WELLBORE STABILITY ANALYSIS IN UNDERBALANCED DRILLING CONDITION IN OVERPRESSURE ZONE: CASE STUDY FROM WELLS DRILLED IN SOUTH SUMATRA BASIN
Overpressure was identified in the South Sumatra Basin at various depths starting at 2000 ft. There is an indication that in some fields, wells were drilled in underbalanced conditions with mud weight >1 ppg (pounds per gallon) lower than the overpressure. However, there was no evidence of well f...
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| Format: | Theses |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/53604 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |