CN206161460U - Device of real -time measurement rock liquid absorption - Google Patents

Abstract

The utility model relates to a device for measuring the liquid absorption of rock in real time, which solves the problem that the traditional method for measuring the liquid absorption of rock cannot accurately reflect the liquid absorption and permeability characteristics of the rock itself, and cannot obtain a continuous "liquid absorption-time" curve. question. The utility model patent provides a device for measuring the liquid absorption of rocks in real time. The device can measure the liquid absorption of rocks per unit time in real time, avoiding the error of measuring the liquid absorption of dry rocks and making the measurement results more accurate. . The technical solution adopted by the utility model patent to solve this technical problem is: the base is placed horizontally, the vertical rod stands on one side of the base, the pulley is fixed on the mobile support, the glass dish is placed on the base, and the rock specimen is suspended by iron wire. Hang above the glass dish, just in contact with the liquid surface, the iron wire is wound on the pulley and connected with the weight, the weight is placed in the electronic scale tray, the electronic scale is connected to the computer through the signal line, and the electronic scale and the computer are both connected to the power supply. The device can continuously measure the weight increase of the rock specimen at different times.

Description

A device for real-time measurement of rock liquid absorption

Technical field

The utility model relates to a device for real-time measuring the liquid absorption volume of various rock samples in seepage experiments.

Background technique

Rock is permeable, and the research on rock permeability is widely used in petroleum, shale gas exploitation, oil and gas storage, and hydraulic engineering and other fields. It is of great significance to study the permeability of rocks to study the characteristics of rocks absorbing water, oil and other liquids, and to obtain the real-time liquid absorption of different types of rocks. The traditional way to measure the liquid absorption of rocks is to suspend the rocks just in contact with the liquid surface, remove the rocks after a certain time interval, dry the rock surface, and measure the increase in the weight of the rocks, but this method is Intermittent, inability to obtain a continuous "absorption-time" curve and errors caused by different standards for drying the rock surface each time often make the measurement results unable to reflect the actual absorption characteristics of the rock.

Contents of the invention

In order to solve the problem that the traditional method of measuring the liquid absorption of rock cannot accurately reflect the liquid absorption and permeability characteristics of the rock itself, and cannot obtain a continuous "liquid absorption-time" curve. The utility model patent provides a device for measuring the liquid absorption of rocks in real time. The device can measure the liquid absorption of rocks per unit time in real time, avoiding the error of measuring the liquid absorption of dry rocks and making the measurement results more accurate. .

In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model patent to solve the technical problem is: a device for measuring the liquid absorption of rocks in real time. Weight, electronic scale tray, electronic scale, signal line, computer, power supply; the connection scheme is that the base is placed horizontally, the pole stands on one side of the base, the pulley is fixed on the mobile bracket, and the glass dish is placed on the base. The rock specimen is suspended above the glass dish through iron wires, just in contact with the liquid surface. The iron wires are wound on pulleys and connected with weights. The weights are placed in the tray of the electronic scale. Connect to power.

The above mobile support can move up and down; the cross section of the glass dish should be more than 10 times the cross section of the rock specimen; the weight of the weight should be more than 2 times the weight of the rock specimen; the diameter of the pulley should not be less than 20mm; the accuracy of the electronic scale At least mg.

The measuring device is composed of an experimental device, a measuring device and a recording device. The length of the iron wire connecting the weight and the rock test piece, the diameter of the glass dish, the height of the liquid level in the glass dish, and the weight parameters of the weight should be determined according to the size of the rock test piece , and make appropriate adjustments in the experiment.

When measuring the utility model shown, first measure the weight A and the rock specimen weight B, after the weight meets the standard; connect the weight at one end of the iron wire, connect the rock specimen at the other end of the iron wire bypassing the pulley, and Adjust the height of the liquid level in the glass dish to just touch the bottom of the rock specimen, place the weight on the electronic scale, read the reading N of the electronic scale, and record it by the computer; then start the computer program and set the time interval as required , and use computer software to automatically and continuously record electronic scale readings N ₁ , N ₂ , N ₃ ,..., N _n at preset time intervals; after the experiment is completed, subtract N ₁ , N ₂ , N from N in turn ₃ ,..., N _n can get the real-time amount of rock wash, wherein, A, B, N, N ₁ , N ₂ , N ₃ ,..., N _n are all in g.

The beneficial effect of the utility model is that it avoids the error caused by the traditional measurement method, that is, the error caused by drying the test piece, which cannot reflect the actual liquid absorption characteristics of the rock. At the same time, the device can continuously record the liquid absorption of the rock. The unique "absorption volume-time" curve improves the accuracy of the experiment and saves the time and energy of researchers.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a structural representation of the utility model.

Figure 2 is a top view of the

In the figure 1. Base, 2. Pole, 3. Mobile bracket, 4. Pulley, 5. Wire rope, 6. Rock specimen, 7. Glass dish, 8. Solution, 9. Weight, 10. Electronic scale tray , 11. Electronic scale, 12. Signal line, 13. Electronic scale power supply, 14. Computer, 15. Computer power supply, 16. Wire.

detailed description

Below in conjunction with accompanying drawing 1-2, the utility model is further described:

In Fig. 1, a kind of device of real-time measurement rock liquid absorption is characterized in that it comprises: (1) base, (2) upright rod, (3) mobile support, (4) pulley, (5) wire rope, (6) rock specimen, (7) glass dish, (8) solution, (9) weight, (10) electronic scale tray, (11) electronic scale, (12) signal line, (13) electronic scale power supply, (14) computer, (15) computer power supply, (16) electric wire. The connection scheme is that the base (1) is placed horizontally, the pole (2) stands on the upper side of the base, the mobile bracket (3) is fixed on the pole (2), and the pulley (4) is fixed on the mobile bracket (3). , the glass dish (7) is placed on the base (1), the rock specimen is suspended above the glass dish (7) through the iron wire (5), just in contact with the liquid surface of the solution (8), and the iron wire (5) is wrapped around the pulley (4) is connected with the weight (9), and the weight (9) is placed in the electronic scale tray (10), and the electronic scale (11) is connected to the computer (14) by the signal line (12), and the electronic scale (11) is The electric wire (16) is connected to the electronic scale power supply (13), and the computer (14) is connected to the computer power supply (15) through the electric wire (16).

Fig. 2 is the top view of Fig. 1, in Fig. 2 (1) base, (2) upright bar, (3) mobile support, (4) pulley, (5) wire rope, (6) rock specimen, (7) Glass dish, (8) weight, (9) solution, (10) electronic scale tray, (11) electronic scale, (12) signal line, (13) electronic scale power supply, (14) computer, (15) computer power supply .

The above-mentioned mobile support (3) can move up and down on the vertical rod (2); the cross section of the glass dish (7) should be more than 10 times the cross section of the rock specimen (6); the weight of the weight (9) should be the rock specimen ( 6) More than 2 times the weight; the diameter of the pulley (4) should not be less than 20mm; the accuracy of the electronic scale (11) should be at least mg.

The measuring device is composed of an experimental device, a measuring device and a recording device, the length of the wire rope (5) connecting the weight (9) and the rock test piece (6), the diameter of the glass dish (7), the liquid in the glass dish (7) Surface height and weight (9) weight parameters should be determined according to the size of the rock test piece (6), and be properly adjusted in the experiment.

During measurement, described rock sample (6) is connected on the wire rope (5), and wire rope (5) is connected to weight (9) through pulley (4), and weight (9) is placed on electronic scale pallet ( 10) on.

The specific operation steps when measuring the liquid absorption of specific rocks are as follows:

1) First use an electronic scale to measure the weight of the weight A and the weight of the rock specimen B, and confirm that the weight of the weight is twice or more than the weight of the rock.

2) Connect a weight to one section of the iron wire, connect the rock specimen at the other end bypassing the pulley, start the computer program, and set the time interval as required.

3) Place the glass dish on the base, adjust the height of the liquid level in the glass dish back and forth so that it just touches the bottom surface of the rock specimen, place the weight on the electronic scale, and read the reading N of the electronic scale, and pass Computer recording, using computer software to automatically and continuously record electronic scale readings N ₁ , N ₂ , N ₃ ,..., N _n at preset time intervals.

4) After the experiment is completed, subtract N ₁ , N ₂ , N ₃ , ..., N _n from N in order to obtain the real-time rock wash volume, among which, A, B, N, N ₁ , N ₂ , The units of N ₃ , ..., N _n are all g.

Claims (3)

1. it is a kind of it is real-time measurement rock liquid absorption device, it is characterised in that it includes：Base (1), vertical rod (2), mobile support (3), pulley (4), steel wire rope (5), rock sample (6), glass dish (7), solution (8), counterweight (9), electronic scale pallet (10), electricity Sub- scale (11), holding wire (12), electronic scale power supply (13), computer (14), computer power supply (15), electric wire (16), connection side Case is that an inclined side position on base is stood in base (1) horizontal positioned, vertical rod (2), and mobile support (3) is fixed in vertical rod (2), Pulley (4) is fixed on mobile support (3), and glass dish (7) is placed on base (1), and rock sample is suspended in midair by steel wire rope (5) In glass dish (7) top, just contact with solution (8) liquid level, steel wire rope (5) is wound on pulley (4) and is connected with counterweight (9), weight Code (9) is placed in electronic scale pallet (10), and electronic scale (11) connects computer (14), electronic scale (11) by holding wire (12) Jing electric wires (16) connect electronic scale power supply (13), and computer (14) Jing electric wires (16) connect computer power supply (15).

2. it is according to claim 1 it is a kind of it is real-time measurement rock liquid absorption device it is characterized in that, above-mentioned mobile support (3) Can move up and down in vertical rod (2)；The section of glass dish (7) should be more than the cross section of 10 times of rock samples (6)；Counterweight (9) Weight should be more than 2 times of rock sample (6) weight；Pulley (4) diameter should be not less than 20mm；The degree of accuracy of electronic scale (11) is extremely It is less mg.

3. a kind of device of real-time measurement rock liquid absorption according to claim 1 is characterized in that, connection counterweight (9) and rock Liquid level and counterweight (9) weight are joined in steel wire rope (5) length, glass dish (7) diameter, the glass dish (7) of stone test specimen (6) Number, should determine according to rock sample (6) size, suitably be adjusted in an experiment；During measurement, by the rock sample (6) It is connected on steel wire rope (5), steel wire rope (5) Jing pulleys (4) are connected to counterweight (9), counterweight (9) is placed into electronic scale pallet (10) On.