For additional information on our Wear Knot™ Drill Pipe offerings - please
click here to download our brochure.
RDT's Wear Knot™ Drill Pipe solves the problem of premature tube wear seen in today's aggressive drilling applications and also achieves faster penetration rates in unconventional shale plays.
SPECIFICATIONS OVERVIEW:
- Integral Wear-Knot™ design - field proven
- Solves middle tube OD wear
- Adds stabilization to joint in well bore
- Enables faster penetration rates in directional and horizontal wells
- Substantial increase in Drill Pipe tube life
- Available in all API, Double Shoulder (DS) and high torque connections
- Available in all API and Sour Service grades
Wear-Knot™ Drill Pipe Dimensions
The Following dimensions are API cominal common sizes and can be changed due to customer request or other connection configurations:
| DP Size |
Weight |
Range |
Tool Joint |
A |
B |
| 4" |
14# |
II or III |
4-7/8" OD x 2-7/16" ID |
4-1/2" |
12" |
| 4" |
15.7# |
II or III |
5" OD x 2-7/8" ID |
4-1/2" |
12" |
| 4-1/2" |
16.6# |
II or III |
6-1/4" OD x 3-1/4" ID |
5-1/2" |
12" |
| 5" |
19.5# |
II or III |
6-5/8" OD x 3-1/4" ID |
6" |
12" |
| 5-1/2" |
21.9# |
II or III |
7-1/4" OD x 3-1/2" ID |
6-1/2" |
12" |
A = Wear-Knot™ OD
B = Wear-Knot™ ID