Results 201 to 210 of about 1,886 (262)

Evidence that freshwater mussels attempt temporal partitioning of their host fishes. [PDF]

Sci Rep
Smodis SL, Morris TJ, Ackerman JD.
europepmc   +1 more source

Reading and relating with Frieda Fromm‐Reichmann and Joanne Greenberg

Critical Quarterly, EarlyView.
Joshua Pugh
wiley   +1 more source

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Submersible pumping plant

Proceedings of the IEE Part A: Power Engineering, 1960
Submersible pumping units have been developed to a sufficiently high degree of reliability and efficiency to capture a large part of the field previously held by the conventional borehole pump with surface motor. The paper commences with a description of the submersible pump and the submersible motor as separate units, together with sectional drawings,
H.H. Anderson, W.G. Crawford
openaire   +2 more sources

Life of Submersible-Pump Components

Russian Engineering Research, 2018
Calculations of the total life of submersible-pump components (the screw and cage) are analyzed. On the basis of Ivashkov’s recommendations, a calculation method is proposed for the screw, which is the weak link in the system.
M. M. Akhmedpashaev, M. U. Akhmedpashaev, Zh. B. Begov   +2 more
openaire   +1 more source

A Variable Speed Submersible Pumping System

SPE Annual Technical Conference and Exhibition, 1979
Abstract A major new artificial lift system has been developed which will enhance the economics of many waterflood projects in West Texas and other recovery operations around the world. The new lift system consists of a standard oil well submersible pump and motor, a downhole pressure and temperature monitor and a ...
openaire   +1 more source

Electrical Submersible Pump

2020
Electrical Submersible Pump (ESP) in oil and gas industry is a multistage centrifugal pump used to lift moderate or high volumes of fluids from wellbores. In other words, ESP is one of the artificial lift methods that uses a downhole pump to provide an additional energy or additional lift to fluids inside the wellbore and hence improve hydrocarbon ...
openaire   +1 more source

The Development Of Bottom Discharge Submersible Pumps

Middle East Technical Conference and Exhibition, 1979
Abstract Abu Dhabi Company for Onshore Oil Operations (ADCO) employs water injection for pressure maintenance in its three major oil-producing fields. An auto-dump injection scheme is used to naturally inject water from overlying aquifers into the reservoir due to the differential pressure.
openaire   +1 more source

Sludge pumping with hydraulic submersible pumps

World Pumps, 2005
In this contribution from the USA, Peter Snow of Godwin Pumps highlights the usefulness of diesel-driven hydraulic submersible pumps in the challenging application of sludge pumping. Advantages include the pumps' variable operating speed and their ability to handle thick sludges without the addition of water.
openaire   +1 more source

Submersible Water Well Pumps

Journal AWWA, 1960
Practically all large metropolitan areas obtain their water supply from lakes, rivers, or reservoirs, but most smaller towns and a good number of larger cities pump their water from deep wells. The search for additional water in areas served by deep wells has led to deeper and deeper wells and pump settings.
openaire   +1 more source

Diagnosis of Operating Conditions of the Electrical Submersible Pump via Machine Learning

Sensors, 2023
Osvaldo Chiavone-Filho
exaly