Drilling Trepanning, Boring and Reaming

Bespoke equipment to meet specific machining requirements

Glacier has an extensive range of drilling, trepanning and boring equipment capable of machining various applications.

From pneumatically driven drilling and tapping equipment to line boring equipment capable of boring upto 1.4m diameter, Glacier has the equipment and skilled personnel to provide any machining solution that may be required.

Case Studies

Customer Type

Oilfield Service Company


FPSO located in Nigeria

Project Summary

Line boring of GEC Cooler Bore A & B at 1,395mm Bore Diameter

Challenge Set By Customer

The customer, within a very short time frame, required two off cooler bores (1395mm ID) machined to a rework dimension specified by client and within a tolerance of 0 + 0.004”.

Due to the size and division plate within the bore, this scope required specialist equipment with bespoke modifications to achieve the client requests.

The shutdown was expected to cost around $8 million per day, making this a high priority scope which had to meet its deadlines.


Within weeks of receiving the enquiry and LOI, Glacier designed, manufactured and mobilised specialised equipment to suit the application. Technicians were then mobilised with the equipment to Nigeria. Working on a rotational pattern the work was completed, 3rd party inspected and passed within weeks of receiving the original enquiry. The project was completed to customer satisfaction and within shutdown timescale.

This was the first successful project of this type onboard an operating FPSO in West Africa.


Due to the experience, expertise and quick response from Glacier the customer was able to commence further operations and with significant savings on the shutdown.

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