EXHIBIT 10.1 CREDIT AGREEMENT DATED AS OF JULY 10, 2002 AMONG SMITH INTERNATIONAL, INC. AND M-I L.L.C., THE LENDERS FROM TIME TO TIME PARTY HERETO AND COMERICA BANK, AS ADMINISTRATIVE AGENT ABN AMRO BANK N.V., AS SYNDICATION AGENT DEN NORSKE BANK ASA,...Credit Agreement • November 15th, 2002 • Smith International Inc • Miscellaneous chemical products • New York
