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The Leopard combines the advantages of a pre-loaded, thread-type connector with the rapid make-up desired for offshore operations. It has strength characteristics equivalent to those of the conductor.
The Leopard has a high cone angle and is available in a twin or four start thread. When stabbed, the box swallows approximately 90% of the pin length. The stabbing guide prevents cross-threading. Full make-up is achieved in less than half a turn with a four start thread and less than one turn for a two start thread. The required make-up torque is 45,000 ft-lb for a 30" connection.
To prevent back-off during driving and to permit the connection to transmit torque, integral anti-rotation tabs can be engaged using a hand-held Hilti gun or manual shear tool. Use of the anti-rotation tabs increases breakout torque to as high as 90,000 ft-lb, depending on the number of tabs engaged.
Leopard connectors are typically made from 60ksi material for normal operations and 80ksi for driving applications. Alternate material options are available on request. |
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To view the Tubular Connection Systems Brochure & Contacts, click on the corresponding link below:
Tubular Connection Systems Brochure
Tubular Connection Systems Contacts
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Oil States Industries, Inc.
Oil States International, Inc.