October, 2001
Water Production Reduced in Stripper Wells
At the Independents' IOR Forum in Tulsa on April 4, 2000, Brian Fox
of RENCO Energy and Gerold Allen of Toupes Technology Licensing presented
a case study of the Balanced Oil Recovery System (BORS Lift tm). The
BORS Lift tm is a computer-controlled electric "pump" designed
to reduce the operating cost of stripper wells by reducing the volume
of produced water. The pump is a simple design that uses an electrically
powered reel and nylon strap to lift oil to the surface in a weighted
flexible tube. The surface unit is completely enclosed and weighs
600 pounds. It consists of the reel, powered by a two Hp electric
motor, a collecting tank, and a transfer pump. Pump timing is matched
to oil inflow, and is computer controlled, using input such as porosity,
water saturation, permeability, depth to perforations, oil/water/gas
production drive, and oil and water gravities. Field tests on four
wells in Oklahoma have shown good results. In addition to a reduction
of water production, oil production remained the same or increased
in all wells. In three of the wells water production dropped from
80, 70 and 70 bwpd respectively to three bwpd in one well and to a
trace in the other two wells. Water production in a fourth well remained
unchanged at a trace before and during the test. The distributor notes
that not all wells are amenable to the system. The system can be used
in wells with an oil level down to 2500 feet, a 5000-foot production
model is under development. The pump can operate in 2 7/8 or larger
casing. The unit uses a SquareD control with an automatic shut off.
For more information about the BORS Lifttm contact Brian Fox of RENCO
Energy, voice: (918) 494-7775, or Gerold Allen of Toupes Technology,
voice: (918) 283-2678, or e-mail, allengda@aol.com .
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