gas hydrate - CCOP

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REFERENCES Collett, T.S. and Kuuskraa, V.A. 1998, Oil Gas J., Vol. 11: 90-95. Makogon, Y.F., 1988, The Third International Chemical Congress of North America, June 5- 10, Toronto, Canada. Brewer, P.G., Friederich, G., Peltzer, E.T. and Orr, R.M., Jr. 1999, Science, Vol.284: 121-123. Lee, H., Seo. Y., Seo, Y.-T., Moudrakovski, I.L. and Ripmeester, J.A. 2003, Angew. Chem. Int. Ed., Vol. 42:5048-5051. Sloan, E.D., Jr. 1998, Clathrate Hydrates of Natural Gases, Dekker, New York, 2 nd edition. Ripmeester, J. A. and Ratcliffe, C. I. 1988, Energy Fuels, Vol. 12: 197-200. Seo, Y.-T. and Lee, H. 2004, J. Phys. Chem. B, Vol. 108: 530-534. Kim, D.-Y. and Lee, H., 2005, J. Am. Chem. Soc., Vol. 127: 9996-9997. Yousurf, M., Qadri, S.B., Knies, D. I., Grabowski, K.S., Coffin, R.B. and Pohlman, J.W. 2004, Appl. Phys. A, Vol. 78: 925-939. Sassen, R., Sweet, S.T., DeFreitas, D.A. and Milkov, A.V. 2000, Org. Geochem., Vol. 31: 1257-1262. Subramanian, S., Kini, R.A., Dec, S.F. and Sloan, E.D., Jr. 2000, Chem. Eng. Sci., Vol. 55: 1981-1999. Brooks, J.M., Kennicutt, M.C., Fay, R.R. and McDonald, T.J. 1984, Science, Vol. 225: 409- 411. Milkov, A.V., Claypool, G.E., Lee, Y.J., Torres, M.E., Borowski, W.S., Tomaru, H., Sassen, R., Long, P.E. and ODP Leg 2004 Scientific Party, 2004, Org. Geochem, Vol. 35: 1067-1080. 104 New Energy Resources in the CCOP Region - Gas Hydrates and Coalbed Methane
Mass Failure and Mass Flow Deposits in the Ulleung Basin and Korea Plateau, East Sea, Korea : A Brief Review Yi-Kyun Kwon 1) and Jang-Jun Bahk 1) 1) Korea Institute of Geoscience and Mineral Resources, Daejeon, Korea ABSTRACT: Many feature indicative of mass failure and mass flow deposits have been observed in the Ulleung Basin and Korea Plateau, in the East Sea area of Korea. In the early stages of back-arc opening of the East Sea, rapid subsidence and related structural movements prompted slope instability and large-scale slope failure resulting in mass flow deposits. In the transitional phase from back-arc extension to compression, during the middle Miocene, active uplift and compressional deformation also resulted in mass failure and the frequent input of mass flows in the basin. From the late Miocene, in the back-arc closing stage, the Ulleung Basin and Korea Plateau experienced rapid subsidence and episodic tectonic deformation. In the late Miocene and Pliocene, the large-scale mass failure and mass flow events were closely related with the tectonic deformation events. After the latest tectonic event, in the middle Pliocene, the East Sea has remained tectonically stable. However, during the Quaternary, although tectonically quiescent, the Ulleung Basin and Korea Plateau were also affected by frequent events of mass failure and mass flow. These events were probably related with sea level fluctuations, climatic change, seismic shocks or expulsion of gas hydrate. Keywords: mass failure, mass flow, Ulleung Basin, Korea Plateau, methane hydrate. INTRODUCTION The East Sea is a semi-closed marginal sea at the northwestern margin of the Pacific Ocean, surrounded by the East Asian continent and the Japanese Islands. The sea is a back-arc basin that consists of three deep sub-basins (Japan, Yamato, and Ulleung basins) separated by topographic highs (Yamato Ridge, Korea Plateau, and Oki Bank) (Figure 1; e.g., Chough et al., 2000). The physiography of the sea is characterized by a narrow shelf, steep slopes, and deep depressions reaching more than 2,500 meters in water depth (e.g., Chough et al., 2000). These physiographic characteristics have resulted in the frequent occurrence of slope failure and mass flow (e.g., Chough et al., 2000) During the past two decades, there have been a number studies concerning the genetic origin of the slope failure and the resulting processes of mass flow (Chough and Lee, 1992; Lee et al., 1996; Lee and Suk, 1998; Lee et al., 1999; Lee et al., 2002). This study aims to summarize results of such research, to suggest a stratigraphic scheme for the Ulleung Basin and Korea Plateau, and to describe the slope failure and mass flow events within this stratigraphic framework. New Energy Resources in the CCOP Region - Gas Hydrates and Coalbed Methane 105
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Coordinating Committee for Geoscien
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Thematic Session on New Energy Reso
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CONTENTS Page OPENING REMARKS……
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OPENING REMARKS by Chen Shik Pei Di
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WELCOME ADDRESS by Tai-Sup Lee Pres
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WELCOME ADDRESS by Keun-Pil Park Di
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CONGRATULATORY ADDRESS by David Pri
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PART I GAS HYDRATE: EXPLORATION, RE
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Partial differential equations for
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RESULTS AND DISCUSSION In the follo
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REFERENCES Berner R. A. (1980) Earl
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features of the seabed than those o
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secure the stability of the solutio
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trends depending on the following f
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Organic carbon in sediments is of i
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Sedimentological and Geochemical As
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Figure 3. Sedimentation rate of the
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Marine Gas Hydrate off W. Canada an
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Several methods for computing the Q
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0.035 0.03 Amplitude 0.025 0.02 0.0
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60 50 Amplitude 40 30 20 10 0 0 50
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REFERENCES Dallimore, S.R. and T.S.
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Frequency % 20 16 12 8 HAMA #5, MV=
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Figure 3. Experimental procedures f
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Figure 7 shows two cases of the com
Page 52 and 53: Seismic Characteristics of Gas Hydr
Page 54 and 55: Purpose The purpose of this paper i
Page 56 and 57: The dissociation zone created by th
Page 58 and 59: hydrate that forms near the wellbor
Page 60 and 61: dissociation, composite thermal con
Page 62 and 63: Figure 9. The Advanced Light Source
Page 64 and 65: Experimental Studies and Developmen
Page 66 and 67: Natural gas hydrate exploitation an
Page 68 and 69: Natural gas Free gas layer Figure 5
Page 70 and 71: Figure 7. One-dimensional developme
Page 72 and 73: Temper at ur e 2 1 0 -1 -2 -3 -4
Page 74 and 75: From the above discussion, the heat
Page 76 and 77: INTRODUCTION Clathrate hydrates are
Page 78 and 79: MATHEMATICAL MODEL The mathematical
Page 80 and 81: Where the hydrate-aqueous radius of
Page 82 and 83: REFERENCES Brooks, R.H., and A.T. C
Page 84 and 85: 86 New Energy Resources in the CCOP
Page 86 and 87: In this paper, an overview of the M
Page 88 and 89: The brief tasks in the Phase I are:
Page 90 and 91: In "Development of the dissociation
Page 92 and 93: Figure 5. Preparation equipment. AN
Page 94 and 95: Other recent research subjects in t
Page 96 and 97: same crystalline structure directly
Page 98 and 99: Another important aspect of the pre
Page 100 and 101: a + CO 2 CH 4 C 2 H 6 b CH 4 in sII
Page 104 and 105: Figure 1. Physiographic and crust m
Page 106 and 107: Figure 3. Seismic profile showing s
Page 108 and 109: Figure 7. Distribution of echo char
Page 110 and 111: Figure 10. Seismic profile and its
Page 112 and 113: In the early stage of back-arc open
Page 114 and 115: PART II COALBED METHANE (CBM)
Page 116 and 117: Supply and demand infrastructure of
Page 118 and 119: Amisan, Jogyeri, Baegunsa, and Seon
Page 120 and 121: PROPERTIES OF ANTHRACITE The coals
Page 122 and 123: Table 4. Average chemical compositi
Page 124 and 125: CONCLUSIONS 1. Most of the coals em
Page 126 and 127: INTRODUCTION Coal (total reserves 2
Page 128 and 129: ีีีีีีีีี ั ิ
Page 130 and 131: RESULTS By Government: The outcomes
Page 132 and 133: The gas composition (12 samples ana
Page 134 and 135: Table 4. Coal Depth Interval Hole N
Page 136 and 137: The results of studies made on 11 c
Page 138 and 139: CONCLUSION CBM is still hoped to be
Page 140 and 141: The Government of Indonesia through
Page 142 and 143: The Berau basin is a major coal pro
Page 144 and 145: PP: CBM - 1 Rambutan (GOI Sponsor)
Page 146 and 147: Overview of Project for CO 2 Seques
Page 148 and 149: The organic geochemistry research g
Page 150 and 151: 3.5 25 3.0 20 Ar(%) C O 2(%) 2.5 2
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20 8 10 0 6 δ13C of CO2(‰) -10 -
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Figure 1. Index map of Akabira Coal
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ORIGIN OF AKABIRA CBM In Akabira mi
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