The Schlumberger Oilfield Glossary provides definitions and illustrations of oilfield terminology. The definitions are described as being for the technical generalist and expert alike -- more detailed than a dictionary, but more concise than an encyclopedia. Users simply enter a word, and choose a particular discipline such as drilling, geology, well testing, or search in all areas. Other limitations include searching a part of a word, a whole word, within a definition, or those that include illustrations. Results contain a brief informative definition that includes related words and links to other keywords within the definition itself. Those interested in similar topics should find the site easy to use, informative, and helpful.