BIO–OIL环保基液的研制与现场试验
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摘要
为满足深水钻井环保要求,开发了一种用于合成基钻井液的环保基液BIO–OIL,对比了BIO–OIL基液与常用基液的基本物理化学性能、黏温特性、碳原子数分布、生物毒性和乳液微观流变性,用BIO–OIL基液配制了深水合成基钻井液及高温高压合成基钻井液,并评价了其性能。结果显示,BIO–OIL基液的基本性能满足现场需求,生物毒性符合一级海域排放要求,乳液流体类型与3~#白油乳液流体类型相同,具有三维网状结构,可配制满足现场需求的深水合成基钻井液和高温高压合成基钻井液。用BIO–OIL基液配制的合成基钻井液在南海西部某区块3口井进行了现场试验,结果表明,该钻井液流变性能稳定,携岩性能强,井眼清洁效果好。研究表明,BIO–OIL基液是一种可用于合成基钻井液的环保基液,用其配制的合成基钻井液的性能满足深水钻井需求。
In order to meet environmental protection requirements for deepwater drilling, an environmently friendly BIO-OIL base fluid was developed for synthetic based drilling fluid. The study compared the BIO-OIL base fluid with commonly used base fluids and examined their basic physical and chemical properties, viscosity temperature characteristics, carbon atom number distribution, biotoxicity, and micro-emulsion rheology. These studies studied the BIO-OIL based deepwater synthetic based drilling fluid and HTHP synthetic base drilling fluid and evaluated their performances. The results showed that the basic performance of BIO-OIL could satisfy minimum requirements for field application, while also satisfying the requirements of Class I sea discharge bio-toxicity level requirements. The type of emulsion fluid is the same as that of 3~# white oil emulsion, with the 3D network structure, and it has the advantage that it can be made into deepwater synthetic based drilling fluid and HTHP synthetic based drilling fluid and it meets operational requirements. The BIO-OIL based synthetic drilling fluids have been tested in three wells in western block of South China Sea. Their rheological properties were stable, its cuttings carrying performance was strong, and it demonstrated good wellbore cleaning effect. Studies indicated that BIO-OIL can be classified as an environment friendly base fluid, which also meets operational standards for synthetic based drilling fluids.
In order to meet environmental protection requirements for deepwater drilling, an environmently friendly BIO-OIL base fluid was developed for synthetic based drilling fluid. The study compared the BIO-OIL base fluid with commonly used base fluids and examined their basic physical and chemical properties, viscosity temperature characteristics, carbon atom number distribution, biotoxicity, and micro-emulsion rheology. These studies studied the BIO-OIL based deepwater synthetic based drilling fluid and HTHP synthetic base drilling fluid and evaluated their performances. The results showed that the basic performance of BIO-OIL could satisfy minimum requirements for field application, while also satisfying the requirements of Class I sea discharge bio-toxicity level requirements. The type of emulsion fluid is the same as that of 3~# white oil emulsion, with the 3D network structure, and it has the advantage that it can be made into deepwater synthetic based drilling fluid and HTHP synthetic based drilling fluid and it meets operational requirements. The BIO-OIL based synthetic drilling fluids have been tested in three wells in western block of South China Sea. Their rheological properties were stable, its cuttings carrying performance was strong, and it demonstrated good wellbore cleaning effect. Studies indicated that BIO-OIL can be classified as an environment friendly base fluid, which also meets operational standards for synthetic based drilling fluids.
引文
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[17]沈丽,王宝田,宫新军,等.气制油合成基钻井液流变性能影响评价[J].石油与天然气化工,2013,42(1):53-57.SHEN Li,WANG Baotian,GONG Xinjun,et al.Evaluation on rheological properties of GTL based drilling fluids[J].Chemical Engineering of Oil and Gas,2013,42(1):53-57.
[18]袁俊秀.NH-SO1合成基钻井液基础油及体系性能研究[J].钻采工艺,2016,39(2):98-101.YUAN Junxiu.Performance study of NH-SO1 synthetic based oil drilling fluid system[J].Drilling&Production Technology,2016,39(2):98-101.
[19]罗健生,刘刚,李超,等.深水FLAT-PRO合成基钻井液体系研究及应用[J].中国海上油气,2017,29(3):61-66.LUO Jiansheng,LIU Gang,LI Chao,et al.Research and application of FLAT-PRO synthetic based drilling fluid system in deep water[J].China Offshore Oil and Gas,2017,29(3):61-66.
[20]刘雪婧,赵春花,侯瑞雪,等.一种油基钻井液流型调节剂的性能评价方法[J].精细石油化工,2016,33(4):19-22.LIU Xuejing,ZHAO Chunhua,HOU Ruixue,et al.A new method to evaluate rheology modifier of oil-base drilling[J].Speciality Petrochemicals,2016,33(4):19-22.
[2]王中华.国内外钻井液技术进展及对钻井液的有关认识[J].中外能源,2011,16(1):48-60.WANG Zhonghua.Advances on drilling fluid technology and understanding of the relevant fluid at home and abroad[J].SinoGlobal Energy,2011,16(1):48-60.
[3]张金川,汪宗余,聂海宽,等.页岩气及其勘探研究意义[J].现代地质,2008,22(4):640-646.ZHANG Jinchuan,WANG Zongyu,NIE Haikuan,et al.Shale gas and its significance for exploration[J].Geoscience,2008,22(4):640-646.
[4]路保平,丁士东.中国石化页岩气工程技术新进展与发展展望[J].石油钻探技术,2018,46(1):1-9.LU Baoping,DING Shidong.New progress and development prospect in shale gas engineering technologies of Sinopec[J].Petroleum Drilling Techniques,2018,46(1):1-9.
[5]陈安明,龙志平,周玉仓,等.四川盆地外缘常压页岩气水平井低成本钻井技术探讨[J].石油钻探技术,2018,46(6):9-14.CHEN Anming,LONG Zhiping,ZHOU Yucang,et al.Discussion on low-cost drilling technologies of normal pressure shale gas in the outer margin of the Sichuan Basin[J].Petroleum Drilling Techniques,2018,46(6):9-14.
[6]李振智,孙举,李晓岚,等.新型无土相油基钻井液研究与现场试验[J].石油钻探技术,2017,45(1):33-38.LI Zhenzhi,SUN Ju,LI Xiaolan,et al.The development and application of a clay-free oil-based drilling fluid[J].Petroleum Drilling Techniques,2017,45(1):33-38.
[7]赵宝祥,陈江华,任国琛,等.高压窄密度窗口油基钻井液固井技术[J].石油钻采工艺,2018,38(6):808-812.ZHAO Baoxiang,CHEN Jianghua,REN Guochen,et al.Cementing technology in the environment of oil based drilling lfuid with highpressure narrow-density window[J].Oil Drilling&Production Technology,2018,38(6):808-812.
[8]王晓军.新型低固相油基钻井液研制及性能评价[J].断块油气田,2017,24(3):421-425.WANG Xiaojun.Development and performance evaluation of new low-solid oil-based drilling fluid[J].Fault-Block Oil&Gas Field,2017,24(3):421-425.
[9]解宇宁.低毒环保型油基钻井液体系室内研究[J].石油钻探技术,2017,45(1):45-50.XIE Yuning.Experimental study on low-toxicity and environmentfriendly oil-based drilling fluids[J].Petroleum Drilling Techniques,2017,45(1):45-50.
[10]吴涛,王志龙.环保型钻井液的研究现状及发展趋势[J].化学与生物工程,2018,35(10):1-5.WU Tao,WANG Zhilong.Research status and development trend of eco-friendly drilling fluids[J].Chemistry&Bioengineering,2018,35(10):1-5.
[11]王茂功,徐显广,孙金声,等.气制油合成基钻井液关键处理剂研制与应用[J].钻井液与完井液,2016,33(3):30-34,40.WANG Maogong,XU Xianguang,SUN Jinsheng,et al.Study and application of additives for synthetic fluids with GTL as the base fluid[J].Drilling Fluid&Completion Fluid,2016,33(3):30-34,40.
[12]王旭东,郭保雨,陈二丁,等.油基钻井液用高性能乳化剂的研制与评价[J].钻井液与完井液,2014,31(6):1-4.WANG Xudong,GUO Baoyu,CHEN Erding,et al.Development and evaluation of a high performance oil base mud emulsifier[J].Drilling Fluid&Completion Fluid,2014,31(6):1-4.
[13]KENNY P.Ester-based muds show promise for replacing some oilbased muds[J].Oil and Gas Journal,1993,91(45):88-91.
[14]SIMPSON J P,WALKER T O,JIANG G Z.Environmentally acceptable water-based mud can prevent shale hydration and maintain borehole stability[J].SPE Drilling&Completion,1995,10(4):242-249.
[15]徐同台,彭芳芳,潘小镛,等.气制油的性质与气制油钻井液[J].钻井液与完井液,2010,27(5):75-78,93.XU Tongtai,PENG Fangfang,PAN Xiaoyong,et al.Performance of GTL and GTL based drilling fluids[J].Drilling Fluid&Completion Fluid,2010,27(5):75-78,93.
[16]罗健生,莫成孝,刘自明,等.气制油合成基钻井液研究与应用[J].钻井液与完井液,2009,26(2):7-11,129.LUO Jiansheng,MO Chengxiao,LIU Ziming,et al.The study and application of a GTL based drilling fluid[J].Drilling Fluid&Completion Fluid,2009,26(2):7-11,129.
[17]沈丽,王宝田,宫新军,等.气制油合成基钻井液流变性能影响评价[J].石油与天然气化工,2013,42(1):53-57.SHEN Li,WANG Baotian,GONG Xinjun,et al.Evaluation on rheological properties of GTL based drilling fluids[J].Chemical Engineering of Oil and Gas,2013,42(1):53-57.
[18]袁俊秀.NH-SO1合成基钻井液基础油及体系性能研究[J].钻采工艺,2016,39(2):98-101.YUAN Junxiu.Performance study of NH-SO1 synthetic based oil drilling fluid system[J].Drilling&Production Technology,2016,39(2):98-101.
[19]罗健生,刘刚,李超,等.深水FLAT-PRO合成基钻井液体系研究及应用[J].中国海上油气,2017,29(3):61-66.LUO Jiansheng,LIU Gang,LI Chao,et al.Research and application of FLAT-PRO synthetic based drilling fluid system in deep water[J].China Offshore Oil and Gas,2017,29(3):61-66.
[20]刘雪婧,赵春花,侯瑞雪,等.一种油基钻井液流型调节剂的性能评价方法[J].精细石油化工,2016,33(4):19-22.LIU Xuejing,ZHAO Chunhua,HOU Ruixue,et al.A new method to evaluate rheology modifier of oil-base drilling[J].Speciality Petrochemicals,2016,33(4):19-22.