This Survey covers the "oil patch" - oil drilling and oilfield services. The oil drilling segment covers firms that provide drilling rigs and personnel, plus related equipment and services. Customers include oil and gas producers. The oilfield services segment covers firms that provide the products and services that are used in drilling, evaluating, and completing oil and gas wells. Customers include oil and gas producers and drilling companies. "Oil & Gas Drilling" and "Oil & Gas Equipment & Services" are GICS sub-industries in the "Energy" sector of the S&P 1500. Industry Surveys covers more than 50 of the largest and most significant US industries. The information provided for each follows the same general format: the industry's recent performance, an analysis of trends that will influence it in the future, and a broad and fundamental overview of its structure. Both text and data are provided, as are references to additional sources of industry information, including Web sites. | 
