[1]郭 平 刘安琪 朱国金 杨宝泉 王 娟.多层合采凝析气藏小层产量分配规律[J].石油钻采工艺,2011,33(2):120-123.
 GUO Ping,LIU Anqi,ZHU Guojin,et al.Study on production distribution laws of single layers in commingling condensate pool[J].Oil Drilling & Production Technology,2011,33(2):120-123.
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多层合采凝析气藏小层产量分配规律
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《石油钻采工艺》[ISSN:1000-7393/CN:13-1072/TE]

卷:
33卷
期数:
2011年2期
页码:
120-123
栏目:
油气开采
出版日期:
2011-03-20

文章信息/Info

Title:
Study on production distribution laws of single layers in commingling condensate pool
文章编号:
1000 – 7393( 2011 ) 02 – 0120 – 04
作者:
郭 平1 刘安琪1 朱国金2 杨宝泉2 王 娟1
(1.西南石油大学油气藏地质及开发工程国家重点实验室,四川成都 610500;2.中海油研究总院开发研究院,北京 100027)
Author(s):
GUO Ping1 LIU Anqi1 ZHU Guojin2 YANG Baoquan2 WANG Juan1
(1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroluem University, Chengdu 610500, China;
2. Development Research Dept. CNOOC Research Institue, Beijing 100027, China)
关键词:
凝析气藏多层合采小层产量分配规律物理模拟数值模拟
Keywords:
condensate gas reservoir commingling production single layers production distribution law laboratory physical simulation numerical simulation
分类号:
TE372
文献标志码:
A
摘要:
由于凝析气井在生产过程中反凝析出的凝析油的影响,目前对气井多层合采提高多层气藏和气井开发效率的研究主要针对干气藏多层合采。建立了地层无水体条件下按层储量比例多层合采凝析气藏的室内物理模拟实验方法,研究了定产衰竭条件下的小层产量分配规律;采用数值模拟方法研究了多层合采时小层的产出分配规律。从试井、室内物理模拟实验以及数值模拟3个不同的角度出发研究了多层合采的产出分配规律。结果表明,封闭边界的常规气井或气藏在多层合采的生产初期,产量按各小层的地层系数进行分配;当压力波到达边界之后,经过一段生产过渡期,逐渐过渡为按地层储量比进行分配。研究结果对中高渗气藏中后期合层生产的产量劈分研究提供了新的理论依据。
Abstract:
At present, because of the condensate oil effect on production of condensate gas well during the development, commingling production is used to improve the development efficiency of commingling reservoirs or wells with multilayer mainly, especially to the dry gas pool. The laboratory physical simulation method for condensate gas reservoir commingled production in proportion of layer reserves under formation without water condition is established, and production distribution law of layers under fixing output quotas depletion is analyzed. Then, the distribution law has also been studied by numerical simulation and theoretical well testing. The study results of 3 ways-theoretical well testing, indoor physical simulation and numerical simulation- show that the production of conventional gas wells or gas reservoirs with sealed boundaries should be distributed according to the formation coefficient at the first stage of commingling production; when pressure waves has reached the boundaries, after a period of production transition, it gradually changes to be distributed according to the formation reserve proportion. The study results provide a new theoretical basis for the production distribution of gas reservoirs with medium-high permeability at the middle and later development period.

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更新日期/Last Update: 2011-05-18