Course Outline:

• Test string components, tool operations.

• 1. Tool strings / components for cased holes.
  2. Tool running, hydraulic effects.
  3. Safety, well control.
  4. Special precautions for H2S wells

• Preparation / Planning.

• 1. Downhole conditions, factors affecting inflow.
  2. Selecting flowing and closed-in times.
  3. Identifying, measuring fluid recovery.

• Example DST charts, qualitative analysis.

• 1. Format / nomenclature, flow / pressure effects.
  2. Guidelines for analysis, example charts.

• Calculations, quantitative analysis.

• 1. Buildup data plots, basic assumptions.
  2. Estimating production rate from recovery.
  3. Equations for permeability, flow capacity.
  4. Damage ratio for liquids, gas.
  5. Radius of investigation estimate.
  6. Absolute open flow potential of gas wells.