Your browser is no longer supported

For the best possible experience using our website we recommend you upgrade to a newer version or another browser.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more

Steve Wilson and Geoff Card


  • Designing for gas protectionSubscription

    1 May, 1999Updated: 19 February, 2009

    Nick O'Riordan is correct when he states that the design of gas protection measures should not be based solely on borehole flow rates (Letters, GE March 1999). To be able to use any classification system the gas regime below the site must be thoroughly investigated and understood.