Second EAGE Workshop on Pore Pressure Prediction最新文献_第3页

Evidence of Extreme Overpressure Generated by Source Rock Maturation: Case Study, Deep-Offshore GOM, USA 烃源岩成熟产生的极端超压证据:以美国墨西哥湾深水区为例

Second EAGE Workshop on Pore Pressure Prediction Pub Date : 2019-05-19 DOI: 10.3997/2214-4609.201900511

F. Poeymarie, T. Rives

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Integrating Geomechanics and Geochemistry to Quickly Estimate Pore Pressure near Salt Diapirs 结合地质力学和地球化学快速估算盐底辟附近孔隙压力

Second EAGE Workshop on Pore Pressure Prediction Pub Date : 2019-05-19 DOI: 10.3997/2214-4609.201900510

F. Ferrari, A. Consonni, E. P. Massara, P. Tempone

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PP Follow-up While Drilling: Seeking a Pressure Transition Zone in a Back Arc Basin 随钻PP跟踪:在弧后盆地寻找压力过渡带

Second EAGE Workshop on Pore Pressure Prediction Pub Date : 2019-05-19 DOI: 10.3997/2214-4609.201900509

A. Isiakpere, M. Dougherty, B. Benazet

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Uncertainty Modelling of Minimum Horizontal Stresses and Porepressures in Deeply Buried Grabens. What’s Next in Modelling? 深埋地堑最小水平应力和压力的不确定性建模。建模的下一步是什么?

Second EAGE Workshop on Pore Pressure Prediction Pub Date : 2019-05-19 DOI: 10.3997/2214-4609.201900523

A. Lothe, A. Grøver, O. Roli, G. Leirdal, T. Kristiansen

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FES Pressure Prediction Workflow Coupling Velocities with Geomechanical Modeling 耦合速度与地质力学建模的FES压力预测工作流

Second EAGE Workshop on Pore Pressure Prediction Pub Date : 2019-05-19 DOI: 10.3997/2214-4609.201900518

M. Nikolinakou, M. Heidari, P. Flemings, A. Bere, J. Kato

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2D vs 3D Geomechanical Modelling Comparison to Influence Pore Pressure and Fracture Gradient Analysis 2D与3D地质力学模型对比对孔隙压力和裂缝梯度分析的影响

Second EAGE Workshop on Pore Pressure Prediction Pub Date : 2019-05-19 DOI: 10.3997/2214-4609.201900521

J. J. V. D. L. D. Rodríguez, T. Harrold, M. Nikolinakou, O. F. Bellón, P. Jiménez, A. M. Pascual

{"title":"2D vs 3D Geomechanical Modelling Comparison to Influence Pore Pressure and Fracture Gradient Analysis","authors":"J. J. V. D. L. D. Rodríguez, T. Harrold, M. Nikolinakou, O. F. Bellón, P. Jiménez, A. M. Pascual","doi":"10.3997/2214-4609.201900521","DOIUrl":"https://doi.org/10.3997/2214-4609.201900521","url":null,"abstract":"Geomechanical modeling can be an important tool in constraining pore pressure and fracture gradients in exploration wells, especially in areas of salt tectonics. Full 3D modeling can be time consuming and impractical for planning so knowing that 2D modeling can achieve similar results can be significant. We predict the stress and strain description around a salt structure from the West African Coast using a 3D static geomechanical model and compare the results to a 2D model. The 3D model uses the present-day basin geometry and a series of inputs (pore pressure, material properties assuming poro-elastic behavior for sediments and visco-plastic behavior for salt, boundary constraints and initial vertical to horizontal effective stress ratios). The 2D model uses geometry from the 3D model and the same input parameters. Both models predict similar sediment and salt displacements and stress ratio reduction above the salt structure although the displacements and stress ratio reduction are larger in the 2D model. The results of our analysis indicate that 2D geomechanical models, if selected correctly, can represent more complex 3D geometries. In addition, less computationally expensive 2D model allow a more complete sensitivity analysis and the identification of the mechanism of stress / pore pressure reduction.","PeriodicalId":295902,"journal":{"name":"Second EAGE Workshop on Pore Pressure Prediction","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126310384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Quantification of Uncertainties in Pore Pressure Prediction: Is there any one Best Practice? 孔隙压力预测中不确定性的量化:是否存在最佳实践?

Second EAGE Workshop on Pore Pressure Prediction Pub Date : 2019-05-19 DOI: 10.3997/2214-4609.201900501

S. Bordoloi

引用次数: 0

The Application of Double Normal Compaction Trend to Improve Overpressure Estimation in the East Java Basin 双正压实趋势在东爪哇盆地超压估算中的应用

Second EAGE Workshop on Pore Pressure Prediction Pub Date : 2019-05-19 DOI: 10.3997/2214-4609.201900496

A. Ramdhan, T. Atarita, G. Titaley, A. Ardjuna, L. Hutasoit

{"title":"The Application of Double Normal Compaction Trend to Improve Overpressure Estimation in the East Java Basin","authors":"A. Ramdhan, T. Atarita, G. Titaley, A. Ardjuna, L. Hutasoit","doi":"10.3997/2214-4609.201900496","DOIUrl":"https://doi.org/10.3997/2214-4609.201900496","url":null,"abstract":"The East Java Basin is an overpressured basin in Indonesia. The LUSI mudvolcano is one of the evidences of overpressure occurrence in the basin. Hydrocarbon drillings in the basin have been experiencing some operational problems due to the presence of overpressure such as drilling-pipe stuck, hole cavings, and kicks, leading to non-productive drilling time. In this paper, we offer additional analytical analyses to estimate overpressure magnitude in the basin, on the basis of understanding of overpressure generating mechanism and mudrock compaction stages. The analysis shows that overpressure in the study area, at least down to the depth ~ 3 km is caused by disequilibrium compaction, and the mudrocks has experienced transformation from smectite (S) to illite (I) at the depth ~1.6 km. The conventional method of overpressure estimation commonly used in this basin is to use single normal compaction trend (NCT) to estimate overpressure for the entire section. This method seriously underestimates overpressure magnitude at depth. By constraining S-I transformation, we propose double NCT (smectitic NCT and illitic NCT) to estimate overpressure magnitude in the basin. We have proved that this technique can estimate overpressure reasonably accurate.","PeriodicalId":295902,"journal":{"name":"Second EAGE Workshop on Pore Pressure Prediction","volume":"215 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133991669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impact of Geological Model Uncertainties on Pore Pressure Prediction: A GOM Case Study 地质模型不确定性对孔隙压力预测的影响:以墨西哥湾为例

Second EAGE Workshop on Pore Pressure Prediction Pub Date : 2019-05-19 DOI: 10.3997/2214-4609.201900499

A. Isiakpere, M. Skaug, L. Sirgue, B. Benazet, A. Chiappero

引用次数: 0

Pore Pressure Uncertainty, Practices and Pragmatism for Well Planning 孔隙压力的不确定性、井眼规划的实践和实用主义

Second EAGE Workshop on Pore Pressure Prediction Pub Date : 2019-05-19 DOI: 10.3997/2214-4609.201900491

P. Rouille, T. Harrold, S. Martinez, G. Saceda, J. M. Jiménez

{"title":"Pore Pressure Uncertainty, Practices and Pragmatism for Well Planning","authors":"P. Rouille, T. Harrold, S. Martinez, G. Saceda, J. M. Jiménez","doi":"10.3997/2214-4609.201900491","DOIUrl":"https://doi.org/10.3997/2214-4609.201900491","url":null,"abstract":"During the last decade, markets have imposed significant operational cost savings to the oil industry. With a given annual upstream budget and commonly overestimated exploratory well AFEs, some projects can be compromised or postponed. Defining with more accuracy the exploration wells AFE can allow to drill an extra well on the same annual budget. Pore Pressure and Geomechanical studies directly drive the well design (including contingencies), the drilling strategy, the rig selection or the equipment necessary to achieve the given objectives safely. The cost of the well is directly impacted, therefore, by these inputs. Optimising and lowering the PPFG uncertainties are key factors to reduce the allocated budget and final cost of a well. Reducing the uncertainty too much, however, can result in a well design not sufficient to handle the conditions with disastrous consequences. To solve this complex equation, the engineer needs to understand how all the sources of uncertainty are propagated. From the well Kick Off meeting to the final PPFG delivery to drilling team, every single step includes uncertainties: geological / prospect definition, offset well analysis and lessons learnt, seismic velocity, overpressure mechanisms and scenarios, fluid type, depth uncertainties, lithology effects amongst others.","PeriodicalId":295902,"journal":{"name":"Second EAGE Workshop on Pore Pressure Prediction","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123427165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0