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科技导报
|研究论文
2015
, 33
(13) :
52
-55
致密气藏水平井整体压裂井网部署优化
全屏
卞晓冰1,2 , 张景臣3 , 李双明1 , 郭天魁4 , 张士诚2
作者信息
1. 中国石油化工股份有限公司石油工程技术研究院, 北京100101;
作者简介:
卞晓冰,工程师,研究方向为水力压裂优化设计及数值模拟,电子信箱:xiaobingbian@126.com
Optimization of integral fracturing design for horizontal well pattern arrangement in tight gas reservoir
BIAN Xiaobing1,2 , ZHANG Jingchen3 , LI Shuangming1 , GUO Tiankui4 , ZHANG Shicheng2
Affiliations
1. Sinopec Research Institute of Petroleum Engineering, Beijing 100101, China;
出版时间: 2015-07-13
doi: 10.3981/j.issn.1000-7857.2015.13.008
文章导航
致密气藏多采用衰竭式开发模式,如何减少井间干扰是井网部署时必须考虑的问题.针对目标研究区域,基于各压裂水平井的等效压力波及椭圆,建立了致密气藏水平井整体压裂井网部署优化模型.从弹性势能的角度,模拟目标区域和波及椭圆之间的运动,将井网部署模型转化为求取弹性势能函数的最小值问题,采用具有较高求解效率的拟物算法实现了该模型的求解.以M 区块为例进行水平井整体压裂方案设计,模拟结果显示:气价较低时,M 区块可采取稀井高产的开发模式;随着气价的增加,M 区块需要打更多井以获得最佳的经济效益.
致密气藏
/
水平井
/
整体压裂
/
井网部署
/
拟物算法
Depletion development is the main method to exploit tight gas reservoir, and well interference is the unavoidable factor in well network deployment. According to the target area, a new integral fracturing well pattern arrangement model for horizontal wells in tight gas reservoir was set up based on the non-overlapping pressure sweep ellipse areas of all fractured horizontal wells. Firstly, by solving the major semi-axis and minor semi-axis of the equivalent ellipses by commercial reservoir simulator, the move among the target area and equivalent ellipses was simulated from the view of elastic potential energy, and the well pattern arrangement model could be resolved as acquiring the minimum potential-energy function, which was solved by quasi-physical algorithm owing to the high solving efficiency. The method was applied in M block, which is a rectangle tight gas reservoir with an average porosity of 7.2% and an average permeability of 0.43×10-3 μm2 . Economic evaluation demonstrated that less fractured horizontal wells could achieve more net benefit when the gas price is low, while more fractured horizontal wells should be developed when the gas price is high.
tight gas reservoir
/
horizontal well
/
integral fracturing
/
well pattern arrangement
/
quasi-physical algorithm
卞晓冰, 张景臣, 李双明, 郭天魁, 张士诚.
致密气藏水平井整体压裂井网部署优化.
科技导报,
2015
, 33
(13)
: 52
-55
.
DOI: 10.3981/j.issn.1000-7857.2015.13.008
BIAN Xiaobing, ZHANG Jingchen, LI Shuangming, GUO Tiankui, ZHANG Shicheng.
Optimization of integral fracturing design for horizontal well pattern arrangement in tight gas reservoir[J].
Science & Technology Review ,
2015
, 33
(13)
: 52
-55
.
DOI: 10.3981/j.issn.1000-7857.2015.13.008
2015年第33卷第13期
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文章信息
doi: 10.3981/j.issn.1000-7857.2015.13.008
接收时间：2015-03-23
首发时间：2015-07-25
出版时间：2015-07-13
收稿日期：2015-03-23
修回日期：2015-05-22
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2015.13.008
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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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