利用井下資料探討彰濱工業區二氧化碳地質封存場址特徵

dc.contributor葉恩肇zh_TW
dc.contributorYeh, En-Chaoen_US
dc.contributor.author江東晉zh_TW
dc.contributor.authorChiang, Tung-Chinen_US
dc.date.accessioned2019-09-05T00:47:14Z
dc.date.available2017-08-31
dc.date.available2019-09-05T00:47:14Z
dc.date.issued2015
dc.description.abstract二氧化碳地質封存是減少二氧化碳排放量,進而降低溫室效應的有效方法之一。一個地區需要有合適的儲集層和蓋層,才能成為二氧化碳封存場址。因此,潛在儲集層和蓋層之探索與審視,是二氧化碳封存場址特徵評估重要的項目之一。 本研究整合彰濱工業區井下100~3000公尺的電測資料以及0~1500公尺的岩屑資料,觀察此處岩性地層分布和地層位態,並藉由分析波速、自然珈瑪射線、密度、中子孔隙率、電阻率和環狀電阻影像等電測資料,取得相關物理參數來評估地層中可能適合二氧化碳地質封存的蓋層和儲集層。 環狀電阻影像結果顯示,此區整體地層向東或東南方傾斜,傾角甚緩,不超過10度。因此,儲集的二氧化碳即使遷移時將會沿著地層界面緩慢向西逸散至台灣海峽。根據岩屑樣本薄片分析結果,此區100m至1500m的地層砂岩分類以屑質砂岩為主,並根據岩屑重量百分比分析結果,最小粒徑範圍(<0.25mm)之重量百分比比例隨深度變淺而減少,其與珈瑪射線隨深度變淺而降低的趨勢大致相同,顯示一個粒徑向上變粗的沉積序列。依此判斷前1500m的地層缺乏合適的蓋層,可能不適合施行二氧化碳封存。於1500m~3000m的區間內,1745m~2250m互層中,儲集層孔隙率及滲透率分別大於20%與0.1md,蓋層孔隙率及滲透率分別低於20%與0.1md,可能可使用互層封堵機制進行二氧化碳封存。在2750m~2820m區間,孔隙率和滲透率也皆大於20%與0.1md,亦可當作合適的二氧化碳灌注之儲集層,且在其上方岩層孔隙率和滲透率皆小於20%與0.1md,可以當作二氧化碳灌注之蓋層。zh_TW
dc.description.abstractCarbon dioxide geological sequestration is an efficient way to decrease the amount of CO2 released to atmosphere for mitigating global warming. An area needs suitable reservoir and cap rock to be a CO2 sequestration site. Therefore, investigation and inspection of the potential reservoir and cap rock is one of important work to assess the site characterization of CO2 sequestration. This research integrates 100~3000m well-logging data and 0~1500m cutting results in the Changhua Coastal Industrial Park to construct lithostratigraphic column, determine formation attitudes, and gather physical parameters from logging data such as sonic travel time (DT), natural gamma ray, density, neutron porosity, resistivity and FMI data for evaluating the potential CO2 sequestration reservoir and cap rock.. Result of FMI interpretation shows that the formation dips towards the east or southeast and the dip angles are very shallow, not more than 10 degrees. Therefore, even the injected CO2 is migrated, CO2 will move slowly along the formation boundary and escape to the Taiwan Strait. Results of cutting analysis show that sandstone between 100~1500m is classified as litharenite. The weight percentage of smallest cutting size (<0.25mm) decreases with the depth, similar to the trend of natural gamma ray. The stratigraphy with coarsing upward suggest that there is no suitable reservoir shallower than 1500m due to the lack of cap rock. In the interval of 1745m to 2250m, the reservoir has aspects of porosity larger than 20% and permeability higher than 0.1md in the alternated layers of sandstone and shale and cap rock contains porosity less than 20% and permeability less than 0.1md. The CO2 sequestration can implement inthe interval of 1745m-2250m by intraformational seals mechanism. And in the interval between 2750m to 2820m, the porisity of strata is more than 20% and the permeability is more than 0.1md. It can be a suitable reservoir. In the strata above reservoir, the porosity is less than 20% and the permeability is less than 0.1md. It can be treated as a suitable cap rock.en_US
dc.description.sponsorship地球科學系zh_TW
dc.identifierG060044009S
dc.identifier.urihttp://etds.lib.ntnu.edu.tw/cgi-bin/gs32/gsweb.cgi?o=dstdcdr&s=id=%22G060044009S%22.&%22.id.&amp;
dc.identifier.urihttp://rportal.lib.ntnu.edu.tw:80/handle/20.500.12235/101139
dc.language中文
dc.subject二氧化碳地質封存zh_TW
dc.subject彰濱工業區zh_TW
dc.subject井下電測zh_TW
dc.subject岩屑分析zh_TW
dc.subjectCarbon dioxide geological sequestrationen_US
dc.subjectChanghua Coastal Industrial Parken_US
dc.subjectwell-loggingen_US
dc.subjectcutting analysisen_US
dc.title利用井下資料探討彰濱工業區二氧化碳地質封存場址特徵zh_TW
dc.titleSite Characterization of Carbon Dioxide Sequestration in Changhua Coastal Industrial Park by Analyzing Well Dataen_US

Files

Original bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
060044009s01.pdf
Size:
14.38 MB
Format:
Adobe Portable Document Format

Collections