Scope

ICR was approached by a major North Sea operator to design and manufacture a bespoke, permanent Injection Pump Package for dosing of Sodium Hypochlorite to four seawater lift pump caissons on a UKCS Platform.

Solution

ICR supplied a package with 4‐off air driven, API-675 dosing pumps for Sodium Hypochlorite dosing to respective seawater lift pump caissons. Each pump was served by a dedicated Solenoid Valve (SOV) to start / stop pump on signal from platform Integrated Control and Safety System (ICSS).

The package included a back‐pressure control valve on each pump discharge line to prevent syphoning of the sodium hypochlorite solution from existing hypochlorite storage tank.

The package comprised of the following:

1 of painted carbon steel base frame c/w titanium drip tray
4 off (4 off duty) Williams Milton Roy CRLD200-TI-TFE air driven hydraulic actuated diaphragm chemical injection pumps
Process tubing, fittings, and wetted metallic parts supplied in Grade 2 Titanium.
Suction manifold incorporating all valves, suction filter for each pump and common calibration pot
Discharge lines for each pump incorporating a pressure relief valve (PRV) routed to pump suction, pressure indicator, back pressure control valve and isolation valve
Air manifold incorporating isolation valves, filters, and regulator
Pneumatic installation on the package incorporating 4‐off SOVs (each supplied with manual override) on each pump supply (for individual pump start/stop control)
Instrument junction box, located at skid edge to facilitate connection of client cabling

Results & Benefits

Fully assembled package delivered to site, minimising hook-up, and onsite work requirements
Bespoke package designed, built and fully tested to meet client specifications and process parameters.