GATE PE 2023 Question Paper (11-Feb-2023) Shift 1 offers a comprehensive evaluation of Petroleum Engineering subjects including reservoir engineering, drilling engineering, production engineering, and well testing. The paper features a rigorous mix of MCQ, MSQ, and NAT questions designed to test conceptual understanding, analytical reasoning and numerical problem-solving skills. Reviewing this specific shift is essential for aspirants to identify high-weightage topics, analyze difficulty trends and strengthen preparation for PSU recruitment, higher studies, and IIT admissions.