International Journal of Oil, Gas and Coal Engineering

Volume 4, Issue 2, March 2016

  • Research and Application of Micronized Barite Drilling Fluid in HPHT Wells of the Western South China Sea

    Han Cheng, Zhang Chao, Luo Ming, Wei Anchao, Xu Fabin

    Issue: Volume 4, Issue 2, March 2016
    Pages: 9-15
    Received: 26 February 2016
    Accepted: 6 March 2016
    Published: 19 March 2016
    Abstract: When drilling wells in high temperature and high pressure (HTHP) fields, the drilling fluid properties are of utmost importance. If the viscosity of high density drilling fluid is too low, it will lead to barite sag and poor cuttings carrying capacity. However, lost circulation will occur due to high surge pressure and Equivalent Circulating Densit... Show More
  • Potential Applications of Welan Gum in Upstream Petroleum Industry

    Changhong Gao

    Issue: Volume 4, Issue 2, March 2016
    Pages: 16-23
    Received: 3 May 2016
    Published: 4 May 2016
    Abstract: Welan gum (WLG) has been widely used in food industry as thickener. This paper studies its potential applications in upstream petroleum industry. Welan gum was added to drilling mud, and rheology tests were conducted to evaluate mud performance. Experiments demonstrate welan gum effectively boosts mud viscosity. WLG mud also shows strong stability ... Show More