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    • 2. 发明申请
    • Use of Polyimides in Treating Subterranean Formations
    • 在处理地下地层中使用聚酰亚胺
    • US20090151944A1
    • 2009-06-18
    • US11956928
    • 2007-12-14
    • Michael J. FullerJohn W. Still
    • Michael J. FullerJohn W. Still
    • E21B43/267
    • C09K8/74C09K8/536C09K8/68C09K8/80C09K8/805
    • A method of treating a subterranean formation penetrated by a wellbore is carried out by forming a treatment fluid comprising an aqueous carrier fluid and a solid-form polyimide homopolymer or copolymer capable of hydrolyzing to form polycarboxylates and/or polycarboxylic acids. The treatment fluid is introduced into the formation through the wellbore. In another method, a treatment fluid comprising an aqueous carrier fluid, a solid-form polysuccinimide homopolymer or copolymer and at least one of a viscosifying agent, proppant and an acid capable of dissolving materials of the formation is formed. This is introduced into the formation through the wellbore. A method of treating a sandstone-containing formation penetrated by a wellbore may also be carried out by forming a treatment fluid comprising an aqueous solution containing a hydrogen fluoride source, ammonium hydroxide and at least one of a polyimide and a polycarboxylate, which is introduced into the formation through the wellbore.
    • 通过形成包含水性载体流体和能够水解形成多羧酸盐和/或多元羧酸的固体形式的聚酰亚胺均聚物或共聚物的处理流体来进行处理由井筒穿透的地层的方法。 处理液通过井筒被引入地层。 在另一种方法中,形成包含水性载体流体,固体形式聚琥珀酰亚胺均聚物或共聚物以及能够溶解地层材料的增粘剂,支撑剂和酸中的至少一种的处理流体。 这通过井筒引入地层。 通过形成包含含有氟化氢源,氢氧化铵和聚酰亚胺和多羧酸盐中的至少一种的水溶液的处理流体,也可以进行处理由井眼渗透的含砂岩地层的方法,该处理流体被引入 通过井眼形成。
    • 4. 发明授权
    • Use of polyimides in treating subterranean formations
    • 使用聚酰亚胺处理地下地层
    • US07841411B2
    • 2010-11-30
    • US11956928
    • 2007-12-14
    • Michael J. FullerJohn W. Still
    • Michael J. FullerJohn W. Still
    • E21B43/22E21B43/267
    • C09K8/74C09K8/536C09K8/68C09K8/80C09K8/805
    • A method of treating a subterranean formation penetrated by a wellbore is carried out by forming a treatment fluid comprising an aqueous carrier fluid and a solid-form polyimide homopolymer or copolymer capable of hydrolyzing to form polycarboxylates and/or polycarboxylic acids. The treatment fluid is introduced into the formation through the wellbore. In another method, a treatment fluid comprising an aqueous carrier fluid, a solid-form polysuccinimide homopolymer or copolymer and at least one of a viscosifying agent, proppant and an acid capable of dissolving materials of the formation is formed. This is introduced into the formation through the wellbore. A method of treating a sandstone-containing formation penetrated by a wellbore may also be carried out by forming a treatment fluid comprising an aqueous solution containing a hydrogen fluoride source, ammonium hydroxide and at least one of a polyimide and a polycarboxylate, which is introduced into the formation through the wellbore.
    • 通过形成包含水性载体流体和能够水解形成多羧酸盐和/或多元羧酸的固体形式的聚酰亚胺均聚物或共聚物的处理流体来进行处理由井筒穿透的地层的方法。 处理液通过井筒被引入地层。 在另一种方法中,形成包含水性载体流体,固体形式聚琥珀酰亚胺均聚物或共聚物以及能够溶解地层材料的增粘剂,支撑剂和酸中的至少一种的处理流体。 这通过井筒引入地层。 通过形成包含含有氟化氢源,氢氧化铵和聚酰亚胺和多羧酸盐中的至少一种的水溶液的处理流体,也可以进行处理由井眼渗透的含砂岩地层的方法,该处理流体被引入 通过井眼形成。
    • 9. 发明授权
    • Method for treating a subterranean formation
    • 处理地层的方法
    • US07753123B2
    • 2010-07-13
    • US11567604
    • 2006-12-06
    • Michael J. Fuller
    • Michael J. Fuller
    • E21B43/22E21B43/27
    • C09K8/72C09K8/52C09K8/74
    • Acidizing methods for subterranean formations formed of predominantly siliceous material as well as acidizing compositions. Some methods include injecting into a predominantly siliceous subterranean formation, an aqueous acidic mixture formed by blending an aqueous liquid, a fluoride source, and an effective amount of an alkane sulfonic acid, preferably methane sulfonic acid, to adjust the pH of the fluid where the alkane sulfonic acid where the alkane group may be an unbranched, a branched or a cyclic alkyl residue. Hydrofluoric acid (HF) may not be added to the fluid in some embodiments as the fluoride source, such as the case for an HF free fluid, and, in some instances, hydrochloric acid is not added to the fluid to adjust pH. Also described are compositions containing an aqueous acidic mixture formed by blending an aqueous liquid, a fluoride source, and an effective amount of an alkane sulfonic acid to adjust pH.
    • 主要由硅质材料以及酸化组合物形成的地下地层的酸化方法。 一些方法包括将主要为硅质的地下地层注入通过混合水性液体,氟化物源和有效量的烷烃磺酸(优选甲烷磺酸)形成的酸性水性混合物,以调节流体的pH值,其中 烷烃磺酸,其中烷基可以是非支链的,支链的或环状的烷基残基。 在一些实施方案中,氟化氢(HF)可以不添加到流体中作为氟化物源,例如无HF流体的情况,并且在一些情况下,不向流体中加入盐酸以调节pH。 还描述了含有通过混合水性液体,氟化物源和有效量的烷烃磺酸来调节pH而形成的含水酸性混合物的组合物。