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1、阿根廷项目稠油开发技术阿根廷项目稠油开发技术1目目 录录一、基本情况一、基本情况二、存在的问题二、存在的问题三、推介技术三、推介技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术2一、基本情况一、基本情况nAnalyze a down hole solution for High Viscosity fluidsnEnsure the continuous production in Piedra Clavada and Sur Piedra Clavada fie
2、lds.nReduce the Failure Index.nTest the available technology3一、基本情况一、基本情况nCerro Grande Block is located in Piedra Clavada Field. This area has fluids with high viscosity oil, paraffin and asphaltens. The average depth is 2000 meters.nSur Piedra Clavada Field in one of the most important areas under
3、development in Oxy Argentina. There is sector of SPC where the oil characteristics show high viscosity (SPC-1087 area). The average depth is 1500 meters.nThe wells in SPC 1087 area have no or low production since the completion. It produce a lack of reserves and stop the development in that directio
4、n.nThis fluid characteristic produces a high Failure Index, increasing production costs and production losses.4一、基本情况一、基本情况Oil Characteristics in PC area5一、基本情况一、基本情况Oil Characteristics in PC area6一、基本情况一、基本情况Oil Characteristics in SPC area7一、基本情况一、基本情况Oil Characteristics in SPC area8一、基本情况一、基本情况Oil
5、 Characteristics in SPC 1087 area9二、二、Problems ConclusionsProblems ConclusionsnThere is a high rate of production losses associated to the fluid conditions.uuReduced flow rates;Reduced flow rates;uuLost production hours (down-time);Lost production hours (down-time);uuHigh operating costs High operat
6、ing costs uuHigh workover/pulling costsHigh workover/pulling costsnThe fluids flow from the reservoir to the wellbore.nThere are some problems to extract the fluids from the well.nAn auxiliary methodology is necessary to help fluid lifting.10（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术 根据实验室加热降粘情况，大
7、于根据实验室加热降粘情况，大于根据实验室加热降粘情况，大于根据实验室加热降粘情况，大于50505050时粘度小于时粘度小于时粘度小于时粘度小于500mPa*S500mPa*S500mPa*S500mPa*S的油井采用电加热、井筒加药降粘、磁降粘等处理井筒粘度的技的油井采用电加热、井筒加药降粘、磁降粘等处理井筒粘度的技的油井采用电加热、井筒加药降粘、磁降粘等处理井筒粘度的技的油井采用电加热、井筒加药降粘、磁降粘等处理井筒粘度的技术生产。术生产。术生产。术生产。（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术 大于大于大于大于50505050时粘度大于时粘度
8、大于时粘度大于时粘度大于500mPa*S500mPa*S500mPa*S500mPa*S的油井，采用化学吞吐降粘、的油井，采用化学吞吐降粘、的油井，采用化学吞吐降粘、的油井，采用化学吞吐降粘、化学降粘驱油技术生产。化学降粘驱油技术生产。化学降粘驱油技术生产。化学降粘驱油技术生产。 三、三、Techniques introductionTechniques introduction11（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术1.Hollow Rod Electric Heating Technology1.Hollow Rod Electric H
9、eating Technology1.Hollow Rod Electric Heating Technology1.Hollow Rod Electric Heating Technology三、三、Techniques introduction StructureThe intermediate frequency electrical heating system consists of four parts: The intermediate frequency power；Hollow rodSpecial heating cablePump for heavy oil12（一）井筒
10、降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术1.Hollow Rod Electric Heating Technology1.Hollow Rod Electric Heating Technology1.Hollow Rod Electric Heating Technology1.Hollow Rod Electric Heating Technology13Cable Winch With Soft Cable StructureHollow sucker rod and accessoriesCentralizerHollow Polish RodP
11、icture of Control Cabinet 1. 1. 1. 1.Hollow Rod Electric Heating TechnologyHollow Rod Electric Heating TechnologyHollow Rod Electric Heating TechnologyHollow Rod Electric Heating Technology（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术14 The heating current generates skin effect in the inner wall of h
12、ollow rod when the single phase current passes heating cable and hollow rod; the current gathers in the inner wall, the outer wall of hollow rod are uncharged PrinciplePrinciple Sketch MapTubeHollow rodHeating cableHeavy oil1.1.1.1.Hollow Rod Electric Heating TechnologyHollow Rod Electric Heating Te
13、chnologyHollow Rod Electric Heating TechnologyHollow Rod Electric Heating Technology （一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术15The Feature of Heating Soft CableItemsUnitIndexLengthm800-3000Maximum voltage50HZ、60HZV5000Maximum currentA180Conductor sectionmm234 40Working temperature 205 250lowest
14、temperature-60Anti-tensile forceKN20- 30Minimum bend radius mm250Insulation resistance more than1500Cable OD:16.5mmTemperature resistance: 205Service life: 2 yearsTotal tension resistance at 1000m 20KN.TypeRod ODNipple ODWall thicknessMaterialTensile strengthBend strengthRigidityKG3636mm52mm5.5mm35G
15、rmo750-860MPa620 MPaHB220-250Hollow Rod Technical ParametersParameters1.1.1.1.Hollow Rod Electric Heating TechnologyHollow Rod Electric Heating TechnologyHollow Rod Electric Heating TechnologyHollow Rod Electric Heating Technology （一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术16 ApplicationTake COPAL-
16、7 for example, it is located in Mexico, belonging to PEMEX. Due to heavy oil, in most cases, COPAL-7 had been shut in. After implementing EHT, not only can it produce smoothly, but the production also dramatically increased from 8t to 29t. 1.1.1.1.Hollow Rod Electric Heating TechnologyHollow Rod Ele
17、ctric Heating TechnologyHollow Rod Electric Heating TechnologyHollow Rod Electric Heating Technology （一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术17 ApplicationEHS has been applied in more than 1700 wells at home and abroad, such as Kazakhstan, Russia, Mexico , Syria, etc. It increases the oil temper
18、ature efficiently, and improve fluidity and solve lifting problem.2007-2009 Marketing AchievementsUser nameSpecification No.QtyRemarkShengliDRG-250/380.ZP442 okXinjiangDRG-250/380.ZP13okJiangsuDRG-250.ZP56okKazakhstanDRG-250/1140.ZP15okCanadaDRG-250/380.ZP7ok 1.1.1.1.Hollow Rod Electric Heating Tech
19、nologyHollow Rod Electric Heating TechnologyHollow Rod Electric Heating TechnologyHollow Rod Electric Heating Technology （一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术18 PrincipleWaste water which had been treated be pumped through surface pipe to wellhead, then flow into the hollow rod through a chec
20、k valve and inject into the tubing up the pump, mixture with crude oil pumped to form the emulsion oil in water, the problems of viscous oil wells with high back pressure can be solved due to large amount of mixed fluid. 2.Viscosity Break By Physical and Chemical Mixed Water by Hollow Rod Mixed Wate
21、r by Hollow Rod Mixed Water by Hollow Rod Mixed Water by Hollow Rod （一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术19Water-blended system equipment hollow rod down hole check valve high pressure hoseSystem technology requests:Well head pressure：3-4Mpa；temperature：60-90；volume：make the water cut of well
22、 fluid more than 80%reserviorlinerCheck valveCheck valveSolid rodSolid rodpistonpistonartificial well bottom String sketch mapHollow water-blender process2.Viscosity Break by Physical and Chemical Mixed Water by Hollow RodMixed Water by Hollow Rod System structure （一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一
23、）井筒降粘开采技术20 Process Principle: Using the lipophilic forces of self-diffusion viscosity reducer system, diffuse into the oil phase through the oil-water interface to reduce the number of heavy oil molecules together, so that the acting force between the heavy oil molecules weaken, thus reducing the v
24、iscosity of heavy oil and improve the mobility of heavy oil, to achieve reservoir viscosity reduction purposes. Principle sketch map2.Viscosity Break By Physical and Chemical Self-diffusion Viscosity Reducer （一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术21temperature160 ；Salinity aqueous 2.2105mg/l；wh
25、en the system volume is 400mg/l800mg/l时，时，viscosity reduction97；Make solution at room temperaturePut it aside with high temperatureViscosity reduction testcooling2.Viscosity break by physical and chemical self-diffusion viscosity reducer （一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术22 It can be used
26、for wells group viscosity reduction by centralized It can be used for wells group viscosity reduction by centralized distribution and metering, achieving the overall system management.distribution and metering, achieving the overall system management. 2.Viscosity Break By Physical and Chemical Self-
27、diffusion Viscosity Reducer （一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术23高效防蜡防垢设备工作示意图高效防蜡防垢设备工作示意图 The apparatus, connected with alternative current, would generate changing electromagnetic field. Through the magnetic conductivity of the tubing, electromagnetic field would cover all the liquid in
28、tubing. Wax molecules，affected by electromagnetic field, are polarized, then the wax crystals would become smaller, and the adhesive force between molecules would reduce. The molecular arrangement would change from disorder to order, which could restrain wax-crystal gathering and reduce the liquid v
29、iscosity, and improve liquidity.连接法兰连接法兰方向指示设备主机管线电源接线盒输油管线输油管线连接法兰连接电缆连接电缆设备电源控制柜输出电缆输入电缆油流方向油流方向管线 Principle 3.Electromagnetic Paraffin Control（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术24Oil Well Wax Scale Control Unit SpecificationsParameters 3.Electromagnetic Paraffin Control（一）井筒降粘开采技术（一）井筒降粘
30、开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术25 Heavy oil and the physical properties of oil are poor. Pumping unit temporarily suspending , stuck pump often occurs when starting again; The viscosity and wax content are very high. Wax deposit and scaling are serious in wellbore, and well-flushing cycle is short; The i
31、ndividual well producing rate is low, and swabbing parameters are smaller. After flushing, it would take a long time for period of recovery production, and would seriously damage the oil formation; Due to dead oil and wax, its difficult to test liquid surface wave. Applicable scope 3.Electromagnetic
32、 Paraffin Control（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术26 Take N1-3-175 and E22-21, located in Daqing Oilfield, for example, both of them contain high wax, and well-flushing period are both 30 days, and often could not test liquid surface wave due to heavy oil, . During tem months, N1-3-175 oc
33、curred 4 times stuck pump, and E22-21 occurred 3 times stuck pump. Application 3.Electromagnetic Paraffin Control（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术27 Through using the apparatus, the well-flushing period of the wells had been extended from 30 days to 334 days and 210 days respectively. The
34、 liquid surface wave could be tested normally, and effectively reduce viscosity, and production operation run properly. Application 3.Electromagnetic Paraffin Control（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术28高效防蜡防垢设备工作示意图高效防蜡防垢设备工作示意图 The amount of electricity is about 8 kw.h/d. It is high cost-
35、effective for wells with heavy wax.连接法兰连接法兰方向指示设备主机管线电源接线盒输油管线输油管线连接法兰连接电缆连接电缆设备电源控制柜输出电缆输入电缆油流方向油流方向管线 Experience 3.Electromagnetic Paraffin Control（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术（一）井筒降粘开采技术29三、三、Techniques introductionTechniques introduction（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术 大于大于大于大于50
36、505050时粘度大于时粘度大于时粘度大于时粘度大于500mPa*S500mPa*S500mPa*S500mPa*S的油井，采用化学降的油井，采用化学降的油井，采用化学降的油井，采用化学降粘吞吐、化学降粘驱油技术生产。粘吞吐、化学降粘驱油技术生产。粘吞吐、化学降粘驱油技术生产。粘吞吐、化学降粘驱油技术生产。30（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术1 1、水溶性自扩散体系性能、水溶性自扩散体系性能 体系浓度对降粘效果的影响（体系浓度对降粘效果的影响（5050）体系浓度mg/L油样粘度 /mPasGD903-8GD15X0单56-9-15陈375
37、09280120006257274240200195186436298400176175281290600-17226424010001601672432351200-157231-2000-209205体系浓度为400mg/L时，可使粘度为928074240mPas的不同区块原油降至为176290mPas。31（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术矿化度对体系降粘效果的影响（矿化度对体系降粘效果的影响（5050）油样矿化度mg/L温度体系用量mg/L油样粘度，mPas降粘率%加药前加药后GD903-8574950400928017698.10
38、草27平26328506007430039899.46陈3758125506007424045299.39陈373-39217504002931220799.29营8-X621320050400674717297.45TK1056187500508009800051699.47AD11220000608008200040299.51矿化度对体系降粘效果没有影响32体系浓度对稠油粘度的影响体系浓度对稠油粘度的影响(mPa(mPas)s)（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术温度 /0200mg/L400mg/L600mg/L65597.39253
39、.26193.64254.4815037.9116.6111.5215.44 （气油比23.8 、油水比4/6） 体系可以大幅度降低稠油粘度，体系用量400mg/L时，在油藏条件下降粘率为6070%。33（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术温度对粘度的影响（温度对粘度的影响（mPamPas s）用量506580100120150空白1409.56597.39308.57149.7280.9537.91400mg/L393.00193.64104.0065.2225.3611.52(气油比23.8 、油水比4/6) 作用时间对粘度的影响（作用时
40、间对粘度的影响（mPamPas s）温度 /018h36h84h65193.64131.41127.81123.4415011.5212.8012.9412.32(气油比23.8、油水比4/6、体系用量400mg/L) 实验表明：温度和时间对体系降粘率影响不大。该体系既适实验表明：温度和时间对体系降粘率影响不大。该体系既适用于蒸汽吞吐、蒸汽驱，也可用于水驱冷采。用于蒸汽吞吐、蒸汽驱，也可用于水驱冷采。34（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术2 2、现场应用、现场应用水驱井组水驱井组在河口、孤岛、滨南、东辛采油厂的四个区块9个井组开展了CPE驱
41、技术现场试验，取得了降水增油效果。区块井组数量井组陈25块（薄互层稠油油藏）2CJC9-29CJC7-31滨31块（普通稠油油藏）1SDB31-11永8块（断块稠油油藏）1XLA8-54孤岛中一区馆45GD1-15N17GD1-14CN19GD1-16-821GD1-17N20GD1-16-21合计9个井组CPE驱现场试验井组统计35（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术3 3、现场应用、现场应用单井吞吐单井吞吐2011年水溶性自扩散降粘体系在孤岛、河口、东辛、罗家、王庄等油田共进行49井次现场试验，平均单井增油265吨。水溶性自扩散降粘体系强
42、化冷采“水溶性自扩散降粘体系热污水”强化热采“水溶性自扩散降粘体系热污水”前置液蒸汽36（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术孤岛油田单井现场试验分类序号井号周期数作业前日油t/d周期产油t施工用量 m3作业后峰值产量(月度)日油t/d有效期内产油 t增油t备注强化热采1GDGB1-16132.27523296.515.323711848有效期满2GD1-18-62172.59265103.5479-447有效期满3GDD22-141.715304207.51060-470有效期满，邻井D21-2受效，增油530t4GDNB76X620.662
43、1013.3958958有效期满5GDGB1-26100.54542505.755816有效期满6GDGB1X1050.611821503.6521339有效期满强化冷采1GDX0X6230.72007.973645继续有效2GD2-30-53306008.51960有效期满3GDX3N1821.262005.7868有效期满4GDNB76X111.492006.61268有效期满5GD2-27C5160.93006.221281有效期满6GD2-34X42805702.98431有效期满7GD2-32-342.160017.64541注聚驱边部稠油，受注聚见效影响37（二）油层化学降粘技术（
44、二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术东辛单井现场试验 2011年实施15井次，累计增油7674.3t，平均单井增油550t。38（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术典型井例 XLA8CX13井：原油粘度10000mPas，2011年1月新投，投产后含水100%，2 天后因供液不足停井。 2011年4月底注入自扩散降粘体系300m3，开井14天后见油，至2012年1月18日，日液8.7m3，日油6.7t，累计增油2093t。39（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术典
45、型井例层位射孔井段m实射厚度m孔隙度%渗透率10-3m2含油饱和度%原油粘度mPas 胶质含量%沥 青 质%Ng下141234.6-1242.68m32.0%151361.21691040.79-59.23.92-15.72 自2007年6月投产至2010年12月，措施前吞吐4个周期，累液18332.4m3，累油4384.2t。 吞吐三、四周期产量递减快，周期生产时间短，周期产油量低，含水高。CJC33-X77井油层数据CJC33-X77井生产史主要矛盾40（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术（二）油层化学降粘技术典型井例第4周期措施周期周期主要措施生产时间生产天
46、数d累液t累油t日液能力t/d日油能力t/d 含水%油汽比11322t蒸汽2007.6.1-2008.7.10 394.84469.32101.711.35.353.11.5921500t蒸汽2008.8.2-2009.4.6215.95891.31496.927.36.974.71.0032003t蒸汽2009.5.5-2009.10.11157.13993.8369.725.4 2.4 90.60.1842100t蒸汽2009.11.25-2010.5.21153.43978.6415.925.9 2.7 82.60.20措施周期自扩散体系水溶液600m3(600mg/l)+1603t蒸汽2010.6.20-2011.2.13237.47124.31604.730.06.877.51.00CJC33-X77井措施前后生产效果对比4142
