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2011年10月6日,吐哈油田公司红台21井在侏罗系三工河组3700～3712m井段压裂获工业油气流,5mm油嘴最高日产油4.55m3、产气3648m3,标志着吐哈红台地区下侏罗致密砂岩气勘探取得重要进展。红台21井是一口预探井,主要目的是探索水西沟群的含油气性。今年年初,吐哈油田证实台北凹陷小草湖洼陷水西
On October 6, 2011, the well Hongtai-21 of Tuha Oilfield Company fractured industrial oil and gas flow in the 3700 ~ 3712m well section of the Sangonghe Formation of Jurassic. The maximum daily oil production of 4.55m3 and the gas production of 5mm nozzle were 3648m3, Significant progress has been made in exploration of tight Jurassic sandstone gas in Ha-Hongtai area. Well Hongtai 21 is a pre-exploratory well, the main purpose of which is to explore the hydrocarbon-bearing properties of Shuixigou Group. Early this year, Turpan-Hami Oilfield confirmed that the depression in the Xiaokushu Lake, Taipei, west