CN216870320U - A device for fast determination of permeability in drilling and logging site - Google Patents

Abstract

The purpose of the utility model is to provide a portable device that is completely different from the original indoor axial test, which is not available in the market for both outdoor sample cleaning and rapid permeability measurement. A device for rapidly measuring permeability on drilling and logging site, comprising an upper cover and a box, characterized in that a control system, a gas supply system, a power supply system, process system equipment and a simple and foldable operating platform are arranged in the box, and a simple and foldable operation platform is arranged in the box. The bottom is provided with tool sponge grooves, each system is embedded in the corresponding grooves and fixed by fixing parts, the operation platform is connected with the top of one side wall of the box body through a rotating shaft, the operation platform can be folded into the box body and covered with a cover, All the required systems and equipment can be concentrated in the box to form an organic whole. In addition, the device has a compact structure, is easy to transport, and is suitable for outdoor occasions without power supply. The utility model has the advantages of high integration degree, convenient operation and portability, and is especially suitable for the rapid test of permeability in drilling and logging site.

Description

A device for rapid measurement of permeability in drilling and logging site

technical field

The utility model relates to the field of reservoir permeability evaluation, in particular to a testing device for rapidly measuring the permeability of cylindrical cores in drilling logging sites and outdoor occasions where electricity and gas supply are lacking.

Background technique

During the drilling and logging process, the extracted cylindrical core is affected to some extent by the mud invasion or the oil-water mixture during the drilling process. The traditional method is to bring the cylindrical samples drilled from the well site back to the laboratory for cleaning, end face grinding, drying and other processes, and then put them in a test equipment with a rubber cylinder seal for measurement. The test is generally along the axial direction of the cylindrical core. direction. Since the cores taken out of the well site contain oil and water and the end faces are uneven, traditional methods cannot be used for testing on site. With the development of drilling and logging technology, the ability to obtain core permeability parameters on site in a timely manner will help to take more reasonable measures at the first time. Drilling and logging technology, for this reason, it is necessary to develop a set of devices specially used for rapid permeability test at the drilling and logging site.

Utility model content

The purpose of the present utility model is to provide a portable device which is completely different from the original indoor axial test, which does not meet the requirements of outdoor sample cleaning and rapid permeability measurement at the same time in the market. The device is equipped with the equipment required for control, cleaning, drying and testing of the complete process flow, and can meet the needs of rapid on-site measurement of the permeability of the field core. In addition, the device has a compact structure, is easy to transport, and is suitable for outdoor occasions without power supply.

In order to achieve the above purpose, the present utility model provides a device for rapidly measuring permeability on the drilling and logging site, comprising an upper cover and a box body, and is characterized in that a control system, a gas supply system, a power supply system and a process system equipment are arranged in the box body. and a simple and foldable operation platform. There are tool sponge grooves at the bottom of the box. Each system is embedded in the corresponding grooves and fixed by fixing parts. The operation platform and the top of one side wall of the box are connected by a rotating shaft. Putting it into the box and closing the lid allows all the required systems and equipment to be concentrated in the box to form an organic whole.

Preferably, the gas supply system is divided into a test gas storage tank and a cleaning gas storage tank, and the test gas storage tank and the cleaning gas storage tank are equipped with a safety vent valve and an outdoor air pump.

Preferably, the process system equipment includes a cleaning system and a testing system, and the cleaning system includes an organic solvent liquid storage tank, a pipeline connecting the outlet of the cleaning gas storage tank, a pipeline connecting the outlet of the liquid storage tank containing the organic solvent, and a cleaning nozzle, and special Gloves, jigs, tweezers, etc. The test system includes core clamping device comparison chamber 1, comparison chamber 2, etc., and is equipped with corresponding switches or valves.

Preferably, the power supply system is divided into two modes: 220AC in-line power supply and built-in mobile power supply direct output power supply. Usually, before the device is tested in the field, it should be continuously charged for more than 8 hours to ensure that the built-in mobile power supply can be used for a long enough time in the field. The content circuit adopts the power-off self-holding element, which can effectively reduce the energy consumption during use.

Preferably, the control system is connected to the gas supply system, power supply system, and process system equipment through lines, and can control the startup and shutdown of the gas supply system and process system equipment; Data is analyzed and processed.

Preferably, the control system separates the cleaning process and the testing process independently, and the control panel is provided with a knob valve that can select the power supply mode, and the cleaning process starts, the cleaning gas injection, the cleaning gas outlet, the cleaning shutdown, the test process start, and the test gas injection. , Test the gas outlet and the shut-off valves of the test process closed.

Preferably, the box body is of a horizontal flip type, a pulley is installed on the lower end surface of the bottom of the box body, a pull rod is arranged on the outer side wall, which is convenient for the staff to pull and walk, and there are handles on both side walls for easy lifting. and let go.

Preferably, there are four said pulleys, which are installed at the four corners of the lower end face of the bottom of the box body, and at least two of them slide down with a slip limiting device.

Preferably, the operating platform includes a table board and two brackets, each bracket is installed at the corner of the lower end face on the left side of the table board, the part where each bracket is connected to the table board is provided with a rotatable connecting part, and the bottom of each bracket is provided with a circular Shaped fixed base, the table board can be rotated in an arc through the rotating shaft.

Preferably, the table is turned over to open, and the height of the bracket can make the table and the top surface of the box level.

The box of the utility model has a length of 75-85 cm, a width of 45-50 cm, and a height of the box body of 35-45 cm, wherein the length of the box is 78 cm, the width is 48 cm, and the height of the box body (excluding the height after the cover is closed) is 40 cm. .

Compared with the prior art, the utility model has the following effective effects:

1. The utility model has a high degree of integration. The utility model integrates the control system, the air supply system, the power supply system, the process system equipment and the simple and foldable operation platform into a movable box body. All devices that need to be operated can be controlled by the control system, and the control panel is located directly above the box for easy operation; the power supply interface is located on the side of the box;

2. The utility model has strong mobility. The bottom of the box of the utility model is provided with a pulley, and the side is provided with a pull rod and a handle, which can be dragged on a flat ground, and the overall weight is less than 40kg, which is easy to move;

3. Strong battery life. The internal storage battery of the utility model selects a 28000Ah large-capacity mobile power supply, and at the same time, all instruments and equipment are preferably low-power.

4. Simple operation and strong adaptability. The operation process can be controlled by the control system, which can be applied to both regular plunger samples and irregular cuttings.

Description of drawings

Fig. 1 is the appearance schematic diagram of the box of the present utility model;

Fig. 2 is the internal arrangement diagram of the box body of the present invention.

Among them, 1-box body; 11-handle; 12-pulley; 13-data cable interface; 14-charging interface; 2-control system; 3-air supply system; 4-power supply system; 5-test system; 6- Cleaning system; 8-operating platform; 81-table board; 82-stand.

Detailed ways

The accompanying drawings are for illustrative purposes only; in order to better illustrate the present embodiment, some parts in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, the Certain well-known structures and descriptions thereof may be omitted; the terms "upper", "lower", "top", "bottom", "inner", "outer", "side", "lateral", "vertical", etc. indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or a specific orientation. construction and operation, therefore, should not be construed as limitations of the present invention.

In the present invention, unless otherwise expressly specified and limited, terms such as "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection, an electrical connection or can communicate with each other; it can be a direct connection or an indirect connection through a medium, and it can be two components The internal communication or the interaction relationship between two elements, unless otherwise clearly defined, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

It should be understood that, in the various embodiments herein, the size of the sequence numbers of the above-mentioned processes does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, rather than the implementation of the embodiments herein. The process constitutes any qualification.

In the embodiments provided herein, it should be understood that the disclosed systems, devices and methods may be implemented in other manners. For example, the apparatus embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.

The present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1 and 2, the present invention provides a device for quickly measuring permeability on the drilling and logging site, comprising an upper cover 7 and a box body 1, wherein the box body 1 is provided with a control system 2, a supply Air system 3, power supply system 4, process system equipment and simple foldable operation platform 8, the inner bottom of box 1 is provided with tool sponge grooves, each system is embedded in the corresponding groove and fixed by fixing parts, such as buckles or claws. The operation platform 8 is connected with the top of one side wall of the box body 1 through a rotating shaft. The operation platform 8 can be folded into the box body 1 and cover the cover 1, so that all the required systems and equipment can be concentrated in the box, forming a organic whole. Corresponding shelves or partitions are also arranged in the box to facilitate the orderly arrangement of each system device.

The air supply system 3 is divided into a test air tank and a cleaning air tank. The test air tank and the cleaning air tank are equipped with safety venting valves. Each air storage tank of the air supply system has an inflatable inlet. Before the equipment is transported to the site, first fill the test air storage tank and the cleaning air storage tank with 8-12 MPa of high-pressure gas through the inflation port, preferably 10 MPa. In view of the consideration of large air consumption in the cleaning process, two cleaning gas storage tanks and one test gas storage tank are designed, which are placed in the corresponding positions of the sponge grooves of the box and fixed by buckles. In addition, the air supply system 3 is additionally equipped with an outdoor manual air pump to prevent the experiment from being unable to be carried out when the air source is exhausted in the field.

Power supply system 4 is divided into two modes: 220AC in-line power supply and built-in mobile power supply direct output power supply. Usually, before the device is tested in the field, it should be continuously charged for more than 8 hours to ensure that the built-in mobile power supply can be used for a long enough time in the field. The two circuits of the in-line power supply and the built-in mobile power supply are isolated from each other and controlled by a circuit switch button. At the same time, there can only be one power supply mode. The built-in circuit adopts the power-off self-holding element, which effectively reduces the energy consumption during use.

The process system equipment includes a cleaning system 6 and a testing system 5. The cleaning system 6 includes an organic solvent storage tank, a pipeline connected to the outlet of the cleaning gas storage tank, a pipeline connected to the outlet of the organic solvent storage tank, and a cleaning nozzle, as well as special gloves, Fixtures, tweezers, etc., the test system 5 includes a comparison chamber 1, a comparison chamber 2, etc. of the core clamping device, as well as corresponding switches and valves.

The control system 2 is connected with the gas supply system 3, the power supply system 4, and the process system equipment through lines, and can control the start-up and shutdown of the gas supply system 3 and the process system equipment; the control system 2 also includes a data processing and analysis system. The received data is analyzed and processed.

The control system 2 separates the cleaning process and the testing process independently. The control panel is provided with a knob valve that can select the power supply mode, and the cleaning process starts, the cleaning gas injection, the cleaning gas outlet, the cleaning shutdown, the test process start, the test gas injection, and the test. Each shut-off valve for gas outlet and closing of the test process. Using the fully automatic control method, after the sample is clamped, the test process does not require human intervention, reducing errors caused by frequent operations. Its data acquisition and processing system uses a high-speed acquisition module, and the recording speed of the pressure drop curve is controlled at the millisecond level, which can describe the shape of the pressure drop curve in more detail and improve the accuracy and repeatability of the test.

The box body 1 is a horizontal flip type, a pulley 12 is arranged on the lower end surface of the bottom of the box body 1, a pull rod is arranged on the outer side wall, which is convenient for the staff to pull and walk, and handles 11 are arranged on both side walls to facilitate the walking. Raise and drop. A data cable interface 13 and a charging interface 14 are arranged on the inner side wall of the box, so that it can be used in more occasions.

There are four pulleys 12 , which are installed at the four corners of the lower end face of the bottom of the box 1 , and at least two pulleys are provided with limited-slip devices. When working, in order to fix the operation platform 8, the pulley can be prevented from sliding, and the two wheels on one side restrict the sliding, and the whole box and the operation platform 8 will not move.

The operation platform 8 is connected with the top of the left side wall of the box body 1 through a rotating shaft. The operation platform 8 includes a table board and two brackets 82 . The connecting part is provided with a rotatable connecting part. The connecting part can make the bracket rotate in a 90-degree arc. When it is rotated to an appropriate position, the limit piece can block and fix the rotation of the bracket. The bottom of each bracket is provided with a circular fixed base, and the table board can be rotated in an arc through the rotating shaft. Of course, the operation platform 8 can also be connected to the top end of the right side wall of the box body 1 .

Flip open the table top, the height of the bracket can make the table top level with the top surface of the box.

Example

Each gas storage tank has a volume of 1000ml and a pressure resistance of 30MPa. It is made of carbon fiber material, which is light in weight and high in pressure resistance. The volume of the liquid storage tank is 400ml, the pressure resistance is 20MPa, and it is made of 316L stainless steel. There is an infusion port on the top, which can input highly volatile cleaning solvents such as acetone or petroleum ether. The three gas storage tanks are placed side by side at the bottom of the box, with a shelf on the top, and the circuit above the shelf. The new internal battery uses a 28000Ah large-capacity mobile power supply, and all sensors and displays are preferably low-power. Usually, the mobile power supply provides the full power of the test process, and the AC power supply circuit can also provide the full power of the test process, and the two are switched by the knob switch to ensure that there is only one way to provide power for the test process at any time.

The specific implementation process steps are as follows:

Step 1: Turn on the device, lay the operating platform, check the air pressure, electricity and liquid level of the liquid storage tank. Before transporting to the outdoors, first supply the equipment with air supply, charge, and replenish the cleaning solvent.

Step 2: Pick a suitable sample. For outdoor samples, use a cleaning clamp to clamp the sample. After opening the software, through the control system control process, open the "cleaning" button, and automatically control the opening and closing of the valve of the cleaning system to form a jet of gas and cleaning solvent around a certain test point of the sample.

Step 3: Determine the degree of cleaning by manually observing the situation around the test point. Replace it with a test fixture, select the test process through the control system, and start the test. Use the data processing and analysis system of the control system to collect data and perform calculations to obtain results.

Step 4: After the test is completed, collect and organize the device.

The above is only the preferred embodiment of the present utility model, it should be pointed out that: for those of ordinary skill in the art, under the premise of not departing from the principle of the present utility model, several improvements can also be made, and these improvements should also be regarded as The scope of protection of the utility model.

Claims (10)

1. a device for rapidly measuring permeability on site for drilling and logging, comprising an upper cover, a case, and it is characterized in that, a control system, a gas supply system, a power supply system, a flow system equipment and a simple foldable operating platform are arranged in the case, The bottom of the box is provided with tool sponge grooves, each system and components are embedded in the corresponding grooves and fixed by fixing parts, the operation platform is connected with the top of one side wall of the box through a rotating shaft, and the operation platform can be folded into the box. 2. the device of a kind of drilling well logging on-site fast measuring permeability according to claim 1, it is characterized in that, gas supply system is divided into test gas storage tank and cleaning gas storage tank, test gas storage tank and cleaning gas storage tank All are equipped with a safety vent valve and are equipped with an outdoor air pump. 3. The device for rapidly measuring permeability in a drilling and logging site according to claim 1, wherein the process system equipment comprises a cleaning system and a testing system, and the cleaning system comprises a liquid storage tank containing an organic solvent, a connection cleaning storage tank, and a cleaning system. The pipeline at the outlet of the gas tank, the pipeline connecting the outlet of the organic solvent storage tank, and the cleaning nozzle. The test system includes a core clamping device, a comparison room 1, and a comparison room 2. 4. The device for rapidly measuring permeability in a drilling and logging site according to claim 1, wherein the power supply system is divided into two modes: 220AC in-line power supply and built-in mobile power supply direct output power supply. 5. The device for rapidly measuring permeability on a drilling and logging site according to claim 1, wherein the control system is connected with the gas supply system, the power supply system, and the process system equipment through lines, and can control the gas supply system, the process flow The startup and shutdown of the system equipment; the control system also includes a data processing and analysis system, which analyzes and processes the data collected by the test. 6. The device for rapidly measuring permeability in a drilling and logging site according to claim 5, wherein the control system separates the cleaning process and the testing process independently, and the control panel is provided with a knob valve that can select a power supply mode , and the shut-off valves for cleaning process start, cleaning gas injection, cleaning gas outlet, cleaning shutdown, test process start, test gas injection, test gas outlet, and test process shutdown. 7. The device for rapidly measuring permeability in a drilling and logging site according to claim 1, wherein the box body is a horizontal flip type, a pulley is installed on the lower end surface of the box body, and an external side wall is provided with a pulley. Drawbar and carrying handle. 8 . The device for quickly measuring permeability on a drilling and logging site according to claim 7 , wherein there are four pulleys installed at the four corners of the lower end face of the bottom of the box, wherein at least two Each pulley is provided with a limited-slip device. 9 . The device for quickly measuring permeability in a drilling and logging site according to claim 1 , wherein the operating platform comprises a table board and two brackets, and each bracket is mounted on the lower end face corner on the left side of the table board. 10 . The parts where each bracket is connected with the table board are provided with rotatable connecting parts, the bottom of each bracket is provided with a circular fixed base, and the table board can be rotated in an arc through the rotating shaft. 10 . The device for rapidly measuring permeability in drilling and logging site according to claim 8 , wherein the table is turned over to open, and the height of the bracket can make the table and the top surface of the box level. 11 .

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