Rights Feb 10, 2025 Feb 10, 2025 Nov 22, 2024 Rights ratio: 9 share for every 26 held at a price of Rs 16.0 Rights Mar 21, 2024 Mar 21, 2024 Nov 30, 2023 Rights ratio: 6 share for every 37 held at a ...

State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, P. R. China Research Institute of Petroleum Exploration and Development, Beijing 100083, P.