metal pipe fixtures for installation of water systems, namely, water pipes and protective pipes of metal, pipe jackets, fittings for metal pipes, couplings, connectors and joints, metal ring-type pipe connector seals, distributor couplings and gaskets

RESINS USED IN SAND CONTROL SERVICE FOR OIL AND GAS WELL DRILLING

SAND CONTROL SERVICES AND PARTICULARLY FOR A SERVICE EMPLOYING A METHOD OF CONSOLIDATING LOOSE OR INCOMPETENT SANDS, PRINCIPALLY IN WELL FORMATIONS, WITH A RESIN SOLUTION