Results 21 to 30 of about 71,707 (286)
Selection and Application of Beam Pumping Unit for Heavy Oil Production
Beam pumping units were among the first and are still among the most widely used artificial lift systems. This study investigates the components of beam pumping units and the manufacturing mechanism and design procedure recommended by Recommended Practice and the QRod simulator.
Raddad S. Bahuda +3 more
openaire +1 more source
Development and Application of Ball Screw Pumping Unit
At present, 12,000 rod pumped wells are implementing intermittent pumping system in the Daqing Oilfield, however, due to insufficient downhole feed flow, the use of conventional walking-beam pumping unit seriously affects the economic, efficient, energy ...
Zheng Dongzhi
doaj
DESIGNING FEATURES OF POWER OPTICAL UNITS FOR TECHNOLOGICAL EQUIPMENT [PDF]
This paper considers the question of an optical unit designing for transmitting power laser radiation through an optical fiber. The aim of this work is designing a simple construction unit with minimized reflection losses.
M. Y. Afanasiev +2 more
doaj +1 more source
Identification of the Four-Bar Linkage Size in a Beam Pumping Unit Based on Cubature Kalman Filter
While the size of the four-bar linkage is the basis of kinematic performance analysis in a beam pumping unit, there is still a lack of effective and direct measurement of it.
Jiaojian Yin, Dong Sun, Hongzhang Ma
doaj +1 more source
Assessment of load of beam-balanced pumping units by electric motor power indicators
The results of experimental studies on the loading of beam-balanced pumping units (BP) of sucker rod- pumping equipment (SRPE) are presented. It is noted that the key factor that has the most significant effect causing the SRPE failure is the balance of ...
D. I. Shishlyannikov, A. A. Rybin
doaj +1 more source
Comparison of laser performance for diode-pumped Tm:YLF of various doping concentrations
Single-end-pumped laser performance of 2, 4, and 6at.% Tm-doped YLF rods is reported. For the pumping configuration employed, crystal fracture was observed to occur for a thermal load per unit absorption length of ~13W/cm.
Clarkson, W.A. +3 more
core +1 more source
Novel physical network algorithm for indirect measurement of polished rod load of beam-pumping unit
A novel neural network algorithm for indirect measurement of the polished rod load of the beam-pumping unit is proposed. The dynamometer card is a two-dimension graph of polished rod load versus horse head position, and it is widely used for working ...
Ke Wang +6 more
doaj +1 more source
The efficiency of sucker rod pump installations, which have become widespread in mechanized lift practice, is largely determined by the balance of the drive.
Kamil R. Urazakov +2 more
doaj +1 more source
Fault Diagnosis Algorithm of Beam Pumping Unit Based on Transfer Learning and DenseNet Model
The difficulty of collecting fault data samples is one of the application problems of the deep learning method in fault diagnosis of mechanical production; the second is that when the depth of the learning network increases, the network accuracy is ...
Yu Wu +4 more
doaj +1 more source
High power laser apparatus and system [PDF]
A high-power, continuous-wave laser was designed for use in power transmission and energy-collecting systems, and for producing incoherent light for pumping a laser material. The laser has a high repetitive pulsing rate per unit time, resulting in a high-
Brandhorst, H. W., Jr. +1 more
core +1 more source

