Frontier geothermal drilling operations succeed at 500°C BHST

SPE Drilling and Completion

Volumn 15, Issue 3, 2000, Pages 152-161

  Saito, S ^a   Sakuma, S ^a  

^a TOHOKU UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EXPLORATORY BOREHOLES; GEOTHERMAL ENERGY; HIGH TEMPERATURE OPERATIONS; WELL DRILLING; DRILLS; GEOTHERMAL PROSPECTING;

BOTTOMHOLE ASSEMBLY; FORMATION TEMPERATURE; GEOTHERMAL DRILLING; BOTTOM HOLE STATIC TEMPERATURES; COOLING EQUIPMENT; GEOTHERMAL EXPLORATION; MEASUREMENT-WHILE-DRILLING TOOLS; POSITIVE DISPLACEMENT MOTORS; TRAJECTORY CORRECTION;

GEOTHERMAL WELLS; INFILL DRILLING;

BOREHOLE; DRILLING; GEOTHERMAL SYSTEM;

JAPAN;

EID: 0034276514     PISSN: 10646671     EISSN: None     Source Type: Journal    
DOI: 10.2118/65104-PA     Document Type: Conference Paper

References (15)

1. Characteristics of temperature curves and fracture systems in Quaternary granite and Tertiary pyroclastic rocks of NEDO WD-1A in the Kakkonda Geothermal Field, Japan
2. The drilling experience of K6-2, the high-temperature and crooked geothermal well in Kakkonda, Japan
3. NEDO's deep-seated geothermal resources survey at the Kakkonda system, Northeast Japan
4. NEDO deep-seated geothermal resources survey: A link of igneous, metamorphic hydrothermal processes
5. New geophysical exploration methods in NEDO 'Deep-seated geothermal resources survey'
6. Synthetic fluid inclusion logging
7. Recent progress of NEDO's 'Deep-seated geothermal resources survey' project
8. High-temperature application of retrievable MWD systems
9. The highest borehole temperature of 449°C determined by melting of pure metal tellurium at Kakkonda geothermal system, Japan
10. Bottom of hydrothermal convection found by temperature measurements above 500°C and fluid inclusion study of WD-1 in Kakkonda geothermal field, Japan
11. Trajectory correction experiment at 2600 m depth in well WD-1A, Kakkonda, Japan
12. The status of deep geothermal well drilling in Kakkonda, Japan
13. Borehole dynamic temperature survey experiment in WD-1A, Kakkonda, Japan
14. MWD and downhole motor performance in very-high-temperature geothermal well in Kakkonda, Japan
15. Durability study of three-cone bits in the very-high-temperature geothermal wells