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    • 1. 发明授权
    • Monovalent cation-containing well fluids
    • 含单价阳离子的井液
    • US07387985B2
    • 2008-06-17
    • US10813314
    • 2004-03-30
    • David P. KippieMorris Arvie, Jr.
    • David P. KippieMorris Arvie, Jr.
    • E21B43/00
    • C09K8/08C09K2208/18Y10S507/903
    • A monovalent cation containing well fluid composed of an aqueous brine containing at least 0.6 equivalents per liter of a water soluble monovalent cation salt, is substantially free of divalent cations, and an amount of a starch derivative selected such that the well fluid has the following characteristics: (a) a low shear rate viscosity greater than about 5,000 centipoise; (b) a high shear rate viscosity at 511 sec−1 in the range from about 15 to about 70 centipoise measured at 120° F. is described. The fluid may be formulated to be substantially free of xanthan gums and preferably has less than 0.25 lb/bbl of xanthan gum.
    • 由含有至少0.6当量/升水溶性一价阳离子盐的含水盐水组成的含有良好流体的单价阳离子基本上不含二价阳离子,并且选择一定量的淀粉衍生物使得该阱流体具有以下特征 :(a)低于约5,000厘泊的低剪切速率粘度; (b)描述了在120°F下测量的在约15至约70厘泊范围内的511秒-1的高剪切速率粘度。 流体可以配制成基本上不含黄原胶,优选具有小于0.25lb / bbl的黄原胶。
    • 2. 发明申请
    • BREAKER FLUIDS FOR WELLBORE FLUIDS AND METHODS OF USE
    • 用于井筒流体的断路器流体和使用方法
    • US20150021098A1
    • 2015-01-22
    • US14509567
    • 2014-10-08
    • David P. Kippie
    • David P. Kippie
    • C09K8/20E21B21/00
    • Compositions for controlling fluid loss may include an aqueous fluid, a viscosifier, a water soluble polar organic solvent, a delayed acid source, and a weighting agent. The composition may further comprise at least one selected from bridging solids, cleaning agent, dispersant, interfacial tension reducer, pH buffer, thinner, or surfactant. Such compositions may be used in producing a hydrocarbon from a formation by drilling the formation with a drill-in fluid to form a wellbore, emplacing the composition in the wellbore, and shutting the well for a predetermined time to allow the viscosity of the fluid loss composition to decrease.
    • 用于控制流体损失的组合物可包括水性流体,增粘剂,水溶性极性有机溶剂,延迟酸源和加重剂。 组合物还可以包含选自桥连固体,清洁剂,分散剂,界面张力降低剂,pH缓冲液,稀释剂或表面活性剂中的至少一种。 这样的组合物可以用于通过用钻入流体钻井地层来形成来自地层的烃,以形成井眼,将组合物置于井眼中,并将井闭合预定时间以允许流体损失的粘度 组合减少。
    • 4. 发明授权
    • High density thermally stable well fluids
    • 高密度热稳定井液
    • US06746992B2
    • 2004-06-08
    • US10010188
    • 2001-12-06
    • David P. KippieRobert L. HortonWilliam E. Foxenberg
    • David P. KippieRobert L. HortonWilliam E. Foxenberg
    • C09K702
    • C09K8/06C09K8/12C09K8/22
    • High density, thermally stable, brine-based well fluids and methods of using the same are disclosed. In one embodiment a well fluid including water and a salt, the salt including at least one formate salt, wherein the weight-to-volume ratio of the well fluid is within the range of at least 120% to about 400% is disclosed. In another embodiment, a well fluid including water, a viscosifying agent, and a salt, the salt including at least one formate salt, wherein the weight-to-volume ratio of the well fluid is within the range of at least 120% to about 400% is disclosed. A method of treating a well using a well fluid, wherein the well fluid includes water and a salt, the salt including at least one formate salt, wherein the weight-to-volume ratio of the well fluid is within the range of at least 120% to about 400% is also disclosed.
    • 公开了高密度,热稳定的基于盐水的井流体及其使用方法。 在一个实施方案中,包括水和盐的良好流体,所述盐包括至少一种甲酸盐,其中所述井流体的重量/体积比在至少120%至约400%的范围内。 在另一个实施方案中,包含水,粘稠剂和盐的井液包含至少一种甲酸盐,其中井液的体积与体积之比在至少120%至约 400%被披露。 一种使用井液处理井的方法,其中井流体包括水和盐,所述盐包括至少一种甲酸盐,其中井流体的重量体积比在至少120的范围内 %至约400%也被披露。