The key to useful data depends on proper sampling. Provisions for proper sampling of oils and condensates should be included in all well proposals, tests, completions, and workover programs. The following list gives when to sample wells for oils: | The key to useful data depends on proper sampling. Provisions for proper sampling of oils and condensates should be included in all well proposals, tests, completions, and workover programs. The following list gives when to sample wells for oils: |