Technical failure/difficulties during drilling
Generic technical risk for causes not already considered in the risk analysis. Includes irreversible loss, lost in hole, swelling clay, stuck in fault, total mud losses or by dog leg; can be enhanced by special conditions such as high temperature, high corrosion, highly abbrasive environment
Informations
- Category: Technical issues
- Id: E-5
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Phases:
- Drilling / Testing
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Consequences:
- Economic / Performance / Acceptability
Mitigation
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Prevention:
- Exploitation of the equipment according to the manual
- Accurate collection and interpretation of expected geology and their features for securing information on the forecasted drilling difficulties
- Doing new surface geophysical measurements for the better understanding of expected geology and their features for securing information on the forecasted drilling difficulties
- Careful selection of subcontractors and careful contracting, including their insurances
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Corrective measures:
- Fishing operation
More information is available on the project deliverable (link), or navigate on the online version.
