The formation of Lukeqin structure belts oil reservoirs have two periods at least; the first is Late Triassic to Lias which is important period for petroleum migration and accumulation, and the latter is Late Cretaceous period.

• 鲁克沁构造带三叠系油藏烃类注入至少有两期，早期为晚三叠世－早侏罗世，晚期是晚白垩世，并以早期注入为主。