DRILLING METHOD AND DRILLING APPARATUS

• Main Authors: MIZUNO KENTA, OKADA KAZUNARI, HIRAI MASATOSHI, SUZUKI TAKESHI, HARA MINORU, YOKOI TSUTOMU
• Format: Patent
• Language: English; Japanese
• Published: 06.12.2018
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

To grasp a drilling position more accurately and to perform drilling accurately.SOLUTION: A drilling method according to an embodiment of the present invention includes drilling locus measurement steps (S130, S180), posture measurement steps (S140, S190), and adjustment steps (S210-S260). In the dri...