The Liaohe Petroleum Exploration Bureau and others have obtained patents for modular units and methods for generating electricity using the pressure difference of high-pressure natural gas in oil and gas fields
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The Liaohe Petroleum Exploration Bureau and others have obtained a patent for a modular device and method for generating electricity using the pressure difference of high-pressure natural gas in oil and gas fields. According to information from the Intellectual Property Office, as of August 5, 2025, Liaohe Petroleum Exploration Bureau Co., Ltd., China National Petroleum Corporation, and CNPC Liaohe Engineering Co., Ltd. have been granted a patent titled “A Modular Device and Method for Generating Electricity Using the Pressure Difference of High-Pressure Natural Gas in Oil and Gas Fields.” The approval number of this patent is CN118148868B, with the application date being December 2022. According to Tianyancha data, Liaohe Petroleum Exploration Bureau Co., Ltd., established in 1984 and located in Panjin City, is a company primarily engaged in the production and supply of gas. The registered capital of the company is 3,261 million RMB. According to the big data analysis provided by Tianyancha, Liaohe Petroleum Exploration Bureau Co., Ltd. has invested in 69 companies in total, participated in 2,173 bidding projects, and holds 1,083 patent records. In addition, the company possesses 62 administrative licenses. China National Petroleum Corporation, established in 1990 and located in Beijing, is a company primarily engaged in the exploration and production of oil and gas. The registered capital of the enterprise is 486,900 million RMB. According to big data analysis by Tianyancha, China National Petroleum Corporation has invested in 113 companies in total, participated in 5,000 bidding projects. In terms of property-related information, there are 1,446 trademark records and 5,000 patent records; additionally, the company holds 28 administrative licenses. CNPC Liaohe Engineering Co., Ltd. was established in 2000
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