Structural features of gas-liquid mixture
About authors
- 1 — Ph.D., Dr.Sci. associate professor Saint Petersburg State Mining Institute (Technical University)
- 2 — student Saint Petersburg State Mining Institute (Technical University)
- 3 — student Saint Petersburg State Mining Institute (Technical University)
Abstract
the effectiveness of the foam flush drilling connects of foam ability to reduce the friction force and drilling shaft oscillation. The main factors are foam viscosity and foam bubble’s diameter.