A .10min
B .20min
C .25min
D .30min
[单选题]注水泥塞施工,水泥塞试压时间不应少于()。A .3minB .2minC .1minD .30min
[单选题]浅井注水泥塞施工管线试压()。A .2MPaB .10MPaC .5MPaD .25MPa
[单选题]注水泥塞施工,水泥塞试压压降不超过()为合格。A .0.3MPaB .0.5MPaC .1MPaD .1.5MPa
[单选题]尾管注水泥施工作业,在注水泥前循环洗井不少于()周。A . 1B . 2C . 3D . 4
[单选题]注水泥塞施工时,水泥塞厚度一般应在()以上A . 5mB . 10mC . 15mD . 25m
[单选题]在φ139.7mm套管内注水泥塞,水泥塞试压压力为()。A .10MPaB .12MPaC .15MPaD .20MPa
[单选题]注水泥塞地面管线试压(),不刺不漏为合格。A .20MPaB .25MPaC .30MPaD .35MPa
[判断题] 按其注水泥塞位置来分为有底水泥塞、有支撑水泥塞和悬空水泥塞。A . 正确B . 错误
[判断题] 在φ177.8mm套管内注水泥塞,水泥塞试压压力为12MPa。A . 正确B . 错误