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Microbial Enhanced Oil
Recovery:
U.S . Stripper WellsJ. Robert (Bob) Paterek, Ph.D.
Energy and Environmental Biotechnologist
OIL PRODUCTION FACTS
• 65% is the maximum recovered in some wells
• 10% is the minimum is removed in others
Oil Production – 30 to 35% of oil is recovered by primary and secondary phase treatments so 65 to 70% of the oil remains
in the reservoir
ENHANCED OIL RECOVERY(EOR)
Oil Recovery’s three phases:1. Primary - allowing natural reservoir
pressure push out the oil2. Secondary - maintain reservoir pressure
by injecting water or produced gas3. Tertiary - fluids, gasses, surfactants,
or polymers injected to maintain the reservoir pressure improve oil flow. Tertiary phase that is usually defined as enhanced oil recovery
Microbially or Microbiologically Enhanced Oil Recovery (MEOR) is classified as a
Tertiary Treatment
MICROBIAL ENHANCED OIL RECOVERY (MEOR)
Oil Recovery’s three phases:1. Primary - allowing natural reservoir
pressure push out the oil2. Secondary - maintain reservoir pressure
by injecting water or produced gas3. Tertiary - fluids, gasses, or other
agents injected to maintain the reservoir pressure. Phase that is usually defined as enhanced oil recovery
Microbially or Microbiologically Enhanced Oil Recovery (MEOR) is classified as a
Tertiary Treatment
STRIPPER WELL FACTS
Stripper Wells – those that produce natural gas or oil at very low rates• Less than 10 barrels per day of oil• Less than 60 thousand cubic feet of gas per
dayThey make a significant contribution to USA’s energy supply• Lifeblood of thousands of small & independent
companies• 8o of approximately 500,000 producing oil
wells are classified as “stripper”• More that 400,000 stripper wells produce
nearly 1 million barrels per day
Represents almost 19% of domestic oil production
Stripper Well Consortium - Director Joel Morrison at (814) 865-4802 or
National Stripper Well Association - 405-228-4112 or [email protected]
National Energy Technology Laboratory (NETL) of the Department of Energy - http://www.netl.doe.gov/
STRIPPER WELL INFORMATION
A number of organizations and trade groups exist for the benefits of US stripper wells owners and operators.
Check out these organizations and their missions statements. Support them through membership or contact your Congressman and Senators and offer your support.
More Slides to Come!
