Drill-Stem Testing Services (DST)

  Siam Company provides drillstem test (DST) jobs for cased hole wells after perforation or for produced wells during workover (e.g. change pump).


   Downhole shut-in during testing reduces considerably duration of test (BU) that helps to achieve test objectives economically. It can provide fluid sampling and measure reservoir pressure, productivity, permeability and skin by downhole opening and closing.


   DST string can provide testing of multiple zones to obtain information on individual zonal contributions in one trip and to save time.