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Jar Components

Rainbow has all in house capabilities to manufacture or recondition jar components depending on customer designs and specifications. Commonly serviced components include

  • Mandrels (Bearing, Spline, knocker, mandrel extensions & Others)
  • Housings (Pressure cylinders, knocker, spline & others)
  • Wash pipes
  • Fishing Tools

In many cases, standard specifications cannot be achieved due to deep damages by corrosion, wear or other factors, in such cases Rainbow can offer non-standard cost effective coating solutions to repair such components to avoid the cost of replacing the equipment.

Please contact us in case of any requirements that you may have.

Mandrels & Wash Pipes

Rainbow houses CNC machines, Thermal spray equipment & electroplating capabilities that allows us to provide entire range of services from manufacturing to repair of damaged mandrels or wash pipes. Most commonly Rainbow provides recoating of Tungsten carbide of damaged existing coatings giving the mandrel a new life for operation. The following coating processes are commonly applied on mandrels:

  • Tungsten Carbide Coating by HVOF process
  • HEEF Chrome plating
  • Nickel Sulphamate HEEF chrome plating
  • Shock Tools
  • Completion Tools

Rainbow can also upgrade existing mandrels that may have been manufactured with Hard-chrome plating to tungsten carbide coating which has proven to provide better corrosion and wear protection in the unforgiving conditions of the drilling industry. In case of deep damages on the coating area of mandrel, Rainbow can offer cost effective repair solutions for such damages. Rainbow can also carry out re-chasing of connections under the API monogram.

Housings

Rainbow houses CNC machines, Thermal spray equipment & Electroplating capabilities that allows us to provide entire range of services from manufacturing to complete repair of damaged housings. Most commonly Rainbow provides re-chroming of damaged existing chrome giving the housing a new life for operation. Rainbow has developed an in house coating process that can repair damages in housings of up to 2.5mm helping to keep our customer costs low by avoiding the cost of replacing the housing.

Common coatings offered are:

  • Tungsten Carbide Coating by HVOF process
  • HEEF Chrome plating
  • Nickel Sulphamate HEEF chrome plating
  • Nickel Chrome by arc spray process