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At times, it is necessary to perform testing downhole using a conventional drill string configuration as a conduit for tools. Intervention strings include an increased bore and are optimized to provide maximum drift. The 7-5/8” intervention string increases potential drift further than has been available with 6-5/8” pipe.
Landing operations can be accomplished using thick-walled
landing strings that are optimized for maximum tensile capacity. At times, the
string must be rated to several million pounds. This requires the right
configuration for a strong enough pipe body, connection, slip crushing
resistance and elevator capacity. Our new 7-5/8” Slip-Proof™ landing string can
be configured to come with a 3 million pound rating.
In drill string design, the tapered string configuration is
a popular option for maximizing true vertical depth. As the industry has found
ways to drill beyond what has ever been possible before, the need arose to add
a larger section to the tapered string. With the addition of 7-5/8” drill pipe,
wells can be drilled deeper than ever before.
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