High solids content slurries and methods
    3.
    发明授权
    High solids content slurries and methods 有权
    高固体含量的浆料和方法

    公开(公告)号:US08765646B2

    公开(公告)日:2014-07-01

    申请号:US13372589

    申请日:2012-02-14

    IPC分类号: C09K8/68

    摘要: A slurry and method are disclosed for low damage gravel packing. The slurry comprises a solids mixture comprising a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75; a carrier fluid in an amount to provide a solids volume fraction (SVF) less than the PVF of the solids mixture; and a stability additive to inhibit settling of the solids mixture. The method comprises circulating the slurry into a wellbore to deposit the slurry downhole; terminating the slurry circulation for a period of time, wherein the stability additive inhibits settling of the solids mixture; and thereafter circulating the deposited slurry in contact with a surface of a screen. Stability additives disclosed include colloidal particles, hydratable polymer particles, and particles having an aspect ratio above 6.

    摘要翻译: 公开了一种用于低损伤砾石包装的浆料和方法。 该浆液包含一种包含多个体积平均粒度分布(PSD)模式的固体混合物,使得填充体积分数(PVF)超过0.75; 载体流体,其量提供小于固体混合物的PVF的固体体积分数(SVF); 以及稳定添加剂以抑制固体混合物的沉降。 该方法包括将浆料循环到井眼中以将井下的泥浆沉积; 终止浆料循环一段时间,其中稳定性添加剂抑制固体混合物的沉降; 然后使沉积的浆料与筛网的表面接触。 所公开的稳定添加剂包括胶体颗粒,可水合的聚合物颗粒和长宽比高于6的颗粒。

    System and method for low damage gravel packing
    4.
    发明授权
    System and method for low damage gravel packing 有权
    低破碎砾石包装的系统和方法

    公开(公告)号:US08210249B2

    公开(公告)日:2012-07-03

    申请号:US13182191

    申请日:2011-07-13

    IPC分类号: E21B43/04

    摘要: A method is disclosed for low damage gravel packing. The method includes combining a carrier fluid, a first amount of particulates, and a second amount of particulates into a slurry. The first amount of particulates have a first average size distribution and the second amount of particulates have a second average size distribution, and the first average size distribution is at least three times larger than the second average size distribution. The slurry includes particles which are at least partially degradable material, and with reactive solid constituents. The reactive solid reacts with the degradable material and/or a hydrolysis product of the degradable material. The method further includes positioning a screen in a wellbore, and circulating the slurry through the wellbore such that the first amount of particulates and the second amount of particulates are deposited on an outer surface of the screen.

    摘要翻译: 公开了一种低损伤砾石包装的方法。 该方法包括将载体流体,第一量的微粒和第二量的微粒组合成浆料。 第一量的颗粒具有第一平均尺寸分​​布,第二量的颗粒具有第二平均尺寸分​​布,并且第一平均尺寸分​​布比第二平均尺寸分​​布大至少三倍。 浆料包括至少部分可降解材料的颗粒和具有反应性固体成分的颗粒。 反应性固体与可降解材料和/或可降解材料的水解产物反应。 该方法还包括将筛网定位在井筒中,并使浆料循环通过井筒,使得第一量的微粒和第二量的微粒沉积在筛网的外表面上。

    High solids content slurry methods and systems
    5.
    发明授权
    High solids content slurry methods and systems 失效
    高固含量浆料方法和系统

    公开(公告)号:US08511381B2

    公开(公告)日:2013-08-20

    申请号:US12827853

    申请日:2010-06-30

    CPC分类号: E21B43/04 C09K8/80 E21B43/267

    摘要: A system and method are disclosed for low damage gravel packing. The system comprises a well bore; a gravel packing slurry comprising a carrier fluid and a solids mixture, wherein the solids mixture comprises a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75, wherein the solids mixture comprises at least a proppant PSD mode and a fines PSD mode; a pump to circulate the slurry in the wellbore and form a proppant pack; and a dispersant source effective to facilitate fines flowback from the pack. The method comprises circulating the slurry through a wellbore to form a proppant pack; contacting fines in the pack with a dispersant; and passing fluid through the pack to remove fines from the pack. Dispersants disclosed as present in the slurry or in another treatment fluid include polyelectrolyte, polysulfonate, polycarboxylate, lignosulfonates, polymelamine sulfonates, polystyrene sulfonates, polynaphthalene sulfonates, polyacrylates having a weight average molecular weight less than 10,000 Daltons, anionic, cationic, amphoteric and zwitterionic surfactants, and nonionic surfactants.

    摘要翻译: 公开了一种用于低损伤砾石包装的系统和方法。 该系统包括一个井眼; 包括载体流体和固体混合物的砾石填充浆料,其中所述固体混合物包含多个体积平均粒度分布(PSD)模式,使得填充体积分数(PVF)超过0.75,其中所述固体混合物至少包含 支撑剂PSD模式和罚款PSD模式; 使浆料在井眼中循环并形成支撑剂包的泵; 以及有效促进从包装中回流的细粉的分散剂源。 该方法包括使浆料循环通过井眼形成支撑剂包; 将细粉与分散剂接触; 并将流体通过包装以从包装中除去细粒料。 存在于浆料或另一种处理流体中的分散剂包括聚电解质,聚磺酸盐,聚羧酸盐,木质素磺酸盐,聚三聚氰胺磺酸盐,聚苯乙烯磺酸盐,聚萘磺酸盐,重均分子量小于10,000道尔顿的聚丙烯酸盐,阴离子,阳离子,两性和两性离子表面活性剂 ,和非离子表面活性剂。

    HIGH SOLIDS CONTENT SLURRY METHODS AND SYSTEMS
    7.
    发明申请
    HIGH SOLIDS CONTENT SLURRY METHODS AND SYSTEMS 失效
    高固体含量浆料方法和系统

    公开(公告)号:US20120000653A1

    公开(公告)日:2012-01-05

    申请号:US12827853

    申请日:2010-06-30

    IPC分类号: E21B43/267

    CPC分类号: E21B43/04 C09K8/80 E21B43/267

    摘要: A system and method are disclosed for low damage gravel packing. The system comprises a well bore; a gravel packing slurry comprising a carrier fluid and a solids mixture, wherein the solids mixture comprises a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75, wherein the solids mixture comprises at least a proppant PSD mode and a fines PSD mode; a pump to circulate the slurry in the wellbore and form a proppant pack; and a dispersant source effective to facilitate fines flowback from the pack. The method comprises circulating the slurry through a wellbore to form a proppant pack; contacting fines in the pack with a dispersant; and passing fluid through the pack to remove fines from the pack. Dispersants disclosed as present in the slurry or in another treatment fluid include polyelectrolyte, polysulfonate, polycarboxylate, lignosulfonates, polymelamine sulfonates, polystyrene sulfonates, polynaphthalene sulfonates, polyacrylates having a weight average molecular weight less than 10,000 Daltons, anionic, cationic, amphoteric and zwitterionic surfactants, and nonionic surfactants.

    摘要翻译: 公开了一种用于低损伤砾石包装的系统和方法。 该系统包括一个井眼; 包括载体流体和固体混合物的砾石填充浆料,其中所述固体混合物包含多个体积平均粒度分布(PSD)模式,使得填充体积分数(PVF)超过0.75,其中所述固体混合物至少包含 支撑剂PSD模式和罚款PSD模式; 使浆料在井眼中循环并形成支撑剂包的泵; 以及有效促进从包装中回流的细粉的分散剂源。 该方法包括使浆料循环通过井眼形成支撑剂包; 将细粉与分散剂接触; 并将流体通过包装以从包装中除去细粒料。 存在于浆料或另一种处理流体中的分散剂包括聚电解质,聚磺酸盐,聚羧酸盐,木质素磺酸盐,聚三聚氰胺磺酸盐,聚苯乙烯磺酸盐,聚萘磺酸盐,重均分子量小于10,000道尔顿的聚丙烯酸盐,阴离子,阳离子,两性和两性离子表面活性剂 ,和非离子表面活性剂。

    High solids content methods and slurries
    8.
    发明授权
    High solids content methods and slurries 有权
    高固体含量的方法和浆料

    公开(公告)号:US08490698B2

    公开(公告)日:2013-07-23

    申请号:US12827434

    申请日:2010-06-30

    CPC分类号: C09K8/572 C09K8/80 E21B43/04

    摘要: A composition and method are disclosed. The composition includes a carrier fluid and a solids mixture combined to form a slurry, wherein the solids mixture comprises a plurality of volume-averaged particle size distribution (PSD) modes, wherein a first PSD mode comprises solids having a volume-average median size at least three times larger than the volume-average median size of a second PSD mode such that a packed volume fraction of the solids mixture exceeds 0.75, and wherein the solids mixture comprises a degradable material and includes a reactive solid. The method includes circulating the slurry through a wellbore to form a pack in a fracture and/or a screen-wellbore annulus; degrading the degradable material to increase porosity and permeability of the pack; and producing a reservoir fluid through the permeable pack.

    摘要翻译: 公开了组合物和方法。 组合物包括载体流体和组合形成浆料的固体混合物,其中固体混合物包含多个体积平均粒度分布(PSD)模式,其中第一PSD模式包括具有体积平均中值大小在 比第二PSD模式的体积平均中值大小至少三倍,使得固体混合物的填充体积分数超过0.75,并且其中固体混合物包含可降解材料并包括反应性固体。 该方法包括使浆料循环通过井孔以在裂缝和/或筛孔 - 井筒环中形成一个包装; 降解可降解材料以增加包装的孔隙率和渗透性; 并通过可渗透包装生产贮存液。

    High solids content slurries and methods
    9.
    发明授权
    High solids content slurries and methods 有权
    高固体含量的浆料和方法

    公开(公告)号:US08119574B2

    公开(公告)日:2012-02-21

    申请号:US12827475

    申请日:2010-06-30

    摘要: A slurry and method are disclosed for low damage gravel packing. The slurry comprises a solids mixture comprising a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75; a carrier fluid in an amount to provide a solids volume fraction (SVF) less than the PVF of the solids mixture; and a stability additive to inhibit settling of the solids mixture. The method comprises circulating the slurry into a wellbore to deposit the slurry downhole; terminating the slurry circulation for a period of time, wherein the stability additive inhibits settling of the solids mixture; and thereafter circulating the deposited slurry in contact with a surface of a screen. Stability additives disclosed include colloidal particles, hydratable polymer particles, and particles having an aspect ratio above 6.

    摘要翻译: 公开了一种用于低损伤砾石包装的浆料和方法。 该浆液包含一种包含多个体积平均粒度分布(PSD)模式的固体混合物,使得填充体积分数(PVF)超过0.75; 载体流体,其量提供小于固体混合物的PVF的固体体积分数(SVF); 以及稳定添加剂以抑制固体混合物的沉降。 该方法包括将浆料循环到井眼中以将井下的泥浆沉积; 终止浆料循环一段时间,其中稳定性添加剂抑制固体混合物的沉降; 然后使沉积的浆料与筛网的表面接触。 所公开的稳定添加剂包括胶体颗粒,可水合的聚合物颗粒和长宽比高于6的颗粒。

    Method and composition comprising at least three different average particle volume particulates for low damage gravel packing
    10.
    发明授权
    Method and composition comprising at least three different average particle volume particulates for low damage gravel packing 有权
    包含至少三种不同平均颗粒体积的微粒的方法和组合物用于低损伤砾石填充

    公开(公告)号:US08008234B2

    公开(公告)日:2011-08-30

    申请号:US12816473

    申请日:2010-06-16

    IPC分类号: C09K8/50 E21B43/04

    摘要: A gravel packing system, method and slurry. The system comprises a blending device to prepare a slurry comprising a carrier fluid suspending first, second and third particulates, wherein the carrier fluid comprises a brine and less than about 2.4 g/L (20 lb per 1000 gallons) of a viscosifier, and wherein the sum of the mass of the particulates is greater than about 2.4 kg/L (20 pounds per gallon), wherein the first average particle volume is between 27 and 3375 times larger than the second average particle volume, which in turn is between 27 and 3375 times larger than the third average particle volume. The system can also include tubing to position a screen in the wellbore and a slurry pump to circulate the slurry from the blending device in the wellbore in any order such that the particulates are deposited in the screen annulus to form a gravel pack.

    摘要翻译: 砾石包装系统,方法和浆料。 该系统包括混合装置以制备包括悬浮第一,第二和第三颗粒的载体流体的浆料,其中载体流体包含盐水并且小于约2.4g / L(20磅/ 1000加仑)的增粘剂,并且其中 颗粒物质的总和大于约2.4kg / L(每加仑20磅),其中第一平均颗粒体积比第二平均颗粒体积大27至3375倍,其又在27和 比第三平均颗粒体积大3375倍。 该系统还可以包括用于将筛网定位在井眼中的管道以及浆料泵,以使淤浆中的混合装置以任何顺序循环,使得颗粒物沉积在筛孔中以形成砾石填料。