Calibration of NMR well logs from carbonate reservoirs with laboratory NMR measurements and μXRCT

Mason, Harris E.; Smith, Megan M.; Hao, Yue; Carroll, Susan A.

doi:10.1016/j.egypro.2014.11.332

Title: Calibration of NMR well logs from carbonate reservoirs with laboratory NMR measurements and μXRCT

Abstract

The use of nuclear magnetic resonance (NMR) well log data has the potential to provide in-situ porosity, pore size distributions, and permeability of target carbonate CO₂ storage reservoirs. However, these methods which have been successfully applied to sandstones have yet to be completely validated for carbonate reservoirs. Here, we have taken an approach to validate NMR measurements of carbonate rock cores with independent measurements of permeability and pore surface area to volume (S/V) distributions using differential pressure measurements and micro X-ray computed tomography (μXRCT) imaging methods, respectively. We observe that using standard methods for determining permeability from NMR data incorrectly predicts these values by orders of magnitude. However, we do observe promise that NMR measurements provide reasonable estimates of pore S/V distributions, and with further independent measurements of the carbonate rock properties that universally applicable relationships between NMR measured properties may be developed for in-situ well logging applications of carbonate reservoirs.

Authors:: Mason, Harris E.; Smith, Megan M.; Hao, Yue; Carroll, Susan A.

Publication Date:: Wed Jan 01 00:00:00 EST 2014

Research Org.:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1829190

Alternate Identifier(s):: OSTI ID: 1201504

Grant/Contract Number:: AC52-07NA27344

Resource Type:: Published Article

Journal Name:: Energy Procedia (Online)

Additional Journal Information:: Journal Name: Energy Procedia (Online) Journal Volume: 63 Journal Issue: C; Journal ID: ISSN 1876-6102

Publisher:: Elsevier

Country of Publication:: Netherlands

Language:: English

Subject:: 47 OTHER INSTRUMENTATION; 58 GEOSCIENCES; NMR; μXRCT; well logging

Citation Formats


                    Mason, Harris E., Smith, Megan M., Hao, Yue, and Carroll, Susan A. Calibration of NMR well logs from carbonate reservoirs with laboratory NMR measurements and μXRCT.  Netherlands: N. p., 2014. 
Web.  doi:10.1016/j.egypro.2014.11.332.

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                    Mason, Harris E., Smith, Megan M., Hao, Yue, & Carroll, Susan A. Calibration of NMR well logs from carbonate reservoirs with laboratory NMR measurements and μXRCT.  Netherlands.  https://doi.org/10.1016/j.egypro.2014.11.332

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                    Mason, Harris E., Smith, Megan M., Hao, Yue, and Carroll, Susan A. Wed .  
"Calibration of NMR well logs from carbonate reservoirs with laboratory NMR measurements and μXRCT".  Netherlands.  https://doi.org/10.1016/j.egypro.2014.11.332.

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@article{osti_1829190,

  title        = {Calibration of NMR well logs from carbonate reservoirs with laboratory NMR measurements and μXRCT},

  author       = {Mason, Harris E. and Smith, Megan M. and Hao, Yue and Carroll, Susan A.},

  abstractNote = {The use of nuclear magnetic resonance (NMR) well log data has the potential to provide in-situ porosity, pore size distributions, and permeability of target carbonate CO₂ storage reservoirs. However, these methods which have been successfully applied to sandstones have yet to be completely validated for carbonate reservoirs. Here, we have taken an approach to validate NMR measurements of carbonate rock cores with independent measurements of permeability and pore surface area to volume (S/V) distributions using differential pressure measurements and micro X-ray computed tomography (μXRCT) imaging methods, respectively. We observe that using standard methods for determining permeability from NMR data incorrectly predicts these values by orders of magnitude. However, we do observe promise that NMR measurements provide reasonable estimates of pore S/V distributions, and with further independent measurements of the carbonate rock properties that universally applicable relationships between NMR measured properties may be developed for in-situ well logging applications of carbonate reservoirs.},

  doi          = {10.1016/j.egypro.2014.11.332},

  journal      = {Energy Procedia (Online)},

  number       = C,

  volume       = 63,

  place        = {Netherlands},

  year         = {Wed Jan 01 00:00:00 EST 2014},

  month        = {Wed Jan 01 00:00:00 EST 2014}

}

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Works referenced in this record:

Extending NMR data for permeability estimation in fine-grained sediments
journal, September 2009

Daigle, Hugh; Dugan, Brandon
Marine and Petroleum Geology, Vol. 26, Issue 8
DOI: 10.1016/j.marpetgeo.2009.02.008

Evaporite Caprock Integrity: An Experimental Study of Reactive Mineralogy and Pore-Scale Heterogeneity during Brine-CO ₂ Exposure
journal, August 2012

Smith, Megan M.; Sholokhova, Yelena; Hao, Yue
Environmental Science & Technology, Vol. 47, Issue 1
DOI: 10.1021/es3012723

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Title: Calibration of NMR well logs from carbonate reservoirs with laboratory NMR measurements and μXRCT

Abstract

Citation Formats

Extending NMR data for permeability estimation in fine-grained sediments journal, September 2009

Evaporite Caprock Integrity: An Experimental Study of Reactive Mineralogy and Pore-Scale Heterogeneity during Brine-CO 2 Exposure journal, August 2012

Extending NMR data for permeability estimation in fine-grained sediments
journal, September 2009

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