Sigra provides a chain of measurement, analysis and design to deliver engineering solutions

What is Sigra?

Sigra is a privately owned company founded in 1994. It is based in Brisbane, Australia, and operates globally. Sigra is involved in all matters to do with the ground.

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What we do

Sigra delivers solutions to our clients in all matters related to the ground. We understand what we are dealing with, and we have the capability to examine and analyse it in detail.

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Guiding principles

Sigra’s guiding principle is to provide the best solutions possible to its clients. The solution must be feasible, sustainable, appropriate and economically sound.

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Exploration to mine design and operation. Specialising in gas, water and geotechnical aspects. Also covering ventilation and outburst management.

Site investigation specialising in stress measurement, fluid pressure and rock properties. Effective stress-based design specialising in anisotropic, nonlinear rock.

Efficient and accurate exploration methods utilising petroleum reservoir engineering techniques. Design of dewatering for slopes, excavations and underground openings. Deep piezometers.

Stress measurement and rock property determination. Opening and support design, and energy absorbing designs to control rock bursts.

Total exploration programmes to production design of coal seam gas (CBM). Resource and reserve estimates. Gas content measurement for all rocks by coring and open hole gas capture systems.

Design and supervision of exploration/site investigation programmes. Design of directional holes for exploration or production. Manufacture of well control, managed pressure drilling systems and inflatable packers.


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