Permanent downhole deployment of optical sensors
First Claim
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1. A method of permanently monitoring wellbore or formation parameters, comprising:
- providing a casing string having at least one optical sensor attached thereto;
locating the casing string within a wellbore;
measuring one or more wellbore or formation parameters with the at least one optical sensor while drilling;
geosteering a tubular body used for the drilling using measurements obtained by the measuring while drilling wherein the at least one optical sensor comprises at least one optical seismic sensor; and
imaging ahead of the tubular body while drilling using a seismic source.
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Abstract
The present invention involves methods and apparatus for permanent downhole deployment of optical sensors. Specifically, optical sensors may be permanently deployed within a wellbore using a casing string. In one aspect, one or more optical sensors are disposed on, in, or within the casing string. The optical sensors may be attached to an outer surface of the casing string or to an inner surface of the casing string, as well as embedded within a wall of the casing string. The optical sensors are capable of measuring wellbore parameters during wellbore operations, including completion, production, and intervention operations.
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Citations
3 Claims
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1. A method of permanently monitoring wellbore or formation parameters, comprising:
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providing a casing string having at least one optical sensor attached thereto; locating the casing string within a wellbore; measuring one or more wellbore or formation parameters with the at least one optical sensor while drilling; geosteering a tubular body used for the drilling using measurements obtained by the measuring while drilling wherein the at least one optical sensor comprises at least one optical seismic sensor; and imaging ahead of the tubular body while drilling using a seismic source. - View Dependent Claims (2, 3)
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Specification