According to the announcement of Deshi Co., Ltd., the company recently obtained an invention patent certificate issued by the State Intellectual Property Office. The patent name is “wellhead device”, the patent number is ZL 2026 1 1179495.8. The patent application date is August 5, 2026, and the authorization announcement date is October 9, 2026. The patent holder is the company. The patent can be used for drilling and completion operations in the field of oil and gas extraction. It is the company's key core technology and will soon be put into practical application. The acquisition of this patent will not have a significant impact on the company's recent production and operation, and is conducive to improving the company's intellectual property protection system.

Zhitongcaijing · 1d ago
According to the announcement of Deshi Co., Ltd., the company recently obtained an invention patent certificate issued by the State Intellectual Property Office. The patent name is “wellhead device”, the patent number is ZL 2026 1 1179495.8. The patent application date is August 5, 2026, and the authorization announcement date is October 9, 2026. The patent holder is the company. The patent can be used for drilling and completion operations in the field of oil and gas extraction. It is the company's key core technology and will soon be put into practical application. The acquisition of this patent will not have a significant impact on the company's recent production and operation, and is conducive to improving the company's intellectual property protection system.