Overview of the Illinois Basin's sequestration pilots

Scott M Frailey, Robert J. Finley

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

As part of the DOE's Phase II and III Geologic Sequestration Partnership program, the Illinois State Geological Survey is leading the Midwest Geologic Sequestration Consortium (MGSC) in various field demonstrations. MGSC's Phase II/III is six sequestration pilots of which there are four EOR pilots, one S/ECBM pilot and one, large-scale brine-saturated formation injection pilot. A small 43 ton single well, huff-and-puff has been designed, implemented and completed in the Loudon oilfield. The well was a single formation completion at 1500 ft at pressure and temperature considered immiscible. The well's initial oil response was 8x the preCO2 oil rate. The site selection, equipment layout, test results and background information will be presented. Selection of a pattern flood is in the late part of the screening process. Because of the relative low reservoir temperatures and high fracture gradient, this pilot is being designed as a liquid CO2 flood. Model results suggest 6-8 months of continuous injection followed by 2-3 months of water injection are required to have a measurable response at this site. Finalization of pilot contract with oilfield operator and UIC permit application process is being initiated at this time. The plans for the remaining two EOR pilots are similar to the pattern flood except these sites will be screened for pressure and temperature conducive to immiscible and traditional miscible conditions. The S/ECBM pilot is scheduled for injection in summer of 08. Presently two wells in the pilot have been drilled, cored and DST'd. DST permeability results were lower than expected and drilling was suspended in order to carry out additional pressure transient testing including two falloff tests and one pulse tests. Results of the PTA tests confirmed the DST results and subsequent suggest closer well spacing is required. The deep saline formation test is scheduled to have the injection well drilled in spring 08. The UIC permit application has been submitted. This one million ton injection project is intended for the Mt. Simon sandstone in central Illinois; the Mt. Simon is the deepest sedimentary formation in the Basin.

Original languageEnglish (US)
Title of host publication16th SPE/DOE Improved Oil Recovery Symposium 2008 - "IOR
Subtitle of host publicationNow More Than Ever."
Pages765-772
Number of pages8
Volume2
StatePublished - 2008
Event16th SPE/DOE Improved Oil Recovery Symposium 2008 - "IOR: Now More Than Ever." - Tulsa, OK, United States
Duration: Apr 19 2008Apr 23 2008

Other

Other16th SPE/DOE Improved Oil Recovery Symposium 2008 - "IOR: Now More Than Ever."
CountryUnited States
CityTulsa, OK
Period4/19/084/23/08

Fingerprint

basin
Well spacing
Plant layout
Site selection
Geological surveys
well
Water injection
Sandstone
Temperature
Drilling
Screening
Demonstrations
oil
temperature
site selection
geological survey
brine
Liquids
Testing
spacing

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Geotechnical Engineering and Engineering Geology

Cite this

Frailey, S. M., & Finley, R. J. (2008). Overview of the Illinois Basin's sequestration pilots. In 16th SPE/DOE Improved Oil Recovery Symposium 2008 - "IOR: Now More Than Ever." (Vol. 2, pp. 765-772)

Overview of the Illinois Basin's sequestration pilots. / Frailey, Scott M; Finley, Robert J.

16th SPE/DOE Improved Oil Recovery Symposium 2008 - "IOR: Now More Than Ever.". Vol. 2 2008. p. 765-772.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Frailey, SM & Finley, RJ 2008, Overview of the Illinois Basin's sequestration pilots. in 16th SPE/DOE Improved Oil Recovery Symposium 2008 - "IOR: Now More Than Ever.". vol. 2, pp. 765-772, 16th SPE/DOE Improved Oil Recovery Symposium 2008 - "IOR: Now More Than Ever.", Tulsa, OK, United States, 4/19/08.
Frailey SM, Finley RJ. Overview of the Illinois Basin's sequestration pilots. In 16th SPE/DOE Improved Oil Recovery Symposium 2008 - "IOR: Now More Than Ever.". Vol. 2. 2008. p. 765-772
Frailey, Scott M ; Finley, Robert J. / Overview of the Illinois Basin's sequestration pilots. 16th SPE/DOE Improved Oil Recovery Symposium 2008 - "IOR: Now More Than Ever.". Vol. 2 2008. pp. 765-772
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