Testimony sampling and sample storage systems, and pressure compensation method of one or more witness samples.

摘要

The details disclosed include a testimony sampling system. The witness sampling system includes a witness cylinder which, in operation, receives a witness sample from a well. In addition, the witness sampling system includes an isolated pressure compensation system and a selectively activated isolation mechanism Between the testimony cylinder and the isolated pressure compensation system. In addition, the witness sampling system includes a controller which, in operation, deactivates the isolation mechanism selectively activated after the closure of the witness cylinder.