A . 乘积
B . 和值
C . 比值
D . 差值
[单选题]钻井液的终切力与初切力的差值越大,钻井液的触变性也就越()。A .小B .大C .不变D .不确定
[单选题]钻井液的终切力是钻井液静止()后所测得的切力。A .10sB .3minC .5minD .10min
[单选题]钻井液静止()min的切力称为初切力。A .1B .5C .10D .30
[判断题] 钻井液初切与终切的差值越大,触变性越弱。A . 正确B . 错误
[单选题]钻井液的终切力是钻井液静止()分钟后所测得的切力。A .1B .3C .5D .10
[单选题]钻井液的终切力是指钻井液静止()时所测的切力。A .7.5minB .1minC .10sD .10min
[单选题]钻井液的初切力是指钻井液静止()时所测的切力。A .7.5minB .2minC .1minD .10min
[单选题]钻井的初切力事故钻井液静止()后所测得的切力。A .10sB .3minC .5minD .10mi
[判断题] 钻井液静止1分钟后所测之切力称为初切力,用θ1表示。A . 正确B . 错误
[单选题]初切力是钻井液搅拌后静止()测得的静切力。A .2minB .1minC .10sD .20s