水平井地质导向技术在苏里格气田开发中的应用——以苏10和苏53区块为例
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摘要
苏里格气田是典型的低渗、低压、低丰度岩性气藏,气田开发中面临着实施区域井控程度低,区内储层非均质性强、分布不稳定,局部地区微构造发育等困难,实施水平井的地质风险较高。为克服以上困难,确保钻井成功,提高储层钻遇率,从如何选取对比标志进行精细地层对比出发,进而开展工区微构造、沉积及储层展布规律研究。在此基础上,应用地震含气性预测成果,以构造及沉积相为约束,利用精细地质建模、微构造预测等技术进行储层3D精细建模,对待钻地层储层展布情况、微构造起伏情况进行模拟和预测。实钻过程中,综合利用研究成果、钻井、录井、随钻测量等多种信息,对地下微构造变化进行预测及井底岩性快速识别,实时修正地质模型,为水平井及时准确调整提供充分依据。
Sulige gas field is a typical lithology-controlled gas reservoir with low permeability,low pressure,and low abundance.Development of this gas field faces varisou challenges,such as low degree of well control in drilling area,uncertainty of micro structure in some area,strong heterogeneity of reservoir and unstable sand distribution,making horizontal well drilling being highly risky.To guarantee drilling success and increase the ratio of target penetration,we first performed high-resolution stratigraphic correlation based on proper selection of marker beds,and then carried out detailed studies of the micro structure,deposition and reservoir distribution.Based on seismic prediction of gas-bearing properties and under the constraints of structure and sedimentary facies,we built a delicate 3D geologic model with fine geologic modeling technique and micro structure forecasting technology.With this model,we mapped the reservoir distribution and micro structures before drilling operation.During drilling operation,these study results can be integrated with the drilling,mud logging,MWD data to predict the change of subsurface microstructures and rapid identification of bottom hole lithology,which in turn can be used in the real-time modification of geologic model and drilling design.
Sulige gas field is a typical lithology-controlled gas reservoir with low permeability,low pressure,and low abundance.Development of this gas field faces varisou challenges,such as low degree of well control in drilling area,uncertainty of micro structure in some area,strong heterogeneity of reservoir and unstable sand distribution,making horizontal well drilling being highly risky.To guarantee drilling success and increase the ratio of target penetration,we first performed high-resolution stratigraphic correlation based on proper selection of marker beds,and then carried out detailed studies of the micro structure,deposition and reservoir distribution.Based on seismic prediction of gas-bearing properties and under the constraints of structure and sedimentary facies,we built a delicate 3D geologic model with fine geologic modeling technique and micro structure forecasting technology.With this model,we mapped the reservoir distribution and micro structures before drilling operation.During drilling operation,these study results can be integrated with the drilling,mud logging,MWD data to predict the change of subsurface microstructures and rapid identification of bottom hole lithology,which in turn can be used in the real-time modification of geologic model and drilling design.
引文
[1]王国勇.苏里格气田水平井整体开发技术优势与条件制约——以苏53区块为例[J].特种油气藏,2012,19(1):62-65.Wang Guoyong.Technical advantages and constraints of developingthe whole block of Sulige gas filed by horizontal wells—a case ofblock SU53[J].Special Oil and Gas Reservoirs,2012,19(1):62-65.
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[3]秦宗超,邢维奇.水平井地质导向技术在复杂河流相油田中的应用——以曹妃甸11-1油田为例[J].石油勘探与开发,2006,33(3):378-381.Qin Zongchao,Xing Weiqi.Application of geosteering technique ofhorizontal well in complex fluvial reservoir—a case from Caofeidian11-1 oilfield[J].Petroleum Exploration and Development,2006,33(3):378-381.
[4]姬生柱,毕雪松.多学科方法在优化薄油层水平井地质设计及现场导向中的应用[J].大庆石油地质与开发,2006,24(4):64-66.Ji Shengzhu,Bi Xuesong.Application of multidisciplinary approach inoptimization of thin oil reservoir geological design of horizontal welland field geosteering[J].Petroleum Greology&Oilfield Developmentin Daqing,2006,24(4):64-66.
[5]罗万静,王晓冬,李义娟.钻井的眼睛——地质导向理论及实践[J].西部探矿工程,2006,18(2):149-152.Luo Wanjing,Wang Xiaodong,Li Yijuan.The eye of drilling—geo-steering theory and practice[J].West-China Exploration Enginee-ring,2006,18(2):149-152.
[6]王道富,付金华,雷启鸿.鄂尔多斯盆地低渗透油气田勘探开发技术与展望[J].岩性油气藏,2007,19(3):126-130.Wang Daofu,Fu Jinhua,Lei Qihong.Exploration technology and pros-pect of low permeability oil-gas field in Ordos Basin[J].LithologicReservoirs,2007,19(3):126-130.
[7]蒋林军.常规技术条件下水平井大斜度井地质导向技术探讨[J].西部探矿工程,2005,14(10):69-72.Jang Lingjun.Discussion of geosteering technology of highly-deviatedwell under conventional condition[J].West-China Exploration Engi-neering,2005,14(10):69-72.
[8]刘波,刘振,王广运,等.大庆老区水平井地质设计方法[J].大庆石油地质与开发,2003,21(5):46-47.Liu Bo,Liu Zhen,Wang Guangyun,et al.Geological design of hori-zontal well in mauture area of Daqing oilfeld[J].Petroleum Geology&Oilfield Development in Daqing,2003,21(5):46-47.
[9]Orangi A,Nagarajan N R,Rosenzweig J.Unconventional shale oil andgas-condensate reservoir production impact of rock,fluid and hydrau-lic fractures[J].SPE 140536,2011.
[10]马新华.鄂尔多斯盆地上古生界深盆气特点与成藏机理探讨[J].石油与天然气地质,2005,26(4):230-236.Ma Xinhua.Discussion on characteristics and reservoiring mechanismof deep basin gas in Upper Paleozoic in Ordos basin[J].Oil&GasGeology,2005,26(4):230-236.
[11]王志雄,徐国盛.鄂尔多斯盆地苏里格庙气田上古气藏成藏机理研究[J].断块油气田,2003,10(3):9-11.Wang Zhixiong,Xu Guosheng.Study on forming law of upper paleo-zoic gas reservoir in Suligemiao gas field,Ordos Basin[J].Fault-block Oil&Gas Field,2003,10(3):9-11.
[12]姜在兴.沉积学[M].北京:石油工业出版社,2003:282-298.Jang Zaixing.Sedimentology[M].Beijing:Petroleum Industry Press,2003:282-298.
[13]王氏成,郭亚斌,杨智,等.苏里格南部盒8段沉积微相研究[J].岩性油气藏,2010,22(增刊):31-36.Wang Shicheng,Guo Yabin,Yang Zhi,et al.Study on sedimentarymicrofacies of the eighth member of Shihezi Formation in southernSulige[J]Lithologic Reservoirs,2010,22(S1):31-36.
[14]何东博,贾爱林,田昌炳,等.苏里格气田储集层成岩作用及有效储集层成因[J].石油勘探与开发,2004,31(3):17-21.He Dongbo,Jia Ailin,Tian Changbing,et al.Diagenesis and genesisof effective sandstone reservoirs in the Sulige Gas Field[J]PetroleumExploration and Development,2004,31(3):17-21.
[15]叶成林,王国勇,何凯,等.苏里格气田储层宏观非均质性——以苏53区块石盒子组8段和山西组1段为例[J].石油与天然气地质,2011,32(2):236-244.Ye Chenglin,Wang Guoyong,He Kai,et al.Macro heterogeneity ofreservoirs in Sulige gasfield—a case study of the 8th member of theShihezi Formation and the 1st member of the Shanxi Formation in theSu53 Block[J].Oil&Gas Geology,2011,32(2):236-244.
[16]边立恩,于茜,韩自军,等.基于谱分解技术的储层定量地震解释[J].石油与天然气地质,2011,32(5):718-723.Bian Li’en,Yu Qian,Han Zijun,et al.Quantitative seismic interpre-tation of reservoirs based on spectral decomposition technique[J].Oil&Gas Geology,2011,32(5):718-723.
[17]王香文,刘红,滕彬彬,等.地质统计学反演技术在薄储层预测中的应用[J].石油与天然气地质,2012,33(5):730-735.Wang Xiangwen,Liu Hong,Teng Binbin,et al.Application of geosta-tistical inversion to thin reservoir prediction[J].Oil&Gas Geology,2012,33(5):730-735.
[18]闵小刚,陈开远,范廷恩.井-震结合进行河流相储层非均质性表征——以渤海湾盆地黄河口凹陷渤中263油田为例[J].石油与天然气地质,2011,32(3):375-381.Min Xiaogang,Chen Kaiyuan,Fan Ting’en.Heterogeneity characteri-zation of fluvial facies reservoirs through integration of seismic andlogging data—an example from Bozhong-263 oilfield in the Huang-hekou Sag,the Bohai Bay Basin[J].Oil&Gas Geology,2011,32(3):375-381.
[19]石晓燕.Petrel软件在精细地质建模中的应用[J].新疆石油地质,2007,28(6):773-774.Shi Xiaoyan.Application of Petrel software to 3D fine geologic mode-ling[J].Xinjiang Petroleum Geology,2007,28(6):773-774.
[20]陈义才,林杭杰,唐波,等.苏里格地区石炭-二叠系天然气充注特点及充注能力[J].石油与天然气地质,2011,32(1):91-97.Chen Yicai,Lin Hangjie,Tang Bo,et al.Characteristics and poten-tial of gas charging in the Permo-Carboniferous of Sulige region[J].Oil&Gas Geology,2011,32(1):91-97.
[21]罗东明,陈舒薇,张广权.大牛地气田上古生界沉积相与天然气富集规律的再认识[J].石油与天然气地质,2011,32(3):368-374.Luo Dongming,Chen Shuwei,Zhang Guangquan.New understan-dings of the Upper Paleozoic sedimentary facies and gas accumulationpatterns in Daniudi gas field[J].Oil&Gas Geology,2011,32(3):368-374.
[22]李明瑞,张清,段宏臻,等.苏里格气田上古生界主要含气层系粘土矿物分布及其主控因素[J].石油与天然气地质,2012,33(5):743-750.Li Mingrui,Zhang Qing,Duan Hongzhen,et al.Clay mineral distri-bution and its controlling factors in the Upper Paleozoic gas reservoirsof Sulige gas field[J].Oil&Gas Geology,2012,33(5):743-750.
[2]霍进,史晓川,张一军,等.新疆油田水平井地质导向技术研究及应用[J].特种油气藏,2008,15(3):37-41.Huo Jin,Shi Xiaochuan,Zhang Yijun,et al.Research and applicationof horizontal well geosteering technology in Xinjiang Oil Field[J].Special Oil and Gas Reservoirs,2008,15(3):37-41.
[3]秦宗超,邢维奇.水平井地质导向技术在复杂河流相油田中的应用——以曹妃甸11-1油田为例[J].石油勘探与开发,2006,33(3):378-381.Qin Zongchao,Xing Weiqi.Application of geosteering technique ofhorizontal well in complex fluvial reservoir—a case from Caofeidian11-1 oilfield[J].Petroleum Exploration and Development,2006,33(3):378-381.
[4]姬生柱,毕雪松.多学科方法在优化薄油层水平井地质设计及现场导向中的应用[J].大庆石油地质与开发,2006,24(4):64-66.Ji Shengzhu,Bi Xuesong.Application of multidisciplinary approach inoptimization of thin oil reservoir geological design of horizontal welland field geosteering[J].Petroleum Greology&Oilfield Developmentin Daqing,2006,24(4):64-66.
[5]罗万静,王晓冬,李义娟.钻井的眼睛——地质导向理论及实践[J].西部探矿工程,2006,18(2):149-152.Luo Wanjing,Wang Xiaodong,Li Yijuan.The eye of drilling—geo-steering theory and practice[J].West-China Exploration Enginee-ring,2006,18(2):149-152.
[6]王道富,付金华,雷启鸿.鄂尔多斯盆地低渗透油气田勘探开发技术与展望[J].岩性油气藏,2007,19(3):126-130.Wang Daofu,Fu Jinhua,Lei Qihong.Exploration technology and pros-pect of low permeability oil-gas field in Ordos Basin[J].LithologicReservoirs,2007,19(3):126-130.
[7]蒋林军.常规技术条件下水平井大斜度井地质导向技术探讨[J].西部探矿工程,2005,14(10):69-72.Jang Lingjun.Discussion of geosteering technology of highly-deviatedwell under conventional condition[J].West-China Exploration Engi-neering,2005,14(10):69-72.
[8]刘波,刘振,王广运,等.大庆老区水平井地质设计方法[J].大庆石油地质与开发,2003,21(5):46-47.Liu Bo,Liu Zhen,Wang Guangyun,et al.Geological design of hori-zontal well in mauture area of Daqing oilfeld[J].Petroleum Geology&Oilfield Development in Daqing,2003,21(5):46-47.
[9]Orangi A,Nagarajan N R,Rosenzweig J.Unconventional shale oil andgas-condensate reservoir production impact of rock,fluid and hydrau-lic fractures[J].SPE 140536,2011.
[10]马新华.鄂尔多斯盆地上古生界深盆气特点与成藏机理探讨[J].石油与天然气地质,2005,26(4):230-236.Ma Xinhua.Discussion on characteristics and reservoiring mechanismof deep basin gas in Upper Paleozoic in Ordos basin[J].Oil&GasGeology,2005,26(4):230-236.
[11]王志雄,徐国盛.鄂尔多斯盆地苏里格庙气田上古气藏成藏机理研究[J].断块油气田,2003,10(3):9-11.Wang Zhixiong,Xu Guosheng.Study on forming law of upper paleo-zoic gas reservoir in Suligemiao gas field,Ordos Basin[J].Fault-block Oil&Gas Field,2003,10(3):9-11.
[12]姜在兴.沉积学[M].北京:石油工业出版社,2003:282-298.Jang Zaixing.Sedimentology[M].Beijing:Petroleum Industry Press,2003:282-298.
[13]王氏成,郭亚斌,杨智,等.苏里格南部盒8段沉积微相研究[J].岩性油气藏,2010,22(增刊):31-36.Wang Shicheng,Guo Yabin,Yang Zhi,et al.Study on sedimentarymicrofacies of the eighth member of Shihezi Formation in southernSulige[J]Lithologic Reservoirs,2010,22(S1):31-36.
[14]何东博,贾爱林,田昌炳,等.苏里格气田储集层成岩作用及有效储集层成因[J].石油勘探与开发,2004,31(3):17-21.He Dongbo,Jia Ailin,Tian Changbing,et al.Diagenesis and genesisof effective sandstone reservoirs in the Sulige Gas Field[J]PetroleumExploration and Development,2004,31(3):17-21.
[15]叶成林,王国勇,何凯,等.苏里格气田储层宏观非均质性——以苏53区块石盒子组8段和山西组1段为例[J].石油与天然气地质,2011,32(2):236-244.Ye Chenglin,Wang Guoyong,He Kai,et al.Macro heterogeneity ofreservoirs in Sulige gasfield—a case study of the 8th member of theShihezi Formation and the 1st member of the Shanxi Formation in theSu53 Block[J].Oil&Gas Geology,2011,32(2):236-244.
[16]边立恩,于茜,韩自军,等.基于谱分解技术的储层定量地震解释[J].石油与天然气地质,2011,32(5):718-723.Bian Li’en,Yu Qian,Han Zijun,et al.Quantitative seismic interpre-tation of reservoirs based on spectral decomposition technique[J].Oil&Gas Geology,2011,32(5):718-723.
[17]王香文,刘红,滕彬彬,等.地质统计学反演技术在薄储层预测中的应用[J].石油与天然气地质,2012,33(5):730-735.Wang Xiangwen,Liu Hong,Teng Binbin,et al.Application of geosta-tistical inversion to thin reservoir prediction[J].Oil&Gas Geology,2012,33(5):730-735.
[18]闵小刚,陈开远,范廷恩.井-震结合进行河流相储层非均质性表征——以渤海湾盆地黄河口凹陷渤中263油田为例[J].石油与天然气地质,2011,32(3):375-381.Min Xiaogang,Chen Kaiyuan,Fan Ting’en.Heterogeneity characteri-zation of fluvial facies reservoirs through integration of seismic andlogging data—an example from Bozhong-263 oilfield in the Huang-hekou Sag,the Bohai Bay Basin[J].Oil&Gas Geology,2011,32(3):375-381.
[19]石晓燕.Petrel软件在精细地质建模中的应用[J].新疆石油地质,2007,28(6):773-774.Shi Xiaoyan.Application of Petrel software to 3D fine geologic mode-ling[J].Xinjiang Petroleum Geology,2007,28(6):773-774.
[20]陈义才,林杭杰,唐波,等.苏里格地区石炭-二叠系天然气充注特点及充注能力[J].石油与天然气地质,2011,32(1):91-97.Chen Yicai,Lin Hangjie,Tang Bo,et al.Characteristics and poten-tial of gas charging in the Permo-Carboniferous of Sulige region[J].Oil&Gas Geology,2011,32(1):91-97.
[21]罗东明,陈舒薇,张广权.大牛地气田上古生界沉积相与天然气富集规律的再认识[J].石油与天然气地质,2011,32(3):368-374.Luo Dongming,Chen Shuwei,Zhang Guangquan.New understan-dings of the Upper Paleozoic sedimentary facies and gas accumulationpatterns in Daniudi gas field[J].Oil&Gas Geology,2011,32(3):368-374.
[22]李明瑞,张清,段宏臻,等.苏里格气田上古生界主要含气层系粘土矿物分布及其主控因素[J].石油与天然气地质,2012,33(5):743-750.Li Mingrui,Zhang Qing,Duan Hongzhen,et al.Clay mineral distri-bution and its controlling factors in the Upper Paleozoic gas reservoirsof Sulige gas field[J].Oil&Gas Geology,2012,33(5):743-750.
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