2026-04-09中国石油网消息：3月28日，渤海钻探广西BH50130钻井队在桂融地4井施工中顺利完成取芯作业，岩芯收获率达99.7%。China Oil News: On March 28th, the BH50130 drilling team of Bohai Drilling Company in Guangxi successfully completed the core sampling operation during the construction of the Guilongdi 4 well...