Geothermal sea water desalination system (GSWDS) using abandoned oil/gas wells.
Sign Up to like & getrecommendations! Published in 2017 at "Geothermics"
DOI: 10.1016/j.geothermics.2017.01.008
Abstract: Abstract Nowadays, the water crisis has turned to be a major problem in all over the world. Fresh water shortage and energy intensive process are the reasons underlying water crisis. Seawater desalination can be a… read more here.
Keywords: gas wells; water; abandoned oil; desalination ... See more keywords
Flowing bottomhole pressure prediction for gas wells based on support vector machine and random samples selection
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2017.04.134
Abstract: Abstract Dynamic analysis and optimum production strategies of gas wells demand accurate prediction of flowing bottomhole pressure (FBHP). Due to the existence of many uncertain relations between the changeable influence factors and the limitations of… read more here.
Keywords: flowing bottomhole; gas wells; prediction; support vector ... See more keywords
An analytical solution of multi-layered thick-walled tubes in thermo-elasticity with application to gas-wells
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Pressure Vessels and Piping"
DOI: 10.1016/j.ijpvp.2018.01.001
Abstract: Abstract Gas-wells are composed of several layers of different materials and undergo at least axial loads, internal and external pressure and temperature differences from inside to outside. In this article, an analytical solution for thick-walled… read more here.
Keywords: gas wells; walled tubes; thick walled; gas ... See more keywords
Liquid loading prediction and identification model for vertical and inclined gas wells
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2020.103641
Abstract: Abstract Defined as the backflow of a liquid film into a wellbore, liquid loading is a severe issue for gas wells because it decreases the production rate of gas. If the rate of liquid accumulation… read more here.
Keywords: gas wells; liquid loading; gas; vertical inclined ... See more keywords
Cement sheath integrity of shale gas wells: A case study from the Sichuan Basin
Sign Up to like & getrecommendations! Published in 2018 at "Natural Gas Industry B"
DOI: 10.1016/j.ngib.2017.11.004
Abstract: Abstract Sustained annulus pressure and casing deformation of gas wells are common in several shale gas demonstration areas in the Sichuan Basin. In view of this, the conditions for pressure change inside the wellbore in… read more here.
Keywords: pressure; gas wells; gas; cement sheath ... See more keywords
Casing deformation from fracture slip in hydraulic fracturing
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.03.010
Abstract: Abstract Casing failure during hydraulic fracturing is infrequent, but its consequence and impact can be significant for the shale gas wells. It may result in inaccessible cased hole and environmental and safety concerns over wellbore… read more here.
Keywords: deformation; gas wells; shale gas; hydraulic fracturing ... See more keywords
Numerical simulation of casing deformation during volume fracturing of horizontal shale gas wells
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.08.067
Abstract: Abstract Casing deformation problems occur frequently during volume fracturing of shale gas wells. It is crucial to assess the casing deformation near heel (the beginning of the horizontal wellbore trajectory) where natural faults exist among… read more here.
Keywords: shale gas; casing deformation; deformation; cement sheath ... See more keywords
Performance evaluation of analytical methods in linear flow data for hydraulically-fractured gas wells
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2021.109467
Abstract: Abstract Hydraulically fractured wells drilled in unconventional gas reservoirs are often produced with significantly high fixed drawdown to increase production. However, such unconventional gas wells exhibit extended periods of linear flow regime which could last… read more here.
Keywords: linear flow; gas wells; fracture; analytical methods ... See more keywords
A deep-learning-based prediction method of the estimated ultimate recovery (EUR) of shale gas wells
Sign Up to like & getrecommendations! Published in 2021 at "Petroleum Science"
DOI: 10.1016/j.petsci.2021.08.007
Abstract: Abstract The estimated ultimate recovery (EUR) of shale gas wells is influenced by many factors, and the accurate prediction still faces certain challenges. As an artificial intelligence algorithm, deep learning yields notable advantages in nonlinear… read more here.
Keywords: gas wells; eur; deep learning; gas ... See more keywords
Friction-wear failure mechanism of tubing strings used in high-pressure, high-temperature and high-yield gas wells
Sign Up to like & getrecommendations! Published in 2020 at "Wear"
DOI: 10.1016/j.wear.2020.203576
Abstract: Abstract This study establishes a flow-induced nonlinear vibrations (FINV) model of tubing string using micro-finite element and energy methods along with the Hamilton variational principle. This model helps address the wear failure of tubing strings… read more here.
Keywords: gas wells; temperature; rate; tubing string ... See more keywords
Turbulent displacement flows in primary cementing of oil and gas wells
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Fluids"
DOI: 10.1063/1.5056169
Abstract: There is a widely popular perception in the cementing community that the turbulent regime should be used where possible in primary cementing of oil and gas wells. We conduct a detailed numerical study and analyze… read more here.
Keywords: displacement flows; cementing oil; gas wells; displacement ... See more keywords