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| 东胜气田超临界二氧化碳复合干法压裂技术 |
| Compound Dry Fracturing Technology with Supercritical Carbon Dioxide in Dongsheng Gas Field |
| 投稿时间：2017-12-26 修订日期：2017-12-26 |
| DOI： |
| 中文关键词: 上古生界 东胜气田 二氧化碳 干法压裂 超临界 |
| 英文关键词: Upper Palaeozoic lithologic Dongsheng Gas Field carbon dioxide dry fracturing Supercritical |
| 基金项目:国家重大专项“低丰度致密低渗油气藏开发关键技术”(2016ZX05048)。地址：(450000)河南省郑州市中原区淮河西路新蒲恒辉大厦8楼821室。电话：(0371)58556771。E-mail:jglly @126.com。 |
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| 中文摘要: |
| 东胜气田十里加汗目标区外围区块上古生界部分储层砂体沉积规模较小、物性差、非均质性强且致密低渗,压裂改造是这类储层投产或增产的重要手段。为了在储层改造过程中形成大规模复杂缝网,沟通井筒周围及远端富集区,获得较高产能,华北分公司在东胜气田开展了超临界二氧化碳复合干法压裂技术的尝试及先导试验,并取得了成功,证明了该工艺在东胜气田致密低渗储层改造的适应性,为该气田同类储层的压裂改造提供了借鉴和参考。 |
| 英文摘要: |
| Because The sedimentary sand bodies of the Upper Paleozoic reservoirs in the Shiliga Khan Target Area of the Dongsheng gas field are small, poor in physical properties, strong in heterogeneity and low in permeability,Fracturing transformation is important for the production of such reservoirs.In order to form a large-scale complex seam in the process of reservoir reconstruction, to communicate the wellbore and the remote enrichment area, obtain high productivity,North China Branch carried out the supercritical carbon dioxide composite dry fracturing technology test study, The results shown that it was adaptable of the process in the reconstruction of the dense and low permeability reservoir in the Dongsheng gas field,which provided a reference for the fracturing and reconstruction of the similar reservoir in the gas field. |
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