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The starting pressure gradient, reservoir pressure sensitivity, and the conductivity attenuation of the artificial fractures are all taken into account in the well productivity analysis. A calculation instance was performed and the comprehensive analysis of the predicted result was provided to study the effect of different factors on the well productivity. The result shows that with the decrease of bottom-hole pressure, pseudo-startup pressure gradient, the deformation coefficient, and the increase of oil production in the early stage, the production declines rapidly. At the same time, with the increase of the artificial fracture conductivity attenuation coefficient, the oil production in the early stage also increases and then declines rapidly as well. At last, the productivity analysis method was applied to the field applications. 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科技导报
|研究论文
2011
, 29
(19) :
58
-61
低渗透油藏压裂井产能分析
全屏
张晓亮1 , 李娣2 , 孙君书3 , 于荣泽4 , 宫汝祥5 , 梁涛2
作者信息
1. 中海油研究总院,北京 100027;2. 中国石油大学(华东)石油工程学院,山东青岛 266555;3. 中化石油勘探开发公司,北京 100031;4. 中国石油勘探开发研究院廊坊分院,河北廊坊 065007;5. 中海油田服务股份有限公司油田生产事业部,天津 300450
Fractured Well Productivity of Low Permeability Reservoir
ZHANG Xiaoliang1 , LI Di2 , SUN Junshu3 , YU Rongze4 , GONG Ruxiang5 , LIANG Tao2
Affiliations
1. China National Offshore Oil Corporation Research Institute, Beijing 100027, China;2. Petroleum Engineering College, China University of Petroleum, Qingdao 266555, Shandong Province, China;3. Sinochem Petroleum Exploration & Production, Beijing 100031, China;4. PetroChina Research Institute of Petroleum Exploration & Development-Langfang, Langfang 065007, Hebei Province, China;5. Production Optimization, China Oilfield Services Limited, Tianjin 300450, China
出版时间: 2011-07-08
doi: 10.3981/j.issn.1000-7857.2011.19.008
文章导航
为了研究启动压力梯度、压力敏感性、人工裂缝导流能力衰减对低渗透油藏压裂井产能的影响,以油藏工程数值计算方法为基础,提出了一种弹性产能变化规律分析方法。以矿场实际数据进行算例分析,并将不同产能影响因素下的预测结果进行对比分析。结果表明：井底流压越低、拟启动压力梯度越小、介质变形系数越小、裂缝导流能力衰减系数越大,初始产量越高,产量递减越快。最后,应用该产能分析方法对实际油井进行产能预测,预测结果与实际生产数据吻合较好,验证了该产能分析方法的正确性。
低渗透油藏
/
拟启动压力梯度
/
裂缝导流能力
/
产量递减
A new productivity analysis method for the fractured well in low-permeability reservoir is derived on the basis of reservoir engineering and numerical calculation. The starting pressure gradient, reservoir pressure sensitivity, and the conductivity attenuation of the artificial fractures are all taken into account in the well productivity analysis. A calculation instance was performed and the comprehensive analysis of the predicted result was provided to study the effect of different factors on the well productivity. The result shows that with the decrease of bottom-hole pressure, pseudo-startup pressure gradient, the deformation coefficient, and the increase of oil production in the early stage, the production declines rapidly. At the same time, with the increase of the artificial fracture conductivity attenuation coefficient, the oil production in the early stage also increases and then declines rapidly as well. At last, the productivity analysis method was applied to the field applications. There is a quite good agreement between the predicted result and the actual production data, the fact has verified the correctness of production analysis method.
low permeability reservoirs
/
pseudo-startup pressure gradient
/
fracture conductivity
/
production decline
张晓亮;李娣;孙君书;于荣泽;宫汝祥;梁涛.
低渗透油藏压裂井产能分析.
科技导报,
2011
, 29
(19)
: 58
-61
.
DOI: 10.3981/j.issn.1000-7857.2011.19.008
ZHANG Xiaoliang;LI Di;SUN Junshu;YU Rongze;GONG Ruxiang;LIANG Tao.
Fractured Well Productivity of Low Permeability Reservoir[J].
Science & Technology Review ,
2011
, 29
(19)
: 58
-61
.
DOI: 10.3981/j.issn.1000-7857.2011.19.008
2011年第29卷第19期
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文章信息
doi: 10.3981/j.issn.1000-7857.2011.19.008
接收时间：2011-03-31
首发时间：2011-07-08
出版时间：2011-07-08
收稿日期：2011-03-31
修回日期：2011-05-30
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2011.19.008
引用本文
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2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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