井口

• Land the bop onto the well head
  下防喷器到井口。
• Land the bop onto the well head
  座防喷器到井口头
• Boil - weebil tubing head
  易于联在井口中的油管头
• Buckling - up - installing wellhead
  扣装法抢装井口
• Function test wellhead
  对井口头进行功能试验
• Let ' s assume a two - foot square opening and a ledge width of 1 - 1 / 2 inches
  让我们假设井口有两英尺见方，井缘宽度1 - 1 / 2英寸。
• The hole lost returns
  井口不返泥浆
• Development of auto - adjusting sealing device of polished rod used on heavy oil thermal recovery wellhead
  稠油热采井口光杆自动调偏密封装置
• Comprehensive fuzzy decision adopted in alternatives evaluation in locating the pithead building
  论模糊综合决策在煤矿井口位置方案比较中的应用
• An old basket , used for descending , was hanging there , fastened by a worn rope
  井口有一个用来载人上下的旧筐子，用一根已磨损的旧绳子吊在那里。