Methods to measure contact angles in scCO2-brine-sandstone systems

Dalton, Laura E.; Klise, Katherine A.; Fuchs, Samantha; Crandall, Dustin; Goodman, Angela

doi:10.1016/j.advwatres.2018.10.020

Title: Methods to measure contact angles in scCO₂-brine-sandstone systems

Abstract

Numerous methods are used to measure contact angles (θ) in multiphase systems. Furthermore, the wettability and θ are primary controls on CO₂ residual trapping during Geologic Carbon Storage(GCS) and determining these values within rock pores is paramount to increasing storage efficiency. One traditional experimental approach is the sessile drop method which involves θ measurements on a single image of droplets. More recent developments utilize X-ray micro-computed tomography (CT) scans which provide the resolutions necessary to image in situ θ of fluids at representative conditions; however, experimental micro-CT data is limited and varied.To further examine θ distributions in supercritical-O₂-brine-sandstone systems, a combination of manual and automated θ measurement methods were utilized to measure θ using both sessile drop and micro-CT images of two sandstone cores. The purpose of this work was threefold: (1)compare two current and two new θ measuring methods using micro-CT images of scCO₂-brine-sandstone systems; (2) determine how traditional experimental method (sessile drop) θ results compare to in situ θ results (micro-CT); and (3) determine if the Matlab Contact AngleAlgorithm (MCAA) from Klise et al. [17] can be used to measure θ scCO₂-brine-sandstone systems.

Authors:

Dalton, Laura E. ^[1]; Klise, Katherine A. ^[2];

^[3]; Crandall, Dustin ^[4];

^[4]

National Energy Technology Lab. (NETL), Morgantown, WV (United States); National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States); Oak Ridge Inst. for Science and Education (ORISE), Oak Ridge, TN (United States)
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Univ. of Texas, Austin, TX (United States)
National Energy Technology Lab. (NETL), Morgantown, WV (United States); National Energy Technology Lab. (NETL), Pittsburgh, PA, (United States)

Publication Date:: Wed Oct 24 00:00:00 EDT 2018

Research Org.:: Energy Frontier Research Centers (EFRC) (United States). Center for Geologic Storage of CO2 (GSCO2); National Energy Technology Lab. (NETL), Morgantown, WV and Pittsburgh, PA (United States); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org.:: FE; USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1509708

Alternate Identifier(s):: OSTI ID: 1544797

Report Number(s):: NETL-PUB-22325; SAND-2019-7886J
Journal ID: ISSN 0309-1708

Grant/Contract Number:: AC04-94AL85000

Resource Type:: Accepted Manuscript

Journal Name:: Advances in Water Resources

Additional Journal Information:: Journal Volume: 122; Journal Issue: C; Journal ID: ISSN 0309-1708

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 58 GEOSCIENCES; supercritical-CO2; Matlab contact angle algorithm; micro-CT; 54 ENVIRONMENTAL SCIENCES

Citation Formats


                    Dalton, Laura E., Klise, Katherine A., Fuchs, Samantha, Crandall, Dustin, and Goodman, Angela. Methods to measure contact angles in scCO2-brine-sandstone systems.  United States: N. p., 2018. 
Web.  doi:10.1016/j.advwatres.2018.10.020.

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                    Dalton, Laura E., Klise, Katherine A., Fuchs, Samantha, Crandall, Dustin, & Goodman, Angela. Methods to measure contact angles in scCO2-brine-sandstone systems.  United States.  https://doi.org/10.1016/j.advwatres.2018.10.020

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                    Dalton, Laura E., Klise, Katherine A., Fuchs, Samantha, Crandall, Dustin, and Goodman, Angela. Wed .  
"Methods to measure contact angles in scCO2-brine-sandstone systems".  United States.  https://doi.org/10.1016/j.advwatres.2018.10.020.  https://www.osti.gov/servlets/purl/1509708.

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@article{osti_1509708,

  title        = {Methods to measure contact angles in scCO2-brine-sandstone systems},

  author       = {Dalton, Laura E. and Klise, Katherine A. and Fuchs, Samantha and Crandall, Dustin and Goodman, Angela},

  abstractNote = {Numerous methods are used to measure contact angles (θ) in multiphase systems. Furthermore, the wettability and θ are primary controls on CO2 residual trapping during Geologic Carbon Storage(GCS) and determining these values within rock pores is paramount to increasing storage efficiency. One traditional experimental approach is the sessile drop method which involves θ measurements on a single image of droplets. More recent developments utilize X-ray micro-computed tomography (CT) scans which provide the resolutions necessary to image in situ θ of fluids at representative conditions; however, experimental micro-CT data is limited and varied.To further examine θ distributions in supercritical-O2-brine-sandstone systems, a combination of manual and automated θ measurement methods were utilized to measure θ using both sessile drop and micro-CT images of two sandstone cores. The purpose of this work was threefold: (1)compare two current and two new θ measuring methods using micro-CT images of scCO2-brine-sandstone systems; (2) determine how traditional experimental method (sessile drop) θ results compare to in situ θ results (micro-CT); and (3) determine if the Matlab Contact AngleAlgorithm (MCAA) from Klise et al. [17] can be used to measure θ scCO2-brine-sandstone systems.},

  doi          = {10.1016/j.advwatres.2018.10.020},

  journal      = {Advances in Water Resources},

  number       = C,

  volume       = 122,

  place        = {United States},

  year         = {Wed Oct 24 00:00:00 EDT 2018},

  month        = {Wed Oct 24 00:00:00 EDT 2018}

}

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Cited by: 19 works

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Fig. 1: Apparent and Actual contact angles: A) sessile drop image (adapted from Marmur [7]); B) micro-CT image stack.

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Title: Methods to measure contact angles in scCO2-brine-sandstone systems

Abstract

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Title: Methods to measure contact angles in scCO₂-brine-sandstone systems