ROTARY REAMER
Rotary Reamer is designed for various reams in drilling operation. It can perform the double functions of centralization and reaming when drilling in very abrasive formations. This Rotary Reamer is a versatile tool which can be used for different hole sizes ranging from 4-5/8＂to 26＂by selecting proper rollers and simply adjust the blocks. In addition, the service life of the rotary reamer can be extended by replacing new rollers when the old rollers are worn and become smaller.
The rotary reamer body is made of modified alloy steel, fully heat treated to 285～341 Brinell hardness and 54J minimum impact strength. Connections are phosphated, coated with thread dope and equipped with thread protectors, and are accord with API standard.
Three different types (T, F and B) of rollers are offered:
Type T: For soft formations.
Type F: For medium hard formations.
Type B: For hard formations.
Specification:
| Hole Size | Connection | Overall Length (mm) | Neck OD (mm) | Roller Dia. (mm) | Roller Length (mm) |
| 26” | 7 5/8REG | 3000 | 254 | 178 | 400 |
| 17 1/2” | 7 5/8REG | 2200 | 228 | 140 | 304 |
| 12 1/4” | 7 5/8REG | 2000 | 228 | 100 | 300 |
| 8 1/2” | 4IF | 1720 | 165 | 71 | 200 |
* Other sizes available under customer needs.
Other drilling string products:
| PDC Drill bits | Stabilizer | Rotary Reamer |
| Mud Motor | Drill Collar | Heavy Weight Drill Pipe |
| Hole Opener | Drilling jar | Jar Intensifier |
| Shock Absorber | Slide Reamer | Variable Gauge Stabilizer |