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| 1 | Occurrence and influence of residual gas released by crush methods on pore structure in Longmaxi shale in Yangtze Plate, Southern China显示文摘The composition of gas released under vacuum by crushing from the gas shale of Longmaxi Formation in Upper Yangtze Plate,Southern China was systematically investigated in this study.The effect of residual gas release on pore structures was checked using low-pressure nitrogen adsorption techniques.The influence of particle size on the determination of pore structure characteristics was considered.Using the Frenkel-Halsey-Hill method from low-pressure nitrogen adsorption data,the fractal dimensions were identified at relative pressures of 0‒0.5 and 0.5‒1 as D1 and D2,respectively,and the evolution of fractal features related to gas release was also discussed.The results showed that a variety component of residual gas was released from all shale samples,containing hydrocarbon gas of CH4(29.58%‒92.53%),C2H6(0.97%‒2.89%),C3H8(0.01%‒0.65%),and also some non-hydrocarbon gas such as CO2(3.54%‒67.09%)and N2(1.88%‒8.07%).The total yield of residual gas was in a range from 6.1μL/g to 17.0μL/g related to rock weight.The geochemical and mineralogical analysis suggested that the residual gas yield was positively correlated with quartz(R^2=0.5480)content.The residual gas released shale sample has a higher surface area of 17.20‒25.03 m^2/g and the nitrogen adsorption capacity in a range of 27.32‒40.86 ml/g that is relatively higher than the original samples(with 9.22‒16.30 m^2/g and 10.84‒17.55 ml/g).Clearer hysteresis loop was observed for the original shale sample in nitrogen adsorption-desorption isotherms than residual gas released sample.Pore structure analysis showed that the proportions of micro-,meso-and macropores were changed as micropores decreased while meso-and macropores increased.The fractal dimensions D1 were in range from 2.5466 to 2.6117 and D2 from 2.6998 to 2.7119 for the residual gas released shale,which is smaller than the original shale.This factor may indicate that the pore in residual gas released shale was more homogeneous than the original shale.The results indicated that both residual gas and their pore space have few contributions to shale gas production and effective reservoir evaluation.The larger fragments samples of granular rather than powdery smaller than 60 mesh fraction of shale seem to be better for performing effective pore structure analysis to the Longmaxi shale. | Ming-liang Liang Zong-xiu Wang Guo-dong Zheng Hugh Christopher Greenwell Hui-jun Li Lin-yan Zhang Xing-qiang Feng Kai-xun Zhang | 2020 | China Geology2020，3，4： | 2 |
| 2 | Penetration of ambient fine particles into the indoor environment显示文摘 | MOSLEY R B GREENWELL D J SPARKS L E | | 0，，01： | 1 |
| 3 | Misdiagnosis of orthokeratology-related acanthamoeba keratitis as herpes simplex virus keratitis显示文摘 | Greenwell TH Loh RS Chehade M | 2013 | Clin Experiment Ophthalmol2013，41，： | 1 |
| 4 | Frequency effects on dynamic stability derivatives obtained from small amplitude oscillatory testing显示文摘 | GREENWELL D L | 1998 | Journal of Aircraft1998，35，5： | 1 |
| 5 | Assessing the Influence of the Physical Sports Facility on Customer Satisfaction within the Context of the Service Experience显示文摘 | Greenwell T Fink J S Pastore D L | 2002 | Sport Management Review2002，2，5： | 1 |
| 6 | A year's clin ical experience with unenhanced spiral compute tomography for the assessment of acute loin pain suggestive of renal colic显示文摘 | Greenwell TJ Woodhams S Denton ERM | 2000 | BJU Int2000，85，6： | 1 |
| 7 | Repeat urethrotomy and dilation for the treatment of urethral stricture are neither clinically effective nor cost-effective 显示文摘 | GREENWELL T J CASTLE C ANDRICH D E | 2004 | J Urol2004，172，1： | 1 |
| 8 | Characterization of fat-storing cell lines derived from normal and CCI4-cirrhotic livers: Differences in the production of Interleukin-6显示文摘 | Greenwel P Schwartz M Rosas M | 1991 | Lab Invest1991，65，6： | 1 |
| 9 | Repeat urethrotomy and dilation for the treatment of urethral stricture are neither clinically effective nor cost-effective 显示文摘 | Greenwell TJ Castle C Andrich DE | 2004 | J Urol2004，172，1： | 1 |
| 10 | Role of clay minerals in oil-forming reactions显示文摘 | GEATCHES D L CLARK SJ GREENWELL H C | 2010 | J Phys Chern A2010，114，10： | 1 |
| 11 | Penetration of ambient fine particles into the indoor environment显示文摘 | MOSLEY R GREENWELL D SPARKSL L | 2001 | Aerosol Science&Technology2001，34，1： | 1 |
| 12 | The long-term outcome of artificial urinary sphincters显示文摘 | Venn SN Greenwell TJ Mundy AR | 2000 | J Urol2000，164，3： | 1 |
| 13 | Trichostatin A,a histone deacetylase inhibitor,suppresses collagen synthesis and prevents TGF-beta(1)-induced fibrogenesisin skin fibroblasts显示文摘 | Rombouts K Niki T Greenwel P | 2002 | Exp Cell Res2002，278，2： | 1 |
| 14 | Peptide corresponding to a predictive α-helical domain of human immunodeficiency virus type 1 gp41 are potent inhibitors of virus infection 显示文摘 | WILD CT SHUGARS DC GREENWELL TK | 1994 | Proc Natl Acad Sci USA1994，91，21： | 1 |
| 15 | Physical Health of Mothers with HIV/AIDS and the Mental Health of Their Children 显示文摘 | Murphy DA Greenwell L Mouttapa M | 2006 | Dev Behav Pediatr2006，27，5： | 1 |
| 16 | Computer simulation study of the structural stability and materials properties of DNA-intercalated layered double hydroxides显示文摘 | Thyveetil M A Coveney P V Greenwell H C | 2008 | Journal of the American Chemical Society2008，130，14： | 1 |
| 17 | The clinical effect of acellu- lar dermal matrix on gingival thickness and root coverage compared to comnally positioned flap alone 显示文摘 | Woedyard JG Greenwell H Hill M | 2004 | J Periodontol2004，75，1： | 1 |
| 18 | Notices of the examination of ancient grave-hills in the North Riding of Yorkshire 显示文摘 | Greenwell W | | Archaeological Journal0，22，： | 1 |
| 19 | A critical appraisal of polymer-clay nanocomposites显示文摘 | Chen B Evans J Greenwell H | 2008 | Chemical Society Reviews2008，37，3： | 1 |
| 20 | Clay swell- ing-A challenge in the oil field 显示文摘 | Anderson R L Ratcliffe I Greenwell H C | 2010 | Earth-Sci Rev2010，98，： | 1 |
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