December 17, 1991 (the Xinwei year 12 winter months), the Bohai Oilfield labeled the deepest horizontal wells in China.


1991 in mid-December, Bozhong 28-1 oilfield, Bohai Petroleum Company, labeled as the most difficult of horizontal wells. Port code N6-H horizontal wells oblique deep three thousand eight hundred ninety meters vertical depth of three thousand two hundred and one meters, the total horizontal displacement of one thousand one hundred twenty-three m world footage deep, large displacement, difficult one of the horizontal wells.
Comments: In recent years, China's offshore oil production and exploration of oil capacity is rising!