Ormat Technologies. has been granted a patent for a well pumping apparatus featuring a discharge head, a drive string rod in fluid communication with production tubing, a pre-lubrication port, and lubrication cups positioned near bearings along the drive string rod. GlobalData’s report on Ormat Technologies 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 Ormat Technologies, Demand response systems was a key innovation area identified from patents. Ormat Technologies's grant share as of June 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Well pumping apparatus with lubrication features
The granted patent US11982286B2 outlines a well pumping apparatus designed to enhance the efficiency and longevity of well operations. The apparatus includes a discharge head, a drive string rod in fluid communication with a production tubing's inner cavity, and a pre-lubrication port. Notably, lubrication cups are strategically installed along the drive string rod adjacent to sets of bearings, which may consist of non-metallic materials such as reinforced fluoropolymer. The design also incorporates drive string rod couplings and production tubing couplings with bearing supports, ensuring structural integrity and functionality throughout the system.
Additionally, the patent describes a method for applying lubrication to the bearings of the drive string rod. This method involves the application of a non-aqueous lubricant while the drive string is stationary, followed by the activation of a motor to rotate the drive string rod. The system relies on the upward flow of material, such as water, in the production tubing to maintain lubrication of the bearings during operation. The inclusion of a lubricant sensor, which signals the controller to operate the motor based on lubricant contact, further enhances the apparatus's operational efficiency. The use of edible oils as a non-aqueous lubricant and the specification of reinforced fluoropolymer bearings highlight the innovative approach taken in this patent to improve well pumping technology.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. 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.
