This essay reads Karen Tei Yamashita's novels Through the Arc of the Rain Forest (1990) and Tropic of Orange (1997) as case studies for what I call planetary petrofiction: novels that envision energy justice by locating oil's multiscalar forms across geopolitical and geological histories. Positioning extraction and infrastructure as the two key entry points into the novels' oil encounter, Yamashita challenges the imperialist fictions that propel fossil fuel regimes: oil's bounty, necessity, and potency for contemporary energy systems and practices.