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Keywords: core sample
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Proceedings Papers

Paper presented at the SPWLA 22nd Formation Evaluation Symposium of Japan, September 29–30, 2016
Paper Number: SPWLA-JFES-2016-H
... Abstract To understand characteristics of deep seismogenic faults in the plate convergent margins, we used P- and S-wave velocities (Vp and Vs) of the digital rocks extracted from core samples of ancient plate boundary fault at Nobeoka in Kyushu, southwest Japan. We constructed 3D digital rock...
Proceedings Papers

Paper presented at the SPWLA 22nd Formation Evaluation Symposium of Japan, September 29–30, 2016
Paper Number: SPWLA-JFES-2016-M
... 0.6486 M-oil 8.3740 U-oil 7.9230 n-Decane 0.6632 2.1.2 Core Data (1) Length, Porosity and Air Permeability Berea sand stone core samples were used in these experiments. The core data are presented in Table 2.1.2-1, where, D is a diameter, L is a length, Vp is a pore volume, is a porosity and kair...
Proceedings Papers

Paper presented at the SPWLA 22nd Formation Evaluation Symposium of Japan, September 29–30, 2016
Paper Number: SPWLA-JFES-2016-C
...The 22nd Formation Evaluation Symposium of Japan, September 29 - 30, 2016 -1- EXPERIMENTS OF MICRO-BUBBLE CO2 EOR USING BEREA SANDSTONE CORE SAMPLES Hiroko Hiramoto1, Kei Kukuu1, Masanori Kurihara1, Takashi Akai2, Yasutomo Takakuwa2, Ko Sato2, Yoshihiro Tsuchiya2 Naoto Araki3 and Seiji Shirai3 1...
Proceedings Papers

Paper presented at the SPWLA 22nd Formation Evaluation Symposium of Japan, September 29–30, 2016
Paper Number: SPWLA-JFES-2016-X
... to conduct a detailed analysis on existing core samples and image log data to identify and understand heterogeneous reservoir properties that will be critical information for future field development. At the beginning of the workflow, raw data from the field were carefully processed though accurate depth...
Proceedings Papers

Paper presented at the SPWLA 20th Formation Evaluation Symposium of Japan, October 1–2, 2014
Paper Number: SPWLA-JFES-2014-N
... been applied to different types of vuggy carbonate rock core samples. 3D distributions of CT number of the samples, which consists of 0.4-mm cubic voxels, are converted into 3D porosity distributions, using the partial volume effect (i.e., a linear relationship between CT number and porosity...
Proceedings Papers

Paper presented at the SPWLA 19th Formation Evaluation Symposium of Japan, September 26–27, 2013
Paper Number: SPWLA-JFES-2013-V
... the step-by-step approach, we can detect the flow rate reduction and can estimate the threshold capillary pressure. Until now, several types of fluid not only CO2 but also N2 and CH4 were injected into the core samples under different conditions and showed the values of the different threshold capillary...
Proceedings Papers

Paper presented at the SPWLA 18th Formation Evaluation Symposium of Japan, September 27–28, 2012
Paper Number: SPWLA-JFES-2012-U
... was cored from 500 m-below sea floor (BSF) in ocean depths of over 3500 m. Obtaining high recovery and quality core samples is crucial for comprehensive and accurate analysis. This study analyzes the results of the core recovery ratio and quality of basement samples at coring site C0012G in order...

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