Science – Society – Technology
Table 1 Pressure and temperature survey and well investigation data (Marbun 2013; PT Geo Dipa Energi 2019)
From: Casing failure identification of long-abandoned geothermal wells in Field Dieng, Indonesia
Data category | Well HCE9B | Well HCE28B |
|---|---|---|
Pressure and temperature survey | ||
Initial static survey | ✓ | ✓ |
Updated static survey | ✓ | ✓ |
Well investigation | ||
Sinker bar | ✓ | ✓ |
Sample catcher | Yes, found metal debris | Yes, found silica debris |
Impression block | Not performed | Yes, found casing collapse marking |