APPLICATION OF EXTERNAL CASING PACKER IN COMPLETION OF HIGH PRESSURE,LOW PERMEABILITY RESERVOIR
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Abstract
Many Sha 3 and Sha 4 intervals in some faulted blocks of Shengli oil field can be cataloged as high pressure and low permeability reservoir. Various completion programs for wells in these reservoir have resulted in different production effects. In 8 wells completed in block Tuo 71, five wells were cemented using double setting cement, resulting in low daily production and short period of production. Completion with external casing packer features high dally production and long period of production while cementing with filtrate reducing cement slurry system results in medium daily production. The feature of external casing packer and its application in well Tuo 71 is discussed in detail in this paper.
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