Results 31 to 40 of about 9,333,414 (344)

Failure analysis of CFRP laminates subjected to Compression After Impact: FE simulation using discrete interface elements [PDF]

open access: yes, 2013
This paper presents a model for the numerical simulation of impact damage, permanent indentation and compression after impact (CAI) in CFRP laminates.
Bouvet, Christophe   +2 more
core   +3 more sources

Treatment of Oil Production Data under Fines Migration and Productivity Decline

open access: yesEnergies, 2023
Fines migration is a common cause of permeability and, consequently, injectivity and productivity decline in subterranean reservoirs. Many practitioners implement prevention or remediation strategies to reduce the impact of fines migration on field ...
Grace Loi   +5 more
doaj   +1 more source

Nickel(II)-catalysed oxidative guanine and DNA damage beyond 8-oxoguanine [PDF]

open access: yes, 2007
Oxidative DNA damage is one of the most important and most studied mechanisms of disease. It has been associated with a range of terminal diseases such as cancer, heart disease, hepatitis, and HIV, as well as with a variety of everyday ailments.
Kelly, Michele C.   +3 more
core   +1 more source

Giant cell formation produced by laser microbeam irradiation of chromatin in Chinese hamster cells [PDF]

open access: yes, 1981
A pulsed laser microbeam of wavelength 532 nm was used to produce visible small lesions in the nucleoplasm or in the cytoplasm of V79 Chinese hamster cells.
Altmann   +34 more
core   +2 more sources

RNase H enables efficient repair of R-loop induced DNA damage. [PDF]

open access: yes, 2016
R-loops, three-stranded structures that form when transcripts hybridize to chromosomal DNA, are potent agents of genome instability. This instability has been explained by the ability of R-loops to induce DNA damage. Here, we show that persistent R-loops
Amon, Jeremy D, Koshland, Douglas
core   +1 more source

Characteristics of Clay-Abundant Shale Formations: Use of CO2 for Production Enhancement

open access: yesEnergies, 2017
Clay-abundant shale formations are quite common worldwide shale plays. This particular type of shale play has unique physico-chemical characteristics and therefore responds uniquely to the gas storage and production process.
Chengpeng Zhang   +3 more
doaj   +1 more source

The Utilization of Ultrasound for Improving Oil Recovery and Formation Damage Remediation in Petroleum Reservoirs: Review of Most Recent Researches

open access: yesEnergies, 2022
The ultrasound method is a low-cost, environmentally safe technology that may be utilized in the petroleum industry to boost oil recovery from the underground reservoir via enhanced oil recovery or well stimulation campaigns.
Ephraim Otumudia   +3 more
doaj   +1 more source

Experimental Study on Preventing Formation Damage Due to Clay Swelling Caused by Water Based Drilling Fluid Using Aluminum Ion Based Clay Inhibitor [PDF]

open access: yesJournal of Petroleum Science and Technology, 2021
Formation damage is an unfavorable challenge that occurs during drilling. The present study reports the applicability of aluminum complex (AC, the combination between Al ion of aluminum sulfate (AS) and ethylenediaminetetraacetic (EDTA)) as a permanent ...
Ghasem Zargar   +3 more
doaj   +1 more source

Effect of Pore-Throat Microstructures on Formation Damage during Miscible CO2 Flooding of Tight Sandstone Reservoirs

open access: yes, 2020
Pore and throat blockage and wettability alteration caused by asphaltene deposition are serious problems during the injection of CO₂ into subsurface reservoirs for enhanced oil recovery (EOR).
Qian Wang   +5 more
semanticscholar   +1 more source

A parametric study to numerically analyze the formation damage effect

open access: yesEnergy exploration & exploitation, 2020
Spontaneous countercurrent imbibition is one of the essential parameters in the study of formation damage effect in hydrocarbon reservoirs when the drilling fluid is contacted with the drilled formation.
A. Davarpanah   +2 more
semanticscholar   +1 more source

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