Results 281 to 290 of about 62,218 (321)

Modeling and Parametric Study on Drag Torque of Wet Clutch

2012
In order to analyze the power torque characteristics of wet clutch produced under the disengaging state and reduce the drag torque of wet clutch, a flow rate equation under full film state was deduced based on the Navier-Stokes equations and a new equation calculated oil film equivalent radius was derived according to the relationship of oil flow rate ...
Heyan Li, Qi Jing, Biao Ma
openaire   +1 more source

Drag, lift, and torque on a prolate spheroid resting on a smooth surface in a linear shear flow

, 2021
P. Fillingham, R. S. Vaddi, Andrew Bruning, Gunnar Israel, I. Novosselov   +4 more
semanticscholar   +1 more source

Modelling of a detailed bow spring centralizer description in stiff-string torque and drag calculation

Geoenergy Science and Engineering, 2023
N. Dao, M. Mahjoub, S. Menand, K. Nguyen
semanticscholar   +1 more source

Drag and torque acting on a sphere rotating in the streamwise direction for the Reynolds number range of 0.02 ≤ Re ≤ 200

Journal of Mechanical Science and Technology, 2017
Hojun Lee, Changhoon Lee
semanticscholar   +1 more source

Scientific machine learning in torque and drag drillstring calculations

Extended reach (ER) drilling is a method of directional drilling defined by creating wellbores that stretch horizontally across the surface of the earth for long distances. This has proven to be a particularly useful method in the oil and gas industry, as the extra distance can allow operators to maximize productivity of a well, and also can allow them
openaire   +1 more source

A Stiff-String Model for Torque and Drag Analysis in Directional Wells

The Arabian journal for science and engineering, 2022
Mansour Mayouf, A. Hadjadj
semanticscholar   +1 more source

Robust Torque-and-Drag Analysis for Well Planning and Drillstring Design

Journal of Petroleum Technology, 1998
This article is a synopsis of paper SPE 39321, "A Robust Torque-and-Drag-Analysis Approach for Well Planning and Drillstring Design," by O.A. Adewuya, SPE, and S.V. Pham, SPE, Baker Hughes Inteq, scheduled for presentation at the 1998 IADC/SPE Drilling Conference, Dallas, 3-6 March.
openaire   +1 more source

Method and apparatus for monitoring of downhole dynamic drag and torque of drill-string in horizontal wells

, 2018
Yang Liu, Tianshou Ma, Ping Chen, Chuan Yang   +3 more
semanticscholar   +1 more source

Drag and Torque Prediction Based on Well Trajectory Similarity

2022
Yuanyuan Shen, Zaiming Wang, Wei Song, Xiaofeng Xu, Xiangyin Li   +4 more
openaire   +1 more source

Investigation on the ball screws no-load drag torque in presence of lubrication through MBD simulations

Mechanism and Machine Theory, 2021
A. Bertolino, G. Jacazio, S. Mauro, M. Sorli   +3 more
semanticscholar   +1 more source