|
钻杆母螺纹 drilling pipe box thread |
套管螺纹 casing thread |
水眼borehole |
长度 length(mm) |
|
NC38 |
5″偏梯扣BTC |
57 |
400 |
|
5″长圆扣LTC |
|||
|
5″短圆扣STC |
|||
|
NC38 |
5″偏梯扣BTC |
57 |
400 |
|
5-1/2″长圆扣LTC |
|||
|
5-1/2″短圆扣STC |
|||
|
NC50 |
7″偏梯扣BTC |
71 |
460 |
|
7″长圆扣LTC |
|||
|
7″短圆扣STC |
|||
|
NC50 |
9-5/8″偏梯扣BTC |
71 |
460 |
|
9-5/8″长圆扣LTC |
|||
|
9-5/8″短圆扣STC |
|||
|
NC50 |
10-3/4″偏梯扣BTC |
71 |
480 |
|
10-3/4″长圆扣LTC |
|||
|
10-3/4″短圆扣STC |
|||
|
NC50 |
13-3/8″偏梯扣BTC |
71 |
480 |
|
13-3/8″长圆扣LTC |
|||
|
13-3/8″短圆扣STC |
