CN109507081A - The synchronized measurement system and method for matrix imbibition and the displacement of reservoir oil - Google Patents
The synchronized measurement system and method for matrix imbibition and the displacement of reservoir oil Download PDFInfo
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- 238000005213 imbibition Methods 0.000 title claims abstract description 217
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- 239000011159 matrix material Substances 0.000 title claims abstract description 22
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- 239000011435 rock Substances 0.000 claims description 8
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Abstract
本发明公开了一种基质渗吸与驱油的同步测量系统及方法，该系统包括：称量装置、液体温控装置、数据处理装置。其中，液体温控装置与称量装置连接，数据处理装置分别与称量装置和液体温控装置连接。运用本系统，可以通过改变实验温度，来精确研究不同温度下致密油岩心渗吸的质量随时间的变化规律及渗吸驱油的效率。一方面，通过实验得到的致密油岩心渗吸的质量变化规律预测致密油储层的孔隙发育和连通情况，并评价致密油储层的物理特性。另一方面，通过实验得到的渗吸驱油的效率，可以为大规模体积压裂技术优化以及压裂液性能的评价等提供理论支撑和指导，从而有利于致密油储层的开采开发，以满足人们对能源的需求。
The invention discloses a synchronous measurement system and method for matrix imbibition and oil displacement. The system includes a weighing device, a liquid temperature control device and a data processing device. Wherein, the liquid temperature control device is connected with the weighing device, and the data processing device is respectively connected with the weighing device and the liquid temperature control device. Using this system, the variation law of imbibition quality of tight oil cores with time and the efficiency of imbibition and oil displacement can be accurately studied by changing the experimental temperature. On the one hand, the quality change law of imbibition in tight oil cores obtained by experiments predicts the development and connectivity of pores in tight oil reservoirs, and evaluates the physical properties of tight oil reservoirs. On the other hand, the efficiency of imbibition and oil displacement obtained through experiments can provide theoretical support and guidance for the optimization of large-scale volume fracturing technology and the evaluation of fracturing fluid performance, which is beneficial to the exploitation and development of tight oil reservoirs. meet people's energy needs.
Description
技术领域technical field
本发明涉及油气储层的研究领域，尤其涉及一种基质渗吸与驱油的同步测量系统及方法。The invention relates to the research field of oil and gas reservoirs, in particular to a synchronous measurement system and method for matrix imbibition and oil displacement.
背景技术Background technique
目前，常规油气资源的开发已不能满足人们对能源的需求，而非常规油气资源(致密油、致密气、页岩气等)的有效开采能够缓解此问题。我国致密油的开发起步较晚，大规模体积压裂是致密油开发的关键技术，压裂液渗吸进入基质能够驱替油气，提高油气的产量和采收率。与常规储层不同，致密油储层基质渗吸驱油的研究尤为关键。因为大量的油气存储于基质孔隙中，致密油储层具有微-纳米级孔隙，部分属于小孔细喉型，具有很强的毛管力作用，较强的自发渗吸能力。致密油储层微观特征差异很大，而自发渗吸的特征可以识别差异，可用来评价储层的品质。此外，致密油储层的层理较发育、微观非均质性较强，层理不仅是压裂过程中液体进入储层的通道，更是压后开井油气产出的主要通道，不同井之间或同一口井不同层段之间的层理对渗吸驱油的作用需要分区评价。致密油储层大规模体积压裂初期，压裂液主要分布在裂缝系统内，随着时间的进行，压裂液在毛管力及渗透压作用下进入基质并逐渐向深部扩散，由于同向自发渗吸或逆向自发渗吸物理过程的存在，油气被渗吸的压裂液驱至裂缝中，这一过程伴随着致密油气的产出。At present, the development of conventional oil and gas resources can no longer meet people's demand for energy, and the effective exploitation of unconventional oil and gas resources (tight oil, tight gas, shale gas, etc.) can alleviate this problem. The development of tight oil in my country started late, and large-scale volume fracturing is the key technology for tight oil development. The imbibition of fracturing fluid into the matrix can displace oil and gas and improve oil and gas production and recovery. Different from conventional reservoirs, the study of matrix imbibition and oil displacement in tight oil reservoirs is particularly critical. Because a large amount of oil and gas is stored in matrix pores, tight oil reservoirs have micro-nano-scale pores, some of which are small pores and thin throats, which have strong capillary force and strong spontaneous imbibition ability. The microscopic characteristics of tight oil reservoirs vary greatly, and the characteristics of spontaneous imbibition can identify differences and can be used to evaluate the quality of the reservoir. In addition, the bedding of tight oil reservoirs is relatively developed and has strong microscopic heterogeneity. Bedding is not only the channel for liquid to enter the reservoir during the fracturing process, but also the main channel for oil and gas production after fracturing. The effect of bedding on imbibition and oil displacement between different layers of the same well or between different intervals of the same well needs to be evaluated in different regions. In the initial stage of large-scale volume fracturing of tight oil reservoirs, the fracturing fluid is mainly distributed in the fracture system. As time goes on, the fracturing fluid enters the matrix under the action of capillary force and osmotic pressure and gradually spreads to the deep. In the presence of imbibition or reverse spontaneous imbibition physical process, oil and gas are driven into fractures by imbibed fracturing fluid, and this process is accompanied by the production of tight oil and gas.
室内实验和地下致密油储层的温度和压力差异较大，进行室内渗吸实验时所加的围压或孔隙压力以及温度对渗吸速率和驱油效率影响显著，但是压力及温度对渗吸驱油效率的影响并不能得知。The temperature and pressure of the laboratory experiment and the underground tight oil reservoir are quite different. The confining pressure or pore pressure and temperature added during the laboratory imbibition experiment have a significant impact on the imbibition rate and oil displacement efficiency, but the pressure and temperature have a significant impact on imbibition. The effect of oil displacement efficiency is not known.
而现有的一种对致密油储层进行研究的方法中，在天平上搭建一个放置渗吸液容器的托架，把装有渗吸液的烧杯放置在托架上，托架不与天平的称量系统接触。一个悬挂岩样的支架，将制备合格的岩样使用防水细线悬挂在支架上，支架的底座放置在天平上。开启天平及数据记录系统，将悬挂在支架上的岩样完全浸没在烧杯中的渗吸液中，实时监测渗吸质量的变化情况。进行数据处理和分析，得出岩心的渗吸能力和渗吸速率等评价参数，为压裂设计提供参考和理论依据。该方法的缺点一为，将岩心全部没入渗吸液之后，称量天平只能记录岩心渗吸的质量随时间的变化，但是渗吸过程和增能驱油过程是同步的，不能监测渗吸增能驱替油的质量随时间的变化。缺点二为，温度是影响渗吸增能驱油的重要因素之一，将渗吸液完全暴露在室温下，无法研究温度对渗吸过程及其驱油效率的影响，温度不能得到控制。In an existing method for studying tight oil reservoirs, a bracket for placing the imbibition liquid container is built on the balance, and the beaker containing the imbibition liquid is placed on the bracket, and the bracket is not connected to the balance. contact with the weighing system. A support for hanging rock samples, the prepared rock samples are hung on the support with waterproof thin wires, and the base of the support is placed on the balance. Turn on the balance and data recording system, completely immerse the rock sample suspended on the support in the imbibition liquid in the beaker, and monitor the change of imbibition quality in real time. Data processing and analysis are performed to obtain evaluation parameters such as core imbibition capacity and imbibition rate, which provide reference and theoretical basis for fracturing design. The first disadvantage of this method is that after the core is completely immersed in the imbibition liquid, the weighing balance can only record the change of the core imbibition quality with time, but the imbibition process and the energy-enhancing oil displacement process are synchronized, and the seepage cannot be monitored. Changes in the quality of the absorbing and boosting displacement oil over time. The second disadvantage is that temperature is one of the important factors affecting imbibition and oil displacement. The imbibition liquid is completely exposed to room temperature, so the effect of temperature on imbibition process and oil displacement efficiency cannot be studied, and temperature cannot be controlled.
另一种对致密油储层进行研究的方法中，将岩心饱和油后装入渗吸瓶并使其完全浸没在渗吸液中，随着岩心在毛管力作用下不断的吸液，孔隙中的油被排出。当油离开岩心表面的时候，由于油水的密度差，油滴逐渐在水中往渗吸瓶口处移动，渗吸瓶口细管上的刻度能够读出排出油的体积，将饱和油的体积和渗吸出油的体积代入渗吸驱油效率公式中，可计算出渗吸驱油效率，以对表活剂、渗吸液的性能、岩心的物性进行评估。该方法的缺点一为，加工完备的岩心直接放入渗吸瓶中无法与天平接触，故不能连续记录渗吸液量随时间的变化，因此不能反映致密油岩心渗吸的特征。缺点二为，渗吸瓶通常置于室温条件下，而温度对岩心的自发渗吸驱油影响显著，温度不能被控制将导致数据的偏差，也无法探究温度对渗吸驱油效率的影响。In another method of studying tight oil reservoirs, the core is saturated with oil and then filled into an imbibition bottle and completely immersed in imbibition fluid. oil is drained. When the oil leaves the core surface, due to the density difference between the oil and water, the oil droplets gradually move in the water to the mouth of the imbibition bottle. The volume of imbibed oil is substituted into the imbibition oil displacement efficiency formula, and the imbibition oil displacement efficiency can be calculated to evaluate the performance of surfactants, imbibition fluid, and physical properties of cores. The first disadvantage of this method is that the core that has been processed is directly placed in the imbibition bottle and cannot be in contact with the balance, so it cannot continuously record the change of imbibition volume with time, so it cannot reflect the imbibition characteristics of tight oil cores. The second disadvantage is that the imbibition bottle is usually placed at room temperature, and the temperature has a significant effect on the spontaneous imbibition and oil displacement of the core. If the temperature cannot be controlled, the data will be biased, and the effect of temperature on the imbibition and oil displacement efficiency cannot be explored.
发明内容SUMMARY OF THE INVENTION
有鉴于此，本发明实施例提供了一种基质渗吸与驱油的同步测量系统及方法，用来研究致密油储层渗吸的质量变化规律以及探究温度对渗吸驱油效率的影响。In view of this, the embodiments of the present invention provide a simultaneous measurement system and method for matrix imbibition and oil displacement, which are used to study the quality change law of imbibition in tight oil reservoirs and to explore the influence of temperature on imbibition and oil displacement efficiency.
第一方面，本发明实施例提供了一种基质渗吸与驱油的同步测量系统，包括：In a first aspect, the embodiment of the present invention provides a synchronous measurement system for matrix imbibition and oil displacement, including:
称量装置、液体温控装置、数据处理装置；其中，Weighing device, liquid temperature control device, data processing device; wherein,
所述液体温控装置与所述称量装置连接；The liquid temperature control device is connected with the weighing device;
所述数据处理装置分别与所述称量装置和所述液体温控装置连接；The data processing device is respectively connected with the weighing device and the liquid temperature control device;
所述称量装置，用于测量饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据，并将所述饱和原油的岩心被放入渗吸液后质量的变化数据和所述被渗吸液驱替出的原油体积数据发送给所述数据处理装置；The weighing device is used to measure the quality change data after the core of saturated crude oil is put into imbibition liquid and the volume data of crude oil displaced by imbibition liquid, and the core of saturated crude oil is put into imbibition liquid The change data of the post-liquid quality and the volume data of the crude oil displaced by the imbibed liquid are sent to the data processing device;
所述液体温控装置，用于测量所述渗吸液的温度数据，以及使所述渗吸液的温度保持在预设的温度区间范围内，将所述渗吸液的温度数据发送给所述数据处理装置；The liquid temperature control device is used to measure the temperature data of the imbibition liquid, keep the temperature of the imbibition liquid within a preset temperature range, and send the temperature data of the imbibition liquid to the the data processing device;
所述数据处理装置，用于接收所述饱和原油的岩心被放入渗吸液后质量的变化数据、所述被渗吸液驱替出的原油体积数据以及所述渗吸液的温度数据，并进行处理操作。The data processing device is configured to receive the change data of the quality of the saturated crude oil core after being put into the imbibition liquid, the volume data of the crude oil displaced by the imbibition liquid, and the temperature data of the imbibition liquid, and perform processing operations.
在一种可能的实现方式中，在本发明实施例提供的上述系统中，所述称量装置，包括：防风罩、悬挂支架、天平称量平台、天平底座、存液瓶底座、存液瓶、岩心悬挂线；其中，In a possible implementation manner, in the above-mentioned system provided by the embodiment of the present invention, the weighing device includes: a draft shield, a suspension bracket, a balance weighing platform, a balance base, a liquid storage bottle base, and a liquid storage bottle , core suspension line; of which,
所述岩心悬挂线系在所述悬挂支架上，所述岩心悬挂线用于悬挂所述饱和原油的岩心；The core suspension wire is tied on the suspension bracket, and the core suspension wire is used for suspending the core of the saturated crude oil;
所述天平称量平台放置于所述天平底座上表面，以通过所述天平底座的支撑使所述天平称量平台平稳放置，以测量所述饱和原油的岩心被放入渗吸液后质量的变化数据；The balance weighing platform is placed on the upper surface of the balance base, so that the balance weighing platform can be placed stably through the support of the balance base to measure the quality of the saturated crude oil core after being put into the imbibition liquid. change data;
所述存液瓶放置于所述存液瓶底座上表面，用于盛放所述渗吸液以及测量被渗吸液驱替出的原油体积数据；The liquid storage bottle is placed on the upper surface of the liquid storage bottle base, and is used for containing the imbibition liquid and measuring the volume data of the crude oil displaced by the imbibition liquid;
所述存液瓶底座放置于所述天平底座上表面；The liquid storage bottle base is placed on the upper surface of the balance base;
所述悬挂支架穿过所述存液瓶底座，并放置于所述天平称量平台上表面；The suspension bracket passes through the base of the liquid storage bottle and is placed on the upper surface of the balance weighing platform;
所述悬挂支架、天平称量平台、天平底座、存液瓶底座、存液瓶、岩心悬挂线，放置于所述防风罩内，以防止空气的流动干扰所述天平称量平台的精准读数。The suspension bracket, the balance weighing platform, the balance base, the liquid storage bottle base, the liquid storage bottle, and the core suspension line are placed in the windshield to prevent the flow of air from interfering with the accurate reading of the balance weighing platform.
在一种可能的实现方式中，在本发明实施例提供的上述系统中，所述的存液瓶为双层结构，包括：液体计量管、刻度线、出液口、液体循环腔、封口塞、进液口；其中，In a possible implementation manner, in the above-mentioned system provided by the embodiment of the present invention, the liquid storage bottle has a double-layer structure, including: a liquid measuring tube, a scale line, a liquid outlet, a liquid circulation cavity, and a sealing plug , the liquid inlet; of which,
所述液体计量管上刻有所述刻度线，用于测量被渗吸液驱替出的原油体积数据；The scale line is engraved on the liquid metering tube for measuring the volume data of the crude oil displaced by the imbibition liquid;
所述进液口和所述出液口位于所述液体循环腔的两侧，所述进液口用于渗吸液的进入，所述出液口用于所述渗吸液的排出；The liquid inlet and the liquid outlet are located on both sides of the liquid circulation cavity, the liquid inlet is used for the entry of imbibition liquid, and the liquid outlet is used for the discharge of the imbibition liquid;
所述液体循环腔，用于循环渗吸液；The liquid circulation chamber is used for circulating imbibition liquid;
所述封口塞，用于密封所述存液瓶。The sealing plug is used for sealing the liquid storage bottle.
在一种可能的实现方式中，在本发明实施例提供的上述系统中，所述的封口塞上带有液体循环通道；In a possible implementation manner, in the above-mentioned system provided by the embodiment of the present invention, the sealing plug is provided with a liquid circulation channel;
所述液体循环通道，用于在所述封口塞将所述存液瓶封装后，使所述液体循环腔保持密封并连续。The liquid circulation channel is used to keep the liquid circulation cavity sealed and continuous after the sealing plug seals the liquid storage bottle.
在一种可能的实现方式中，在本发明实施例提供的上述系统中，所述液体温控装置，包括：第一温度传感器、集液瓶、出液管线、第二温度传感器、吸液控温泵、储液罐、第一进液管线、第二进液管线；其中，In a possible implementation manner, in the above system provided by the embodiment of the present invention, the liquid temperature control device includes: a first temperature sensor, a liquid collection bottle, a liquid outlet line, a second temperature sensor, a liquid suction control device Warm pump, liquid storage tank, first liquid inlet pipeline, second liquid inlet pipeline; wherein,
所述第一温度传感器，位于所述存液瓶内，与所述存液瓶内渗吸液接触，用于监测所述存液瓶内渗吸液的温度；the first temperature sensor, located in the liquid storage bottle, is in contact with the imbibition liquid in the liquid storage bottle, and is used for monitoring the temperature of the imbibed liquid in the liquid storage bottle;
所述集液瓶，用于收集所述出液管线循环出的渗吸液；The liquid collection bottle is used to collect the imbibition liquid circulated from the liquid outlet pipeline;
所述吸液控温泵，用于通过所述第一进液管线吸取所述储液罐中的渗吸液，并将所述渗吸液加热至预设温度，再将加热后的所述渗吸液经由所述第二进液管线注入所述存液瓶；The liquid suction temperature control pump is used to absorb the imbibition liquid in the liquid storage tank through the first liquid inlet pipeline, heat the imbibition liquid to a preset temperature, and then heat the heated The imbibition liquid is injected into the liquid storage bottle through the second liquid inlet line;
所述第二温度传感器位于所述吸液控温泵内，用于监测所述吸液控温泵的温度。The second temperature sensor is located in the liquid suction temperature control pump, and is used for monitoring the temperature of the liquid suction temperature control pump.
在一种可能的实现方式中，在本发明实施例提供的上述系统中，所述数据处理装置，包括：第一数据传输线、数据处理器、操作平台、第二数据传输线、第三数据传输线；其中，In a possible implementation manner, in the above-mentioned system provided by the embodiment of the present invention, the data processing apparatus includes: a first data transmission line, a data processor, an operating platform, a second data transmission line, and a third data transmission line; in,
所述第一数据传输线连接所述第一温度传感器和所述数据处理器，用于将所述第一温度传感器采集的数据传输至所述数据处理器；The first data transmission line is connected to the first temperature sensor and the data processor, and is used for transmitting the data collected by the first temperature sensor to the data processor;
所述第二数据传输线连接所述天平称量平台和所述数据处理器，用于将所述天平称量平台采集的数据传输至所述数据处理器；The second data transmission line is connected to the balance weighing platform and the data processor, and is used for transmitting the data collected by the balance weighing platform to the data processor;
所述第三数据传输线连接所述吸液控温泵和所述数据处理器，用于将所述吸液控温泵采集的数据传输至所述数据处理器；The third data transmission line connects the suction liquid temperature control pump and the data processor, and is used for transmitting the data collected by the liquid suction temperature control pump to the data processor;
所述操作平台，用于对所述数据处理器采集的数据进行处理操作。The operating platform is used for processing the data collected by the data processor.
在一种可能的实现方式中，在本发明实施例提供的上述系统中，所述第一温度传感器和所述第二温度传感器的测量精度为0.01摄氏度。In a possible implementation manner, in the above system provided by the embodiment of the present invention, the measurement accuracy of the first temperature sensor and the second temperature sensor is 0.01 degrees Celsius.
在一种可能的实现方式中，在本发明实施例提供的上述系统中，所述岩心悬挂线由防水材料制成，直径为0.1毫米。In a possible implementation manner, in the above-mentioned system provided by the embodiment of the present invention, the core suspension wire is made of waterproof material and has a diameter of 0.1 mm.
在一种可能的实现方式中，在本发明实施例提供的上述系统中，所述刻度线的精度为0.01毫升。In a possible implementation manner, in the above-mentioned system provided by the embodiment of the present invention, the precision of the scale line is 0.01 ml.
第二方面，本发明实施例提供了一种基质渗吸与驱油的同步测量方法，包括：In the second aspect, the embodiment of the present invention provides a simultaneous measurement method of matrix imbibition and oil displacement, including:
称量装置测量饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据，并将所述饱和原油的岩心被放入渗吸液后质量的变化数据和所述被渗吸液驱替出的原油体积数据发送给所述数据处理装置；The weighing device measures the change data of the quality of the saturated crude oil core after being put into the imbibition liquid and the data of the volume of the crude oil displaced by the imbibition liquid, and measures the quality change of the saturated crude oil core after being put into the imbibition liquid sending the data and the crude oil volume data displaced by the imbibition liquid to the data processing device;
液体温控装置测量所述渗吸液的温度数据，以及使所述渗吸液的温度保持在预设的温度区间范围内，将所述渗吸液的温度数据发送给所述数据处理装置；The liquid temperature control device measures the temperature data of the imbibition liquid, keeps the temperature of the imbibition liquid within a preset temperature range, and sends the temperature data of the imbibition liquid to the data processing device;
数据处理装置对所述饱和原油的岩心被放入渗吸液后质量的变化数据、所述被渗吸液驱替出的原油体积数据以及所述渗吸液的温度数据进行处理操作。The data processing device performs processing operations on the change data of the quality of the saturated crude oil core after being put into the imbibition liquid, the volume data of the crude oil displaced by the imbibition liquid, and the temperature data of the imbibition liquid.
本发明实施例提供的基质渗吸与驱油的同步测量系统及方法，该系统包括：称量装置、液体温控装置、数据处理装置。其中，液体温控装置与称量装置连接，数据处理装置分别与称量装置和液体温控装置连接。称量装置，用于测量饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据，并将饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据发送给数据处理装置。液体温控装置，用于测量渗吸液的温度数据，以及使渗吸液的温度保持在预设的温度区间范围内，将渗吸液的温度数据发送给数据处理装置。数据处理装置，用于接收饱和原油的岩心被放入渗吸液后质量的变化数据、被渗吸液驱替出的原油体积数据以及渗吸液的温度数据，并进行处理操作。运用本系统，可以通过改变实验温度，来精确研究不同温度下致密油岩心渗吸的质量随时间的变化规律及渗吸驱油的效率。一方面，通过实验得到的致密油岩心渗吸的质量变化规律预测致密油储层的孔隙发育和连通情况，并评价致密油储层的物理特性。另一方面，通过实验得到的渗吸驱油的效率，可以为大规模体积压裂技术优化以及压裂液性能的评价等提供理论支撑和指导，从而有利于致密油储层的开采开发，以满足人们对能源的需求。The synchronous measurement system and method for matrix imbibition and oil displacement provided by the embodiment of the present invention includes: a weighing device, a liquid temperature control device, and a data processing device. Wherein, the liquid temperature control device is connected with the weighing device, and the data processing device is respectively connected with the weighing device and the liquid temperature control device. The weighing device is used to measure the change data of the quality of the saturated crude oil core after being put into the imbibition liquid and the volume data of the crude oil displaced by the imbibition liquid, and put the saturated crude oil core into the imbibition liquid. The change data and the crude oil volume data displaced by the imbibition liquid are sent to the data processing device. The liquid temperature control device is used for measuring the temperature data of the imbibition liquid, keeping the temperature of the imbibition liquid within a preset temperature range, and sending the temperature data of the imbibition liquid to the data processing device. The data processing device is used for receiving the change data of the quality of the core saturated with crude oil after being put into the imbibition liquid, the volume data of the crude oil displaced by the imbibition liquid and the temperature data of the imbibition liquid, and performing processing operations. Using this system, the variation law of imbibition quality of tight oil cores with time and the efficiency of imbibition and oil displacement can be accurately studied by changing the experimental temperature. On the one hand, the quality change law of imbibition in tight oil cores obtained by experiments predicts the development and connectivity of pores in tight oil reservoirs, and evaluates the physical properties of tight oil reservoirs. On the other hand, the efficiency of imbibition and oil displacement obtained through experiments can provide theoretical support and guidance for the optimization of large-scale volume fracturing technology and the evaluation of fracturing fluid performance, which is beneficial to the exploitation and development of tight oil reservoirs. meet people's energy needs.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，还可以根据这些附图获得其他的附图。In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings according to these drawings.
图1为本发明实施例一提供的基质渗吸与驱油的同步测量系统的结构示意图；1 is a schematic structural diagram of a synchronous measurement system for matrix imbibition and oil displacement provided in Embodiment 1 of the present invention;
图2为本发明实施例二提供的基质渗吸与驱油的同步测量系统的结构示意图；2 is a schematic structural diagram of a synchronous measurement system for matrix imbibition and oil displacement provided in Embodiment 2 of the present invention;
图3为本发明实施例二提供的存液瓶的结构示意图；3 is a schematic structural diagram of a liquid storage bottle provided in Embodiment 2 of the present invention;
图4为本发明实施例二提供的封口塞的结构示意图；4 is a schematic structural diagram of a sealing plug provided in Embodiment 2 of the present invention;
图5为本发明实施例三提供的基质渗吸与驱油的同步测量方法的流程示意图。FIG. 5 is a schematic flowchart of the method for simultaneous measurement of matrix imbibition and oil displacement provided in Embodiment 3 of the present invention.
附图标记：Reference number:
1-防风罩； 2-悬挂支架； 3-第一温度传感器；1- draft shield; 2- suspension bracket; 3- first temperature sensor;
4-第一数据传输线； 5-集液瓶； 6-数据处理器；4- the first data transmission line; 5- liquid collection bottle; 6- data processor;
7-操作平台； 130-数据处理装置； 9-出液管线；7-Operating platform; 130-Data processing device; 9-Liquid outlet pipeline;
10-第二数据传输线； 11-天平称量平台； 12-天平底座；10-Second data transmission line; 11-Balance weighing platform; 12-Balance base;
13-存液瓶底座； 14-第一温度传感器； 15-吸液控温泵；13- The base of the liquid storage bottle; 14- The first temperature sensor; 15- The suction temperature control pump;
16-第三数据传输线； 17-储液罐； 120-液体温控装置；16-the third data transmission line; 17-liquid storage tank; 120-liquid temperature control device;
19-第一进液管线； 20-第二进液管线； 21-存液瓶；19-the first liquid inlet line; 20-the second liquid inlet line; 21-liquid storage bottle;
22-岩心； 23-岩心悬挂线； 110-称量装置；22-core; 23-core suspension line; 110-weighing device;
25-液体计量管； 26-刻度线； 27-出液口；25-liquid measuring tube; 26-scale line; 27-liquid outlet;
28-液体循环腔； 29-封口塞； 30-进液口；28-liquid circulation cavity; 29-sealing plug; 30-liquid inlet;
31-液体循环通道。31 - Liquid circulation channel.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. All other embodiments obtained based on the embodiments of the present invention belong to the protection scope of the present invention.
为了方便说明，放大或者缩小了不同层和区域的尺寸，所以图中所示大小和比例并不一定代表实际尺寸，也不反映尺寸的比例关系。For the convenience of description, the sizes of different layers and regions are enlarged or reduced, so the sizes and ratios shown in the figures do not necessarily represent actual sizes, nor do they reflect the proportional relationship of sizes.
图1为本发明实施例一提供的基质渗吸与驱油的同步测量系统的结构示意图，如图1所示，该系统包括：1 is a schematic structural diagram of a synchronous measurement system for matrix imbibition and oil displacement provided in Embodiment 1 of the present invention. As shown in FIG. 1 , the system includes:
称量装置110、液体温控装置120、数据处理装置130；其中，The weighing device 110, the liquid temperature control device 120, and the data processing device 130; wherein,
液体温控装置120与称量装置110连接；The liquid temperature control device 120 is connected with the weighing device 110;
数据处理装置130分别与称量装置110和液体温控装置120连接；The data processing device 130 is respectively connected with the weighing device 110 and the liquid temperature control device 120;
称量装置110，用于测量饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据，并将饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据发送给数据处理装置130；The weighing device 110 is used to measure the change data of the mass of the saturated crude oil core after being put into the imbibition liquid and the volume data of the crude oil displaced by the imbibition liquid, and put the saturated crude oil core into the imbibition liquid. The change data and the crude oil volume data displaced by imbibition liquid are sent to the data processing device 130;
液体温控装置120，用于测量渗吸液的温度数据，以及使渗吸液的温度保持在预设的温度区间范围内，将渗吸液的温度数据发送给数据处理装置130；The liquid temperature control device 120 is used for measuring the temperature data of the imbibition liquid, keeping the temperature of the imbibition liquid within a preset temperature range, and sending the temperature data of the imbibition liquid to the data processing device 130;
数据处理装置130，用于接收饱和原油的岩心被放入渗吸液后质量的变化数据、被渗吸液驱替出的原油体积数据以及渗吸液的温度数据，并进行处理操作。The data processing device 130 is configured to receive data of quality change after the core of saturated crude oil is put into imbibition liquid, volume data of crude oil displaced by imbibition liquid, and temperature data of imbibition liquid, and perform processing operations.
实际应用中，首先在致密油储层中取岩心，可以将该岩心加工为直径25mm、高度1mm的圆柱体，然后对加工好的岩心进行洗油，对洗油后的岩心测定孔隙度、渗透率等基本参数，然后放入饱和装置，以饱和实验所需原油。上述基质渗吸与驱油的同步测量系统中，液体温控装置120实时测量渗吸液的温度数据，将渗吸液的温度数据发送给数据处理装置130，以及使渗吸液的温度保持在预设的温度区间范围内，例如该预设的温度区间范围可以是致密油储层所在实际环境的温度范围，可以根据实验需要进行设置，当渗吸液达到实验所需温度后，将饱和原油的岩心放入装有渗吸液的称量装置110，称量装置110测量饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据，并将饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据发送给数据处理装置130，数据处理装置130，接收饱和原油的岩心被放入渗吸液后质量随时间的变化数据、随时间变化的被渗吸液驱替出的原油体积数据以及随时间变化渗吸液的温度数据，并进行处理操作，通过改变实验温度可得到不同温度下致密油岩心渗吸的质量随时间的变化规律及渗吸驱油的效率。本实验中，还可以在实验过程不变的情况下，改变渗吸液的种类，来研究大规模体积压裂技术中压裂液的性能。In practical applications, the core is first taken from the tight oil reservoir, and the core can be processed into a cylinder with a diameter of 25 mm and a height of 1 mm, and then the processed core is washed with oil, and the porosity and permeability of the core after oil washing are measured. rate and other basic parameters, and then put it into a saturation device to saturate the crude oil required for the experiment. In the above-mentioned synchronous measurement system of matrix imbibition and oil displacement, the liquid temperature control device 120 measures the temperature data of the imbibition liquid in real time, sends the temperature data of the imbibition liquid to the data processing device 130, and keeps the temperature of the imbibition liquid at a constant temperature. Within the preset temperature range, for example, the preset temperature range can be the temperature range of the actual environment where the tight oil reservoir is located, which can be set according to the experimental needs. The core is put into the weighing device 110 containing imbibition liquid, and the weighing device 110 measures the quality change data of the core saturated with crude oil after being put into imbibition liquid and the volume data of crude oil displaced by imbibition liquid, and calculates The quality change data of the core saturated with crude oil after being put into imbibition liquid and the volume data of crude oil displaced by imbibition liquid are sent to the data processing device 130, and the data processing device 130, the core receiving saturated crude oil is put into imbibition liquid The data on the change of quality over time, the volume data of crude oil displaced by imbibition liquid over time, and the temperature data of imbibition liquid over time, and the processing operation is carried out. By changing the experimental temperature, tight oil at different temperatures can be obtained. The quality of core imbibition varies with time and the efficiency of imbibition oil displacement. In this experiment, the type of imbibition fluid can also be changed without changing the experimental process to study the performance of fracturing fluid in large-scale volume fracturing technology.
本实施例提供的基质渗吸与驱油的同步测量系统，包括：称量装置、液体温控装置、数据处理装置。其中，液体温控装置与称量装置连接，数据处理装置分别与称量装置和液体温控装置连接。称量装置，用于测量饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据，并将饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据发送给数据处理装置。液体温控装置，用于测量渗吸液的温度数据，以及使渗吸液的温度保持在预设的温度区间范围内，将渗吸液的温度数据发送给数据处理装置。数据处理装置，用于接收饱和原油的岩心被放入渗吸液后质量的变化数据、被渗吸液驱替出的原油体积数据以及渗吸液的温度数据，并进行处理操作。运用本系统，可以通过改变实验温度，来精确研究不同温度下致密油岩心渗吸的质量随时间的变化规律及渗吸驱油的效率。一方面，通过实验得到的致密油岩心渗吸的质量变化规律预测致密油储层的孔隙发育和连通情况，并评价致密油储层的物理特性。另一方面，通过实验得到的渗吸驱油的效率，可以为大规模体积压裂技术优化以及压裂液性能的评价等提供理论支撑和指导，从而有利于致密油储层的开采开发，以满足人们对能源的需求。The synchronous measurement system for matrix imbibition and oil displacement provided in this embodiment includes: a weighing device, a liquid temperature control device, and a data processing device. Wherein, the liquid temperature control device is connected with the weighing device, and the data processing device is respectively connected with the weighing device and the liquid temperature control device. The weighing device is used to measure the change data of the quality of the saturated crude oil core after being put into the imbibition liquid and the volume data of the crude oil displaced by the imbibition liquid, and put the saturated crude oil core into the imbibition liquid. The change data and the crude oil volume data displaced by the imbibition liquid are sent to the data processing device. The liquid temperature control device is used for measuring the temperature data of the imbibition liquid, keeping the temperature of the imbibition liquid within a preset temperature range, and sending the temperature data of the imbibition liquid to the data processing device. The data processing device is used for receiving the change data of the quality of the core saturated with crude oil after being put into the imbibition liquid, the volume data of the crude oil displaced by the imbibition liquid and the temperature data of the imbibition liquid, and performing processing operations. Using this system, the variation law of imbibition quality of tight oil cores with time and the efficiency of imbibition and oil displacement can be accurately studied by changing the experimental temperature. On the one hand, the quality change law of imbibition in tight oil cores obtained by experiments predicts the development and connectivity of pores in tight oil reservoirs, and evaluates the physical properties of tight oil reservoirs. On the other hand, the efficiency of imbibition and oil displacement obtained through experiments can provide theoretical support and guidance for the optimization of large-scale volume fracturing technology and the evaluation of fracturing fluid performance, which is beneficial to the exploitation and development of tight oil reservoirs. meet people's energy needs.
实施例二Embodiment 2
图2为本发明实施例二提供的基质渗吸与驱油的同步测量系统的结构示意图，如图2所示，在上述实施例一的基础上，优选的，称量装置110，可以包括：防风罩1、悬挂支架2、天平称量平台11、天平底座12、存液瓶底座13、存液瓶21、岩心悬挂线23。其中，FIG. 2 is a schematic structural diagram of a synchronous measurement system for matrix imbibition and oil displacement provided in Embodiment 2 of the present invention. As shown in FIG. 2 , on the basis of Embodiment 1 above, preferably, the weighing device 110 may include: Windshield 1, suspension bracket 2, balance weighing platform 11, balance base 12, liquid storage bottle base 13, liquid storage bottle 21, core suspension wire 23. in,
岩心悬挂线23系在悬挂支架2上，岩心悬挂线23用于悬挂饱和原油的岩心22。优选的，岩心悬挂线由防水材料制成，直径为0.1毫米。The core suspension wire 23 is fastened on the suspension bracket 2, and the core suspension wire 23 is used to suspend the core 22 saturated with crude oil. Preferably, the core suspension wire is made of waterproof material and has a diameter of 0.1 mm.
天平称量平台11放置于天平底座12上表面，以通过天平底座12的支撑使天平称量平台11平稳放置，以测量饱和原油的岩心22被放入渗吸液后质量的变化数据。The balance weighing platform 11 is placed on the upper surface of the balance base 12, so that the balance weighing platform 11 can be placed stably through the support of the balance base 12 to measure the quality change data of the core 22 saturated with crude oil after being put into the imbibition liquid.
存液瓶21放置于存液瓶底座13上表面，用于盛放渗吸液以及测量被渗吸液驱替出的原油体积数据。The liquid storage bottle 21 is placed on the upper surface of the liquid storage bottle base 13 for containing imbibition liquid and measuring the volume data of crude oil displaced by the imbibition liquid.
存液瓶底座13放置于天平底座12上表面。The liquid storage bottle base 13 is placed on the upper surface of the balance base 12 .
悬挂支架2穿过存液瓶底座13，并放置于天平称量平台11上表面。The suspension bracket 2 passes through the base 13 of the liquid storage bottle and is placed on the upper surface of the weighing platform 11 of the balance.
悬挂支架2、天平称量平台11、天平底座12、存液瓶底座13、存液瓶21、岩心悬挂线23，放置于防风罩1内，以防止空气的流动干扰天平称量平台11的精准读数。The suspension bracket 2, the balance weighing platform 11, the balance base 12, the liquid storage bottle base 13, the liquid storage bottle 21, and the core suspension wire 23 are placed in the windshield 1 to prevent the flow of air from interfering with the accuracy of the balance weighing platform 11. reading.
优选的，如图3所示，存液瓶21为双层结构，包括：液体计量管25、刻度线26、出液口27、液体循环腔28、封口塞29、进液口30。其中，Preferably, as shown in FIG. 3 , the liquid storage bottle 21 has a double-layer structure, including: a liquid measuring tube 25 , a scale line 26 , a liquid outlet 27 , a liquid circulation cavity 28 , a sealing plug 29 , and a liquid inlet 30 . in,
液体计量管25上刻有刻度线26，用于测量被渗吸液驱替出的原油体积数据。优选的，刻度线的精度为0.01毫升。The scale line 26 is engraved on the liquid metering tube 25 for measuring the volume data of the crude oil displaced by the imbibition liquid. Preferably, the precision of the scale line is 0.01 ml.
进液口30和出液口27位于液体循环腔28的两侧，进液口30用于渗吸液的进入，出液口27用于渗吸液的排出。The liquid inlet 30 and the liquid outlet 27 are located on both sides of the liquid circulation cavity 28 , the liquid inlet 30 is used for the entry of the imbibition liquid, and the liquid outlet 27 is used for the discharge of the imbibition liquid.
液体循环腔28，用于循环渗吸液。The fluid circulation chamber 28 is used for circulating imbibition fluid.
封口塞29，用于密封存液瓶21。The sealing plug 29 is used to seal the liquid storage bottle 21 .
具体的，如图4所示，封口塞29上带有液体循环通道31。Specifically, as shown in FIG. 4 , the sealing plug 29 is provided with a liquid circulation channel 31 .
液体循环通道31，用于在封口塞29将存液瓶21封装后，使液体循环腔28保持密封并连续。The liquid circulation channel 31 is used to keep the liquid circulation cavity 28 sealed and continuous after the sealing plug 29 seals the liquid storage bottle 21 .
本实施方式中，将放置在渗吸液中的饱和原油的岩心通过岩心悬挂线悬挂在悬挂支架上，悬挂支架穿过存液瓶底座放置于天平称量平台上，实现了连续记录渗吸液量随时间的变化，可以用来研究致密油储层渗吸的质量变化规律。In this embodiment, the core of saturated crude oil placed in the imbibition liquid is suspended on the suspension bracket through the core suspension line, and the suspension bracket is placed on the balance weighing platform through the base of the liquid storage bottle, so as to realize the continuous recording of imbibition liquid The change of quantity with time can be used to study the quality change law of imbibition in tight oil reservoirs.
如图2所示，优选的，液体温控装置120，可以包括：第一温度传感器3、集液瓶5、出液管线9、第二温度传感器14、吸液控温泵15、储液罐17、第一进液管线19、第二进液管线20。其中，As shown in FIG. 2, preferably, the liquid temperature control device 120 may include: a first temperature sensor 3, a liquid collection bottle 5, a liquid outlet line 9, a second temperature sensor 14, a liquid suction temperature control pump 15, and a liquid storage tank 17. The first liquid inlet pipeline 19 and the second liquid inlet pipeline 20. in,
第一温度传感器3，位于存液瓶21内，与存液瓶21内渗吸液接触，用于监测存液瓶21内渗吸液的温度。The first temperature sensor 3 is located in the liquid storage bottle 21 and is in contact with the imbibition liquid in the liquid storage bottle 21 , and is used for monitoring the temperature of the imbibed liquid in the liquid storage bottle 21 .
集液瓶5，用于收集出液管线9循环出的渗吸液。The liquid collection bottle 5 is used to collect the imbibed liquid circulated from the liquid outlet line 9 .
吸液控温泵15，用于通过第一进液管线19吸取储液罐17中的渗吸液，并将渗吸液加热至预设温度，再将加热后的渗吸液经由第二进液管线20注入存液瓶21。The suction temperature control pump 15 is used to absorb the imbibition liquid in the liquid storage tank 17 through the first liquid inlet line 19, heat the imbibition liquid to a preset temperature, and then pass the heated imbibition liquid through the second inlet. The liquid line 20 is injected into the liquid storage bottle 21 .
第二温度传感器14位于吸液控温泵15内，用于监测吸液控温泵15的温度。The second temperature sensor 14 is located in the suction temperature control pump 15 and is used to monitor the temperature of the suction temperature control pump 15 .
优选的，第一温度传感器3和第二温度传感器14的测量精度为0.01摄氏度。Preferably, the measurement accuracy of the first temperature sensor 3 and the second temperature sensor 14 is 0.01 degrees Celsius.
本实施方式中，通过将渗吸液加热至预设温度并使之保持，进而获得在预设温度时岩心的渗吸驱油效率，可以用来探究温度对致密油储层渗吸驱油效率的影响。In this embodiment, by heating the imbibition fluid to a preset temperature and maintaining it, the imbibition and oil displacement efficiency of the core at the preset temperature is obtained, which can be used to explore the effect of temperature on the imbibition and oil displacement efficiency of tight oil reservoirs Impact.
如图2所示，优选的，数据处理装置130，可以包括：第一数据传输线4、数据处理器6、操作平台7、第二数据传输线10、第三数据传输线16。其中，As shown in FIG. 2 , preferably, the data processing device 130 may include: a first data transmission line 4 , a data processor 6 , an operation platform 7 , a second data transmission line 10 , and a third data transmission line 16 . in,
第一数据传输线4连接第一温度传感器3和数据处理器6，用于将第一温度传感器3采集的数据传输至数据处理器6。The first data transmission line 4 connects the first temperature sensor 3 and the data processor 6 and is used for transmitting the data collected by the first temperature sensor 3 to the data processor 6 .
第二数据传输线10连接天平称量平台11和数据处理器6，用于将天平称量平台11采集的数据传输至数据处理器6。The second data transmission line 10 connects the balance weighing platform 11 and the data processor 6 , and is used for transmitting the data collected by the balance weighing platform 11 to the data processor 6 .
第三数据传输线16连接吸液控温泵15和数据处理器6，用于将吸液控温泵15采集的数据传输至数据处理器6。The third data transmission line 16 connects the suction liquid temperature control pump 15 and the data processor 6 , and is used for transmitting the data collected by the liquid suction temperature control pump 15 to the data processor 6 .
操作平台7，用于对数据处理器6采集的数据进行处理操作。The operation platform 7 is used for processing the data collected by the data processor 6 .
本实施方式中，通过该数据处理装置可以自动完成数据采集与处理，提高了实验研究的效率。In this embodiment, the data processing device can automatically complete data collection and processing, thereby improving the efficiency of experimental research.
实际应用中，首先在致密油储层中取岩心，可以将该岩心加工为直径25mm、高度1mm的圆柱体，然后对加工好的岩心进行洗油，对洗油后的岩心测定孔隙度、渗透率等基本参数，然后放入饱和装置，以饱和实验所需原油。然后用岩心悬挂线23的一端系在饱和原油的岩心的中部，另一端穿过液体计量管25系在悬挂支架上。将存液瓶21中装满实验所需温度的渗吸液，用封口塞29将存液瓶21的底端封固，打开液体温控装置120使存液瓶21维持在实验所需要的温度区间范围内，然后打开称量装置110和数据处理装置130，采集饱和原油的岩心质量的变化数据，同时可以每12小时读取一次渗吸液驱替出原油后液体计量管25的数据，通过数据处理器6对采集数据的处理操作，可获取致密油岩心渗吸时的质量随时间的变化规律及渗吸的特征，通过液体计量管数据的变化可以计算渗吸液驱替出原油的体积，近而获得渗吸驱油的效率和增能的规律。本实验中，还可以在实验过程不变的情况下，改变渗吸液的种类，来研究大规模体积压裂技术中压裂液的性能。In practical applications, the core is first taken from the tight oil reservoir, and the core can be processed into a cylinder with a diameter of 25 mm and a height of 1 mm, and then the processed core is washed with oil, and the porosity and permeability of the core after oil washing are measured. rate and other basic parameters, and then put it into a saturation device to saturate the crude oil required for the experiment. Then, one end of the core suspension wire 23 is tied to the middle of the core saturated with crude oil, and the other end is passed through the liquid metering tube 25 and tied to the suspension bracket. Fill the liquid storage bottle 21 with the imbibition liquid at the temperature required for the experiment, seal the bottom end of the liquid storage bottle 21 with the sealing plug 29, and open the liquid temperature control device 120 to maintain the liquid storage bottle 21 at the temperature required for the experiment. Within the range, then turn on the weighing device 110 and the data processing device 130 to collect the change data of the core quality of the saturated crude oil, and at the same time, the data of the liquid metering tube 25 after the imbibition liquid has displaced the crude oil can be read every 12 hours. The processing operation of the collected data by the data processor 6 can obtain the variation law of the quality of the tight oil core with time and the characteristics of the imbibition during imbibition, and the volume of the crude oil displaced by the imbibition liquid can be calculated through the change of the data of the liquid metering tube. , and the law of efficiency and energy enhancement of imbibition flooding can be obtained. In this experiment, the type of imbibition fluid can also be changed without changing the experimental process to study the performance of fracturing fluid in large-scale volume fracturing technology.
本实施例提供的基质渗吸与驱油的同步测量系统，包括：称量装置、液体温控装置、数据处理装置。运用本系统，可获取致密油岩心渗吸时的质量随时间的变化规律及渗吸的特征，通过液体计量管数据的变化可以计算渗吸液驱替出原油的体积，近而获得渗吸驱油的效率和增能的规律，可以为大规模体积压裂技术优化以及压裂液性能的评价等提供理论支撑和指导，从而有利于致密油储层的开采开发，以满足人们对能源的需求。The synchronous measurement system for matrix imbibition and oil displacement provided in this embodiment includes: a weighing device, a liquid temperature control device, and a data processing device. Using this system, the variation law of the quality of tight oil cores with time and the characteristics of imbibition during imbibition can be obtained, and the volume of crude oil displaced by imbibition liquid can be calculated through the change of the data of the liquid metering tube, and then the imbibition flooding can be obtained. The law of oil efficiency and energy enhancement can provide theoretical support and guidance for the optimization of large-scale volume fracturing technology and the evaluation of fracturing fluid performance, which is beneficial to the exploitation and development of tight oil reservoirs to meet people's demand for energy. .
实施例三Embodiment 3
图5为本发明实施例三提供的基质渗吸与驱油的同步测量方法的流程示意图，如图3所示，该方法包括以下步骤：Fig. 5 is the schematic flow chart of the simultaneous measurement method of matrix imbibition and oil displacement provided by the third embodiment of the present invention, as shown in Fig. 3, the method comprises the following steps:
S101、称量装置测量饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据，并将饱和原油的岩心被放入渗吸液后质量的变化数据和被渗吸液驱替出的原油体积数据发送给数据处理装置。S101. The weighing device measures the change data of the quality of the saturated crude oil core after being put into the imbibition liquid and the volume data of the crude oil displaced by the imbibition liquid, and measures the quality change of the saturated crude oil core after being put into the imbibition liquid The data and the volume of crude oil displaced by the imbibition liquid are sent to the data processing device.
S102、液体温控装置测量渗吸液的温度数据，以及使渗吸液的温度保持在预设的温度区间范围内，将渗吸液的温度数据发送给数据处理装置。S102 , the liquid temperature control device measures the temperature data of the imbibition liquid, keeps the temperature of the imbibition liquid within a preset temperature range, and sends the temperature data of the imbibition liquid to the data processing device.
S103、数据处理装置对饱和原油的岩心被放入渗吸液后质量的变化数据、被渗吸液驱替出的原油体积数据以及渗吸液的温度数据进行处理操作。S103 , the data processing device performs processing operations on the quality change data of the core saturated with crude oil after being put into the imbibition liquid, the volume data of the crude oil displaced by the imbibition liquid, and the temperature data of the imbibition liquid.
优选的，上述称量装置，包括：防风罩、悬挂支架、天平称量平台、天平底座、存液瓶底座、存液瓶、岩心悬挂线。其中，Preferably, the above weighing device includes: a draft shield, a suspension bracket, a balance weighing platform, a balance base, a liquid storage bottle base, a liquid storage bottle, and a core suspension line. in,
岩心悬挂线系在悬挂支架上，岩心悬挂线用于悬挂饱和原油的岩心。The core suspension wire is tied to the suspension bracket, and the core suspension wire is used to suspend the core saturated with crude oil.
天平称量平台放置于天平底座上表面，以通过天平底座的支撑使天平称量平台平稳放置，以测量饱和原油的岩心被放入渗吸液后质量的变化数据。The balance weighing platform is placed on the upper surface of the balance base, so that the balance weighing platform can be placed stably through the support of the balance base, so as to measure the change data of the quality of the core saturated with crude oil after being put into the imbibition liquid.
存液瓶放置于存液瓶底座上表面，用于盛放渗吸液以及测量被渗吸液驱替出的原油体积数据。The liquid storage bottle is placed on the upper surface of the base of the liquid storage bottle, which is used to hold the imbibition liquid and measure the volume data of the crude oil displaced by the imbibed liquid.
存液瓶底座放置于天平底座上表面。The reservoir base is placed on the upper surface of the balance base.
悬挂支架穿过存液瓶底座，并放置于天平称量平台上表面。The suspension bracket passes through the base of the storage bottle and is placed on the upper surface of the weighing platform of the balance.
悬挂支架、天平称量平台、天平底座、存液瓶底座、存液瓶、岩心悬挂线，放置于防风罩内，以防止空气的流动干扰天平称量平台的精准读数。Suspension bracket, balance weighing platform, balance base, liquid storage bottle base, liquid storage bottle, and core suspension wire are placed in the draft shield to prevent the flow of air from interfering with the accurate reading of the balance weighing platform.
具体地，该存液瓶为双层结构，包括：液体计量管、刻度线、出液口、液体循环腔、封口塞、进液口。其中，Specifically, the liquid storage bottle has a double-layer structure, including: a liquid measuring tube, a scale line, a liquid outlet, a liquid circulation cavity, a sealing plug, and a liquid inlet. in,
液体计量管上刻有刻度线，用于测量被渗吸液驱替出的原油体积数据。The liquid metering tube is engraved with a graduated line, which is used to measure the volume of crude oil displaced by the imbibition liquid.
进液口和出液口位于液体循环腔的两侧，进液口用于渗吸液的进入，出液口用于渗吸液的排出。The liquid inlet and the liquid outlet are located on both sides of the liquid circulation cavity, the liquid inlet is used for the entry of imbibition liquid, and the liquid outlet is used for the discharge of imbibition liquid.
液体循环腔，用于循环渗吸液。Fluid circulation chamber for circulating imbibition fluid.
封口塞，用于密封存液瓶。Sealing stopper for sealing the reservoir bottle.
具体的，上述封口塞上带有液体循环通道。Specifically, the above-mentioned sealing plug is provided with a liquid circulation channel.
该液体循环通道，用于在封口塞将存液瓶封装后，使循环腔保持密封并连续。The liquid circulation channel is used to keep the circulation cavity sealed and continuous after the sealing plug seals the liquid storage bottle.
优选的，上述液体温控装置，包括：第一温度传感器、集液瓶、出液管线、第二温度传感器、吸液控温泵、储液罐、第一进液管线、第二进液管线。其中，Preferably, the above-mentioned liquid temperature control device includes: a first temperature sensor, a liquid collection bottle, a liquid outlet pipeline, a second temperature sensor, a liquid suction temperature control pump, a liquid storage tank, a first liquid inlet pipeline, and a second liquid inlet pipeline . in,
第一温度传感器，位于存液瓶内，与存液瓶内渗吸液接触，用于监测存液瓶内渗吸液的温度。The first temperature sensor, located in the liquid storage bottle, is in contact with the imbibition liquid in the liquid storage bottle, and is used for monitoring the temperature of the imbibed liquid in the liquid storage bottle.
集液瓶，用于收集出液管线循环出的渗吸液。Collection bottle for collecting the imbibate circulating out of the liquid outlet line.
吸液控温泵，用于通过第一进液管线吸取储液罐中的渗吸液，并将渗吸液加热至预设温度，再将加热后的渗吸液经由第二进液管线注入存液瓶。The suction temperature control pump is used to absorb the imbibition liquid in the liquid storage tank through the first liquid inlet line, heat the imbibition liquid to a preset temperature, and then inject the heated imbibition liquid through the second liquid inlet line Reservoir bottle.
第二温度传感器位于吸液控温泵内，用于监测吸液控温泵的温度。The second temperature sensor is located in the liquid suction temperature control pump, and is used for monitoring the temperature of the liquid suction temperature control pump.
优选的，上述数据处理装置，包括：第一数据传输线、数据处理器、操作平台、第二数据传输线、第三数据传输线。其中，Preferably, the above data processing device includes: a first data transmission line, a data processor, an operating platform, a second data transmission line, and a third data transmission line. in,
第一数据传输线连接第一温度传感器和数据处理器，用于将第一温度传感器采集的数据传输至数据处理器。The first data transmission line connects the first temperature sensor and the data processor, and is used for transmitting the data collected by the first temperature sensor to the data processor.
第二数据传输线连接天平称量平台和数据处理器，用于将天平称量平台采集的数据传输至数据处理器。The second data transmission line connects the balance weighing platform and the data processor, and is used for transmitting the data collected by the balance weighing platform to the data processor.
第三数据传输线连接吸液控温泵和数据处理器，用于将吸液控温泵采集的数据传输至数据处理器。The third data transmission line connects the suction liquid temperature control pump and the data processor, and is used for transmitting the data collected by the liquid suction temperature control pump to the data processor.
操作平台，用于对数据处理器采集的数据进行处理操作。The operation platform is used to process the data collected by the data processor.
优选的，第一温度传感器和第二温度传感器的测量精度为0.01摄氏度。Preferably, the measurement accuracy of the first temperature sensor and the second temperature sensor is 0.01 degrees Celsius.
优选的，岩心悬挂线由防水材料制成，直径为0.1毫米。Preferably, the core suspension wire is made of waterproof material and has a diameter of 0.1 mm.
优选的，刻度线的精度为0.01毫升。Preferably, the accuracy of the scale line is 0.01 ml.
本实施例的具体执行方式和有益效果与实施例一和实施例二中的类似，在这里不再赘述。The specific implementation manner and beneficial effects of this embodiment are similar to those in Embodiment 1 and Embodiment 2, and will not be repeated here.
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. scope.
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| CN115372197B (en) * | 2022-08-22 | 2024-06-04 | 西安石油大学 | Evaluation method for quantifying clay swelling oil displacement effect based on imbibition-ion diffusion lag time |
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