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US Patent 10067030 Multifiber interrogation with reflectometry techniques

Patent 10067030 was granted and assigned to Schlumberger on September, 2018 by the United States Patent and Trademark Office.

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US Patent 11988083 Apparatus and methods for determining information from a well
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Patent abstract

A system and method for simultaneously addressing multiple parallel distributed fiber optic sensors using a single interrogation instrument is disclosed. One or more of the fiber optic sensors are provided with a non-reflective delay element to prevent an overlap in time between backscatter returns from the distributed fiber optic sensors, thereby allowing the backscatter returns from each sensor to be distinguished based on round-trip transit time.

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US Patent 11643923 Distributed acoustic sensing autocalibration
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Infobox
Is a
Patent
Patent
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Patent Applicant
Schlumberger
Schlumberger
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Current Assignee
Schlumberger
Schlumberger
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
100670300
Date of Patent
September 4, 2018
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Patent Application Number
156834710
Date Filed
August 22, 2017
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Patent Citations Received
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US Patent 10975687 Well and overburden monitoring using distributed acoustic sensors
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US Patent 11053791 Detecting downhole sand ingress locations
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US Patent 11333636 Detecting events using acoustic frequency domain features
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US Patent 11385368 Simultaneous distributed measurement monitoring over multiple fibers
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US Patent 11401794 Apparatus and methods for determining information from a well
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US Patent 11466563 Systems and methods for subterranean fluid flow characterization
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US Patent 11473424 Fluid inflow characterization using hybrid DAS/DTS measurements
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US Patent 11530606 Detecting downhole sand ingress locations
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US Patent 11593683 Event model training using in situ data
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Patent Primary Examiner
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US Patent 11593683 Event model training using in situ data
0
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US Patent 11530606 Detecting downhole sand ingress locations
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US Patent 11473424 Fluid inflow characterization using hybrid DAS/DTS measurements
0
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US Patent 11466563 Systems and methods for subterranean fluid flow characterization
0
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