荔湾3-1气田深水段管线路由区工程地质分区与评价
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摘要
详细分析了荔湾3-1气田深水段管线路由区前期的勘察数据,并且结合路由区地形地貌特征、海底浅层土的分布与工程地质特性以及海底土体稳定性等要素对气田管线范围内土层进行了工程地质分区与评价,对在不稳定区的工程设施提出了相应的工程措施。荔湾3-1气田深水段管线路由区地质分区与评价有利于指导该区管线铺设与油气开采设备装配,同时也可为深水项目工程场地评价提供参考。
The engineering geological zoning and evaluation are performed for the deep water segment of the proposed pipeline route in LW3-1 gasfield by a detailed analysis of the pre-survey data and combining with the features of seafloor topography,shallow soils distribution,engineering geological charateristics and seabed stability.Relevant engineering procedures are suggested for subsea infrastructures in unstable seabed area.This study has provided not only the guidance to the laying of subsea pipelines and the installing of oil &gas production facilities in the area but also the reference to the evaluation of engineering site for deepwater projects.
The engineering geological zoning and evaluation are performed for the deep water segment of the proposed pipeline route in LW3-1 gasfield by a detailed analysis of the pre-survey data and combining with the features of seafloor topography,shallow soils distribution,engineering geological charateristics and seabed stability.Relevant engineering procedures are suggested for subsea infrastructures in unstable seabed area.This study has provided not only the guidance to the laying of subsea pipelines and the installing of oil &gas production facilities in the area but also the reference to the evaluation of engineering site for deepwater projects.
引文
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[2]孙宗勋,黄鼎成,詹文欢,等.南沙群岛工程地质环境分区与质量评价[J].工程地质学报,2003,11(1):36-43.
[3]李清平.我国海洋深水油气开发面临的挑战[J].中国海上油气,2006,18(2):130-133.
[4]BRADSHAW A S.Geotechnical properties and stratigraphy of the west continental slope[C].Gulf of Mexico.M.S.Thesis,Dept.of Oceanegineering,University of Rhode Island,1999.
[5]EVENS T,USHER N,MOORE R.Management of geotechnical and geohazard risks in the west Nile Delta[C].Proceedings of the 6th international offshore site investigation and geotechnics conference,2007:263-270.
[6]MOORE R,USHER N,EVANS.Integrated multidisciplinary assessment and mitigation of west Nile Delta Geohazards[C].Proceedings of the 6thinternational offshore site investigation and geotechnics conference,2007:33-42.
[7]李昭伟.南海东部地区近10年油气勘探进展及新领域分析[J].中国海上油气,2008,20(6):357-361.
[8]吴熙纯,王权锋,陈斯忠,等.从世界第三纪生物礁的油气储集潜能看中国南海生物礁储层发育和分布的控制因素[J].中国海上油气,2011,23(4):218-224.
[9]顾小芸.海底边坡稳定分析方法综述[J].力学进展,1989,19(1):50-52.
[10]黄日恒.珠江三角洲地区地震危险性刍议[J].华南地震,1998,18(1):64-69.
[11]丁原章,黄新辉.珠江三角洲地区未来地震危险性预测[J].华南地震,1998,18(1):56-63.
[12]陈伟光,魏柏林,赵红梅,等,珠江三角洲地区新构造运动[J].华南地震,2002,22(1):8-18.
[13]方文东,方国洪.南海南部海洋环流研究的新进展[J].地球科学进展,1998,13(2):166-167.
[14]冯文科,黎维峰.南海北部海底沙波地貌[J].热带海洋,1994,13(3):40-43.
[15]王尚毅,李大鸣.南海珠江口盆地陆架斜坡及大陆坡海底沙波动态分析[J].海洋学报,1994,16(6):122-131.