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    • 1. 发明申请
    • FRACTURING METHOD FOR SUBTERRANEAN RESERVOIRS
    • 地下储层破碎方法
    • US20100006293A1
    • 2010-01-14
    • US12172413
    • 2008-07-14
    • Hongren GuJ. Ernest BrownFakuen F. Chang
    • Hongren GuJ. Ernest BrownFakuen F. Chang
    • E21B43/26
    • E21B43/267
    • A method of creating multiple fractures in a well traversing a formation is described using pressurized fluids in a highly deviated or horizontal section of the well at a pressure above the fracturing pressure of the formation, wherein for creating a fracture the pressurized fluid is alternated between an acid fracturing fluid and a proppant loaded fluid, such that the proppant blocks the flow of pressurized fluid into a fracture created during a previous step of the method and the subsequently pressurized acid fracturing fluid creates a new fracture at a location along the highly deviated or horizontal section different from the location of the previously created fracture.
    • 使用在井的高度偏斜或水平部分中的压力高于地层压裂压力的压力来描述在穿过地层的井中产生多个裂缝的方法,其中为了产生断裂,加压流体在 酸性压裂液和支撑剂加载的流体,使得支撑剂阻止加压流体的流动进入在该方法的先前步骤期间产生的裂缝中,并且随后的加压酸压裂液在沿着高度偏离或水平的位置处产生新的断裂 不同于先前创建的骨折的位置。
    • 2. 发明授权
    • Fracturing method for subterranean reservoirs
    • 地下水库压裂方法
    • US07644761B1
    • 2010-01-12
    • US12172413
    • 2008-07-14
    • Hongren GuJ. Ernest BrownFakuen F. Chang
    • Hongren GuJ. Ernest BrownFakuen F. Chang
    • E21B43/267
    • E21B43/267
    • A method of creating multiple fractures in a well traversing a formation is described using pressurized fluids in a highly deviated or horizontal section of the well at a pressure above the fracturing pressure of the formation, wherein for creating a fracture the pressurized fluid is alternated between an acid fracturing fluid and a proppant loaded fluid, such that the proppant blocks the flow of pressurized fluid into a fracture created during a previous step of the method and the subsequently pressurized acid fracturing fluid creates a new fracture at a location along the highly deviated or horizontal section different from the location of the previously created fracture.
    • 使用在井的高度偏斜或水平部分中的压力高于地层压裂压力的压力来描述在穿过地层的井中产生多个裂缝的方法,其中为了产生断裂,加压流体在 酸性压裂液和支撑剂加载的流体,使得支撑剂阻止加压流体的流动进入在该方法的先前步骤期间产生的裂缝中,并且随后的加压酸压裂液在沿着高度偏离或水平的位置处产生新的断裂 不同于先前创建的骨折的位置。
    • 4. 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
    • US08636065B2
    • 2014-01-28
    • US13097263
    • 2011-04-29
    • Timothy LeskoJ. Ernest BrownDean M. WillbergIvan V. KosarevAnatoly Medvedev
    • Timothy LeskoJ. Ernest BrownDean M. WillbergIvan V. KosarevAnatoly Medvedev
    • 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) 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。 该方法包括将包括支撑剂(16)和称为通道(18)的支撑剂间隔填料的井处理流体通过井筒(10)注入到裂缝(20)中,将支撑剂不均匀地放置在多个支撑剂团簇 或通过所述通道(24)间隔开的岛(22),以及去除所述通道填料(24)以形成围绕所述柱(28)的开放通道(26),用于流体从所述地层(14)穿过所述断裂 )朝向井眼(10)。 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。
    • 10. 发明申请
    • Heterogeneous Proppant Placement in a Fracture with Removable Channelant Fill
    • 在可拆卸的渠道填充物的断裂中的异质支撑剂放置
    • US20080135242A1
    • 2008-06-12
    • US11608686
    • 2006-12-08
    • Timothy LeskoJ. Ernest BrownDean M. WillbergIvan KosarevAnatoly Medvedev
    • Timothy LeskoJ. Ernest BrownDean M. WillbergIvan KosarevAnatoly Medvedev
    • E21B43/267
    • C09K8/665C09K8/68C09K8/72C09K8/80C09K8/805E21B43/267
    • A method of heterogeneous proppant placement in a subterranean fracture is disclosed. The method comprises injecting well treatment fluid including proppant (16) 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。 该方法包括将包括支撑剂(16)和称为通道(18)的支撑剂间隔填料的井处理流体通过井筒(10)注入到裂缝(20)中,将支撑剂不均匀地放置在多个支撑剂团簇 或通过所述通道(24)间隔开的岛(22),以及去除所述通道填料(24)以形成围绕所述柱(28)的开放通道(26),用于流体从所述地层(14)穿过所述断裂 )朝向井眼(10)。 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。