CN104007043B - A large, multi-purpose experimental system fracturing fluid - Google Patents

A large, multi-purpose experimental system fracturing fluid Download PDF

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CN104007043B
CN104007043B CN201410120062.6A CN201410120062A CN104007043B CN 104007043 B CN104007043 B CN 104007043B CN 201410120062 A CN201410120062 A CN 201410120062A CN 104007043 B CN104007043 B CN 104007043B
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valve
connected
fracturing fluid
li
liquid
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CN104007043A (en
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张健
张国祥
徐越
赵志国
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中国华能集团清洁能源技术研究院有限公司
中国华能集团公司
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Abstract

一种大型多功能压裂液实验系统,通过药液、气体支路进入泡沫发生器混合,然后进入不同管径的三路直管,测量管径对压裂液摩阻的影响,或者进入盘管用于测量摩阻,这4组管两端都连接有压差传感器,在测量摩阻时,这4组管两端都安装有阀门,实验时,可以通过这几组阀门开关,可以选择性开启一路,多级视窗可以观测支撑剂在压裂液中的悬浮状态,之后进入药液泵进行循环可以测量摩阻,或者实验结束时进入出口分离器,本发明用于测量冻胶压裂液、清水压裂液、二氧化碳泡沫压裂液,或用于二氧化碳干法压裂液在不同温度和压力下的流变特性、摩阻特性、携砂性能研究,通过多级视窗观测支撑剂在压裂液中的悬浮状态。 A large, multifunctional fracturing fluid experimental system, through the liquid, mixing gas manifold into the foam generator, and then enter the three-way straight pipes with different diameters, the diameter measurement of the influence of the fracturing fluid friction, or entering the disc tube for measuring friction, which four groups are connected to ends of the tube a differential pressure sensor, when measuring friction, which four groups are attached to ends of the tube valve, the experiment can be set by these switch valves may be selected opening the way of multi-stage windows can be observed in the suspension proppant fracturing fluid, after entering the pump circulates liquid friction may be measured, or the separator into the outlet end of the experiment, according to the present invention for measuring gel fracturing solution, water fracturing fluid, carbon dioxide foam fracturing fluid, or for rheological properties at different temperatures and pressures, carbon dioxide dry friction characteristics fracturing fluid, sand performance study carried, through observation windows proppant multistage suspension fracturing fluid.

Description

一种大型多功能压裂液实验系统 A large, multi-purpose experimental system fracturing fluid

技术领域 FIELD

[0001]本发明涉及石油天然气开发领域的一种实验系统,具体涉及一种大型多功能压裂液实验系统。 [0001] The present invention relates to the field of oil and gas developed an experimental system, in particular to a large multifunctional fracturing fluid experimental system.

背景技术 Background technique

[0002]现有的压裂液评价仪器设备主要有流变仪,摩阻仪等设备。 [0002] Evaluation of the conventional fracturing fluid with a main equipment rheometer, friction and other equipment. 其中:流变仪主要可以用于测量冻胶压裂液的流变特性,主要采用进口设备,利用转子剪切器皿中的冻胶压裂液,进行测量。 Wherein: the main rheometer may be used to measure the rheological properties of the gel fracturing fluid, mainly imported equipment, using a shear rotor gel fracturing fluid in the vessel, was measured. 摩阻仪可以用于测量冻胶压裂液,和清水压裂液的摩阻特性。 Friction measurement instrument may be used to gel the fracturing fluid and fracturing fluid friction characteristics of water. 可以同时测量压裂液流变性和摩阻特性的仪器基本没有。 RHEOLOGICAL fracturing can be measured simultaneously and friction characteristics substantially no instrument.

[0003]近年来,一种新的压裂技术一二氧化碳干法压裂技术逐渐热起来,越来越多的人们开始对他进行研究。 [0003] In recent years, a new fracturing technology a dry carbon dioxide fracturing technology gradually heat up, more and more people began to study him. 然而,测量干法压裂液这些特性的设备基本没有。 However, these devices for measuring properties of the fracturing fluid is substantially free dry.

发明内容 SUMMARY

[0004]为了克服上述现有技术的缺点,本发明的目的在于提供了一种大型多功能压裂液实验系统,不仅可以用于测量行业内最常用到的冻胶压裂液、清水压裂液、二氧化碳泡沫压裂液,而且还可以用于二氧化碳干法压裂液在不同温度和压力下的流变特性、摩阻特性、携砂性能研究,还可以通过多级视窗观测支撑剂在压裂液中的悬浮状态。 [0004] In order to overcome the drawbacks of the prior art, an object of the present invention to provide a large multifunctional fracturing fluid experimental system, not only for the gel fracturing fluid most commonly used measurement industry, water fracturing liquid carbon dioxide foam fracturing fluid, the rheological properties but also for dry carbon dioxide fracturing fluid at different temperatures and pressures, the friction characteristics sandbody performance, portability, windows may also be observed by a multistage pressure proppants crack suspension liquid.

[0005]为了达到上述目的,本发明采取的技术方案为: [0005] To achieve the above object, the present invention takes technical solutions:

[0006] —种大型多功能压裂液实验系统,包括固体推进器I,它上面为漏斗的结构,固体推进器I通过支撑剂计量装置2衔接在药罐5的进口管路上,并与之密封;药罐5的顶部通过过滤器4和药液搅拌器3连接,药罐5用来盛放配好的药液,它带有给药液加热功能,在它的侧壁设有温度计量装置6,药罐5的底部设有药液计量装置7,药罐5的输出管依次通过第一阀8、药液栗9、第一单向阀1、第二阀11、第一预热器12和泡沫发生器13的药液入口连接,起泡剂罐14通过起泡栗15、第二单向阀16与泡沫发生器13连接; [0006] - Experiment Species large multifunctional fracturing fluid system comprising a solid pusher I, above which a funnel configuration, the pusher solid support I metered dose device 2 through the inlet piping adapter canister 5, and with seal; the top of the canister 5 through the filter 4 is connected to the stirrer 3 and the liquid, with a good canister 5 for holding liquid, with a liquid heating function which, at its side wall provided with a temperature measurement means 6, the bottom of the canister 5 is provided with a liquid metering device 7, the canister outlet tube 5 passes through the first valve 8, 9 Li liquid, a first check valve, the second valve 11, a first preheating the foam generator 12 and liquid inlet 13 is connected, by foaming the foaming agent tank 14 Li 15, 16 and the second check valve 13 is connected to the foam generator;

[0007] 第一气瓶17、第二气瓶18分别通过第三阀19、第四阀20和净化器21的入口连接,净化器21的出口依次通过流量计22、制冷装置23、第五阀25、第六阀26、气栗29、第三单向阀32、第二预热器34和泡沫发生器13的气体入口连接;其中,气体储罐24在冷箱23的内部;此外另有稠化剂罐30通过稠化剂栗31和第三单向阀32连接;第五阀25连接在制冷装置23内部的气体储罐24的进气管上,在气体储罐24的出气管上设有第一压力计28,在气栗29、第三单向阀32之间设有安全阀33,在第二预热器34和泡沫发生器13之间设有第二压力计35; [0007] The first cylinder 17 and second cylinder 18, respectively 19, 20 and a fourth valve connecting the third inlet purge valve 21, the outlet 21 of the purifier 22 passes through the flow meter, the refrigeration apparatus 23, the fifth valve 25, the sixth valve 26, gas 29 Li, third one-way valve 32, the second preheater 34 and the gas inlet 13 is connected to the foam generator; wherein the gas inside the tank 23 in the cold box 24; in addition the other there thickener tank 30 is connected by a thickening agent and the third one-way valve 31 Li 32; on the inside of the refrigeration apparatus 23 of the gas tank inlet pipe 24, outlet pipe 24 of the gas tank 25 is connected a fifth valve a first pressure gauge 28, 29 in the gas Li, the third check valve 33 is provided between the relief valve 32, between the second preheater 34 and the foam generator 13 is provided with a second pressure gauge 35;

[0008] 三组直径不同的第一直管37、第二直管41、第三直管45和盘管49并联,并联后的输入端和泡沫发生器13的出口连接,输出端通过第十六阀53和多级视窗56的入口连接,并联后的输出端还通过第十七阀54与垂直换热测试端58的入口连接,多级视窗56通过第十八阀57和垂直换热测试端58连接,垂直换热测试端58外连低温浴槽59;垂直换热测试端58与第十九阀61之间连有压力传感器60; [0008] The three different diameters of the first straight pipe 37, the second straight pipe 41, the third straight pipe 45 and the coil 49 in parallel, parallel outlet for the foam generator 13 and an input terminal connected to the output terminal through a tenth six inlet valve 53 and is connected to the multi-stage window 56, the output terminal of the seventeenth parallel inlet valve 54 through the vertical test terminal 58 is connected to the heat exchanger, the multi-stage window 56 through the valve 57 and the vertical heat eighteenth test end 58 is connected to the outer end 58 vertical test heat bath 59 is connected a low temperature; pressure sensor 60 is connected between the vertical end of the heat exchanger 58 and the nineteenth test valve 61;

[0009]其中: [0009] wherein:

[0010]第一直管37输入、输出端之间连接有第一差压传感器38,输入端还连接有第八阀36,输出端还连接有第九阀39; [0010] The first tube 37 has been input, a first differential pressure sensor 38 is connected between an output terminal, an eighth input terminal is also connected with a valve 36, also connected to the output terminal of the ninth valve 39;

[0011]第二直管41输入、输出端之间连接有第二差压传感器42,输入端还连接有第十阀40,输出端还连接有第i^一阀43; [0011] The second straight pipe 41 input is connected between the output terminal of the second differential pressure sensor 42, also connected to the input of a tenth valve 40, a first output terminal is also connected with a valve 43 i ^;

[0012]第三直管45输入、输出端之间连接有第三差压传感器46,输入端还连接有第十二阀44,输出端还连接有第十三阀47; [0012] The third input straight tube 45, a third differential pressure sensor 46 is connected between an output terminal, an input terminal is also connected with a twelfth valve 44 is also connected to the output terminal of a thirteenth valve 47;

[0013]盘管49输入端还连接有第十四阀48,输出端还连接有第十五阀50,第十四阀48输入端和盘管44输出端之间连接有第四差压传感器51; [0013] The coil 49 is also connected to an input terminal of a fourteenth valve 48, also connected to the output terminal of the fifteenth valve 50, a fourth differential pressure sensor connected between the input terminal 48 a fourteenth valve 44 and the coil output terminal 51;

[0014]泡沫发生器13输出端和直管并联后的输入端之间连接处连接有第一压力传感器52。 [0014] foam generator 13 is connected between the output terminal and the input terminal of the parallel straight tube connected with a first pressure sensor 52.

[0015]所述的支撑剂计量装置2采用地栗或者其它大的天平的仪器,带通讯接口,实现与计算机联网。 The proppant measurement [0015] device 2 according to Li or other instrument uses a large scale, with a communication interface, and computer networking.

[0016]所述的药灌5下端还可以设计放空阀门,方便排空和清洗,根据需要配加热装置,控制药罐中的温度。 [0016] The lower end 5 of the medicine filling vent valve may also be designed to facilitate emptying and cleaning, if necessary with heating means for controlling the temperature in the canister.

[0017]所述的温度计量装置6采用温度传感器,将数据传入计算机。 [0017] The metering device according to the temperature using a temperature sensor 6, the data into the computer.

[0018]所述的药液计量装置7采用地栗或者其它大的天平的仪器,带通讯接口,实现与计算机联网。 [0018] The liquid metering apparatus according to Li or other instrument uses large scale 7 with communication interface, and computer networking.

[0019]所述的药液栗9采用螺杆栗,带变频调节系统,可无极调节栗的流量,输送带有支撑剂的药液,但是螺杆栗很难实现高压,为了实现高压,建议一般采用柱塞栗。 [0019] The chemical liquid Li Li 9 using a screw with variable frequency control system, the stepless adjustment of the flow rate of Li, the conveyor belt has a liquid proppant, but difficult to achieve a high-pressure screw Li, in order to achieve high pressure, the general recommendations The plunger chestnut.

[0020]所述的第一预热器12、第二预热器34采用螺旋盘管式换热方式,并采用恒温水浴加热控温。 [0020] The first preheater 12, the second preheater 34 spiral coil type heat exchanger mode, and constant temperature water bath temperature.

[0021]所述的气栗29采用调频栗,最大工作压力尽量高,最好50MPa以上,从而可以模拟压裂施工时地层压力条件。 [0021] The gas employed FM Li Li 29, the maximum working pressure as high as possible, preferably 50MPa or more, which can simulate the formation fracturing pressure conditions.

[0022] 所述的出口分离器64采用封闭容器。 [0022] The outlet of separator 64 uses a closed container.

[0023]本发明的优点: [0023] The advantages of the present invention:

[0024] (I)药液设计有适时计量装置,可通过药液计量装置在线检测药液的注入量。 [0024] (I) timely design liquid metering device, the injection amount can be detected online by the chemical liquid metering device.

[0025] (2)本装置设计有加砂计量装置,可在线检测加砂量的多少,控制砂比,也可以根据实验需要选择是否添加支撑剂。 [0025] (2) This device is designed with a sand dosing device, the number line may be detected amount of sand, the sand ratio control, may be added if the proppant selected according to the experimental needs.

[0026] (3)药罐5设计有搅拌系统,可对各种药液及支撑剂进行搅拌,以防其沉降。 [0026] (3) Design of the canister 5 with a stirring system, a variety of liquid and proppants stirred to prevent it from settling.

[0027] (4)本装置设计有气体注入计量装置,可以根据需要选择注入气体种类和数量,通过金属管转子计量装置计量气体注入量,并能实现在线计量。 [0027] (4) The injection device is designed with a gas metering device, gas may be injected as necessary to select the type and quantity, the amount of the metal tube through the gas injection rotor weighing means, and measurement can be achieved online.

[0028] (5)固体推进器,可控制砂子推进速度,来控制加砂量的多少。 [0028] (5) a solid pusher, sand advancing speed can be controlled to control the amount of how much sand.

[0029] (6)本装置设计多种管径直管及一套螺旋盘管,可进行压裂液在不同管路直径,管路形状,不同温度、压力、剪切速率下的管流摩阻测量实验,可以根据需要,通过第一直管37、第二直管41、第三直管45、盘管49两端最近的阀门开关,灵活选择使用这4根管路中的某一条。 [0029] (6) This device is designed and a plurality of straight pipe spiral pipe coil, can be different fracturing fluid conduit diameter, conduit shape, different temperatures, pressures, flow friction tube at a shear rate of experimental measurements, as needed, by the first straight pipe 37, the second straight pipe 41, the third straight pipe 45, the coil ends 49 nearest the switch valve, the flexibility to use these four lines in a one.

[0030] (7)本装置设计有多级视窗56,可在线观察和测量支撑剂的携砂移动情况,以及在静压下砂子在管柱(管柱中设计有高度区间测量)中的沉降速度。 [0030] (7) The device is designed multiple stage window 56, can be observed and measured line carrying the proppant sand movement, as well as in column (column height in the design of the measurement interval) at the static pressure in the sand settling speed.

[0031] (9)本装置设计带有加热装置的药罐5、有第一预热器12、第二预热器34、垂直换热测试管,便于改变压裂液在管中的温度,研究它在不同温度下的特性。 [0031] (9) This device is designed with a heating means 5 of the canister, a first pre-heater 12, the second preheater 34, the test tube vertical heat exchanger, to facilitate changing the temperature of the fracturing fluid in the tube, it Study characteristics at different temperatures.

[0032] (10)本装置可以适用于测量常规冻胶压裂液、清水压裂液、二氧化碳泡沫压裂液、二氧化碳干法压裂液等多种压裂液体系在不同温度和压力下的流变特性、摩阻特性、携砂性能研究,还可以通过多级视窗观测支撑剂在压裂液中的悬浮状态。 [0032] (10) The present apparatus can be applied to measure a variety of conventional fracturing fluid gel fracturing fluids, fracturing fluids water, carbon dioxide foam fracturing fluid, fracturing fluid and other dry carbon dioxide at different temperatures and pressures rheological properties, friction characteristics, carrying sand performance studies, through multiple windows can also be observed in suspension in the proppant in the fracturing fluid. 其中:测量常规冻胶压裂液、清水压裂液有关特性时,可以将气体栗入部分支路关闭;测量二氧化碳泡沫压裂液、二氧化碳干法压裂液有关特性是才需要开启。 Wherein: measuring a conventional gel fracturing fluid, fracturing fluid when the water-related characteristics, into a portion of the gas may be Li branch off; measuring the carbon dioxide foam fracturing fluid, dry carbon dioxide fracturing fluid properties is only need to turn about.

[0033] (11)如果仅仅测量各种压裂液有关摩阻特性,可以不添加支撑剂,也可将第十六阀53、第十八阀57关闭;只有需要观测压裂液悬沙特性的时候,才将多级视窗56所在的第十六阀53、第十八阀57开启。 [0033] (11) If only the friction characteristics of various measurements related to the fracturing fluid, the proppant may not be added, valve 53 may also be sixteenth, eighteenth valve 57 closed; only requires observation of fracturing fluid suspension Saudi when only the sixteenth valve located multistage window 5653, an eighteenth valve 57 opened.

附图说明 BRIEF DESCRIPTION

[0034]附图为本发明的结构示意图。 [0034] BRIEF structural diagram of the present invention.

具体实施方式 Detailed ways

[0035]下面结合附图对本发明做详细描述。 [0035] The following figures present a detailed description of the invention bind.

[0036]参照附图,一种大型多功能压裂液实验系统,包括固体推进器1,固体推进器I上面为漏斗的结构可盛放支撑剂,固体推进器I用于支撑剂的推进,固体推进器I通过支撑剂计量装置2衔接在药罐5的进口管路上,并与之密封,支撑剂推进速度由支撑剂计量装置2测量并调节和采集;支撑剂计量装置2采用地栗或者其它类似大的天平的仪器均可,带通讯接口,实现与计算机联网;药罐5的顶部通过过滤器4和药液搅拌器3连接,药液搅拌器3可以搅拌药业中的支撑剂防止沉淀,过滤器4可以过滤药液中大的杂质;药罐5用来盛放配好的药液,5下端还设计有放空阀门,方便排空和清洗,可以根据需要配加热装置,控制药罐中的温度;药罐5的侧壁设有温度计量装置6,可以计量药罐5中的药液温度,采用温度传感器,可将数据传入计算机;药罐5的底部设有药液计量装置7, [0036] Referring to the drawings, a large, multi-purpose experimental system fracturing fluid, comprising a solid propellant 1, a solid pusher funnel structure I above can hold the proppant, I pusher for advancing solid proppant, I pusher solid support by engagement means 2 in metered inlet piping 5 of the canister, and with the seal, the proppant advance speed supported by a metered dose measuring means 2 and adjustment and acquisition; proppant to use metering device 2 or Li other similar instruments may be large scale, with a communication interface, and computer networking; the top of the canister 5 through the filter 4 is connected to the stirrer 3 and the liquid, the chemical liquid 3 can be stirred with a stirrer in preventing proppant Pharmaceutical the precipitate was filtered liquid filter 4 may be large impurities; 5 canister for containing liquid with a good, 5 is also designed with lower vent valve to facilitate emptying and cleaning, may be provided with heating means if necessary, controlled drug the temperature of the tank; the side wall of the canister 5 is provided with a temperature measurement means 6, the liquid temperature can be measured in the canister 5, using a temperature sensor, the incoming data may be a computer; with chemical metering bottom of the canister 5 means 7, 液计量装置7采用地栗或者其大的天平的仪器均可,带通讯接口,可实现与计算机联网;药罐5的输出管依次通过第一阀8、药液栗9、第一单向阀10、第二阀11、第一预热器12和泡沫发生器13的药液入口连接,药液栗9可以采用螺杆栗,带变频调节系统,可无极调节栗的流量,可以输送带有支撑剂的药液,第一预热器12,用于药液注入前的预热,控制温度,采用螺旋盘管式换热方式,并采用恒温油浴加热控温;根据需要也可采用其它可行的方式;泡沫发生器13,它的作用:测试CO2泡沫压裂液时,用于形成泡沫,并控制泡沫始终以恒定的流量注入。 Fluid metering device employed to 7 Li or a large scale instrument can, with a communication interface, enabling the computer network; canister outlet tube 5 passes through the first valve 8, 9 liquid Li, the first check valve 10, the second valve 11, a first preheater 12 and the liquid inlet 13 is connected to the foam generator, chemical Li Li screw 9 can be used with variable frequency control system, infinitely adjustable flow chestnut, a support belt can chemical agents, a first preheater 12 for preheating the liquid prior to injection, temperature control, coil type heat exchanger spiral manner, and heated in oil bath temperature employed; required may take other possible manner; bubble generator 13, it does: CO2 test foam fracturing fluid for forming a foam, and the foam control always at a constant flow rate of injection. 此外另有稠化剂罐30通过稠化剂栗31、第三单向阀32、第二预热器34和泡沫发生器13的气体入口连接。 Further another thickener tank 30 through Li thickener 31, third one-way valve 32, the second preheater 34 and the gas inlet 13 is connected to the foam generator.

[0037] 第二气瓶17、第一气瓶18分别通过第三阀19、第四阀20和净化器21的入口连接,净化器21的出口依次通过流量计22、制冷装置23、气栗29、第三单向阀32、第二预热器34和泡沫发生器13的气体入口连接,其中,气体储罐24在冷箱23的内部;此外另有稠化剂罐30通过稠化剂栗31和第三单向阀32连接;第五阀25连接在制冷装置23内部的气体储罐24的进气管上,在气体储罐24的出气管上设有第一压力计28,在气栗29、第三单向阀32之间设有安全阀33,在第二预热器34和泡沫发生器13之间设有第二压力计35。 [0037] 17 second cylinders, the first cylinder 18, respectively 19, 20 and a fourth valve connecting the third inlet purge valve 21, the outlet 21 of the cleaner 22 turn, the refrigerating apparatus 23 by a flow meter, gas Li 29, third one-way valve 32, the second preheater 34 and the gas inlet 13 is connected to the foam generator, wherein the gas inside the tank 23 in the cold box 24; in addition to another thickener tank 30 through a thickener Li one-way valve 31 and the third connector 32; fifth valve 25 is connected on the interior of the refrigeration apparatus 23 of the gas storage tank intake pipe 24, a first pressure gauge 28 is provided on the outlet pipe 24 of the gas tank, in the gas Li 29, the relief valve 33 is provided between the third check valve 32, between the second preheater 34 and the foam generator 13 is provided with a second pressure gauge 35.

[0038]第一气瓶17、第二气瓶18提前预设接口,可以根据需要,改变连接钢瓶数量和气体种类,一般用到较多的是二氧化碳(有时可能会用到氮气);由于目前市场上的气体中含有油类物质等,必须经过净化器21的过滤,去除杂质;流量计21,根据需要选择,采用金属管浮子流量计,可以选择带二次仪表,可显示瞬时流量,又可显示累积流量,主要用于计量流量大小;制冷装置23作用是改变气瓶出来的气体(只要是CO2)的温度,从而使它由气态变为液态,主要由全封闭制冷压缩机、装有螺旋式盘管的冷箱、温度控制器和管阀件等组成,冷箱装有制冷温度自动控制系统,可根据需要设定制冷所需温度,冷箱分为内胆、保温层、盘管及不锈钢装饰层,采用易开易拆结构,便于拆卸清洗,气体储罐24起储存和缓冲作用,在制冷装置20的内部,从而保持较低温度,使气体 [0038] The first cylinder 17 and second cylinder 18 interfaces preset in advance, as needed, to change the number of cylinders connected to the gas species and, more generally used is carbon dioxide (sometimes nitrogen may be used); due to the current on the market containing gas oils, etc., must pass through the filter 21 of the purifier to remove impurities; flowmeter 21, need to select, using the metal tube, can be selected with a secondary instrument, can display instantaneous flow, and It shows the cumulative flow, primarily used to measure traffic volume; the role of the refrigeration apparatus 23 is to change out a gas cylinder (as long as CO2) temperature, so that it becomes gaseous liquid, mainly closed refrigeration compressors, with cold box spiral coil, and a temperature controller valve member and other components, cooling the cold box with automatic temperature control system, the desired cooling temperature may be set as needed, into the cold box liner, insulation, coil and stainless steel decorative layer, use of easy open frangible construction, easy to disassemble and clean, since the gas storage tank 24 and the buffer, in the interior of the refrigeration apparatus 20, thereby maintaining a lower temperature, the gas (主要指CO2)保持在液态,满足实验需要;气栗29采用调频栗,参数可选,最大工作压力可以尽量高,最好50MPa以上,主要用于流体CO2的传输,栗29的参数也可以根据需要修改。 (Mainly CO2) held in the liquid meets the test requirements; gas using 29 FM Li Li, optional parameters, the maximum working pressure may be as high as possible, preferably 50MPa or more, and is mainly used for transmission of CO2 fluid, the parameters 29 may be Li need to be modified according to.

[0039] 三组直径不同的第一直管37、第二直管41、第三直管45和盘管49并联,并联后的输入端和泡沫发生器13的出口连接,输出端通过第十六阀53和多级视窗56的入口连接,并联后的输出端还通过第十七阀54与垂直换热测试端58的入口连接,多级视窗56通过第十八阀57和垂直换热测试端58连接,垂直换热测试端58外连低温浴槽59;垂直换热测试端58与第十九阀61之间连有压力传感器60; [0039] The three different diameters of the first straight pipe 37, the second straight pipe 41, the third straight pipe 45 and the coil 49 in parallel, parallel outlet for the foam generator 13 and an input terminal connected to the output terminal through a tenth six inlet valve 53 and is connected to the multi-stage window 56, the output terminal of the seventeenth parallel inlet valve 54 through the vertical test terminal 58 is connected to the heat exchanger, the multi-stage window 56 through the valve 57 and the vertical heat eighteenth test end 58 is connected to the outer end 58 vertical test heat bath 59 is connected a low temperature; pressure sensor 60 is connected between the vertical end of the heat exchanger 58 and the nineteenth test valve 61;

[0040]其中: [0040] wherein:

[0041]第一直管37输入、输出端之间连接有第一差压传感器38,输入端还连接有第八阀36,输出端还连接有第九阀39; [0041] The first tube 37 has been input, a first differential pressure sensor 38 is connected between an output terminal, an eighth input terminal is also connected with a valve 36, also connected to the output terminal of the ninth valve 39;

[0042]第二直管41输入、输出端之间连接有第二差压传感器42,输入端还连接有第十阀40,输出端还连接有第i^一阀43; [0042] The second direct input 41 is connected between the output terminal of the second differential pressure sensor 42, also connected to the input of a tenth valve 40, a first output terminal is also connected with a valve 43 i ^;

[0043]第三直管45输入、输出端之间连接有第三差压传感器46,输入端还连接有第十二阀44,输出端还连接有第十三阀47; [0043] The input of the third straight pipe 45, a third differential pressure sensor 46 is connected between an output terminal, an input terminal is also connected with a twelfth valve 44 is also connected to the output terminal of a thirteenth valve 47;

[0044]盘管49输入端还连接有第十四阀48,输出端还连接有第十五阀50,第十四阀48输入端和盘管44输出端之间连接有第四差压传感器51; [0044] The coil 49 is also connected to an input terminal of a fourteenth valve 48, also connected to the output terminal of the fifteenth valve 50, a fourth differential pressure sensor connected between the input terminal 48 a fourteenth valve 44 and the coil output terminal 51;

[0045]泡沫发生器13输出端和直管并联后的输入端之间连接处连接有第一压力传感器52。 [0045] The foam generator 13 is connected between the output terminal and the input terminal of the parallel straight tube connected with a first pressure sensor 52.

[0046]以上部分可以根据需要,以及测量压裂液的种类,选择开启有关阀门,和栗,来调节通过泡沫发生器13的气体,压裂液,支撑剂稠化剂,起泡剂的种类和量的多少。 [0046] The above moiety may be required, and the type of fracturing fluid measured, turn on the selection valves, and Li, the kind of the gas is adjusted through the foam generator 13, fracturing fluid, the proppant thickening agents, blowing agents and how much amount.

[0047]带有垂直换热测试端的直管58,用于测量直管入口、出口温度值,比较进出口温度变化,同时测量制冷液进入冷却夹套的入口和出口的温度变化,通过一定公式处理得出压裂液的流变特性,数量4套;低温浴槽59主要用于对直管内的流体进行制冷,使热流体向冷流体转变,多级视窗56用于压裂液携砂时观测在不同温度、压力、砂比、颗粒粒径下管流实验,可以实现对动态流动过程中的携砂压裂液的临界沉降速度、临界沉积速度以及支撑剂在管流中的流态的判定,通过在垂直管柱一定位置设计视窗、光电检测进行位置区间测量,同时将支撑剂引入示踪剂测量,使支撑剂移动位置清晰,方便测量,可以在多级视窗56旁边加装图像摄像系统,例如:采用数码摄像机采集图像;出口分离器64采用封闭容器,主要用于实验结束时管路中物质的分离,通常气体在上 [0047] The testing end of the heat exchanger with vertical straight tubes 58, an inlet tube for measuring the straight outlet temperature, inlet and outlet temperature change comparison, while measuring the temperature change of the cooling fluid into the inlet and outlet of the cooling jacket, through a certain formula treatment fracturing fluid rheological properties obtained, the number of sets 4; 59 mainly used for a low temperature bath fluid within the straight pipe for cooling the hot fluid to the cold fluid transition observed when carrying sand fracturing fluid 56 for multi-level windows at different temperatures, pressures, sand ratio, particle diameter pipe flow experiments, can achieve the critical carrying sand settling rate of the fracturing fluid dynamic flow process, deposition rate and proppant critical flow regime in the pipe flow is determined , the measurement interval in the vertical position of the column by a certain design window position, a photodetector, while the proppant introduced into the measuring tracer, the supporting position of the mobile agent clear, easy measurement system can be installed next to the image capturing window 56 multilevel , for example: using a digital camera to capture images; outlet of the separator 64 using a closed vessel, for separating the main pipe at the end of the experiment materials, typically on the gas 部,液体、固体在下部。 Portion, liquid, solid in the lower portion.

[0048]此外,本设备还有数据采集处理功能,实现计算机操作:数据采集系统包括压力、温度、流量、质量(地镑)、图像、位移等,为了保证测量精度和控制的可靠性,采用进口Μ0Χ,C168H数字采集控制卡,从而实现数字化采集传输。 [0048] Further, the present apparatus also data acquisition and processing functions, and computer operation: data acquisition systems include pressure, temperature, flow, mass (the pound), image displacement, in order to ensure the accuracy and reliability of control, using import Μ0Χ, C168H digital acquisition and control card, enabling digital acquisition and transmission.

[0049]计算机采集的数据经处理可生成原始数据报表,分析报表以及曲线图,同时生成数据库文件格式以便用户灵活使用。 [0049] Data collected by the computer may be processed to generate raw data reports, analysis reports and graphs while generating database file format for the user with flexibility.

[0050]本发明的工作原理为: [0050] The working principle of the present invention are:

[0051]固体推进器I将支撑剂加入到药罐5,支撑剂计量装置2可以称量加入支撑剂的多少,药液搅拌器3防止支撑剂沉淀,此外,它还配有加热装置,可以控制温度,药液栗9采连带支撑剂一同注入管路流动测量。 [0051] The solid support pusher I is added to the canister 5, the supporting means 2 can be metered addition of the weighing how much proppant, the proppant chemical precipitation preventing agitator 3, in addition, it is equipped with a heating means, it can be controlling the temperature, chemical Li 9 taken together with the associated injection line proppant flow measurements.

[0052]第一气瓶丨7、第二气瓶18受第三阀19、第四阀20控制,数量可以灵活接入,气体种类可以根据需要选择加入,一般为C02(有时可能用到N2)气体依次流经净化器21、流量计22、制冷装置23,进入气体储罐24,之后经过气栗29将气体经过第三单向阀32打入泡沫发生器13和药液混合进入管路,之后进入不同管径的直管第一直管37、第二直管41、第三直管45,测量管径对压裂液摩阻的影响,或者进入盘管49用于测量摩阻,这4组管两端都连接有压差传感器,在测量摩阻时,用于测量直管或者盘管两端压差大小,这4组管两端都安装有阀门,实验时,可以通过这几组阀门开关,可以选择性开启一路,垂直换热测试端58和低温浴槽59起到调节管路液体温度的作用,多级视窗56可以观测支撑剂在压裂液中的悬浮状态,之后进入药液栗9进行循环可以测量摩阻,或者实验结束时 [0052] Shu a first cylinder 7, the second cylinder 18 by the third valve 19, the fourth control valve 20, flexible access number may, selected gas species may be added as necessary, typically C02 (N2 sometimes used ) sequentially flows through the gas purifier 21, flow meter 22, the refrigeration apparatus 23, into the gas storage tank 24, the gas after the gas passes through the Li 29 third check valve 13 and the foam generator 32 mixed into the liquid inlet pipe after entering the different diameters of the first straight tube straight tube 37, the second straight pipe 41, the third straight pipe 45, measure the effect of pipe diameter on the friction of the fracturing fluid, or into the coil 49 for measuring friction, this set of ends of the tube 4 are connected to a differential pressure sensor, when measuring friction, or a straight tube for measuring the size of the pressure at both ends of the coil, both ends of the tube 4 groups is attached to the valve, the experiment, it can valve switch groups, can selectively opening the way, the vertical heat exchanger 58 and the low temperature bath test terminal 59 functions as a temperature regulating fluid conduit, window 56 can be observed multistage suspension proppant in the fracturing fluid, after entering the when the liquid 9 is circulated Li friction may be measured, or the end of the experiment 入出口分离器64。 Outlet 64 into the separator.

[0053]测量各种压裂液在不同温度下的流变特性主要是通过细管粘度计的原理进行测量、摩阻特性主要是通过选择通过几组不同管路压差来测量、携砂性能研究还可以通过多级视窗观测观测支撑剂在压裂液中的悬浮状态。 [0053] The rheological properties to measure various fracturing fluids at different temperatures is mainly measured by the principle of the thin tube viscometer, friction characteristics are measured mainly by selecting different sets line pressure by, sand-carrying performance Research may also be a multi-stage suspension by observing the observation window proppant in the fracturing fluid.

Claims (7)

1.一种大型多功能压裂液实验系统,包括固体推进器(I),其特征在于:它上面为漏斗的结构,固体推进器(I)通过支撑剂计量装置(2)衔接在药罐(5)的进口管路上,并与之密封;药罐(5)的顶部通过过滤器(4)和药液搅拌器(3)连接,药罐(5)用来盛放配好的药液,它带有给药液加热功能,在它的侧壁设有温度计量装置(6),药罐(5)的底部设有药液计量装置(7),药罐(5)的输出管依次通过第一阀(8)、药液栗(9)、第一单向阀(10)、第二阀11、第一预热器(12)和泡沫发生器(13)的药液入口连接,起泡剂罐(14)通过起泡栗(15)、第二单向阀(16)与泡沫发生器(13)连接; 第一气瓶(I7)、第二气瓶(I8)分别通过第三阀(19)、第四阀(20)和净化器(21)的入口连接,净化器(21)的出口依次通过流量计(22)、制冷装置(23)、第五阀(25)、第六阀(26)、气栗(29)、第三单向阀(32)、第二预热器(34)和泡沫发生器(13)的气 A large multi-purpose experimental system fracturing fluid, comprising a solid pusher (I), characterized by: a funnel structure above it, a solid pusher (I) metered by the support means (2) in the canister engagement (5) the inlet pipeline and sealed thereto; the top of the canister (5) is connected through a filter (4) and a liquid mixer (3), the canister (5) for holding liquid with a good it is heated with a chemical functionality on its side wall provided with a temperature measurement means (6), the bottom of the canister (5) is provided with a liquid metering device (7), the canister (5) are sequentially output pipe through the first valve (8), chestnut liquid (9), a first one-way valve (10), a second valve 11, the first pre-heater (12) and a foam generator (13) connected to the liquid inlet, a foaming agent tank (14), a second one-way valve (16) with a foam generator (13) connected by bubbling Li (15); a first cylinder (I7), a second cylinder (I8) respectively of three-valve (19), a fourth valve (20) and the cleaner (21) connected to the inlet, outlet cleaner (21) passes through the flow meter (22), the refrigeration apparatus (23), a fifth valve (25), sixth valve (26), chestnut gas (29), third one-way valve (32), a second preheater (34) and a foam generator (13) gas 体入口连接;其中,气体储罐(24)在冷箱(23)的内部;此外另有稠化剂罐(30)通过稠化剂栗(31)和第三单向阀(32)连接;第五阀(25)连接在制冷装置(23)内部的气体储罐(24)的进气管上,在气体储罐(24)的出气管上设有第一压力计(28),在气栗(29)、第三单向阀(32)之间设有安全阀(33),在第二预热器(34)和泡沫发生器(13)之间设有第二压力计(35); 三组直径不同的第一直管(37)、第二直管(41)、第三直管(45)和盘管(49)并联,并联后的输入端和泡沫发生器(13)的出口连接,输出端通过第十六阀(53)和多级视窗(56)的入口连接,并联后的输出端还通过第十七阀(54)与垂直换热测试端(58)的入口连接,多级视窗(56)通过第十八阀(57)和垂直换热测试端(58)连接,垂直换热测试端(58)外连低温浴槽(59);垂直换热测试端(58)与第十九阀(61)之间连有压力传感器(60); 其中:第一直管(37)输入、输出端之间连接有 Inlet connected; wherein the gas storage tank (24) inside the cold box (23); a thickener in addition to another tank (30) by Li thickener (31) and the third one-way valve (32); a fifth valve (25) is connected to the refrigeration apparatus (23) inside the gas reservoir (24) of the intake pipe, a first pressure gauge (28), the gas in the gas reservoir in the Li (24) of the pipe (29), provided with a safety valve (33) between the third check valve (32), provided with a second pressure gauge (35) between the second pre-heater (34) and a foam generator (13); three different diameters of straight pipe section (37), a second straight tube (41), a third straight outlet pipe (45) and a coil (49) in parallel, and the parallel input of the foam generator (13) connection, a sixteenth output end by a valve (53) and multi-stage window (56) is connected, the output terminal of the parallel connection is also connected to the vertical inlet end of the test the heat exchanger (58) by a seventeenth valve (54), (56) by an eighteenth valve (57) and an end vertical multistage heat test window (58) is connected, outside the vertical heat test terminal (58) is connected a low temperature bath (59); a vertical heat transfer test terminal (58) and even the pressure sensor (60) between a nineteenth valve (61); wherein: the straight pipe section (37) is connected between the inputs and outputs have 第一差压传感器(38),输入端还连接有第八阀(36),输出端还连接有第九阀(39); 第二直管(41)输入、输出端之间连接有第二差压传感器(42),输入端还连接有第十阀(40),输出端还连接有第i^一阀(43); 第三直管(45)输入、输出端之间连接有第三差压传感器(46),输入端还连接有第十二阀(44),输出端还连接有第十三阀(47); 盘管(49)输入端还连接有第十四阀(48),输出端还连接有第十五阀(50),第十四阀(48)输入端和盘管(44)输出端之间连接有第四差压传感器(51); 泡沫发生器(13)输出端和直管并联后的输入端之间连接处连接有第一压力传感器(52); 所述的支撑剂计量装置(2)采用地镑,带通讯接口,实现与计算机联网; 所述的药灌(5)下端设计放空阀门,方便排空和清洗,配加热装置,控制药罐中的温度。 A first differential pressure sensor (38), an input terminal is also connected to an eighth valve (36), a ninth output terminal is also connected with a valve (39); connecting between a second (41) input and output of the second straight pipe differential pressure sensor (42), also connected to the input of a tenth valve (40), also connected to the output terminal of the i ^ a valve (43); a third straight pipe between the third (45) input, an output terminal connected differential pressure sensor (46), also connected to the input of a twelfth valve (44), also connected to the output terminal of a thirteenth valve (47); input coil (49) is also connected with a fourteenth valve (48) output terminal is also connected with the fifteenth valve (50), a fourteenth valve (48) and a fourth differential pressure sensor (51) between (44) input terminal and an output terminal connected to the coil; foam generator (13) and an output terminal connected to a straight pipe connected between the input terminal of the parallel connection with a first pressure sensor (52); proppant said metering device (2) uses the pound with communication interface, computer networking; the drug filling (5) lower vent valve designed to facilitate emptying and cleaning, with the heating means, the temperature control in the canister.
2.根据权利要求1所述的一种大型多功能压裂液实验系统,其特征在于:所述的温度计量装置(6)采用温度传感器,将数据传入计算机。 A large multi-purpose experimental system of the fracturing fluid according to claim 1, wherein: said temperature measurement means (6) using a temperature sensor, the data into the computer.
3.根据权利要求1所述的一种大型多功能压裂液实验系统,其特征在于:所述的药液计量装置(7)采用地镑,带通讯接口,实现与计算机联网。 A large multi-purpose experimental system of the fracturing fluid according to claim 1, wherein: said liquid metering means (7) uses the pound with communication interface, and computer networking.
4.根据权利要求1所述的一种大型多功能压裂液实验系统,其特征在于:所述的药液栗(9)米用柱塞栗D The fracturing fluid a large, multi-purpose experimental system according to claim 1, wherein: said Li chemical liquid (9) with a plunger Li m D
5.根据权利要求1所述的一种大型多功能压裂液实验系统,其特征在于:所述的第一预热器(12)、第二预热器(34)采用螺旋盘管式换热方式,并采用恒温水浴加热控温。 The fracturing fluid a large, multi-purpose experimental system according to claim 1, wherein: said first pre-heater (12), a second preheater (34) spiral coil transducers thermally, and the constant temperature water bath temperature.
6.根据权利要求1所述的一种大型多功能压裂液实验系统,其特征在于:所述的气栗(29)采用调频栗,调频栗的最大工作压力在50MPa以上,从而模拟压裂施工时地层压力条件。 A large multi-purpose experimental system of the fracturing fluid according to claim 1, wherein: said gas chestnut (29) using frequency modulation Li, the maximum working pressure of 50MPa or more FM Li, simulating fracturing construction of formation pressure conditions.
7.根据权利要求1所述的一种大型多功能压裂液实验系统,其特征在于:所述的出口分离器(64)采用封闭容器。 A large multi-purpose experimental system of the fracturing fluid according to claim 1, wherein: said separator outlet (64) using a closed vessel.
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