Hydraulic loss analysis of turbodrill blade cascades based on entropy production theory

Y Gong, Y Liu, C Peng - Geoenergy Science and Engineering, 2024 - Elsevier
Turbodrill is a kind of high-temperature resistant downhole motor which is commonly used in
drilling deep and high-temperature wells. It belongs to multi-stage axial flow turbomachinery …

[HTML][HTML] Optimization design for turbodrill blades based on a twisting method

Y He, Y Wang, D Zhang, Y Xu - Journal of Petroleum Science and …, 2021 - Elsevier
Turbodrills are essential tools used for deep drilling at high temperatures, but have the
drawbacks of high rotation speed and low torque. The stator and rotor blades are the most …

Flow simulation and performance analysis of a drilling turbine

K Sahnoune, A Benbrik, ASM Mansour… - Journal of Engineering …, 2020 - kuwaitjournals.org
W ö)« Page 1 Journal of Engg. Research Vol. 8 No. (3) September 2020 pp. 255-270
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Performance prediction of a turbodrill based on the properties of the drilling fluid

D Zhang, Y Wang, J Sha, Y He - Machines, 2021 - mdpi.com
High-temperature geothermal well resource exploration faces high-temperature and high-
pressure environments at the bottom of the hole. The all-metal turbodrill has the advantages …

[PDF][PDF] Influence of the Flow Characteristics and Mud Physical Properties on the Performance of a Drilling Turbine.

K Sahnoune, A Benbrik, AS Mansour… - Petroleum & …, 2021 - researchgate.net
For turbo drilling machine operations, several types of drilling mud can be used. The major
factors influencing the choice of drilling fluid are: Cost, ecological impact, and the technical …

[PDF][PDF] Flow Simulation inside an Axial Downhole Turbine

K Sahnoune, A BENBRIK, AS Mansour… - International …, 2018 - researchgate.net
Turbodrills are an axial hydraulic turbines which are used in drilling hydrocarbons in
extreme conditions, possessing advantages over other drilling techniques with their high …