酸压增注及工艺配套技术研究
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摘要
大规模酸压是储层提产的有力保障,目前由于受到地面配套工艺的制约,以往仅能实施600m3以下的酸压施工,难以有效改善储层物性,适合大规模酸压的地面配套工艺成为制约储层提产的关键因素之一。针对以上问题,从浅层地表水处理、配置高低压管汇和压裂车组、设计二级供液方案、研发地面投球装置等方面开展了技术攻关,形成一整套完整的大规模酸压地面配套工艺技术及流程。为改善储层物性,提高开发效果提供经验借鉴。
Large-scale acid fracturing is a powerful guarantee for reservoir production. At present, due to the restriction of surface matching technology, only acid fracturing under 600 m3 can be carried out in the past. It is difficult to effectively improve reservoir physical properties. Surface matching technology suitable for large-scale acid fracturing has become one of the key factors restricting reservoir production. In view of the above problems, a set of complete large-scale acid fracturing surface matching technology and process were developed through technical research from the aspects of shallow surface water treatment, configuration of high and low pressure manifold and fracturing unit, design of secondary liquid supply scheme, research and development of ground throwing device. The paper can provide some experience for improving reservoir physical property and improving development effect.
Large-scale acid fracturing is a powerful guarantee for reservoir production. At present, due to the restriction of surface matching technology, only acid fracturing under 600 m3 can be carried out in the past. It is difficult to effectively improve reservoir physical properties. Surface matching technology suitable for large-scale acid fracturing has become one of the key factors restricting reservoir production. In view of the above problems, a set of complete large-scale acid fracturing surface matching technology and process were developed through technical research from the aspects of shallow surface water treatment, configuration of high and low pressure manifold and fracturing unit, design of secondary liquid supply scheme, research and development of ground throwing device. The paper can provide some experience for improving reservoir physical property and improving development effect.
引文
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[4]高建文,何圣兵,陈雪初,等.含氮微污染地表水处理技术回顾[J].净水技术,2011,30(6):5-10.
[5]刘福刚.酸化压裂技术在油气田开发中的应用研究[J].中国石油和化工标准与质量,2012,32(3):20.
[6]赵永平,曹元平,李龙.酸化压裂技术在油气田开发中的应用研究[J].中国石油和化工标准与质量,2012,33(16):20.
[7]裘井岗.移动式地表水处理试注一体化系统研制与应用[J].中国石油和化工标准与质量,2014,34(11):255+116.
[8]王增宝,付敏杰,宋奇,等.高温深部碳酸盐岩储层酸化压裂用交联酸体系制备及性能[J].油田化学,2016,33(4):601-606.
[9]王永辉,李永平,程兴生,等.高温深层碳酸盐岩储层酸化压裂改造技术[J].石油学报,2012,33(S2):166-173.
[10]吴小川,赵丽莎,王婉青,等.碳酸盐岩储层酸化压裂技术的应用及展望[J].安徽化工,2013,39(2):16-17+21.
[11]张永青.酸化压裂技术在油气田开发中的应用探析[J].中国石油和化工标准与质量,2014,34(4):200.
[12]唐世春.酸化压裂液对原油破乳脱水影响研究[J].天然气勘探与开发,2015,38(2):78-81+10-11.
[13]赵乾富,桂林海,顾宏伟,等.哈拉哈塘地区碳酸盐岩孔洞型储集层评价与开发[J].录井工程,2015,26(2):66-70+93.
[14]李婵,丁观世,曹耐.一种新型酸化清洁压裂液的研究与应用[J].钻采工艺,2016,39(3):103-105+132.