Testing services: BLM accumulator function testing BOP stack and related valves DRY nitrogen pressure testing hydraulic dead weight testing casing choke manifold and lines FIT test KILL/MUDLINES pipelines and compressor stations PRE charge test TOP DRIVE/KELLY valves work over RIGPRODUCTION completion testing: backside testing BOP stacks compressor stations. Manifolds FLOWBACK manifolds FRAC VALVE/MASTER valve FRAC trees FRAC string testing hold back side pressure for FRACING operations liners pressure vessels production trees SANDTRAPS work over RIGHYDRAULIC torque wrench service: BOP stacks break OUT torqued flanges FRAC trees manifolds open BOP doors pipelines and compressor stations production trees pump house flanges torque flanges to specifications work over BOP stacks.