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Table 5 Mandatory aspects in designing geothermal well in Field Dieng

From: Casing failure identification of long-abandoned geothermal wells in Field Dieng, Indonesia

No. Flow paths of wellbore drilling design and integrity based on common SOP and best engineering practice Mandatory
1. Casing setting depth—Philippines’ method (temperature 220 °C, fluid is water dominant)
2. Casing design—strength correction due to high thermal effect
3. Casing grade selection with high thermal effect consideration
4. Proper data storage and management
5. Proper directional drilling design and operational