Results 21 to 30 of about 148,026 (279)

A Fault Diagnosis Method for Oil Well Electrical Power Diagrams Based on Multidimensional Clustering Performance Evaluation [PDF]

open access: yesSensors
In oilfield extraction activities, traditional downhole condition monitoring is typically conducted using dynamometer cards to capture the dynamic changes in the load and displacement of the sucker rod.
Xingyu Liu   +5 more
doaj   +2 more sources

Dynamic Analysis of Beam Pumping Unit [PDF]

open access: yesProceedings of the 2017 7th International Conference on Applied Science, Engineering and Technology (ICASET 2017), 2017
Qiang Sun   +3 more
openaire   +2 more sources

Research and Analysis of the Energy Saving Pulley Reducer

open access: yesJixie chuandong, 2016
In order to solve the problem of existing beam pumping unit reducer,the belt transmission mechanism is difficult to meet the long stroke and low speed,the contradiction of the energy requirements and form a complete set of small power motor,and the start
Fan Shiyao, Ren Xiaoming
doaj   +2 more sources

A Bayesian-optimized convolutional neural network bidirectional gated recurrent unit model for dynamometer card reconstruction in beam pumping units [PDF]

open access: yesMechanical Sciences
The surface dynamometer card (DC) of beam pumping units plays a critical role in monitoring well conditions and adjusting pumping parameters. While several data-driven approaches based on deep learning have been applied to this task, they often suffer ...
Z. Ye, C. Li, Z. Liu, H. Wang
doaj   +2 more sources

Optimization Design of Pumping Unit Reversing Mechanism based on Output Swing Angle Analysis

open access: yesJixie chuandong, 2019
Aiming at the problem that the output angle of the elliptical gear planetary gear train reversing mechanism with small beam pumping unit is small and can not meet the long stroke demand, the influencing factors of the output swing angle of the mechanism ...
Liu Yongping Li Dawei Dong Changbin
doaj   +2 more sources

Fatigue Life Evaluation of Reducer Box of Beam Pumping Unit based on Rain Flow Method

open access: yesJixie chuandong, 2018
The light weight design of the reducer is one of the most important research topics in the field of mechanical transmission,the box is a very important part of the reducer.
Shang Huichao, Yang Shufeng
doaj   +2 more sources

Crank modification of direct drive beam pumping unit based on analysis of dynamics and balance mechanism

open access: yesIOP Conference Series: Earth and Environment, 2021
In view of the problems existing in the power end drive mechanism of conventional beam pumping units, the power end drive mechanism has been improved through optimized design.
H. Rong, Li Zhang, Kejun Cai, Xu Wang
semanticscholar   +1 more source

Improving the Beam-Balanced Pumping Unit

open access: yesBulletin of Kalashnikov ISTU, 2019
Описана усовершенствованная телескопическая конструкция головки с балансиром, электродвигателем c дистанционным управлением, возможностью менять длину плеча балансира для подготовки привода штанговой скважинной насосной установки (ШСНУ) к проведению оперативного ремонта скважин с минимальным участием человека.
A.V. Volokhin   +2 more
openaire   +2 more sources

Improving the Estimation of a Sucker Rod Pumping Dynamometer Card Based on the Terminal Quantities of the Driving Motor

open access: yesIEEE Access, 2023
Rod pumping systems typically require the analysis of dynamometer cards for fault diagnosis. While external instrumentation assists in obtaining these cards, it simultaneously raises monitoring costs and complexity.
Lazaro Edmilson Brito Silva   +3 more
doaj   +1 more source

Dependence of mode profile on the pumping configuration of a LED-pumped Ce:Nd:YAG laser [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2021
Transverse intensity distribution or laser mode profile is one of the most important characteristics of a laser oscillator. In the present study, mode profile of a LED-pumped Ce:Nd:YAG laser oscillator and its dependency on the geometrical configuration ...
F. Hokmabadi   +2 more
doaj   +1 more source

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