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Deposition, Diagenesis, and Sequence Stratigraphy of the Pennsylvanian Morrowan and Atokan Intervals at Farnsworth Unit

Author

Listed:
  • Martha Cather

    (Petroleum Recovery Research Center, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA)

  • Dylan Rose-Coss

    (New Mexico Oil Conservation Division, Santa Fe, NM 87505, USA)

  • Sara Gallagher

    (California Geological Survey, Eureka, CA 95503, USA)

  • Natasha Trujillo

    (Pioneer Natural Resources, Irving, TX 75039, USA)

  • Steven Cather

    (New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA)

  • Robert Spencer Hollingworth

    (Department of Earth and Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA)

  • Peter Mozley

    (Department of Earth and Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA)

  • Ryan J. Leary

    (Department of Earth and Environmental Science, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA)

Abstract

Farnsworth Field Unit (FWU), a mature oilfield currently undergoing CO 2 -enhanced oil recovery (EOR) in the northeastern Texas panhandle, is the study area for an extensive project undertaken by the Southwest Regional Partnership on Carbon Sequestration (SWP). SWP is characterizing the field and monitoring and modeling injection and fluid flow processes with the intent of verifying storage of CO 2 in a timeframe of 100–1000 years. Collection of a large set of data including logs, core, and 3D geophysical data has allowed us to build a detailed reservoir model that is well-grounded in observations from the field. This paper presents a geological description of the rocks comprising the reservoir that is a target for both oil production and CO 2 storage, as well as the overlying units that make up the primary and secondary seals. Core descriptions and petrographic analyses were used to determine depositional setting, general lithofacies, and a diagenetic sequence for reservoir and caprock at FWU. The reservoir is in the Pennsylvanian-aged Morrow B sandstone, an incised valley fluvial deposit that is encased within marine shales. The Morrow B exhibits several lithofacies with distinct appearance as well as petrophysical characteristics. The lithofacies are typical of incised valley fluvial sequences and vary from a relatively coarse conglomerate base to an upper fine sandstone that grades into the overlying marine-dominated shales and mudstone/limestone cyclical sequences of the Thirteen Finger limestone. Observations ranging from field scale (seismic surveys, well logs) to microscopic (mercury porosimetry, petrographic microscopy, microprobe and isotope data) provide a rich set of data on which we have built our geological and reservoir models.

Suggested Citation

  • Martha Cather & Dylan Rose-Coss & Sara Gallagher & Natasha Trujillo & Steven Cather & Robert Spencer Hollingworth & Peter Mozley & Ryan J. Leary, 2021. "Deposition, Diagenesis, and Sequence Stratigraphy of the Pennsylvanian Morrowan and Atokan Intervals at Farnsworth Unit," Energies, MDPI, vol. 14(4), pages 1-26, February.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:4:p:1057-:d:501019
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    Citations

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    Cited by:

    1. Samuel Appiah Acheampong & William Ampomah & Don Lee & Angus Eastwood-Anaba, 2023. "Coupled Hydromechanical Modeling and Assessment of Induced Seismicity at FWU: Utilizing Time-Lapse VSP and Microseismic Data," Energies, MDPI, vol. 16(10), pages 1-24, May.
    2. Robert Will & Tom Bratton & William Ampomah & Samuel Acheampong & Martha Cather & Robert Balch, 2021. "Time-Lapse Integration at FWU: Fluids, Rock Physics, Numerical Model Integration, and Field Data Comparison," Energies, MDPI, vol. 14(17), pages 1-24, September.
    3. Natasha Trujillo & Dylan Rose-Coss & Jason E. Heath & Thomas A. Dewers & William Ampomah & Peter S. Mozley & Martha Cather, 2021. "Multiscale Assessment of Caprock Integrity for Geologic Carbon Storage in the Pennsylvanian Farnsworth Unit, Texas, USA," Energies, MDPI, vol. 14(18), pages 1-26, September.
    4. George El-kaseeh & Kevin L. McCormack, 2023. "Multi-Scale Seismic Measurements for Site Characterization and CO 2 Monitoring in an Enhanced Oil Recovery/Carbon Capture, Utilization, and Sequestration Project, Farnsworth Field, Texas," Energies, MDPI, vol. 16(20), pages 1-19, October.
    5. Jolante van Wijk & Noah Hobbs & Peter Rose & Michael Mella & Gary Axen & Evan Gragg, 2021. "Analysis of Geologic CO 2 Migration Pathways in Farnsworth Field, NW Anadarko Basin," Energies, MDPI, vol. 14(22), pages 1-24, November.
    6. Samuel Appiah Acheampong & William Ampomah & Hassan Khaniani & Robert Will & Justice Sarkodie‐Kyeremeh, 2022. "Quantitative interpretation of time‐lapse seismic data at Farnsworth field unit: Rock physics modeling, and calibration of simulated time‐lapse velocity responses," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 12(6), pages 671-697, December.
    7. Eusebius J. Kutsienyo & Martin S. Appold & Martha E. Cather, 2023. "Investigation of the Effect of Injected CO 2 on the Morrow B Sandstone through Laboratory Batch Reaction Experiments: Implications for CO 2 Sequestration in the Farnsworth Unit, Northern Texas, USA," Energies, MDPI, vol. 16(12), pages 1-22, June.
    8. William Ampomah & Brian McPherson & Robert Balch & Reid Grigg & Martha Cather, 2022. "Forecasting CO 2 Sequestration with Enhanced Oil Recovery," Energies, MDPI, vol. 15(16), pages 1-7, August.

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