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Well management system
| Details |
Inventors: Vidrine, William L.; Feechan, Michael;
Assignee: Halliburton Energy Services, Inc. (Houston, TX)
Primary Examiner: Neuder; William
Assistant Examiner:
Attorney, Agent or Firm: Conley, Rose & Tayon, P.C.
A system and method for managing a new well or an existing well. The system includes a sensor and a control disposed within a well, a surface control system at the surface, a continuous tubing string extending into the well, and a conductor disposed on the continuous tubing string. The conductor connects the sensor and control to the surface control system to allow the surface control system to monitor downhole conditions and to operate the control in response to the downhole conditions. Another conductor may also be provided along the continuous tubing string to conduct power from a surface power supply to the control. The conductors are preferably housed in the wall of the continuous tubing string and may be electrical conductors, optical fibers, and/or hydraulic conduits. The control is preferably equipped with a sensor that verifies operation and status of the device and provides the verification to the surface processor via the conductor. Contemplated controls include valves, sliding sleeves, chokes, filters, packers, plugs, and pumps. The system can be installed through the production tubing of an existing well. |
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DETAILED DESCRIPTION Accordingly, there is disclosed herein a system and method for managing a new well or recompleting an existing well.
In one embodiment, the well management system includes a sensor and a control disposed within a well, a surface control system which includes a data acquisition system, a data processing system and a controls activation system at the surface, a continuous tubing string extending into the well, and a conductor disposed on the continuous tubing string.
The conductor connects the sensors and controls to the surface system to allow monitoring of the sensors and to operate the controls in response to the downhole conditions.
The data processing system may be programmed to analyze the data and automatically activate the controls activation system to change settings of the controls downhole.
Another conductor may also be provided along the continuous tubing string to conduct power from a surface power supply to the sensors and controls.
The conductors may be electrical conductors, optical fibers, and/or hydraulic conduits.
The controls are preferably equipped with a sensor or other means of detecting and verifying the position, status or operation of the control and communicate verification to the surface control system via the conductor.
Contemplated controls include valves, sliding sleeves, chokes, filters, packers, plugs, and pumps.
The present invention further contemplates a method for controlling production in a well.
The method includes: (i) accessing well information by the data acquisition system from a sensor disposed downhole via a conductor disposed on a continuous tubing string extending into the well; (ii) processing the well information by the data processing system at the surface to determine a preferred setting for a control disposed downhole in the well; and (iii) transmitting signals by the controls activation system to one or more of the controls via an energy conductor on the continuous tubing string.
The controls may operate in response to the control signals and transmit a verification signal indicative of the success of the operation
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