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Sinopec News Network reported on March 31 that the YK31 well of the Northwest Oilfield’s Yakela Gas Production Plant was successfully ignited.
It is reported that Well YK31 is a development well put into production at the end of October 2017, and the production horizon is the Cretaceous Yageliemu Formation.
At the beginning of this year, when the technicians of the plant shut down the well to explore the potential of the geological data, through analysis, they found that the lower part of this area is gray, gray-white, medium-thick and thin-bedded sandstone and tan mudstone interbeds are widely distributed.
After comparing and analyzing the four adjacent wells of the formation, the technicians found two wells that belong to the gas reservoir of the Cretaceous Yageliemu Formation.
After the completion of the transfer, the technical staff of the plant formulated the use of coiled tubing gas lift induced injection, integrated scraping, and integrated workover and oil testing and other technological measures based on the characteristics of the well.
On March 31, the technicians carefully analyzed the gas lift operation and determined that the high liquid level would affect the effect of the gas lift.
Chen Biao, deputy director of the Development Research Institute of the plant, said: “Oil and gas production depends not only on the deployment of new wells, but also on lying wells to'rejuvenate'.
(Zhang Zonglan and Ni Xuejiao)