Key issues in development of offshore natural gas hydrate

Zhou, Shouwei; Li, Qingping; Lv, Xiaoyi; Fu, Qiang; Zhu, Junlong

doi:10.1007/s11708-020-0684-1

Cited by 31 publications

(23 citation statements)

References 12 publications

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“…Later, Marcellin Berthelot, Paul-Ulrich Villard (France), Linus Pauling (the United States), and other researchers effectively synthesized a range of gas hydrates. The second period marked the development of technologies for predicting and eliminating hydrates under commercial conditions [5]. In the early 1930s of the 20th century, technogenic hydrates disrupting natural gas flows were discovered in pipelines.…”

Section: Historical Background Of Gas Hydratesmentioning

confidence: 99%

“…At the same time, great resources of hydrate were found in permafrost regions and deep water [12]. In 1960, a combustible ice was discovered in Siberia [5]. In 1965, for the first time, scientists found deposits of gas hydrate in a permafrost region in Siberia [12].…”

Section: Historical Background Of Gas Hydratesmentioning

confidence: 99%

“…In 1965, for the first time, scientists found deposits of gas hydrate in a permafrost region in Siberia [12]. In 1968, the Soviet researchers found deposits of gas hydrate when developing the Messoyakha gas field [5]. In the 1970s, gas hydrates were found in samples from the Alaska North Slope and on the Black Sea bed.…”

Section: Historical Background Of Gas Hydratesmentioning

confidence: 99%

“…Gas hydrates are stable at low temperatures and elevated pressures [4]. When the temperature increases and the pressure falls, gas hydrates dissociate into water and gas [5]. The most widespread hydrate-forming natural gas is methane [6].…”

Section: Introductionmentioning

confidence: 99%

“…Natural gas hydrates are dispersed or form agglomerates. This type of hydrate occurs in the Arctic and Antarctic, where the permafrost layer, more than 300 m in depth, creates conditions for hydrate formation [5].…”

Section: Introductionmentioning

confidence: 99%

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Key Areas of Gas Hydrates Study: Review

2022

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Gas hydrates are widespread all over the world. They feature high energy density and are a clean energy source of great potential. The paper considers experimental and theoretical studies on gas hydrates in the following key areas: formation and dissociation, extraction and transportation technologies of natural methane hydrates, and ignition, and combustion. We identified a lack of research in more areas and defined prospects of further development of gas hydrates as a promising strategic resource. One of the immediate problems is that there are no research findings for the effect of sediments and their matrices on hydrate saturation, as well as on gas hydrate formation and dissociation rates. No mathematical models describe the dissociation of gas hydrates under various conditions. There is a lack of research into the renewal and improvement of existing technologies for the easier and cheaper production of gas hydrates and the extraction of natural gas from them. There are no models of gas hydrate ignition taking into account dissociation processes and the self-preservation effect.

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Section: Historical Background Of Gas Hydratesmentioning

confidence: 99%