China Oilfield Services and 2 other companies jointly apply for earthquake survey line inspection method patent; earthquake acquisition system relay survey line inspection improves efficiency and reduces costs

On March 19, the State Intellectual Property Office’s information shows that China Petroleum & Chemical Corporation Petrochemical Engineering Technology Service Co., Ltd., Sinopec Petroleum Geophysical Company Limited, and Sinopec Petroleum Geophysical Company Material Equipment Center applied for a patent titled “Seismic Acquisition System Relay Wireless Patrol Method.” The application publication number is CN121665193A, application number CN202411276956.4, with a publication date of March 13, 2026, and an application date of September 12, 2024. Inventors include Han Wenming, Zhu Yulei, Song Mengxin, Chen Qian, Liang Yongqi, Li Zhenya, Xu Peng, He Jirui, Ma Haozhe, and Deng Xingchen. The patent agency is Jinan Rixin Patent Agency (General Partnership), with patent agent Cui Xiaoyan. Classification codes are H04W4/06 and G07C1/20.

The patent abstract states that the invention provides a relay wireless patrol method for seismic acquisition systems. This method includes: Step 1, multiple nodes broadcast their information simultaneously while listening for neighboring nodes’ broadcasts; Step 2, the patrol instrument listens for nearby nodes’ broadcasts and selects suitable nodes to send patrol commands; Step 3, the selected nodes receive the patrol command and enter the patrol process; Step 4, nodes in the patrol process send their information back to the parent device; Step 5, if the patrol instrument does not receive any node information for a period, the patrol process ends. This relay wireless patrol method aims to reduce personnel and drone deployment, improve patrol efficiency, and save patrol costs.

Sinopec Oilfield Service was established on November 21, 1994, and listed on the Shanghai Stock Exchange on April 11, 1995. Its registered and office address is in Beijing. It is a leading domestic provider of oil and gas exploration, development engineering, and technical services, with full industry chain service capabilities and significant investment value.

Its main business involves engineering and technical services for oil and gas exploration and development. It belongs to the Shenwan industry category of Petroleum and Petrochemical - Oilfield Services - Oilfield Services. It is involved in concepts such as oil reform, Sinopec system, and oil and gas reform.

By 2025, Sinopec Oilfield Service’s revenue reached 80.712 billion yuan, ranking first in the industry, on par with the industry average and median. Its main business components include drilling at 36.85 billion yuan (45.66%), engineering construction at 20.637 billion yuan (25.57%), among others. Its net profit was 660 million yuan, also ranking first in the industry, consistent with the industry average and median.

Recent patent information for China Petroleum & Chemical Corporation Petrochemical Engineering Technology Service Co., Ltd. includes:

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Data from Tianyancha shows that Sinopec Petroleum Geophysical Company Limited was established on December 21, 2012, with Song Mingshui as legal representative. It operates in the professional technical services industry, is a medium-sized enterprise with registered capital of 300 million RMB, fully paid. Its registered address is Room 422, 4th Floor, Building 1, No. 22 Chaoyangmen North Street, Beijing. It has invested in one enterprise, participated in 2,493 bidding projects, holds 1 trademark, 443 patents, and 547 administrative licenses.

Recent patent filings for Sinopec Petroleum Geophysical Company Limited include:

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Data from Tianyancha shows that Sinopec Petroleum Geophysical Company Material Equipment Center was established on June 13, 2018, with Yan Zhiwu as legal representative. It operates in the leasing industry, with registered capital and paid-in capital of 30 million RMB, located at No. 2079 Chengxin Avenue, Jiangning High-tech Park, Nanjing. It has invested in zero enterprises, participated in 7 tenders, holds 37 patents, and has 10 administrative licenses.

Recent patent filings for this center include:

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