Silane coated silicate minerals and method for preparing same
    71.
    发明授权
    Silane coated silicate minerals and method for preparing same 失效
    硅烷涂层硅酸盐矿物及其制备方法

    公开(公告)号:US4260498A

    公开(公告)日:1981-04-07

    申请号:US953239

    申请日:1978-10-20

    摘要: Phyllosilicate minerals which exhibit in their structure, sequentially, octahedral layers containing magnesium, aluminum and/or iron oxides and tetrahedral layers of silica, are superficially etched with dilute acid to remove the outer octahedral layer under controlled conditions which preserve the basic structural integrity of the mineral substrate. The acid etch exposes silanol groups on the outer silicate layer of the mineral so that they become available to form silicon-to-oxygen-to-silicon-to-carbon bonds through condensation with organo-silanes. The condensation of the organo-silane with the conditioned mineral surface is accomplished by mixing the acid etched silicate mineral with the organo-silane in a suitable solvent system under mild conditions.The organo-silane may be chosen from either of two classes: those which impart an oleophilic surface to the mineral; or those which enable the mineral surface to form additional chemical bonds with reactive sites within certain polymers and prepolymers. The mineral products of this invention which have been treated to possess oleophilic surfaces are superior additives for rheology control in lubricants, polyolefins, paints and oil well drilling fluids, as well as heat and moisture resistant reinforcing agents for rubbers; while those mineral products treated to possess surfaces chemically reactive with polymers and prepolymers when incorporated in such systems impart to the finished composites improved mechanical properties and heat and moisture resistance.

    摘要翻译: 在其结构中顺序地显示含有镁,铝和/或氧化铁的四面体层和二氧化硅四面体层的薄硅酸盐矿物用稀酸表面蚀刻以在受控条件下去除外部八面体层,其保持了基本结构完整性 矿物基质。 酸蚀刻在矿物的外硅酸盐层上暴露出硅烷醇基团,使得它们通过与有机硅烷缩合而形成硅与氧 - 硅 - 碳键。 有机硅烷与调理的矿物表面的缩合是通过在温和条件下将酸蚀刻的硅酸盐矿物与有机硅烷在合适的溶剂体系中混合来实现的。 有机硅烷可以选自以下两种之一:赋予矿物亲油性表面的那些; 或使矿物表面与某些聚合物和预聚物中的活性位点形成额外的化学键的那些。 已经被处理以具有亲油表面的本发明的矿物产品是润滑剂,聚烯烃,油漆和油井钻井液中的流变控制的优异添加剂,以及用于橡胶的耐热和防潮的增强剂; 当被纳入这种系统中时,被处理具有与聚合物和预聚物化学反应的表面的那些矿物产品赋予成品复合材料改善的机械性能和耐热和耐湿性。

    Water-in-oil microemulsion drilling fluids
    72.
    发明授权
    Water-in-oil microemulsion drilling fluids 失效
    油包水微乳液钻井液

    公开(公告)号:US4012329A

    公开(公告)日:1977-03-15

    申请号:US615280

    申请日:1975-09-22

    CPC分类号: C09K8/26 C09K8/36 F02B3/06

    摘要: An oil-external microemulsion drilling fluid having a wide range of tolerance for salinity, having good gel strength and low fluid loss characteristics, and also obtained by mixing about 1% to about 30% of a sodium petroleum sulfonate having an average equivalent weight within the range of about 350 to about 525, about 5% to about 84% of a hydrocarbon (e.g. diesel fuel), about 15% to about 90% of an aqueous medium (can contain water soluble salts), about 0.01 to about 20% of a cosurfactant (e.g. alcohols such as primary amyl alcohol) and about 0.1 to about 15% of bentonite clay. Weighting agents, e.g. barite, and other desired additives can be added to the microemulsion.

    摘要翻译: 一种具有广泛的盐度公差范围的油 - 外微乳液钻井液,具有良好的凝胶强度和低的流失特性,并且还通过将约1%至约30%的平均当量重量的石油磺酸钠混合在 约350至约525,约5%至约84%的烃(例如柴油),约15%至约90%的水性介质(可含有水溶性盐),约0.01%至约20% 辅助表面活性剂(例如醇如初级戊醇)和约0.1至约15%的膨润土。 加权剂,例如 重晶石和其他所需的添加剂可加入到微乳液中。

    Drilling fluids and method of drilling
    73.
    发明授权
    Drilling fluids and method of drilling 失效
    钻井液和钻井方法

    公开(公告)号:US07122507B2

    公开(公告)日:2006-10-17

    申请号:US10293614

    申请日:2002-11-14

    IPC分类号: C09K7/06

    CPC分类号: C09K8/36 C09K8/34

    摘要: Drilling, completing or workover of a well, particularly an oil and/or gas well, is carried out using a fluid which includes a continuous phase including an ester of the formula (I): (R2)p-Ph-(CH2)m—COO-(AO)n-R1 where R1, AO, n, m, Ph, R2 and p have defined meanings and particularly where the esters are alkyl or alkenyl benzoate esters. These esters are beneficial by having a range of viscosities, especially extending to low viscosities, and attractive toxicological and environmental profiles for use in drilling, completion and/or workover of wells.

    摘要翻译: 使用包括包含式(I)的酯的连续相的流体进行钻井,完井或修井,特别是油和/或气井:(R 2) p - (CH 2) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 其中R 1,AO,n,m,Ph,R 2和p具有定义的含义,特别是当酯是烷基或链烯基苯甲酸酯时。 这些酯通过具有一定范围的粘度,特别是延伸到低粘度,以及用于钻井,完井和/或修井的有吸引力的毒理学和环境特性是有益的。

    Additive for oil-based drilling fluids
    75.
    发明授权
    Additive for oil-based drilling fluids 有权
    油基钻井液添加剂

    公开(公告)号:US07008907B2

    公开(公告)日:2006-03-07

    申请号:US10611009

    申请日:2003-07-01

    IPC分类号: C09K7/06

    摘要: A method and product is disclosed which provides emulsion stability and filtration control to invert emulsion drilling fluids. The product comprises a blend of a carboxylic acid terminated polyamide and/or a wetting agent with a reaction product or mixture produced by the Diels-Alder reaction of dienophiles, preferably carboxylic acids, polycarboxylic acids, acid anhydrides, or combinations or mixes thereof, with a mixture of fatty acids and resin acids. The product of the invention is extremely effective, decreasing by about two-thirds the amount of emulsifier generally required to formulate an effective drilling fluid. The product of the invention also greatly reduces and in many cases eliminates the need for conventional fluid loss additives, and additionally provides electrical stability. Moreover, the product of the invention has a pour point as low as about 20 degrees Fahrenheit with minimal solvents, thereby eliminating the need to ship large amounts of inert material for use, and may be transported in a highly active state.

    摘要翻译: 公开了一种提供乳化稳定性和过滤控制以反转乳液钻井液的方法和产品。 该产品包括羧酸封端的聚酰胺和/或润湿剂与通过Dien-Alder反应产生的反应产物或混合物的共混物,所述反应产物或混合物通过亲二烯体,优选羧酸,多元羧酸,酸酐或其组合或混合物与Diels-Alder反应与 脂肪酸和树脂酸的混合物。 本发明的产品是非常有效的,减少了配制有效钻井液通常需要的乳化剂的量的约三分之二。 本发明的产品也大大降低,并且在许多情况下消除了对常规流体损失添加剂的需要,并且还提供电稳定性。 此外,本发明的产品具有低至约华氏20度的倾点,溶剂少,因此不需要运送大量惰性物质使用,并且可以以高活性状态运输。

    Method of drilling using a sized barite as a weighting agent for drilling fluids
    76.
    发明申请
    Method of drilling using a sized barite as a weighting agent for drilling fluids 有权
    使用大小重晶石作为钻井液加重剂进行钻孔的方法

    公开(公告)号:US20050277552A1

    公开(公告)日:2005-12-15

    申请号:US11145054

    申请日:2005-06-03

    IPC分类号: C09K7/06

    摘要: An additive that increases the density of fluids used in a wellbore during the construction or repair of oil, gas, injection, water, or geothermal wells comprises a wellbore fluid containing a sized barite weighting agent that has an increased density with improved suspension stability without a significant viscosity increase. The wellbore fluid as described herein has rheological properties comparable to a conventional wellbore fluids but does not exhibit problems with sag and resulting variations in density. An illustrative embodiment of the claimed subject matter is further directed to a method for making the sized barite weighting agent and a method for using such sized barite weighting agent in a wellbore fluid. In one preferred embodiment the sized barite weighting agent has a particle diameter between 4 μm to 15 μm. In another preferred embodiment, the additive has a D50 (by weight) of approximately 1 μm to 6 μm. In another preferred embodiment the additive has a D90 (by weight) of approximately 4 μm to 8 μm. The additive may be used in any wellbore fluid such as drilling, cementing, completion, packing, work-over (repairing), stimulation, well killing, and spacer fluid.

    摘要翻译: 在石油,天然气,注入,水或地热井的建造或修复期间增加在井眼中使用的流体密度的添加剂包括含有大小重晶体的井眼流体​​,其具有增加的密度并且具有改善的悬浮稳定性,而没有 显着的粘度增加。 如本文所述的井筒流体具有与常规井眼流体相当的流变性质,但是不会出现下垂和由此导致的密度变化的问题。 所要求保护的主题的说明性实施例进一步涉及一种用于制造大小重晶块加重剂的方法和在井眼流体中使用这种尺寸重晶粒剂的方法。 在一个优选实施方案中,所述大小的重晶重量计具有4μm至15μm之间的粒径。 在另一个优选的实施方案中,添加剂的D 50重量%(重量)为大约1至6微米。 在另一个优选的实施方案中,添加剂具有约4μm至8μm的D重量%(重量)。 该添加剂可用于任何井筒流体,如钻井,固井,完井,填料,加工(修复),刺激,杀伤和间隔液。

    Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formations
    77.
    发明申请
    Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formations 有权
    防止水基钻井液系统和钻井和其他水敏层的钻井方法

    公开(公告)号:US20050239663A1

    公开(公告)日:2005-10-27

    申请号:US10831668

    申请日:2004-04-24

    IPC分类号: C09K8/12 C09K8/52 C09K7/06

    CPC分类号: C09K8/12 C09K8/52 Y10S507/925

    摘要: An inhibitive water-based polymer mud system and method for using the system in drilling and in stabilizing wellbores is disclosed for use in water sensitive formations as an alternative to oil-based muds. The system comprises a non-ionic low molecular weight polyacrylamide in combination with a non-ionic high molecular weight polyacrylamide, preferably long chain alcohol and poly anionic cellulose.

    摘要翻译: 公开了一种用于钻井和稳定井眼中的系统的抑制性水基聚合物泥浆系统和方法,用于水敏性地层中作为油基泥浆的替代物。 该系统包括非离子低分子量聚丙烯酰胺与非离子高分子量聚丙烯酰胺,优选长链醇和聚阴离子纤维素的组合。

    Methods of reducing sag in non-aqueous fluids
    79.
    发明申请
    Methods of reducing sag in non-aqueous fluids 失效
    减少非水液体松弛的方法

    公开(公告)号:US20050164891A1

    公开(公告)日:2005-07-28

    申请号:US10764667

    申请日:2004-01-26

    IPC分类号: C09K8/32 C09K7/06

    CPC分类号: C09K8/32

    摘要: Methods of reducing sag include combining a cystol ester compound with a non-aqueous fluid and particles to reduce sag in the resulting fluid composition without significantly increasing the viscosity of the fluid composition. The fluid composition comprises the non-aqueous fluid, the particles, and the cystol ester compound. Suitable cystol ester compounds include cystol ester and derivatives of cystol ester having mono-, di-, or tri-substituted aromatic compounds as substituents. The non-aqueous fluid -may comprise an invert emulsion, diesel oil, mineral oil, an olefin, an organic ester, a synthetic fluid, or combinations thereof. Further, the fluid composition may be used as a wellbore servicing fluid such as a drilling fluid. The particles may comprise a weighting agent, e.g., barite, galena, hematite, dolomite, calcite, or combinations thereof. The fluid composition may also include organophilic clay.

    摘要翻译: 降低下垂的方法包括将鲸蜡酯化合物与非水性流体和颗粒组合以减少所得流体组合物中的下垂,而不显着增加流体组合物的粘度。 流体组合物包含非水性流体,颗粒和鲸蜡醇酯化合物。 合适的癸二醇酯化合物包括具有单取代基,二取代或三取代的芳族化合物作为取代基的胱抑酯和胞苷酯衍生物。 非水溶液可以包含反相乳液,柴油,矿物油,烯烃,有机酯,合成流体或其组合。 此外,流体组合物可以用作井筒维修流体,例如钻井液。 颗粒可以包括加重剂,例如重晶石,方铅矿,赤铁矿,白云石,方解石或其组合。 流体组合物还可以包括亲有机粘土。

    Method of formulating and using a drilling mud with fragile gels
    80.
    发明授权
    Method of formulating and using a drilling mud with fragile gels 有权
    配制和使用具有脆性凝胶的钻井泥浆的方法

    公开(公告)号:US06887832B2

    公开(公告)日:2005-05-03

    申请号:US10175272

    申请日:2002-06-19

    CPC分类号: C09K8/34 C09K8/32 C09K8/36

    摘要: A method for drilling, running casing in, and/or cementing a borehole in a subterranean formation without significant loss of drilling fluid is disclosed, as well as compositions for use in such method. The method employs a drilling fluid comprising a fragile gel or having fragile gel behavior and providing superior oil mud rheology and overall performance. The fluid is especially advantageous for use in deep water wells because the fluid exhibits minimal difference between downhole equivalent circulating density and surface density notwithstanding differences in drilling or penetration rates. When an ester and isomerized olefin blend is used for the base of the fluid, the fluid makes an environmentally acceptable and regulatory compliant invert emulsion drilling fluid. The fluid preferably contains no organophilic clays.

    摘要翻译: 公开了一种用于在地下地层中钻孔,运行壳体和/或固井钻孔而不显着损失钻井液的方法,以及用于这种方法的组合物。 该方法采用包含脆性凝胶或具有脆性凝胶行为的钻井液,并提供优异的油泥流变性和整体性能。 该流体特别有利于在深水井中使用,因为即使钻井或穿透速度不同,流体表现出井下当量循环密度和表面密度之间的最小差异。 当酯和异构化的烯烃共混物用于流体的基底时,流体使环境可接受和调节顺从的乳化液钻井液。 流体优选不含有亲力性粘土。