gas hydrate - CCOP

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Figure 10. Seismic profile and its stratigraphic interpretation in the South Korea Plateau. Figure 11. Boundary characteristics of each unit set. (A) Anticlinal folding surface between US-4 and US-3. (B) Anticlinal folding surface between US-3 and US-2. (C) Upper boundary of unit-1 (US-1), showing erosional surface. The seismic stratal units in the Ulleung Basin and Korea Plateau are characterized by repetitions of stratified and chaotic (or transparent) facies units (Figure 10). These units are grouped into four unit sets (US-1, -2, -3, and -4 in ascending order), based on large-scale anticlinal folding structures and an erosional truncation surface (Figure 11). The unit sets in the plateau are assigned to early to middle Miocene, middle to late Miocene, early to middle Pliocene, and late Pliocene to Quaternary ages in ascending order, respectively. Within the uppermost unit set US-4, the Pliocene-Pleistocene boundary is clearly recognized in seismic profiles. 112 New Energy Resources in the <strong>CCOP</strong> Region - Gas Hydrates and Coalbed Methane
BASIN EVOLUTION AND CHRONIC CHANGES IN MASS FAILURE AND MASS FLOW Basin evolution of the Ulleung Basin and Korea Plateau was briefly summarized by Lee et al. (2001) (Figure 12). During opening of the East Sea, in the early to middle Miocene, the Ulleung Basin subsided rapidly, and thick mass flow deposits, alternating with volcanic sills and flows, were deposited. In contrast, the South Korea Plateau was partly rifted and subsided relatively slowly. In the late middle Miocene, back-arc closure commenced, which is representing a change to the compressional deformation regime in the East Sea. Due to the compressional deformation, large-scale uplift occurred in the southwestern part of the Ulleung Basin. During the late Miocene, the Ulleung Basin and South Korea Plateau experienced rapid subsidence accompanied with normal to strike-slip faulting, which resulted in the formation of slope-perched basins at the western margin. Large-scale mass failure and mass flow events occurred throughout this period. In the earliest Pliocene, the Ulleung Basin and the South Korea Plateau were affected by intense compressional deformation, which formed anticlinal folds and unconformities at the western margin. Further compressional deformation occurred in the middle Pliocene and produced large-scale folds and faults in the Ulleung Basin and western slope areas of the South Korea Plateau. Subsequently the Ulleung Basin and Korea Plateau became stable with the deposition of hemipelagic sediments and turbidites. Figure 12. A schematic model illustrating the stratigraphic evolution of the Ulleung Basin (Lee et al., 2001). New Energy Resources in the <strong>CCOP</strong> Region - Gas Hydrates and Coalbed Methane 113
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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
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Seismic Characteristics of Gas Hydr
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Purpose The purpose of this paper i
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The dissociation zone created by th
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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 102 and 103: REFERENCES Collett, T.S. and Kuuskr
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 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
Page 152 and 153: 20 8 10 0 6 δ13C of CO2(‰) -10 -
Page 154 and 155: Figure 1. Index map of Akabira Coal
Page 156: ORIGIN OF AKABIRA CBM In Akabira mi
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