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    Well Treatment with Digital Core Analysis
    3.
    发明申请
    Well Treatment with Digital Core Analysis 审中-公开
    数字核心分析的良好治疗

    公开(公告)号：US20160025895A1

    公开(公告)日：2016-01-28

    申请号：US14444618

    申请日：2014-07-28

    Applicant: Schlumberger Technology Corporation

    Inventor： Murtaza Ziauddin ,  Denis Klemin ,  Mark Andersen ,  Alexander Nadeev

    IPC: G01V99/00 ,  E21B49/00 ,  E21B49/08

    CPC classification number: G01V99/005 ,  E21B41/00 ,  E21B43/25 ,  E21B49/02

    Abstract: Methods of well treatment include modeling approaches that account for the effect of pore structure during well stimulation treatments. In one aspect, methods may include preparing a computer model of a porous medium; simulating an injection of a fluid into the computer model of the porous medium; measuring a pore-scale heterogeneity of the computer model of the porous medium, and designing a stimulating fluid treatment for the porous medium. Other aspects may include the development of a wellbore stimulation methodology that allows stimulation fluid breakthrough curves of differing formation samples to be plotted as a single curve that accounts for the varied pore structure of the respective samples.

    Abstract translation: 井处理的方法包括在井刺激处理期间考虑孔结构的影响的建模方法。 一方面，方法可以包括制备多孔介质的计算机模型; 模拟将流体注入到多孔介质的计算机模型中; 测量多孔介质的计算机模型的孔尺度异质性，并设计多孔介质的刺激流体处理。 其他方面可以包括开发井眼刺激方法，其允许将不同地层样品的刺激流体穿透曲线绘制为考虑各个样品的不同孔结构的单个曲线。

    AQUEOUS SOLUTION AND METHODS FOR MANUFACTURE AND USE
    4.
    发明申请
    AQUEOUS SOLUTION AND METHODS FOR MANUFACTURE AND USE 审中-公开
    水溶液及其制造方法

    公开(公告)号：US20150240147A1

    公开(公告)日：2015-08-27

    申请号：US14189714

    申请日：2014-02-25

    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION

    Inventor： Li Jiang ,  Salvador Ayala ,  Bruno Lecerf ,  Richard Hutchins ,  Timothy G. J. Jones ,  Murtaza Ziauddin ,  Chad Kraemer ,  Jian He

    IPC: C09K8/68 ,  E21B43/16 ,  E21B43/26

    CPC classification number: C09K8/68 ,  C09K8/74

    Abstract: Oilfield treatment compositions contain water, hydrochloric acid and urea. The urea and water may be present at a urea/water weight ratio between 0.8 and 12.0, and the hydrochloric acid and urea may be present at a urea/hydrochloric acid molar ratio between 0.1 and 0.5. The compositions are present as one liquid phase. The volumes of the compositions are substantially higher than those of the water volumes; consequently, the amount of water necessary to perform various well-service operations is lower.

    Abstract translation: 油田处理组合物含有水，盐酸和尿素。 尿素和水可以以0.8和12.0之间的尿素/水重量比存在，并且盐酸和尿素可以以0.1至0.5的尿素/盐酸摩尔比存在。 组合物作为一个液相存在。 组合物的体积显着高于水体积; 因此，执行各种良好服务操作所需的水量较低。

    VISCOSIFIED ACID FLUID AND METHOD FOR USE THEREOF
    5.
    发明申请
    VISCOSIFIED ACID FLUID AND METHOD FOR USE THEREOF 审中-公开
    粘稠酸流体及其使用方法

    公开(公告)号：US20150034315A1

    公开(公告)日：2015-02-05

    申请号：US13955521

    申请日：2013-07-31

    Applicant: Schlumberger Technology Corporation

    Inventor： Li Jiang ,  Bruno Lecerf ,  Murtaza Ziauddin ,  Jian He ,  Boingoc Dang

    IPC: C09K8/68 ,  E21B43/267

    CPC classification number: C09K8/68 ,  C09K8/725 ,  C09K8/74 ,  C09K2208/30 ,  E21B43/267

    Abstract: A method includes providing an oilfield treatment fluid including an aqueous HCl solution having greater than 15% HCl by weight, and a fixing agent (FA) in a molar ratio of FA:HCl of between 0.5 and 2.5 inclusive. The FA is urea and/or a urea derivative. The oilfield treatment fluid further includes a viscosifying agent that is not a plant-based polysaccharide gum. The method further includes providing the oilfield treatment fluid to a high pressure pump, and operating the high pressure pump to treat a formation fluidly coupled to a wellbore.

    Abstract translation: 一种方法包括提供一种油田处理流体，其包含重量大于15％的HCl的HCl水溶液，和FA：HCl的摩尔比在0.5和2.5之间的固定剂（FA）。 FA是尿素和/或尿素衍生物。 油田处理液还包括不是植物性多糖胶的增粘剂。 该方法还包括将油田处理流体提供给高压泵，并且操作高压泵以处理流体连接到井眼的地层。

    METHOD FOR SINGLE-STAGE TREATMENT OF SILICEOUS SUBTERRANEAN FORMATIONS
    6.
    发明申请
    METHOD FOR SINGLE-STAGE TREATMENT OF SILICEOUS SUBTERRANEAN FORMATIONS 审中-公开
    用于单层处理硅藻土的方法

    公开(公告)号：US20130079260A1

    公开(公告)日：2013-03-28

    申请号：US13682296

    申请日：2012-11-20

    Applicant: Schlumberger Technology Corporation

    Inventor： Wayne W. Frenier ,  Diankui Fu ,  Stephen Nigel Davies ,  Murtaza Ziauddin ,  Zhijun Xiao ,  Bruno Lecerf ,  Helene Bulte-Loyer

    IPC: C09K8/72

    CPC classification number: C09K8/74

    Abstract: In a method of treating a sandstone-containing formation penetrated by a wellbore, a treatment fluid comprising an aqueous fluid containing a Bronsted acid, a hydrogen fluoride source and an organic acid or salt thereof that is substantially soluble in the aqueous fluid is formed. The treatment fluid contains less than about 2% of fluoride (F−) by weight of the fluid and from 2% or less of sodium (Na+) by weight of the fluid. The treatment fluid is introduced into the formation through the wellbore as a single-stage without introducing an acid-containing fluid preflush into the formation prior to introducing the treatment fluid.

    Abstract translation: 在处理由井眼渗透的含砂岩地层的方法中，形成包含基本上可溶于水性流体的含有布朗斯台德酸，氟化氢源及其有机酸或其盐的含水流体的处理流体。 处理液含有少于约2％的流体重量的氟化物（F-），和流体重量的2％或更少的钠（Na +）。 在引入处理流体之前，将处理流体作为单阶段通过井筒引入地层，而不将酸含量的流体预吹入地层中。

    Acid stimulation methods
    7.
    发明授权
    Acid stimulation methods 有权

    公开(公告)号：US11767465B2

    公开(公告)日：2023-09-26

    申请号：US17606071

    申请日：2020-04-23

    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION

    Inventor： Murtaza Ziauddin ,  Mahmoud Ali

    IPC: C09K8/72 ,  C09K8/60 ,  C09K8/86

    CPC classification number: C09K8/72 ,  C09K8/602 ,  C09K8/86 ,  C09K2208/30

    Abstract: Stimulation treatments are designed and performed in a manner that takes into account radial acid flow into the formation. A reservoir core plug is selected and a liner core flow test is performed. The core flow test comprises measuring a flowing fraction, injecting into the core plug a treatment volume of at least one candidate stimulation fluid at an injection rate at reservoir conditions, and measuring an effective reaction rate constant. The linear flow data are then scaled to radial flow. A skin, an acid concentration at a wormhole tip and a fluid velocity at a wormhole tip are calculated. A stimulation treatment is then performed. The method can also be performed on analog cores. The stimulation treatment may be matrix acidizing, fracture acidizing or acidizing natural fractures.

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