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1 Prace Instytutu Nafty i Gazu

1 2008

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Osobennosti proektirovania razrabotki gazokondensatnyh mestorozdenij na zaversauscej stadii promyslennoj ekspluatacii

Pavlov S. D., Galko T. N.

Prace Instytutu Nafty i Gazu

2008

nr 150 wydanie konferencyjne

981--988

The stocks of gas in new deposits of hydrocarbons (which putted into exploration during of last years) are mostly small. Therefore the basic extraction of gas is linked to the baseline fields, such as Shebelinske, West Hrestishchenske, Efremivske, Mashivske, Rospashnivske, and fields with 10-50 billion m3 of initial balance stocks. The most common features of a reservoir engineering at a completing stage of extraction are reduction of operating pressures, a low production rate of wells and unsatisfactory availability index of wells. The basic technological decisions that allow to stabilize gas-producing rates and to enhance gas and condensate efficiency of production facilities, are: reduction of operating pressures on a number of fields for the purpose of accretion of gas recovery rates, changing of depleted production facilities to the upper or bottom ones, boring of new exploitation wells and restoration of liquidated ones, engineering of the side-tracking trunks in a low-rating holes and in the holes of the idle fund.