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Drilling is a key part of oil and gas field development and occurs during multiple phases. During exploration, wells are drilled to gain understanding of new discoveries, though these are difficult and costly due to uncertainties. Appraisal drilling further delineates any finds and aids development planning. Most wells are drilled during the development phase, consuming 30-50% of total investment. Drilling technology has advanced from land rigs to offshore rigs mounted on platforms, semi-submersibles, and d

Author

giselechaves

Language

EN