Tomakomai CCS Demonstration Project

Transcription

1 Tomakomai CCS Demonstration Project Japan CCS Co., Ltd. 3 rd International Workshop on Offshore Geologic CO 2 Storage May 3, 2018 Copyright 2018 Japan CCS Co., Ltd. 1

2 JCCS Company Profile and CCS Project Framework Company Profile Project Framework - Functions of JCCS JAPAN CCS Co., Ltd. Private Companies Copyright 2018 Japan CCS Co., Ltd. 2

3 Outline of Presentation Overview of Tomakomai Project Preliminary Results Project Summary Hokkaido Is. Tomakomai TOKYO Copyright 2018 Japan CCS Co., Ltd. 3

4 Overview of Tomakomai Project Copyright 2018 Japan CCS Co., Ltd. 4

5 Project Schedule Preparation (JFY ) Design and construction of facilities Drilling of injection and observation wells Installation of monitoring system CO 2 Injection and Monitoring (JFY ) CO 2 Injection (JFY ) Monitoring (JFY ) Commissioned to JCCS Survey Preparation CO2 Injection Baseline Monitoring Monitoring Japanese Fiscal Year (April - March of following year) Copyright 2018 Japan CCS Co., Ltd. 5

6 Objectives and Tasks of Tomakomai CCS Project Develop practical CCS technology by around 2020 demonstrate full cycle CCS system from capture to storage confirm existing technologies adopted in the system work properly and efficiently Tasks demonstrate CCS system is safe and reliable confirm effectiveness of site selection guideline prepared by METI by demonstrating no leakage remove concerns about earthquakes by the data collected; no influence by natural earthquakes on CO 2 stored no perceptible earth tremors induced by CO 2 injection confirm guidelines for geological models (building and improvement) prepare technical standards regarding operation and safety of CCS projects disclose project information & data and enhance understanding of CCS by local residents clearly define areas to be improved or solved toward commercialization Copyright 2018 Japan CCS Co., Ltd. 6

7 Flow Scheme of CCS Demonstration Project 7 Pipeline PSA (Pressure Swing Adsorption ) Typical composition of PSA Offgas CO 2 =50%, H 2 =40%, CH 4, other gases=10% Copyright 2018 Japan CCS Co., Ltd. 7

8 Positional Relation of Injection & Monitoring Systems Onshore Seismometer Observation well OB-1 for Takinoue Form. converted from survey well (deviated) OBS Observation well OB-2 for Moebetsu Form. (vertical) Working area of 3D seismic survey Observation well OB-3 for Takinoue Form.(vertical) OBS OBS (Ocean Bottom Seismometer): used for monitoring of micro-seismicity and natural earthquakes. OBS OBC OBS OBC (Ocean Bottom Cable): used for 2D seismic survey and monitoring of micro-seismicity and natural earthquakes km Image: LC LGN00, courtesy of the U.S. Geological Survey, text by JCCS Copyright 2018 Japan CCS Co., Ltd. 8

9 Bird s Eye View of Capture and Injection Facilities Flare / vent stack CO 2 absorption tower Injection wells CO 2 stripping tower CO 2 Amine tank Low pressure flash tower PSA off gas compressor Nitrogen supply system LP steam boiler HP steam boiler Pure water production system Instrument air supply system Cooling tower Pure water tank Primary low pressure CO 2 compressor Secondary low pressure CO 2 compressor Control building Fuel oil tank High pressure CO 2 compressor Steam turbine generator Waste water treatment pit From CO 2 Source Industrial water intake pit Copyright 2018 Japan CCS Co., Ltd. 9

10 CO 2 Capture Process Conventional CO 2 Capture Process (Hydrogen Production) CO 2 capture energy = approx. 2.5 GJ/t-CO 2 Tomakomai CO 2 Capture Process (Hydrogen Production) CO 2 capture energy = 1.16 GJ/t-CO 2 (actual measurement) Note1 : CO 2 capture energy =[reboiler heat(steam) consumption / steam boiler efficiency + pump electricity consumption x electricity-heat conversion factor / power generation efficiency] / CO 2 flow rate Note2 : Two-stage Absorption and Lowpressure Flash Tower Applicable to high pressure CO 2- containing gas and high partial pressure of CO 2 case Copyright 2018 Japan CCS Co., Ltd. 10

11 Depth in meters (bmsl) Schematic Geological Section Observation Well for Moebetsu Fm. Injection Well for Moebetsu Fm. Quaternary sediments Mukawa Fm. (Sandstone, Mudstone, etc.) Moebetsu Fm. (Sandstone) Nina Fm. (Mudstone) Biratori-Karumai Fm. (Mudstone) Moebetsu Fm. (Mudstone) (TD 3,650m) Injection Well for Takinoue Fm. (projected) Cap rock Cap rock Reservoir Fureoi Fm. (Mudstone) T1 Member of Takinoue Fm. (Volcanic Rocks) Reservoir (TD 5,800m) Takinoue Fm. (Mudstone) Landward(North) Aspect Ratio=1:1 Seaward(South) Copyright 2018 Japan CCS Co., Ltd. 11

12 Deviated CO 2 Injection Wells Deviated CO 2 injection wells drilled into offshore reservoirs from an onshore site Cost reduction of drilling, operation and maintenance No disturbance on marine environment and harbor operation Injection interval length exceeding 1,100m to enhance injection efficiency IW-1 (Takinoue Formation) IW-2 (Moebetsu Formation) These wells achieved new Japanese records respectively. Copyright 2018 Japan CCS Co., Ltd. 12

13 Schematic Diagram of Monitoring System Control Building Observed Signals Hi-net Data (National EQ) CO 2 CO 2 Observed Signals Observed Signals Observed Signals Observed Signals Observed Signals Observed Signals Observed Signals Onshore Seismometer Observation well OB-1 for Takinoue Fm. (converted from an survey well CCS-1) Observation Well OB-2 For Moebetsu Fm. Observation Well OB-3 For Takinoue Fm. Inj. Well Takinoue Fm. Inj. Well Moebetsu Fm. OBS Wired OBS OBS OBS Permanent-Type OBC Moebetsu Fm. Sandstone Layer : CO 2 Flow Meter : Pressure & Temperature Sensor : 3-Component Seismic Sensor Takinoue Fm. Volcanic Rocks Layer Copyright 2018 Japan CCS Co., Ltd. 13

14 Marine Environmental Survey Japanese domestic law Act on Prevention of Marine Pollution and Maritime Disaster was amended to reflect London Protocol. Marine environment is surveyed based on this Act, by which geological storage of CO 2 under the seabed is regulated. 1. Survey Area 12 survey points in Tomakomai Port Area 2. Methods of Survey Seabed survey by Side-Scan Sonar and Subbottom Profiler Current direction and speed survey by Current Meter Sampling of seawater by Water Sampler for concentration of CO 2 etc. and plankton observation Seabed mud survey by Bottom Sampler Collection of benthos by Net or Dredge Unit Observation of benthos by divers or ROV Takinoue Obs Well OB-1 St.08 Environmental Survey Points St.04 St.05 St.02 CO 2 Capture & Injection Plant Moebetsu CO 2 Plume Takinoue CO 2 Plume St.03 St.01 St.07 St.06 Moebetsu Obs Well OB-2 (vertical) St.11 St.12 Estimated CO 2 plume of 300,000 tonnes over 3 years Side-Scan Sonar Water Sampler Bottom Sampler 3. Surveys in Three Stages St.09 St.10 Dredge Unit During EPC period During demonstration operation During CO 2 injection After CO 2 injection After demonstration operation St. : Survey Point Plotted on Japan Coast Guard nautical chart ROV Copyright 2018 Japan CCS Co., Ltd. 14

15 Preliminary Results Copyright 2018 Japan CCS Co., Ltd. 15

16 Annualized Injection Rate (tons 10 4 /year) Bottom Hole Pressure (MPa) CO 2 Injection Record:Moebetsu Formation Cumulative Injection (tons 10 4 ) Injection Rate Bottom Hole Pressure Cumulative Injection Period : 2017/2/5 2018/5/1 1 May ,729 tons Max. injection rate tons/year) Upper limit of Injection pressure 12.6MPaG Maximum pressure 10.0MPaG Initial Pressure 9.2MPaG Year/Month/Day Copyright 2018 Japan CCS Co., Ltd. 16

17 Monitoring Area of Seismicity Hi-net 千歳 Hi-net 千歳 自然地震モニタリング範囲 (50km 自然地震モニタリング範囲 x 38km) (50km x 38km) Hi-net 厚真 Hi-net 厚真 Hi-net 白老 微小振動モニタリング範囲 (6km x x 6km) 陸上設置地震計 Onshore Seismometer 観測井 Observation ( 大深度坑内地震計 Well ) OBS( 有線型 (Ocean) Bottom Seismometer (wired)) OBS( 独立型 (Ocean) Bottom Seismometer (standalone)) 常設型 OBC (Ocean OBC Bottom Cable) 陸上設置地震計観測井 ( 大深度坑内地震計 ) OBS( 有線型 ) OBS( 独立型 ) 常設型 OBC Scale (km) Hi-net Hi-net 門別西門別西 : National earthquake network Source of base drawing: Geographical Survey Institute Copyright 2018 Japan CCS Co., Ltd. 17

18 Temperature (deg.c) Pressure (Mpa) Seismic Monitoring Results : Natural Earthquakes Observation record of Onshore Seismometer X Three components Y Onshore Observation Distance of approx. 40km Z 30sec. Tomakomai Earthquake occurrence Borehole Pressure Micro-seismic monitoring area Natural earthquake monitoring area Restart Injection Hi-net station Earthquake Information Announced by the Japan Meteorological Agency Time & date 23:45:52.9(JST) 1 July, 2017 Epicenter Lat N Lon E Depth 27 km Magnitude 5.1 Seismic Intensity at near epicenter and Tomakomai Lower 5- and 3 on Japanese seismic scale approx. Ⅵ and approx. Ⅳ on Mercalli intensity scale Injection well for Moebetsu Fm. Average Pressure: 9.71MPa (at 930m in depth) Earthquake occurrence Borehole Temperature Restart Injection Injection well for Moebetsu Fm. Average Temperature: 33.1 (at 930m in depth) This earthquake had no influence on temperature and pressure of the cap rock strata. Copyright 2018 Japan CCS Co., Ltd. 18

19 Number 微小振動検出数 of events Seismic Monitoring Results : Micro-seismicity 発生微小地震数 No micro-seismicity ( Mw > -0.5) in/around the depth range of the reservoirs before and after the start of injection Histogram of detected micro-seismic events Start of Injection (Apr ) 17/1/1 16/12/4 16/11/6 16/10/9 16/9/11 16/8/14 16/7/17 16/6/19 16/5/22 16/4/24 16/3/27 16/2/28 16/1/31 16/1/3 15/12/6 15/11/8 15/10/11 15/9/13 15/8/16 15/7/19 15/6/21 15/5/24 15/4/26 15/3/29 15/3/1 15/2/1 17/12/31 17/12/3 17/11/5 17/10/8 17/9/10 17/8/13 17/7/16 17/6/18 17/5/21 17/4/23 17/3/26 17/2/26 17/1/29 Copyright 2018 Japan CCS Co., Ltd. 19

20 4D seismic survey : Survey lines (Baseline survey) Baseline survey : Oct. to Nov The first monitor survey : Jul. to Aug Plotted on Japan Coast Guard Nautical Chart Copyright 2018 Japan CCS Co., Ltd. 20

21 4D seismic survey : Preliminary result of the first monitor survey Trace of the Injection well for Moebetsu Formation Anomaly associated with cumulative CO 2 injection of 61,000 to 69,000 tons Injection interval RMS (Root Mean Square) amplitude of difference of reflected waves from those of the baseline survey at the depth of the reservoir (992 to 1032msec.). The values more than average + 2σ are indicated in colors. Plotted on Japan Coast Guard Nautical Chart Copyright 2018 Japan CCS Co., Ltd. 21

22 Project Summary Copyright 2018 Japan CCS Co., Ltd. 22

23 Unique features of project Project Summary Capture system with two stage absorption and low-pressure flash process providing significant reduction of capture energy Deviated injection wells from onshore site into offshore reservoirs Extensive monitoring system Successful Operation Demonstration of safety and reliability of CCS system Confirmed the design performance of facilities High reliability despite variation of supplied CO 2 volume No effect of natural earthquakes on injected CO 2, no induced seismicity attributable to injection Superior injectivity of shallow reservoir Extensive stakeholder engagement being undertaken Copyright 2018 Japan CCS Co., Ltd. 23

24 Thank you for your attention. This presentation is based on results obtained from a project commissioned by Ministry of Economy, Trade and Industry (METI) and the New Energy and Industrial Technology Development Organization (NEDO). Copyright 2018 Japan CCS Co., Ltd. 24