China Oilfield Services has been granted a patent for an integrated logging instrument for coring and sampling. The device includes a downhole main body connected to a ground system via a long cable, featuring a coring and sampling mechanism, power mechanism, and energy storage mechanism for efficient drilling and extraction processes. GlobalData’s report on China Oilfield Services gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on China Oilfield Services, was a key innovation area identified from patents. China Oilfield Services's grant share as of February 2024 was 73%. Grant share is based on the ratio of number of grants to total number of patents.
Integrated logging instrument for coring and sampling
A recently granted patent (Publication Number: US11905829B2) discloses an integrated logging instrument designed for coring and sampling in drilling operations. The instrument consists of a downhole main body connected to a ground system via a long cable. The main body features a coring and sampling mechanism, a power mechanism, and an energy storage mechanism. The power mechanism, located at the upper end, includes a motor, a piston structure, and a pump body to provide suction and hydraulic power for drilling and extraction. The energy storage mechanism, situated at the lower end, stores pressure energy to ensure the safety and functionality of the main body during operations.
Furthermore, the integrated logging instrument includes additional components such as a balance compensator, core storage barrel, and a sampling barrel mechanism. The pushing arm within the coring and sampling mechanism is configured with specific angles to optimize drilling efficiency. The patent also details the design of the piston structure, hydraulic chamber, and fluid communication channels within the instrument. Additionally, a fluid identification mechanism and a control mechanism are integrated into the main body for enhanced functionality and control during coring and sampling operations. Overall, the patented instrument offers a comprehensive solution for efficient coring and sampling in drilling applications, with a focus on safety, power management, and operational control.
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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
