دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: No metal clast left in the wellbore to block the formation after perforation by modified jet perforating explosive charge.

n: a powerful, highly explosive material (cyclo-trimethylene-trinitramine) used as the main charge in jet perforating guns. Also called RDX. See jet-perforate.

another name for RDX explosive.

n: a procedure for severing pipe stuck in a well by detonating special Shaped- charge explosives similar to those used in jet perforating. The explosive is lowered into the pipe to the desired depth and detonated. The fon:e of the explosion makes radiating horizontal cuts around the pipe, and die severed portion of the pipe is retrieved.

n: a special method using the explosion of dynamite to cut the frozen pipe.

n: an assembly, including a carrier and shaped charges, that is used in jet perforating.

n: 1.the jet gun comprise of the loader and dynamical shoot. 2.the gun of fluid,using to clear the mud pool or the mud tank.

n: an operation similar to gun perforating except that a shaped charge of high explosives is used to burn a hole through the casing instead of the gun which fires a projectile in gun perforating.

shaped charge perforating.