碳酸盐岩油藏三维地质建模新方法
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摘要
沉积相约束下的储层建模方法比较普遍,本文提出了岩石类型控制下的建模方法。采用Winland R35方法划分油藏岩石类型,建立不同岩石类型下孔隙度和渗透率关系模型;获得各口井岩石类型后,通过序贯指示模拟预测井间岩石类型,继而建立三维岩石类型模型;最后基于地震波阻抗属性约束孔隙度,建立孔隙度模型,再利用不同岩石类型下已建立的孔隙度和渗透率关系确定渗透率,建立渗透率模型。
Carbonate reservoir modeling has been a research focus recently.This paper puts forward a 3D geological modeling method based on rock typing for carbonate reservoirs.we use Winland R35 method to identify the rock types of a carbonate reservoir.With the rock types of each well,3-D rock type model is built with sequential indicator simulation.The seismic acoustic impedance is used to constrain the porosity between wells,and the permeability is determined with the relationship between porosity and permeability for a specific rock type.3-D geological model is established with the constraint of rock types.
Carbonate reservoir modeling has been a research focus recently.This paper puts forward a 3D geological modeling method based on rock typing for carbonate reservoirs.we use Winland R35 method to identify the rock types of a carbonate reservoir.With the rock types of each well,3-D rock type model is built with sequential indicator simulation.The seismic acoustic impedance is used to constrain the porosity between wells,and the permeability is determined with the relationship between porosity and permeability for a specific rock type.3-D geological model is established with the constraint of rock types.
引文
[1]J.S.Gomes,M.T.Ribeiro,J.Christian,et al.Carbonate reservoir rock typing-the link between geology and SCAL[C].Paper SPE118284presented at Abu Dhabi International Petroleum Exhibition and Conference,3-6November2008,Abu Dhabi,UAE.
[2]S.M.Salman,S.Bellah.Rock Typing:An Integrated Reservoir Characterization Tool to Construct a Robust Geological Model in Abu Dhabi Carbonate Oil Field[C].Paper SPE 125498presented at SPE/EAGE Reservoir Characterization and Simulation Conference,19-21October2009,Abu Dhabi,UAE.
[3]G.Guo,M.A.Diaz,F.Paz,et al.Rock typing as an effective tool for permeability and water-saturation modeling:a case study in a clastic reservoir in the Oriente Basin[C].SPE97033presented at SPE Annual Technical Conference and Exhibition,9～12October2005,Dallas,Texas.
[4]E.Tillero.Stepping forward:an automated rock type index and a new predictivecapillary pressure function for better estimation of permeability and water saturation.case study,Urdaneta-01 heavy oil reservoir[C].Paper SPE 151602 presented at SPE Latin America and Caribbean Petroleum Engineering Conference,16～18 April 2012,Mexico City,Mexico.
[5]M.Shabaninejad,M.B.Haghighi.Rock typing and generalization of permeabilityporosity relationship for an Iranian carbonate gas reservoir[C].Paper SPE 150819 presented at Nigeria Annual International Conference and Exhibition,30 July-3 August 2011,Abuja,Nigeria.
[6]J.Betancourt.Rock type modeling:an effective method to determine reservoir quality rock to discretize net pay in lower guadalupe formation,Abanico Field,Colombia[C].Paper SPE 152332 SPE Latin America and Caribbean Petroleum Engineering Conference,16-18 April 2012,Mexico City,Mexico.
[7]O.O.Peralta.Rock Types and Flow Units in Static and Dynamic Reservoir Modeling:Application to Mature Fields[C].Paper SPE 122227 presented at Latin American and Caribbean Petroleum Engineering Conference,31 May-3 June 2009,Cartagena de Indias,Colombia.
[8]Fernando P.T.Silva,Ahmed A.Ghani,Abdulla Al Mansoori,et al.Rock type constrained 3D reservoir characterization and modeling[C].Paper SPE 78504 presented at Abu Dhabi International Petroleum Exhibition and Conference,1316 October 2002,Abu Dhabi,United Arab Emirates.
[2]S.M.Salman,S.Bellah.Rock Typing:An Integrated Reservoir Characterization Tool to Construct a Robust Geological Model in Abu Dhabi Carbonate Oil Field[C].Paper SPE 125498presented at SPE/EAGE Reservoir Characterization and Simulation Conference,19-21October2009,Abu Dhabi,UAE.
[3]G.Guo,M.A.Diaz,F.Paz,et al.Rock typing as an effective tool for permeability and water-saturation modeling:a case study in a clastic reservoir in the Oriente Basin[C].SPE97033presented at SPE Annual Technical Conference and Exhibition,9～12October2005,Dallas,Texas.
[4]E.Tillero.Stepping forward:an automated rock type index and a new predictivecapillary pressure function for better estimation of permeability and water saturation.case study,Urdaneta-01 heavy oil reservoir[C].Paper SPE 151602 presented at SPE Latin America and Caribbean Petroleum Engineering Conference,16～18 April 2012,Mexico City,Mexico.
[5]M.Shabaninejad,M.B.Haghighi.Rock typing and generalization of permeabilityporosity relationship for an Iranian carbonate gas reservoir[C].Paper SPE 150819 presented at Nigeria Annual International Conference and Exhibition,30 July-3 August 2011,Abuja,Nigeria.
[6]J.Betancourt.Rock type modeling:an effective method to determine reservoir quality rock to discretize net pay in lower guadalupe formation,Abanico Field,Colombia[C].Paper SPE 152332 SPE Latin America and Caribbean Petroleum Engineering Conference,16-18 April 2012,Mexico City,Mexico.
[7]O.O.Peralta.Rock Types and Flow Units in Static and Dynamic Reservoir Modeling:Application to Mature Fields[C].Paper SPE 122227 presented at Latin American and Caribbean Petroleum Engineering Conference,31 May-3 June 2009,Cartagena de Indias,Colombia.
[8]Fernando P.T.Silva,Ahmed A.Ghani,Abdulla Al Mansoori,et al.Rock type constrained 3D reservoir characterization and modeling[C].Paper SPE 78504 presented at Abu Dhabi International Petroleum Exhibition and Conference,1316 October 2002,Abu Dhabi,United Arab Emirates.
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