阳高寺气田茅口组气藏资源潜力及开发对策研究
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摘要
阳高寺气田茅口组气藏是一个具有典型代表意义的低压气藏,生产时间长达47年,目前井口生产压力普遍在1.0-2.0MPa。截止2009年12月底,气田共完钻井51口,获气井31口,嘉陵江组获气井15口,长兴获气井1口,茅口组获气井15口,累计产气49.38×108m3,累产水141.52x104m3。其中茅口组气藏作为阳高寺的主力气藏,探明地质储量45.52×108m3,截至2009年12月,累计产气36.79×108m3,累产水141.23×104m3,剩余地质储量8.73×108m3。其中,阳7井区、阳47井和阳49井等裂缝系统合计剩余储量6.18×108m3,占总剩余储量的70.79%。
本文通过对上述茅口组裂缝系统低压气井的动态特征研究,分析气藏含水与出水情况；分析气藏温度、压力；判断储层连通性和水动力系统；分析气水分布与气水关系；分析气井和气藏的生产动态特点；动态储量计算；预测气井气藏产能等；并根据以上研究确定和建议气井后期开发的措施及对策进行潜力分析和开采措施研究,旨在提高气藏的最终采收率。
The Maokouzu reservoir in Yang'gaosi district is a typical low-pressure reservoir, which has 47-year production period and maintains production pressure between 1-2 MPa at present. It has 51 completed wells and 31 gas wells by the end of 2009, Jialinjiangzu reservoir has 15 gas wells, the same as Maokouzu reservoir, and Changxingzu reservoir just got 1 gas well. The whole reservoir has cumulatively output 49.38×108m3 gas and 141.52×104m3 water, including 36.79×108m3 gas and 141.23×104m3 water from Maokouzu reservoir, which has got 45.52×108m3 original gas reserves in place and remaining 8.73×108m3 unexploited (The Yang 7 district, Yang 47 well and Yang 49 well got 6.18×108m3, reach 70.79% of the whole unexploited gas reserves in place).
This paper has done dynamic characteristics research to distinguish the reservoir type; analyses the pressure and temperature of reservoir; analyses the distribution and relationship of the gas-water, reexamine the gas reserves in place and recoverable reserves; forecast the well or reservoir productivity etc. Finally, this paper will get the Maokouzu reservoir potentiality, and make the development countermeasures, in order to enhance the Maokouzu reservoir recovery almightily.
本文通过对上述茅口组裂缝系统低压气井的动态特征研究,分析气藏含水与出水情况；分析气藏温度、压力；判断储层连通性和水动力系统；分析气水分布与气水关系；分析气井和气藏的生产动态特点；动态储量计算；预测气井气藏产能等；并根据以上研究确定和建议气井后期开发的措施及对策进行潜力分析和开采措施研究,旨在提高气藏的最终采收率。
The Maokouzu reservoir in Yang'gaosi district is a typical low-pressure reservoir, which has 47-year production period and maintains production pressure between 1-2 MPa at present. It has 51 completed wells and 31 gas wells by the end of 2009, Jialinjiangzu reservoir has 15 gas wells, the same as Maokouzu reservoir, and Changxingzu reservoir just got 1 gas well. The whole reservoir has cumulatively output 49.38×108m3 gas and 141.52×104m3 water, including 36.79×108m3 gas and 141.23×104m3 water from Maokouzu reservoir, which has got 45.52×108m3 original gas reserves in place and remaining 8.73×108m3 unexploited (The Yang 7 district, Yang 47 well and Yang 49 well got 6.18×108m3, reach 70.79% of the whole unexploited gas reserves in place).
This paper has done dynamic characteristics research to distinguish the reservoir type; analyses the pressure and temperature of reservoir; analyses the distribution and relationship of the gas-water, reexamine the gas reserves in place and recoverable reserves; forecast the well or reservoir productivity etc. Finally, this paper will get the Maokouzu reservoir potentiality, and make the development countermeasures, in order to enhance the Maokouzu reservoir recovery almightily.
引文
[1]李仕伦等.天然气工程.石油工业出版社,2000.8：2-4
[2]王亚玲.碳酸盐岩储层半定量评价.海洋石油,2002,114(2)：42-48
[3]钟孚勋.四川盆地天然气开发实践与认识.天然气工业,2002,22(增)：8-10
[4]杨川东.采气工程.石油工业出版社,2001.2
[5]张良鹤.天然气集输工程.石油工业出版社,2001.4
[6]钟孚勋.气藏工程.石油工业出版社,2001.2
[7]匡建超等.综合总目标函数最优化方法计算水驱气藏储量与水侵量.天然气工业,1993.13.6：41-46
[8]朱义东,黄炳光等.异常高压气藏地质储量计算新方法.大庆石油地质与开发,2005.24.1：10-12
[9]吴宜禄,李晓平等.异常高压气藏地质储量动态分析的半解析压降法.天然气工业,2005.25.2：146-148
[10]梁涛,郭肖.一种计算水驱凝析气藏动态储量的方法.内蒙古石油化工,2007.5：307-309
[11]向传刚,陆正元等.四川盆地香溪群有水气藏天然气储量计算方法.断块油气田,2006.13.4：38-40
[12]王怒涛,黄炳光等.水驱气藏动态储量及水侵量计算新方法.西南石油学院学报,2000.22.4：26-32
[13]张伦友,彭宽军.石油天然气储量价值评估方法研究.天然气勘探与开发,2005.28.3：69-72
[14]刘世常,李闽等.计算水驱气藏地质储量和水侵量的简便方法.新疆石油地质,2008.29.1：88-90
[15]陈元千.对我国《天然气可采储量计算方法》行业标准的评论与建议.石油科技论坛,2005.10：16-23
[16]陈元千.确定水驱气藏天然水侵程度的方法.低渗透油气田,1999.440.43
[17]陈元千.气田天然水侵的判断方法.石油勘探与开发,1978(3)5：51-57
[18]俞启泰.有限含水层未饱和油藏的水侵计算.石油学报,1988.4：49-56
[19]熊钰等.非均质气藏局部封存水体性质及水侵动态分析方法研究.天然气工业,2004.24(2)：78-81
[20]李允.有水气藏渗流规律及开采技术研究.研究报告,2002-
[21]疏壮志等.碳酸盐岩裂缝性水驱气藏水锁实验研究.天然气工业,2004,24(6)：89-92
[22]武楗棠.碳酸盐岩有水气藏稳产对策研究.2005.5：20-22
[23]黄炳光,刘蜀知.高等油藏工程.石油工业出版社,1997.11
[24]陈元千.现代油藏工程.北京：石油工业出版社.2001
[25]李传亮.气藏水侵量的计算方法研究.新疆石油地质,2003.24(5)：430-431
[26]孙志道等.裂缝性有水气藏开采特征和开发方式优选.石油勘探与开发,2002.29(4)：69-71
[27]徐和笙.四川盆地油气藏特点类型及勘探方法自议.天然气勘探,北京：石油工业出版社,1981
[28]俞启泰等.物质平衡微分方程在油(气)藏水侵计算中的应用.石油学报,1990.11(3)：87
[29]R. W. Chase. Dimensionless IPR Cueves for Predicting Gas Well Performance. SPE 17062
[30]Beggs, H. D. Gas Prouduction Operations. OGCL Publications, Oil & Gas Consultants Intertional
[31]Foss, D. L.& Gaul, R. B.. Plunger-Lift Performance Criteria with Operating Experience-Ventura Avenue Field. API Drilling and Prod. Prac.
[32]T. H. Ahmed and C. Montana. Comparative Study of Eight Equaions of State for PreDicting Hydrocarbon Volumetric Phase Behavior. SPE 15673
[33]A. Firoozabadi, R. Nutakki, T. Wang, and K. Aziz. EOS Predictions of Compressibility and Phase Behavior in Systems Containing Water, Hydrocarbons, and CO2. SPE 15674
[34]Schilthuis. R.J. Active Oil and Reservoir Energy. Trans.AIME,1936,118:33-52
[35]Hurst. W. Water Influx Into a Reservoir and Its Application to the Equation of Volumetric Balance. AIME,1943,151:57
[36]Van Everdingen, A. F.,Hurst, W., The Application of the Laplace Transformation to Flow Problems in Reservoirs,Trans.,AIME,1949,186:305.324
[37]Fetkovich,M.J., A Simplified Approach to Water Influx Calculations—Finite Aquifer System,JPT,July 1971:814.828
[38]Hagoort, J. Fundamentals of Gas Reservoir Engineering, Elsevier,Amsterdam, New York (1988).
[39]Hower, T. L. and Collins, R.E.:Detecting Compartmentalization in Gas Reservoirs Through Production Performance, SPE paper 19790
[40]Lord,M.E.and Collins, R.E.:Detecting Compartmented Gas Reservoirs Through Production Performance, SPE paper 22941
[41]Payne,D.A.:Material Balance Calculations in Tight Gas Reservoirs:The Pitfalls of p/z Plots and a More Accurate Technique, SPERE (November 1996) Ⅱ,260
[42]Jacques Hagoort. and Rob Hoogstra.:Numerical Solution of the Material Balance Equations of Compartmented Gas Reservoirs. SPE paper 38082
[43]Gherson Penuela et al. A New Material Balance Equation for Naturally Fractured Reservoirs Using a Dual System Approach. SPE paper 68831
[44]S.W.Wang et al. Analysis of Overpressured Reservoirs with A New Material Balance Method. SPE paper 56690
[45]J.L.Pletcher.:Improvements to Reservoir Material Balance Methods. SPE paper 75354
[46]Faruk Civan and Maurice L. Rasmussen:Modeling and Validation of Sindered Matrix Fracture Transfer For Naturally Fractured Petroleum Reservoirs. SPE paper 80918
[2]王亚玲.碳酸盐岩储层半定量评价.海洋石油,2002,114(2)：42-48
[3]钟孚勋.四川盆地天然气开发实践与认识.天然气工业,2002,22(增)：8-10
[4]杨川东.采气工程.石油工业出版社,2001.2
[5]张良鹤.天然气集输工程.石油工业出版社,2001.4
[6]钟孚勋.气藏工程.石油工业出版社,2001.2
[7]匡建超等.综合总目标函数最优化方法计算水驱气藏储量与水侵量.天然气工业,1993.13.6：41-46
[8]朱义东,黄炳光等.异常高压气藏地质储量计算新方法.大庆石油地质与开发,2005.24.1：10-12
[9]吴宜禄,李晓平等.异常高压气藏地质储量动态分析的半解析压降法.天然气工业,2005.25.2：146-148
[10]梁涛,郭肖.一种计算水驱凝析气藏动态储量的方法.内蒙古石油化工,2007.5：307-309
[11]向传刚,陆正元等.四川盆地香溪群有水气藏天然气储量计算方法.断块油气田,2006.13.4：38-40
[12]王怒涛,黄炳光等.水驱气藏动态储量及水侵量计算新方法.西南石油学院学报,2000.22.4：26-32
[13]张伦友,彭宽军.石油天然气储量价值评估方法研究.天然气勘探与开发,2005.28.3：69-72
[14]刘世常,李闽等.计算水驱气藏地质储量和水侵量的简便方法.新疆石油地质,2008.29.1：88-90
[15]陈元千.对我国《天然气可采储量计算方法》行业标准的评论与建议.石油科技论坛,2005.10：16-23
[16]陈元千.确定水驱气藏天然水侵程度的方法.低渗透油气田,1999.440.43
[17]陈元千.气田天然水侵的判断方法.石油勘探与开发,1978(3)5：51-57
[18]俞启泰.有限含水层未饱和油藏的水侵计算.石油学报,1988.4：49-56
[19]熊钰等.非均质气藏局部封存水体性质及水侵动态分析方法研究.天然气工业,2004.24(2)：78-81
[20]李允.有水气藏渗流规律及开采技术研究.研究报告,2002-
[21]疏壮志等.碳酸盐岩裂缝性水驱气藏水锁实验研究.天然气工业,2004,24(6)：89-92
[22]武楗棠.碳酸盐岩有水气藏稳产对策研究.2005.5：20-22
[23]黄炳光,刘蜀知.高等油藏工程.石油工业出版社,1997.11
[24]陈元千.现代油藏工程.北京：石油工业出版社.2001
[25]李传亮.气藏水侵量的计算方法研究.新疆石油地质,2003.24(5)：430-431
[26]孙志道等.裂缝性有水气藏开采特征和开发方式优选.石油勘探与开发,2002.29(4)：69-71
[27]徐和笙.四川盆地油气藏特点类型及勘探方法自议.天然气勘探,北京：石油工业出版社,1981
[28]俞启泰等.物质平衡微分方程在油(气)藏水侵计算中的应用.石油学报,1990.11(3)：87
[29]R. W. Chase. Dimensionless IPR Cueves for Predicting Gas Well Performance. SPE 17062
[30]Beggs, H. D. Gas Prouduction Operations. OGCL Publications, Oil & Gas Consultants Intertional
[31]Foss, D. L.& Gaul, R. B.. Plunger-Lift Performance Criteria with Operating Experience-Ventura Avenue Field. API Drilling and Prod. Prac.
[32]T. H. Ahmed and C. Montana. Comparative Study of Eight Equaions of State for PreDicting Hydrocarbon Volumetric Phase Behavior. SPE 15673
[33]A. Firoozabadi, R. Nutakki, T. Wang, and K. Aziz. EOS Predictions of Compressibility and Phase Behavior in Systems Containing Water, Hydrocarbons, and CO2. SPE 15674
[34]Schilthuis. R.J. Active Oil and Reservoir Energy. Trans.AIME,1936,118:33-52
[35]Hurst. W. Water Influx Into a Reservoir and Its Application to the Equation of Volumetric Balance. AIME,1943,151:57
[36]Van Everdingen, A. F.,Hurst, W., The Application of the Laplace Transformation to Flow Problems in Reservoirs,Trans.,AIME,1949,186:305.324
[37]Fetkovich,M.J., A Simplified Approach to Water Influx Calculations—Finite Aquifer System,JPT,July 1971:814.828
[38]Hagoort, J. Fundamentals of Gas Reservoir Engineering, Elsevier,Amsterdam, New York (1988).
[39]Hower, T. L. and Collins, R.E.:Detecting Compartmentalization in Gas Reservoirs Through Production Performance, SPE paper 19790
[40]Lord,M.E.and Collins, R.E.:Detecting Compartmented Gas Reservoirs Through Production Performance, SPE paper 22941
[41]Payne,D.A.:Material Balance Calculations in Tight Gas Reservoirs:The Pitfalls of p/z Plots and a More Accurate Technique, SPERE (November 1996) Ⅱ,260
[42]Jacques Hagoort. and Rob Hoogstra.:Numerical Solution of the Material Balance Equations of Compartmented Gas Reservoirs. SPE paper 38082
[43]Gherson Penuela et al. A New Material Balance Equation for Naturally Fractured Reservoirs Using a Dual System Approach. SPE paper 68831
[44]S.W.Wang et al. Analysis of Overpressured Reservoirs with A New Material Balance Method. SPE paper 56690
[45]J.L.Pletcher.:Improvements to Reservoir Material Balance Methods. SPE paper 75354
[46]Faruk Civan and Maurice L. Rasmussen:Modeling and Validation of Sindered Matrix Fracture Transfer For Naturally Fractured Petroleum Reservoirs. SPE paper 80918