Bohai Bay’s first 100-billion-cubic-meter gas field, the Bozhong 19-6 condensate gas field, has achieved another increase in oil and gas production capacity, with daily oil and gas equivalent output reaching a record high since production began, exceeding 5,600 tons of oil equivalent.
Entering June, the gas field has been working towards completing over half of its annual production target, with oil and gas output consistently maintaining above-plan levels.
In the decisive year of striving to achieve the oil and gas production target of 40 million tons in the Bohai Oilfield, the Bozhong 19-6 condensate gas field has focused on enhancing production capacity through new wells, optimizing management to revitalize existing resources, and preparing in advance to ensure operational efficiency. In less than half a year, the gas field’s natural gas output has already reached nearly 70% of its total production in 2024.
The Bozhong 19-6 condensate gas field faces complex geological and reservoir conditions, making drilling, completion, and surface supporting engineering extremely challenging. Confronted with the world-class development difficulties of deep buried-hill fractured condensate gas reservoirs, the production team collaborated with reservoir engineers and specialists to summarize experience from pilot zones and previous development wells. They meticulously refined pre-drilling geological and reservoir plans, continuously optimized well locations and operation batches, efficiently allocated rig resources, and rigorously advanced wellhead piping and completion schedules. As a result, they achieved the goal of “putting wells into production immediately upon completion.”
During the optimization process of low-efficiency wells in the gas field, the on-site team efficiently advanced the construction of surface gas injection infrastructure. Significant results were achieved after implementing gas injection and huff-puff measures in Wells A3, D3, and A9H. Currently, the three wells collectively contribute an additional nearly 70 tons of oil per day and 100,000 cubic meters of gas per day, effectively boosting the gas field’s production capacity.
While accelerating the production capacity construction of new wells and revitalizing low-efficiency existing wells, the frontline personnel at the gas field have adopted the principle that ”avoiding unplanned shutdowns is equivalent to increasing production” as the bottom-line mindset in their lean management.
Given the offshore gas field’s challenging production conditions—high humidity, high salinity, and high pressure—the team has implemented a dual-layered monitoring approach combining digital inspections with manual verification. This ensures dynamic monitoring of key process nodes, enabling early detection and resolution of abnormalities to maintain the stable operation of natural gas processing equipment and workflows.
Beyond “strengthening internal capabilities,” the Bozhong 19-6 condensate gas field has also served as a peak-shaving “stabilizer” by coordinating upstream and downstream operations with the Binzhou Natural Gas Processing Plant. This collaboration supports the Boxi Operating Company of CNOOC Tianjin Branch in optimizing the overall natural gas distribution across the Boxinan Natural Gas Pipeline Network in the Bohai Oilfield, ensuring robust momentum in the region’s gas production surge.
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Post time: Jul-03-2025