... method [ 3 ]. The top view of the trajectory just calculated is shown in Fig. 3 passing through points S, C, D. Notice that at this moment there is considerable error that will be corrected (the targets are points A and B in Fig. 3 ). The third step consists in using techniques commonly known...

... and to process his own data files by means of independent data-processing tools. expert system directional behaviour spe 19133 new software inference engine computer enhanced drilling software trajectory modification elf aquitaine upstream oil & gas research center calculation software...