... release frequency upstream oil & gas fault tree analysis scssv production operation production workover production packer downhole safety valve operation probability hydrocarbon release packer workover frequency asv requirement Introduction Regulatory Authority and Operating...

... it is essential that it does respond with 100 percent reliability whenever the need arises. When a completion is being designed particular attention should be placed on the selection of the SCSSV to ensure that the best choice of valve is made to suit the well conditions. Summary This report outlines...