大港油田许多油井在农田和盐田上,还有的在盐碱滩和沼泽地里。为了在作业准备过程中,尽量减少因拧入或拧出井架绷绳地锚对农作物和盐田造成的损害,减轻工人的笨重体力劳动,提高工作效率,以及进一步完善立、放、运试油井架的机械化程度,大港油田井下 Many oil wells in Dagang Oilfield are on farmland and salt fields, as well as in saline-alkali beaches and wetlands. In order to minimize the damage caused to the crops and the salt fields caused by screwing in or out of the derrick tie-line anchors during the operation preparation, reduce the heavy physical labor of workers and improve the working efficiency, and further improve the testing, The degree of mechanization, Dagang Oilfield underground