Results 41 to 50 of about 9,333,414 (344)

Experimental study of petrophysical properties of a tight formation by considering the clay minerals and flow sensitivities

open access: yesEarth Sciences Research Journal, 2016
Quantitative X-ray diffraction analysis of rock, X-ray diffraction analysis of clay minerals types and components, Field Emission Scanning Electron Microscope (FESEM) and sensitivity flow experiments methods were used toresearch the effects of clay ...
Guangfen Liu   +4 more
doaj   +1 more source

Formation damage induced by wax deposition: laboratory investigations and modeling

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
There are oil fields, wherein favorable conditions for the formation damage induced by wax deposition are created during production. The damage can be expressed by a decrease in porosity and permeability and a reduction in the drainage area.
M. S. Sandyga, I. Struchkov, M. Rogachev
semanticscholar   +1 more source

Positive regulation of meiotic DNA double-strand break formation by activation of the DNA damage checkpoint kinase Mec1(ATR) [PDF]

open access: yes, 2013
During meiosis, formation and repair of programmed DNA double-strand breaks (DSBs) create genetic exchange between homologous chromosomes-a process that is critical for reductional meiotic chromosome segregation and the production of genetically diverse ...
Allison, Rachal M   +4 more
core   +1 more source

The effect of CO2-enriched water salinity on enhancing oil recovery and its potential formation damage: an experimental study on shaly sandstone reservoirs

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
Many experimental investigations on carbonated water injection (CWI) have shown an increase in oil recovery which CWI is defined as the process of injecting CO2-saturated water in oil reservoirs as a displacing fluid.
Ehsan Yazdani Sadati   +4 more
semanticscholar   +1 more source

Simulation and Experimental Studies of Mineral Scale Formation Effects on Performance of Sirri-C Oil Field under Water Injection [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2011
Water injection is an enhanced oil recovery method which is applied for number of reservoirs especially in the offshore fields around the world. Sea-water injection process is usually associated with important concerns affecting the efficiency, safety ...
Amir Taheri   +5 more
doaj  

Unexpected transformation of dissolved phenols to toxic dicarbonyls by hydroxyl radicals and UV light. [PDF]

open access: yes, 2018
Water treatment systems frequently use strong oxidants or UV light to degrade chemicals that pose human health risks. Unfortunately, these treatments can result in the unintended transformation of organic contaminants into toxic products.
Ford, Breanna   +3 more
core   +1 more source

Synthesis and Experimental-Modelling Evaluation of Nanoparticles Movements by Novel Surfactant on Water Injection: An Approach on Mechanical Formation Damage Control and Pore Size Distribution [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2020
Water injection is used as a widespread IOR/EOR method and promising formation damages (especially mechanical ones) is a crucial challenge in the near-wellbore of injection wells.
Mohammad Parvazdavani   +2 more
doaj   +1 more source

Experimental Design for Evaluation of Formation Damage by Microbial Contamination in Water Flooding Processes. A Colombian Study Case.

open access: yesRevista Fuentes El Reventón Energético, 2019
Microbial contamination is well known in the oil and gas industry and it occurs in most processes where water processing systems are involved. Microorganisms are spread everywhere, even in the subsurface, where operations of oil exploration and ...
Manuel Guillermo   +2 more
doaj   +1 more source

Using CT scanning technology to investigate microscopic pore structure characteristics of low-permeability reservoir rocks after water sensitivity experiments

open access: yes地质科技通报, 2023
CT scanning and core flooding experiments were combined to investigate the change in microscopic pore structure of low-permeability reservoir rocks due to the water sensitivity effect.
Xinling Hu, Hao Lei
doaj   +1 more source

Experimental investigation of rheological properties and formation damage of water-based drilling fluids in the presence of Al2O3, Fe3O4, and TiO2 nanoparticles

open access: yesBiointerface Research in Applied Chemistry, 2020
The successful drilling of the oil and gas wells almost relies upon the drilling fluid properties. Maintaining wellbore stability, transportation, and releasing cuttings at the surface, and controlling formation pressure are the essential functions of ...

semanticscholar   +1 more source

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