Downhole sensing with fiber in the formation
First Claim
1. A method of sensing at least one parameter in a formation communicating with a wellbore, comprising the step of moving a portion of at least one fiber optic cable from the wellbore into the formation by flowing a fluid into the formation, and carrying by the flowing fluid the portion of at least one fiber optic cable into the formation such that the portion is placed to conduct an optical signal responsive to the at least one parameter in the formation.
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Accused Products
Abstract
A portion of at least one fiber is moved from a wellbore into a formation such that the portion is placed to conduct a signal responsive to at least one parameter in the formation. One particular implementation uses fiber optic cable with a process selected from the group consisting of a fracturing process, an acidizing process, and a conformance process.
151 Citations
43 Claims
- 1. A method of sensing at least one parameter in a formation communicating with a wellbore, comprising the step of moving a portion of at least one fiber optic cable from the wellbore into the formation by flowing a fluid into the formation, and carrying by the flowing fluid the portion of at least one fiber optic cable into the formation such that the portion is placed to conduct an optical signal responsive to the at least one parameter in the formation.
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10. A method of sensing at least one parameter in a formation intersected by a wellbore, comprising the steps of:
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moving a fiber optic sensor from the wellbore into the formation outside the wellbore; conducting light to the fiber optic sensor from a light source; and receiving an optical signal from the fiber optic sensor in response to the conducted light and at least one parameter in the formation. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method of treating a well, comprising the step of:
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using, during a treatment time period, a process selected from the group consisting of a fracturing process, an acidizing process, and a conformance process; moving a fiber optic sensor into a formation undergoing the treatment; and sensing with the fiber optic sensor at least one parameter of the formation. - View Dependent Claims (28, 29, 30)
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- 31. A method of sensing at least one parameter in a formation communicating with a wellbore, comprising the step of moving a portion of at least one conductive fiber from the wellbore into the formation by flowing a fluid into the formation, and carrying by the flowing fluid the portion of at least one conductive fiber into the formation such that the portion is placed to conduct a signal responsive to the at least one parameter in the formation.
Specification