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- W138736138 abstract "The program objective is to conduct long-range R and D aimed at developing advanced geothermal drilling and completion systems to expand resource utilization. The program is organized into four broad categories: (1) rock penetration mechanics, (2) drilling fluids, (3) borehole mechanics, and (4) diagnostics technology. Although much effort has been concentrated on bit development under rock penetration mechanics, current work focuses on understanding the limitations of drag bits as they apply to hard rock drilling systems. Fluid technology R and D addresses the high temperature, high corrosion and abnormal pressure problems found in geothermal areas. A high-temperature clay-based mud has been developed. The R and D in borehole mechanics addresses the problems of lost circulation and lining and cementing the well, as well as problems of production maintenance such as perforating and scale removal. Well logging and downhole instrumentation R and D activities are organized under the diagnostics technology program element." @default.
- W138736138 created "2016-06-24" @default.
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- W138736138 date "1982-01-01" @default.
- W138736138 modified "2023-10-18" @default.
- W138736138 title "USA program in geothermal drilling and completion research and development" @default.
- W138736138 hasPublicationYear "1982" @default.
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