English 
日本語 
français 
Español 
русский 
português 
العربية 
tiếng việt 
ไทย 
Polska 
română 
El taladro de conexión de la parte superior de la cabeza circular, el tubo de conexión inferior.Para reciclar el lodo antes de curarlo.A veces puede cambiarse la cabeza de cemento elevando la cabeza rotatoria.
Ninguna- 0 1234, 567, 890 parámetros técnicos principales del ciclo 1234, 567, 890
| Size (in) | Body OD Size(mm) | ID size (mm) | Top box conn | Bottom Pin Conn | Length (mm) | W.P. psi |
| 4" | 121 | 70 | 3½" IF | 4" Casing thread | 600 / 915 | 10000 |
| 4½" | 121 | 70 | 3½" IF | 4½" Casing thread | ||
| 5" | 128 | 70 | 3½" IF | 5" Casing thread | ||
| 5½" | 145 | 70 | 3½" IF | 5½" Casing thread | ||
| 5¾" | 148 | 70 | 3½" IF | 5¾" Casing thread | ||
| 6⅝" | 178 | 100 | 4½" IF | 6⅝" Casing thread | ||
| 7" | 179 | 100 | 4½" IF | 7" Casing thread | ||
| 7⅝" | 195 | 100 | 4½" IF | 7⅝" Casing thread | ||
| 7¾" | 198 | 100 | 4½" IF | 7¾" Casing thread | ||
| 7⅞" | 202 | 100 | 4½" IF | 7⅞" Casing thread | ||
| 8⅝" | 222 | 100 | 4½" IF | 8⅝" Casing thread | ||
| 9⅝" | 270 | 100 | 4½" IF | 9⅝" Casing thread | ||
| 9⅞" | 270 | 100 | 4½" IF | 9⅞" Casing thread | ||
| 10¾" | 275 | 100 | 4½" IF | 10¾" Casing thread | ||
| 11¾" | 300 | 100 | 4½" IF | 11¾" Casing thread | ||
| 12¾" | 326 | 100 | 4½" IF | 12¾" Casing thread | ||
| 13⅜" | 342 | 100 | 4½" IF | 13⅜" Casing thread | ||
| 13⅝" | 348 | 100 | 4½" IF | 13⅝" Casing thread | ||
| 16" | 410 | 100 | 4½" IF | 16" Casing thread | ||
| 16¾" | 428 | 100 | 4½" IF | 16¾" Casing thread | ||
| 18⅝" | 475 | 100 | 4½" IF | 18⅝" Casing thread | ||
| 20" | 510 | 100 | 4½" IF | 20" Casing thread |
0531-69959201
lqg18653457231
+86 18653457231
Zhongrun Century Center, No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China
