RECYCLABLE CLEANOUT FLUIDS
    62.
    发明申请
    RECYCLABLE CLEANOUT FLUIDS 有权
    可循环清洁流体

    公开(公告)号:US20130000916A1

    公开(公告)日:2013-01-03

    申请号:US13530295

    申请日:2012-06-22

    Applicant: Leiming Li

    Inventor: Leiming Li

    CPC classification number: C09K8/52 C09K8/32 E21B21/065 E21B37/06

    Abstract: A method for treating a wellbore or a subterranean formation penetrated by a wellbore includes preparing a gelled oil at the surface, introducing the gelled oil into the wellbore, recovering the gelled oil at the surface, adding a base to the gelled oil to reduce the viscosity, allowing entrained solids to settle out, adding an acid to increase the viscosity, and re-injecting the gelled oil.

    Abstract translation: 用于处理由井筒渗透的井眼或地下地层的方法包括在表面上制备凝胶油,将凝胶油引入井筒中,在表面回收凝胶油,向凝胶油中加入碱以降低粘度 ,允许夹带的固体沉淀,加入酸以增加粘度,并重新注入凝胶油。

    CALCIUM CARBONATE TO INCREASE VISCOSITY OF POLYACRYLAMIDE FLUIDS
    63.
    发明申请
    CALCIUM CARBONATE TO INCREASE VISCOSITY OF POLYACRYLAMIDE FLUIDS 审中-公开
    碳酸钙增加聚丙烯酰胺流体的粘度

    公开(公告)号:US20110315385A1

    公开(公告)日:2011-12-29

    申请号:US12823769

    申请日:2010-06-25

    CPC classification number: C09K8/665 C09K8/5045 C09K8/5083 C09K8/512 C09K8/685

    Abstract: Compositions and methods of treating a subterranean formation including forming a fluid comprising polyacrylamide and calcium carbonate and introducing the fluid to the formation, wherein the viscosity of the fluid is higher than if no calcium carbonate is present. Compositions and methods of treating a subterranean formation penetrated by a well bore including forming a fluid comprising polyacrylamide, calcium carbonate, and crosslinker, and introducing the fluid to the formation, wherein the fluid viscosity at 100 s-1 is increased from 300 cP to 600 cP at a temperature of 93 degC. Compositions and methods of treating a subterranean formation penetrated by a well bore including forming a fluid comprising polyacrylamide and barium carbonate and introducing the fluid to the formation, wherein the viscosity of the fluid is higher than if no barium carbonate is present.

    Abstract translation: 处理地下地层的组合物和方法,包括形成包含聚丙烯酰胺和碳酸钙的流体并将流体引入地层,其中流体的粘度高于不存在碳酸钙时的粘度。 处理由井眼渗透的地层的组合物和方法,包括形成包含聚丙烯酰胺,碳酸钙和交联剂的流体,并将流体引入地层,其中100s -1的流体粘度从300cP增加到600 cP在93摄氏度的温度下。 处理由井眼渗透的地层的组合物和方法,包括形成包含聚丙烯酰胺和碳酸钡的流体并将流体引入地层,其中流体的粘度高于不存在碳酸钡时的粘度。

    GELATION ACCELERATION
    64.
    发明申请
    GELATION ACCELERATION 审中-公开
    凝胶加速

    公开(公告)号:US20110315383A1

    公开(公告)日:2011-12-29

    申请号:US12821881

    申请日:2010-06-23

    CPC classification number: C09K8/703 C09K8/426 C09K8/94

    Abstract: The invention provides a method made of steps of injecting into a wellbore, a composition comprising a solvent, a crosslinkable polymer, a crosslinking agent capable of crosslinking the polymer or forming a polymer, and a gelling accelerator selected from the group consisting of carbon dioxide, polylactic acid, encapsulated acid and latent acid; and allowing viscosity of the composition to increase and form a gel more quickly with the gelling accelerator than without.

    Abstract translation: 本发明提供了一种方法,该方法是将井眼注入包含溶剂,可交联聚合物,能够交联聚合物或形成聚合物的交联剂的组合物,以及选自二氧化碳, 聚乳酸,包封酸和潜酸; 并且允许组合物的粘度随胶凝促进剂的增加而快速增加并形成凝胶。

    Composition and method for fluid recovery from well
    67.
    发明授权
    Composition and method for fluid recovery from well 失效
    从井中回收液体的组成和方法

    公开(公告)号:US07893010B2

    公开(公告)日:2011-02-22

    申请号:US12433420

    申请日:2009-04-30

    Abstract: A well treatment microemulsion for use in a subterranean formation is disclosed, the microemulsion comprises a solvent blend comprising a solvent and a co-solvent; a surfactant blend comprising a surfactant, wherein the surfactant blend is able to give formation intermediate wettability properties; an alcohol; and a carrier fluid; wherein the alcohol, the solvent and surfactant blends are combined with the carrier fluid to produce the well treatment microemulsion. By intermediate wettability it is meant that the water has an advancing contact angle on the surface between 62 and 133 degrees. The associate method of treating a subterranean formation of a well with the microemulsion and the associate method of modifying the wettability of the formation with the microemulsion are also disclosed.

    Abstract translation: 公开了一种用于地下地层的良好处理微乳液,微乳液包含包含溶剂和共溶剂的溶剂共混物; 包含表面活性剂的表面活性剂共混物,其中所述表面活性剂共混物能够形成中间润湿性; 酒精; 和载体流体; 其中将醇,溶剂和表面活性剂混合物与载体流体组合以产生井处理微乳液。 通过中间润湿性,这意味着水在62和133度之间的表面上具有前进的接触角。 还公开了用微乳液处理井的地下地层的联合方法以及用微乳液改性地层的润湿性的相关方法。

    ENVIRONMENTAL COMPOSITIONS AND METHODS FOR WELL TREATMENT
    68.
    发明申请
    ENVIRONMENTAL COMPOSITIONS AND METHODS FOR WELL TREATMENT 审中-公开
    环境组合物和方法治疗

    公开(公告)号:US20110017457A1

    公开(公告)日:2011-01-27

    申请号:US12833162

    申请日:2010-07-09

    Abstract: The invention provides a well treatment composition comprising: a viscoelastic surfactant or a cementing composition and an environmentally friendly component made of cellulosic matrix with organic acid trapped within. A method is disclosed comprising introducing into a wellbore penetrating a subterranean formation an environmentally friendly component made of cellulosic matrix with organic acid trapped within.Also, the invention provides a method for rheology modification optimization of a viscoelastic surfactant, comprising: (a) defining a rheology profile of the viscoelastic surfactant; (b) defining a comparative rheology profile of a composition of the viscoelastic surfactant and a first environmentally friendly naturally occurring component made of cellulosic matrix with organic acid derivative trapped within; (c) repeating step (b) with a second environmentally friendly component made of cellulosic matrix with organic acid derivative trapped within; (d) defining between the first and second environmentally friendly components, environmentally friendly component showing optimum modification of the rheology based on analysis of the rheology profile and comparative rheology profile.

    Abstract translation: 本发明提供了一种井下处理组合物,其包含:粘弹性表面活性剂或粘合剂组合物和由有机酸捕获在其中的纤维素基质制成的环境友好组分。 公开了一种方法,其包括将穿透地下地层的井筒引入由有机酸捕获的纤维素基质制成的环境友好的组分。 此外,本发明提供了一种粘弹性表面活性剂的流变改性优化方法,包括:(a)限定粘弹性表面活性剂的流变学特性; (b)限定粘弹性表面活性剂组合物和由有机酸衍生物捕获的由纤维素基质制成的第一环境友好的天然存在的组分的比较流变学特性; (c)用残留有有机酸衍生物的纤维素基质制成的第二种环保组分重复步骤(b) (d)在第一和第二环境友好组分之间限定,基于流变学特征和比较流变学特性分析,显示出对流变性的最佳改性的环境友好组分。

    Acidic Viscosity Enhancer for Viscoelastic Surfactant Fluids
    69.
    发明申请
    Acidic Viscosity Enhancer for Viscoelastic Surfactant Fluids 有权
    粘弹性表面活性剂流体的酸性粘度增强剂

    公开(公告)号:US20100331223A1

    公开(公告)日:2010-12-30

    申请号:US12491459

    申请日:2009-06-25

    CPC classification number: C09K8/602 C09K8/68 C09K8/703 C09K8/72 C09K2208/30

    Abstract: The invention discloses method of treating a subterranean formation of a well bore, the method comprising: providing a treatment fluid comprising: an aqueous base fluid; a viscosity enhancer; and a viscoelastic surfactant, wherein the enhancer is acid in the aqueous base fluid and co-operates with the viscoelastic surfactant to enhance viscosity compared to viscoelastic surfactant alone in the aqueous base fluid; and introducing the treatment fluid into the well bore.

    Abstract translation: 本发明公开了一种处理井眼地下地层的方法,所述方法包括:提供一种处理流体,包括:基础水溶液; 粘度增强剂; 粘弹性表面活性剂,其中增强剂在碱性水基液中为酸,并与粘弹性表面活性剂配合,以提高粘度,与单独的含水基体液中的粘弹性表面活性剂相比较; 并将处理流体引入井眼。

    High temperature fracturing fluids and method of use
    70.
    发明授权
    High temperature fracturing fluids and method of use 有权
    高温压裂液及其使用方法

    公开(公告)号:US07857055B2

    公开(公告)日:2010-12-28

    申请号:US12256602

    申请日:2008-10-23

    Applicant: Leiming Li

    Inventor: Leiming Li

    CPC classification number: C09K8/685 Y10S507/903

    Abstract: A treatment fluid for treating a subterranean formation is formed from an aqueous solution of a polysaccharide, a polyacrylamide, a crosslinking agent, which may be a Group 4 transition metal crosslinking agent, and less than 0.1% by weight of any clay component. In certain embodiments, the polyacrylamide may have an average molecular weight of from greater than 0.5 million to about 20 million and may be present in the fluid in an amount of from about 0.01% to 1% by weight of the fluid. A method of treating a subterranean formation penetrated by a wellbore may be carried out by introducing the treatment fluid into the formation through the wellbore. In certain embodiments, the treatment fluid may be introduced into a portion of the formation having a temperature of 120° C. or higher.

    Abstract translation: 用于处理地层的处理流体由多糖,聚丙烯酰胺,交联剂(可以是第4族过渡金属交联剂)和小于0.1重量%的任何粘土组分的水溶液形成。 在某些实施方案中,聚丙烯酰胺的平均分子量可以大于50万至约2000万,并且可以以流体的约0.01重量%至1重量%的量存在于流体中。 可以通过将井眼中的处理流体引入到地层中来进行井眼渗透的地层的处理方法。 在某些实施方案中,可将处理流体引入具有120℃或更高温度的部分地层中。

Patent Agency Ranking