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US 2012/0067567 A1Published application
Downhole completion system with retrievable power unit
AssigneeSchlumberger Technology Corporation
InventorsGary L. Rytlewski, Ozgur Pulat
Life of this patent
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Abstract
A technique facilitates providing a downhole completion with electrical power. The technique may comprise placing an independent completion in a wellbore section. The independent completion is provided with a removable power unit having a power generator coupled to a power storage device. The technique further comprises communicating data or other signals between the independent completion located in the wellbore section and a second completion located in a separate wellbore section.
Claims20
A system for use in a well, comprising:
- a well completion deployed in a generally vertical wellbore;
- an independent completion deployed in a lateral wellbore, the independent completion comprising a power unit having a power generator and a power storage to store energy generated by the power generator, the power unit being removably engaged within the independent completion to enable removal and re-engagement of the power unit;
- and
- a wireless telemetry system positioned to communicate signals between the independent completion and the well completion.
1 more element
A method, comprising:
- placing an independent completion in a wellbore section;
- providing the independent completion with a removable power unit having a hydraulically driven power generator coupled to a power storage;
- and
- communicating data between the independent completion and a second completion located in a second wellbore section.
1 more element
A system for use in a wellbore, comprising:
- a remote, independent completion deployed in a wellbore, the remote, independent completion comprising a power unit which is selectively engageable and disengageable from a remainder of the remote, independent completion, the power unit comprising a power generator and a power storage.
Dependencies are inferred from the claim text.