Sentence examples for bottom hole shape is from inspiring English sources

The mathematical model of the relationship between the rock breaking strength and the bottom hole shape is established with a finite element method.

Secondly, the relationship between the rock breaking strength and cutting speed, cutting depth, rock lithology and bottom hole shape are verified by experimental approach and numerical simulation.

The bottom hole shape, which directly affects the effectiveness of rock breaking at different positions around the bottom hole, is the key factor in research on the interaction between a bit and rock.

This paper aims to discuss the influences of bottom hole shape on effectiveness of rock breaking.

The depth of the artificial bottom hole is 1,230.2 m.

The line shape is strongly affected since a hole in the middle is observed.

The mask's shape is roughly a rectangle with a rounded bottom, with places for eyeholes and a mouth hole.

The advantage of air and gas drilling operations is that the bottom hole annulus pressures can be designed to be below the reservoir bottom hole pressure.

The pressure at the bottom-hole is 172 bar.

(P_{w}) is the bottom hole flowing pressure, Pa.

At the bottom of the hole are your talents.