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    • 1. 发明申请
    • PROCESS FOR ENHANCED OIL RECOVERY USING A MICROBIAL CONSORTIUM
    • 使用微生物浓度增加油回收的方法
    • US20090029879A1
    • 2009-01-29
    • US12166705
    • 2008-07-02
    • Bhupendra SONIBanwari LALJohn Allen BABCOCK
    • Bhupendra SONIBanwari LALJohn Allen BABCOCK
    • C09K8/60E21B43/00C12M1/00C12N1/20
    • E21B43/16C09K8/582
    • A process and related apparatus for enhancing the oil recovery from an oil well are described. An embodiment of the process generally includes selection of a candidate reservoir; collecting oil formation water samples under anaerobic conditions; selecting media and enriching the microbes derived from the formation water; characterizing and identifying the selected consortium; mass scale production of the selected consortium; anaerobically preparing a defined composition nutrient medium, transportation of the nutrient medium by ISO tankers and the consortium by a specially designed field laboratory unit to the selected well treatment site; injecting the medium and consortium into the reservoir of the well; closing the well for the proliferation of microbes for one to three weeks; and allowing the microbes to dislodge oil in the reservoir and thereby enhance recovery of oil from the well.
    • 描述了一种用于从油井中提高油回收率的方法和相关装置。 该方法的实施方案通常包括候选储存器的选择; 在厌氧条件下收集成油水样; 选择培养基并富集来自地层水的微生物; 表征和识别选定的财团; 大规模生产选定的财团; 厌氧地制备定义的组成营养培养基,通过ISO油罐将营养培养基运输到特定设计的田间实验室,并通过选定的井处理场; 将介质和财团注入井的水库; 关闭微生物扩散一至三周; 并允许微生物将储存器中的油排出,从而提高油从井中的回收。
    • 2. 发明授权
    • Wellbore treatment for reducing wax deposits
    • 井筒处理减少蜡沉积物
    • US07681638B2
    • 2010-03-23
    • US12137684
    • 2008-06-12
    • Bhupendra SoniBanwari Lal
    • Bhupendra SoniBanwari Lal
    • E21B43/22
    • E21B37/06C09K8/524
    • A method of reducing wax deposition in an oil wellbore tubing includes providing an aqueous bioslurry comprising at least one microbe capable of degrading paraffin wax at about 20-45° C. and a nutrient medium containing one or more carbon source and an oxygen slow-releasing compound. The method further includes providing an oil wellbore completion having a production tubing with an interior surface including a zone that is susceptible to wax deposition when the well is operated to produce oil. The method further includes, while oil production from the well is stopped, incubating the biological slurry in the wax-deposition zone tubing for a sufficient time to multiply the microbe(s) and form a biofilm on at least the wax-susceptible zone.
    • 降低油井筒管中蜡沉积的方法包括提供含水生物乳液,其包含至少一种能够降解约20-45℃的石蜡的微生物和含有一种或多种碳源和缓释氧的营养培养基 复合。 该方法还包括提供一种具有生产管道的油井筒完井,其具有内表面,该内表面包括当井被操作以产生油时易于蜡沉积的区域。 该方法还包括,当从井中产生石油停止时,将生物淤浆在蜡沉积区管中温育足够的时间以使微生物倍增,并在至少蜡敏感区上形成生物膜。
    • 3. 发明申请
    • WELLBORE TREATMENT FOR REDUCING WAX DEPOSITS
    • 用于减少瓦斯沉积物的井筒处理
    • US20090025931A1
    • 2009-01-29
    • US12137684
    • 2008-06-12
    • Bhupendra SoniBanwari Lal
    • Bhupendra SoniBanwari Lal
    • E21B43/22
    • E21B37/06C09K8/524
    • A method of reducing wax deposition in an oil wellbore tubing are disclosed which comprise providing an aqueous bioslurry comprising at least one microbe capable of degrading paraffin wax at about 20-45° C. and a nutrient medium containing one or more carbon source and a source of O2. The method further includes providing an oil wellbore completion having a production tubing with an interior surface including a zone that is susceptible to wax deposition when the well is operated to produce oil. The method further includes, while oil production from the well is stopped, incubating the biological slurry in the wax-deposition zone tubing for a sufficient time to multiply the microbe(s) and form a biofilm on at least the wax-susceptible zone
    • 公开了一种在油井筒管中减少蜡沉积的方法,其包括提供水性生物乳液,其包含至少一种能够在约20-45℃下降解石蜡的微生物和含有一种或多种碳源和源的营养培养基 的O2。 该方法还包括提供一种具有生产管道的油井筒完井,其具有内表面,该内表面包括当井被操作以产生油时易于蜡沉积的区域。 该方法还包括,当从井中产生油停止时,将生物淤浆在蜡沉积区管中孵育足够的时间以使微生物繁殖并在至少蜡敏感区上形成生物膜