CN204807343U - Rock core post sample processingequipment - Google Patents

Abstract

The utility model provides a core column sample processing device. The core column sample processing device includes: a frame, the frame has a horizontal bearing surface, and the horizontal bearing surface is used to place rock samples, and the core column sample processing device also includes: a driving mechanism, which is arranged on the frame; The drill bit is drivingly connected with the driving mechanism, the axis of the hollow drill bit is set horizontally, the driving mechanism drives the hollow drill bit to rotate, and the driving mechanism drives the hollow drill bit to reciprocate along the extending direction of the axis. The application of the technical scheme of the utility model can solve the problem in the prior art that using the existing vertical processing device to drill the core column samples perpendicular to the horizontal bedding needs to cut off the precious rock samples and cause losses.

Description

Core column sample processing device

technical field

The utility model relates to the field of oil and gas field development, in particular to a core column sample processing device.

Background technique

In the oil extraction industry, the microscopic analysis of formations often begins with the analysis of core samples. In the laboratory, when performing formation permeability analysis or five-sensitivity experiments (through five-sensitivity experiments to detect the permeability of water flow to rock formations, and to detect the influence of water flow pressure difference on permeability, and the influence of water flow velocity on permeability, etc. ), first of all, the staff need to drill the rock sample through the drill bit to drill the core column sample, and further process and grind the core column sample to form the core column sample. When the geometric shape of the core column sample meets the experimental requirements, the staff to carry out the test operation.

When the staff studies the anisotropy of the rock sample, it is necessary to drill a core column sample perpendicular to the horizontal bedding of the rock sample or parallel to the horizontal bedding of the rock sample. The diameter of the core column sample is generally 1 inch. Workers usually use a hollow drill bit to drill the rock sample and then grind the core column sample. Since the axial length of the rock sample drilled from the underground rock formation is greater than the radial length, the existing core column sample processing device is generally Vertical, so when the core column sample is drilled on the rock sample, the feeding direction of the core column sample processing device is along the radial direction of the rock sample (the core column sample drilled at this time is parallel to the horizontal bedding of the rock sample) . When it is necessary to drill a core column sample perpendicular to the horizontal bedding, because the axial length of the rock sample is greater than the radial length, the staff has to cut off the rock sample, and then cut the rock sample with a smaller axial length along its axis. Place it in the vertical direction perpendicular to the horizontal direction, and then carry out the work of drilling the core column sample.

Because the cost of getting rock samples from the underground rock formation is very high, because the existing vertical processing device is used to drill the core column samples perpendicular to the horizontal bedding, precious rock samples need to be cut off, causing the entire rock sample to be fragmented. cause huge losses.

Utility model content

The main purpose of this utility model is to provide a kind of core column sample processing device, to solve the problem caused by cutting off precious rock samples when drilling core column samples perpendicular to the horizontal bedding using the existing vertical processing device in the prior art. The problem of loss.

In order to achieve the above object, an embodiment of the utility model provides a core column sample processing device, including: a frame, the frame has a horizontal bearing surface, and the horizontal bearing surface is used to place rock samples, and the core column sample processing device also includes: The driving mechanism is arranged on the frame; the hollow drill bit is drivingly connected with the driving mechanism, the axis of the hollow drill bit is arranged horizontally, the driving mechanism drives the hollow drill bit to rotate, and the driving mechanism drives the hollow drill bit to reciprocate along the extending direction of its axis.

Further, the driving mechanism includes: a power part, the power part is arranged on the frame, and the power part is drivingly connected with the hollow drill to drive the hollow drill to rotate; a feeding part, the feeding part is drivingly connected with the power part, and drives the feeding part along the The axis extension direction of the hollow drill reciprocates, and the hollow drill is connected to the feeding part.

Further, the core column sample processing device also includes a control system, which is connected with the power part to control the working state of the power part.

Further, the power part includes: a first drive motor, the first drive motor is movably installed on the horizontal bearing surface, and the first drive motor is drivingly connected with the feeding part to drive the feeding part to reciprocate along the axial extension direction of the hollow drill bit ; The second driving motor, the second driving motor is connected to the feeding part, the second driving motor moves synchronously with the feeding part, and the second driving motor is connected with the hollow drill to drive the hollow drill to rotate.

Further, the control system has a controller connected to the first drive motor to control the working state of the first drive motor.

Further, the control system also has an emergency stop control switch, which is used to manually control the shutdown of the power unit.

Further, the core column sample processing device also includes a cooling system, the cooling system is arranged on the frame, the cooling system has cooling nozzles, and when the hollow drill bit drills rock samples, the cooling nozzle sprays cooling liquid to the hollow drill bit.

Further, the cooling system also has a cooling liquid storage tank, and the cooling liquid storage tank communicates with the cooling nozzle.

Further, the cooling nozzle includes a first nozzle section and a second nozzle section, the first end of the first nozzle section communicates with the coolant storage tank, the second end of the first nozzle section communicates with the first end of the second nozzle section, The axis of the first nozzle section is perpendicular to the horizontal bearing surface, the second nozzle section is turned toward the rock sample, and the second end of the second nozzle section is opposite to the rock sample.

Further, the core column sample processing device further includes a clamping part, which is arranged on the horizontal bearing surface, and the clamping part clamps the rock sample.

Applying the technical solution of the utility model, the core column sample processing device includes a driving mechanism and a hollow drill bit, the hollow drill bit is driven by the driving mechanism, and the axis of the hollow drill bit is arranged horizontally, so that the driving mechanism drives the hollow drill bit to reciprocate along its axis and rotate at the same time , so as to realize the drilling of core column samples for rock samples. The application of the core column sample processing device realizes the drilling of core column samples on rock samples in the horizontal direction, so that it is no longer necessary to cut precious rock samples when drilling core column samples perpendicular to horizontal bedding, thereby protecting the The rock sample avoids the loss caused by the fragmentation of the rock sample when the rock sample is cut, and saves the test cost.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 shows a schematic structural view of an embodiment of a core column sample processing device according to the present invention.

Wherein, the above-mentioned accompanying drawings include the following reference signs:

1. Rock sample; 2. Clamping part;

3. Rack; 4. Hollow drill bit;

5. Feed department; 6. Power department;

7. Control system; 8. Cooling system;

81. Cooling nozzle; 811. The first nozzle section;

812, the second nozzle section; 82, the coolant storage tank;

31. Horizontal bearing surface.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Workers use large-scale drilling machines to drill underground rock formations, so as to extract cylindrical rock samples 1 with a diameter of about 20 cm. During the test of analyzing the underground rock formation, the staff cannot directly use the rock sample 1 for the test, and need to drill a cylindrical core column sample with a diameter of about 1 inch in the rock sample 1, so as to use the core column sample in the test.

As shown in FIG. 1 , this embodiment provides a core column sample processing device. The core column sample processing device includes a frame 3, the frame 3 has a horizontal bearing surface 31, and the horizontal bearing surface 31 is used for placing the rock sample 1. In this embodiment, the core column sample processing device also includes a driving mechanism and a hollow drill 4, wherein the driving mechanism is arranged on the frame 3, the hollow drill 4 is drivingly connected to the driving mechanism, the axis of the hollow drill 4 is arranged horizontally, and the driving The mechanism drives the hollow drill bit 4 to rotate, and the driving mechanism drives the hollow drill bit 4 to reciprocate along the extending direction of its axis.

The core column sample processing device includes a driving mechanism and a hollow drill bit 4, the hollow drill bit 4 is driven by the driving mechanism, and the axis of the hollow drill bit 4 is arranged horizontally, so that the driving mechanism drives the hollow drill bit 4 to reciprocate along its axis and rotate at the same time, thereby realizing Rock sample 1 was drilled for core column samples. Applying the core column sample processing device, it is realized to drill the core column sample on the rock sample 1 in the horizontal direction (that is, to realize the technology of horizontal core column sample processing), so that when drilling the core column perpendicular to the horizontal bedding It is no longer necessary to cut the precious rock sample 1 when sampling, thereby protecting the rock sample 1, avoiding the loss caused by the fragmentation of the rock sample 1 when cutting the rock sample 1, and saving the test cost.

In this embodiment, the drive mechanism includes a power part 6 and a feed part 5, the power part 6 is arranged on the frame 3, the power part 6 is connected with the hollow drill 4 to drive the hollow drill 4 to rotate, the feed part 5 and the power The part 6 is drivingly connected, and drives the feed part 5 to reciprocate along the axial extension direction of the hollow drill bit 4 , and the hollow drill bit 4 is connected to the feed part 5 . The hollow drill bit 4 is driven to reciprocate in the horizontal direction by the feeding part 5, so as to realize the feeding and retraction of the hollow drill bit 4 when drilling the core column sample.

In order to be able to accurately control the amount of movement of the feeder 5 and the hollow drill bit 4 in the process of drilling the core string sample (including the feed rate of the feeder 5 and the rotational speed of the hollow drill bit 4), the core string sample processing device also Including a control system 7, the control system 7 is connected with the power part 6 to control the working state of the power part 6 (that is, the control system 7 is used to control the start and stop of the power part 6 in the process of drilling core column samples, and by controlling the power part 6 To improve the rotating speed of hollow drill bit 4 or reduce the drilling speed of hollow drill bit 4, and keep the rotating speed of hollow drill bit 4 stable).

In this embodiment, the power part 6 of the core column sample processing device includes a first drive motor and a second drive motor. The first drive motor is movably installed on the horizontal bearing surface 31. The driving connection is to drive the feed part 5 to reciprocate along the axial extension direction of the hollow drill bit 4, the second drive motor is connected to the feed part 5, and the second drive motor moves synchronously with the feed part 5, and the second drive motor and the hollow drill bit 4 driving connections to drive the hollow drill bit 4 to rotate. The core column sample processing device utilizes the first driving motor to drive the feeding part 5 to realize feeding, and uses the second driving motor to drive the hollow drill bit 4 to realize rotation, so as to drill the core column sample from the rock sample 1 . The feeding part 5 and the hollow drill bit are respectively powered by the first driving motor and the second driving motor, so as to ensure the working stability of the feeding part 5 and the hollow drill bit 4 in the process of drilling the core column sample, and avoid the hollow drill bit 4. Due to insufficient kinetic energy, the mosaic in the rock sample 1 cannot move (in this case, it will not only cause damage to the motor, but also affect the normal drilling of the core column sample and affect the test process).

Specifically, the control system 7 has a controller, and the controller is connected with the first driving motor to control the working state of the first driving motor. The working state of the first driving motor includes the speed-up process, deceleration process and maintaining a stable rotating speed of the first driving motor. working process. The feeding amount of the feeding part 5 is precisely controlled by the controller, so as to process a better quality core column sample. Further, in order to be able to control the core column sample processing device to stop working at any time and deal with emergencies that occur during the drilling of the core column sample, the control system 7 also has an emergency stop control switch, which is used to manually close the Power unit6.

During the process of drilling the core column sample on the rock sample 1, due to the intense friction between the hollow drill bit 4 and the rock sample 1, the temperature of the hollow drill bit 4 rises sharply, so that the tool performance of the hollow drill bit 4 is affected ( That is to reduce the drill bit strength of the hollow drill bit 4), thereby resulting in unqualified drilling of the core column sample or even failure of the drilling work, which may seriously damage the core column sample processing device. In order to avoid the above situation, therefore, the core column sample processing device also includes a cooling system 8, the cooling system 8 is arranged on the frame 3, the cooling system 8 has a cooling nozzle 81, when the hollow drill bit 4 drills the rock sample 1, the cooling nozzle 81 spray coolant to the hollow drill bit 4. During the process of drilling the core column sample, the temperature of the hollow drill bit 4 is continuously cooled by the cooling system 8, so as to keep the tool performance of the hollow drill bit 4 intact.

In this embodiment, the cooling system 8 also has a cooling liquid storage tank 82 , and the cooling liquid storage tank 82 communicates with the cooling nozzle 81 . The core column sample processing device uses the coolant storage tank 82 to store a sufficient amount of coolant to cool the hollow drill bit 4 . In the cooling liquid storage tank 82, cooling water can be stored, and the hollow drill bit 4 can be cooled by cooling water; The drill bit 4 is cooled.

Preferably, the cooling nozzle 81 includes a first nozzle section 811 and a second nozzle section 812, the first end of the first nozzle section 811 communicates with the coolant storage tank 82, the second end of the first nozzle section 811 communicates with the second nozzle section The first end of 812 is connected, the axis of the first nozzle section 811 is perpendicular to the horizontal bearing surface 31, the second nozzle section 812 is turned towards the rock sample 1, and the second end of the second nozzle section 812 is opposite to the rock sample 1. Such setting can improve the spray speed and injection pressure of the coolant sprayed to the hollow drill bit 4 and the rock sample 1, so that the coolant can cool the drill bit cutter body that has drilled into the rock sample along the cutter body of the hollow drill bit 4, thereby better The hollow drill bit 4 is cooled.

As shown in FIG. 1 , the core column sample processing device of this embodiment further includes a clamping part 2 , which is arranged on a horizontal bearing surface 31 , and the clamping part 2 clamps the rock sample 1 .

When drilling the rock sample 1 to drill a core column sample parallel to the horizontal bedding of the rock sample 1, it is only necessary to place the axis of the rock sample 1 longitudinally on the horizontal bearing surface 31 and use the clamping part 2 to hold the rock sample 1 clamping (that is, the axis of the rock sample 1 is perpendicular to the horizontal bearing surface), then start and adjust the feed speed of the core column sample processing device and the rotating speed of the hollow drill bit 4, and the core column sample with a high pass rate can be processed, Workers do not need to cut off several sections of the rock sample 1 in the direction of its axis and then use the vertical processing device to drill the core column sample. When drilling a core column sample perpendicular to the horizontal bedding of the rock sample 1, it is only necessary to place the axis of the rock sample 1 horizontally and then use the clamping part 2 to clamp the rock sample 1, and start the core column sample processing device. Rock sample 1 carries out the work of drilling the core column sample. After the hollow drill bit 4 has drilled the rock sample 1 and the hollow drill bit 4 has been retracted, the core column sample cannot be directly removed. At this time, the staff needs to use a hammer to break the rock core column sample from the rock sample 1, and The core column sample is removed, and then further grinding is performed on the removed core column sample.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. a core column sample processing, comprise: frame (3), described frame (3) has horizontal bearing face (31), described horizontal bearing face (31) is for placing rock sample (1), it is characterized in that, described core column sample processing also comprises:

Driving mechanism, described driving mechanism is arranged in described frame (3);

Hollow boring bit (4), described hollow boring bit (4) drives with described driving mechanism and is connected, the axis horizontal of described hollow boring bit (4) is arranged, described driving mechanism drives described hollow boring bit (4) to rotate, and described driving mechanism drives described hollow boring bit (4) along its Axis Extension direction to-and-fro movement.

2. core column sample processing according to claim 1, is characterized in that, described driving mechanism comprises:

Power part (6), described power part (6) is arranged in described frame (3), and described power part (6) and described hollow boring bit (4) drive and be connected to drive described hollow boring bit (4) to rotate;

Feeding portion (5), described feeding portion (5) drives with described power part (6) and is connected, and driving described feeding portion (5) along the Axis Extension direction to-and-fro movement of described hollow boring bit (4), described hollow boring bit (4) is connected to described feeding portion (5).

3. core column sample processing according to claim 2, it is characterized in that, described core column sample processing also comprises control system (7), and described control system (7) is connected with described power part (6) duty controlling described power part (6).

4. core column sample processing according to claim 3, is characterized in that, described power part (6) comprising:

First drive motor, described first drive motor is arranged on described horizontal bearing face (31) movably, and described first drive motor and described feeding portion (5) drive the Axis Extension direction to-and-fro movement being connected to drive described feeding portion (5) along described hollow boring bit (4);

Second drive motor, described second drive motor is connected on described feeding portion (5), described second drive motor is with described feeding portion (5) synchronizing moving, and described second drive motor and described hollow boring bit (4) drive and be connected to drive described hollow boring bit (4) to rotate.

5. core column sample processing according to claim 4, is characterized in that, described control system (7) has controller, and described controller is connected with described first drive motor the duty controlling described first drive motor.

6. core column sample processing according to claim 3, is characterized in that, described control system (7) also has suddenly stops gauge tap, and described urgency stops the closedown of gauge tap for power part described in Non-follow control (6).

7. core column sample processing according to claim 1, it is characterized in that, described core column sample processing also comprises cooling system (8), described cooling system (8) is arranged in described frame (3), described cooling system (8) has cooling jet (81), when described hollow boring bit (4) drills through described rock sample (1), described cooling jet (81) sprays liquid coolant to described hollow boring bit (4).

8. core column sample processing according to claim 7, it is characterized in that, described cooling system (8) also has liquid coolant storage tank (82), and described liquid coolant storage tank (82) is communicated with described cooling jet (81).

9. core column sample processing according to claim 8, it is characterized in that, described cooling jet (81) comprises the first nozzle section (811) and the second nozzle section (812), the first end of described first nozzle section (811) is communicated with described liquid coolant storage tank (82), second end of described first nozzle section (811) is communicated with the first end of described second nozzle section (812), the axes normal of described first nozzle section (811) is in described horizontal bearing face (31), described second nozzle section (812) is turned towards described rock sample (1) and is arranged, and the second end of described second nozzle section (812) and described rock sample (1) are oppositely arranged.

10. core column sample processing according to claim 1, it is characterized in that, described core column sample processing also comprises clamping part (2), described clamping part (2) is arranged on described horizontal bearing face (31), and described clamping part (2) clamps described rock sample (1).