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the geothermal and water
well drilling |
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|
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the drilling for the waste
deposits |
| |
|
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the rehabilitation and
workover of the production wells |
| |
|
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the abodment and the plugging
back of the production wells |
| |
|
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the isolation of the gas
seepage and exhalation from the production wells |
| |
|
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the sealing and cutting
off of the underground production water and hydrocarbons |