Hazards Caused by a Drilling Fluid in Case of Loss Circulation; what is the Solution?

B15 HAZARDS CAUSED BY A DRILLING FLUIDS IN CASE OF LOSS CIRCULATION WHAT IS THE SOLUTION? 1 Abstract In this 21st century the sustainable development takes dimension in witch every development strategy must take in considiration different environment aspects expected to compromise the well being of futur generations. The pollution generated by the oil and gas industries like drilling operations can have a serious and irreversible consequences on the environment specially those linked to the drilling fluids uses. The drilling operation site is known to generate a ponctuel pollution problem however this one can be propagated outside the limits of