1. DST Analysis Using
Ecrine Kappa Saphir

2. Front Page Ecrine (Kappa Saphir)

3. Click New (1) Input data (Main Option) Porosity Sw Well radius
Type fluid
Date test

4. New (2) Input data (Information) Company Well Test type Test date
Formation Interval
Perforation Interval
Type gauge (kode)
Depth Gauge
Analyst name
Analysis date
Click Next

5. QAQC Data
Click Load
Copy/Import asci data from DST/EMR/SRO

6. Loading

7. Loading Data Result

8. Input Rate

9. Klik Interpretation
DERIVATIVE
Skin K P*
Boundary
Investigation Radius

10. History Plot

11. Deliverability

12. Plot Horner
PSS
MTR
Boundary
ETR k
WBS, Skin

13. Rule of thumb
PSS if the transient pressure reach the boundary; Not straightline from horner plot
The time convert to investigation radius to determine the distance & boundary