Calculating models for heating radius of cyclic steam stimulation and formation parameters in horizontal well after soaking

doi:10.7623/syxb200801022

Editorial office of ACTA PETROLEI SINICA ›› 2008, Vol. 29 ›› Issue (1): 101-105.DOI: 10.7623/syxb200801022

• Oil Field Development • Previous Articles Next Articles

Calculating models for heating radius of cyclic steam stimulation and formation parameters in horizontal well after soaking

LIU Chunze^1,2, CHENG Linsong², LIU Yang³, PANG Zhanxi²

1. Petrochina Exploration and Development Research Institute, Beijing 100083, China;
2. College of Petroleum Engineering, China University of Petroleum, Beijing 102249, China;
3. China National Oil and Gas Exploration and Development Corporation, Beijing 100034, China

Received:2007-01-20 Revised:2007-03-19 Online:2008-01-25 Published:2010-05-21

水平井蒸汽吞吐加热半径和地层参数计算模型

刘春泽^1,2, 程林松², 刘洋³, 庞占喜²

1. 中国石油勘探开发研究院, 北京, 100083;
2. 中国石油大学石油天然气工程学院, 北京, 102249;
3. 中国石油天然气勘探开发公司, 北京, 100034

作者简介:刘春泽,女,1978年4月生,2007年获中国石油大学(北京)博士学位,现为中国石油勘探开发院热采所工程师,主要从事油气田开发研究工作.E-mail:liuchunze@126.com
基金资助:
国家自然科学基金项目(No.50276040)“稠油热力泡沫复合驱的耦合作用和耦合模型”资助

Abstract

Abstract: The calculations of heating radius and the pressure and temperature of formation in horizontal well during cycilc steam stimulation after soaking are the bases for the evaluation of productivity and forecast of dynamic performance of horizontal well.The distribution of steam pressure,temperature and quality along the horizontal sections of wellbore are uneven,because of friction loss of steam.The new calculation models for heating radius and distribution of pressure and temperature in horizontal well after soaking were established on the basis of the variable-mass flow theory and the principle of heat conduction by the use of mass conservation theorem,momentum theorem and energy conservation theorem.The calculation result of the new model is in good agreement with that of the numerical simulation for the same parameters from the same reservoir.

Key words: horizontal well, cyclic steam stimulation, heating radius, formation temperature, formation pressure, calculation model

摘要： 蒸汽吞吐水平井加热半径和焖井后地层温度和压力的计算是水平井产能评价和动态预测的基础。由于蒸汽沿着水平段流动有摩擦损失,因而蒸汽的压力、温度和干度沿着水平段的分布是不均匀的。根据水平井变质量流和传热学原理,基于质量守恒、动量定理和能量守恒及镜像反映和势叠加原理,建立了水平井蒸汽吞吐加热半径和焖井后温度压力计算模型。以某油藏参数为基础,对该模型计算结果与数值模拟结果进行的比较发现,二者基本吻合,从而验证了模型的正确性。

关键词: 水平井, 蒸汽吞吐, 加热半径, 地层温度, 地层压力, 计算模型

CLC Number:

TE319

LIU Chunze, CHENG Linsong, LIU Yang, PANG Zhanxi. Calculating models for heating radius of cyclic steam stimulation and formation parameters in horizontal well after soaking[J]. Editorial office of ACTA PETROLEI SINICA, 2008, 29(1): 101-105.

刘春泽, 程林松, 刘洋, 庞占喜. 水平井蒸汽吞吐加热半径和地层参数计算模型[J]. 石油学报, 2008, 29(1): 101-105.

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Calculating models for heating radius of cyclic steam stimulation and formation parameters in horizontal well after soaking

水平井蒸汽吞吐加热半径和地层参数计算模型

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