Results 21 to 30 of about 118,015 (312)

Applicability Assessment of Viscoelastic Surfactants and Synthetic Polymers as a Base of Hydraulic Fracturing Fluids

open access: yesEnergies, 2022
Hydraulic fracturing (HF) is currently the most widespread and effective method of oil production stimulation. The most commonly used fracturing fluid is crosslinked guar gels.
Silin Mihail   +5 more
doaj   +1 more source

GRAPH-ANALYTICAL METHOD FOR DETERMINATION OF CAVITATION AREAS IN OIL PIPELINES IN STEADY REGIME [PDF]

open access: yesProceedings on Engineering Sciences
The article provides an overview of free-flow fields and lists the conditions and consequences of their formation, currently known as a hydraulic phenomenon.
Vali Nurullayev , Gafar Ismayilov
doaj   +1 more source

Critical Parameters Affecting Water Alternating Gas (WAG) Injection in an Iranian Fractured Reservoir [PDF]

open access: yesJournal of Petroleum Science and Technology, 2017
Microscopic oil displacement of water flooding and sweep efficiency of continuous gas injection could be improved by water alternating gas (WAG) injection.
seyyed saeed ghorashi, karim Akbari
doaj   +1 more source

Energy efficiency in the South Africa crude oil refining industry drivers, barriers and opportunities [PDF]

open access: yes, 2012
Includes bibliographical references.This study has explored a range of barriers, drivers and opportunities to improving energy performance in the South African crude oil refining industry, thus providing information to further support energy efficiency ...
Bergh, Caitlin
core   +1 more source

Combustion Stability of Offshore Gas Motor Compressors Operating on Associated Petroleum Gas

open access: yesEnergies
Reliable combustion is essential for the efficient and reliable operation of aging offshore gas motor compressors fueled by associated petroleum gas (APG).
Alovsat Baghirov   +3 more
doaj   +1 more source

Reservoir Geology, Hydrocarbon Reserves and Production in the Croatian part of the Pannonian Basin System

open access: yesGeologia Croatica, 2012
Approximately 104 x 106 m3 of oil (39 fields), 6.93 x 106 m3 of condensate (11 fields), and 64.92 x 109 m3 of gas (52 fields), were recovered in the Croatian part of the Pannonian Basin System during 64 years of exploitation (1941–2005).
Josipa Velić   +3 more
doaj   +1 more source

Gas combustion retorting, detailed run summary sheet, C1028-1 [PDF]

open access: yes, 2022
These detailed run summary report sheets are from Retort No. 3 at Anvil Points.The United States Bureau of Mines facility at Anvil Points, near Rifle, Colorado, was reactivated starting in May 1964 and was operated during 1965, 1966, and 1967. A research

core  

Implementation of environmental principles of sustainable development in the mining region [PDF]

open access: yesE3S Web of Conferences, 2020
The extractive regions are experiencing both the economic problems associated with the depletion of the resource base and the relative development of other industries, as well as the environmental problems caused by the depletion of the bowels and the ...
Shavina Evgeniya, Prokofev Viktor
doaj   +1 more source

Gas combustion retorting detailed run summary sheet of retort no. 3 runs C1027-1 start-up [PDF]

open access: yes, 2022
Reports of the Retort No. 3 runs were sent monthly to the Technical Advisory Committee members: Sinclair Research, Inc., Sinclair Oil and Gas Company, Mobil Oil Corporation, Pan American Petroleum Corporation, Esso Research and Engineering Company ...

core  

Optimization of Fracture Sealing Efficiency Based on Machine Learning

open access: yesApplied Sciences
Lost circulation remains a major challenge during well construction, often leading to non-productive time, increased material consumption, and additional treatment costs.
Yelena Shmoncheva   +3 more
doaj   +1 more source

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