• DPM – DS (DOUBLE SHOULDER ROTARY CONNECTIONS)

Overview

DP – Master DS Connections

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DP-Master has engineered, tested and acquired industry approval for two types of double-shouldered connection.  The DS connection is a generic API double shoulder connection, which is widely used throughout the industry in extended reach drilling.  The MT connection is an enhanced DS connection with additional 25% torsional strength allowing clients to drill the most challenging wells.

Performance

DPM-DS connection offers higher strength capability than API connections in all aspects

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- Up to 40% more torsional strength than API through the high strength secondary make-up shoulder absorbing high frictional load

- Streamlined OD / ID geometry for improved hydraulic performance or fishing ability without compromising torsional capacity

- DPM-DS pin and box connection made up to a smooth ID transition to allow smoother fluid flow with minimized turbulence and energy loss inside the connection. The tendency for mud or cement trap in crevices are eliminated.

- Fully interchangeable with new or used tool joints and accessories with API connections


Characteristics

DPM-DS connection is available in drill pipe sizes from OD 2-3/8’’ to 6-5/8’’. Other sizes are available upon request. The connection is also available in a wide range of steel grades including sour service and high strength.

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Certifications


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