新疆南部地区废弃钻井液处理工艺选择研究
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摘要
石油开采过程中会产生大量的废弃钻井液,对环境危害极大。当前,针对废弃钻井液,现有的处理技术存在处理效果差、成本高等弊端。因此,开发和优化废弃钻井液处理技术,提高处理效率和降低处理成本迫在眉睫。南疆地区某企业石油开采过程中产生的水基聚磺类钻井液具有粘度高、COD值高等特点。针对当前企业的废液特点进行处理工艺的选定,使得经过处理的样品COD值由最初的10000+降低至100以下,处理效果显著。
A large amount of waste drilling fluid will be produced during the oil exploitation process,which is extremely harmful to the environment. At present,for the abandoned drilling fluid,the existing processing technology has the disadvantages of poor processing effect and high cost. Therefore,it is extremely urgent to develop and optimize waste drilling fluid treatment technology to improve processing efficiency and reduce processing costs. The water-based polysulfonate drilling fluid produced in the oil exploitation process of a certain enterprise in southern Xinjiang had the characteristics of high viscosity and high COD value. The treatment process was selected according to the characteristics of the current enterprise waste liquid,so that the COD value of the processed sample was reduced from the initial 10000+ to less than 100,and the treatment effect was remarkable.
A large amount of waste drilling fluid will be produced during the oil exploitation process,which is extremely harmful to the environment. At present,for the abandoned drilling fluid,the existing processing technology has the disadvantages of poor processing effect and high cost. Therefore,it is extremely urgent to develop and optimize waste drilling fluid treatment technology to improve processing efficiency and reduce processing costs. The water-based polysulfonate drilling fluid produced in the oil exploitation process of a certain enterprise in southern Xinjiang had the characteristics of high viscosity and high COD value. The treatment process was selected according to the characteristics of the current enterprise waste liquid,so that the COD value of the processed sample was reduced from the initial 10000+ to less than 100,and the treatment effect was remarkable.
引文
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[2]周风山,曾光,何纶,等.废弃钻井完井液固液分离技术研究进展[J].钻井液与完井液,2007,24(s1):59-64.
[3]激扬.钻井的“血液”———钻井液今昔[J].石油知识,2015(6):10-13.
[4]谢水祥,邓皓,王蓉沙,等.钻井环境污染过程控制技术综述[J].油气田环境保护,2008,18(2):38-40.
[5]杜国勇,熊大富,刘宇程,等.完钻井井场混合液固化处理技术研究[J].石油与天然气化工,2006,35(3):242-243.
[6]刘宇程,陈明燕,杜国勇,等.塔里木油田废钻井液固化技术研究[J].石油与天然气化工,2006,35(6):496-499.
[7]刘宇程,杜国勇,王光润,等.塔河油田废钻井液固化技术研究及现场应用[J].钻井液与完井液,2008,25(3):63-65.
[8]宋延博.胜利油田钻井废弃泥浆固化处理技术研究[D].济南:山东大学,2007.
[9]王书琪,王平全,何涛,等.塔里木油田水基废钻井液无害化固化技术研究[J].钻井液与完井液,2006,23(2):76-79.
[10]方永春,刘新,卢新兵.钻井完井液固化处理技术[C]//环保型钻井液技术及废弃钻井液处理技术研讨会,2010.
[11]王书琪,王平全,何涛,等.塔里木油田水基废钻井液无害化固化技术研究[J].钻井液与完井液,2006,23(2):76-79.