涪陵页岩气田油基岩屑安全处置与利用实践
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摘要
结合涪陵页岩气田油基岩屑理化性质,调研分析了目前各气田油基岩屑处置利用方案,开展了涪陵页岩气田油基岩屑安全处置及利用的研究与实践,分析了涪陵页岩气田热馏炉和回转窑热脱附设备运行工艺。实践表明:热馏炉设备处理能力可达40～50m~3/d,但炉内易结焦,设备检修率为每月5～8d;回转窑设备单炉处理能力为10m~3/d,能耗高,对原料的适应性广;回收的矿物油用于配制油基钻井液,脱油后灰渣的含油率均低于2%,送至水泥窑协同处置。涪陵页岩气田通过热馏炉和回转窑的协同作业,有利于油基岩屑的安全处置与资源化利用。
Oil-based cuttings treatment and utilization scheme were investigated and analyzed based on the physical and chemical properties of the oil-based cuttings in the Fuling Shale Gas Field.Safe disposal and utilization research and practice of oil-based drill cuttings were carried out,and hot distillation furnace and rotary kiln thermal desorption equipment operation process were analyzed.Results showed that:when the processing capacity of the hot distillation furnace reached 40-50 m~3/d,equipment inspection frequency was 5 to 8 days/month due to coking in the furnace.The treatment capacity of a single rotary kiln was 10 m~3/d,with greater versatility to raw materials but high energy consumption.The recovered mineral oil could be used to configure oil-based drilling fluid.The oil content in the ash after treatment could be less than 2%,and the ash slag was sent to cement kiln for later co-processing.As a result,a safe disposal and re-utilization of resource could be achieved through the cooperative operation of hot distillation furnace and rotary kiln in Fuling Gas Field.
Oil-based cuttings treatment and utilization scheme were investigated and analyzed based on the physical and chemical properties of the oil-based cuttings in the Fuling Shale Gas Field.Safe disposal and utilization research and practice of oil-based drill cuttings were carried out,and hot distillation furnace and rotary kiln thermal desorption equipment operation process were analyzed.Results showed that:when the processing capacity of the hot distillation furnace reached 40-50 m~3/d,equipment inspection frequency was 5 to 8 days/month due to coking in the furnace.The treatment capacity of a single rotary kiln was 10 m~3/d,with greater versatility to raw materials but high energy consumption.The recovered mineral oil could be used to configure oil-based drilling fluid.The oil content in the ash after treatment could be less than 2%,and the ash slag was sent to cement kiln for later co-processing.As a result,a safe disposal and re-utilization of resource could be achieved through the cooperative operation of hot distillation furnace and rotary kiln in Fuling Gas Field.
引文
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[4]何敏,张思兰,王丹,等.油基钻屑热解处理技术[J].环境科学导刊,2017,36(增刊):57-60.
[5]周素林,刘萧枫.页岩气油基钻屑热馏处理技术研究和应用[J].油气田环境保护,2017,27(5):33-37.
[6]黄维巍,周泽军,何勇,等.页岩气开发油基钻屑真空热解资源化处理[J].环境工程学报,2017,11(8):4783-4788.
[7]侯影飞,齐升东,游海鹏,等.微波处理油基钻屑脱油效果及特性研究[J].石油学报(石油加工),2017,33(6):1113-1119.
[8]朱冬昌,付永强,马杰,等.长宁、威远页岩气开发国家示范区油基岩屑处理实践分析[J].石油与天然气化工,2016,45(2):62-66.
[9]陈则良,陈忠,陈乔,等.典型页岩气油基钻屑的组成分析及危害评价[J].环境工程,2017,35(8):125-129.
[10]钱炜,杨海蓉,刘宏立,等.油基岩屑无害化处理技术研究[J].环境科学与管理,2018,43(2):121-125.
[11]孙静文,刘光全,张明栋,等.油基钻屑电磁加热脱附可行性及参数优化[J].天然气工业,2017,37(2):103-111.
[12]郭文辉,孟祥海,肖超,等.热脱附技术处理油基钻屑实验研究[J].油气田环境保护,2018,28(4):38-41.
[13]何敏,张思兰,张春,等.钻井与热脱附过程对油基泥浆中矿物油组分变化的影响[J].环境工程技术学报,2018,8(3):290-296.
[14]肖超,方基垒,岳勇,等.非常规油气开发含油钻屑危险特性分析[J].油气田环境保护,2018,28(4):11-13.
[15]李国兵,单锋,贡铁军.含油污泥水泥窑协同处置的技术与实践[J].水泥工程,2018(3):27-30.
[16]邓皓,王蓉沙,唐跃辉,等.水泥窑协同处置含油污泥[J].环境工程学报,2014,8(11):4949-4954.