摘要
联38块位于江苏省江都区韶关乡境内,目的层为戴一段,储层埋深在3200-3900m。钻井难点是戴南组组泥岩易垮塌,导致划眼、完井电测遇阻等故障。为解决该区块井壁失稳现象,使用了具有较强抑制防塌性能的胺基钻井液体系,使用井井径规则,机械钻速得到大幅度提高,钻完井周期均不同程度减少。
The block lian 38 is located in shaoguan,jiangdu District,Jiangsu province.The target layer is Dainan formation,deepth 3200-3900 meter.In order to solve the instability,reaming and E-logging problem in Dainan formation;The amine drilling fluid system has been used in this block.This drilling fluid system has strong inhibition can prevent the hole collapse and get caliper rules,high ROP and reduce drilling cycle.
关键词
井壁稳定
强抑制性
胺基钻井液
amine drilling fluid
strong inhibition
wellbore stability
