YG Series Full hydraulic core drilling machine is a newly developed high-efficiency and multi-functional full-hydraulic core drilling rig based on research and development, manufacturing, and user feedb. [pdf]
One company, Maersk Drilling, is leading the way with its fleet of three state-of-the-art XLE jack-up rigs – named Intrepid, Interceptor and Integrator, and a fourth known as XLE4 which will be delivered b. [pdf]
A down-the-hole drill, usually called DTH by most professionals, is basically a screwed on the bottom of a . The fast hammer action breaks hard rock into small cuttings and dust that are evacuated by a fluid (air, water or ). The DTH hammer is one of the fastest ways to drill hard rock. The system is thought to have been invented independently by Stenuic. [pdf]
As operating conditions in performance tests may not agree with those specified in the specification, conversion is required to estimate performance of compressors in the specified service at site. Th. [pdf]
The North American Charging Standard (NACS), standardized as SAE J3400, is an (EV) charging connector standard developed by and maintained by . It has been publicly endorsed by the U.S. government since December 2023. Tesla introduced the physical connector design with the in 2012; howe. [pdf]
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