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1.发明授权
公开(公告)号：US3461041A
公开(公告)日：1969-08-12
申请号：US3461041D
申请日：1967-05-29
申请人： TRAVIS C SNYDER
发明人： SNYDER TRAVIS C
CPC分类号： C02F1/043 , B01D1/0082 , B01D1/10 , B01D1/2887 , Y10S203/18
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公开(公告)号：US6060436A
公开(公告)日：2000-05-09
申请号：US692756
申请日：1996-08-06
CPC分类号： C09K8/685 , C08B37/0096 , C08K5/55 , Y10S507/922 , Y10S507/924
摘要： The crosslinking of galactomannan gum fracturing fluids by borate ion is delayed for high temperature applications by completing boron in a basic solution with an organic polyol. Low pumping friction pressures are achieved by the delay in the crosslinking with the boron being available at high temperatures to add high temperature stability to the fracturing fluid at temperatures ranging upto about 300.degree. F.
摘要翻译： 通过在碱性溶液中用有机多元醇完成硼，通过硼酸根离子交联半乳甘露聚糖胶体压裂液延迟高温应用。 通过在高温下可用的硼的交联延迟来实现低泵送摩擦压力，以在高达约300°F的温度下向压裂液添加高温稳定性。
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3.发明授权
公开(公告)号：US3960736A
公开(公告)日：1976-06-01
申请号：US475702
申请日：1974-06-03
申请人： Dustin L. Free , Karl L. Krumel , Travis C. Snyder
发明人： Dustin L. Free , Karl L. Krumel , Travis C. Snyder
CPC分类号： C09K8/62 , E21B43/26 , Y10S507/921 , Y10S507/922
摘要： Viscous aqueous solutions are prepared which maintain a certain viscosity range over a predetermined period of time (i.e., induction period) and which thereafter break, i.e., decrease in viscosity over a very short period of time. The viscous aqueous solution comprises a polysaccharide having an ability to thicken water and dispersed or dissolved in the aqueous solution an effective quantity of an organic ester which, at a temperature at which it is desired to break the viscous solution, hydrolyzes over a delayed period of time to form an acid which degrades the polysaccharide, thus causing a splitting of the polysaccharide chain and a decrease in the viscosity of the solution.
摘要翻译： 制备粘性水溶液，其在预定时间段（即诱导期）内保持一定的粘度范围，其后破裂，即在非常短的时间内降低粘度。 粘性水溶液包含具有增稠水分散或溶解在水溶液中的能力的多糖，有效量的有机酯，其在期望破坏粘稠溶液的温度下，在延迟的时间内水解 形成降解多糖的酸的时间，从而导致多糖链的分裂和溶液的粘度降低。
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