摘要: This commercial scale test, known as the M-1 Project, is located in Crawford County, Illinois. It encompasses 407 acres of Robinson sand reservoir and covers portions of several waterflood projects that were approaching economic l... 展开 This commercial scale test, known as the M-1 Project, is located in Crawford County, Illinois. It encompasses 407 acres of Robinson sand reservoir and covers portions of several waterflood projects that were approaching economic limit. Development work commenced in late 1974 and has previously been reported. Micellar solution (slug) injection was initiated on February 10, 1977, and is now completed. After 23% of a pore volume injection, the 5.0-acre pattern oil cut gradually increased from 4% to the current peak of 11.3%. The 5.0-acre pattern experienced a sharp increase in oil cut after 34% of a pore volume of total fluid had been injected and now at 44.9% of a pore volume injected appears to have established a plateau. The oil cut of the 5.0-acre pattern has increased from 10.9% in September, 1981, to 11.3% in September 1982. As a result of project operations, 848,062 barrels of oil have been recovered from the project area. Oil cuts remain high in both patterns and significant additional recovery is expected in future years. This report is organized under the following four work breakdown structures: fluid injection; production; performance monitoring; economic monitoring. 22 figures, 9 tables. (ERA citation 08:035131) 收起