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40 Million Goal: Bohai's First 100-Billion-Cubic-Meter Gas Field Achieves New Production Milestone！
On November 25, Well C10H at the CEPA platform of the Bozhong 19-6 condensate gas field achieved a daily gas production of 200,000 cubic meters, setting a new single-well production record for the field. Including this well, gas wells with a daily output exceeding 100,000 cubic meters now account for over 30% of the total development wells in the gas field.
As the first gas field in the Bohai Sea region with proven reserves exceeding one trillion cubic meters, the Bozhong 19-6 condensate gas field has achieved cumulative natural gas production surpassing two billion cubic meters.
The Bozhong 19-6 condensate gas field has cumulative proven geological reserves of natural gas exceeding 200 billion cubic meters. The sustained increase in the field’s production is attributed to a scientific development philosophy, an efficient collaborative framework, and lean production practices.
Tianjin Branch of the Limited Company adheres to the development philosophy of "overall planning, phased implementation, and pilot testing first," and adopts the development model of "simultaneous oil and gas development with coordinated evaluation and production."
Developing ultra-large gas fields and rapidly converting reserves into production relies heavily on efficient collaboration. To overcome the bottleneck of "drilling outpacing supporting facilities" — a mismatch between drilling and production operations — the Bohai West Operating Company under Tianjin Branch of the Limited Company has established a full-process coordination mechanism. By utilizing 3D models of Christmas trees, approximately 85% of manifold components were prefabricated in factories ahead of schedule. A three-tier management and control system was implemented to ensure effective integration between engineering operations and gas well production. A three-dimensional coordination mechanism was employed to advance wellsite construction. Adhering to the "one-well-one-policy" approach, production plans were dynamically optimized.
Since the gas field commenced production, it has maintained a 100% achievement rate for putting wells into production immediately upon completion, establishing a replicable standardized collaborative operation system.
The Bozhong 19-6 condensate gas field adopts an oil and gas cluster production mode featuring one central hub platform coordinating multiple satellite platforms. The central hub enables centralized monitoring and remote operation of all platforms. Following the establishment of a full-scope control system, technicians, guided by lean management principles, developed an automatic well-switching metering system to achieve real-time production data acquisition and intelligent analysis. This continuously accelerates the construction of an intelligent gas field characterized by "cross-platform coordination and precise regulation."
To address seasonal peak-shifting demands, the gas field employs an intelligent supply guarantee model of "cyclic gas injection and summer injection-winter production." During the summer low-demand period, part of the produced natural gas is processed into dry gas and reinjected into the formation via high-pressure injection platforms after compression. This approach reduces gas flaring and enhances reserve utilization efficiency. During the winter high-demand period, the platforms directly extract high-pressure gas from the "underground gas storage." This model not only improves condensate oil recovery but also further enhances the timeliness of supply response during winter.
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