High pressure washpipe assembly with integral lubricant reservoir

The washpipe assembly shown below has been developed for 7,500 psi service at 200 rpm, and has a three inch bore. In order to achieve this level of performance, the assembly separates the abrasive exclusion function from the pressure sealing function, provides a better way of accommodating washpipe misalignment and runout, and employs a new, […]

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