Utvidelsesbor for anvendelse i et borehull i undergrunnen, og fremgangsmåte for å utvide et borehull i undergrunnen

• Main Author: Lyons, Nicholas J
• Format: Patent
• Language: Norwegian
• Published: 03.06.2024
• 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

Cutting structures for use with downhole tools in subterranean boreholes include a blade, a plurality of primary cutting elements coupled to the blade, and at least one secondary element rotationally leading the plurality of primary cutting elements in a direction of intended rotation of the cutting...