Sinopec wins approval for 235.7bcm Ziyang shale gas reserves
What happened
Sinopec received approval to develop the Ziyang ultra‑deep shale gas reserves in the Sichuan basin. The development targets reservoirs beyond 4,500m, making the program operationally real rather than exploratory and requiring ultra‑deep rigs and specialist downhole services. Watch for formal FEED notices or tender timelines from Sinopec that will convert approval into firm mobilisation requirements
Buyer takeaway
Treat the approval as a tangible demand signal for ultra‑deep drilling capability because it moves the program from study to an approved development requiring procurement planning
Cost / money
Ultra‑deep wells increase mobilisation and specialised tooling cost exposure because only a limited set of suppliers meet the depth and equipment specs
Supplier / commercial
Suppliers with ultra‑deep capabilities can demand shorter quote windows and specific mobilisation clauses given their constrained availability
Safety / operations
Deeper operations require validated high‑spec equipment, expanded contingency planning and stricter HSE gate readiness before drilling starts
What to watch
Watch for Sinopec FEED notices or tender releases because they will set concrete mobilisation and lead‑time triggers
Key facts
- Exploration and development beyond 4,500m depth
- Described as China’s first ultra‑deep shale field above 100bcm scale
- Approval granted by China’s Ministry of Natural Resources
Source excerpts
The development is China’s first ultra-deep shale gas field exceeding 100bcm
Ultra-deep drilling and fracturing innovations contributed to a proprietary technology system for Cambrian ultra-deep shale gas exploration
The development is China’s first ultra-deep shale gas field exceeding 100bcm. Credit: Sinopec/PRNewswire
