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1. 发明授权

US09023770B2 Increasing fracture complexity in ultra-low permeable subterranean formation using degradable particulate 有权
$Increasing fracture complexity in ultra-low permeable subterranean formation using degradable particulate$
标题翻译：使用可降解颗粒增加超低渗透地层中的裂缝复杂性
公开(公告)号：US09023770B2
公开(公告)日：2015-05-05
申请号：US13017745
申请日：2011-01-31
申请人： Bradley L. Todd , Thomas D. Welton
发明人： Bradley L. Todd , Thomas D. Welton
IPC分类号： C09K8/528 , C09K8/68 , E21B43/26 , C09K8/03 , C04B28/02 , C09K8/42 , C09K8/467 , C09K8/516 , C09K8/536 , E21B43/267 , C04B103/00
CPC分类号： C09K8/03 , C04B28/02 , C04B2103/0045 , C09K8/42 , C09K8/467 , C09K8/516 , C09K8/536 , C09K8/685 , C09K2208/18 , E21B43/267 , Y10S507/922 , Y10S507/924 , C04B24/003 , C04B24/06 , C04B24/123
摘要： A method of increasing the fracture complexity in a treatment zone of a subterranean formation is provided. The subterranean formation is characterized by having a matrix permeability less than 1.0 microDarcy. The method includes the step of pumping one or more fracturing fluids into a far-field region of a treatment zone of the subterranean formation at a rate and pressure above the fracture pressure of the treatment zone. A first fracturing fluid of the one or more fracturing fluids includes a first solid particulate, wherein: (a) the first solid particulate includes a particle size distribution for bridging the pore throats of a proppant pack previously formed or to be formed in the treatment zone; and (b) the first solid particulate comprises a degradable material. In an embodiment, the first solid particulate is in an insufficient amount in the first fracturing fluid to increase the packed volume fraction of any region of the proppant pack to greater than 73%. Similar methods using stepwise fracturing fluids and remedial fracturing treatments are provided.
摘要翻译：提供了一种增加地下地层处理区的断裂复杂性的方法。地层的特征在于具有小于1.0微加仑的基质渗透性。该方法包括以高于处理区的断裂压力的速率和压力将一个或多个压裂流体泵送到地层的处理区的远场区域的步骤。一个或多个压裂流体的第一压裂流体包括第一固体颗粒，其中：（a）第一固体颗粒包括用于桥接预先形成或将要在处理区中形成的支撑剂组的孔喉的粒度分布 ; 和（b）第一固体颗粒包含可降解材料。在一个实施方案中，第一固体颗粒在第一压裂流体中的量不足以将支撑剂组的任何区域的填充体积分数增加至大于73％。提供了使用逐步压裂流体和补救压裂处理的类似方法。

2. 发明申请

US20120024530A1 Increasing Fracture Complexity in Ultra-Low Permeable Subterranean Formation Using Degradable Particulate 有权
标题翻译：使用可降解颗粒增加超低渗透地层形成中的断裂复杂性
公开(公告)号：US20120024530A1
公开(公告)日：2012-02-02
申请号：US13017611
申请日：2011-01-31
申请人： Bradley L. Todd , Thomas D. Welton
发明人： Bradley L. Todd , Thomas D. Welton
IPC分类号： E21B43/26
CPC分类号： C09K8/03 , C09K8/516 , C09K8/536 , C09K8/72 , C09K8/80 , C09K8/92 , E21B43/267 , Y10S507/922 , Y10S507/924
摘要： A method of increasing the fracture complexity in a treatment zone of a subterranean formation is provided. The subterranean formation is characterized by having a matrix permeability less than 1.0 microDarcy. The method includes the step of pumping one or more fracturing fluids into a far-field region of a treatment zone of the subterranean formation at a rate and pressure above the fracture pressure of the treatment zone. A first fracturing fluid of the one or more fracturing fluids includes a first solid particulate, wherein: (a) the first solid particulate includes a particle size distribution for bridging the pore throats of a proppant pack previously formed or to be formed in the treatment zone; and (b) the first solid particulate comprises a degradable material. In an embodiment, the first solid particulate is in an insufficient amount in the first fracturing fluid to increase the packed volume fraction of any region of the proppant pack to greater than 73%. Similar methods using stepwise fracturing fluids and remedial fracturing treatments are provided.
摘要翻译：提供了一种增加地下地层处理区的断裂复杂性的方法。地层的特征在于具有小于1.0微加仑的基质渗透性。该方法包括以高于处理区的断裂压力的速率和压力将一个或多个压裂流体泵送到地层的处理区的远场区域的步骤。一个或多个压裂流体的第一压裂流体包括第一固体颗粒，其中：（a）第一固体颗粒包括用于桥接预先形成或将要在处理区中形成的支撑剂组的孔喉的粒度分布 ; 和（b）第一固体颗粒包含可降解材料。在一个实施方案中，第一固体颗粒在第一压裂流体中的量不足以将支撑剂组的任何区域的填充体积分数增加至大于73％。提供了使用逐步压裂流体和补救压裂处理的类似方法。

3. 发明授权

US07921912B2 Non-acid acidizing methods and compositions 有权
标题翻译：非酸酸化方法和组合物
公开(公告)号：US07921912B2
公开(公告)日：2011-04-12
申请号：US11502284
申请日：2006-08-10
申请人： Rajesh K. Saini , Bradley L. Todd , David E. McMechan , Thomas D. Welton , Richard W. Pauls
发明人： Rajesh K. Saini , Bradley L. Todd , David E. McMechan , Thomas D. Welton , Richard W. Pauls
IPC分类号： E21B43/25
CPC分类号： C09K8/72
摘要： Methods of acidizing subterranean formations or well bores, and more specifically, to acidizing systems involving acid-generating fluids that comprise acid-generating compounds and associated methods are provided. An example is a method that comprises: providing an acid-generating fluid that comprises an acid-generating compound; placing the acid-generating fluid into a subterranean formation; and allowing an acid to generate from the acid-generating fluid.
摘要翻译：提供酸化地下地层或井眼的方法，更具体地说，涉及包含产酸化合物和相关方法的产酸流体的酸化体系。一个实例是一种方法，其包括：提供包含酸产生化合物的产酸流体; 将产酸流体置于地层中; 并且允许酸从产酸流体产生。

4. 发明申请

US20110028358A1 Methods of Fluid Loss Control and Fluid Diversion in Subterranean Formations 审中-公开
标题翻译：地下地层流体流失控制和流体导流方法
公开(公告)号：US20110028358A1
公开(公告)日：2011-02-03
申请号：US12512232
申请日：2009-07-30
申请人： Thomas D. Welton , Bradley L. Todd
发明人： Thomas D. Welton , Bradley L. Todd
IPC分类号： C09K8/68
CPC分类号： C09K8/80 , C09K8/03 , C09K8/516 , C09K8/536 , C09K8/72 , C09K8/92
摘要： Improved methods of placing and/or diverting treatment fluids in subterranean formations are provided. In one embodiment, the methods comprise introducing a treatment fluid into a subterranean formation penetrated by a well bore, wherein the treatment fluid comprises: a base fluid, and a plurality of solid particulates comprising at least one selected from the group consisting of: a scale inhibitor, a chelating agent, and a combination thereof, wherein the solid particulates are substantially insoluble in the base fluid; and allowing at least a portion of the solid particulates to form a barrier or at partially divert a subsequent fluid.
摘要翻译：提供了将处理液放置和/或转移到地下地层中的改进方法。在一个实施方案中，所述方法包括将处理流体引入穿透井眼的地层中，其中处理流体包括：基础流体和多个固体颗粒，其包含选自以下的至少一种：抑制剂，螯合剂及其组合，其中固体颗粒基本上不溶于基础液体; 并且允许至少一部分固体微粒形成屏障或部分地转移随后的流体。

5. 发明授权

US08936086B2 Methods of fluid loss control, diversion, and sealing using deformable particulates 有权
标题翻译：使用可变形颗粒的流体损失控制，引流和密封方法
公开(公告)号：US08936086B2
公开(公告)日：2015-01-20
申请号：US13252349
申请日：2011-10-04
申请人： Feng Liang , Bradley L. Todd , Thomas D. Welton , Rajesh K. Saini
发明人： Feng Liang , Bradley L. Todd , Thomas D. Welton , Rajesh K. Saini
IPC分类号： E21B33/13 , C09K8/508 , C09K8/035
CPC分类号： C09K8/035 , C09K8/508
摘要： Method including the steps of providing a treatment fluid that comprises a base fluid and polymeric particulates and introducing the treatment fluid into a subterranean formation having a temperature above about 65° C. The polymeric particulates comprise a degradable polymer and a plasticizer and exhibit a Tg above about −15° C. When the polymeric particulates are placed into a subterranean formation having a temperature above about 65° C. they transform from rigid form to malleable form and are able to provide fluid loss, seal the rock surfaces for fluid diversion, or plug an area along the annulus of a well bore. The malleable particulates then degrade over time in the subterranean formation.
摘要翻译：方法包括提供包括基础流体和聚合物颗粒的处理流体并将处理流体引入温度高于约65℃的地下地层的步骤。聚合物颗粒包含可降解聚合物和增塑剂并且显示Tg高于约-15℃。当将聚合物颗粒置于温度高于约65℃的地下地层中时，它们从刚性形式转变为可延展形式并且能够提供流体损失，密封岩石表面用于流体分流，或沿着井眼的环带堵塞一个区域。然后随着时间的推移，可延展的颗粒在地层中降解。

6. 发明授权

US08430173B2 High strength dissolvable structures for use in a subterranean well 失效
标题翻译：用于地下井的高强度可溶解结构
公开(公告)号：US08430173B2
公开(公告)日：2013-04-30
申请号：US12758781
申请日：2010-04-12
申请人： Bradley L. Todd , Thomas D. Welton , Luke W. Holderman , Ivan Suleiman
发明人： Bradley L. Todd , Thomas D. Welton , Luke W. Holderman , Ivan Suleiman
IPC分类号： E21B29/02 , E21B34/06
CPC分类号： E21B34/063 , E21B33/1204 , E21B2034/005
摘要： A well tool can include a flow path, and a flow blocking device which selectively prevents flow through the flow path. The device can include an anhydrous boron compound. A method of constructing a downhole well tool can include forming a structure of a solid mass comprising an anhydrous boron compound, and incorporating the structure into the well tool.
摘要翻译：井工具可以包括流动路径以及选择性地防止流过流动路径的流动阻塞装置。该装置可以包括无水硼化合物。构造井下井具的方法可以包括形成包含无水硼化合物的固体物质的结构，并将该结构结合到孔工具中。

7. 发明申请

US20130081813A1 Methods of Fluid Loss Control, Diversion, and Sealing Using Deformable Particulates 有权
标题翻译：使用可变形颗粒的流体损失控制，引流和密封方法
公开(公告)号：US20130081813A1
公开(公告)日：2013-04-04
申请号：US13252349
申请日：2011-10-04
申请人： Feng Liang , Bradley L. Todd , Thomas D. Welton , Rajesh K. Saini
发明人： Feng Liang , Bradley L. Todd , Thomas D. Welton , Rajesh K. Saini
IPC分类号： E21B43/22
CPC分类号： C09K8/035 , C09K8/508
摘要： Method including the steps of providing a treatment fluid that comprises a base fluid and polymeric particulates wherein the polymeric particulates comprise a degradable polymer and a plasticizer and exhibit a Tg above about −15° C.; introducing the treatment fluid into a subterranean formation having a temperature above about 65° C. such that the particulates transform from rigid to malleable form and are able to provide fluid loss, seal the rock surfaces for fluid diversion, or plug an area along the annulus of a well bore; and, degrading the malleable particulates over time in the subterranean formation.
摘要翻译：方法包括提供包含基础流体和聚合物颗粒的处理流体的步骤，其中聚合物颗粒包含可降解聚合物和增塑剂，并且具有高于约-15℃的Tg。将处理流体引入具有高于约65℃的温度的地下地层，使得颗粒从刚性变形为可延展形式并且能够提供流体损失，密封岩石表面用于流体分流，或者沿着环形空间的井眼; 并且在地下地层中随着时间的推移降解可延展的颗粒物。

8. 发明申请

US20110120712A1 INCREASING FRACTURE COMPLEXITY IN ULTRA-LOW PERMEABLE SUBTERRANEAN FORMATION USING DEGRADABLE PARTICULATE 有权
公开(公告)号：US20110120712A1
公开(公告)日：2011-05-26
申请号：US13017745
申请日：2011-01-31
申请人： Bradley L. Todd , Thomas D. Welton
发明人： Bradley L. Todd , Thomas D. Welton
IPC分类号： E21B43/267
CPC分类号： C09K8/03 , C04B28/02 , C04B2103/0045 , C09K8/42 , C09K8/467 , C09K8/516 , C09K8/536 , C09K8/685 , C09K2208/18 , E21B43/267 , Y10S507/922 , Y10S507/924 , C04B24/003 , C04B24/06 , C04B24/123
摘要： A method of increasing the fracture complexity in a treatment zone of a subterranean formation is provided. The subterranean formation is characterized by having a matrix permeability less than 1.0 microDarcy. The method includes the step of pumping one or more fracturing fluids into a far-field region of a treatment zone of the subterranean formation at a rate and pressure above the fracture pressure of the treatment zone. A first fracturing fluid of the one or more fracturing fluids includes a first solid particulate, wherein: (a) the first solid particulate includes a particle size distribution for bridging the pore throats of a proppant pack previously formed or to be formed in the treatment zone; and (b) the first solid particulate comprises a degradable material. In an embodiment, the first solid particulate is in an insufficient amount in the first fracturing fluid to increase the packed volume fraction of any region of the proppant pack to greater than 73%. Similar methods using stepwise fracturing fluids and remedial fracturing treatments are provided.

9. 发明申请

US20090291863A1 Methods of Diverting Chelating Agents in Subterranean Treatments 有权
标题翻译：在地下处理中转移螯合剂的方法
公开(公告)号：US20090291863A1
公开(公告)日：2009-11-26
申请号：US12533150
申请日：2009-07-31
申请人： Thomas D. Welton , Bradley L. Todd , Larry S. Eoff
发明人： Thomas D. Welton , Bradley L. Todd , Larry S. Eoff
IPC分类号： C09K8/68
CPC分类号： C09K8/86 , C09K8/528 , C09K8/74
摘要： Methods and compositions including a method comprising: providing a treatment fluid comprising an aqueous fluid, a relative permeability modifier, and a chelating agent; introducing the treatment fluid into a well bore that penetrates a subterranean formation; and allowing at least a first portion of the treatment fluid to penetrate into a portion of the subterranean formation so as to substantially divert a second portion of the treatment fluid to another portion of the subterranean formation.
摘要翻译：方法和组合物，包括一种方法，包括：提供包含水性流体，相对渗透性改性剂和螯合剂的处理流体; 将处理流体引入渗透地下地层的井眼; 并且允许处理流体的至少第一部分渗透到地下地层的一部分中，以便基本上将处理流体的第二部分转移到地下地层的另一部分。

10. 发明申请

US20090255668A1 Clean Fluid Systems for Partial Monolayer Fracturing 有权
标题翻译：清洁流体系统部分单层压裂
公开(公告)号：US20090255668A1
公开(公告)日：2009-10-15
申请号：US12101099
申请日：2008-04-10
申请人： Jeff T. Fleming , Richard W. Pauls , Thomas D. Welton , David E. McMechan , Bradley L. Todd , Jason Bryant
发明人： Jeff T. Fleming , Richard W. Pauls , Thomas D. Welton , David E. McMechan , Bradley L. Todd , Jason Bryant
IPC分类号： E21B43/267 , E21B47/00 , E21B43/22
CPC分类号： C09K8/685 , C09K8/703 , C09K8/80 , C09K8/805
摘要： Provided are methods that include a method comprising: placing a clean fluid comprising proppant particulates into a portion of a fracture in a subterranean formation, and depositing one or more of the proppant particulates into the fracture to form a partial monolayer. In another aspect, the invention provides methods that include placing a degradable fluid loss additive comprising collagen into a subterranean formation.
摘要翻译：提供的方法包括一种方法，包括：将包含支撑剂颗粒的清洁流体放置在地层中的断裂的一部分中，以及将一种或多种支撑剂颗粒沉积到断裂中以形成部分单层。在另一方面，本发明提供了包括将包含胶原蛋白的可降解流体损失添加剂放置在地层中的方法。

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