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    • 1. 发明授权
    • Apparatus and method for downhole well equipment and process management, identification, and actuation
    • 井下设备和过程管理,识别和启动的设备和方法
    • US06989764B2
    • 2006-01-24
    • US09812141
    • 2001-03-19
    • Hubertus V. ThomeerSarmad AdnanRandolph J. SheffieldMichael H. KenisonKevin J. Forbes
    • Hubertus V. ThomeerSarmad AdnanRandolph J. SheffieldMichael H. KenisonKevin J. Forbes
    • G01V3/00
    • E21B23/00E21B23/02E21B31/00E21B34/06E21B41/00E21B41/0035E21B43/119E21B47/00E21B47/024E21B47/04E21B47/09E21B47/12E21B47/124E21B2023/008G01S13/74G01V15/00
    • A method for actuating or installing downhole equipment in a wellbore employs non-acoustic signals (e.g., radio frequency signals) to locate, inventory, install, or actuate one downhole structure in relation to another downhole structure. The method comprises the steps of: (a) providing a first downhole structure that comprises a non-acoustic (e.g., radio frequency) identification transmitter unit that stores an identification code and transmits a signal corresponding to the identification code; (b) providing a second downhole structure that comprises a non-acoustic receiver unit that can receive the signal transmitted by the non-acoustic identification transmitter unit, decode the signal to determine the identification code corresponding thereto, and compare the identification code to a preset target identification code; wherein one of the first downhole structure and the second downhole structure is secured at a given location in a subterranean wellbore, and the other is moveable in the wellbore; (c) placing the second downhole structure in close enough proximity to the first downhole structure so that the non-acoustic receiver unit can receive the signal transmitted by the non-acoustic identification transmitter unit; (d) comparing the identification code determined by the non-acoustic receiver unit to the target identification code; and (e) if the determined identification code matches the target identification code, actuating or installing one of the first downhole structure or second downhole structure in physical proximity to the other.
    • 用于在井筒中致动或安装井下设备的方法使用非声学信号(例如,射频信号)来相对于另一井下结构定位,存储,安装或致动一个井下结构。 该方法包括以下步骤:(a)提供第一井下结构,其包括非声学(例如,射频)识别发射器单元,其存储识别码并发送对应于识别码的信号; (b)提供第二井下结构,其包括可以接收由非声学识别发射器单元发送的信号的非声学接收器单元,对该信号进行解码以确定与其对应的识别码,并将该识别码与预设 目标识别码; 其中所述第一井下结构和所述第二井下结构中的一个固定在地下井眼中的给定位置,并且另一个可在所述井筒中移动; (c)将第二井下结构放置在足够靠近第一井下结构的位置,使得非声学接收器单元可以接收由非声学识别发射器单元发送的信号; (d)将由非声音接收机单元确定的识别码与目标识别码进行比较; 和(e)如果所确定的识别代码与目标识别码匹配,则致动或安装物理上接近另一个的第一井下结构或第二井下结构中的一个。
    • 5. 发明申请
    • STEAM INJECTION APPARATUS FOR STEAM ASSISTED GRAVITY DRAINAGE TECHNIQUES
    • 蒸汽辅助排水技术的蒸汽喷射装置
    • US20080251255A1
    • 2008-10-16
    • US11778233
    • 2007-07-16
    • Kevin J. ForbesNihat Ovutmen
    • Kevin J. ForbesNihat Ovutmen
    • E21B43/16B05B1/14
    • E21B43/2406
    • Steam injection pipe string apparatus is disclosed comprising an elongated tubular structure with first and second ends, and a plurality of orifices formed in the elongated tubular structure. The sizes of the orifices vary from one end of the elongated tubular structure to the other, and, in one embodiment, the sizes of the orifices increase from one end of the elongated tubular structure to the other. The elongated tubular structure may comprise a plurality of blank pipes in threaded engagement with one another or a plurality of subs with different sized orifices in the subs. The orifices may be formed in the elongated tubular structure using milling techniques or by inserting a nozzle in a threaded aperture formed in the structure. A system utilizing the steam injection pipe string apparatus is especially suitable for use in a steam assisted gravity drainage system.
    • 公开了一种蒸汽喷射管柱装置,其包括具有第一和第二端部的细长管状结构以及形成在细长管状结构中的多个孔。 孔的尺寸从细长管状结构的一端到另一端不同,并且在一个实施例中,孔的尺寸从细长管状结构的一端增加到另一端。 细长的管状结构可以包括多个空管,其彼此螺纹接合或多个具有不同尺寸孔的接头。 孔可以使用研磨技术形成在细长管状结构中,或者通过将喷嘴插入形成在结构中的螺纹孔中。 使用蒸汽喷射管柱装置的系统特别适用于蒸汽辅助重力排水系统。