Development of Preservation Maintenance Plan for Valves

Photo of Sarin Kodappully, Patrick Ly, Eric Peng, Vivienne Zhang Students: Sarin Kodappully, Patrick Ly, Eric Peng, Vivienne Zhang

Sponsor: BP

Date: Spring 2013

The two most important guidelines are that the plan is economically feasible and the plan should preserve the functionality of the valve. Thus, the cost of the new recommended plan should not exceed the cost of the valve itself or the cost of industry standard preservation methods. In addition, the plan should account for the uncertainty of time in storage. BP may not be able to predict when the valves in storage will be needed. Therefore, the plan should be flexible to accommodate all time frames.

The deterioration of valves by corrosion at the Preservation and Maintenance Facility (PMF) is one of many financial burdens of BP operation. BP spends millions on valve repair and replacement annually. In addition, time is wasted ordering and repairing these valves, creating multi-million dollar project delays. The primary purpose of the project is to create a preservation and maintenance plan for all valves entering the PMF to prevent valve corrosion.

The final solution consists of two preservation plans for BP. The first "standard plan" uses several products including rust inhibitor sprays, shrink wrappings, moisture control desiccants and corrosion inhibiting tablets in combination. This plan is based on an industry-wide standard practice from Cameron but has been modified to be more cost efficient and effective. This plan is effective for all types of valves. The second "business critical plan" uses a high end powder coating on large valves while the standard plan is applied to the smaller valves. The high end coating will preserve the most important valves at a fraction of the cost of actual replacement or repair.

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