top Good news - our company has passed the review of high-level intellectual property improvement projects
Good news - our company has passed the review of high-level intellectual property improvement projects
top The research team of Yancheng Yellow Sea Veterans Care Foundation visited our company to guide the work
The research team of Yancheng Yellow Sea Veterans Care Foundation visited our company to guide the work
top Pan Daojin, vice chairman of the CPPCC, came to our company to guide the work
Pan Daojin, vice chairman of the CPPCC, came to our company to guide the work
Problems that should be paid attention to in the use of screw drilling tools
(1) Do not hang in the air for a long time, and do not overwhelm the cycle. (2) Do not turn the pipe string when the drill bit is stuck to prevent the screw cap from being buckled upside down and the
Faults and troubleshooting methods in the use of screw drilling tools!
Raise the drilling tool 0.3-0.6m, check the circulation pressure, and gradually increase the drilling pressure, the pressure will gradually increase, and other parameters are normal, which can be conf
Introduction to screw drilling tools
The utility model relates to a progressive cavity type positive displacement hole bottom power machine, referred to as a screw drill for short. The screw drill, which uses mud and water as the power m
How to use the screw drill
Before the screw drilling tool leaves the factory, the connecting threads between each part have been coated with anaerobic glue and tightened according to the specified torque, and do not need to be
Ground inspection before the screw drilling tool goes downhole
1. Except for the connection between the lifting sub and the bypass valve, the shell connections of other parts of the screw drilling tool are coated with locking agent. 2. Use the screw bit loader an
How to start and trip the screw drill
If the screw drilling tool is at the bottom of the well, it should be lifted by 0.3-0.4m, and the drilling pump should be started. At this time, the reading of the vertical rod pressure gauge should b
Bypass valve function and design principles!
Bypass valves are usually connected upstream and downstream of a globe valve, ball valve body, or piping. The purpose of the bypass valve is to balance the pressure through the shut-off valve. Once th