Biopolymer/oil suspension compositions utilized in aqueous-based fluids
used in the oil service industry including completion and drilling
fluids
    2.
    发明授权
    Biopolymer/oil suspension compositions utilized in aqueous-based fluids used in the oil service industry including completion and drilling fluids 失效
    用于石油服务行业(包括完井和钻井液)的含水基流体中的生物聚合物/油悬浮液组合物

    公开(公告)号:US5710108A

    公开(公告)日:1998-01-20

    申请号:US628368

    申请日:1996-04-05

    IPC分类号: C09K8/08 C09K8/10 C09K7/02

    CPC分类号: C09K8/10 C09K8/08 Y10S507/925

    摘要: The invention involves biopolymer/oil suspension compositions for the oil service industry, most particularly drilling and completion fluids, which provide such fluids a variety of desirable properties. Biopolymers include water soluble polymers and water swellable polymers. Such biopolymer/oil suspension compositions are essentially mixtures of biopolymers such as cellulosics in an oil medium with a specific anti-settling additive. The invention is particularly directed to providing enhanced anti-settling properties to such biopolymer/oil compositions; that is, the ability of the biopolymer/oil composition to retain the biopolymers in suspension prior to the composition being introduced into drilling and completion fluids. The invention in one embodiment is described as a liquid biopolymer-in-oil additive compositions for use in aqueous-based completion fluids, containing an agent comprising: a) one or more polyamides, and b) hydrogenated caster oils including castorwax.

    摘要翻译: 本发明涉及用于石油服务行业的生物聚合物/油悬浮组合物,最特别的是钻井和完井液,其为这种流体提供各种所需的性能。 生物聚合物包括水溶性聚合物和水溶胀性聚合物。 这种生物聚合物/油悬浮组合物基本上是具有特定抗沉降添加剂的油介质中的生物聚合物如纤维素的混合物。 本发明特别涉及提供对这种生物聚合物/油组合物的增强的抗沉降性能; 即生物聚合物/油组合物在将组合物引入钻井和完井液之前将生物聚合物保持在悬浮液中的能力。 在一个实施方案中,本发明被描述为用于水基完井液的液体生物聚合物油中添加剂组合物,其含有试剂,其包含:a)一种或多种聚酰胺,和b)包括蓖麻油的氢化蓖麻油。

    Process for producing quarternary ammonium compounds
    3.
    发明授权
    Process for producing quarternary ammonium compounds 失效
    生产季铵化合物的方法

    公开(公告)号:US5696292A

    公开(公告)日:1997-12-09

    申请号:US388059

    申请日:1995-02-10

    IPC分类号: C07C209/12

    CPC分类号: C07C209/12

    摘要: Process for the preparation of quaternary ammonium compounds, by preparing a mixture of a tertiary amine and a liquid reaction vehicle and adding an alkyl halide to the mixture to produce a quaternary ammonium halide, the liquid reaction medium being a liquid, low volatility, substantially non-toxic diluent having a vapor pressure not greater than about 1 mm. Hg at a temperature of 25.degree. C. and preferably being a fatty acid or a fatty acid mono-, di-, or triglyceride, a mineral oil, or 2-ethylhexanol wherein the alkyl groups comprising the fatty acids or the triglycerides have from about 10 to about 24 carbon atoms, the quaternary ammonium compounds being particularly suited for uses such as deinking of paper in conjunction with appropriate clays, surfactants, flotation agents, anti-static agents and biocides.

    摘要翻译: 通过制备叔胺和液体反应载体的混合物并向混合物中加入烷基卤以制备季铵卤化物,制备季铵化合物的方法,液体反应介质为液体,低挥发性,基本上不含 蒸气压不大于约1mm的无毒稀释剂。 Hg,其温度为25℃,优选为脂肪酸或脂肪酸单 - ,二 - 或甘油三酸酯,矿物油或2-乙基己醇,其中包含脂肪酸或甘油三酸酯的烷基具有约 10至约24个碳原子,季铵化合物特别适用于与适当的粘土,表面活性剂,浮选剂,抗静电剂和杀生物剂结合使用的纸的脱墨等用途。

    Method for producing submicron polytetrafluoroethylene powder and products thereof
    4.
    发明申请
    Method for producing submicron polytetrafluoroethylene powder and products thereof 有权
    亚微米聚四氟乙烯粉末的制造方法及其制造方法

    公开(公告)号:US20070072956A1

    公开(公告)日:2007-03-29

    申请号:US10543514

    申请日:2004-01-26

    IPC分类号: C08J3/28

    摘要: A method for treating polytetrafluoroethylene (PTFE) in its reactor latex form to produce a dry submicron PTFE powder that remains stable without rheology modifiers, surfactants, wetting agents, pH adjusters or other stabilizing additives. Reactor latex PTFE formed during an emulsion polymerization process can be irradiated, with an electron beam or gamma rays, during or after the polymerization to form a product where the dry submicron PTFE powder is free-flowing, tends not to self-agglomerate and tends not to dust into the air upon handling so that the PTFE is readily dispersible when placed in a desired application system or medium.

    摘要翻译: 一种在其反应器胶乳形式中处理聚四氟乙烯(PTFE)的方法,以产生干燥亚微米PTFE粉末,其在没有流变改性剂,表面活性剂,润湿剂,pH调节剂或其它稳定添加剂的情况下保持稳定。 在乳液聚合过程中形成的反应器胶乳PTFE可以在聚合过程中或之后用电子束或γ射线照射,形成干亚微米PTFE粉末自由流动的产品,倾向于不自聚集,并且不趋向于 在处理时灰尘进入空气中,使得PTFE在放置在所需的应用系统或介质中时容易分散。

    Methods for producing submicron polytetrafluoroethylene powder and products thereof

    公开(公告)号:US20060020072A1

    公开(公告)日:2006-01-26

    申请号:US11024582

    申请日:2004-12-29

    IPC分类号: C08K5/01

    摘要: A method for producing submicron polytetrafluoroethylene (“PTFE”) powder in a free-flowing, readily dispersible form. The irradiated PTFE starting material is placed in a desired solvent and undergoes grinding until the PTFE particles reach submicron size. The submicron particles are subsequently recovered from the solvent and dried to form a powder that may have particles less than 1.00 μm in size. The dry PTFE powder may then be readily dispersed to submicron size into a desired application system. The submicron PTFE powder of this method is free-flowing, readily dispersible in various application systems, tends not to “dust” or self-agglomerate. Improved aqueous and organic dispersions of submicron PTFE particles may also be formed that display increased stability and require much less agitation than other processes of forming such dispersions. Such improved PTFE dispersions may be formed with or without the addition of surfactants, wetting agents, rheology modifiers, pH-adjusting agents, and the like.

    Non-volatile quaternary ammonium compositions and their uses
    7.
    发明授权
    Non-volatile quaternary ammonium compositions and their uses 失效
    非挥发性季铵组合物及其用途

    公开(公告)号:US6103687A

    公开(公告)日:2000-08-15

    申请号:US64723

    申请日:1998-04-23

    摘要: Quaternary ammonium compositions are described which are made in diluents based on vegetable oil such as soya bean oil. Such diluents remain as diluents in the final product and generally have a vapor pressure of 1 mm of Hg or less at 25.degree. C., and are liquid at ambient temperature. The liquid quaternary ammonium compound/diluent compositions have low toxicity and low volatile organic compound emission rates and high flash points, and can be tailored to particular applications. Such applications include use in fabric softeners, as cosmetics ingredients, deinking additives, surfactants, and reaction materials in the manufacture of organoclays.

    摘要翻译: 描述了基于植物油如大豆油的稀释剂制备的季铵组合物。 这种稀释剂在最终产品中作为稀释剂保留,并且在25℃下通常具有1mm Hg以下的蒸汽压,并且在环境温度下为液体。 液体季铵化合物/稀释剂组合物具有低毒性和低挥发性有机化合物排放率和高闪点,并且可以针对特定应用而定制。 这样的应用包括在织物柔软剂中使用,作为化妆品成分,脱墨添加剂,表面活性剂和用于制造有机粘土的反应材料。

    Polyurethane thickeners useful for clear and high gloss aqueous based
systems a process for providing rheological properties to clear
aqeous-based systems using such thickeners and clear aqueous-based
systems containing such thickeners
    8.
    发明授权
    Polyurethane thickeners useful for clear and high gloss aqueous based systems a process for providing rheological properties to clear aqeous-based systems using such thickeners and clear aqueous-based systems containing such thickeners 失效
    用于透明和高光泽水基体系的聚氨酯增稠剂用于使用这种增稠剂和含有这种增稠剂的透明含水系统提供流变性能以清除基于酸的体系的方法

    公开(公告)号:US5973063A

    公开(公告)日:1999-10-26

    申请号:US937027

    申请日:1997-09-24

    摘要: The present invention relates to improved thickening compositions, often referred to as Theological additives, used to provide viscosity control, flow, leveling and other rheological properties to clear aqueous systems such as automotive clear-coat paints and coatings. The invention hereof involves the synthesis of a new family of Theological additives by combining, through a reaction process, chemicals used to make specified polyurethane polymer compositions. These novel copolymers provides the good flow and leveling and gloss retention that polyurethane associative thickeners impart to water-based systems, without the loss of clarity that such polymers have caused in the past. Levels of the rheological thickening composition, varying between about 0.01% and about 10%, based on the total weight of the system to be thickened, have been found to be useful to create novel clear aqueous systems containing such thickening compositions.

    摘要翻译: 本发明涉及改进的增稠组合物,通常称为神学添加剂,用于提供粘度控制,流动,流平和其它流变性能以清除水性体系如汽车透明涂料和涂料。 本发明涉及通过反应过程将用于制备特定聚氨酯聚合物组合物的化学品结合在一起来合成新的神学添加剂系列。 这些新型共聚物提供聚氨酯缔合增稠剂赋予水基体系的良好的流动性和流平性和光泽保持性,而不会使过去这些聚合物引起的透明度降低。 已经发现流变增稠组合物的水平基于待增稠体系的总重量在约0.01%至约10%之间变化,可用于产生含有这种增稠组合物的新型透明含水体系。

    Less temperature dependent drilling fluids for use in deep water and directional drilling and processes for providing less temperature dependent rheological properties to such drilling fluids

    公开(公告)号:US06187719B1

    公开(公告)日:2001-02-13

    申请号:US09066844

    申请日:1998-04-28

    IPC分类号: E21B4322

    摘要: This invention is a process for improving the rheological properties of oil well drilling fluids particularly useful for oil-based invert emulsion types of drilling fluids. The process is particularly useful when drilling in deep water from an off-shore drilling rig. The new process uses as a rheological viscosifier, for such fluids, a composition which is a mixture of organoclays and castor wax and/or castor was type rheological additives, which when added to a drilling fluid at from about 0.5 and 5% by weight, creates an inventive drilling fluid compositions less sensitive to the variety of different and varying, very hot and very cold temperatures found in the drilling hole, and in the long stem of drilling pipe. The present invention also relates to the discovery of oil based invert emulsion drilling fluids that exhibit greater efficiency and provides more stable drilling fluid viscosity and anti-settling performance over varying temperatures when compared to conventional fluids containing organoclays. Conventional organophilic clays, when used as rheological additives in oil based invert muds, display marked viscosity increases in the mud when these muds are cooled through the temperature range found today in deep water and directional drilling, whereas muds prepared according to the present invention are dramatically more viscosity stable over the same temperature ranges. As a result, the fluids of this invention are ideal candidates for reduced temperature applications such ad deep water drilling and directional drilling. Organoclays, also known as organophilic clays, are the reaction product of smectite-type clays (most often bentonite and hectorite) quaternary ammonium compounds (also called cationic organic salts). Castor wax type rheological additives are derivative of castor oil produced by the controlled hydrogenation of castor oil.