We are performing workover operations. Cleaning out old wells. We torque up a joint of pipe, rotate it and circulate fluid through it as we lower it into the well (often with a bit or other cleaning apparatus on the bottom of the pipe) Once that joint of pipe is in the well, we disconnect the...
Thanks for the input guys.
MRFM: The material is 110 ksi steel. A design change would be a great solution, but unfortunately isn't possible for this application. We are lowering tubing into a well, and must use the standard threads the tubing comes with.
Nidum: For the tapered V threads...
Hi! I'm in a situation with threads that are being torqued, and unthreaded, and then torqued again hundreds of times per day. While torqued they are required to lift thousands of pounds of load. We've experienced failures where the threads appear to have worn/galled to the point that they...