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Recently, the Pulu 5 well drilled by the 50437 drilling team of the Southwest Project of Zhongyuan Petroleum Engineering Drilling Company II completed the directional section coring task with a harvest rate of 99.
8%, which is a high index of directional well coring in the Puguang block
.
Well Pulu 5 is a pre-exploration well deployed in the Puguang West syncline structure in the Sichuan Basin in the Zhongyuan Oilfield, with a designed well depth of 3,289.
63 meters
.
The company and the well team comprehensively analyzed the core difficulties and formulated targeted technical solutions
In the directional section of Well Pulu 5, a total of 8 cores were taken, with a cumulative core footage of 138 meters, an average of 17.
25 meters per barrel, and a core recovery rate of over 96%
.
(Liu Jianzhu and Wang Jixue)