| 变形介质特低渗油藏合理井距研究 |
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| 引用本文： | 丁志川,韩振宇.变形介质特低渗油藏合理井距研究[J].内蒙古石油化工,2009(16):145-148. |
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| 作者姓名： | 丁志川 韩振宇 |
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| 作者单位： | [1]中国石油集团渤海钻探工程有限公司第二录井分公司 [2]中国石油华北油田分公司科技信息处 |
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| 摘 要： | 针对目前研究变形特低渗油藏合理井距的局限性,首先建立了油藏压力和产量幂率积分关系的非线性渗流模型,然后根据叠加原理,提出了求解变形介质特低渗油藏合理井距的新方法。该方法在求解过程中利用牛顿迭代原理建立了不同储层渗透率和采油强度下的合理注采井距理论图版。同时,讨论了启动压力梯度以及介质变形对注采井距的影响。研究表明,在储层物性和工作制度一定时,应存在一个合理注采井距范围;油藏开发过程中应尽可能提高采油强度,从而减小启动压力梯度对井距的影响。以上研究成果为有效开发特低渗油藏提供了理论依据。
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| 关 键 词： | 变形介质 特低渗油藏 启动压力 合理井距 |
Research on Reasonable Well Spacing of Deformation Medium in Ultra-low Permeability Reservoirs |
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| DING Zhi-chuan,HAN Zhen-yu.Research on Reasonable Well Spacing of Deformation Medium in Ultra-low Permeability Reservoirs[J].Inner Mongulia Petrochemical Industry,2009(16):145-148. |
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| Authors: | DING Zhi-chuan HAN Zhen-yu |
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| Affiliation: | 1.CNPC Bohai drilling Engineering Co.;Ltd;2.Science Technology & lnformation Management Department of Huabei Oilfield Company;Petorchina |
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| Abstract: | According to limitation of studying well spacing of deformation medium in ultralow permeability reservoirs,non-linear power law flow model involving pressure and productivity is established firstly,and then a new method of studying reasonable well spacing is presented with principle of superposition.In the process of resolution,theoretical charts of reasonable well spacing based on different reservoir permeability and production intensity are established with Newton iteration method,and the affection of sta... |
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| Keywords: | Deformation Medium Ultra-low Permeability Reservoir Starting Pressure Reasonable Well Spacing |
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