Pressure equalisation pump package in test bay

Calder to Build Pressure Equalisation Pump for BP Hod

July 2020

Along with our sister company, PG Flow Solutions, Calder will supply pump packages to Aker BP for the Wellhead Platform Alliance. The equipment will be used on the normally unmanned wellhead platform in the North Sea Hod field development.

The scope of supply includes a variety of pumps. Calder will build the pressure equalisation pump package, whilst PG Flow Solutions will build freshwater, freshwater pressure, diesel transfer, and open drain pump packages. For more information see the PG Flow Solutions press release.

The pressure equalisation pump is of a field-proven design and will operate in ambient temperatures of -10°C to +25°C. The pump unit is designed to NORSOK standards with additional Aker BP specifications. The unit complies with NORSOK R-001, NORSOK L-001, NORSOK S-001, NORSOK M-630, API 674, and ATEX Zone 2.

This pump package will feature a Hammelmann reciprocating plunger pump, Pulsation damper which will be fitted to the suction and discharge pipework. The pump’s lubrication oil system includes pressure and temperature monitoring, and the lube system is cooled by blast air cooler. All tubing and fittings used on the skid are of 6Mo material.

Due to the stringent noise requirements, the unit has an acoustically attenuated, stainless steel, floor-mounted environmental enclosure.



 Pressure equalisation pump package Pressure equalisation pump package

Pressure equalisation pump packagePressure equalisation pump package

Interior detail pressure equalisation pump package



Call or email to discuss your requirements +44 (0) 1905 759090 - sales@calder.co.uk


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