Lenga patra utawa ing basa Indonésia diarani minyak bumi, (basa Inggris: petroleum, asal saka basa Latin petrus – karang lan oleum – lenga) dijuluki uga minangka emas ireng, iku cuwèran kenthel, coklat peteng, utawa semu ijo kang gampang kobong, kang ana ing lapisan dhuwur saka sawatara aréa ing kerak Bumi. Lenga atra dumadi saka campuran komplèks dari manéka hidrokarbon, sapérangan gedhé sèri alkana, nanging duwé variasi sajeroning penampilan, komposisi, lan kamurniané.

Komposisi 
Komponèn kimia saka lenga patra dipisahaké déning prosès distilasi, kang banjur, sawisé diolah manèh, dadi lenga gas (lenga tanah), bènsin, lilin, aspal, lll.
Lenga patra dumadi saka hidrokarbon, senyawa hidrogen lan karbon.

Pranala njaba 
 The Hydrogen Expedition  The first circumnavigation of the globe in a hydrogen fuel cell powered boat
 The Politics of Oil - A report on the oil industry's influence of lawmakers and public policy by the Center for Public Integrity.
 American Petroleum Institute - A site run by the American Petroleum Institute, the trade association of the US oil industry.
 US Energy Information Administration - Part of the informative website of the US Government's Energy Information Administration.
 US petroleum prices.
 The End of the Age of Oil - article adapted from a talk by Caltech vice provost and professor of physics David Goodstein
 BBC: Stability fears rise as oil reliance grows

Buku ngenani indhustri lenga patra 
 The Coming Oil Crisis (2004)
 Out of Gas: The End of the Age of Oil (2004)
 Hubbert's Peak: The Impending World Oil Shortage (2003)
 Energy at the Crossroads: Global Perspectives and Uncertainties (2003)
 The Prize: The Epic Quest for Oil, Money, and Power (Daniel Yergin, 1991, ISBN 0-671-50248-4)

Panulis kang mbahas indhustri lenga patra 
 C.J Campbell
 Kenneth S. Deffeyes
 David Goodstein
 Daniel Yergin

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