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Less Could be More! Water Saturation in Liquid-rich Unconventional Reservoirs: Implications for Well Spacing and Profitability

Tuesday, 21 July 2020, 8:00 a.m.–8:40 a.m.  |  Austin, Texas

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Course Content

Speaker
  • Andrew Pepper, Director, Petroleum Systems LLC

New and independent methods of saturation measurement are showing that water saturations in these reservoirs are significantly higher than measured by the methods employed over the last decade. Given that recoverable reserves are defined by decline curve analysis, lower in place volumes mean that recovery factors – previously estimated as low as 3-5% – are significantly higher than previously thought. Arguably, the down spacing in many plays is being driven by this false perception of high oil in place and low primary recovery factors. Daughter wells generally perform poorly compared to the parent wells, and there is evidence from reservoir simulation that the parent wells will access the reserves anyway. So, we may be drilling infills for rate; not recovery. Could less infill drilling and lower up-front capex be the key to more profitability?

Fee:
Included with Registration

Venue

Less Could be More! Water Saturation in Liquid-rich Unconventional Reservoirs: Implications for Well Spacing and Profitability
Austin, TX
Austin, Texas
United States

Instructor

Alejandro Lerza
Alejandro Lerza Moderator Chevron, Argentina

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