Antioch Energy

GEOLOGICAL AND ENGINEERING

3D Porosity Grid Reservoir Simulation Model of AF1U-Unit, Leon County, Texas

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Click 2D graphic of the Glen Rose porosity map above for the animation of the reservoir simulation of oil saturation response to water injection in the AF1U-Unit, Alabama Ferry (Glenrose D, West) field, Leon County, Texas. The reservoir simulation output files report that the producing wells recover up to an additional 820,000 barrels as a response to the pressure enhancement of the injected water over a period of seven years beyond the primary recovery of 834,000 barrels of oil. Note that the RED blocks are higher oil saturation and the GREEN grid blocks are lower oil saturation in the limestone carbonate pores.

Reservoir simulation graphical oil response report

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These are the statuses/determinations that Antioch Energy uses in the stages of oil and gas reserve development:
  1. Play
  2. Lead
  3. Prospect
  4. Development Not Viable
  5. Development on Hold
  6. Development Pending
  7. Planned for Development
  8. Under Development
  9. On Production

During the Play, Lead, and Prospect determinations, there is emphasis placed on geological understanding of the potential oil and gas producing formations through analysis of well logs, core samples, and other sources of geophysical data.

During the Development Pending, Planned for Development, and Under Development determinations, there is emphasis placed on reservoir engineering through the characterization of the reservoir and reservoir simulation modeling. We utilize five basic tools in the reservoir simulation:

  1. Analogues comparisons
  2. Decline curve analysis
  3. Material balance equations and type curves
  4. Streamline simulation
  5. Finite difference simulation
During the On Production determination, there is emphasis placed on production engineering and supervisory control and data acquisition (SCADA) through the use of flow analyzers/monitors, pump-off controllers, pressure data recorders, fluid analysis, and other well surveillance methods and tools.
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Last modified: May 29, 2008

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