Most of people considered that the natural gas in Jurassic in Baimamiao gas field in West Sichuan Basin came from the coal measure strata of Upper Triassic in the past.
川西地区白马庙气田侏罗系的天然气，以往大都认为是来自上三叠统煤系地层，但对具体来源于上三叠统哪一个层位却存在较大的分歧。
The article introduces the principle, features and procedures of joint operation techniques of overpressure perforating and sand fracturing, and its application in Baimamiao gas field.
文章介绍了超正压射孔与加砂压裂联作的工艺技术原理、技术特点、工艺流程，以及该联作技术在白马庙气田的应用。
Penglaizhen Formation gas reservoirs of Baimamiao field belongs to the lithological gas reservoirs in the structural background, and also tight sandstone gas reservoir.
白马庙蓬莱镇气藏属构造背景上的岩性气藏，也是以次生溶孔为主的致密砂岩体次生气藏。
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