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DOE Digest

NETL 2007 Research Accomplishments

Each year DOE’s National Energy Technology Laboratory (NETL) highlights its accomplishments. In the recently released 2007 report (www.
netl.doe.gov/publications/others/
accomp_rpt/accomp_fy07.pdf
) in the oil and gas supply realm, NETL cited more than 20 accomplishments, many of which have direct application for small independent producers. Many of these accomplishments are the result of multi-year efforts supported by NETL. It is a large download (8.9 mb), but readers are encouraged to read the report—maybe just one of those 20 plus projects has direct application to your opportunity or problem.

RMOTC To Produce Power From Produced Water

With partner Ormat Nevada Inc., the Rocky Mountain Oilfield Testing Center (RMOTC) this summer will begin a one-year, $1 million test to prove that a binary geothermal power generation system that uses hot produced water can reliably generate power. Ormat will supply a commercial, air-cooled, skid-mounted standard design Ormat Organic Rankine Cycle power plant. Similar systems have been used in non-oilfield applications for years. This will be the first test in an oilfield application.

The binary unit will bring hot produced water (average production temperature for Tensleep is 190°F and 200°F for the Madison) through pipelines to a heat exchanger. In the heat exchanger, the geothermal fluid will heat and vaporize a secondary working fluid, typically an organic fluid with a low boiling point. The vapors will then drive a turbine

which will power a generator and then will be condensed for recycle into the heat exchanger, completing the cycle within the closed loop system.

With minor work on producers, the rate for the combined Tensleep and Madison produced water could be between 126 and 210 MBWPD. Present Tensleep produced water could produce 180 kW of gross power. Gross power from both reservoirs with potential increases in Tensleep production would be in the 540 kW to 900 kW range. Generated power will be used in field production equipment. The power unit will be inter-connected into the field electrical system and the produced energy will be metered and monitored for reliability and quality.

Excerpted from RMOTC’s Summer 2008 newsletter available online at www.rmotc.doe.gov/Pdfs/
newsletter_summer08.pdf
.

Stripper Well Consortium 2008 Projects Identified

The 2008 Spring Meeting for the Stripper Well Consortium (SWC) was held in Washington, DC on April 17-18, 2008. This meeting was dedicated to hearing and reviewing the requests for co-funding from the SWC. Over 75 people attended the two-day meeting to hear presentations from 20 project requests. Congressman Peterson (PA) gave the opening address followed by a technology panel from past projects. The Executive Council recommended eight proposals for a total of over $842,000 co-funding commitment from the SWC.

Consortium technology development research is conducted in the areas of reservoir remediation, wellbore

clean up, surface and collection optimization, and environmental. Proposals must address improving the production performance of stripper wells and must provide significant cost share. The funding cycle for these projects will be July 1, 2008 to June 30, 2009. The 2008 projects are:

Electrochemistry, an Economical Solution for the Treatment and Purification of Produced Waters, Greensburg Oil

Two-Phase Flow Impairment in Gas Gathering Systems: Problems, Detection and Solutions for Stripper Well Systems, The Pennsylvania State University

Field Demonstration of a New Low Cost Hydraulically Operated Insertable Pump for Stripper Wells, Salt River Engineering

A Optimizing Stripper Well Production with JLS Gas Drive Fluid Lifting System, Jet Lifting Systems

Solar Powered Pump Jack for Stripper Wells, R&A Moore, Inc.

Can a Simple Control Make More Oil?, Oil Well Sentry

Demonstration of Directed Slotting-Fracturing Technology, Hydroslotter Corp.

Validation of Incremental Oil Productions via Single Well and Reservoir Field Trials Involving In Situ Stimulation of Indigenous Microorganisms, RAM Biochemicals

For information, contact the SWC at 814-865-9802 or visit: www.energy.psu.edu/swc.

Two Online Management Information Systems
(Developed by Argonne National Laboratory with funding provided by DOE’s National Energy Technology Laboratory)

http://web.evs.anl.gov/pwmis/

This is an online resource for technical and regulatory information for managing produced water, including current practices, state and federal regulations, and guidelines for optimal management practices.

http://web.ead.anl.gov/dwm/

This is an online resource for technical and regulatory information on practices for managing drilling muds and cuttings, including current practices, state and federal regulations, and guidelines for optimal management practices.

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PTTC

July 2008