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First deepwater flowmeter with retrievable instrument packs

August 22, 2006
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Solartron ISA, a business unit of AMETEK Process & Analytical Instruments, offers a retrievable instrument pack that allows operators to remove and replace DP (Differential Pressure) transmitters using an ROV (Remotely Operated Vehicle). The first units (9 off) of this new system currently are being supplied to a deepwater project offshore Nigeria that includes both water injection and gas injection flowmeters. The system typically consists of a flow meter, seven-valve manifold, inboard plate and outboard instrument pack, including DP transmitters. Necessary ROV tooling can be rented or purchased. Options include hot stab methanol injection for flushing through the impulse pipe work from the inboard plate to the flowmeter. Each instrument pack is supplied with 2 off DP transmitters for redundancy. That allows operators to continue measurement using a single transmitter until the retrieval/replacement of the instrument pack can be handled as a routine intervention. The ROV instrument pack is suitable for water depths of 3000 meters (10,000 feet). Solartron ISA will provide specific installation requirements for optimum configuration based on individual project needs.

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