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| 多级架桥暂堵技术在合川区块的应用 | |
| 引用本文： | 王智洪,欧阳伟,刘菊泉,徐鹏,王洪福.多级架桥暂堵技术在合川区块的应用[J].重庆科技学院学报(自然科学版),2012,14(5):77-79. |
| 作者姓名： | 王智洪 欧阳伟 刘菊泉 徐鹏 王洪福 |
| 作者单位： | 1. 西南石油大学,成都,610500 2. 川庆钻采工程技术研究院,德阳,618300 3. 长城钻探工程技术研究院,盘锦,124000 |
| 基金项目： | 国家科技重大专项(20082XD5049);国家重点基础研究发展规划(973)项目(2010CB226705) |
| 摘 要： | 合川气藏须家河组储层属于低孔-特低渗致密砂岩储层,在钻井完井过程中,极易受到损害.提出通过优先暂堵大贡献孔喉、提高暂堵大贡献孔 喉的粒子群分布频率达到更好的屏蔽暂堵效果.室内实验研究多级架桥屏蔽暂堵钻井完井液配方.多级架桥屏蔽暂堵技术在室内和现场都取得了很好的效果. |
| 关 键 词： | 低孔特低渗 多级架桥 屏蔽暂堵 贡献孔喉 渗透率恢复率 |
Multistage Bridge Temporary Plugging for Formation Protection in Hechuan Gas Reservoir |
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| WANG Zhihong , OUYANG Wei , LIU Juquan , XU Peng , WANG Hongfu.Multistage Bridge Temporary Plugging for Formation Protection in Hechuan Gas Reservoir[J].Journal of Chongqing University of Science and Technology:Natural Science Edition,2012,14(5):77-79. | |
| Authors: | WANG Zhihong OUYANG Wei LIU Juquan XU Peng WANG Hongfu |
| Affiliation: | 1.Southwest Petroleum University,Chengdu 610500;2.Chuanqing Drilling Technology Research Institute, Deyang 618300;3.The Great wall Drilling Technology Research Institute,Panjin 124000) |
| Abstract: | Hechuan gas reservoir of Xujiahe reservoir belongs to low porosity and ultra low permeability of tight sandstone reservoir.During drilling,well completion,it is apt to be damaged.This paper proposes the use of multi-level bridge temporary plugging theory to solve the problem of reservoir protection.The first temporary plugging large contribution pore throat,improve the contribution of temporary plugging large pore throat of the contribution of particle swarm distribution frequency to achieve better shielding temporary plugging effect.Indoor and field experiments shows,the multi-level bridge plugging technology achieved very good results in this block, reservoir protection,reducing reservoir damage is of certain guiding significance. |
| Keywords: | low porosity and low permeability temporary bridging temporary plugging contribution pore throat permeability recovery rate |
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