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Keywords: gas hydrate
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Proceedings Papers

Paper presented at the Eleventh Ocean Mining and Gas Hydrates Symposium, June 21–27, 2015
Paper Number: ISOPE-M-15-355
... Abstract The main reserves of methane on our planet are in the form of gas hydrate and more than 90% of them are at the bottom of the oceans. Scientists in many countries are making active efforts to establish effective technology for the development of gas hydrate deposits and, primarily...
Proceedings Papers

Paper presented at the Eleventh Ocean Mining and Gas Hydrates Symposium, June 21–27, 2015
Paper Number: ISOPE-M-15-589
... Abstract In-situ dissociation of natural gas hydrate is necessary for commercial recovery of natural gas from natural gas hydrate sediment. Thermal stimulation is an effective dissociation method, along with depressurization. In this study, we examined the efficiency of electrical heating of...
Proceedings Papers

Paper presented at the Eleventh Ocean Mining and Gas Hydrates Symposium, June 21–27, 2015
Paper Number: ISOPE-M-15-562
... Abstract An original method of enhanced recovery by using a partial oxidation method was proposed for gas hydrates reservoirs. This method was based on the heat generation of the oxidation reaction by means of oxidizing materials, some kinds of catalytic agent and iron powders. This paper...
Proceedings Papers

Paper presented at the Eleventh Ocean Mining and Gas Hydrates Symposium, June 21–27, 2015
Paper Number: ISOPE-M-15-861
... Abstract Gas hydrate was successfully sampled again in DK-9 hole in Qilian Mountain permafrost. However gas hydrate occurrences are heterogeneous both in horizon and in section within a limited area. What geological constraint affects gas hydrate occurrences is not known yet. Since features of...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-019
... ABSTRACT Clathrate hydrates have been researched for their various applications such as natural gas hydrate production, energy gas storage, carbon capture and sequestration, and synthesis and fabrication of versatile energy devices. The structure H(sH) hydrate is important in the oil industry...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-086
... ABSTRACT The physical samples of natural gas hydrate were obtained first by drilling in permafrost region of Qilian Mountain of China in 2008. Permafrost area in Qilian Mt. is located in lower latitudes at high altitude, and the samples form in the Jurassic stratum under hard rock environment...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-025
... ABSTRACT Due to existence environment and special behavior of gas hydrate, the pressure sampler is the most important equipment to get the real physical and chemical properties of marine gas hydrate. Through the research on pressure sampler for many years, three kinds of gas hydrate samplers...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-046
... ABSTRACT Thermal simulation experiments are conducted with cores (mudstone, oil shale and coal) at gas hydrate-bearing intervals in gas hydrate drilling holes of DK-2 and DK-3 in the Qilian Mountain permafrost. Gas composition and carbon isotopes of hydrocarbon gases from gas hydrate are...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-036
... gas hydrates is seen as a two-step process of (1) a fast interfacial reaction (2) followed by much slower diffusion-limited transport. particle neutron diffraction molecule clathrate hydrate transformation upstream oil & gas kuh natural gas hydrate flow assurance sediment ch 4...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-026
... ABSTRACT Methane gas hydrate reservoirs have been recognized in a permafrost area and under a deep sea floor, in which the temperatures and pressures were in the equilibrium condition of methane gas hydrate. Methane gas hydrate distributed off the shores of Japan is valuable natural gas...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-087
... ABSTRACT In 2008, the gas hydrate samples have been found in the drilling test in Qilian Mountain of Chinathis is the first gas hydrate which found in plateau permafrost of middle and low latitude all over the world. For studying the forming mechanism of gas hydrate, in 2010, we implemented...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-027
... may have practical value for the transportation and storage of natural gas. ethanol 40 vapor pressure heating cycle conversion efficiency flow assurance methane hydrate ethanol reactor hydrate methane hydrate po-chun chen 1 pressurization stage mpa gas hydrate vapor methanol...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-021
... ABSTRACT Abnormal methane population in natural gas hydrates (NGHs) recovered from natural deep sea sediment has been demonstrated. Highly increased CH 4 occupancy ratios of large to small cages were observed in the sediment rich component of NGH, indicating that various minerals and mobile...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-037
... ABSTRACT Methane-dominated gas hydrates deposits are considered as a potential hydrocarbon resource and storage medium for anthropogenic CO 2 by gas replacement. We establish Raman spectroscopy as a quantitative tool to determine the composition of mixed gas hydrates. Using our empirical...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-085
... ABSTRACT The Muli gas hydrate reservoir in Qilian Mountains was chosen as the test area for the geochemical exploration of gas hydrate in the middle-latitude region. Soil headspace gas, acid-extracted hydrocarbon, carbon isotope of methane were tested. Results reveal that geochemical anomalies...
Proceedings Papers

Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-009
..., understanding of dissociation characteristics of hydrate is important for the purpose of efficient gas production. hydrate formation hydrate conversion degree gas hydrate formation model upstream oil & gas particle interface reaction time reaction flow assurance experiment co 2...
Proceedings Papers

Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-004
... the dependences of the mechanical properties of the samples on methane hydrate saturation and effective confining pressure. INTRODUCTION Natural gas hydrate is anticipated to be a promising energy resource (Makogon, 1981, 1982; Kvenvolden, 1988; Kvenvolden et al., 1993). It is essential to consider...
Proceedings Papers

Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-010
... ABSTRACT: Gas hydrate was obtained in the Qilian Mountain permafrost in Qinghai, China. It occurs in fissures of mudstone, oily shale, siltstone, fine sandstone, and in the pore space of fine to middle grained sandstone between 133 to 396 mbs . Gas hydrate is composed of CH4, C2H6, C3H8 and...
Proceedings Papers

Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-011
... ABSTRACT: The development of the stresses and displacements in the seabed caused by the dissociation of gas hydrate were numerically simulated by using the software ABAQUS. The effects of the dissociation size and the sustaining strength of the gas hydrate sediment after dissociation on the...
Proceedings Papers

Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-001
... ABSTRACT: Formation / dissociation behavior of clathrate hydrate in bentonite or kaolin suspension with or without sodium chloride was experimentally investigated for safe gas production from the natural gas hydrate reservoir. Raman spectroscopic analysis is conducted to investigate the...

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