最近,南海西部公司自行设计、自行施工,由南海四号平台在即将投产的涠11-4油田首次成功地钻了一口高难度水平井——涠11-4A13井。井深1718 m,水平位移1063 m,水平井段长454 m,穿越油田二油组油层506 m,控制石油地质储量100多万吨。打大位移水平井,是让油井水平穿过油层,既可提高原油采收率,又可通过水平井段控制较多的石油地质储量,降低油田生产成本。但是打水平井风险大、难度高。在我国海域完 Recently, the South China Sea West Company designed and built its own by the South China Sea platform on the 4th platform in the upcoming production of 涠 11-4 oil field for the first time successfully drilled a difficult horizontal wells - 涠 11-4A13 wells. Depth of 1718 m, horizontal displacement of 1063 m, horizontal well length of 454 m, crossing the Second Oil Reservoirs Reservoir 506 m, controlling the oil geological reserves of 100 million tons. Hit large displacement horizontal wells, is to make the oil level through the reservoir, can improve the recovery rate of crude oil, but also through the horizontal well control more oil geological reserves, reduce oil production costs. However, horizontal wells are risky and difficult to hit. End of the sea in our country