Coal Seam Gas

CSG Consulting Services

Prospect Evaluation and Due Diligence

Prospect evaluation and due diligence is an integrated study aimed at determining or reviewing a region’s CSG prospectivity. It informs decision making on the viability of a given CSG project and includes:

  • Review of regional and local scale geological, surface, and subsurface maps to understand the extent of coal seams and their structure.
  • Evaluation of regional geological and geophysical data (gravity, magnetic and seismic data).
  • Evaluation of coal reservoirs, petrophysics, core analysis, well testing (DST and Production tests).
  • Gas production modelling including uncertainty analysis.
  • Compilation into a valuation model.

Well Scheduling and Gas Production Modelling

  • Covering both coal seam gas and coal mine gas utilisation
  • Provision of below ground inputs to the design of surface infra structure
  • Well operation parameters
  • Field well layout and sequencing
  • Gas production forecasting using SIMEDwin

Resource Certification

  • Compliance with SPE PRMS guidelines, which are globally recognised by the Oil and Gas industry.
  • Reporting of P1, P2, P3 reserve categories.

GeoGAS has developed a standardised approach for preparing CSG resource/reserve reports that provides check-points to the evaluator ensuring regulatory and audit compliance by stock exchanges globally.

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CSG Field Services

GeoGAS can plan, build and project manage CSG exploration programs, both in Australia and abroad.

Project Planning and Training:

  • Planning and management of exploration program
  • Development and implementation of working procedures, safe operational procedures and job safety analysis for drilling and geological crews
  • Operations reporting of exploration results and borehole completion reports
  • Training, monitoring and evaluation programs for geologists and site personnel.

Field Gas testing and Rig Supervision:

  • Provision of field gas desorption facilities, featuring testing at reservoir temperature
  • Gas desorption sampling
  • Lithological, structural and geo-technical core logging, core photography and core sampling
  • Coal logging and sampling
  • Geological and geotechnical core logging and the onsite interpretation of down hole geophysical logs
  • Rig management, supervision and safety
  • Management of safety meetings concerning Job safety analysis and safe working procedures and implementing the changes.

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