Toutunhe formation is one of the main oil reservoirs formations in SN large lithologic oil and gas field in Luxi region in belly of Junggar basin.

• 摘要头屯河组是准噶尔盆地腹部陆西地区SN大型岩性油气田的主要油层组之一，由于井径垮塌严重，致使声波、密度测井曲线严重失真，制约了储层预测技术的应用。