Energy conservation in the Earth's crust and climate change

Mu, Yao; Mu, Xinzhi

doi:10.1080/10962247.2012.739501

Cited by 11 publications

(7 citation statements)

References 17 publications

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“…Climate change has become a scientific problem of global interest in the 21st century [1]. Today, the consequences of the use of fossil energy are seen from a different perspective because the issues related to climate change are evident worldwide.…”

Section: Introductionmentioning

confidence: 99%

Assessing the Determinants of Renewable Electricity Acceptance Integrating Meta-Analysis Regression and a Local Comprehensive Survey

Bigerna

Polinori

2015

Sustainability

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Abstract:In dealing with renewable electricity (RE), individuals are involved both as end-consumers on the demand side and as stakeholders (citizens) in the local production process on the supply side. Empirical evidence shows that in many countries, consumers are willing to pay a significant amount to facilitate adoption of RE. By contrast, environmental externalities are often the cause of strong opposition to RE adoption if local communities are involved as stakeholders in wind, solar or biomass investment projects. Looking at the literature on willingness to pay and on willingness to accept, we have investigated RE acceptance mechanisms. First, we have used the meta-analysis to assess the major determinants of RE acceptance on both demand and supply sides. Meta-analysis has provided some insights useful for managing field research on an onshore wind farm enlargement project located in the Umbria region. Meta-analysis and survey results confirm that the local community plays a central role in local RE acceptance. Furthermore, people who have previous experience with windmills require less compensation, or are willing to pay more, for RE development.Results suggest that these attributes should be included in future research to improve understanding of determinants of RE acceptance.

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Section: Introductionmentioning

confidence: 99%

Assessing the Determinants of Renewable Electricity Acceptance Integrating Meta-Analysis Regression and a Local Comprehensive Survey

Bigerna

Polinori

2015

Sustainability

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“…He stated that the differences in the heat, mass, and energy balance between the wellbore and reservoir make the wellbore behave adiabatically. Moreover, Mu and Mu (2013) stated that the oil and gas reservoir acts as a layer of thermal insulation. So…”

Section: Appendix 1: Negligence Of Heat Conductionmentioning

confidence: 99%

Adiabatic behavior of gas wells due to natural reservoir fines migration: analytical model and CFD study

Subramanian¹,

Mahalingam²,

Ravikumar³

et al. 2019

J Petrol Explor Prod Technol

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The adiabatic behavior of natural gas production well is frequently neglected in the reservoir formation damage study. The temperature of surrounding formation contributes to the smooth flow of natural gas in the wellbore. The heat transfer from the formation and geothermal gradient plays vital role in the efficient transport of gas in the subsurface formation and wellbore. But, fine particles which are attached to the rock surface migrate and are trapped in the pore throats, and as a result, there is deterioration in the permeability. The detachment of fines occurs due to high reservoir temperature and gas internal energy and temperature. Therefore, this paper conducts theoretical and numerical investigations on the adiabatic behavior of natural gas production well due to in situ reservoir fines migration. Firstly, an analytical model is developed and then, numerical models were constructed using CFD simulation tool to study the adiabatic nature of a gas well. A total of 24 cases were run in simulation, and input temperatures such as 200 °C, 250 °C, 300 °C, 350 °C, 400 °C and 450 °C were given for modeling. The results revealed that there was no sign of heat transfer from the wellbore to the surroundings. There was a heat circulation only within the wellbore. During the adiabatic state, the pressure in the central zone of the gas well is moderate, but rises linearly on the radial sides.

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“…The role played by thermal emissions in elevating temperature has been the subject of research at the global scale (e.g. [9,10,11,12,13]); regional scale (e.g. [14,15,16]) and local scale (e.g.…”

Section: Thermal Emissions and Global Warmingmentioning

confidence: 99%

Earth Thermal Emissions and Global Warming

Nawaz

Sharif

Wasim

2019

JSRR

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When fossil fuels are extracted from the earth, they are naturally replaced by a layer of water. Water has high thermal conductivity as compared to coal, oil, and gas. This will increase the heat transfer rate from the underground in all directions but most importantly towards the surface of the earth and seas due to the greater temperature difference. Additionally, heat losses and thermal emissions from boreholes will be even higher and given that there are more than 4 million onshore hydrocarbon wells (producing and non-producing) around the world, the heat emissions could be significant. Added to this is the heat from thousands of coal mines across the world. We review the literature and report on temperature trends observed in areas subject to fossil fuel extraction. We find that land and sea areas subject to fossil fuel extraction are experiencing relatively high rates of temperature rise. We examine the case of the Arctic in some detail and compare sea-ice extent change in both the Arctic and Antarctica. We find that despite increasing levels of CO2 observed in the Polar Regions, sea-ice extent is shrinking in the Arctic and expanding in the Antarctic. We believe that a possible cause of shrinking sea-ice in the Arctic could be geothermal heat rising to the surface as a direct result of fossil fuel extraction in regions such as Siberia and Alaska. To provide a crude approximation of the heat released from the earth’s interior and subsequent impact on global average temperature as a result of earth insulation loss, we use worldwide oil and gas production data from 2007 until 2017. We find the subsequent impact on global surface temperature over this period to be 0.026°C compared with an observed temperature rise of 0.15°C. This amounts to 17% of total warming observed over the period attributable to earth insulation loss, which is significant. We end by making some suggestions on further research necessary to fully understand the possible effect of earth insulation loss on rising global temperature.

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Energy conservation in the Earth's crust and climate change

Cited by 11 publications

References 17 publications

Assessing the Determinants of Renewable Electricity Acceptance Integrating Meta-Analysis Regression and a Local Comprehensive Survey

Assessing the Determinants of Renewable Electricity Acceptance Integrating Meta-Analysis Regression and a Local Comprehensive Survey

Adiabatic behavior of gas wells due to natural reservoir fines migration: analytical model and CFD study

Earth Thermal Emissions and Global Warming

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