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Roschen Global
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HWDP 5 1/2
ROSCHEN
ROS-HWDP-5 1/2
Product Description
Heavy Weight Drill Pipe 5 1/2 inch Connection 5 1/2 FH
Standard HWDP was developed to provide a gradual transition from heavy drill collars to relatively lightweight drill pipe.
This intermediate-weight pipe has a wall thickness of approximately 1 in. and helps prevent stress concentration at the top of the drill collar section. Heavy weight drill pipe also enables drilling at higher RPMs, reducing torque and differential pressure sticking.
Heavy weight drill pipe is well-suited for directional drilling applications. Because it bends easily, heavy weight drill pipe simplifies directional control and minimizes connection fatigue problems that are common in high-angle or horizontal drilling.
For extended reach and horizontal wells, high-strength heavy weight drill pipe is often used high in the hole to apply weight on the bit. This is especially true for wells in which the total vertical depth to total measured depth ratio is low.
Nominal Size (Tube OD) | Tube | Tool Joint (in) | ||||
ID (in) | Elevator Upset | Center Upset | Connection Type & Size | OD (in) | ID (in) | |
2-7/8 | 1-1/2 | 2-15/16 | 3-5/16 | NC 26 (2-3/8 IF) | 3-3/8 | 1-1/2 |
3-1/2 | 2-1/16 | 3-7/8 | 4 | NC 38 (3-1/2 IF) | 4-3/4 (4-7/8,5) | 2-1/16 |
3-1/2 | 2-1/4 | 3-7/8 | 4 | NC 38 (3-1/2 IF) | 4-3/4 (4-7/8,5) | 2-1/4 |
4 | 2-9/16 | 4-3/16 | 4-1/2 | NC 40 (4FH) | 5-1/4 | 2-9/16 |
4 | 2-1/2 | 4-3/16 | 4-1/2 | NC 40 (4 FH) | 5-1/4 | 2-1/2 |
4-1/2 | 2-3/4 | 4-11/16 | 5 | NC 46 (4 IF) | 6-1/4 | 2-3/4 |
4-1/2 | 2-11/16 | 4-11/16 | 5 | NC 46 (4 IF) | 6-1/4 | 2-11/16 |
4-1/2 | 2-13/16 | 4-11/16 | 5 | NC 46 (4 IF) | 6-1/4 | 2-13/16 |
5 | 3 | 5-1/8 | 5-1/2 | NC 50 (4-1/2 IF) | 6-5/8 | 3 |
5-1/2 | 3-1/4 | 5-11/16 | 6 | 5-1/2 FH | 7 (7-1/4,7-1/2) | 3-1/4 |
5-1/2 | 3-3/8 | 5-11/16 | 6 | 5-1/2 FH | 7 (7-1/4,7-1/2) | 3-3/8 |
5-1/2 | 3-7/8 | 5-11/16 | 6 | 5-1/2 FH | 7 (7-1/4,7-1/2) | 3-7/8 |
5-1/2 | 4 | 5-11/16 | 6 | 5-1/2 FH | 7 (7-1/4,7-1/2) | 4 |
6-5/8 | 4 | 6-15/16 | 7-1/8 | 6-5/8 FH | 8 (8-1/4,8-1/2) | 4 |
6-5/8 | 4-1/2 | 6-15/16 | 7-1/8 | 6-5/8 FH | 8 (8-1/4,8-1/2) | 4-1/2 |
6-5/8 | 5 | 6-15/16 | 7-1/8 | 6-5/8 FH | 8 (8-1/4,8-1/2) | 5 |
Standard Features | API Bore Back Box Connection | |||||
API Stress Relief Grooved Pin | ||||||
Cold Rolled Thread Roots | ||||||
Phosphate coated connections | ||||||
Options | Internal Plastic Coating | |||||
Hardband Type especially on box and pin tool joint | ||||||
Proprietary Connections | ||||||
Make and Break Test | ||||||
Protection | Pressed steel thread protectors | |||||
Mill Test Certificates | Issued in accordance with API Spec 7/7-1 and API RP7G . | |||||
Third Party Inspection can be performed on request at buyer’s care and expense. | ||||||
Our high-strength grades help you drill safer and deeper with reduced hook loads and improved hydraulics. Our sour service grades deliver outstanding performance while resisting sulfide stress cracking , helping you drill safely and efficiently in harsh, sour conditions.
our mission is to increase efficiency, improve performance, and reduce your total cost of ownership. From the design room to the wellsite, we produce the industry’s highest-quality, innovative drill pipe technologies that will help you achieve lasting success.
With our worldwide operations, expert engineering and design resources, and global service network, we are the source for all your drill stem needs.
For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
