Fmc Corporation

Charles R Ortloff

Michael R Williams

Tep Ungchusri

John C Vicic

Thomas James Dorsch

Lee A Gillette

A consumable probe is installed in an elbow zone of a well. The consumable probe is subject to ablation caused by abrasive particles suspended in the fluid being transported by the conduit. As the probe is ablated pressure sensitive chambers will be exposed and the pressure in the conduit will pressurize the pressure sensitive chambers and signal a readout station in a position remote from the location of the probe in the conduit.

Subsea wellhead mechanical erosion detector

In combination with a dual elbow swivel joint having a female elbow member rotationally coupled to a male elbow member, the invention comprises an orientation device having an angle marker located on one elbow member and an indicator mark located on the other elbow member. The angle marker contains a number of angle markings located at predetermined angles measured from the central axis of the elbow member. The indicator mark is placed on the other elbow member in a location such that, when aligned with an angle marking, the elbow members are in a predetermined angular orientation relative to each other. The angle markings on the angle marker each have a length which is related to the amount of wear that has been found to occur in the dual elbow swivel joint when the female and male members are oriented at that particular angle. Thus, the orientation device enables an operator to orient the female and male elbow members at an angle at which the dual elbow swivel joint will experience the least amount of wear.

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Los Gatos, CA, United States of America

Charles R Ortloff