Stress sensor for cement or fluid applications

Polsky, Yarom; Lance, Michael J.; Hemrick, James Gordon

Title: Stress sensor for cement or fluid applications

Abstract

A system and method measuring subterranean stress. The system and method includes a non-destructive sheath enveloping a tubular structure positioned in direct contact with a lateral subterranean rock formation for sensing expansive changes in the subterranean rock formation. A fiber optic is directly embedded in the non-destructive sheath positioned adjacent to the exterior surface of the tubular structure. The fiber optic transmits light and thereafter receives light in proportion to the expansive changes in the subterranean rock formation. A spectrometer connected to the fiber optic remote from the non-destructive sheath. The spectrometer measures hydrostatic stress in the subterranean rock formation without estimating acoustoelastic effects or occluding the tubular structure.

Inventors:: Polsky, Yarom; Lance, Michael J.; Hemrick, James Gordon

Issue Date:: 2019-10-22

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1600200

Patent Number(s):: 10451497

Application Number:: 15/675,473

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Classifications (CPCs):: E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING

G - PHYSICS G01 - MEASURING G01L - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE

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E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
E21B33/14 - for cementing casings into boreholes {

G - PHYSICS G01 - MEASURING G01L - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
G01L1/242 - {the material being an optical fibre}

E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
E21B49/00 - Testing the nature of borehole walls

G - PHYSICS G01 - MEASURING G01L - MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
G01L1/241 - {by photoelastic stress analysis}
G01L1/24 - by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis {using infra-red, visible light, ultra-violet}

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DOE Contract Number:: AC05-00OR22725

Resource Type:: Patent

Resource Relation:: Patent File Date: 08/11/2017

Country of Publication:: United States

Language:: English

Subject:: 58 GEOSCIENCES

Citation Formats


                    Polsky, Yarom, Lance, Michael J., and Hemrick, James Gordon. Stress sensor for cement or fluid applications.  United States: N. p., 2019. 
        Web.

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                    Polsky, Yarom, Lance, Michael J., & Hemrick, James Gordon. Stress sensor for cement or fluid applications.  United States.

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                    Polsky, Yarom, Lance, Michael J., and Hemrick, James Gordon. Tue .  
        "Stress sensor for cement or fluid applications".  United States.  https://www.osti.gov/servlets/purl/1600200.

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@article{osti_1600200,

  title        = {Stress sensor for cement or fluid applications},

  author       = {Polsky, Yarom and Lance, Michael J. and Hemrick, James Gordon},

  abstractNote = {A system and method measuring subterranean stress. The system and method includes a non-destructive sheath enveloping a tubular structure positioned in direct contact with a lateral subterranean rock formation for sensing expansive changes in the subterranean rock formation. A fiber optic is directly embedded in the non-destructive sheath positioned adjacent to the exterior surface of the tubular structure. The fiber optic transmits light and thereafter receives light in proportion to the expansive changes in the subterranean rock formation. A spectrometer connected to the fiber optic remote from the non-destructive sheath. The spectrometer measures hydrostatic stress in the subterranean rock formation without estimating acoustoelastic effects or occluding the tubular structure.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2019},

  month        = {10}

}

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Works referenced in this record:

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US Patent Document 9,546,548
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Title: Stress sensor for cement or fluid applications

Abstract

Citation Formats

Methods for locating a cement sheath in a cased wellbore patent, January 2017

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patent, January 2017

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patent, July 2012

Method and system for monitoring smart structures utilizing distributed optical sensors
patent, July 2005

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patent, December 2017

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