ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,710, issued on June 16, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and SINOPEC PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INS... Read More
ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,711, issued on June 16, was assigned to Halliburton Energy Services Inc. (Houston). "Resettable, retrievable multi-size donut seal" was inv... Read More
ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,712, issued on June 16, was assigned to Zhejiang Tensing Science and Technology Co. Ltd. (Ningbo, China). "Data acquisition system and meth... Read More
ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,713, issued on June 16, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas). "Dormant packer fracturing completion system" wa... Read More
ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,714, issued on June 16, was assigned to Cameron International Corp. (Houston). "Meltable material to seal flow-by passageways" was invented... Read More
ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,715, issued on June 16, was assigned to Halliburton Energy Services Inc. (Houston). "Low-density ceramic floats for use in a downhole envir... Read More
ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,716, issued on June 16, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.). "Subsea completion annulus pressure compensation system" w... Read More
ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,717, issued on June 16, was assigned to Halliburton Energy Services Inc. (Houston). "Production sub including a fluid flow assembly having ... Read More
ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,718, issued on June 16, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas). "Safety valve with electrical actuator" was inve... Read More
ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,719, issued on June 16, was assigned to VIKING COMPLETION TECHNOLOGY FZCO (Dubai, United Arab Emirates). "Hydraulic actuator device" was in... Read More