| 准噶尔盆地中部3区油层保护技术研究 |
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| 引用本文： | 王俊涛.准噶尔盆地中部3区油层保护技术研究[J].石油化工应用,2012,31(12):15-17,24. |
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| 作者姓名： | 王俊涛 |
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| 作者单位： | 胜利石油管理局钻井工艺研究院,山东东营,257000 |
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| 基金项目： | 国家重大专项“大型油气田及煤层气开发”子课题“低渗油气田储层保护技术”;项目 |
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| 摘 要： | 准葛尔西部新区区域分布广,存在着不同压力、不同孔渗的多种储层,中部三区油层伤害最严重的为低渗储层。低渗储层孔隙结构最主要的特点就是孔隙小、喉道细,油层伤害与中、高渗储层有诸多不同,主要的伤害机理特点包括固相污染降到次要地位,贾敏效应显著增强,卡断现象比较严重,储层敏感性更加突出,流-固耦合作用影响更加明显。该文通过对储层岩性特点、储层物性特征以及储层敏感性进行综合评价,确定了储层存在的伤害因素,从而制定了减少油层伤害的技术对策。通过比较目前现场使用的钻井液体系,筛选出了适合该区块的钻井液体系,并对配方进行了优化。通过实验表明,钻井液配方对该区块油层伤害较小,能够满足该区块钻井油层保护需要。
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| 关 键 词： | 储层伤害 油层保护 超低渗油藏 |
The rsearch for formation damage insititute on the No.3 area Zhungaer basin middle part |
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| WANG Juntao.The rsearch for formation damage insititute on the No.3 area Zhungaer basin middle part[J].Petrochemical Industry Application,2012,31(12):15-17,24. |
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| Authors: | WANG Juntao |
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| Affiliation: | WANG Juntao (Drilling Technology Research Institutue of Shengli Oilfield, Dongying Shandong 257000,China) |
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| Abstract: | The new areas of the No.3 Zhungaer Basin Middle Part spread around,different pressure and permeability,and the formation damage is very grievous.The features of the low permeability reservoir are with little or no space in between, the formation damages are different from the middle-high permeability reservoir. Solid contamination is not the most important damage element,but liquid phase strengthens.At the same time, the sticking of tool is frequently running into. |
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| Keywords: | formation damage reservoir protection low permeability reservoir |
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