本刊讯　近日 ,位于内蒙古白音查干凹陷南部斜坡带的达 14 - 4井喜获日产 15 m3的工业油流。该井在 4 85 .6～ 5 0 2 .5 m井段钻遇油层 7.3m(4层 ) ,油层位于都红木一段 砂组 ,平均孔隙度为 2 8% ,物性好。达 14 - 4井的钻探成功 ,证实了白音查干凹陷存在油气富集区达14-4井喜 Recently, the No. 14-4 well located in the southern slope of the Baiyinchagan depression in Inner Mongolia won the industrial oil flow of 15 m3 per day. The well drilled 7.3m (4 layers) of oil layer in interval of 4.65-6.02.02 m and the oil layer was located in a sand group of all mahogany with an average porosity of 28% with good physical properties. Successfully drilled to wells 14-4 confirmed the presence of oil and gas enrichment zone of Baiyinchagan depression up to 14-4