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鄂尔多斯盆地北部以上古生界为目的层的石油普查勘探工作,自1953年迄今已近30年,1955—1964年,经地质部和石油工业部几番工作,在乌兰格尔及其南侧地区共打井300余口,除白垩系见多处油苗外,有40口井见二叠系石盒子组及石千峰组含油,但仅个别井获少量原油.因成效不大,1965年后,一度中断工作。1969年,石油工业部在盆地西部灵武地区所钻刘庆1井于太原组、山西组、石盒子组中发现高产工业气流,复又引起人们对此区的极大关注。 1975年,地质部重上盆地北部,开展了区域地震概查工作,钻普查井11口,其中伊深1井获日产上万立方米的天然气及少量原油,石咀山以南的巴彦套海地区上古生界首次发现油气显示(伊3井),
The petroleum survey and prospecting work of the Upper Paleozoic in the north of Ordos Basin has been nearly 30 years since 1953 and several times by the Ministry of Geology and Ministry of Petroleum Industry from 1955 to 1964. In Wulanjel and its south A total of more than 300 wells were drilled in the area, except for a number of oil sands in the Cretaceous, 40 wells were found in the Permian Shihezi Formation and Shiqianfeng Formation, but only a few wells received a small amount of crude oil. , Once interrupted the work. In 1969, the Ministry of Petroleum Industry discovered high-yield industrial airflow in the Taiyuan, Shanxi and Shihezi sub-formations in the Liuqing-1 well drilled in the Lingwu area in the western part of the basin and caused great concern in this area. In 1975, the Ministry of Geology re-launched in the northern part of the basin to carry out a survey of regional earthquakes, drilling a total of 11 well drills, of which 1 wells won the Nissan tens of thousands of cubic meters of natural gas and a small amount of crude oil, rocks Bayou sets south of the sea The discovery of oil and gas for the first time in the Upper Paleozoic in the area (Well Yi 3)