Results 61 to 70 of about 258 (181)

Design of the Polished Rod Load Simulation System for Pumping Unit Type Test

open access: yesShiyou jixie, 2017
To simulate the polished rod load of the pumping unit, a new polished rod load simulation test device has been designed. In the simulation test device, throttle valve and relief valve has been used to simulate the oil load of pumping unit, the heavy load
Wang Hongbo   +3 more
doaj  

A Dual Barrel Well Washable Screw Pump

open access: yesShiyou jixie, 2016
Well washing is unable to conduct after solid screw pump is set.The settled sand on the pump usually leads to high torque of sucker rod when re-open, causing overload of sucker rod and leading to rod breaking off and thread damage.The necessity of ...
Huang Runjing   +5 more
doaj  

MODELING OF DYNAMOMETER CARDS IN QUASISTEADY OPERATION MODES OF SUCKER ROD PUMPS

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2015
The article presents the dependences, permitting to calculate the fluid level in the annulus of the sucker rod pump (SRP) at step changing of the beam-pumping unit actions number and to simulate the SRP dynamometer cards .
V. D. Kovshov   +2 more
doaj   +1 more source

Sucker rod string design of the pumping systems

open access: yesIngeniería e Investigación, 2015
The existing design of sucker rod string mainly focuses on the simplifying assumptions that rod string was exposed to simple tension loading. And its goal was to have equal modified stress at the top of each taper. The improved rod design was to have the same degree of safety at each section, and it used a dynamic force distribution that was ...
openaire   +5 more sources

Dynamic characteristics of high-displacement rod pumping systems in SAGD oil wells

open access: yesJournal of Petroleum Exploration and Production Technology
Steam Assisted Gravity Drainage (SAGD) technology is crucial to the development of unconventional oil and gas resources. However, the complex operating conditions and dynamic challenges of high-displacement sucker-rod pumping systems limit economic ...
Yang Shangyu   +5 more
doaj   +1 more source

Artificial lift technique of multistage sliding vane pump used in thermal production well

open access: yesPetroleum Exploration and Development, 2013
For low efficiency and poor high-temperature resistant performance of the conventional artificial lift systems, a new sliding vane pump and the matched lift system were designed, and the pump property study, field test and economy analysis were conducted.
Zejun SHEN   +5 more
doaj   +1 more source

Performance Analysis and Evaluation of HY Type Sucker Rod

open access: yesShiyou jixie, 2017
The sucker rod is a power transmission device connecting the pumping unit and the deep well pump, which is an important part of the rod pumping system. The failure of the sucker rod directly affects the normal production of the artificial lifting system.
Chen Han   +6 more
doaj  

SUSTAINABILITY ASPECTS OF PROGRESSIVE CAVITY PUMPS USED IN OIL PRODUCTION [PDF]

open access: yesFiabilitate şi Durabilitate, 2013
Pump, sucker rod and tubing string wear is directly proportional to the number of revolutions,therefore the use of larger displacement pumps operated at lower speeds can significantly extend equipmentlife.
Marius STAN
doaj  

Stability of a controlled sucker-rod pump unit drive under operating conditions and during voltage dips in the electrical network

open access: yesГорные науки и технологии
The use of a variable frequency drive (VFD) for sucker-rod pump units (SRPUs), widely employed in oil extraction, enhances the energy and technological efficiency of oil production and reduces equipment wear.
M. S. Ershov, E. S. Efimov
doaj   +1 more source

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