Scale Squeeze

The Calder range of electric motor driven high pressure reciprocating plunger pump units are designed and built primarily for the Oil & Gas industry for operation in hazardous and non-hazardous locations; Onshore fields from the Siberian Arctic to the Kuwait desert; Offshore facilities from northern Norwegian waters to Asian and African tropical oceans. The pump packages are designed to deliver fixed or variable flows at a range of pressures to meet the most challenging well conditions.

The deposition of mineral scale in down-hole systems is a problem in many water producing wells. Speciality products are used to inhibit all types of oil-field scale (calcium carbonate, calcium sulphate, barium sulphate and strontium sulphate).

Scale build-up can block flow by clogging perforations or forming a thick lining in production tubing. It can also coat and damage down-hole completion equipment such as safety valves and gas-lift mandrels. The build-up of scale causes a significant threat to production rates and in the most severe instances, there can be a total loss of production or fluid flow in a matter of hours.