05.07.2009
A reduction in the permeability of a formation caused by the invasion of water into the pores
When a rating agency, such as Midroog in Israel or S&P places a company on its watch list
An accessory used in fishing operations to go over the outside of tubing or drill pipe stuck in the hole because of cuttings, mud, and so forth, that have collected in the annulus. The washover pipe cleans the annular space and permits recovery of the pipe. It is sometimes called washpipe.
A tool string used for washover operations. The wash pipe is a relatively large internal-diameter tubular that can be washed over a fish in preparation for engaging and retrieving the fish