FOCUSED PROBE APPARATUS AND METHOD THEREFOR

摘要

APPARATUS AND METHODS FOR DOWNHOLE FORMATION TESTING INCLUDING USE OF A PROBE (152) HAVING INNER AND OUTER CHANNELS (154, 156) ADAPTED TO COLLECT OR INJECTING FLUIDS FROM OR TO A FORMATION ACCESSED BY A BOREHOLE (201). THE PROBE (152) STRADDLES ONE OR MORE LAYERS IN LAMINATED OR FRACTURED FORMATIONS AND USES THE INNER CHANNELS TO COLLECT FLUID. THE MOST ILLUSTRATIVE DRAWING IS