含水合物沉积物损伤统计本构模型及其参数确定方法

doi:10.7623/syxb201610007

石油学报 ›› 2016, Vol. 37 ›› Issue (10): 1273-1279.DOI: 10.7623/syxb201610007

含水合物沉积物损伤统计本构模型及其参数确定方法

李彦龙^1,2, 刘昌岭^1,2, 刘乐乐^1,2

1. 中国地质调查局青岛海洋地质研究所国土资源部天然气水合物重点实验室山东青岛 266071;
2. 海洋国家实验室海洋矿产资源评价与探测技术功能实验室山东青岛 266071

收稿日期:2015-12-07 修回日期:2016-06-30 出版日期:2016-10-25 发布日期:2016-11-09
通讯作者: 刘昌岭,男,1966年5月生,1989年获成都理工大学应用化学专业学士学位,2005年获中国海洋大学海洋地质专业博士学位,现为中国地质调查局青岛海洋地质研究所研究员、博士生导师,主要从事天然气水合物模拟实验技术研究。Email:qdliuchangling@163.com
作者简介:李彦龙,男,1989年5月生,2012年获中国石油大学(华东)石油工程专业学士学位,2015年获中国石油大学(华东)油气田开发工程专业硕士学位,现为中国地质调查局青岛海洋地质研究所研究实习员,主要从事海域天然气水合物开采理论与技术相关的研究。Email:liyanlongupc@163.com
基金资助:
国家自然科学基金面上项目（No.41376078）和国家自然科学基金青年科学基金项目（No.41606078，No.11402131）资助。

Damage statistic constitutive model of hydrate-bearing sediments and the determination method of parameters

Li Yanlong^1,2, Liu Changling^1,2, Liu Lele^1,2

1. The Key Laboratory of Gas Hydrate, Ministry of Land and Resources, Qingdao Institute of Marine Geology, China Geologial Servey, Shandong Qingdao 266071, China;
2. Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Shandong Qingdao 266071, China

Received:2015-12-07 Revised:2016-06-30 Online:2016-10-25 Published:2016-11-09

摘要/Abstract

摘要：

通过建立含天然气水合物沉积物本构模型，揭示沉积物的变形规律，准确预测水合物储层的力学性质，是有效开发天然气水合物资源的基本保证。基于含水合物沉积物微元强度服从Drucker-Prager准则和Weibull分布的基本假设，将统计强度理论与统计损伤理论有机结合，建立了能同时描述含水合物沉积物应变软化规律和应变硬化规律的损伤统计本构模型，探讨了模型参数求解思路，验证了模型的准确性。结果证明，含水合物沉积物屈服后发生应变软化还是应变硬化，取决于有效围压、水合物饱和度的综合影响，反映在模型参数上表现为Weibull参数m、F₀的共轭特性。模型参数主要影响含水合物沉积物损伤后的变化过程，对未损伤部分的影响较小。

关键词: 含水合物沉积物, 本构模型, 力学响应, 有效围压, 损伤统计

Abstract:

To effectively develop natural gas hydrate resources, it is essential to construct a constitutive model for gas hydrate-bearing sediments, reveal the deformation law of sediments, and precisely predict the mechanical properties of the hydrate reservoir. Based on the basic assumption that the micro-unit strength of hydrate-bearing sediments obeys the Drucker-Prager criterion and Weibull distribution law, a new statistic damage constitutive model which can simultaneously describe the strain softening and hardening law was established by combining the statistical damage theory and statistical strength theory. On this basis, the solution of model parameters was explored and the accuracy of the model was also verified. The study demonstrates that the hydrate-bearing sediments being strain softening or strain hardening phenomeon after yielding is controlled by the combined influence of effective confining pressure and hydrate saturation, which is reflect by the conjugacy of F₀ and m in Weibull model. Moreover, model parameters mainly affect the evolution of hydrate-bearing sediments after the damage, and has less impact on the undamaged part.

Key words: hydrate-bearing sediments, constitutive model, mechanical response, effective confining pressure, damage statistic

中图分类号:

TE133

李彦龙, 刘昌岭, 刘乐乐. 含水合物沉积物损伤统计本构模型及其参数确定方法[J]. 石油学报, 2016, 37(10): 1273-1279.

Li Yanlong, Liu Changling, Liu Lele. Damage statistic constitutive model of hydrate-bearing sediments and the determination method of parameters[J]. Acta Petrolei Sinica, 2016, 37(10): 1273-1279.

参考文献

[1] Ye Yuguang,Liu Changling.Natural gas hydrates:experimental techniques and their applications[M].Berlin Heidelberg:Springer,2013:3-10.
[2] Sloan Jr.E D,Koh C A.Clathrate hydrates of natural gases[M].3rd ed.Boca Raton:CRC Press,2008.
[3] 赵省民,邓坚,饶竹,等.漠河盆地多年冻土带生物气的发现及对陆域天然气水合物勘查的重要意义[J].石油学报,2015,36(8):954-965.
Zhao Xingmin,Deng Jian,Rao Zhu,et al.Occurrence of biogenic gas in the permafrost of Mohe Basin and its implication for gas hydrate exploration in continental permafrost,China[J].Acta Petrolei Sinica,2015,36(8):954-965.
[4] 宁伏龙,蒋国盛,张凌,等.影响含天然气水合物地层井壁稳定的关键因素分析[J].石油钻探技术,2008,36(3):59-61.
Ning Fulong,Jiang Guosheng,Zhang Ling,et al.Analysis of key factors affecting wellbore stability in gas hydrate formations[J].Petroleum Drilling Techniques,2008,36(3):59-61.
[5] 于兴河,王建忠,梁金强,等.南海北部陆坡天然气水合物沉积成藏特征[J].石油学报,2014,35(2):253-264.
Yu Xinghe,Wang Jianzhong,Liang Jinqiang,et al.Depositional accumulation characteristics of gas hydrate in the northern continental slope of South China Sea[J].Acta Petrolei Sinica,2014,35(2):253-264.
[6] Nabil S,Sebastien G.Geomechanical constitutive modelling of gas-hydrate-bearing sediments[C]//Proceedings of the 7th International Conference on Gas Hydrates (ICGH 2011).Edinburgh,Scotland,UK:ICGH,2011.
[7] 杨期君,赵春风.含气水合物沉积物弹塑性损伤本构模型探讨[J].岩土力学,2014,35(4):991-997.
Yang Qijun,Zhao Chunfeng.A constitutive model coupling elastoplasticity and damage for methane hydrate-bearing sediments[J].Rock and Soil Mechanics,2014,35(4):991-997.
[8] Miyazaki K,Aoki K,Tenma N.A nonlinear elastic constitutive model for artificial methane-hydrate-bearing sediment[C]//Proceedings of the 7th International Conference on Gas Hydrates (ICGH 2011).Edinburgh,Scotland,United Kingdom:ICGH,2011
[9] 吴二林,魏厚振,颜荣涛,等.考虑损伤的含天然气水合物沉积物本构模型[J].岩石力学与工程学报,2012,31(增刊1):3045-3050.
Wu Erlin,Wei Houzhen,Yan Rongtao,et al.Constitutive model for gas hydrate bearing sediments considering damage[J].Chinese Journal of Rock Mechanics and Engineering,2012,31(Supplement 1):3045-3050.
[10] 吴二林,韦昌富,魏厚振,等.含天然气水合物沉积物损伤统计本构模型[J].岩土力学,2013,34(1):60-66.
Wu Erlin,Wei Changfu,Wei Houzhen,et al.A statistical damage constitutive model of hydrate-bearing sediments[J].Rock and Soil Mechanics,2013,34(1):60-66.
[11] 颜荣涛,韦昌富,傅鑫晖,等.水合物赋存模式对含水合物土力学特性的影响[J].岩石力学与工程学报,2013,32(增刊2):4115-4122.
Yan Rongtao,Wei Changfu,Fu Xinhui,et al.Influence of occurrence mode of hydrate on mechanical behaviour of hydrate-bearing soils[J].Chinese Journal of Rock Mechanics and Engineering,2013,32(Supplement 2):4115-4122.
[12] Miyazaki K,Masui A,Sakamoto Y,et al.Triaxial compressive properties of artificial methane-hydrate-bearing sediment[J].Journal of Geophysical Research:Solid Earth,2011,116:B06102.
[13] Cao Wengui,Zhang Sheng.Study on random statistical method of damage for softening hardening constitutive model of rock[C]//Proceedings of the Second China-Japan Geotechnical Symposium.Shanghai:Tongji University Press,2005:269-273.
[14] 曹文贵,方祖烈,唐学军.岩石损伤软化统计本构模型之研究[J].岩石力学与工程学报,1998,17(6):628-633.
Cao Wengui,Fang Zulie,Tang Xuejun.A study of statistical constitutive model for soft and damage rocks[J].Chinese Journal of Rock Mechanics and Engineering,1998,17(6):628-633.
[15] 颜荣涛,韦昌富,魏厚振,等.水合物形成对含水合物砂土强度影响[J].岩土工程学报,2012,34(7):1234-1240.
Yan Rongtao,Wei Changfu,Wei Houzhen,et al.Effect of hydrate formation on mechanical strength of hydrate-bearing sand[J].Chinese Journal of Geotechnical Engineering,2012,34(7):1234-1240.
[16] 曹文贵,张升,赵明华.基于新型损伤定义的岩石损伤统计本构模型探讨[J].岩土力学,2006,27(1):41-46.
Cao Wengui,Zhang Sheng,Zhao Minghua.Study on statistical damage constitutive model of rock based on new definition of damage[J].Rock and Soil Mechanics,2006,27(1):41-46.
[17] 曹文贵,莫瑞,李翔.基于正态分布的岩石软硬化损伤统计本构模型及其参数确定方法探讨[J].岩土工程学报,2007,29(5):671-675.
Cao Wengui,Mo Rui,Li Xiang.Study on statistical constitutive model and determination of parameters of rock based on normal distribution[J].Chinese Journal of Geotechnical Engineering,2007,29(5):671-675.
[18] 孙晓杰,程远方,李令东,等.天然气水合物岩样三轴力学试验研究[J].石油钻探技术,2012,40(4):52-57.
Sun Xiaojie,Cheng Yuanfang,Li Lingdong,et al.Triaxial compression test on synthetic core sample with simulated hydrate-bearing sediments[J].Petroleum Drilling Techniques,2012,40(4):52-57.
[19] Miyazaki K,Tenma N,Aoki K,et al.A nonlinear elastic model for triaxial compressive properties of artificial methane-hydrate-bearing sediment samples[J].Energies,2012,5(10):4057-4075.
[20] 孙中明,张剑,刘昌岭,等.沉积物中甲烷水合物饱和度测定及其力学特性研究[J].实验力学,2013,28(6):747-754.
Sun Zhongming,Zhang Jian,Liu Changling,et al.On the determination of methane hydrate saturation and mechanical properties of sediments containing methane hydrate[J].Journal of Experimental Mechanics,2013,28(6):747-754.
[21] 于锋,宋永臣,李洋辉,等.含冰甲烷水合物的应力与应变关系[J].石油学报,2011,32(4):687-692.
Yu Feng,Song Yongchen,Li Yanghui,et al.A study on stress-strain relations of methane hydrates[J].Acta Petrolei Sinica,2011,32(4):687-692.
[22] 刘芳,寇晓勇,蒋明镜,等.含水合物沉积物强度特性的三轴试验研究[J].岩土工程学报,2013,35(8):1565-1572.
Liu Fang,Kou Xiaoyong,Jiang Mingjing,et al.Triaxial shear strength of synthetic hydrate-bearing sediments[J].Chinese Journal of Geotechnical Engineering,2013,35(8):1565-1572.
[23] 魏厚振,颜荣涛,陈盼,等.不同水合物含量含二氧化碳水合物砂三轴试验研究[J].岩土力学,2011,32(增刊2):198-203.
Wei Houzhen,Yan Rongtao,Chen Pan,et al.Deformation and failure behavior of carbon dioxide hydrate-bearing sands with different hydrate contents under triaxial shear tests[J].Rock and Soil Mechanics,2011,32(Supplement2):198-203.
[24] Masui A,Haneda H,Ogata Y,et al.Effects of methane hydrate formation on shear strength of synthetic methane hydrate sediments[C]//Proceedings of the 15th International Offshore and Polar Engineering Conference.Seoul,Korea:International Society of Offshore and Polar Engineers,2005.
[25] Ghiassian H,Grozic J L H.Strength behavior of methane hydrate bearing sand in undrained triaxial testing[J].Marine and Petroleum Geology,2013,43:310-319.
[26] Miyazaki K,Aoki K,Tenma N,et al.Application of nonlinear elastic constitutive model to analysis of artificial methane-hydrate-bearing sediment sample[C]//Proceedings of the Ninth ISOPE Ocean Mining Symposium.Maui,Hawaii,USA:International Society of Offshore and Polar Engineers,2011.
[27] Masui A,Haneda H,Ogata Y,et al.The effect of saturation degree of methane hydrate on the shear strength of synthetic methane hydrate sediments[C]//Proceedings of the 5th International Conference on Gas Hydrates.Trondheim,Norway:Tapir Academic Press,2005:674-680.
[28] Waite W F,Helgerud M B,Nur A,et al.Laboratory measurements of compressional and shear wave speeds through methane hydrate[J].Annals of the New York Academy of Sciences,2000,912:1003-1010.

含水合物沉积物损伤统计本构模型及其参数确定方法

Damage statistic constitutive model of hydrate-bearing sediments and the determination method of parameters

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