The search field appears at the top of every page on, and is also used to search within specific items including Case Studies, Technical papers and Publications.

To enter a query, type in a few descriptive words and press Enter (or click the Search button) for a list of relevant web pages. Only web pages containing ALL the words in your query are returned. To refine or narrow your search, simply add more words to the search terms you have already entered. Your new query will return a smaller subset of the pages found for your original "too-broad" query.

Choosing keywords

For best results, it's important to choose your keywords wisely. Keep these tips in mind:

  • Try the obvious first. If you're looking for information on coalbed methane, enter "Coalbed Methane" rather than "energy source".
  • Use words likely to appear on a site with the information you want. "Geological interpretation software" gets better results than "tools geologists use to find oil".
  • Make keywords as specific as possible. "Advanced seismic technology" gets more relevant results than "new scientific developments".

Automatic "and" queries

By default, we only return pages that include all of your search terms. There is no need to include "and" between terms. Keep in mind that the order in which the terms are typed will affect the search results. To restrict a search further, just include more terms. For example, to get help improving your field production, simply type:


Automatic exclusion of common words

The search engine ignores common words and characters such as "where" and "how", as well as certain single digits and single letters, because they tend to slow down your search without improving the results. We will indicate if a common word has been excluded by displaying details on the results page below the search box.

If a common word is essential to getting the results you want, you can include it by putting a "+" sign in front of it. (Be sure to include a space before the "+" sign.)

Another method for doing this is conducting a phrase search, which means putting quotation marks around two or more words. Common words in a phrase search (e.g., "where are you") are included in the search.





Searches are NOT case sensitive. All letters, regardless of how you type them, will be understood as lower case. For example, searches for "clearfrac", "ClearFRAC", and "ClEaRfRaC" will all return the same results.

Word variations (stemming)

To provide the most accurate results, the search engine does not use "stemming" or support "wildcard" searches. In other words, we search for exactly the words that you enter in the search box. Searching for "deep" or "deep*" will not yield "deepwater" or "ultradeep". If in doubt, try both forms: "simulator" and "simulators," for instance.