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    • 1. 发明申请
    • Real-Time Automated Heterogeneous Proppant Placement
    • 实时自动异质支撑剂放置
    • US20080149329A1
    • 2008-06-26
    • US11613693
    • 2006-12-20
    • Iain CooperDean M. WillbergMatthew J. Miller
    • Iain CooperDean M. WillbergMatthew J. Miller
    • E21B43/267
    • E21B43/267
    • A system and a method for heterogeneous proppant placement in a fracture (12) in a subterranean formation (18) are disclosed. The system includes a delivery system (10) for delivering proppant and treatment fluid to the fracture (12), a sensor (20) for measuring geometry of the fracture and a computer (24) in communication with the sensor (20). The computer (24) includes a software tool for real-time design of a model (38) for heterogeneous proppant placement in the fracture (12) based on data from the sensor (20) measurements and a software tool for developing and updating a proppant placement schedule (42) for delivering the proppant and treatment fluid to the fracture (12) corresponding to the model. A control link between the computer (24) and the delivery system (10) permits the delivery system (10) to adjust the delivery of the proppant and treatment fluid according the updated proppant placement schedule.
    • 公开了一种用于在地层(18)中的裂缝(12)中的异质支撑剂放置的系统和方法。 该系统包括用于将支撑剂和处理流体输送到裂缝(12)的传送系统(10),用于测量裂缝的几何形状的传​​感器(20)和与传感器(20)连通的计算机(24)。 计算机(24)包括用于实时设计模型(38)的软件工具,用于基于来自传感器(20)测量的数据和用于开发和更新支撑剂的软件工具来在骨折(12)中布置异质支撑剂的模型(38) (42),用于将支撑剂和处理流体输送到对应于模型的断裂(12)。 计算机(24)和输送系统(10)之间的控制连接允许输送系统(10)根据更新的支撑剂放置计划来调节支撑剂和处理流体的输送。
    • 2. 发明授权
    • Real-time automated heterogeneous proppant placement
    • 实时自动化异种支撑剂放置
    • US07451812B2
    • 2008-11-18
    • US11613693
    • 2006-12-20
    • Iain CooperDean M. WillbergMatthew J. Miller
    • Iain CooperDean M. WillbergMatthew J. Miller
    • E21B43/267
    • E21B43/267
    • A system and a method for heterogeneous proppant placement in a fracture (12) in a subterranean formation (18) are disclosed. The system includes a delivery system (10) for delivering proppant and treatment fluid to the fracture (12), a sensor (20) for measuring geometry of the fracture and a computer (24) in communication with the sensor (20). The computer (24) includes a software tool for real-time design of a model (38) for heterogeneous proppant placement in the fracture (12) based on data from the sensor (20) measurements and a software tool for developing and updating a proppant placement schedule (42) for delivering the proppant and treatment fluid to the fracture (12) corresponding to the model. A control link between the computer (24) and the delivery system (10) permits the delivery system (10) to adjust the delivery of the proppant and treatment fluid according the updated proppant placement schedule.
    • 公开了一种用于在地层(18)中的裂缝(12)中的异质支撑剂放置的系统和方法。 该系统包括用于将支撑剂和处理流体输送到裂缝(12)的传送系统(10),用于测量裂缝的几何形状的传​​感器(20)和与传感器(20)连通的计算机(24)。 计算机(24)包括用于实时设计模型(38)的软件工具,用于基于来自传感器(20)测量的数据和用于开发和更新支撑剂的软件工具来在骨折(12)中布置异质支撑剂的模型(38) (42),用于将支撑剂和处理流体输送到对应于模型的断裂(12)。 计算机(24)和输送系统(10)之间的控制连接允许输送系统(10)根据更新的支撑剂放置计划来调节支撑剂和处理流体的输送。
    • 4. 发明申请
    • METHOD FOR HYDRAULIC FRACTURING OF SUBTERRANEAN FORMATION
    • US20090044945A1
    • 2009-02-19
    • US12162462
    • 2006-01-27
    • Dean M. WillbergMatthew J. MillerMarc Jean ThiercelinIvan Vitalievich Kosarev
    • Dean M. WillbergMatthew J. MillerMarc Jean ThiercelinIvan Vitalievich Kosarev
    • E21B43/26
    • C09K8/706C09K8/80E21B43/267Y10S507/924
    • The invention provides economically effective methods for hydraulic fracturing a subterranean formation that ensure improvement of the hydraulic fracture conductivity because of forming strong proppant clusters uniformly placed in the fracture throughout its length. One of these methods comprises: a first stage that involves injection into a borehole of fracturing fluid containing thickeners to create a fracture in the formation; and a second stage that involves periodic introduction of proppant into the injected fracturing fluid to supply the proppant into a created fracture, to form proppant clusters within the fracture to prevent fracture closure and channels for flowing formation fluids between the clusters, wherein the second stage or its sub-stages involve additional introduction of either a reinforcing or consolidation material or both, thus increasing the strength of the proppant clusters formed into the fracture fluid. Another method comprises: a first stage that involves injection of said fracturing fluid into a borehole, and a second stage that involves introduction of proppant into the injected fracturing fluid and further, involving periodic introduction of an agent into the fracturing fluid to provide formation of proppant clusters in the created fracture and channels for flowing formation fluids. Still another method comprises: a first stage that involves injection of a fracturing fluid into a borehole; a second stage that involves continuous introduction of a proppant into the injected fracturing fluid, and a third stage that involves injection of a lower-viscosity, in comparison with fracturing, fluid into the fracturing fluid, the lower-viscosity fluid, owing to the difference in viscosity compared to the fracturing fluid, penetrating into the fracturing fluid in the form of intrusions that divide the proppant into discrete clusters to form channels between them through which formation fluids to pass.
    • 5. 发明授权
    • Method for hydraulic fracturing of subterranean formation
    • 地下水力压裂方法
    • US08061424B2
    • 2011-11-22
    • US12162462
    • 2006-01-27
    • Dean M. WillbergMatthew J. MillerMarc Jean ThiercelinIvan Vitalievich Kosarev
    • Dean M. WillbergMatthew J. MillerMarc Jean ThiercelinIvan Vitalievich Kosarev
    • E21B43/267
    • C09K8/706C09K8/80E21B43/267Y10S507/924
    • The invention provides economically effective methods for hydraulic fracturing a subterranean formation that ensure improvement of the hydraulic fracturcconductivity because of forming strong proppant clusters uniformly placed in the fracture throughout its length. One of these methods comprises: a first stage that involves injection into a borehole of fracturing fluid containing thickeners to create a fracture in the formation; and a second stage that involves periodic introduction of proppant into the injected fracturing fluid to supply the proppant into a created fracture, to form proppant clusters within the fracture to prevent fracture closure and channels for flowing formation fluids between the clusters, wherein the second stage or its sub-stages involve additional introduction of either a reinforcing or consolidation material or both, thus increasing the strength of the proppant clusters formed into the fracture fluid.
    • 本发明提供了经济有效的水力压裂地下地层的方法,其确保了水力分解导电性的改善,因为在其整个长度上形成均匀地放置在裂缝中的强支撑剂簇。 这些方法之一包括:第一阶段,其涉及向包含增稠剂的压裂流体的井眼中注入以在地层中产生断裂的第一阶段; 以及第二阶段,其涉及将支撑剂定期引入注入的压裂流体中,以将支撑剂供应到所产生的裂缝中,以在裂缝内形成支撑剂簇以防止断裂闭合,以及用于在地层之间流动地层流体的通道,其中第二阶段或 其子阶段包括另外引入增强或固结材料或两者,从而增加形成在断裂流体中的支撑剂团簇的强度。
    • 10. 发明授权
    • Heterogeneous proppant placement in a fracture with removable channelant fill
    • 不均匀的支撑剂放置在具有可移除的通道填充物的断裂中
    • US08757259B2
    • 2014-06-24
    • US12945426
    • 2010-11-12
    • Timothy LeskoJ. Ernest BrownDean M. WillbergIvan V. KosarevAnatoly MedvedevJonathan AbbottAlexander Burukhin
    • Timothy LeskoJ. Ernest BrownDean M. WillbergIvan V. KosarevAnatoly MedvedevJonathan AbbottAlexander Burukhin
    • E21B43/267
    • E21B43/267C09K8/665C09K8/68C09K8/72C09K8/80
    • A method of heterogeneous proppant placement in a subterranean fracture is disclosed. The method comprises injecting well treatment fluid including proppant (16) wherein the proppant comprises from 1 to 100 percent in weight of stiff, low-elasticity and low-deformability elongated particles (34) and proppant-spacing filler material called a channelant (18) through a wellbore (10) into the fracture (20), heterogeneously placing the proppant in the fracture in a plurality of proppant clusters or islands (22) spaced apart by the channelant (24), and removing the channelant filler material (24) to form open channels (26) around the pillars (28) for fluid flow from the formation (14) through the fracture (20) toward the wellbore (10). The proppant and channelant can be segregated within the well treatment fluid, or segregated during placement in the fracture. The channelant can be dissolvable particles, initially acting as a filler material during placement of the proppant in the fracture, and later dissolving to leave the flow channels between the proppant pillars. The well treatment fluid can include fibers to provide reinforcement and consolidation of the proppant and, additionally or alternatively, to inhibit settling of the proppant in the treatment fluid.
    • 公开了一种在地下裂缝中布置非均相支撑剂的方法。 该方法包括注入包括支撑剂(16)在内的井处理流体,其中支撑剂包含1至100重量%的刚性,低弹性和低变形性细长颗粒(34)和称为通道(18)的支撑剂间隔填料, 通过井眼(10)进入裂缝(20),将支撑剂不均匀地放置在由通道(24)间隔开的多个支撑剂团簇或岛(22)中的断裂中,并将通道填料(24)移除到 在所述柱(28)周围形成用于从所述地层(14)穿过所述断裂(20)流向所述井筒(10)的开放通道(26)。 支撑剂和输送管可以在井内处理液中分离,或在放置在裂缝中时分离。 通道剂可以是可溶解的颗粒,最初在将支撑剂置于断裂中时充当填料,然后溶解以留下支撑剂柱之间的流动通道。 井处理流体可以包括纤维以提供支撑剂的增强和固结,并且还可以或另外地抑制支撑剂在处理流体中的沉降。