An Experimental Study on the Effect of Flue Gas Injection Rate on Gas Hydrate Production in Porous Media

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2009 Vol.46, Issue 1 Preview Page Next Page

An Experimental Study on the Effect of Flue Gas Injection Rate on Gas Hydrate Production in Porous Media 다공성 매질에서 가스하이드레이트 치환생산기법 이용 시 배가스 주입유속 효과에 대한 실험적 연구: 이동건, 이주용, 이재형
Dong-Gun Lee, Joo-Yong Lee and Jae-Hyung Lee

28 February 2009. pp. 79-86

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Abstract

Previous studies of swapping method on hydrate have been focused on bulk hydrate. But, for realistic production of gas hydrate, it is necessary to investigate fluid flow behaviour in hydrate reservoir and recovery efficiency according to various production techniques. In this study, gas hydrate production has been conducted using swapping method to investigate the effect of flue gas injection rate in unconsolidated artificial sand sample. The recovery of methane gas decreased with increasing the injection rate of flue gas. It showed that rapid injecting velocity of flue gas was able to play an inhibitor for hydrate production. And it\'s possible that additional methane gas recovery each time the number of soaking is increased. The recovery characteristics with flue gas and soaking process can be applied for feasibility study for gas hydrate development using swapping method.

Keywords

Swapping method

Flue gas injection rate

Soaking process

Swapping efficiency

본 연구에서는 배가스 치환생산 실험시스템을 구축하여 하이드레이트 저류층 공극시스템에서의 치환생산거동을 파악하고 배가스 주입유속이 메탄가스 회수에 미치는 영향을 분석하였다. 배가스 주입실험 결과, 주입유속이 빠를수록 메탄가스의 회수율은 감소하였다. 이는 하이드레이트와 배가스 간에 치환을 일으키는데 필요한 최소반응시간이 줄어들어 일종의 반응 억제제 역할을 하였기 때문이라고 사료된다. 또한 soaking을 할 때마다 메탄가스의 추가적인 회수가 가능하였다. 주입유속이 느릴수록 치환효율이 증가하고 soaking을 할 때 마다 메탄가스가 추가로 생산되는 점을 미루어볼 때, 두 변수는 추가회수기작에 중요한 역할을 한다고 사료된다. 특히 주입유속이 느려질수록 더욱 큰 생산량 증가를 보이는 것은 접촉시간이 증대되어 치환생산량의 향상을 도모 할 수 있음을 의미한다. 하지만 실제 현장 적용 시 막연히 낮은 유속으로만 배가스를 주입하거나 긴 soaking시간에 의존하여 생산정을 운영한다면 생산지연 및 운영비용 증가의 문제를 야기할 수 있다. 이러한 연구결과는 배가스 치환기법을 이용한 가스하이드레이트 저류층 개발 시, 개발타당성 분석 및 생산계획수립을 위한 기초자료로 활용 가능할 것으로 판단된다.

키워드

치환기법

배가스 주입유속

soaking

치환효율

References

김세준, 허대기, 김현태, 이원석, 이재형, 2005, “초기 평가 단계 가스전의 개발 타당성 분석을 위한 생산최적화 연구,” 한국지구시스템공학회지, Vol. 42, No. 3, pp. 160-172.
배재유, 성원모, 권순일, 2007, “다중공 평판형 셀기기에서 하이드레이트 생산실험 분석연구,” 한국화학공학회지, Vol. 45, No. 3, pp. 304-309.
한국과학기술원, 2005, 치환기법을 이용한 가스하이드레이트 생산기술연구, 산업자원부.
Bayles, G.A., Sawyer, W.K., Anada, H.R., Reddy, S. and Malone, R.D., 1986, “A Steam Cyclic Model for Gas Production from a Hydrate Reservoir,” Chem. Eng. Comm., Vol. 47, No. 2, pp. 225-245.
Kamth, V.A. and Godbole, S.P., 1987, “Evaluation of Hot Brine Stimulation Technique for Gas Production From Natural Gas Hydrates,” JPT, pp. 1379-1388.
Lee, J.H., Lee, W.S., Kim, S.J., Kim, H.T., and Huh, D.G.,2005, “Preliminary Study on Petrophysical Properties of Artificial Gas Hydrate Bearing Sediments,” Geosystem Eng., Vol. 8, No. 4, pp. 105-108.
McGuire, P.L., 1982, “Recovery of Gas from Hydrate Deposit using Conventional Technology,” SPE/DOE 10832, presented at 1982 Unconventional Gas Recovery Symposium, Pittsburgh, PA.
Park, Y.J., Cha, M.J., Cha, J.H., Shin, K.C., Lee, H., Park, K.P., Huh, D.G., Lee, H.Y., Kim, S.J., and Lee, J.H., 2008, “Swapping Carbon Dioxide for Complex Gas Hydrate Structures,” Proceedings of the 6th International Conference on Gas Hydrates (ICGH 2008), Vancouver, British Columbia, Canada, July 6-10.
Sakamoto, Y., Komai, T., Haneda, H., Kawamura, T., Tenma, N., and Yamaguchi, T., 2005, “Experimental study on modification of permeability in a methane hydrate reservoir and gas production behaviour by the simultaneous injection of nitrogen,” Proceedings of the 5th International Conference on Gas Hydrates (ICGH 2005), Norway, Trondheim, June 13-16.
Selim, M.S. and Sloan, E.D., 1990, “Hydrate Dissociation in Sediment,” SPERE, pp. 245-251.
Seo, Y.T., Kang, S.P., and Lee, H., 2001, “Experimental Determination and Thermodynamic Modeling of Methane and Nitrogen Hydrates in the Presence of THF, Propylene Oxide, 1,4-Dioxane and Acetone,” Fluid Phase Equilibria, Vol. 189 No. 1-2, pp. 99-110.
Sung, W.M., Lee, H.S., Kim, S.J., and Kang, H., 2003, “Experimental Investigation of Production Behaviors of Methane Hydrate Saturated in Porous Rock,” Energy Sources, Vol. 25, No. 8, pp. 845-856.
Verigin, N. N., Khabibullin, I.L. and Khalikov, G.V., 1980, “Linear Problem of the Dissociation of the Hydrates of Gas in a Porous Medium,” Izvest. Akad. Nauk. SSR, Mekhanika Zhidkosti Gaza, Vol. 1, pp. 174-177.
Yousif, M.H., Li, P.M., Selim, M.S. and Sloan, E.D., 1990, “Depressurization of Natural Gas Hydrate in Berea Sandstone Cores,” J.Inclusion Phenomena & Molecular Recognition Chem, pp. 77-88.
Yousif, M.H., M.H., Abass, H., Selim, M.S. and Sloan, E.D., 1991, “Experimental and Theoretical Investigation of Methane-Gas-Hydrate Dissociation in Porous Media,” SPERE, pp. 69-76.

Information

Publisher :The Korean Society of Mineral and Energy Resources Engineers
Publisher(Ko) :한국자원공학회
Journal Title :Journal of the Korean Society for Geosystem Engineering
Journal Title(Ko) :한국지구시스템공학회지
Volume : 46
No :1
Pages :79-86

[1] 김세준, 허대기, 김현태, 이원석, 이재형, 2005, “초기 평가 단계 가스전의 개발 타당성 분석을 위한 생산최적화 연구,” 한국지구시스템공학회지, Vol. 42, No. 3, pp. 160-172.

[2] 배재유, 성원모, 권순일, 2007, “다중공 평판형 셀기기에서 하이드레이트 생산실험 분석연구,” 한국화학공학회지, Vol. 45, No. 3, pp. 304-309.

[3] 한국과학기술원, 2005, 치환기법을 이용한 가스하이드레이트 생산기술연구, 산업자원부.

[4] Bayles, G.A., Sawyer, W.K., Anada, H.R., Reddy, S. and Malone, R.D., 1986, “A Steam Cyclic Model for Gas Production from a Hydrate Reservoir,” Chem. Eng. Comm., Vol. 47, No. 2, pp. 225-245.

[5] Kamth, V.A. and Godbole, S.P., 1987, “Evaluation of Hot Brine Stimulation Technique for Gas Production From Natural Gas Hydrates,” JPT, pp. 1379-1388.

[6] Lee, J.H., Lee, W.S., Kim, S.J., Kim, H.T., and Huh, D.G.,2005, “Preliminary Study on Petrophysical Properties of Artificial Gas Hydrate Bearing Sediments,” Geosystem Eng., Vol. 8, No. 4, pp. 105-108.

[7] McGuire, P.L., 1982, “Recovery of Gas from Hydrate Deposit using Conventional Technology,” SPE/DOE 10832, presented at 1982 Unconventional Gas Recovery Symposium, Pittsburgh, PA.

[8] Park, Y.J., Cha, M.J., Cha, J.H., Shin, K.C., Lee, H., Park, K.P., Huh, D.G., Lee, H.Y., Kim, S.J., and Lee, J.H., 2008, “Swapping Carbon Dioxide for Complex Gas Hydrate Structures,” Proceedings of the 6th International Conference on Gas Hydrates (ICGH 2008), Vancouver, British Columbia, Canada, July 6-10.

[9] Sakamoto, Y., Komai, T., Haneda, H., Kawamura, T., Tenma, N., and Yamaguchi, T., 2005, “Experimental study on modification of permeability in a methane hydrate reservoir and gas production behaviour by the simultaneous injection of nitrogen,” Proceedings of the 5th International Conference on Gas Hydrates (ICGH 2005), Norway, Trondheim, June 13-16.

[10] Selim, M.S. and Sloan, E.D., 1990, “Hydrate Dissociation in Sediment,” SPERE, pp. 245-251.

[11] Seo, Y.T., Kang, S.P., and Lee, H., 2001, “Experimental Determination and Thermodynamic Modeling of Methane and Nitrogen Hydrates in the Presence of THF, Propylene Oxide, 1,4-Dioxane and Acetone,” Fluid Phase Equilibria, Vol. 189 No. 1-2, pp. 99-110.

[12] Sung, W.M., Lee, H.S., Kim, S.J., and Kang, H., 2003, “Experimental Investigation of Production Behaviors of Methane Hydrate Saturated in Porous Rock,” Energy Sources, Vol. 25, No. 8, pp. 845-856.

[13] Verigin, N. N., Khabibullin, I.L. and Khalikov, G.V., 1980, “Linear Problem of the Dissociation of the Hydrates of Gas in a Porous Medium,” Izvest. Akad. Nauk. SSR, Mekhanika Zhidkosti Gaza, Vol. 1, pp. 174-177.

[14] Yousif, M.H., Li, P.M., Selim, M.S. and Sloan, E.D., 1990, “Depressurization of Natural Gas Hydrate in Berea Sandstone Cores,” J.Inclusion Phenomena & Molecular Recognition Chem, pp. 77-88.

[15] Yousif, M.H., M.H., Abass, H., Selim, M.S. and Sloan, E.D., 1991, “Experimental and Theoretical Investigation of Methane-Gas-Hydrate Dissociation in Porous Media,” SPERE, pp. 69-76.

Journal of the Korean Society of Mineral and Energy Resources Engineers ISSN:2288-0291(Print) 2288-2790(Online) 한국자원공학회지

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