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公开(公告)号:US06613720B1
公开(公告)日:2003-09-02
申请号:US09688319
申请日:2000-10-13
申请人: Jean Pierre Feraud , Michael D. Parris , Richard D. Hutchins , Stanley Bruce McConnell , Erik B. Nelson , Keith Dismuke
发明人: Jean Pierre Feraud , Michael D. Parris , Richard D. Hutchins , Stanley Bruce McConnell , Erik B. Nelson , Keith Dismuke
IPC分类号: C09K700
CPC分类号: E21B43/16 , C09K8/62 , C09K8/685 , C09K8/74 , C09K2208/24 , C09K2208/30 , C09K2208/32 , E21B43/25 , E21B43/26 , Y10S507/902 , Y10S507/922 , Y10S507/925 , Y10S507/933 , Y10S507/939
摘要: The effect of various chemical or biological agents in well treatment fluids can be delayed by sequestering the agents in the discontinuous phase of an emulsion for a period of time, before the emulsion is destabilized by exposure to at least one of: (1) a change in temperature, (2) a change in pH, (3) a change in salinity, (4) a change in alcohol concentration, (5) a change in stabilizing surfactant concentration, (6) a change in organic ion concentration, (7) a change in destabilizing surfactant concentration, (8) a change in surfactant adsorbent material concentration, (9) an ultrasonic pulse, and (10) an electrical field. Upon exposure to the emulsion destabilizing condition, the agent sequestered in the discontinuous phase of the emulsion is released into the continuous phase of the fluid composition, where it can have its intended effect.
摘要翻译: 在乳液通过暴露于以下至少一种不稳定之前,通过将乳剂的不连续相中的试剂隔离一段时间可以延迟各种化学或生物试剂在井处理液中的作用:(1)变化 (2)pH变化,(3)盐度变化,(4)酒精浓度变化,(5)稳定表面活性剂浓度的变化,(6)有机离子浓度的变化,(7) )表面活性剂浓度不稳定的变化,(8)表面活性剂吸附剂材料浓度的变化,(9)超声波脉冲和(10)电场。 在暴露于乳化不稳定条件下,螯合在乳液的不连续相中的试剂被释放到流体组合物的连续相中,其可以具有其预期的效果。
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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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