中国石油川庆钻探刷新国内定向井最深取芯纪录

新浪财经02-10

来源：上海证券报·中国证券网上证报中国证券网讯（记者李雁争）近日，中国石油川庆钻探钻采科技公司在塔里木盆地的一口重点井的9202.5米深处完成取芯作业，刷新了国内定向井最深取芯纪录。与常规直井取芯相比，超深定向井取芯受限于井眼轨迹复杂、摩阻扭矩大、地层岩性多变等难题，且塔里木盆地奥陶系鹰山组碳酸岩裂缝发育好、易漏易碎，对工具稳定性、钻井参数控制都提出了极高要求。钻采科技公司针对超深井定向井设计的...

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