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TD International was invited to develop a shallow taper flush joint connection several years ago, mainly for CBM (Coal Bed Methane) producers in Australia, because the majority of the wells are highly deviated.

The TDFJ and the SFJ connection has proven to be a very robust and popular connection with the drilling contractors and operators especially when used with thin wall pipe.

There are some 20,000 joints of TDFJ and SFJ connections which have been successfully run over the past 10 years, with sizes ranging from 2-3/8” dia. through to 9-5/8” dia.

Data sheets for sizes 2-3/8” dia. through to 9-5/8” dia. available on request.

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