Lesson 24 Drilling System

KeywordsandExpressionsWellobjective:钻井目标Wellplanning:油井设计Rigselection:钻机选择Rotarydrilling:旋转钻井Drillstring:钻柱Drillingfluid:钻井液PDCbit(polycrystallinediamond　cutter):人造金刚石钻头Hoisting:提升Circulation:循环Casing:套管Cementing:固井Drillingcost ......（本文共 12244 字 ）     [阅读本文] >>