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我国古代史籍中对天然气苗有许多确凿的记载。东汉班固的《汉书·郊祀志》有:“汉宣帝神爵元年,祠天封苑火井于鸿门”,《地理志》中固班自注:“有天封苑火井祠,火从地中出”。北魏郦道元著《水经·河水注》中引东汉应劭《地理风俗记》云:“圁(yin)阴县西五十里有鸿门亭,天封苑火井庙火从地中出”。鸿门、圁阴均位于今陕北神木县与内蒙按壤处。上述史实确凿说明,西汉时期已在此发现了气苗。最近,有人认为该地含油层(有油苗出露)属上三叠统延长组,而将其视为油田伴生气或油型气。笔者据野外地质调查认为,该地侏罗系和三叠系的成油条件不好,而侏罗系煤层发育,盛产优质无烟煤。因
Ancient Chinese history of natural gas Miao there are many conclusive records. Eastern Han Ban Gu’s “Han Dynasty Jiasi Zhi” are: “Emperor Han Emperor Xuan Emperor the first year, the temple Tianfengyuan wells in the door”, “Geography” in the solid class since the note: “There are days Feng Court fire temple, Fire out of the ground. ” In the Northern Wei Dynasty Taoist Yuan with the “water through the river Note” cited the Eastern Han should 劭 “Geography” in mind: “圁 (yin) Yinshen West fifty miles Hongmen Pavilion, Tianfu Garden fire temple fire from the ground” . Hongmen, 圁 Yin are located in this county and Inner Mongolia Shenmu County according to the soil. The above facts show that the Western Han Dynasty has found the gas here. Recently, some people think that the oil-bearing layer in this area (with oil sprouts being exposed) belongs to the Triassic Yanchang Formation and is regarded as associated gas or oil gas in the oilfield. According to the field geological survey, the author believes that the oil-forming conditions of the Jurassic and Triassic in this area were not good, while the Jurassic coal seam developed and rich in high-quality anthracite. because