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    • 4. 发明申请
    • CYCLIC STEAM STIMULATION METHOD WITH MULTIPLE FRACTURES
    • 循环蒸汽刺激方法与多个裂缝
    • WO2007141287A1
    • 2007-12-13
    • PCT/EP2007/055550
    • 2007-06-06
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.SHELL CANADA LIMITEDHANSEN, Kirk SamuelHSU, Chia-FuMOLLINGER, Alexander Michiel
    • HANSEN, Kirk SamuelHSU, Chia-FuMOLLINGER, Alexander Michiel
    • E21B43/24
    • E21B43/2405E21B43/24E21B43/26
    • A cyclic steam soak (CSS) stimulation method for producing heated hydrocarbons from a viscous hydrocarbon- containing formation comprises the steps of : a) drilling a well (1) having a substantially horizontal or inclined lower section (3) into the viscous hydrocarbon-containing formation (4) substantially along the trajectory of the minimum compressive horizontal stress Sh; b) cutting at selected intervals along the length of the lower well section (3 ) substantially disk-shaped cavities (5A-5D) into the viscous hydrocarbon-containing formation (4) by a rotating hydraulic jet cutting device (6); c) completing the well (1); d) injecting steam into the well (1) and disk-shaped cavities (5A-5D) at such an elevated pressure that the hydraulic pressure in at least one disk-shaped cavity 5A is above the formation fracturing pressure, thereby fracturing the formation (4) and permitting the steam to invade the formation surrounding the fracture and to heat hydrocarbons in the steam invaded zone; e) interrupting steam injection and producing heated hydrocarbons via the well (1); and f ) repeating steps (d) and (e) a number of times.
    • 用于从粘性含烃地层生产加热的烃的循环蒸汽浸泡(CSS)刺激方法包括以下步骤:a)将具有基本上水平或倾斜的下部(3)的井(1)钻入含粘性含烃层 基本沿着最小压缩水平应力Sh的轨迹形成(4); b)通过旋转的液压喷射切割装置(6)沿着下井部分(3)的长度以大致圆盘形的空腔(5A-5D)以一定间隔切割成粘性含烃地层(4); c)完井(1); d)在至少一个盘形空腔5A中的液压高于地层压裂压力的高压下将蒸汽注入井(1)和盘形空腔(5A-5D)中,从而压裂地层( 4)并允许蒸汽侵入断层周围的地层并加热蒸汽入侵区的碳氢化合物; e)中断蒸汽注入并通过井(1)产生加热的碳氢化合物; 和f)重复步骤(d)和(e)多次。
    • 9. 发明申请
    • SYSTEMS AND METHODS FOR PRODUCING OIL AND/OR GAS
    • 用于生产油和/或气的系统和方法
    • WO2007137153A3
    • 2008-01-17
    • PCT/US2007069225
    • 2007-05-18
    • SHELL OIL COSHELL INT RESEARCHHSU CHIA-FU
    • HSU CHIA-FU
    • E21B43/30E21B43/16
    • E21B43/16E21B43/30
    • A system for producing oil and/or gas from an underground formation comprising a first array of wells (202) dispersed above the formation; a second array of wells (204) dispersed above the formation; wherein the first array of wells comprises a mechanism to inject a miscible enhanced oil recovery formulation into the formation while the second array of wells comprises a mechanism to produce oil and/or gas from the formation (306) for a first time period; and wherein the second array of wells comprises a mechanism to inject a miscible enhanced oil recovery formulation into the formation (306) while the first array of wells comprises a mechanism to produce oil and/or gas from the formation (306) for a second time period.
    • 一种用于从地下地层生产油和/或气的系统,包括分散在地层上方的第一井阵列(202); 位于地层上方的第二阵列井(204); 其中所述第一阵列阵列包括将可混溶的增强油采收制剂注入所述地层中的机构,而所述第二阵列阵列包括从所述地层(306)产生第一时间段的油和/或气体的机构; 并且其中所述第二井阵列包括将可混溶的增强油采收制剂注入所述地层(306)的机构,同时所述第一井阵列包括从所述地层(306)产生油和/或气体的机构第二次 期。