Drilling fluid technology has been developing as a part of drilling technology to cope with a lot of problems facing with various kinds of drilling operations.
In this paper, main functions of drilling fluid are reviewed, and the five issues below regarded as recent key technologies; 1) Hydration and swelling of shale, 2) Resistance to high temperature, 3) Highly deviated or horizontal drilling, 4) Ultra deep water drilling, and 5) Environmental responsibilities, which Telnite has been executing as Research and Development missions to date, are described.
