Heavy Weight Drill Pipe
Heavy Weight Drill Pipe (HWDP) provides a gradual transition from heavy drill collars to lightweight drill pipe. This intermediate-weight pipe has a wall thickness of approximately 1 inch.
Technical Specifications
Overview
Heavy Weight Drill Pipe Overview
This heavy weight drill pipe is engineered for demanding drilling operations, offering robust construction with options for both welded and integral designs. It features high-performance steel grades, including standard AISI 1340 and specialized sour service or non-magnetic options. Designed for durability, the pipe includes enhanced fatigue resistance features like cold-rolled threads and casing-friendly hardbanding, ensuring reliable performance in the field.
Dimensions & Geometry
Section Dimensions
24 in
Section Length
26 in
Wear Section Length
31 ft
Overall Length
- Pipe Body OD
- 2-7/8” to 6-5/8”
Construction & Materials
Steel Grades
- AISI 1340 (Pipe Body)
- AISI 4145H-modified (Tool Joints)
- ERS 425 (Sour Service)
- Amagnit 501 (Non-magnetic)
- Construction Type
- WeldedIntegral
Tool Joint & Performance
Fatigue Resistance Features
Cold-rolled threadsPin relief grooveBox bore-back
- Hardbanding Configuration
- 4” proud on pin/box OD, 1” flush on box taper
- Surface Treatment
- Phos-coating to prevent galling
- Connection Types
- API or High Performance Premium
