠流体中，其尺寸范围足够小，使其进入地层孔; 它可选地在那里桥接以形成内部滤饼，然后分解以提供用于流体的增粘系统的断路器。合适的添加剂的实例包括蜡，聚酯，聚碳酸酯，聚缩醛，聚蜜胺，聚氯乙烯和聚乙酸乙烯酯。添加剂的降解可能会加速或延迟。

6. 发明授权

US07879770B2 Oxidative internal breaker for viscoelastic surfactant fluids 有权
标题翻译：用于粘弹性表面活性剂流体的氧化内部破碎机
公开(公告)号：US07879770B2
公开(公告)日：2011-02-01
申请号：US11532565
申请日：2006-09-18
申请人： Lijun Lin , Yiyan Chen , Philip F. Sullivan , Belgin Baser , Carlos Abad , Jesse C. Lee
发明人： Lijun Lin , Yiyan Chen , Philip F. Sullivan , Belgin Baser , Carlos Abad , Jesse C. Lee
IPC分类号： C09K8/74 , C09K8/68 , C09K8/524 , C09K8/60 , C09K8/528
CPC分类号： C09K8/68 , C09K8/602 , C09K2208/26
摘要： Compositions and methods are given for delayed breaking of viscoelastic surfactant gels inside formation pores, particularly for use in hydraulic fracturing. Breaking inside formation pores is accomplished without mechanical intervention or use of a second fluid. Oxidizing agents such as air, oxygen, persulfates, bromates, peroxides, and others are used. The break may be accelerated, for example with a free radical propagating species, or retarded, for example with an oxygen scavenger. In certain brines, for example bromide brines, certain zwitterionic viscoelastic fluid systems that can decarboxylate and that require an anion-containing co-surfactant undergo delayed degradation if oxygen is present, for example from fluid preparation or in a foam.
摘要翻译：给出组合物和方法用于延迟破裂地层孔隙内的粘弹性表面活性剂凝胶，特别是用于水力压裂。破碎内部形成孔隙是在没有机械干预或使用第二流体的情况下完成的。使用氧化剂如空气，氧气，过硫酸盐，溴酸盐，过氧化物等。可以加速断裂，例如用自由基传播物质或延迟的，例如用氧清除剂。在某些盐水中，例如溴化物盐水，可以脱羧并且需要含阴离子的辅助表面活性剂的某些两性离子粘弹性流体体系如果存在氧，例如从流体制备或泡沫中经历延迟降解。

7. 发明授权

US07677311B2 Internal breaker for oilfield treatments 失效
标题翻译：用于油田处理的内部破碎机
公开(公告)号：US07677311B2
公开(公告)日：2010-03-16
申请号：US11532553
申请日：2006-09-18
申请人： Carlos Abad , Jesse C. Lee , Philip F. Sullivan , Erik Nelson , Yiyan Chen , Belgin Baser , Lijun Lin
发明人： Carlos Abad , Jesse C. Lee , Philip F. Sullivan , Erik Nelson , Yiyan Chen , Belgin Baser , Lijun Lin
IPC分类号： E21B43/267 , E21B43/27 , C09K8/68 , C09K8/76
CPC分类号： C09K8/68 , C09K8/508 , C09K8/5751 , C09K8/76 , C09K2208/18 , C09K2208/26 , C09K2208/30 , Y10S507/922 , Y10S507/923
摘要： A composition and method for improving the fluid efficiency of many oilfield treatments is given. The composition is a solid additive, in a viscosified fluid, in a size range small enough that it enters formation pores; it optionally bridges there to form an internal filter cake, and then decomposes to provide a breaker for the viscosifying system for the fluid. Examples of suitable additives include waxes, polyesters, polycarbonates, polyacetals, polymelamines, polyvinyl chlorides, and polyvinyl acetates. Degradation of the additive may be accelerated or delayed.
摘要翻译：给出了一种用于提高许多油田处理流体效率的组合物和方法。该组合物是一种固体添加剂，在粘稠流体中，其尺寸范围足够小，使其进入地层孔; 它可选地在那里桥接以形成内部滤饼，然后分解以提供用于流体的增粘系统的断路器。合适的添加剂的实例包括蜡，聚酯，聚碳酸酯，聚缩醛，聚蜜胺，聚氯乙烯和聚乙酸乙烯酯。添加剂的降解可能会加速或延迟。

8. 发明授权

US08895481B2 Viscoelastic surfactant acid treatment 有权
标题翻译：粘弹性表面活性剂酸处理
公开(公告)号：US08895481B2
公开(公告)日：2014-11-25
申请号：US12643522
申请日：2009-12-21
申请人： Yiyan Chen , Abbas Mahdi , Richard Marcinew , Matt Graham , Timothy L. Pope
发明人： Yiyan Chen , Abbas Mahdi , Richard Marcinew , Matt Graham , Timothy L. Pope
IPC分类号： C09K8/74 , C23F11/04 , C23F11/14
CPC分类号： C23F11/04 , C09K8/74 , C09K2208/30 , C23F11/141
摘要： A method of treating a subterranean formation penetrated by a wellbore involves introducing an acid treatment fluid through the wellbore into the formation. The treatment fluid is formed from a zwitterionic viscoelastic surfactant, an acid in an amount to provide the treatment fluid with an initial pH of ≦0 and a rheology enhancer. The treatment fluid has a high viscosity at the initial pH and a lower viscosity when the pH of the treatment fluid is raised to an intermediate pH of from greater than 0 to about 5.
摘要翻译：一种处理穿透井筒的地层的方法，包括将酸处理流体通过井筒引入地层。处理流体由两性离子粘弹性表面活性剂形成，酸的量使得处理流体的初始pH为＆lt; nEE; 0和流变增强剂。处理液在初始pH下具有高粘度，并且当处理流体的pH升高至大于0至约5的中间pH时，粘度较低。

9. 发明申请

US20110152135A1 VISCOELASTIC SURFACTANT ACID TREATMENT 有权
标题翻译：粘弹性表面活性剂处理
公开(公告)号：US20110152135A1
公开(公告)日：2011-06-23
申请号：US12643522
申请日：2009-12-21
申请人： Yiyan Chen , Abbas Mahdi , Richard Marcinew , Matt Graham , Timothy L. Pope
发明人： Yiyan Chen , Abbas Mahdi , Richard Marcinew , Matt Graham , Timothy L. Pope
IPC分类号： C09K8/528 , C09K8/72 , C09K8/70 , C09K8/60 , C09K8/588 , C09K8/74 , C23F11/14 , C09K8/68
CPC分类号： C23F11/04 , C09K8/74 , C09K2208/30 , C23F11/141
摘要： A method of treating a subterranean formation penetrated by a wellbore involves introducing an acid treatment fluid through the wellbore into the formation. The treatment fluid is formed from a zwitterionic viscoelastic surfactant, an acid in an amount to provide the treatment fluid with an initial pH of ≦0 and a rheology enhancer. The treatment fluid has a high viscosity at the initial pH and a lower viscosity when the pH of the treatment fluid is raised to an intermediate pH of from greater than 0 to about 5.
摘要翻译：一种处理穿透井筒的地层的方法，包括将酸处理流体通过井筒引入地层。处理流体由两性离子粘弹性表面活性剂形成，酸的量使得处理流体的初始pH为＆lt; nEE; 0和流变增强剂。处理液在初始pH下具有高粘度，并且当处理流体的pH升高至大于0至约5的中间pH时，粘度较低。

10. 发明授权

US07291651B2 Carbon dioxide foamed fluids 有权
标题翻译：二氧化碳发泡流体
公开(公告)号：US07291651B2
公开(公告)日：2007-11-06
申请号：US10860855
申请日：2004-06-04
申请人： Yiyan Chen , Jesse Lee , Timothy L. Pope
发明人： Yiyan Chen , Jesse Lee , Timothy L. Pope
IPC分类号： B01F3/04 , B01F17/36 , C09K8/60 , E21B21/00 , E21B43/22
CPC分类号： C09K8/706 , B01F17/0085 , C09K8/516 , C09K8/703 , C09K8/74 , C09K2208/30 , Y10S507/904
摘要： An aqueous viscoelastic surfactant (VES) fluid foamed or energized with carbon dioxide, in which the VES is more compatible with the carbon dioxide, is made by the addition of one or more than one synergistic co-surfactant. The synergist co-surfactant includes quaternary amines and ethoxylated carboxylates having a hydrophobic chain shorter than the hydrophobic chain of the VES. Improved compatibility is evidenced for a given surfactant concentration either by formation and maintenance of a foam under conditions at which the foam could not otherwise have been formed or maintained, or by either higher viscosity of the foamed fluid at a given temperature or longer foam life at a given temperature or a higher temperature at which useful fluid viscosity can be generated or maintained for a useful time. The aqueous carbon dioxide foamed fluids may be used in acidizing, acid fracturing, gravel packing, diversion, and well cleanout.
摘要翻译：通过添加一种或多种协同辅助表面活性剂，可以制备VES与二氧化碳更相容的二氧化碳发泡或赋能的含水粘弹性表面活性剂（VES）流体。增效剂助表面活性剂包括具有比VES的疏水链短的疏水链的季胺和乙氧基化羧酸盐。对于给定的表面活性剂浓度，通过在泡沫不能形成或保持的条件下形成和维持泡沫，或通过在给定温度下较高粘度的发泡流体或更长的泡沫寿命来证明给定的表面活性剂浓度的改进的相容性给定的温度或更高的温度，在该温度下可以产生或维持有用的时间。二氧化碳水溶液发泡流体可用于酸化，酸压裂，砾石填充，分流和清洁。

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