Ian R Brown Associates Ltd

IRBA petroleum activities

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Ian R Brown Associates Ltd has been involved in petroleum projects since 1988, covering many of New Zealand's producing and prospective basins and adjacent coalfields. Our expertise covers:
  • regional geological, stratigraphic and reservior compilation, prospectivity assessments
  • design, technical supervision and management of seismic acquisition, QA and management of seismic processing, seismic interpretation using Kingdom Suite software
  • preparation of well prognoses
  • wellsite geology, including offshore and onshore wells, deviated wells and high formation pressures; supervision of LWD, MWD, wireline, coring, sampling and testing operations
  • interpretation of pressure regimes, water chemistry, geochemical data
  • well completion report writing, preparation of composite logs, and correlation diagrams
  • landowner and iwi liaison, access agreements, resource consents
  • coal-bed methane resource evaluation

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Since 1996, IRBA have been involved in 17 wells in the East Coast Basin, 1 well in the Wanganui Basin and over 20 wells in the Taranaki Basin (including the Tui area oil discoveries of 2003-2004). The company has also undertaken proprietary studies of the Canterbury and South Taranaki - Wanganui Basins, and completed coal-bed methane reviews of many coalfields in both the North and South Islands.

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