Asr Spe Paper 114025 Ioreor Conference

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  • Asr Spe Paper 114025 Ioreor Conference

    1. 1. Possible Mechanisms and Case Studies for Enhancement of Oil Recovery and Production Using In-Situ Seismic Stimulation SPE/DOE IOR April 21-23, 2008 Session 18: Economics of IOR Projects SPE 114025 Bill Wooden and Sergey Kostrov Applied Seismic Research
    2. 2. Key Concepts <ul><li>Not a single well stimulation </li></ul><ul><li>A typical stimulation area is ½ to 1 ½ mile radius </li></ul><ul><li>Over 1 million shockwaves delivered over 8 months </li></ul><ul><li>Each shockwave ~ 2 million watts of power </li></ul>
    3. 3. The Hydro-Impact TM Tool Installs and Operates Similar to a Conventional Tubing Pump
    4. 5. Enhanced Recovery and Increased Production
    5. 6. Analogous to Downhole Earthquakes 26 Wells to the Northwest respond to both earthquakes and seismic. 5 Wells to the Southeast did not Diatomite
    6. 7. Shockwaves Travel over Long Distances … Sandstone
    7. 8. 68 Wells Respond to Seismic Stimulation Sandstone
    8. 9. Seismic Well Gas Injectors Pressure Monitors ? De-watering Wells ? Location of 6 Dewatering Wells
    9. 10. 6 Dewatering Wells became Prolific Oil Producers Sandstone Average Oil production increased by 500 percent Average Oil cut increased by 600 percent
    10. 11. Long Historical Trendline Sandstone
    11. 12. LACT Decline Rate Improved from 14.3 to 11.9% Low Recovery Efficiency Carbonate
    12. 13.                   3 bbls/D 38 % 2 bbls/D 65 % Wells within a 1.0 to 1.5 Mile Radius from Source No Change 2 bbls/D 200 % 1 bbls/D 33 % 3 bbls/D 38 % 4 bbls/D 50 % 6 bbls/D 32 % 1 bbls/D 50 % 9 bbls/D 20 % 4 bbls/D 50 % 1 bbls/D 50 % 5 bbls/D 122 % Wells within a 0.5 to 1.0 Mile Radius from Source 4 bbls/D 200 % 3 bbls/D 17 % 1 bbls/D 50 % 1 bbls/D 100 % 1 bbls/D 11 % 2 bbls/D 22 % 3 bbls/D 13 % 2 bbls/D 200 % 1 bbls/D 100 % 4bbls/D 20 % 7 bbls/D 200 % Wells within a 0.0 to 0.5 Mile Radius from Source James   Dexter   Upper Carlisle   Lewisville   Woodbine - perforated   Austin Chalk - perforated   Pecan Gap   Rodessa   Stimulation of Multiple Horizons
    13. 14. Fields Where Seismic Stimulation has Not Worked In this field the API gravity was around 16, too heavy to be moved (by that generation of tool) In this field, a blanket sandstone, no by-passed oil was available to be moved by seismic stimulation
    14. 15. Dynocard from Well with Seismic Tool Tool fires near top of stroke releasing shockwave.  Load ~ 10,000 lbs Compression occurs during upstroke.
    15. 16. The ASR Tool is shipped in 3 Pre-assembled sections It is assembled by a rig crew using standard casing power tongs

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