China oil and gas market size in 2026 is estimated at USD 114.21 billion, growing from 2025 value of USD 108.62 billion with 2031 projections showing USD 146.75 billion, growing at 5.15% CAGR over 2026-2031. This report is Segmented by Sector (Upstream, Midstream, and Downstream), Location (Onshore and Offshore), and Service (Construction, Maintenance and Turn-Around, and Decommissioning). The Market Sizes and Forecasts are Provided in Terms of Value (USD).
Upstream spend focuses on reservoir management tools that enhance recovery factors in mature blocks. Carbon-capture pilots in producing wells store CO₂ in depleted formations, allowing incremental barrels under stricter emission norms. Although downstream gasoline cracks narrow with EV adoption, aromatics margins remain firm, propelling refinery utilization and sustaining chemical demand that ripples upstream.
China Oil And Gas Market Trends and Insights
Energy-security Push & Import-Substitution Mandates
Beijing requires crude oil output to remain above 200 million tons per year, thereby reducing reliance on imports, which currently account for 73% of demand. CNPC and Sinopec secure low-cost policy-bank financing for infill drilling, while CNOOC accelerates offshore exploration to diversify reserves. A larger strategic petroleum reserve insulates domestic supply, and mandated local-content rules spur procurement of Chinese-made rigs, pumps, and subsea umbilicals. Petrochemical producers increase off-take contracts for domestic naphtha and ethane, locking in baseline consumption even as gasoline sales flatten. Together, these policies underpin a security premium that cushions the Chinese oil and gas market against price shocks.Petrochemical Feedstock Demand from Dual-Circulation Strategy
China’s economic planners channel investment into integrated refinery-chemical complexes that convert more barrels of crude oil into aromatics and olefins, thereby boosting hydrocarbon demand beyond transport fuels. CNOOC’s Daxie Island revamp lifts crude-run capacity 50% and doubles chemical yield, mirroring upgrades in Guangdong and Jiangsu. Domestic ethylene output climbed 12% in 2024, absorbing extra condensate and LPG flows from inland basins. Petrochemical feedstock contracts typically have five-year tenures, providing producers with predictable cash flow and anchoring the Chinese oil and gas market during shifts in the energy transition.Windfall-Profit Tax on Upstream Majors
A tiered levy skims exceptional earnings during high-price cycles, trimming reinvestment budgets at CNPC, Sinopec, and CNOOC. Management prioritises core blocks with quick payback and delays marginal frontier wells. The tax coincides with rising CCS outlays, intensifying cash-flow pressure, and slightly tempering expansion inside the Chinese oil and gas market.Other drivers and restraints analyzed in the detailed report include:
- Shale-Gas Commercialisation in Sichuan & Chongqing
- National Pipeline Network (PipeChina) Capacity Expansion
- Stringent Methane-Emission Regulations (2025 Action Plan)
Segment Analysis
Upstream activities accounted for 70.88% of China's oil and gas market share in 2025, underpinned by aggressive state-funded exploration in the Bohai, South China Sea, and Ordos regions. Meanwhile, the downstream sector is projected to drive market growth with a CAGR of 5.44% through 2031. Integrated majors utilize AI-assisted seismic inversion, reducing exploration cycle times by 20% and reinforcing their upstream preeminence.Upstream spend focuses on reservoir management tools that enhance recovery factors in mature blocks. Carbon-capture pilots in producing wells store CO₂ in depleted formations, allowing incremental barrels under stricter emission norms. Although downstream gasoline cracks narrow with EV adoption, aromatics margins remain firm, propelling refinery utilization and sustaining chemical demand that ripples upstream.
Complete Report Scope:
- By Sector
- Upstream
- Midstream
- Downstream
- By Location
- Onshore
- Offshore
- By Service
- Construction
- Maintenance and Turn-around
- Decommissioning
List of Companies Covered in this Report:
- China National Petroleum Corporation (CNPC)
- China Petroleum & Chemical Corporation (Sinopec)
- China National Offshore Oil Corporation (CNOOC)
- PipeChina (China Oil & Gas Pipeline Network Corp)
- Sinochem Holdings
- Shaanxi Yanchang Petroleum Group
- Yanchang Petroleum International Ltd
- PetroChina Company Ltd
- China Gas Holdings
- ENN Energy Holdings
- China Resources Gas
- ExxonMobil Corp
- Chevron Corp
- BP plc
- Shell plc
- TotalEnergies SE
- QatarEnergy
- Rosneft PJSC
- Gazprom PJSC
- Equinor ASA
Additional Benefits:
- The market estimate (ME) sheet in Excel format
- 3 months of analyst support
Table of Contents
1 Introduction
4 Market Landscape
5 Market Size & Growth Forecasts
6 Competitive Landscape
7 Market Opportunities & Future Outlook
Companies Mentioned (Partial List)
A selection of companies mentioned in this report includes, but is not limited to:
- China National Petroleum Corporation (CNPC)
- China Petroleum & Chemical Corporation (Sinopec)
- China National Offshore Oil Corporation (CNOOC)
- PipeChina (China Oil & Gas Pipeline Network Corp)
- Sinochem Holdings
- Shaanxi Yanchang Petroleum Group
- Yanchang Petroleum International Ltd
- PetroChina Company Ltd
- China Gas Holdings
- ENN Energy Holdings
- China Resources Gas
- ExxonMobil Corp
- Chevron Corp
- BP plc
- Shell plc
- TotalEnergies SE
- QatarEnergy
- Rosneft PJSC
- Gazprom PJSC
- Equinor ASA
