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New technology in Shengli Dongxin operation area makes inefficient wells increase oil significantly

 Last Update: 2021-09-03
 Source: Internet
 Author: User

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Sinopec News.

Ying 87 Xingeng 23 well is located at Dongsan 5(1), with a buried depth of 1823 meters, an effective perforation thickness of 1 meter, an average permeability of 481 millidarcy, a shale content of 13%, and good reservoir physical properties

The first risk of sand control in this well is that if conventional chemical sand control is used, due to severe sand production, only chemical sand control is used, and artificial gravel is not used to fill the supporting stratum.

The construction staff actively changed their concepts, refined the sand control plan, and used pressure-limiting, small-displacement and high-pressure gravel filling, which did not break through the high-pressure water layer near the production zone, but could break through the pollution zone near the production zone, thereby greatly reducing flow resistance and improving oil wells.

The successful operation of sand control in Well Ying 87 and Xie Geng 23 has an important reference significance for the management of sand producing reservoirs in Dongxin Oil Region

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