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    • 5. 发明授权
    • Heat generation process for treating oilfield deposits
    • 处理油田沉积物的发热过程
    • US08691731B2
    • 2014-04-08
    • US12940691
    • 2010-11-05
    • David W. JenningsSamuel AsomaningMichael E. Newberry
    • David W. JenningsSamuel AsomaningMichael E. Newberry
    • E21B21/00B08B9/00
    • E21B37/06B08B7/0071C09K8/52
    • Generating heat within a combination solvent/acid system removes undesirable deposits from petroleum reservoir formations (especially the near well-bore region), oilfield equipment, and petroleum processing equipment. An exothermic reaction occurs between the solvent and the acid and the heat evolved helps remove organic solid deposits. The acids may include organic acid compounds, such as sulfonic acids, sulfuric acid and nitric acid. The solvents may include terpene- and terpene-derivative-containing solvents, including, but not necessarily limited to, limonene, pinene, dipentene, myrcene, turpentines and compounds having at least one double bond, such as methyl furan, dienes, styrene, vinyl acetate and the like. The exothermic reaction produces a great amount of heat, and together with using certain acids and solvents already known as effective to remove paraffin and asphaltene deposition, removing such deposits is improved.
    • 在组合溶剂/酸系统内产生热量可从石油储层地层(特别是近井眼区域),油田设备和石油加工设备中除去不需要的沉积物。 在溶剂和酸之间发生放热反应,放出的热量有助于去除有机固体沉积物。 酸可以包括有机酸化合物,例如磺酸,硫酸和硝酸。 溶剂可以包括萜烯和萜烯衍生物的溶剂,包括但不一定限于柠檬烯,蒎烯,二戊烯,月桂烯,松节油和具有至少一个双键的化合物,例如甲基呋喃,二烯,苯乙烯,乙烯基 乙酸酯等。 放热反应产生大量的热量,并且与使用已知有效除去石蜡和沥青质沉积物的某些酸和溶剂一起,改善了除去这些沉积物。
    • 6. 发明申请
    • Heat Generation Process for Treating Oilfield Deposits
    • 用于处理油田矿床的发热过程
    • US20110114323A1
    • 2011-05-19
    • US12940691
    • 2010-11-05
    • David W. JenningsSamuel AsomaningMichael E. Newberry
    • David W. JenningsSamuel AsomaningMichael E. Newberry
    • E21B37/06B08B9/027
    • E21B37/06B08B7/0071C09K8/52
    • Generating heat within a combination solvent/acid system removes undesirable deposits from petroleum reservoir formations (especially the near well-bore region), oilfield equipment, and petroleum processing equipment. An exothermic reaction occurs between the solvent and the acid and the heat evolved helps remove organic solid deposits. The acids may include organic acid compounds, such as sulfonic acids, sulfuric acid and nitric acid. The solvents may include terpene- and terpene-derivative-containing solvents, including, but not necessarily limited to, limonene, pinene, dipentene, myrcene, turpentines and compounds having at least one double bond, such as methyl furan, dienes, styrene, vinyl acetate and the like. The exothermic reaction produces a great amount of heat, and together with using certain acids and solvents already known as effective to remove paraffin and asphaltene deposition, removing such deposits is improved.
    • 在组合溶剂/酸系统内产生热量可从石油储层地层(特别是近井眼区域),油田设备和石油加工设备中除去不需要的沉积物。 在溶剂和酸之间发生放热反应,放出的热量有助于去除有机固体沉积物。 酸可以包括有机酸化合物,例如磺酸,硫酸和硝酸。 溶剂可以包括萜烯和萜烯衍生物的溶剂,包括但不一定限于柠檬烯,蒎烯,二戊烯,月桂烯,松节油和具有至少一个双键的化合物,例如甲基呋喃,二烯,苯乙烯,乙烯基 乙酸酯等。 放热反应产生大量的热量,并且与使用已知有效除去石蜡和沥青质沉积物的某些酸和溶剂一起改善了这些沉积物的去除。
    • 10. 发明申请
    • Asphaltene Inhibitors for Squeeze Applications
    • 沥青抑制剂挤压应用
    • US20130186629A1
    • 2013-07-25
    • US13746441
    • 2013-01-22
    • Geoffrey C. LeonardGordon T. RiversSamuel AsomaningPatrick J. Breen
    • Geoffrey C. LeonardGordon T. RiversSamuel AsomaningPatrick J. Breen
    • C09K8/524E21B43/25
    • C09K8/524C08G8/28E21B37/06E21B43/25
    • Reaction products of polymeric alkyl phenol formaldehyde resins are useful as additives to inhibit or prevent the deposition or precipitation of asphaltenes in hydrocarbon fluids, particularly crude oil produced from a subterranean formation. These reaction products are formed by reacting a polymeric alkyl phenol formaldehyde resin with a co-reactant having functional groups including, but not necessarily limited to, amines, esters, silanes, ketones, epoxides, alkoxides, aryloxides, halogens, alkali metals, alkali earth metals, acetamides, non-metal oxides, metal oxides, where the co-reactant optionally has a carbon chain length between 1 and 22 and the reaction is conducted in the presence of at least one of various solvents. In one non-limiting embodiment, the co-reactant is a silicon derivative. The asphaltene inhibitors have utility when injected into a subterranean formation while oil production temporarily halts, a process called “squeezing,” because they are retained to a degree in the formation as the crude oil is produced.
    • 聚合烷基酚甲醛树脂的反应产物可用作抑制或防止沥青质沉积或沉淀在烃类流体中,特别是从地下地层产生的原油中的添加剂。 这些反应产物通过聚合烷基酚甲醛树脂与具有官能团的共反应物反应形成,所述共反应物包括但不限于胺,酯,硅烷,酮,环氧化物,醇盐,芳氧化物,卤素,碱金属,碱土 金属,乙酰胺,非金属氧化物,金属氧化物,其中共反应物任选具有1至22的碳链长度,并且反应在至少一种各种溶剂的存在下进行。 在一个非限制性实施方案中,共反应物是硅衍生物。 沥青质抑制剂在注入地下地层时具有实用性,而油生产暂时停止,这一过程称为“挤压”,因为它们在原油生产时被保留在地层中。