超高温钻井液技术研究.pptx

单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,内容提纲,Content,市场需求,Marketing Demand,国内外技术现状,Current Situation,研究思路,Future Research,技术研究,Technology Study,现场应用,On-site application,结论,Conclusion,我国未探明石油储量约,85108t,，其中石油,73%,、天然气,52%,埋藏在深层，迫切需要进行深部油气资源勘探开发,Un,explored reserves,of our oil in China is about,8510,8,t,Oil accounts for 73 percent,natural gas 52 percent buried in the deep layer to be explored urgently.,大庆、南海、吉林、新疆、塔里木、大港等油田都在实施超深井钻井工程，许多井的井底温度均在,200,250,之间,Deep and ultra-deep well drilling projects are under the in Daqing,Nanhai,Jilin province,Xinjiang Autonomous region,Tarim and Dagang oil fields.The temperatures of most of wells are between 200 to 250,.,一、市场需求,Marketing Demand,我国目前用于深井、超深井钻井液抗温能力一般在,180,以下,Currently the temperature of deep and ultra deep wells in China is below 180,.,抗温在,200,240,水基钻井液，国内目前还是空白,Study on the water based drilling fluid is still blank under the resisting temperatures between 200,and 240,抗高温钻井液技术已成为制约深部地层石油天然气资源勘探、开发的技术瓶颈,Drilling fluid technology of resisting high temperature has become a technology bottleneck for thedeep layer oil and natural gas resource exploration and development.,研制出一套适合我国国情、抗温达,(220,240),钻井液技术，对满足我国深井超深井勘探开发的需要，具有重要意义。,It is greatly significant for China to develop the drilling fluid technology resisting the temperature between 220,and 240 to meet the demands of deep and ultra deep wells exploration and development.,一、市场需求,Marketing Demand,二、国内外技术现状,国外,Overseas and domestic technology current situation-Overseas,降粘剂,CPD,、,SSMA,Thinner,such as,CPD and SSMA,降滤失剂,Polydrill,、,COP1,、,COP2,、,VSVA,Filtration Reducer,such as Polydrill,COP1,COP2 and VSVA,以上钻井液处理剂抗温能力都在,200,以上，抗盐抗钙性能好，现场用，最高井底温度达到,260,The Thinner which mentioned above with,compatibility of calcium and,heat(,above 200,),and salinity tolerance,can be used on the spot,and the highest temperature in the well can reach to 260.,处理剂,Drilling Fluid Additives,Magcobor,公司的,Duratherm system,、,Baroid,公司的,Polynox,体系、,milpark,公司的,PYRO-DRILL,体系、,I.D.F,的,Poly Tempy,体系,Duratherm System of Magcobar,Polynox System of Baroid,Pyro-Drill system of Milpark,and Poly Tempy system of I.D.F.特点：,由无机盐,Ca(OH),2,或,KCL,和有机聚合物包被剂及高温稳定剂组成；,热稳定性能好，抗温达,200,以上,抗盐抗钙能力强；,对环境污染小。,Features:,Combined by the Ca(OH)2 or KCL,organic polymer coater and high temperature resistant stabilizer,heat stability,high temperature tolerance above 200,strong,salinity tolerance,Less environmental hazard,钻井液体系,Drilling Fluid Systems,二、国内外技术现状,国外,Overseas and domestic technology current situation-Overseas,20,世纪,70,年代：研究开发了一系列磺化类抗高温处理剂，随后开发出磺化木质素、磺甲基酚醛树脂和一些特种树脂；,90,年代以后，聚物的问世和国产化，相继开发出多种耐温抗盐的降滤失剂和稀释剂,In the 1970s of 20th century,the researchers developed a serials of,sulfonated additives in high temperature,followed by the development of lignosulfonate,sulfomethyl-phenolic resin,and some specialized resins.After the 1990s,various filtration reducers and thinner came into development one by one due to the coming out of the polymer and introduction to the domestic.,二、国内外技术现状,国内,Overseas and domestic technology current situation-Domestic,抗高温降滤失剂,SMC,、,SMP-1,、,SMP-2,SPNH,、,SLSP,、,SHR,、,SPX,、,SCUR,、,G-SPNH,、,AMPS,共聚物、,CHSP,1,、,CAP,、,SFJ-1,等,Filtration reducer resisting high temperature such as SMC,SMP-1,SMP-2,SPNH,SLSP,SHR,SPX,SCUR,G-SPNH,AMPS Copolymer,CHSP,1,CAP and SFJ-1 etc.,抗高温稀释剂,SMT,、,SMC,、,MGBM-1,XG-1,、,SSHMA,、,PNH,、,AMPS,共聚物、,THIN,、,SF260,等,High temperature resistant thinner,SMT,SMC,MGBM-1,XG-1,SSHMA,PNH,AMPS Copolymer,THIN and,SF260 etc.,二、国内外技术现状,国内,Overseas and domestic technology current situation-Domestic,特点,:,品种齐全,;,但抗温能力,180,以下,Features:abundant types but only work under the temperature below 180,三、研究思路,Study Approach,抗高温钻井液研究思路,研制抗温能力高的处理剂,Research and produce the,additives resisting high temperature,提高单个处理剂抗温能力,Increase the ability of heat,tolerance of single additive,提高整个体系的抗温性能,Improve the temperature,resisting performance of,the whole system,利用处理剂间协同增效,研制高温保护剂优选其他处理剂,Develop the high-temperature,protective additive due the synergistic,effects among additives.,优点：在较低温度下行之有效，解决了国内外大量的深井钻井液的技术难题。,Advantages:Effective under low temperature.Solve the technical difficulties in deep well drilling.,缺点：温度升高，性能变化大处理频繁，处理剂用量增多，成本增高。甚至无法达到所需钻井液性能要求。,Disadvantages:Constant performance changes caused the cost increase.Some even cannot reach the requirements of the drilling fluid.,三、研究思路,Study Approach,优点：成本低、成熟技术新应用、风险小,Advantages:Low cost and risk,sophisticated,technology used in a new way.,缺点：高温保护剂研制困难,Disadvantages:Difficult to research and,develop the high-temperature protective,additive.,高 温水基钻井液作用原理,高温对钻井液中粘土,及钻井液性能影响,Influence on the clay in,the drilling fluid,高温影响处理剂与粘土之间的,相互作用,the interaction between high temperature,additive and clay,高温对处理剂作用效能影响,High temperature effect on,the additive,粘土高温分散,Clay Dispersion in,high temperature,粘土高温钝化,Clay Passivation,影响钻井液流变性且不可恢复,Affect Drilling Fluid Rheology and unrecoverable,淡水、分散钻井液粘土切力升高，高矿化度钻井液粘度切力降低,。,Shearing force,of fresh water anddispersed drilling fluid increases and decreases of high mineralization,drilling fluid.,钻井液粘土含量高，出现高温固化，,反之出现高温减稠。,Clay content increases,Of drilling fluid coming out with,HT solidification,On the contrary,HT thinning.,处理剂高温降解,Additive HT degradation,处理剂高温交联,Additive HT Cross Linking,处理剂在粘土表面高温解吸附,Additives affiliated to the clay surface,under the high temperature,高温去水化,high temperature dehydration,1,、,钻井液抗高温机理研究,Mechanism Study of the drilling fluid high temperature(HT)tolerance,四、技术研究,Technology Study,粘土高温聚结,粘土高温聚结,Clay C,oagulation,in HT,温度是影响钻井液性能的主要因素，并且温度越高，钻井液性能发生变化的程度越大，主要表现在以下几个方面：,Temperature is the major factor to affect the drilling fluid peformance.,高温对深井水基钻井液性能的影响,高温恶化钻井液性能,Worsen the drilling fluid performance,高温影响钻井液的热稳定性,Affect thermal stability of drilling fluid,高温降低钻井液的,pH,值,Decrease the PH value of the,drilling fluid,高温增加处理剂的耗量,Increase the additives using amount,钻井液滤失量增大，粘度出现降低、,升高或先降低后升高等多种现象,。,Drilling fluid filtration increases and,viscosity decreases or increases or,decrease at the beginning and then increase,钻井液流变性发生变化,(,出现高温,增稠、高温减稠或高温固化等,情况,),；钻井液滤失造壁性变差,。,Rheology,changes with,becoming thinner,thicker or soli.,1,、钻井液抗高温机理研究,Mechanism Study of the drilling fluid high temperature tolerance,四、技术研究,Technology Study,2,、,抗高温钻井液处理剂研制、评价与优选,Research,Evaluation&Optimization on Drilling Fluid Additives,基本要求,Basic Requirement,分子特征,Molecular Characteristics,热稳定性强，高温降解不明显，交联易控制,Heat stability,invisible high temperature degradation andeasily controlled cross linking.,主链或亲水基与主链连接尽量采用,C,C,、,C,N,、,C,S,键而避免,O,键,Try to use,C,C,C,N,and,C,S,bounds in Main chain or hydrophilic group and avoids,O,bound.,对粘土表面有较强的吸附力，且受高温影响小,Strong adsorption to the clay surface and rarely affected by high temperature,螯合吸附，氢键吸附,chelation adsorption and hydrogen bond adsorption,抗高温保护剂研制与评价,Research and Evaluation,四、技术研究,Technology Study,2,、抗高温钻井液处理剂研制、评价与优选,基本要求,Basic Requirement,分子特征,Molecular Characteristics,亲水性强，受高温去水化作用较小,A great degree of hydrophilcity and low,dehydration in high temperature,选用离子基团如羧基、磺酸基作为亲水基,Use,ionic group,such as sulfonic acid group carboxyl as hydrophilic group,在,pH,较低时也能发挥作用,Effective even under the lower PH value,采用强酸性基团如,SO,3,Use,the ultra acid group such as SO,3,-,不能引起钻井液严重增稠,Forbid to cause the serious thickening of drilling fluid,分子量不要过高（据实践经验最好不超过,50,万）,molecular weight,not bove 500,000 based on actual experience.,抗高温保护剂研制与评价,四、技术研究,结论,:,选取丙烯酰胺,(AM),，,2-,丙烯酰胺基,-2-,甲基丙磺酸,(AMPS),，苯乙烯磺酸钠（,SSS,）作为单体合成三元共聚物作为高温钻井液保护剂,Conclusion:,Choose,acrylamide(AM),2-acrylamide 2-methylpropanesulfonic acid,(AMPS),sodium styrene sulfonate(SSS)as the unit to combine into terpolymer which can be used as drilling fluid protection agent,.,GBH,反应时间对转化率的影响,GBH responding time via transformation rate,转化率在,1030min,内迅速增加，,50min,达到,95%,，,1h,后反应接近完全,The transformation rated increases rapidly between 10 to 30 minutes and reaches the completion after an hour.,2,、抗高温钻井液处理剂研制、评价与优选,Research,Evaluation,and Optimization on,Drilling Fluid Additives with High Temperature Tolerance,抗高温保护剂研制与评价,合成,Research and Evaluation of the protection agent-,synthesis,四、技术研究,Technology Study,图,特性粘数随引发剂加量的变化关系,2,、抗高温钻井液处理剂研制、评价与优选,Research,Evaluation and Optimization,on,Drilling Fluid Additives with High Temperature Tolerance,抗高温保护剂研制与评价,合成,Research and Evaluation on Protection Agent with high temperature,tolerance-Evaluation-,synthesis,四、技术研究,Technology Study,图,GBH,的热重曲线,结论：,GBH,的热稳定性达到,300,以上,Conclusion:Heat stability of GBH can reach above 300,2,抗高温钻井液处理剂研制、评价与优选,Research,Evaluation and Optimization,on,Drilling Fluid Additives with High Temperature Tolerance,抗高温保护剂研制与评价,评价,Research and Evaluation on Protection Agent with high temperature tolerance-Evaluation,四、技术研究,Technology Study,2,、抗高温钻井液处理剂研制、评价与优选,Research,Evaluation,and,Optimization on,Drilling Fluid Additives with High Temperature Tolerance,抗高温保护剂研制与评价,评价,Research and Evaluation on Protection Agent with high temperature tolerance-Evaluation,四、技术研究,Technology Study,结果表明，配方中加入,1%GBH,就可显著地提高其褐煤树脂,SPNH,等降滤失剂的抗温性能，有效地降低钻井液的,HTHP,滤失量且流变性能基本保持不变，,GBH,在钻井液中具有协同增效作用，能大幅度地提高整个钻井液体系的抗温能力The results show that adding 1%of GBH increased the temperature tolerance ability of such filtration reducer as SPNH dramatically,effectively lower the HTHP filtration of drilling fluid and at the same time kept the rheology unchanged,.The,synergistic effect of GBH in drilling fluid can increase the temperature resisting ability of the whole drilling fluid system to a great extent.,2,、抗高温钻井液处理剂研制、评价与优选,Research,Evaluation,and Optimization on,Drilling Fluid Additives with High Temperature Tolerance,抗高温保护剂研制与评价,评价,Research and Evaluation on Protection Agent with high temperature tolerance-Evaluation,四、技术研究,Technology Study,配方,1#,：,4%,基浆,+2%SF+8%SPNH,；,2#,：,4%,基浆,+2%SF+8%SPNH+1.0%GBH,Composition,1#:4%slurry,2%SF and 8%SPNH.2#:4%of Slurry,2%of SF,8%of SPNH and 1%of GBH,在粘土表面上吸附,Adsorption on Clay Surface,增大粘土表面负电位,Increase the clay surface,negativeElectricity potential,GBH,分子结构中含有对粘土吸附作用强的酰,胺基,CONH,2,和羟基,OH,，并且,GBH,在粘土表,面的吸附量高于,SMP-1,在粘土表面的吸附量。,GBH structure inclueds,CONH2 and,OH,with strong adsorptionAblity.GBH adsorption,performance is higher Than SMP-1 in the clay,surface.,AMPS,单体含有负电性极高的,SO,3,-,，增大了,泥饼和粘土颗粒上的负电荷密度,AMPS unit contains high negative electricity,SO3-and increase the negative electricity,density of mud cake and clay particles.,磺酸基水化能力强，可在很大程度上增大粘土颗,粒的水化膜厚度，使泥浆中粘土颗粒高温前后的,聚结稳定性增强，从而降低钻井液的滤失量,。,Although sulfonic acid group has strong,hydration ability,in great extent,it can widen,hydration membrane of clay particles to enh-,ance coagulation stability to lower drilling,fluid filtration.,GBH,增大粘土表面水化膜厚度,Widen the clay surface,Hydration membrane,2,、抗高温钻井液处理剂研制、评价与优选,Research,Evaluation,and Optimization,on Drilling Fluid Additives with High Temperature Tolerance,抗高温保护剂研制与评价,作用机理,Research and Evaluation on Protection Agent with high temperature tolerance-Function Mechanism,四、技术研究,Technology Study,根据深井超深井钻井液存在的问题，我们开展了超高温钻井液技术研究和评价工作，筛选出,高温降滤失剂,、,高温防塌封堵剂和高温流型调节剂，优选出超高温,(240,),钻井液配,方,According to the difficulties of deep and ultra deep wells of the drilling fluid,we have carried out the study and evaluation on the drilling fluid tech,under the ultra temperature environment and selected out the optimized drilling fluid composition from high-temperature filtration reducer,formation stabilizer/sealant,anti caving and fluid regulator.,四、技术研究,3,、抗高温（,240,）钻井液技术研究,High Temperature Tolerance Drilling Fluid Study(above 240,）,膨润土,24,高温保护剂,GBH 1%,高温降滤失剂,GJL,4,+,高温降滤失剂,GJL,6,高温防塌封堵剂,GFD,4,(,高温防塌封堵剂,GFD,3,高温流型调节剂,GLJ2,重晶石,),2-4%of Bentonite,1%of high temperature protection agent,4%of filtration reducer GJL-plus 6%GJL,4%of anti-caving agent and sealant GFD,plus 3%GFD,3,and 2%of fluid regulate agent GLJ plus barite.,四、技术研究,Technology Study,3,、抗高温（,240,）钻井液技术研究,High Temperature Tolerance Drilling Fluid Study,(240),基本配方,Basic Composition,(240),高温保护剂,GBH High temperature protective agent GBH,GBH,是三元共聚物，具有协同增效的作用，通过提高其他处理剂的抗温能力而提高钻井液体系的整体抗温性能,30-50,；,GBH is a terpolymer,with synergistic effect,which can increase the temperature resistance performance of drilling fluid system for another,30-50 by improving the temperature resistance ability of other additives,.,高温降滤失剂,GJL,、,GJL,High Temperature Filtration Reducer GJL,and GJL,GJL,、,GJL,均为磺化树脂型改性降滤失剂,GJL,and GJL,are all,sulfonation resin modified filtration reducers,.,高温防塌封堵剂,GFD,、,GFD,Anti-caving agent and sealant GFD,and GFD,GFD,为改性高软化点天然植物沥青衍生物，具有良好的抑制页岩水化膨胀的作用，封堵井壁地层裂缝，降低,HTHP,滤失量和改善泥饼质量,处理剂介绍,Additive Introduction,四、技术研究,GFD,is,modified asphalt derivatives,of softened natural plants with good inhibitive behavior for,hydration of shale,sealing fractured formation,lowering HTHP filtrationand improvement for the quality of mud cake.,GFD,为有机硅树脂，高温条件下具有良好的抑制性和封堵性，防止井壁坍塌、降低,HTHP,滤失量,GFD,is a kind of,organic silicon resin with good inhibitive behavior and sealing ability under high temperature,preventing wellbore collapse and decreasing HTHP filtration.,高温流型调节剂,GLJ,High Temperature Fluid Regulating Agent GLJ,硅氟高温流型调节剂，在,240,超高温情况下，调节钻井液流变性，降低钻井液的粘 度、切力,Silicon and fluorine high temperature fluid agent can regulate rheology of drilling fluid and lower the viscosity and shear force under the ultra temperature 240,处理剂介绍,Additive Introduction,四、技术研究,抗温性能评价,Study on Temperature Resistance Ability温度,T,老化情况,Aging,（,16 h,）,AV,mPa,s,PV,mPa,s,YP,Pa,G,/,G,Pa,/,Pa,API FL,mL,HTHP FL,mL,pH,值,Value,25,热滚前,Before Hot Aging(HA),37.5,31,6.5,1.5/7,0.5,6,9,150,热滚后,after HA,31,26,5,1.5/2.5,0.6,5.9,9,180,热滚后,before HA,38,29,9,1.5/5,0.8,7.8,9,200,热滚后,After HA,36,28,8,2/4,0.5,5.0,9,220,热滚后,After HA,38.5,30,85,1.5/7,2,7.8,9,240,热滚后,After HA,39.5,27,12.5,3/9,3.8,15,9,密度为,1.4g/cm,3,钻井液在不同温度下老化后性能,Drilling Fluid with density 1.4g/cm,3,Performance under different temperature after hot aging,四、技术研究,Technology Study,抗温性能评价,Study on Temperature Resistance Ability,密度为,1.4g/cm,3,钻井液在不同温度下老化后性能,Drilling Fluid with density 1.4g/,cm,3,Performance under different temperature after aging,老化后流变性好，,AV,和,PV,随着老化温度升高而缓慢增加，一般不超过老化前数值,Rheology becomes better after aging.AV and PV increase slowly with the temperature increasing but normally will not exceed the value before aging,.,YP,随老化温度增加而增大，动塑比增大，携岩能力增强,YP increases with the temperature increasing,ratio of dynamic shear force and,cuttings carrying capacity increases.,老化后，,pH,值稳定；,HTHP FL,能满足施工要求,After aging,PH value is stable and HTHP FL can meet the operation requirements.,四、技术研究,Technology Study,抗温性能评价,Study on Temperature Resistance Ability,不同密度钻井液在,240,温度下老化后性能,Drilling Fluid performance,with different density after aging under 240,密度,D,g/cm,3,老化情况,Aging,（,16 h,）,AV,mPa,s,PV,mPa,s,YP,Pa,G,/,G,Pa,/,Pa,API FL,mL,HTHP FL,mL,pH,值,(V),1.03,热滚前,Before,24,18,6,1.5/4,2.6,9,热滚后,After,18,11,9,1.5/5.5,4.6,19,9,1.10,热滚前,Before,31.5,24.5,7,2/5,2.0,9,热滚后,After,29,20,9,4/8,4.5,15,9,1.15,热滚前,Before,33.5,24,9.5,2/6,1.8,9,热滚后,After,31.5,23,8.5,4.5/8,4.2,15,9,1.40,热滚前,After,37.5,31,6.5,1.5/7,0.5,9,热滚后,After,39.5,27,12.5,3/9,3.8,14,9,1.60,热滚前,Before,41,31,10,2/8,0.4,9,热滚后,After,42,29,13,4/9.5,3.2,13,9,四、技术研究,Technology Study,抗温性能评价,Study on Temperature Resistan