Results 21 to 30 of about 1,557,124 (281)

Influence of Supercritical CO2 on the Formation Sensitivity of Tight Sandstone

open access: yesFrontiers in Energy Research, 2022
It is challenging to get water-based fracture fluid to flow back into low-pressure gas reservoirs. In order to solve the problem, supercritical CO2 is a novel type of non-aqueous fracturing technique with a wide range of applications prospect in low ...
Huan Peng   +12 more
doaj   +1 more source

How should fracking research be funded? [PDF]

open access: yes, 2015
The use of hydraulic fracturing (‘fracking’) to extract oil or gas from shales is a subject of controversy. There are many scientific questions about the risks associated with the technique, and much research remains to be done.
Davies, Richard J., Herringshaw, Liam G.
core   +1 more source

Evaluation of Machine Learning Assisted Phase Behavior Modelling of Surfactant–Oil–Water Systems

open access: yesApplied Sciences
This paper evaluates the ability of machine learning (ML) algorithms to capture and reproduce complex multiphase behavior in surfactant–oil–water systems.
Daulet Magzymov   +3 more
doaj   +1 more source

INTERPRETATION OF PRESSURE BEHAVIOR DIAGRAMS USING REMI’S STANDARD CURVES AND OTHER METHODS IN OIL WELLS

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2015
The authors analyze the dimensionless pressure and the inflow rate using Remi’s curves and other standard curves for determination of reservoir permeability and characteristics of the tested well damage and stimulation.
Mohammed Jawad Zein Al-Abideen   +3 more
doaj   +1 more source

Core Flooding Experiments on the Impact of CO2-EOR on the Petrophysical Properties and Oil Recovery Parameters of Reservoir Sandstones in Kazakhstan

open access: yesGeosciences
This study investigates the impact of CO2-enhanced oil recovery (CO2-EOR) on the petrophysical properties and oil recovery potential of sandstone reservoirs in the oilfields located in the east-southern Precaspian region of Kazakhstan.
Ainash Shabdirova   +5 more
doaj   +1 more source

EVALUATION OF THE STATE OF THE REPAIRED WELL NEAR BOTTOMHOLE ZONE BY SKIN-FACTOR

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2015
This article object of study is a bottomhole zone of exploration wells or repaired wells with positive values of skin-factor. The skin-factor is usually determined at processing of data of hydrodynamic studies of wells under unsteady-state conditions by ...
E. B. Lukash   +3 more
doaj   +1 more source

OPC UA Application Study in Oil and Gas Pipeline Network Monitoring Data Forwarding

open access: yesEAI Endorsed Transactions on Energy Web
INTRODUCTION: With the continuous development of oil and gas pipeline network monitoring and control technology, the need for data transmission and communication is becoming more and more prominent.
Bingqiang Mao   +9 more
doaj   +1 more source

DISTINCTIVE FEATURES OF HYDRODYNAMIC INVESTIGATION OF GAS-CONDENSATE WELLS

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2015
An equation is proposed for constructing a theoretical pressure build-up curve, which takes into account the effect of the well storage capacity, skin effect and presence of condensate in the bottomhole zone.
M. L. Karnaukhov   +3 more
doaj   +1 more source

Structural framework and tectonic evolution of Son Valley sector of Vindhyan Basin, India

open access: yesDiscover Geoscience
The Vindhyan Basin is the largest Proterozoic sedimentary basin located in central India. The extensive sediment volume has attracted petroleum geoscientists to explore the hydrocarbon potential of the basin.
Rajesh Pandey   +5 more
doaj   +1 more source

SOME SPECIFIC FEATURES OF MARGINAL WELLS COMPLETION

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2015
The article presents the generalized experience of marginal oil wells completion. A technology was developed which allows maintaining the stability of the drilled borehole walls stability at the expense of capillary imbibition of the productive stratum ...
O. V. Gagarina   +3 more
doaj   +1 more source

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