73426970
May 23, 1983
COMPUTER SOFTWARE SYSTEMS, PROGRAMS AND PACKAGES FOR USE BY OIL AND GAS PRODUCTION COMPANIES, LAND MANAGERS, DRILLERS, CRUDE OIL PURCHASERS, PETROLEUM ENGINEERS, INVESTORS, SERVICE INDUSTRIES AND SUPPLIERS COMPUTER SOFTWARE SYSTEMS, PROGRAMS AND PACKAGES FOR USE BY OIL AND GAS PRODUCTION COMPANIES, LAND MANAGERS, DRILLERS, CRUDE OIL PURCHASERS, PETROLEUM ENGINEERS, INVESTORS, SERVICE INDUSTRIES AND SUPPLIERS
Electrical and Scientific Apparatus