English 
日本語 
français 
Español 
русский 
português 
العربية 
tiếng việt 
ไทย 
Polska 
română 
Roller reamer is designed for various reaming operation. It can be used in hard formation or abrasive formation, in order to keep the standard hole size. When the drill bit wears and under the standard size, roller reamer can ream the bottom well and recover to standard hole size. Whether drilling the vertical well or directional well, three-roller reamer can ensure the following drill bit or casing run into the normal hole size. The features of roller reamer are low frictional resistance with well wall, strong abrasive resistance and long service life.
Model | Working OD | ID | Body OD | OAL | Roller OD | Roller Length | Connection |
mm (inch) | mm (inch) | mm (inch) | mm (ft) | mm (inch) | mm (inch) | ||
GL149 | 149.2(5-7/8) | 31.8(1-1/4) | 120.7(4-3/4) | 1400 (4.6) | 46(1-13/16) | 200 (7-7/8) | NC38 |
GL152 | 152.4 (6) | 31.8(1-1/4) | 120.7(4-3/4) | 1400 (4.6) | 50.8 (2) | 200 (7-7/8) | NC38 |
GL216 | 215.9(8-1/2) | 44.5(1-3/4) | 165(6-1/2) | 1730 (5.7) | 71.4 (2-13/16) | 200 (7-7/8) | NC50 |
GL311 | 311.15(12-1/4) | 71.4(2-13/16) | 203 (8) | 1900 (6.2) | 100 (3-15/16) | 300 (11-13/16) | 6-5/8REG |
GL444 | 444.5(17-1/2) | 76.2 (3) | 229 (9) | 2200(7.2) | 140 (5-1/2) | 304 (12) | 7-5/8REG |
GL559 | 558.8(22) | 76.2 (3) | 241.3(9-1/2) | 2667 (8.8) | 158 (6-7/32) | 400 (15-3/4) | 7-5/8REG |
GL660 | 660.4(26) | 76.2 (3) | 241.3(9-1/2) | 2867 (9.4) | 178 (7) | 400 (15-3/4) | 7-5/8REG |
GL711 | 711.2 (28) | 76.2 (3) | 241.3 (9-1/2) | 2867 (9.4) | 178(7) | 400 (15-3/4) | 7-5/8REG |
0531-69959201
lqg18653457231
+86-18653457231
No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China
Professional customer service team, professional after-sale services create a comprehensive high-quality, advanced technology, reliable products, which gives you a strong sense of security.
Professionals, professional skills and precision equipments insure that we can provide you with professional product customization service.
The best quality products, strict quality control system and good reputations established Saigao product's irreplaceable place.
Superb technical team with continuous technological innovation, closely follow the market's trend help you to create the highest performance products.
