초록 ▼

Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke systems. The downhole flow control choke mechanis

Several downhole flow control devices are disclosed which are meterable and are also capable of shutting of a particular zone in a well. The several embodiments include a multiple valve body, a toroidal inflatable valve, and a series of related choke systems. The downhole flow control choke mechanisms each include a downhole electronics package to provide programming or decision making capacity as well as motor actuation systems. Each choke mechanism also includes a system whereby the device can be converted to manual operation and actuated by a conventional shifting tool.

대표청구항 ▼

1. A downhole choke mechanism comprising:a) a ported housing having at least one housing port, said housing having an inside diameter and an outside diameter; b) an inner sleeve slideable along the inside diameter of said ported housing; c) a choke sleeve slidable along the outside diameter of said

1. A downhole choke mechanism comprising:a) a ported housing having at least one housing port, said housing having an inside diameter and an outside diameter; b) an inner sleeve slideable along the inside diameter of said ported housing; c) a choke sleeve slidable along the outside diameter of said ported housing, said inner sleeve and said outer sleeve being fixed to one another; d) a drive system capable of variably moving said choke mechanism whereby flow of fluid through said at least one port is variably controlled.