Heavy Weight Drill Pipe (HWDP) is an intermediate weight drill stem component that is used in conjunction with the drill pipes and drill l collars. JX Petro HWDP is
available in standard, spiral, and nonmagnetic designs. In some applications, heavy-weight drill pipes also can be used instead of the drill collars.
Our HWDP is made from one-piece AISI 4145H modified quenched and tempered steel. It is designed for tough drilling environments in vertical and directional wells. HWDP is a transition member between drill collar and drill pipe. For directional holes, HWDP provides weight on-bit and additional stiffness to prevent buckling.
|Size (in)||O.D. (in)||I.D. (in)||Tool Joint O.D. (in)||Tool Joint I.D(in)||Thread||Max.elevator dia (in)||Central upset dia.(in)||Min.drift dia. (in)|
|3-1/2||3-1/2||2-1/4||4-3/4 (4-7/8, 5)||2-1/4||NC38||3-7/8||4||2|
|5-1/2||5-1/2||3-1/4||7 (7-1/4, 7-1/2)||3-1/4||5-1/2 FH||5-11/16||6||3|
|6-5/8||6-5/8||4||8 (8-1/4, 8-1/2)||4||6-5/8 FH||6-15/16||7-1/8||3-3/4|