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Recently, the Chengbei 306 side well of Shengli Offshore was put into operation and officially joined the Chengdao Oilfield development sequence.
During the trial pumping operation, it obtained a high-yield self-injection stream, equivalent to a daily production of 152 tons of fluid
.
Chengbei 306 side well is an ancient buried hill side well for productivity construction in the new area of Chengbei 30-306 in Chengdao Oilfield, Shengli Offshore, designed to develop Lower Paleozoic oil reservoirs
.
The construction section of the well is 3788-3982.
Therefore, the new third platform of Shengli Downhole Operation Company, which undertook this construction, specifically discussed and analyzed the characteristics of its cavernous strata.
In the operation, a series of improvements such as acid fracturing, flowback, and high-temperature anti-corrosion and anti-scaling electric pump unit lifting were especially adopted.
Production measures
.
Comprehensive science, feasibility, economy, risk and other aspects, focusing on productivity and life extension, do a good job in the optimization of the well fluid system, the optimization of the well completion method, the optimization of the lifting method, and formulate the best plan to meet the needs of the reservoir
The successful commissioning of Chengbei 306 side well verified the productivity of Chengbei Block 30-306, broadened the Shengli offshore mining sequence, and provided a good experience for the development of fracture-cavity complex buried hill reservoirs
.
(Chen Ran)