顶部驱动器技术参数：
The Specification of Top Drive（Upper/Lower Safety Valves）
|
型号Type |
外径 O.D. mm (inch) |
内径I.D. mm (inch) |
连接螺纹 Connection API |
总长 Overall Length mm (inch) |
|
DXS187顶驱上阀 Upper IBOP |
187 （7 23/64） |
77.8 (3 1/16) |
6 5/8REG |
572 (22 1/2) |
|
DXS187顶驱下阀 Lower IBOP |
523 (20 19/32) |
|||
|
DXS197顶驱上阀 Upper IBOP |
197 (7 3/4) |
77.8 (3 1/16) |
6 5/8REG |
572 (22 1/2) |
|
DXS197顶驱下阀 Lower IBOP |
523 (20 19/32) |
|||
|
DXS216顶驱上阀 Upper IBOP |
216 (8 1/2) |
77.8 (3 1/16) |
7 5/8REG |
600 (25 5/8) |
|
DXS216顶驱下阀 Lower IBOP |
512 (20 5/32) |
|||
|
DXS254顶驱上阀 Upper IBOP |
254 (10) |
102 (4) |
8 5/8REG |
800 (31 1/2) |
