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陈思雅,苏高申. 长庆油田采出污泥凝胶型调剖体系的研发及应用[J]. 科学技术与工程, 2019, 19(33): 170-178.
CHEN Si-ya.Development and Pitol Test of gel oily sludge profile control system in Changqing Oilfield[J].Science Technology and Engineering,2019,19(33):170-178.
长庆油田采出污泥凝胶型调剖体系的研发及应用
Development and Pitol Test of gel oily sludge profile control system in Changqing Oilfield
投稿时间:2019-04-02  修订日期:2019-08-24
DOI:
中文关键词:  
英文关键词:oily sludge  disperser  suspension agent  gel system  profile-control results
基金项目:
     
作者单位
陈思雅 长江大学 化学与环境工程学院
苏高申 长江大学 化学与环境工程学院
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中文摘要:
      分析了取自长庆油田采油八厂清罐污泥以及联合处理站含油污泥,分析了固相颗粒的粒径,发现30%以上的颗粒粒径超过209.3μm,还含有大量的铁元素和稠环芳烃。经高速分散机分散后, 98%以上的颗粒粒径在100μm以下。随后分析了不同类型分散剂和悬浮剂对含油污泥的影响,优选出配方为:40%含油污泥+0.4% SAS-60 + 0.4% F-68 + 0.2%FPAM,在此基础上加入0.6%锆交联剂制成凝胶型含油污泥调剖体系。FPAM两亲性疏水缔合聚合物的特性使得该体系可以悬浮40%的含油污泥。选择铁56-102井为调剖试验井,在71天内注入3个段塞共2305m3调剖剂,共利用纯含油污泥400m3,注入期间注入压力迅速升高约2.7Mpa后稳定在10.8MPa。对应油井铁56-101和铁56-103含水分别下降11.5%和9.8%,日增油0.6m3/d和0.5m3/d。
英文摘要:
      The oily sludge from the 8th plant of Changqing Oilfield in the cleaning tank and the combined treatment station have been analyzed, including the particle size of the solid phase particles, which showen that more than 30% of the particles have a particle size of more than 209.3μm and also contain a large amount of iron element and polycyclic aromatic hydrocarbon . After dispersion, the size of solid particles which was more than 98% was reduced to be less than 100μm. The influences of different types dispersant and suspension of oily sludge were analyzed and determining the most suitable formula was:40% oily sludge+0.4% SAS-60 + 0.4% F-68 + 0.2% FPAM, then mixing the gelatinizing agent. Based on all of these, a novel gel oily sludge profile control system was prepared. The water injection well chosen for the profile modification pilot was Tie 56-102 at reservoir layer. Totally 2305m3 profile control agent was injected in 3 slugs in 71 days and 400m3 of pure oily sludge was consumed. During profile control agent injection the injecting pressure was fast raised by about 2.7MPa and kept at a level 10.8MPa. The water content of corresponding well Tie 56-101 and Tie 56-103 was drop by 11.5% and 9.8% and 0.6m3/d and 0.5m3/d oil was produced additionally.
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