75662279
Mar 17, 1999
PROFILE WIRE SCREENS OF STAINLESS STEEL WITH OR WITHOUT PERFORATED BASE PIPE FOR SANDE FREE PRODUCTION OF CRUDE OIL AND NATURAL GAS
Metal GoodsCLEANING OF BOREHOLE AND SURROUNDING FORMATION AREAS TO INCREASE RETURNED PERMEABILITY
Building Construction and RepairMONITORING AND RECORDING OF PERMEABILITY, TRANSMISSIBILTY AND DISTRIBUTION OF PRODUCTIVITY IN THE CRUDE OIL/NATURAL GAS BEARING FORMATION IN CONSOLIDATED CONDITIONS, AS WELL AS IN UNCONSOLIDATED CONDITIONS BY MEASURING INSTRUMENTS
Computer and Scientific