Rock debris cleaning device for shale gas logging

Abstract

The utility model discloses a rock debris cleaning device for shale gas logging. The rock debris cleaning device comprises a base and a cleaning assembly. The cleaning assembly comprises a mounting base and a cleaning cylinder, the cleaning cylinder is rotatably mounted on the mounting base along the axis in the first direction, one end of the cleaning cylinder is open, the cleaning cylinder is used for containing rock debris, the mounting base is rotatably mounted on the base along the axis in the second direction, and the cleaning cylinder is used for containing rock debris. The discharging state is that the opening faces downwards, and the cleaning state is that the opening faces the horizontal direction. The rock debris in the cleaning cylinder can be quickly discharged by turning over the cleaning cylinder, so that the discharging time is shortened, and the efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of petroleum and natural gas exploration technology, specifically relates to a shale gas well logging with cutting washing unit. BACKGROUND

[0002] Geological logging cannot be separated from the observation and analysis of the cutting carried out of the well by the drilling fluid, and the cutting carried back to the ground from the downhole drilling fluid often has drilling fluid dirt, sand and other impurities affecting observation, in order to restore the essence of cutting, facilitate observation, cutting cleaning becomes an important work of geological logging site.

[0003] Patent CN221734216U discloses a geological logging sand washing device, including sand washing pool and sand washing cylinder transversely rotatably arranged on the sand washing pool, a plurality of through holes are arranged on the surface of the sand washing cylinder in annular interval equidistance, a plurality of silica gel brushes are distributed on the inner wall of the sand washing cylinder in annular interval equidistance, a support frame is installed on the top of the sand washing pool, a water spraying pipe is installed on the inner top of the support frame.

[0004] The above prior art still needs to rotate the sand washing cylinder after cleaning to discharge the cutting from the sand outlet, and the discharging time is long and the efficiency is low. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the above technical insufficiency, and provides a shale gas well logging with cutting washing unit, which solves the technical problems of the prior art that the sand washing cylinder still needs to be rotated after cleaning to discharge the cutting from the sand outlet, and the discharging time is long and the efficiency is low.

[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a shale gas well logging with cutting washing unit, which comprises:

[0008] A base; and

[0009] A cleaning assembly, comprising a mounting seat and a cleaning cylinder, the cleaning cylinder is rotatably installed on the mounting seat along the axis in the first direction, one end of the cleaning cylinder is provided with an opening, and the cleaning cylinder is used for containing cutting, wherein the mounting seat is rotatably installed on the base along the axis in the second direction, has a discharging state of rotating to the opening downward and a cleaning state of rotating to the opening towards the horizontal direction.

[0010] In some embodiments, the middle part of the mounting seat is rotatably installed on the base along the axis in the second direction.

[0011] In some embodiments, the shale gas logging debris cleaning device further comprises a fixing assembly arranged on the base, and the fixing assembly is connected with the mounting seat to limit the rotation of the mounting seat when the cleaning state is reached.

[0012] In some embodiments, the fixing assembly comprises an electromagnet arranged on the base and a suction member arranged on the mounting seat, and the electromagnet is magnetically attracted to the suction member when the electromagnet is powered on when the cleaning state is reached.

[0013] In some embodiments, the diameter of the cleaning cylinder gradually decreases in the direction towards the opening.

[0014] In some embodiments, the cleaning assembly further comprises a driving assembly arranged on the mounting seat, and the driving assembly is connected with the other end of the cleaning cylinder to drive the rotation of the cleaning cylinder.

[0015] In some embodiments, the cleaning cylinder and the driving assembly are detachably connected.

[0016] In some embodiments, the circumference of the cleaning cylinder is hollowed out.

[0017] In some embodiments, the cleaning assembly further comprises a housing arranged on the mounting seat, and the housing is arranged on the outer periphery of the cleaning cylinder, the internal space of the housing and the cleaning cylinder form a liquid storage cavity, and the housing is further provided with a liquid discharge port communicating with the liquid storage cavity.

[0018] In some embodiments, one side of the housing is provided with a relief hole.

[0019] The opening end of the cleaning cylinder extends out of the housing from the relief hole.

[0020] Compared with the prior art, the shale gas logging debris cleaning device provided by the utility model, the cleaning cylinder is rotatably arranged on the mounting seat, the mounting seat is rotatably arranged on the base, and the rotation axes of the cleaning cylinder and the mounting seat are perpendicular to each other, and in specific use, first, the mounting seat is rotated to reach the cleaning state, at this time, the cleaning cylinder is arranged horizontally, the debris is loaded into the cleaning cylinder from the opening, and clean water is injected into the cleaning cylinder to clean the debris, and the cleaning cylinder is rotated to drive the debris to overturn, after the cleaning of the debris is completed, the rotation of the cleaning cylinder is stopped, and the mounting seat is rotated to reach the discharge state, at this time, the cleaning cylinder is arranged vertically and the opening faces downward, and the debris is discharged from the cleaning cylinder under the action of its own gravity, and the discharge is completed, the debris in the cleaning cylinder can be quickly discharged by overturning the cleaning cylinder, the discharge time is shortened, and the efficiency is improved.

[0021] The above description is only a summary of the technical scheme of the present application, in order to make the technical means of the present application more clearly understood, and can be implemented according to the content of the specification, and the preferred embodiments of the present application are described in detail as follows. The specific embodiments of the present application are described in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of a shale gas logging cuttings cleaning device provided by the present application in an embodiment;

[0023] Figure 2 is Figure 1 is a left view of the shale gas logging cuttings cleaning device;

[0024] Figure 3 is Figure 1 is a three-dimensional schematic view of the cleaning cylinder.

[0025] MARKED FOR EXPLANATION:

[0026] 1-base, 2-cleaning assembly, 21-mounting seat, 22-cleaning cylinder, 23-driving assembly, 231-driving motor, 232-reducer, 24-housing, 241-liquid storage cavity, 242-liquid discharge port, 25-rotating shaft, 3-fixing assembly, 31-electromagnet, 32-suction accessory. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the present application more clear and clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0028] In order to solve the technical problems of the prior art that the sand washing cylinder needs to be rotated continuously after cleaning to discharge the cuttings from the sand discharge port, the discharge time is long and the efficiency is low, the present application provides a shale gas logging cuttings cleaning device, which can quickly discharge the cuttings in the cleaning cylinder by overturning the cleaning cylinder, shorten the discharge time and improve the efficiency.

[0029] Please refer to Figure 1 , Figure 1 is a structural schematic view of a shale gas logging cuttings cleaning device in an embodiment of the present application.

[0030] The utility model provides a kind of shale cleaning device for shale gas logging, including pedestal 1 and cleaning assembly 2;The cleaning assembly 2 includes mounting seat 21 and cleaning cylinder 22, the cleaning cylinder 22 is rotatably mounted in the mounting seat 21 along the axis in the first direction, the cleaning cylinder 22 is provided with opening at one end, and the cleaning cylinder 22 is used to accommodate rock debris, wherein the mounting seat 21 is rotatably mounted on the pedestal 1 along the axis in the second direction, has the discharging state of rotating to the opening downward and the cleaning state of rotating to the opening towards horizontal direction, and the first direction and the second direction are perpendicular to each other.

[0031] In the embodiment, referring to Figures 1 to 3 , the cleaning cylinder 22 is rotatably mounted on the mounting seat 21, the mounting seat 21 is rotatably mounted on the pedestal 1, and the rotation axes of the cleaning cylinder 22 and the mounting seat 21 are perpendicular to each other, and in specific use, first rotate the mounting seat 21 to make it in the cleaning state, at this time, the cleaning cylinder 22 is horizontally arranged, rock debris is loaded into the cleaning cylinder 22 from the opening, and clean water is injected into the cleaning cylinder 22 to clean the rock debris, while rotating the cleaning cylinder 22, the rock debris is turned over by the cleaning cylinder 22, after the cleaning of the rock debris is completed, stop rotating the cleaning cylinder 22, and rotate the mounting seat 21 to make it in the discharging state, at this time, the cleaning cylinder 22 is vertically arranged and the opening faces downward, and the rock debris is discharged from the cleaning cylinder 22 under the action of its own gravity, and the discharging is completed, the rock debris in the cleaning cylinder 22 can be quickly discharged by turning over the cleaning cylinder 22, the discharging time is shortened, and the efficiency is improved.

[0032] The position of the mounting seat 21 rotatably mounted is not limited, can be that one end of the mounting seat 21 rotatably mounted on the pedestal 1 along the two opposite ends in the first direction, or other regions of the mounting seat 21 rotatably mounted on the pedestal 1, in the embodiment, the mounting seat 21 is rotatably mounted on the pedestal 1 along the axis in the second direction.

[0033] Specifically, referring to Figure 1 and Figure 2 , two mounting protrusions are arranged on the upper end of the pedestal 1, the two mounting protrusions are spaced apart along the second direction, the mounting seat 21 is rotatably mounted on the pedestal 1 along the axis in the second direction, has the discharging state of rotating to the opening downward and the cleaning state of rotating to the opening towards horizontal direction, and the first direction and the second direction are perpendicular to each other.

[0034] Further, the form of driving the mounting base 21 to rotate is not limited, and can be manually driven or driven by a driving device. When manually driven, the cleaning assembly 2 further comprises a hand wheel fixedly installed at one end of the rotating shaft, so as to drive the rotating shaft 25 and the mounting base 21 to rotate through the hand wheel. When driven by the driving device, the cleaning assembly 2 further comprises a driving mechanism arranged on the base 1, and a driving part of the driving mechanism is connected with the mounting base 21, so as to drive the mounting base 21 to rotate through the driving mechanism.

[0035] Further, the driving mechanism is one of a pneumatic cylinder, a hydraulic cylinder and an electric cylinder. Taking the electric cylinder as an example, one end of the electric cylinder is rotatably installed on the base 1, and one end of a push rod of the electric cylinder is rotatably connected with the mounting base 21, so as to drive the mounting base 21 to rotate through the push rod arranged in an extending and retracting mode, wherein the push rod constitutes the driving part.

[0036] In another embodiment, the driving mechanism comprises a motor, and a main shaft of the motor is connected with the cleaning barrel.

[0037] In the embodiment, please refer to Figure 1 and Figure 2 In the cleaning process, the cleaning assembly 2 will shake due to the overturning of the rock debris under the driving of the cleaning barrel 22. In order to avoid the accidental rotation of the mounting base 21, the shale gas logging rock debris cleaning device further comprises a fixing assembly 3 arranged on the base 1, so as to be connected with the mounting base 21 in the cleaning state, thereby limiting the rotation of the mounting base 21.

[0038] In the embodiment, please refer to Figure 1 and Figure 2 The fixing assembly 3 comprises an electromagnet 31 and a suction accessory 32. The electromagnet 31 is arranged on the base 1, and the suction accessory 32 is arranged on the mounting base 21, so as to be magnetically attracted with the suction accessory 32 in the cleaning state.

[0039] Specifically, the suction accessory 32 is arranged at the end of the mounting seat 21 away from the opening, and the electromagnet 31 is arranged at the area corresponding to the suction accessory 32 of the base 1. When in the cleaning state, the electromagnet 31 and the suction accessory 32 abut against each other. At this time, the electromagnet 31 is powered to generate a magnetic attraction force, so as to be magnetically attracted to the suction accessory 32, so as to fix the mounting seat 21 and prevent it from rotating. After the cleaning is completed, the electromagnet 31 is powered off, the electromagnet 31 and the suction accessory 32 are disengaged from the magnetic attraction, and the mounting seat 21 can drive the cleaning cylinder 22 to overturn under the external force and be in the discharging state. Through the cooperation of the electromagnet 31 and the suction accessory 32, the purpose of limiting the rotation of the mounting seat 21 is achieved, which is simple to operate and convenient to use.

[0040] In the embodiment, please refer to Figure 1 and Figure 3 Since the cleaning cylinder 22 is open, in order to prevent the rock debris from falling from the opening during the cleaning process, the diameter of the cleaning cylinder 22 gradually decreases in the direction towards the opening. That is, the opening of the cleaning cylinder 22 is arranged in a tapering manner. During use, the rock debris will gather towards the bottom of the cleaning cylinder 22 under the action of its own gravity, so as to avoid sliding out of the opening.

[0041] Specifically, the cavity in the cleaning cylinder 22 is divided into a first section, a second section and a third section from the opening to the bottom of the cleaning cylinder 22. The first section and the third section are straight cylinder sections, the diameter of the third section is greater than that of the first section, and the second section is a gradual change section arranged in a tapering manner in the direction towards the opening. Such an arrangement can effectively prevent the rock debris from sliding out.

[0042] Further, the inner side wall of the cleaning cylinder 22 is also provided with a plurality of ribs. The plurality of ribs are arranged in a spaced manner along the circumferential direction of the cleaning cylinder 22, and the ribs are arranged in a spiral manner. The spiral direction of the ribs is arranged in the opposite direction to the rotation direction of the cleaning cylinder 22. The ribs are arranged in this way, on the one hand, to facilitate the rock debris to tumble in the cleaning cylinder 22, so as to achieve a better cleaning effect, and on the other hand, to transport the rock debris towards the bottom of the cleaning cylinder 22, so as to prevent the rock debris from sliding out.

[0043] In the embodiment, please refer to Figure 1 The cleaning assembly 2 further comprises a driving assembly 23 arranged in the mounting seat 21. The driving assembly 23 is connected to the other end of the cleaning cylinder 22, so as to drive the cleaning cylinder 22 to rotate.

[0044] Specifically, the driving assembly 23 comprises a speed reducer 232 and a driving motor 231, the speed reducer 232 is installed on the mounting base 21, the main shaft of the driving motor 231 is connected with the speed reducer 232, and the speed reducer 232 is connected with the other end of the cleaning barrel 22.

[0045] In the embodiment, the cleaning barrel 22 and the driving assembly 23 are detachably connected.

[0046] Specifically, the bottom of the cleaning barrel 22 is provided with a through hole, the outer periphery of the main shaft of the speed reducer 232 is provided with a thread, and the driving assembly 23 further comprises a compression nut, the cleaning barrel 22 is arranged on the main shaft, and the compression nut is threadedly connected with the main shaft, so that the cleaning barrel 22 is locked on the main shaft, thereby facilitating later disassembly and maintenance.

[0047] In the embodiment, please refer to Figure 3 In order to timely discharge sewage in the cleaning process, the cleaning barrel 22 is provided with a hollow structure.

[0048] Specifically, a plurality of small through holes are arranged on the circumference of the cleaning barrel 22, and the through holes are uniformly arranged on the circumference of the cleaning barrel 22, so that the cleaning barrel 22 forms a hollow structure, and the diameter of the through holes is smaller than the particle size of the rock debris.

[0049] In the embodiment, please refer to Figure 1 In order to avoid sewage overflow and pollute the environment, the cleaning assembly 2 further comprises a shell 24, the shell 24 is arranged on the mounting base 21, the shell 24 is arranged on the outer periphery of the cleaning barrel 22, the inner space of the shell 24 and the cleaning barrel 22 form a liquid storage cavity 241, and the shell 24 is further provided with a liquid discharge port 242 communicating with the liquid storage cavity 241. During use, the sewage generated in the cleaning process flows out of the cleaning barrel 22 through the through holes and enters the liquid storage cavity 241, and the sewage can be discharged through the liquid discharge port 242 after the cleaning is completed, so that the environment is prevented from being polluted.

[0050] Further, the liquid discharge port 242 is located at the bottom of the shell 24.

[0051] Further, the cleaning assembly 2 further comprises a valve assembly, the valve assembly is provided with the liquid discharge port 242 and is used for controlling the opening and closing of the liquid discharge port 242.

[0052] In the embodiment, one side of the shell 24 is provided with a avoiding hole, and the open end of the cleaning barrel 22 extends out of the shell 24 from the avoiding hole. In this way, the rock debris can be conveniently fed into the cleaning barrel 22 from the opening.

[0053] In order to better understand the present application, the followingFigures 1 to 3 The technical scheme of the utility model is explained in detail as follows:

[0054] In use, first, the mounting seat 21 is rotated to the cleaning state, at this time, the cleaning cylinder 22 is horizontally arranged, the suction accessory 32 abuts against the electromagnet 31, the electromagnet 31 is electrified, the electromagnet 31 and the suction accessory 32 are magnetically attracted to fix the mounting seat 21 on the base 1, then the rock debris is loaded into the cleaning cylinder 22 from the opening, clean water is continuously injected into the cleaning cylinder 22 to clean the rock debris, meanwhile, the driving assembly 23 drives the cleaning cylinder 22, the cleaning cylinder 22 rotates along the axis in the first direction, so that the rock debris is continuously turned in the cleaning cylinder 22, after the cleaning of the rock debris is completed, the driving assembly 23 is turned off, the cleaning cylinder 22 stops rotating, the valve assembly is opened, the sewage in the liquid storage cavity 241 is discharged, the electromagnet 31 is turned off, then the mounting seat 21 is rotated to the discharging state, at this time, the cleaning cylinder 22 is vertically arranged and the opening faces downward, the rock debris is discharged from the cleaning cylinder 22 under the action of gravity, and the discharging is completed.

[0055] The above embodiment of the utility model does not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A shale gas mud logging cuttings cleaning device, characterized in that, It comprises: a base; and a cleaning assembly comprising a mounting seat and a cleaning cylinder, the cleaning cylinder being rotatably mounted on the mounting seat along an axis in a first direction, the cleaning cylinder being provided with an opening at one end, the cleaning cylinder being used to contain drill cuttings, wherein the mounting seat is rotatably mounted on the base along an axis in a second direction, having a discharge state with the opening facing downward and a cleaning state with the opening facing horizontally.

2. The shale gas mud logging cuttings cleaning device according to claim 1, characterized in that, The mounting seat is rotatably mounted on the base along an axis in the second direction.

3. The shale gas mud logging cutting cleaning device according to claim 1, characterized in that, The shale gas logging drill cuttings cleaning device further comprises a fixing assembly provided on the base, the fixing assembly being connected with the mounting seat to limit the rotation of the mounting seat in the cleaning state.

4. The shale gas mud logging cuttings cleaning device according to claim 3, characterized in that, The fixing assembly comprises an electromagnet provided on the base and a suction member provided on the mounting seat, the electromagnet being magnetically attracted to the suction member in the cleaning state.

5. The shale gas mud logging cutting cleaning device according to claim 1, characterized in that, The diameter of the cleaning cylinder gradually decreases in the direction towards the opening.

6. The shale gas logging cuttings cleaning device of claim 1, wherein, The cleaning assembly further comprises a driving assembly provided on the mounting seat, the driving assembly being connected with the other end of the cleaning cylinder to drive the rotation of the cleaning cylinder.

7. The shale gas mud logging cuttings cleaning device according to claim 6, characterized in that, The cleaning cylinder and the driving assembly are detachably connected.

8. The shale gas logging cuttings cleaning device of claim 1, wherein, The circumference of the cleaning cylinder is provided with a hollow structure.

9. The shale gas mud logging cuttings cleaning device according to claim 8, characterized in that, The cleaning assembly further comprises a shell provided on the mounting seat, the shell being sleeved on the outer circumference of the cleaning cylinder, the internal space of the shell and the cleaning cylinder forming a liquid storage cavity, the shell being further provided with a liquid discharge port communicating with the liquid storage cavity.

10. The shale gas mud logging cuttings cleaning device according to claim 9, characterized in that, One side of the shell is provided with a relief hole. The opening end of the cleaning cylinder extends out of the shell from the relief hole.

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