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A method of forming and servicing wellbores from a main wellbore

机译:一种从主井眼形成和维修井眼的方法

摘要

The present invention provides methods for forming multiple wellbores from a single location. A large diameter main wellbore (10) is drilled to a known depth. A plurality of spaced apart wellbores (20a-20n) are formed from the bottom of the main wellbore, wherein at least one such wellbore is a production wellbore for producing hydrocarbons from subsurface formations. Wellhead equipment (22a-22n) for each production wellbore is installed at main wellbore bottom. Additional equipment (30, 80) like fluid processing apparatus, chemical injection equipment, compressors, robotics devices (80), a control unit near the main wellbore bottom. A secondary access wellbore may be formed from the main wellbore or the surface for storing apparatus that is used to monitor and/or control the operation of devices in the production wellbores during the various stages in the life of such wellbores.
机译:本发明提供了用于从单个位置形成多个井眼的方法。大直径的主井眼(10)钻至已知深度。从主井眼的底部形成多个间隔开的井眼(20a-20n),其中至少一个这样的井眼是用于从地下地层生产烃的生产井眼。每个生产井眼的井口设备(22a-22n)安装在主井眼底部。附加设备(30、80),例如流体处理设备,化学注入设备,压缩机,机器人设备(80),主井眼底部附近的控制单元。辅助进入井眼可以由主井眼或用于存储设备的表面形成,该设备用于在这样的井眼寿命的各个阶段期间监视和/或控制生产井眼中的装置的操作。

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