A Comparative Study of Physicochemical, Dielectric and Thermal Properties of Pressboard Insulation Impregnated with Natural Ester and Mineral Oil [PDF]
Natural ester is considered to be a substitute of mineral oil in the future. To apply natural ester in large transformers safely, natural ester impregnated solid insulation should be proved to have comparable dielectric strength and thermal stability to ...
Yang, Lijun +9 more
core +2 more sources
Study of the depolarization current in mineral oils [PDF]
Polarization and depolarization current measurement is a non-destructive testing method to study the dielectric properties of insulating materials. Two kinds of mineral oils with different aging time have been measured and compared.
Hao, Miao +9 more
core +2 more sources
Petroleum Resource Exploration System: As the Dongying Depression, Bohai Bay Basin, China [PDF]
Bohai Bay Basin is a hot area for research marine petroleum. Petroleum System is an important method to study petroleum. However, facing on more complicated middle-high graded petroleum exploration area, formerly elements of the Petroleum System are not ...
Wang Yang +3 more
doaj +1 more source
Sr AND Nd ISOTOPIC SYSTEMATICS OF MID-CRETACEOUS ORGANIC-RICH ROCKS (OIL SHALES) FROM THE QIANGTANG BASIN: IMPLICATIONS FOR SOURCE REGIONS AND SEDIMENTARY PALEOENVIRONMENT; pp. 109–123 [PDF]
The Mid-Cretaceous oil shale from the Qiangtang Basin represents the potentially largest marine oil shale resource in China. 23 samples, includÂing oil shale and marl, were collected from the Basinâs Shengli River area to determine Sr and Nd isotope ...
XIUGEN FU +6 more
doaj +1 more source
The Rod String Loads Variation during Short-Term Annular Gas Extraction
This paper highlights field studies to determine the nature of variations in the load on the sucker-rod string during short-term gas extraction from the wellbore annulus.
Alexander Vladimirovich Artyukhov +4 more
doaj +1 more source
Simulation of Oil Reservoirs Driving Indices and Recovery Mechanisms
Different recovery mechanisms are activated during the production from reservoirs. Wells sometimes are kept with the injection. Therefore the evaluation of injection indices depended on material injection, seems to be necessary.
Azizollah Khormali +2 more
doaj +1 more source
Compatibility Study of Silicone Rubber and Mineral Oil
In this study, three types of silicone rubbers, namely, insulative silicone rubber, conductive silicone rubber and silicone rubber with conductive as well as insulative layers are investigated for their compatibility with mineral oil.
Smitha Karambar, Stefan Tenbohlen
doaj +1 more source
Evaluation of the possibility of separating commercial phenol from the phenolic fraction of coal tar [PDF]
This article is about the possibility of concentrating commercial coal phenol with a concentration of 99% by the weight method of rectification from the phenolic fraction of coal tar. The sufficiency of phenol is ensured by the kumol method, however, the
Schastnyy Y.O. +2 more
doaj +1 more source
The lithofacies paleogeography for the three successive ages (Rhuddanian, Aeronian and Telychian) in the Middle-Upper Yangtze region of South China in the Early Silurian (Llandoverian Epoch) is reconstructed according to the concept that structures ...
Kenken ZHOU +4 more
doaj +1 more source
This paper addresses geochemical and petrological aspects of two outcropping kimberlites (5023 and 5119) of the Gooty cluster, emplaced in carbonate sediments of Vempalli Formation of lower Cuddapah basin at Krishtipadu, Anantapur district, Andhra ...
Phani P Ramesh Chandra +2 more
doaj +1 more source

