Drilling Fluid Formation Damage in Geothermal Wells
- Key words
- Drilling; USA; California; Imperial; Permeability
- Conference
- Geothermal Resources Council Transactions
- Year
- 1978
- Session
- Drilling fluids; Drilling; Liquid dominated reservoirs; Form
- Language
- English
Abstract
Matrix type hot water reservoirs are highly susceptible to near well bore permeability impairment due to drilling fluid filtrate and particle invasion. The drilling fluids must be properly formulated to allow an efficient drilling operation and yet neither interact with the formation and insitu fluids nor permanently plug the formation. Examination of the unique factors in matrix type geothermal reservoirs lades to steps which can be taken to alleviate formation damage problems during drilling.
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