CN213205650U

CN213205650U - Gas sampling device for natural gas logging

Info

Publication number: CN213205650U
Application number: CN202021959330.0U
Authority: CN
Inventors: 马新龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-14
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a gas sampling device for natural gas logging in the technical field of natural gas logging, which comprises a sampling cavity, wherein the front end of the sampling cavity is rotationally connected with a first handle, the rear end of the first handle is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the upper end of the second bevel gear is fixedly connected with a threaded column; inside sliding connection of sample chamber has the slide, the inside fixedly connected with screw thread post sleeve of slide, slide lower extreme fixedly connected with guide sleeve, and sample chamber lower extreme threaded connection has the collection chamber, collects the chamber front end and rotates and be connected with handle two, handle two rear end fixedly connected with bevel gear three, and the meshing of the three upper ends of bevel gear is connected with the fluted disc, fluted disc lower extreme fixedly connected with tooth, fluted disc upper end fixedly connected with vortex fluted disc, vortex fluted disc upper end threaded connection has the slider, and slider upper end fixedly connected with guide block collects the inside fixedly connected with fixed block in chamber, the utility model discloses simple structure, work efficiency is high.

Description

Gas sampling device for natural gas logging

Technical Field

The utility model relates to a natural gas logging technical field specifically is a gas sampling device for natural gas logging.

Background

The natural gas logging technology is a logging method for directly analyzing the gas content in a drilled well. In the process of sampling gas for natural gas logging, a natural gas logging technology is used for analyzing the components and the content of the natural gas in the well on the flow-back in the well, so that the property of formation fluid is judged, when the natural gas is drilled, and the reservoir stratum is indirectly evaluated. If the natural gas logging data is not accurate or the gas content is not measured in time when the natural gas logging is drilled, engineering accidents such as well kick, blowout and the like can occur; therefore, if a simple and feasible gas sampling device for logging can be invented, the gas returned from the annulus can be better collected and subjected to component analysis, and the completion of logging work is ensured, which has important practical significance for the natural gas logging technology.

However, in the general process of natural gas logging, gas needs to be sampled, and a general sampling device can only take a local sample during sampling, and the gas sample taken by the sampling device is single and has insufficient representativeness, so that sampling in a large range needs to be carried out for multiple times, which wastes time and has low efficiency, and the requirements of people cannot be met. In addition, traditional gas sampling device for natural gas logging is after sampling gas, and is not good to the airtight effect of gas after the sample, causes the leakage, makes the test result error appear.

Therefore, the utility model provides a gas sampling device for natural gas logging to solve the problem that proposes among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas sampling device for natural gas logging to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a gas sampling device for natural gas logging comprises a sampling cavity, wherein the front end of the sampling cavity is rotatably connected with a first handle, the rear end of the first handle is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, and the upper end of the second bevel gear is fixedly connected with a threaded column; a sliding plate is connected inside the sampling cavity in a sliding manner, a threaded column sleeve is fixedly connected inside the sliding plate, a guide sleeve is fixedly connected at the lower end of the sliding plate, a guide column is connected inside the guide sleeve in a sliding manner, and a fixing plate II is fixedly connected at the lower end of the guide column; a first fixing plate is fixedly connected inside the sampling cavity, an air suction pump is fixedly connected at the lower end of the fixing plate, a pipeline penetrates through the sampling cavity, the bevel gear, the first fixing plate, the second fixing plate and the sliding plate, and a sampling port is fixedly connected at the upper end of the pipeline; sampling chamber lower extreme threaded connection has the collection chamber, collects the chamber front end and rotates and be connected with handle two, and handle two rear end fixedly connected with bevel gear is three, and the meshing of the three upper ends of bevel gear is connected with the fluted disc, fluted disc lower extreme fixedly connected with tooth, fluted disc upper end fixedly connected with vortex fluted disc, vortex fluted disc upper end threaded connection has the slider, and the fixed block of intracavity portion fixedly connected with guide block is collected to slider upper end fixedly connected with.

As a further aspect of the present invention: the first handle and the second handle are made of rubber materials, and the friction force can be increased, so that the handle cannot rotate and slide when in use.

As a further aspect of the present invention: the material of pipeline is PVC, and the shape is the column, and at the during operation, gathers comparatively danger to the natural gas, and the PVC material has nonflammability, weather resistant variation, corrosion resistance's characteristics, has not only guaranteed the life of device, security when still having improved the sample natural gas.

As a further aspect of the present invention: guide post and guide post sleeve are equipped with two, and are the symmetric distribution, and the during operation needs to make the screw thread post sleeve reciprocate, and at the in-process that the rotation that uses the screw thread post drove the guide post sleeve and remove, easily leads to screw thread post sleeve to rotate along with it, accomplishes the effect that screw thread post sleeve longitudinal movement, after using guide post and guide post sleeve, can reach the effect of restriction to the telescopic rotation of screw thread post, and two symmetric distributions can make the screw thread post sleeve reach more stable effect.

As a further aspect of the present invention: the contact position of the second handle and the collection cavity is sealed by the raw material belt, and the leakage of the sampled gas is prevented when the handle is rotated under the sealing effect of the raw material belt.

As a further aspect of the present invention: the slider is equipped with a plurality ofly, and the slider lower extreme is seted up the triangle-shaped shape and is coincide with the screw thread shape of vortex fluted disc upper end, and the shape of slider is 90 fan-shaped shape in addition, owing to use a plurality of sliders, and a plurality of sliders are 90 fan-shaped shape, can reach the slider and to the closed sealed effect in collection chamber.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

1. during operation, through rotating handle one, the rotation of handle one is driving the rotation of bevel gear one, the rotation of bevel gear one is driving the rotation of bevel gear two with it meshing, the rotation of bevel gear two is driving the rotation of screw thread post, screw thread post upper end threaded connection has screw thread post sleeve, under the combined action of slide, guide post sleeve, the guide post, fixed plate two, the telescopic longitudinal movement of screw thread post has been accomplished, the telescopic longitudinal movement of screw thread post is driving the longitudinal movement of pipeline, and then the removal of sample connection has been accomplished, the gas sample that has solved sampling device and has taken out is more local, the not enough problem of representativeness, the effect of carrying out the collection to the gas of different positions through a collection mouth has been reached.

2. When the gas sampling device works, the second handle is rotated, the third bevel gear fixedly connected with the rear end of the second handle is rotated by the rotation of the second handle, the third bevel gear rotates to drive the fluted disc meshed with the third bevel gear to rotate, the fluted disc is fixedly connected with the vortex fluted disc, the rotation of the fluted disc drives the vortex fluted disc to rotate, and the rotation of the vortex fluted disc, the fixed block and the guide block jointly act to move the connected sliding block with the upper end of the vortex fluted disc in threaded connection with the vortex fluted disc, so that the problems that a gas sampling device for natural gas logging is used for sucking sampled gas, the gas after sampling is poor in sealing effect and causes leakage, and the test result causes errors are solved, and the effects of sealing tightly and detecting and.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the present invention viewed from the top;

fig. 4 is a schematic sectional view of the present invention viewed from the bottom.

In the figure: 1-sampling cavity, 2-fixing plate I, 3-handle I, 4-bevel gear I, 5-bevel gear II, 6-threaded column, 7-fixing plate II, 8-threaded column sleeve, 9-sliding plate, 10-guide column sleeve, 11-guide column, 12-air pump, 13-collection cavity, 14-handle II, 15-bevel gear III, 16-fluted disc, 17-tooth, 18-vortex fluted disc, 19-sliding block, 20-fixing block, 21-guide block, 22-sampling port and 23-pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a gas sampling device for natural gas logging is provided.

A gas sampling device for natural gas logging comprises a sampling cavity 1, wherein the front end of the sampling cavity 1 is rotatably connected with a first handle 3, the rear end of the first handle 3 is fixedly connected with a first bevel gear 4, the first bevel gear 4 is in meshed connection with a second bevel gear 5, and the upper end of the second bevel gear 5 is fixedly connected with a threaded column 6; a sliding plate 9 is connected inside the sampling cavity 1 in a sliding manner, a threaded column sleeve 8 is fixedly connected inside the sliding plate 9, a guide sleeve 10 is fixedly connected at the lower end of the sliding plate 9, a guide column 11 is connected inside the guide sleeve 10 in a sliding manner, and a fixing plate II 7 is fixedly connected at the lower end of the guide column 11; a first fixing plate 2 is fixedly connected inside the sampling cavity 1, the lower end of the first fixing plate 2 is fixedly connected with an air pump 12, a pipeline 23 penetrates through the sampling cavity 1, the second bevel gear 5, the first fixing plate 2, the second fixing plate 7 and the sliding plate 9, and a sampling port 22 is arranged at the upper end of the pipeline 23; sampling chamber 1 lower extreme threaded connection has collection chamber 13, it is connected with second handle 14 to collect 13 front ends rotations in chamber, the third bevel gear 15 of 14 rear end fixedly connected with in handle, the meshing of the third bevel gear 15 upper end is connected with fluted disc 16, fluted disc 16 lower extreme fixedly connected with tooth 17, fluted disc 16 upper end fixedly connected with vortex fluted disc 18, vortex fluted disc 18 upper end is equipped with the thread dish, vortex fluted disc 18 upper end threaded connection has slider 19, slider 19 upper end fixedly connected with guide block 21, collect the inside fixedly connected with fixed block 20 in chamber 13.

The surfaces of the first handle 3 and the second handle 14 are made of rubber materials, and the handles are made of the rubber materials, so that friction force can be increased, and the handles cannot rotate to slide when in use. The material of pipeline 23 is PVC, and the shape is the column, and at the during operation, gathers comparatively dangerous to the natural gas, and the PVC material has nonflammability, weather resistant variation, corrosion resistance's characteristics, has not only guaranteed the life of device, security when still having improved the sample natural gas. Guide post 11 and guide post sleeve 10 are equipped with two, and be the symmetric distribution, in operation, need make screw thread post sleeve 8 reciprocate, the in-process that uses screw thread post 6 to rotate and drive guide post sleeve 8 and remove, easily lead to screw thread post sleeve 8 to rotate along with it, accomplish the effect that does not become screw thread post sleeve 8 longitudinal movement, after using guide post 6 and guide post sleeve 8, can reach the effect of restriction to screw thread post sleeve 8's rotation, two symmetric distributions can make screw thread post sleeve 8 reach more stable effect. The contact position of the second handle 14 and the collection cavity 13 is sealed by the raw material belt, and the effect of preventing the sampled gas from leaking when the handle is rotated is achieved under the sealing effect of the raw material belt. The slide blocks 19 are arranged in a plurality of numbers, the lower ends of the slide blocks 19 are provided with triangular shapes which are matched with the thread shapes at the upper ends of the vortex fluted discs 18, and the slide blocks are in 90-degree fan-shaped shapes, so that the effect of the slide blocks on the closed sealing of the collecting cavity 13 can be achieved due to the use of the slide blocks 18 and the fact that the slide blocks 18 are in 90-degree fan-shaped shapes.

The utility model discloses a theory of operation is: when the utility model is used, the rotation of the handle I3 drives the rotation of the bevel gear I4, the rotation of the bevel gear I4 drives the rotation of the bevel gear II 5 which is meshed with the bevel gear I4, the rotation of the bevel gear II 5 drives the rotation of the threaded post 6 which is fixedly connected with the upper end, because the fixed plate II 7 and the sliding plate 9 are fixedly connected inside the sampling cavity 1, the fixed plate and the sliding plate 9 are respectively and fixedly connected with the guide post 11 and the guide post 11 sleeve, and the guide post 11 is in sliding connection with the guide post 11, the sliding plate 9 and the threaded post sleeve 8 are fixedly connected, the rotation of the threaded post 6 drives the longitudinal movement of the threaded post sleeve 8, the longitudinal movement of the threaded post sleeve 8 drives the movement of the pipeline 23, and further the pipeline 23 is moved, and the gas can be collected at different positions by using the air pump 12 and the rotation of the handle I3, the gas enters the collecting cavity 13 through the pipeline 23, when the collecting cavity 13 is full of gas, the handle II 14 is rotated to rotate the bevel gear III 15 fixedly connected with the rear end, the rotation of the bevel gear III 15 drives the fluted disc 16 meshed with the bevel gear III to rotate, the rotation of the fluted disc 16 drives the vortex fluted disc 18 to rotate, the rotation of the vortex fluted disc 18 enables the sliding block 19 connected with the upper end of the vortex fluted disc to move, the gas is sealed under the action of the sliding blocks 19, the effect of sealing the gas is achieved, and the sampling gas for the natural gas well logging can be taken by rotating the thread between the sampling cavity 1 and the collecting cavity 13.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a gas sampling device for natural gas logging, includes sample chamber (1), its characterized in that: the front end of the sampling cavity (1) is rotatably connected with a first handle (3), the rear end of the first handle (3) is fixedly connected with a first bevel gear (4), the first bevel gear (4) is meshed with a second bevel gear (5), and the upper end of the second bevel gear (5) is fixedly connected with a threaded column (6); a sliding plate (9) is connected inside the sampling cavity (1) in a sliding manner, a threaded column sleeve (8) is fixedly connected inside the sliding plate (9), a guide sleeve (10) is fixedly connected at the lower end of the sliding plate (9), a guide column (11) is connected inside the guide sleeve (10) in a sliding manner, and a fixing plate II (7) is fixedly connected at the lower end of the guide column (11); a first fixing plate (2) is fixedly connected inside the sampling cavity (1), an air suction pump (12) is fixedly connected at the lower end of the first fixing plate (2), a pipeline (23) penetrates through the sampling cavity (1), a second bevel gear (5), the first fixing plate (2), the second fixing plate (7) and the sliding plate (9), and a sampling port (22) is arranged at the upper end of the pipeline (23); sample chamber (1) lower extreme threaded connection has collection chamber (13), it is connected with handle two (14) to collect chamber (13) front end rotation, handle two (14) rear end fixedly connected with bevel gear three (15), bevel gear three (15) upper end meshing is connected with fluted disc (16), fluted disc (16) lower extreme fixedly connected with tooth (17), fluted disc (16) upper end fixedly connected with vortex fluted disc (18), vortex fluted disc (18) upper end threaded connection has slider (19), slider (19) upper end fixedly connected with guide block (21), collect chamber (13) inside fixedly connected with fixed block (20).

2. The gas sampling device for natural gas logging according to claim 1, wherein: the surfaces of the first handle (3) and the second handle (14) are made of rubber materials.

3. The gas sampling device for natural gas logging according to claim 1, wherein: the pipeline (23) is made of PVC and is columnar.

4. The gas sampling device for natural gas logging according to claim 1, wherein: the guide post (11) and the guide post (11) sleeve are two and are symmetrically distributed.

5. The gas sampling device for natural gas logging according to claim 1, wherein: the contact position of the second handle (14) and the collection cavity (13) is sealed by a raw material belt.

6. The gas sampling device for natural gas logging according to claim 1, wherein: the number of the sliding blocks (19) is multiple, the lower end of each sliding block (19) is provided with a triangular shape matched with the shape of the vortex fluted disc (18), and the shape of each sliding block (19) is a sector shape of 90 degrees.