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    • 4. 发明授权
    • Wireline retrievable dsg/downhole pump system for cyclic steam and continuous steam flooding operations in petroleum reservoirs
    • 有线回收dsg /井下泵系统,用于石油储层中的循环蒸汽和连续蒸汽驱动操作
    • US08079417B2
    • 2011-12-20
    • US12190709
    • 2008-08-13
    • Dennis C. WegenerRiley B. NeedhamDavid R. ZornesPartha S. Sarathi
    • Dennis C. WegenerRiley B. NeedhamDavid R. ZornesPartha S. Sarathi
    • E21B43/24
    • E21B43/24E21B23/01E21B43/121
    • A non-rigid carrier conveys a pump and/or the steam generator through a bore of the production tubing string to support enhanced oil recovery operations. An annular space separates the production tubing string and a wall of a wellbore intersecting a hydrocarbon-bearing subterranean formation. Using the non-rigid carrier, the steam generator is conveyed into the wellbore and operated to inject hot gases into the formation through the perforations in the casing. Afterwards, the steam generator is conveyed out of the cased wellbore and the pump is conveyed into the cased wellbore and operated to pump hydrocarbons to the surface. For cyclic injection operations, the pump may be retrieved to the surface and the steam generator may be returned into the well. The production tubing string, such as a production tubing, remains in the well while the pump and/or the steam generator are conveyed up and down the cased well. A base installed in the cased well receives either the pump or the steam generator.
    • 非刚性载体通过生产油管柱的孔传送泵和/或蒸汽发生器以支持增强的油回收操作。 环形空间将生产油管柱和与含烃地层相交的井眼的壁分开。 使用非刚性载体,蒸汽发生器被输送到井眼中并操作以通过壳体中的穿孔将热气体注入到地层中。 之后,将蒸汽发生器从套管井筒中输送出来,并将泵输送到套管井筒中,并将烃泵送到表面。 对于循环喷射操作,可以将泵取回到表面,并且蒸汽发生器可以返回到井中。 诸如生产管道的生产油管柱保留在井中,同时泵和/或蒸汽发生器在套管井上上下传送。 安装在套管井中的基座接收泵或蒸汽发生器。
    • 6. 发明授权
    • In situ combustion with multiple staged producers
    • 多阶段生产者的原位燃烧
    • US08353340B2
    • 2013-01-15
    • US12838069
    • 2010-07-16
    • Partha S. SarathiWayne Reid Dreher, Jr.Riley Bryan NeedhamAbhishek Dutta
    • Partha S. SarathiWayne Reid Dreher, Jr.Riley Bryan NeedhamAbhishek Dutta
    • E21B43/243E21B43/30
    • E21B43/243E21B43/305
    • Methods and apparatus relate to in situ combustion. Configurations of the injection and production wells facilitate the in situ combustion. Utilizing wet combustion for some embodiments promotes heat displacement for hydrocarbon recovery with procedures in which one or more of the production and injection wells are configured with lengths deviated from vertical. In some embodiments for either dry or wet combustion, at least the production wells define intake lengths deviated from vertical and that are disposed at staged levels within a formation. Each of the productions wells during the in situ combustion allow for recovery of hydrocarbons through gravity drainage. Vertical separation between the intake lengths of the production wells enables differentiated and efficient removal of combustion gasses and the hydrocarbons.
    • 方法和装置与原位燃烧有关。 注射和生产井的结构有助于原位燃烧。 利用一些实施例的湿式燃烧可以促进碳氢化合物回收的热排放,其中一个或多个生产井和注入井被构造成具有从垂直方向偏离的长度。 在干燥或湿式燃烧的一些实施方案中,至少生产井限定了从垂直方向偏离的入口长度,并将其设置在地层内的阶段水平。 在原位燃烧期间的每个生产孔允许通过重力排水回收碳氢化合物。 生产井的进气长度之间的垂直分离能够有效地去除燃烧气体和烃。
    • 10. 发明申请
    • WIRELINE RETRIEVABLE DSG/DOWNHOLE PUMP SYSTEM FOR CYCLIC STEAM AND CONTINUOUS STEAM FLOODING OPERATIONS IN PETROLEUM RESERVOIRS
    • 用于循环蒸汽的DSG /排水泵系统和石油储存中的连续蒸汽运行
    • US20080302523A1
    • 2008-12-11
    • US12190709
    • 2008-08-13
    • Dennis C. WegenerRiley B. NeedhamDavid R. ZornesPartha S. Sarathi
    • Dennis C. WegenerRiley B. NeedhamDavid R. ZornesPartha S. Sarathi
    • E21B43/00E21B43/24
    • E21B43/24E21B23/01E21B43/121
    • A non-rigid carrier conveys a pump and/or the steam generator through a bore of the production tubing string to support enhanced oil recovery operations. An annular space separates the production tubing string and a wall of a wellbore intersecting a hydrocarbon-bearing subterranean formation. Using the non-rigid carrier, the steam generator is conveyed into the wellbore and operated to inject hot gases into the formation through the perforations in the casing. Afterwards, the steam generator is conveyed out of the cased wellbore and the pump is conveyed into the cased wellbore and operated to pump hydrocarbons to the surface. For cyclic injection operations, the pump may be retrieved to the surface and the steam generator may be returned into the well. The production tubing string, such as a production tubing, remains in the well while the pump and/or the steam generator are conveyed up and down the cased well. A base installed in the cased well receives either the pump or the steam generator.
    • 非刚性载体通过生产油管柱的孔传送泵和/或蒸汽发生器以支持增强的油回收操作。 环形空间将生产油管柱和与含烃地层相交的井眼的壁分开。 使用非刚性载体,蒸汽发生器被输送到井眼中并操作以通过壳体中的穿孔将热气体注入到地层中。 之后,将蒸汽发生器从套管井筒中输送出来,并将泵输送到套管井筒中,并将烃泵送到表面。 对于循环喷射操作,可以将泵取回到表面,并且蒸汽发生器可以返回到井中。 诸如生产管道的生产油管柱保留在井中,同时泵和/或蒸汽发生器在套管井上上下传送。 安装在套管井中的基座接收泵或蒸汽发生器。