Sinopec Southwest Oil & Gas Company (中国石油化工股份有限公司西南油气分公司) is a subsidiary of China Petroleum & Chemical Corporation (Sinopec), specializing in oil and gas exploration, development, and sales in the Sichuan Basin and surrounding regions of southwest China.
Established in 2002 with roots tracing back to 1976, the company is headquartered in Chengdu, Sichuan Province. It operates across Sichuan, Chongqing, Yunnan, Guizhou, Guangxi, and Hunan, managing 38 exploration blocks covering 18,300 square kilometers. Key reserves include 8.45 trillion cubic meters of conventional natural gas and 2.08 trillion cubic meters of unconventional resources, with tertiary reserves of 2.1 trillion cubic meters.
The company focuses on tight sandstone gas, marine sulfur gas, and deep shale gas, developing major fields such as Xinchang, Majing, Zhongjiang, and Yuanba. It maintains an annual natural gas production capacity of approximately 7 billion cubic meters across 23 gas fields. With around 5,300 employees, it emphasizes digital and intelligent management to support Sinopec's energy goals.
Also known as 西南油气分公司, 中国石化西南油气分公司, and Southwest Oil and Gas Branch.
chemXplore tracks 1 project involving Sinopec Southwest Oil & Gas Company, of which one is active.
Sinopec Southwest Oil & Gas Company's role on them: Owner.
1 revamp / retrofit.
Targeting: Methane (1)
Two pilot gas‑flaring recovery CCER projects have connected to the national carbon market and completed on‑site audits; they are now in the emission‑reduction registration stage.
Largest continuous 3D seismic processing campaign covers 9,436 km² to support Sichuan Basin exploration, reserve growth and well targeting.
Cambrian Qiongzhusi shale at 4,500–5,200 m poses high-temp, high-pressure, hard-to-drill reservoir challenges. Team developed new geological model, AI imaging and ultra‑deep drilling/fracturing tech.
