gas hydrate - CCOP

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Overview of Project for CO 2 Sequestration in Coal Seams at Yubari in Hokkaido, Japan and Geochemical Monitoring for CO 2 Breaks at the Production Well and Gas Leaks to the Surface Yuichiro Suzuki* 1) , Shun-ichirou Igari*, Tatsuo Maekawa*, Hironobu Komaki**, Masato Fajita** * National Institute of Advanced Industrial Science and Technology (AIST) ** KANSO Technos Co. Ltd. 1) Corresponding Author, e-mail:yu-suzuki@aist.go.jp ABSTRACT: The Japanese CO 2 sequestration in coal seams project (JCOP) commenced 2002 with support from the Ministry of Economy, Trade and Industry (METI). The main operator of this project is the General Environmental Technos Co. Ltd. (KANSO Technos). Several universities, institutes and other also perticipate in the project. Field testing for this project started in 2003 in the Yubari area of the Ishikari Coal-field in Hokkaido. A CO 2 injection well (IW-1) was drilled in 2003, and a production well (PW-1) was drilled in 2004. Gas compositions and 13 C isotope analyses indicate that there are no gas leaks to surface and that the injected CO 2 gas had not reached PW-1 by the end of summer, 2006. INTRODUCTION The main targets proposed for CO 2 storage in geological formations are oil reservoirs and abundant or dry wells in oil and gas fields, deep brines and coal seams. The technology for CO 2 sequestration in coal seams has some advantages for energy balance because enhanced coal bed methane (ECBM) recovery can result simultaneously with CO 2 storage in coal. The Japan CO 2 sequestration in coal seams project (JCOP) has been ongoing since 2002 under the full sponsorship of the Ministry of Economy, Trade and Industry (METI). The main operator of the project is the General Environment Technos Co., Ltd. (KANSO Technos) with several contractors such as the Japan Coal Centre (JCOAL) and advisors from universities and institutes for the basic research. The field-test site for CO 2 storage in coal was decided as Yubari city, Hokkaido, located in the Ishikari Coal-field (Figure 1). Two test wells, one an injection well (IW-1) and the other a CBM production well (PW-1) were drilled in 2003 and 2004. Both were drilled to 900 m in depth and the two wells were 65 m apart at their base (Figure 2). The CO 2 injection test has been operated since 2004 (Figure 3) and several environmental monitoring observations have been carried out. New Energy Resources in the CCOP Region - Gas Hydrates and Coalbed Methane 151
TEST SITE (YUBARI) Coal-field IW-1, PW-1 Figure 1. Location of Field Test Site. Figure 2. Geological Cross Section of Test Site. 152 New Energy Resources in the CCOP Region - Gas Hydrates and Coalbed Methane
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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
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dissociation, composite thermal con
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Figure 9. The Advanced Light Source
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Experimental Studies and Developmen
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Natural gas hydrate exploitation an
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Natural gas Free gas layer Figure 5
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Figure 7. One-dimensional developme
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Temper at ur e 2 1 0 -1 -2 -3 -4
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From the above discussion, the heat
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INTRODUCTION Clathrate hydrates are
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MATHEMATICAL MODEL The mathematical
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Where the hydrate-aqueous radius of
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REFERENCES Brooks, R.H., and A.T. C
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86 New Energy Resources in the CCOP
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In this paper, an overview of the M
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The brief tasks in the Phase I are:
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In "Development of the dissociation
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Figure 5. Preparation equipment. AN
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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 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 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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