Overview
HWDP provides a critical transition zone between lighter drill pipe and heavier drill collars. Its intermediate weight reduces stress concentrations and provides additional weight-on-bit while maintaining flexibility in the drill string.
Technical Specifications
GradesS135
ConnectionsNC38, NC50
Outer Diameter3-1/2" to 5-1/2"
Wall ThicknessHeavy wall center section
Applications
BHA transition
Directional drilling
Extended reach wells
Horizontal drilling
Frequently Asked Questions
What is Heavy-Weight Drill Pipe (HWDP)?
HWDP provides a critical transition zone between lighter drill pipe and heavier drill collars. Its intermediate weight reduces stress concentrations and provides additional weight-on-bit while maintaining flexibility in the drill string.
What are the applications of Heavy-Weight Drill Pipe (HWDP)?
Heavy-Weight Drill Pipe (HWDP) is commonly used for: BHA transition, Directional drilling, Extended reach wells, Horizontal drilling.
What API standard applies to Heavy-Weight Drill Pipe (HWDP)?
Heavy-Weight Drill Pipe (HWDP) is manufactured according to API 5DP specifications.
Manufacturers
No manufacturers linked yet.