Sinopec’s Jiyang shale oil base in Shandong province has ramped up output in recent months, raising Chinese shale production and domestic resources and output as the world’s biggest crude importer looks to boost its energy security. Cumulative oil production at Jiyang has topped 2 million tons, Chinese media reported on Monday. The Jiyang base, which covers about 7,300 square kilometers, or 2,820 square miles, in the Shandong province in east China, increased shale oil output by 15% in the first four months of 2026 compared to the same…