CNOOC Ltd. made an oil discovery at Kenli 10-2 in Bohai. The oilfield lies in Laizhou Bay Sag in Southern Bohai Bay, with an average water depth of about 15.7 m.
The main oil-bearing formation is in the lower member of Neogene Minghuazhen formation and the oil properties are conventional heavy oil. Discovery well Kenli 10-2-4 was drilled and completed at a depth of 1,520 m, and encountered oil pay zones with a total thickness of about 27 m. The appraisal well was tested to produce about 569 b/d of oil.
The discovery “marked the breakthrough in discovery of lithological oilfield with reserve of 100 million tons in the shallow depression zone of the Bohai oilfields, demonstrated the broad prospects for exploration of lithological structures in the Bohai, and has great significance as a guide for exploration in similar basins,” said Xu Changgui, general manager of the company’s exploration department, in a Sept. 30 release.