BIONIC SHALE INHIBITOR AND PREPARATION METHOD THEREOF AND DRILLING FLUID
    2.
    发明申请
    BIONIC SHALE INHIBITOR AND PREPARATION METHOD THEREOF AND DRILLING FLUID 审中-公开
    BIONIC SHALE抑制剂及其制备方法及钻井液

    公开(公告)号:US20160230063A1

    公开(公告)日:2016-08-11

    申请号:US14878649

    申请日:2015-10-08

    IPC分类号: C09K8/035 C09K8/52

    摘要: The present invention discloses a bionic shale inhibitor, consisting of structural units denoted by formula (1) and structural units denoted by formula (2), wherein, the molar ratio of the structural units denoted by formula (1) to the structural units denoted by formula (2) is 0.2-6:1, and the weight-average molecular weight of the shale inhibitor is 800-4,000 g/mol. The present invention further provides a method for preparation of a bionic shale inhibitor. The present invention further provides a drilling fluid containing the bionic shale inhibitor. The bionic shale inhibitor disclosed in the present invention has high shale inhibition capability, and is environment-friendly and pollution-free.

    摘要翻译: 本发明公开了一种由式(1)表示的结构单元和由式(2)表示的结构单元组成的生物页岩抑制剂,其中由式(1)表示的结构单元与由 式(2)为0.2-6:1,页岩抑制剂的重均分子量为800-4,000g / mol。 本发明还提供了一种制备仿生页岩抑制剂的方法。 本发明还提供了含有生物页岩抑制剂的钻井液。 本发明公开的生物页岩抑制剂具有高页岩抑制能力,且环境友好且无污染。

    BIONIC DRILLING FLUID AND PREPARATION METHOD THEREOF
    4.
    发明申请
    BIONIC DRILLING FLUID AND PREPARATION METHOD THEREOF 有权
    生物钻井液及其制备方法

    公开(公告)号:US20160333248A1

    公开(公告)日:2016-11-17

    申请号:US14871610

    申请日:2015-09-30

    IPC分类号: C09K8/12

    摘要: The present subject matter relates to the drilling fluid field, and discloses a bionic drilling fluid and a method for preparation of the bionic drilling fluid. The bionic drilling fluid comprises a specific bionic wall bracing agent, a bionic shale inhibitor, a filtrate reducer, and an amphiphilic reservoir protectant, wherein, the filtrate reducer comprises microcrystalline cellulose. The bionic drilling fluid provided in the present subject matter can effectively solve the problem of well wall instability, and has great industrial application prospects.

    摘要翻译: 本发明涉及钻井液场,并公开了一种仿生钻井液和一种制备仿生钻井液的方法。 仿生钻井液包括特定的仿生壁支撑剂,生物页岩抑制剂,滤液减量剂和两亲储层保护剂,其中滤液减量剂包含微晶纤维素。 本项目提供的仿生钻井液能有效解决井壁不稳定性问题,具有很大的工业应用前景。

    Drilling fluid additive composition and high temperature resistant clay-free whole-oil-based drilling fluid
    5.
    发明授权
    Drilling fluid additive composition and high temperature resistant clay-free whole-oil-based drilling fluid 有权
    钻井液添加剂组成和耐高温无粘土全油基钻井液

    公开(公告)号:US09481822B1

    公开(公告)日:2016-11-01

    申请号:US15136504

    申请日:2016-04-22

    IPC分类号: C09K8/36 C09K8/34 C09K8/035

    摘要: The present invention relates to the field of petrochemical drilling and discloses a drilling fluid additive composition. The composition contains rheological modifier, emulsifier and tackifier. Among them, the rheological modifier is dimer acid-organic amine copolymer comprising structural units from dimer acid, structural units from alkylamine and structural units from arylamine; the tackifier is modified polysiloxane nano-particles, and the modifying group Z on the polysiloxane nano-particles is the emulsifier is one or more of the compounds represented by the following Formula (1). The present invention further provides a high temperature resistant clay-free whole-oil-based drilling fluid containing the foregoing composition. Through synergistic effect of the rheological modifier, the emulsifier and the tackifier in the composition, the present invention obtains a clay-free whole-oil-based drilling fluid with desirable suspending power and temperature resistance.

    摘要翻译: 本发明涉及石化工业的钻井领域,并公开了一种钻井液添加剂组合物,其中包括剪切强度改进剂,乳化剂和增粘剂。 剪切强度提高剂是指二聚酸 - 有机胺共聚物,其包含二聚酸结构单元,烷基胺结构单元和芳族胺结构单元。 增粘剂是指如说明书中所定义的经修饰的组Z的改性聚硅氧烷纳米颗粒。 乳化剂是指说明书式(1)中所示的一种或多种化合物。 本发明还提供了包含该组合物的耐高温无粘土全油基钻井液。 在剪切强度改进剂,乳化剂和组合物的增粘剂的协同作用下制备具有良好悬浮力和耐温性的无粘土全油基钻井液。

    Protecting agent composition for high/ultra-high permeability reservoirs and drilling fluid and use thereof
    6.
    发明授权
    Protecting agent composition for high/ultra-high permeability reservoirs and drilling fluid and use thereof 有权
    用于高/超高渗透性储层和钻井液的保护剂组合物及其用途

    公开(公告)号:US09267068B1

    公开(公告)日:2016-02-23

    申请号:US14860411

    申请日:2015-09-21

    IPC分类号: C09K8/12 C09K8/03 E21B3/00

    CPC分类号: C09K8/03 C09K8/032 E21B3/00

    摘要: The present subject matter relates to a protecting agent composition for high/ultra-high permeability reservoirs, consisting of a protecting agent and a filler, wherein, the filler comprises calcium carbonate of 600-1,000 mesh, calcium carbonate of 300-590 mesh, and calcium carbonate of 50-200 mesh at 1:(1-30):(0-40) weight ratio, and the protecting agent comprises structural units denoted by the following formulae (1), (2), and (3). The present subject matter further provides a drilling fluid containing the above-mentioned composition. The present subject matter further provides a use of the drilling fluid for drilling in high/ultra-high permeability reservoirs. The drilling fluid provided in the present subject matter has advantages including easy use, high environmental friendliness, and outstanding reservoir protection, greatly reduces the damages of drilling fluid to high/ultra-high permeability reservoirs, and brings substantial economic benefits.

    摘要翻译: 本发明涉及一种由保护剂和填料组成的高/超高渗透性储层的保护剂组合物,其中填料包括600-1,000目的碳酸钙,300-590目的碳酸钙,和 1〜(1-30):(0-40)重量比为50-200目的碳酸钙,保护剂为由下式(1),(2)和(3)表示的结构单元。 本发明还提供了含有上述组合物的钻井液。 本主题进一步提供了用于在高/超高渗透性储层中钻井的钻井液的用途。 本项目提供的钻井液具有使用方便,环保性好,油藏保护性好等优点,大大降低了钻井液对高/超高渗油藏的破坏,带来了巨大的经济效益。

    Drilling fluid additive composition and super high temperature super high density clay-free oil-in-water drilling fluid
    7.
    发明授权
    Drilling fluid additive composition and super high temperature super high density clay-free oil-in-water drilling fluid 有权
    钻井液添加剂组合物和超高温超高密度无粘土水包油钻井液

    公开(公告)号:US09528042B1

    公开(公告)日:2016-12-27

    申请号:US15136496

    申请日:2016-04-22

    摘要: The present invention relates to the field of petrochemical drilling and discloses a drilling fluid additive composition. The composition contains an emulsifier and a rheological modifier. The emulsifier is one or more of the compounds represented by Formula (1); the rheological modifier is dimer acid-organic amine copolymer, comprising structural units from the dimer acid, structural units from the alkylamine and structural units from the arylamine. The present invention further provides a drilling fluid containing the foregoing composition. When a clay-free oil-in-water drilling fluid contains the drilling fluid additive composition of the present invention containing the emulsifier and rheological modifier, it may have high temperature resistance and high density;

    摘要翻译: 本发明涉及石油化学工程钻井领域,并公开了一种钻井液添加剂组合物。 该组合物含有乳化剂和剪切强度改进剂,其中乳化剂是一种或多种如式(1)所示的化合物; 剪切强度改进剂是二聚酸 - 有机胺共聚物,共聚物包含二聚酸结构单元,烷基胺的结构单元和芳族胺的结构单元。 本发明还提供含有组合物的钻井液。 当无粘土油包水钻井液含有含有乳化剂和剪切强度提高剂的钻井液添加剂组合物时,可以实现耐高温和高密度; 公式(1)可以在说明书中找到。

    Preparation method of a wettability reversal agent
    9.
    发明授权
    Preparation method of a wettability reversal agent 有权
    润湿性反转剂的制备方法

    公开(公告)号:US09296936B1

    公开(公告)日:2016-03-29

    申请号:US14861903

    申请日:2015-09-22

    摘要: The present subject matter relates to a preparation method of a wettability reversal agent, comprising: (1) adding an emulsifier into water to prepare a mixed solution of emulsifier; (2) adding compounds represented by formula (1-a), (2-a), (3-a), (4-a), (5-a), and (6-a) to the mixed solution of emulsifier to obtain a pre-emulsion, adding an initiator, and initiating a polymerization reaction. When the wettability reversal agent and reservoir protecting agent composition disclosed in the present subject matter are used in a drilling fluid, they can effectively prevent the permeation of the water phase and oil phase in the drilling fluid into the reservoir, reduce the filter loss of the drilling fluid, and thereby effectively protect the reservoir against damages from the drilling fluid.

    摘要翻译: 本发明涉及润湿性逆转剂的制备方法,其特征在于,包括:(1)将乳化剂加入水中,制备乳化剂的混合溶液; (2)将由式(1-a),(2-a),(3-a),(4-a),(5-a)和(6-a)表示的化合物加入到乳化剂 得到预乳液,加入引发剂,引发聚合反应。 当在本发明中公开的润湿性逆转剂和储存保护剂组合物用于钻井液时,它们可以有效地防止钻井液中的水相和油相渗透到储层中,减少过滤器的损失 钻井液,从而有效地保护储层免受钻井液的损害。

    Bionic drilling fluid and preparation method thereof
    10.
    发明授权
    Bionic drilling fluid and preparation method thereof 有权
    仿生钻井液及其制备方法

    公开(公告)号:US09528041B2

    公开(公告)日:2016-12-27

    申请号:US14871610

    申请日:2015-09-30

    IPC分类号: C09K8/12

    摘要: The present subject matter relates to the drilling fluid field, and discloses a bionic drilling fluid and a method for preparation of the bionic drilling fluid. The bionic drilling fluid comprises a specific bionic wall bracing agent, a bionic shale inhibitor, a filtrate reducer, and an amphiphilic reservoir protectant, wherein, the filtrate reducer comprises microcrystalline cellulose. The bionic drilling fluid provided in the present subject matter can effectively solve the problem of well wall instability, and has great industrial application prospects.

    摘要翻译: 本发明涉及钻井液场,并公开了一种仿生钻井液和一种制备仿生钻井液的方法。 仿生钻井液包括特定的仿生壁支撑剂,生物页岩抑制剂,滤液减量剂和两亲储层保护剂,其中滤液减量剂包含微晶纤维素。 本项目提供的仿生钻井液能有效解决井壁不稳定性问题,具有很大的工业应用前景。