Heavy Weight Drill Pipe 3 1/2inch 26.10 Lb ft Connection NC-38

Heavy Weight Drill Pipe 3 1/2”, 26.10 Lb ft, Connection NC-38

A Heavy Weight Drill Pipe (HWDP) looks like a normal drill pipe except for an upset centered along the tube which helps to prevent excessive buckling.

HWDP is used as a transitional stiffness section, typically between the stiff and rigid drill collars and the relatively light and flexible drill pipe joints to reduce fatigue failures directly above the bottom hole assembly.

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.

Connection technologies

As the leader in the development of rotary-shouldered connections, our products are engineered to optimize drill pipe performance. With four generations of double-shouldered connections, we have developed technologies to meet the demands of any drilling challenge.

Grade technologies

ROSCHEN’s purposefully engineered drill pipe material grades provide increased product performance and integrity. 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 (SSC), helping you drill safely and efficiently in harsh, sour conditions.

Custom-engineered products

In addition to a complete line of drill stem products and accessories, we design, engineer, qualify, and produce fit-for-purpose solutions for specialized or unusually demanding drilling, completion, and intervention operations. With our portfolio of projects developed in partnership with operators, we are the premier provider of customized drilling solutions.

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ROSCHEN GROUP

ROSCHEN Group has the world class advanced equipment like 12000 tons forging, metal processing plant, heat treatment workshop, numerical control plant, Advanced five-axis machining center, etc. professional technical and skilled team to ensure mining, mineral tools, equipment products quality stable and reliable.

ROSCHEN Group Limited is a manufactory with years of research and development for the mining, mineral tools, equipment. We are capability to produce high performance world class products and control excellent quality. Our main product includes tricone bit, diamond core bits, drill pipe, core barrel, TCI tricone bit, mill tooth tricone bit, RC hammer, DTH bit, etc.

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