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- W4236357215 abstract "Reservoir Management Using the Illinois State Geological Survey's Waterflood Database James S. Cokinos; James S. Cokinos Illinois State Geological Survey Search for other works by this author on: This Site Google Scholar Bryan G. Huff; Bryan G. Huff Illinois State Geological Survey Search for other works by this author on: This Site Google Scholar Scott M. Frailey; Scott M. Frailey Illinois State Geological Survey Search for other works by this author on: This Site Google Scholar Beverly Seyler; Beverly Seyler Illinois State Geological Survey Search for other works by this author on: This Site Google Scholar John P. Grube John P. Grube Illinois State Geological Survey Search for other works by this author on: This Site Google Scholar Paper presented at the SPE Eastern Regional Meeting, Charleston, West Virginia, September 2004. Paper Number: SPE-91440-MS https://doi.org/10.2118/91440-MS Published: September 15 2004 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Cokinos, James S., Huff, Bryan G., Frailey, Scott M., Seyler, Beverly, and John P. Grube. Reservoir Management Using the Illinois State Geological Survey's Waterflood Database. Paper presented at the SPE Eastern Regional Meeting, Charleston, West Virginia, September 2004. doi: https://doi.org/10.2118/91440-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE Eastern Regional Meeting Search Advanced Search AbstractA digital database of the waterflooded oil reservoirs in Illinois was created as part of the DOE PUMP II program (Contract DE-FC26–02NT15132) to develop geographic information system-based (GIS) play portfolios to improve oil production in the Illinois Basin. The database was compiled from data on paper forms that are submitted annually to the Illinois State Geological Survey (ISGS) by petroleum operators. Attributes collected from the forms include annual and cumulative oil production, water injection and water production. Detailed oil reservoir information such as reservoir pressure, porosity, permeability, API gravity of the oil and depth of the waterflooded horizons are also submitted.To help producers identify underdeveloped areas in existing oil fields, a strategy was devised and implemented to transfer the digital databases, data manipulation methods and GIS map layering capabilities to petroleum operators through an internet mapping server (IMS). Color coded pay maps and waterflood unit maps were used to identify horizons and units that are currently being waterflooded or were waterflooded in the past. The layering capabilities of the ILoil ArcIMS website could then be used by operators to locate potentially overlooked or bypassed reserves. This database should be available in late fall of 2004.Using data available in the newly created database, we have used traditional waterflood and reservoir surveillance tools to compare oil reservoir responses in 3 Mississippian Reservoirs. The primary means for making comparisons between waterflooded units is the recovery plot and the recovery derivative. Representative decline curves and oil recovery curves are developed on a per unit/formation basis. These tools are designed to assist in a first pass assessment of individual waterflood patterns within a unit or a unit to unit comparison within a field.IntroductionOil and gas have been commercially produced in Illinois for over 100 years. Existing commercial production is from more than fifty-two named pay horizons in Paleozoic rocks ranging in age from the middle Ordovician to Pennsylvanian. Over 4.32 billons barrels of oil have been produced from an estimated 12 billions of OOIP, in the Illinois Basin (Mast & Howard, 1991). Thus, large quantities of oil, potentially recoverable using current technology, remain in Illinois oil fields despite a century of development. Many opportunities for increased production may have been missed due to complex development histories, multiple stacked pays, and commingled production which make thorough exploitation of pays and the application of secondary or improved/enhanced recovery strategies difficult. Lack of easy access to data and to the techniques required to evaluate and manage large amounts of diverse data have been major barriers to increased production of critical reserves in the Illinois Basin for the small companies that now dominate the basin. To alleviate these constraints we designed and implemented a system to allow public access to expanded databases using a Geographic Information System (GIS) that producers could use to evaluate and identify underdeveloped oil reserves.The ISGS has collected data regarding injected and produced fluids from approximately 1700 waterflood units in Illinois (figure 1). The data are not collected by any other organization and are available only at the ISGS. A new tool for screening and evaluating potentially underdeveloped areas has been developed by computerizing and organizing the waterflood data and developing a system for mapping the data. Through volumetric analysis using the injection versus produced fluids data made available over the web, producers can determine the efficiency and extent to which reservoir compartments have been drained. These types of analyses are also commonly used as analogies for future reservoir performance and economic potential. The ability to graphically display a combination of particular pay zones from the color-coded pay maps with injection well locations, and couple the display with analyses of waterflood volumetrics comprises a formidable system that independent producers can use to identify areas in existing fields with excellent potential for producing additional oil. Keywords: database, oil production, waterflood database, water injection, waterflood unit, illinois, enhanced recovery, recovery plot, decline curve, squire Subjects: Improved and Enhanced Recovery, Waterflooding This content is only available via PDF. 2004. Society of Petroleum Engineers You can access this article if you purchase or spend a download." @default.
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- W4236357215 title " Reservoir Management Using the Illinois State Geological Survey's Waterflood Database " @default.
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