Open hole completions have been the accepted practice for horizontal wells in the Rainbow Lake area of Northern Alberta. As these fields mature, and the oil bank in these structures thin, the use of effective production control technology has become particularly important. The design of the well trajectory, the ability to intervene to control production, and the incorporation of horizontals in a strategic producing plan for the area has pushed the edge of technology. Many aspects of the planned exploitation of these reef pools have changed based upon successful applications of evolving horizontal well technologies. Production control issues are paramount to these changes. This paper presents several well case histories that illustrate the application of advancements in establishing isolation in the open hole horizontal completions to accomplish various objectives in the successful application of horizontal wells in the Rainbow Lake field.

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