SPE meaning in Earth Science ?

The Society of Petroleum Engineers (SPE) is a 501(c)(3) not-for-profit professional organization whose stated mission is "to collect, disseminate, and exchange technical knowledge concerning the exploration, development and production of oil and gas resources and related technologies for the public benefit; and to provide opportunities for professionals to enhance their technical and professional competence".

SPE provides a worldwide forum for oil and natural gas exploration and production (E&P) professionals to exchange technical knowledge and best practices. SPE manages OnePetro and PetroWiki, in addition to publishing magazines, peer-reviewed journals, and books. SPE also hosts more than 100 events each year across the globe as well as providing online tools and in-person training opportunities. SPE's technical library (OnePetro) contains more than 200,000 technical papers—products of SPE conferences and periodicals, made available to the entire industry.

SPE has offices in Dallas, Houston, Calgary, London, Dubai, Moscow and Kuala Lumpur. SPE is a professional association for more than 156,000 engineers, scientists, managers, and educators. There are about 72,000 student members of SPE.