HT bit technology accesses geothermal energy
The new Kaldera high-temperature (HT) roller cone bit is specially designed to endure high-temperature drilling environments like geothermal wells for extended periods.
In many cases, the tungsten carbide insert (TCI) roller cone bits used to drill hard and abrasive lithologies to access steam or hot rock in basement formations are exposed to temperatures that exceed 500 degF. Under these conditions, a standard 300 degF-rated bit’s elastomer seals and lubricating material quickly degrades, causing bearing failure, resulting in operational inefficiencies: reduced on-bottom drilling hours leading to multiple bit runs and increased development costs.
Advanced seals and grease extend bearing life
Designed with the IDEAS integrated design platform, the Kaldera HT bit represents a new line of roller cone bits with an innovative bearing system that comprises new proprietary composite elastomer seals with specialized fabric compounds and a proprietary high-temperature grease formula. These innovations increase seal life, lubricity, and load capacity at elevated temperatures for HT applications. Proven durability in high-temperature applications.
Proven durability in high-temperature applications
Kaldera roller cone drill bits have a proven track record for high-temperature operations around the world. Our suite of best-in-class HT technology includes products and services for directional drilling, and MLWD. See the HT suite
Tested against baseline bits, in geothermal superheated steam applications where temperatures can reach 530 degF, the new drill bit was clearly the top performer:
- on-bottom drilling time was 3% to 37% greater
- average run length was 33% greater
For more information:
http://www.slb.com/services/drilling/drill_bits/type/roller_cone/kaldera.aspx
The new Kaldera high-temperature (HT) roller cone bit is specially designed to endure high-temperature drilling environments like geothermal wells for extended periods.
In many cases, the tungsten carbide insert (TCI) roller cone bits used to drill hard and abrasive lithologies to access steam or hot rock in basement formations are exposed to temperatures that exceed 500 degF. Under these conditions, a standard 300 degF-rated bit’s elastomer seals and lubricating material quickly degrades, causing bearing failure, resulting in operational inefficiencies: reduced on-bottom drilling hours leading to multiple bit runs and increased development costs.
Advanced seals and grease extend bearing life
Designed with the IDEAS integrated design platform, the Kaldera HT bit represents a new line of roller cone bits with an innovative bearing system that comprises new proprietary composite elastomer seals with specialized fabric compounds and a proprietary high-temperature grease formula. These innovations increase seal life, lubricity, and load capacity at elevated temperatures for HT applications. Proven durability in high-temperature applications.
Proven durability in high-temperature applications
Kaldera roller cone drill bits have a proven track record for high-temperature operations around the world. Our suite of best-in-class HT technology includes products and services for directional drilling, and MLWD. See the HT suite
Tested against baseline bits, in geothermal superheated steam applications where temperatures can reach 530 degF, the new drill bit was clearly the top performer:
- on-bottom drilling time was 3% to 37% greater
- average run length was 33% greater
For more information:
http://www.slb.com/services/drilling/drill_bits/type/roller_cone/kaldera.aspx
