Core Insights - The successful energy transition at the Dongyi Joint Station of the Shengli Oilfield marks significant progress in the industrial application of medium and deep geothermal resources in China's oil and gas sector [1] Group 1: Project Overview - The Gu Dong project utilizes a dual heat source technology combining high-temperature waste heat from gas wells and medium-temperature waste heat from oil wells, achieving efficient use of clean thermal energy [3] - The project has an annual clean heating capacity of 209,000 GJ, reducing heating costs by 59% and replacing 6.38 million cubic meters of natural gas, which can meet the annual gas needs of approximately 20,000 urban households, while reducing CO2 emissions by 13,500 tons [3] Group 2: Geothermal Resource Potential - The geothermal resource in the Jiyang Depression is estimated to be equivalent to about 25 billion tons of standard coal, with an average geothermal gradient of 3.4-4.2 degrees Celsius per 100 meters, representing a typical "oil basin + thermal basin" geological structure [3] - A total of 51 geothermal waste heat utilization projects have been established in recent years, revitalizing 25 abandoned wells with an annual clean heating capacity of 3.46 million GJ [3] Group 3: Strategic Development - In 2024, the Shengli Oilfield aims to implement a development strategy of "building thermal fields within oil fields," establishing a clean thermal energy system that integrates sources, usage, and storage [5] - The Shengli Oilfield is simultaneously advancing green heat development in multiple regions, with the first medium-deep geothermal project for oil and gas production in Shandong already in operation, providing an annual heating capacity of 75,000 GJ [6] Group 4: Regional Impact and Future Plans - The Shengli Oilfield is leading regional green initiatives through interconnection of oil and gas pipelines and shared heat sources, achieving an annual green heat trading volume of 410,000 GJ [8] - The Shengli Oilfield plans to achieve large-scale replacement of green heat in the collection and transportation system, economic replacement in the oil extraction system, and breakthroughs in the steam injection system by 2028, exploring new pathways for the green transition of traditional energy companies [8]