CN216311157U - Compensation method acoustic logging principle presentation device - Google Patents
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Abstract
Description
技术领域technical field
本实用新型涉及测井原理演示技术领域，尤其是一种补偿法声波测井原理演示装置。The utility model relates to the technical field of well logging principle demonstration, in particular to a compensation method acoustic logging principle demonstration device.
背景技术Background technique
声波测井是根据声学物理理论,利用不同岩体的声波反馈时差特征来识别和判断岩体各种物理特性的测井方法。采用原位记录滑行纵波在地层的传播时间的原理,能够直接的反映井周地层的速度特性,其纵向上的分辨率远远高于地震资料。作为三大测井方法之一,声波测井在油气勘探开发中有着非常重要的作用。在油气勘探阶段,可以利用声波测井资料计算岩石力学特性和地层孔隙度；在油气开发阶段,可以利用声波测井资料来检测套管破损情况,指导压裂作业等。近年来,在计算机和数据处理技术的持续推动下,声波测井实现微波分析的进程不断加快,使声波测井仪器在测井勘察中可以获得更多的、更为准确的地层声学性质,大大开拓了声波测井在地层评价中的应用范围,促进了我国地质勘探事业的发展和矿产资源的合理开发利用。在实际教学活动中，还没有对双发双收声波测井原理的演示装置，为使相关专业学生能够更深刻的理解该种双发双收声波测井方法的原理，需要一种相应的演示装置来演示该实验的原理和过程。Acoustic logging is a logging method that uses the acoustic feedback time difference characteristics of different rock masses to identify and judge various physical properties of rock masses according to the theory of acoustic physics. Using the principle of in-situ recording of the propagation time of sliding compressional waves in the formation, it can directly reflect the velocity characteristics of the formation around the well, and its vertical resolution is much higher than that of seismic data. As one of the three logging methods, acoustic logging plays a very important role in oil and gas exploration and development. In the stage of oil and gas exploration, sonic logging data can be used to calculate rock mechanical properties and formation porosity; in the stage of oil and gas development, sonic logging data can be used to detect casing damage and guide fracturing operations. In recent years, with the continuous promotion of computer and data processing technology, the process of sonic logging to realize microwave analysis has been accelerated, so that sonic logging tools can obtain more and more accurate formation acoustic properties in logging survey, greatly It expands the application scope of acoustic logging in formation evaluation, and promotes the development of my country's geological exploration and the rational development and utilization of mineral resources. In the actual teaching activities, there is no demonstration device for the principle of dual-transmitter and dual-receiver sonic logging. In order to enable the relevant majors to have a deeper understanding of the principle of the dual-transmitter and dual-receiver sonic logging method, a corresponding demonstration is required. device to demonstrate the principle and procedure of the experiment.
发明内容SUMMARY OF THE INVENTION
本实用新型的演示装置结构简单，经济实用，操作方便，数据可靠，可以实现对补偿法声波测井原理的演示模拟。The demonstration device of the utility model has the advantages of simple structure, economy and practicality, convenient operation and reliable data, and can realize the demonstration and simulation of the principle of acoustic wave logging of the compensation method.
本实用新型公开了一种补偿法声波测井原理演示装置，其演示装置主要包括环形有机玻璃筒体、双发双收声系、隔声保护管、信号采集设备、导线、牵引线；所述环形有机玻璃筒体分为上、中、下三个部分的环形空间相互隔开，下部分环形空间半径最大，中间部分和上部分环形空间半径相同，所述三个环形空间下部分环形空间内部为原油，中间部分环形空间内为泥沙，上部分环形空间内部为水，所述环形有机玻璃筒体的中心部位为中空管，所述中空管下部分半径最小，中间部分和上部分中空管半径相同，中空管内填充有液压油，所述双发双收声系包括第一发射探头、第二发射探头、第一接收探头、第二接收探头，所述第一发射探头、第二发射探头、第一接收探头、第二接收探头通过导线连接放置于隔声保护管内，所述隔声保护管放置于所述环形有机玻璃筒体中空管内，由牵引线牵引，所述环形有机玻璃筒体外设置有信号采集设备，所述信号采集设备通过导线与双发双收声系相连接。The utility model discloses a compensation method acoustic logging principle demonstration device. The demonstration device mainly comprises an annular plexiglass cylinder, a double-transmitting and double-receiving sound system, a sound insulation protection pipe, a signal acquisition device, a wire, and a traction wire; The annular plexiglass cylinder is divided into upper, middle and lower annular spaces separated from each other, the lower annular space has the largest radius, the middle and upper annular spaces have the same radius, and the lower annular space of the three annular spaces is inside the annular space. It is crude oil, the middle part of the annular space is sediment, the upper part of the annular space is water, the central part of the annular plexiglass cylinder is a hollow tube, the lower part of the hollow tube has the smallest radius, the middle part and the upper part are The hollow tube has the same radius, and the hollow tube is filled with hydraulic oil. The dual-transmitting and dual-receiving sound system includes a first transmitting probe, a second transmitting probe, a first receiving probe, and a second receiving probe. The second transmitting probe, the first receiving probe, and the second receiving probe are connected by wires and placed in the sound insulation protection tube. A signal acquisition device is arranged outside the glass cylinder, and the signal acquisition device is connected with the dual-transmitting and dual-receiving sound system through wires.
作为优选，所述环形有机玻璃筒体中空管下部分半径最小，中间部分和上部分中空管半径相同。Preferably, the radius of the lower part of the hollow tube of the annular plexiglass cylinder is the smallest, and the radius of the middle part and the upper part of the hollow tube are the same.
本实用新型在使用中操作说明：Operation instructions of the utility model in use:
(1)液压油应灌满环形有机玻璃筒体中空管。(1) The hydraulic oil should be filled with the hollow tube of the annular plexiglass cylinder.
(2)上、中、下三个环形空间所填充的水、泥沙、原油三种材料的顺序可以任意调换。(2) The order of the three materials of water, sediment and crude oil filled in the upper, middle and lower annular spaces can be changed arbitrarily.
(3)双发双收声系在隔声保护管中的安装顺序自上而下为第一发射探头、第一接收探头、第二接收探头、第二发射探头，即为双发双收补偿法声波测井。(3) The installation sequence of the double-transmitting and double-receiving sound system in the sound insulation protection pipe is the first transmitting probe, the first receiving probe, the second receiving probe, and the second transmitting probe from top to bottom, which is the double-transmitting and double-receiving compensation. sonic logging.
(4)牵引线为承重用，导线为传输信号用。(4) The traction wire is used for load-bearing, and the wire is used for signal transmission.
操作步骤：Steps:
(1)在上、中、下三个环形空间分别填充满水、泥沙、原油。(1) The upper, middle and lower annular spaces are filled with water, sediment and crude oil respectively.
(2)按照实验原理示意图连接各设备。(2) Connect each device according to the schematic diagram of the experimental principle.
(3)各设备连接完成后，中空管中灌满液压机油。(3) After the connection of each equipment is completed, the hollow pipe is filled with hydraulic oil.
(4)手摇滑轮，将双发双收声系放置于泥沙、原油交界段，即第一发射探头、第一接收探头置于泥沙段，第二接收探头、第二发射探头置于原油段。(4) Turn the pulley by hand, and place the dual-transmitting and dual-receiving acoustic system at the junction of sediment and crude oil, that is, the first transmitting probe and the first receiving probe are placed in the sediment section, and the second receiving probe and the second transmitting probe are placed in the sediment section. Crude oil segment.
(5)使用信号采集设备激发第一发射探头发射信号，记录第一、第二接收探头采集到的信号，即电压值和采集信号时间。(5) Use a signal acquisition device to excite the first transmitting probe to transmit signals, and record the signals collected by the first and second receiving probes, that is, the voltage value and the signal acquisition time.
(6)使用信号采集设备激发第二发射探头发射信号，记录第一、第二接收探头采集到的信号，即电压值和采集信号时间。(6) Use the signal acquisition device to excite the second transmitting probe to transmit signals, and record the signals collected by the first and second receiving probes, that is, the voltage value and the signal acquisition time.
(7)手摇滑轮，将双发双收声系置于中空管最底部使整个双发双收声系歪斜。(7) Roll the pulley by hand, and place the double-emitting and double-receiving sound system at the bottom of the hollow tube to make the entire double-emitting and double-receiving sound system skew.
(8)使用信号采集设备激发第一发射探头发射信号，记录第一、第二接收探头采集到的信号，即电压值和采集信号时间。(8) Use a signal acquisition device to excite the first transmitting probe to transmit signals, and record the signals collected by the first and second receiving probes, that is, the voltage value and the signal acquisition time.
(9)使用信号采集设备激发第二发射探头发射信号，记录第一、第二接收探头采集到的信号，即电压值和采集信号时间。(9) Use the signal acquisition device to excite the second transmitting probe to transmit signals, and record the signals collected by the first and second receiving probes, that is, the voltage value and the signal acquisition time.
本实用新型的有益效果在于：The beneficial effects of the present utility model are:
与现有单发单收、单发双收技术相比，本实用新型的优点是结构简单，经济实用，操作方便，数据可靠，可以在测量中消除井眼变化的影响，消除仪器在井眼中倾斜的影响，可以直接对补偿法声波测井方法的原理进行模拟，是一种可以满足实际教学需求的声波测井原理演示的原理演示装置。Compared with the existing single-transmitting-single-receiving and single-transmitting-double-receiving technologies, the utility model has the advantages of simple structure, economical and practical, convenient operation, reliable data, and can eliminate the influence of wellbore variation during the measurement, and eliminate the instrument in the wellbore. The influence of inclination can directly simulate the principle of the compensation method sonic logging method.
附图说明Description of drawings
图1为本实用新型实施例的结构示意图1。FIG. 1 is a schematic structural diagram 1 of an embodiment of the present invention.
图2为本实用新型实施例的结构示意图2。FIG. 2 is a schematic structural diagram 2 of an embodiment of the present invention.
图中所示：1为环形有机玻璃筒体，2为双发双收声系，3为隔声保护管，4为信号采集设备，5为导线，6为牵引线，7为蒙脱石，8为泥沙，9 为水，10为中空管，11为液压机油，12为第一发射探头，13为第一接收探头， 14为第二接收探头，15为第二发射探头,16为滑轮。As shown in the figure: 1 is an annular plexiglass cylinder, 2 is a double-emitting and double-receiving sound system, 3 is a sound insulation protection tube, 4 is a signal acquisition device, 5 is a wire, 6 is a traction wire, and 7 is a montmorillonite. 8 is sediment, 9 is water, 10 is hollow pipe, 11 is hydraulic oil, 12 is the first transmitting probe, 13 is the first receiving probe, 14 is the second receiving probe, 15 is the second transmitting probe, and 16 is the second transmitting probe. pulley.
具体实施方式Detailed ways
实施例1：Example 1:
参照图1，为本实用新型实施例的结构示意图，一种补偿法声波测井原理演示装置，其实验装置主要包括环形有机玻璃筒体1、双发双收声系2、隔声保护管3、信号采集设备4、导线5、牵引线6；所述环形有机玻璃筒体1 分为上、中、下三个部分的环形空间相互隔开，下部分环形空间半径最大，中间部分和上部分环形空间半径相同，所述三个环形空间下部分环形空间内部为原油7，中间部分环形空间内为泥沙8，上部分环形空间内部为水9，所述环形有机玻璃筒体1的中心部位为中空管10，所述中空管10下部分半径最小，中间部分和上部分中空管半径相同，中空管内填充有液压机油11，所述双发双收声系包括第一发射探头12、第二发射探头15、第一接收探头13、第二接收探头14，所述第一发射探头12、第二发射探头15、第一接收探头13、第二接收探头14通过导线5连接放置于隔声保护管3内，所述隔声保护管3放置于所述环形有机玻璃筒体中空管10内，由牵引线6牵引，所述环形有机玻璃筒体1外设置有信号采集设备4，所述信号采集设备4通过导线5与双发双收声系2 相连接。Referring to FIG. 1, it is a schematic structural diagram of an embodiment of the utility model, a compensation method acoustic logging principle demonstration device, and its experimental device mainly includes an
使用时，(1)按照实验原理示意图连接各设备。When in use, (1) connect each device according to the schematic diagram of the experimental principle.
(2)各设备连接完成后，中空管中灌满液压机油。(2) After the connection of each equipment is completed, the hollow pipe is filled with hydraulic oil.
(3)手摇滑轮，将双发双收声系放置于泥沙、原油交界段，即第一发射探头、第一接收探头置于泥沙段，第二接收探头、第二发射探头置于原油段。(3) Roll the pulley by hand, and place the dual-transmitting and dual-receiving acoustic system in the junction section of sediment and crude oil, that is, the first transmitting probe and the first receiving probe are placed in the sediment section, and the second receiving probe and the second transmitting probe are placed in the sediment section. Crude oil segment.
(4)使用信号采集设备激发第一发射探头发射信号，记录第一、第二接收探头采集到的信号，即电压值和采集信号时间。(4) Use the signal acquisition device to excite the first transmitting probe to transmit signals, and record the signals collected by the first and second receiving probes, that is, the voltage value and the signal acquisition time.
(5)使用信号采集设备激发第二发射探头发射信号，记录第一、第二接收探头采集到的信号，即电压值和采集信号时间。(5) Using a signal acquisition device to excite the second transmitting probe to transmit signals, and record the signals collected by the first and second receiving probes, that is, the voltage value and the signal acquisition time.
预实验结果：Pre-experimental results:
双发双收声波测井利用补偿法，可以消除井眼变化的影响，使得信号采集设备所采集处理后的数据更准确。The dual-transmitting and dual-receiving acoustic logging uses the compensation method, which can eliminate the influence of borehole variation and make the data collected and processed by the signal acquisition equipment more accurate.
实施例2：Example 2:
(1)手摇滑轮，将双发双收声系置于中空管最底部使整个双发双收声系歪斜。(1) Turn the pulley by hand, and place the double-emitting and double-receiving sound system at the bottom of the hollow tube to make the entire double-emitting and double-receiving sound system skew.
(2)使用信号采集设备激发第一发射探头发射信号，记录第一、第二接收探头采集到的信号，即电压值和采集信号时间。(2) Use a signal acquisition device to excite the first transmitting probe to transmit signals, and record the signals collected by the first and second receiving probes, that is, the voltage value and the signal acquisition time.
(3)使用信号采集设备激发第二发射探头发射信号，记录第一、第二接收探头采集到的信号，即电压值和采集信号时间。(3) Use the signal acquisition device to excite the second transmitting probe to transmit signals, and record the signals collected by the first and second receiving probes, that is, the voltage value and the signal acquisition time.
预实验结果：Pre-experimental results:
双发双收声波测井利用补偿法，可以消除仪器在井眼倾斜的影响，使得信号采集工作更为方便，处理后的数据更准确。The dual-transmitting and dual-receiving acoustic logging uses the compensation method, which can eliminate the influence of the inclination of the tool in the wellbore, making the signal acquisition more convenient and the processed data more accurate.
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