OnePetro.org is a multi-society library that provides a simple way to search for and access a broad range of technical literature related to the oil and gas exploration and production industry. From one place, you can search documents from many different professional societies, or similar organizations, that serve the oil and gas industry. Launched in March 2007, OnePetro currently contains more than 130,000 documents, with more being added frequently. The Society of Petroleum Engineers (SPE) is operating OnePetro on behalf of the participating organizations. Current organizations with technical documents in OnePetro: API, ARMA, ASSE, IPTC, ISRM, OTC, NACE, NETL, PETSOC, PSIG, SEG, SPE, SPEE, SPWLA, SUT, WPC.