CN219412538U

CN219412538U - Coal bed gas well monitoring device

Info

Publication number: CN219412538U
Application number: CN202320683434.0U
Authority: CN
Inventors: 曹超; 杨宇鸿; 姚明昊
Original assignee: Xi'an Tianshu Energy Technology Co ltd
Current assignee: Xi'an Tianshu Energy Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-25
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to the technical field of coalbed methane monitoring and discloses a coalbed methane well monitoring device which comprises a first shell and a stratum, wherein a second shell is fixedly arranged on one side of the first shell, a motor is fixedly arranged in the second shell, the output end of the motor is fixedly connected with a rotating shaft, a roller is fixedly arranged on the rotating shaft, a lifting rope is wound on the outer wall of the roller, the lower end of the lifting rope is fixedly provided with a lifting plate, the outer wall of the lifting rope is provided with a cover plate at the upper end of the lifting plate, connecting rods are fixedly arranged on two sides of the lower end of the lifting plate, protective shells are fixedly arranged at the lower ends of the two connecting rods, and the two protective shells are formed by splicing an upper shell and a lower shell. According to the utility model, the device can monitor the temperature and the gas concentration at different depths in the well, the wellhead has higher tightness, the detachable protective frame is arranged at the sensor, the service life of the sensor is prolonged, and the practicability of the device is improved.

Description

Coal bed gas well monitoring device

Technical Field

The utility model relates to the technical field of coalbed methane exploitation, in particular to a coalbed methane well monitoring device.

Background

Coalbed methane is a resource associated with coal, refers to hydrocarbon gas in a coal bed, takes methane as a main component, and belongs to unconventional natural gas. In the conventional production management process of a coal-bed gas well, the temperature and gas conditions in the well often need to be monitored according to different actual management requirements.

However, the current monitoring tool has insufficient protective measures, the sensor components are exposed without protection and are easily influenced by particles such as dust, the service life of the device is reduced, and a wellhead is not sealed during monitoring, so that the monitoring result is greatly error due to the influence of different weather. Accordingly, one skilled in the art would be able to provide a coalbed methane well monitoring device that addresses the problems set forth in the background above.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a coal-bed gas well monitoring device which can monitor the temperature and the gas concentration at different depths in a well, has higher tightness at a well mouth, and is provided with a detachable protective frame at an inductor, so that the service life of the inductor is prolonged, and the practicability of the device is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a coalbed methane well monitoring devices, includes first shell and stratum, first shell one side is fixed to be provided with the second shell, the inside fixed motor that is provided with of second shell, the output fixedly connected with pivot of motor, fixedly provided with running roller in the pivot, the winding of running roller outer wall is provided with the lifting rope, the fixed hanger plate that is provided with in lifting rope lower extreme, the lifting rope outer wall just is located the hanger plate upper end and is provided with the apron, hanger plate lower extreme both sides are all fixed to be provided with the connecting rod, two the connecting rod lower extreme is all fixed to be provided with the protective housing, two the protective housing is by the concatenation of upper and lower two shells, two the fixed outer rampart that is provided with of casing junction, two equal interval have been seted up on the outer rampart two the inside temperature sensor and the gas sensor of being provided with respectively of protective housing;

through above-mentioned technical scheme, the inductor adopts the lift mode, makes it monitor the well temperature and the gas of different degree of depth, starts through the motor, and lifting rope and lifting board slowly descend to in the well to drive temperature sensor and gas sensor under the lifting board and enter into the well, monitor it, and the lifting rope adopts the ni Luo Caizhi to make, has light and wear-resisting characteristic, has improved the practicality of device.

Further, connecting columns are fixedly arranged at four corners of the lower end of the cover plate, and iron balls are fixedly arranged at the lower ends of the four connecting columns;

through above-mentioned technical scheme, the apron can cover up the well head to increase the gravity of apron through the iron ball, thereby increase the leakproofness between apron and the well head, reduce because of weather reason to the error of in-well monitoring result, make the monitoring result more accurate, improved the monitoring effect of the device.

Further, a groove is formed in the middle of the lower end of the first shell, a protruding block is fixedly arranged at the upper end of the cover plate, and the protruding block is clamped in the groove;

through the technical scheme, when the device is not used, the protruding blocks are arranged in the grooves, the lifting rope is completely retracted into the first shell, the first shell is prevented from being wet, and the service life of the device is reduced.

Further, the rotating shaft penetrates through the second shell and extends into the first shell;

through above-mentioned technical scheme, not blocked when making the running roller function, operating space is bigger, prevent when lifting rope retrieves with the motor winding, cause the device to break down.

Further, the lifting rope is made of nylon materials;

through the technical scheme, the lifting rope is light, wear-resistant, quick and free in length, and sparks cannot be generated during collision.

Further, a plurality of fixing bolts are arranged at the upper end of the outer annular wall in a threaded manner, a plurality of nuts are fixedly arranged at the lower end of the outer annular wall, and the fixing bolts penetrate through the screw holes and are connected to the corresponding nuts in a threaded manner;

through above-mentioned technical scheme, be convenient for when using, the protective housing receives the collision of gravel to appear damaging because of protection temperature sensor and gas sensor in the well, can in time change to the life of device has been increased.

Further, support columns are fixedly arranged at four corners of the lower end of the first shell;

through above-mentioned technical scheme, make the support column can support whole device, the better observation of observer of being convenient for prevents to break down.

Further, well bodies are arranged in the middle of the four support columns and positioned in the stratum, and well heads are fixedly arranged at the upper ends of the well bodies;

through above-mentioned technical scheme, can be convenient for when the observer uses the device, be convenient for adjust the position of device, make temperature sensor and gas sensor accurate enter into in the well to monitor temperature and gas in the well.

The utility model has the following beneficial effects:

1. according to the coal-bed gas well monitoring device, the sensor monitors the temperature and gas in the wells at different depths in a lifting mode, and the lifting rope and the lifting plate slowly descend into the well through the motor, so that the temperature sensor and the gas sensor under the lifting plate are driven to enter the well to monitor the temperature sensor and the gas sensor, and the lifting rope is made of the nylon Luo Caizhi, so that the device has the characteristics of portability and wear resistance, and the practicability is improved.

2. According to the coal-bed gas well monitoring device provided by the utility model, the cover plate can cover the well mouth, and the gravity of the cover plate is increased through the iron balls, so that the tightness between the cover plate and the well mouth is increased, the error of the monitoring result in the well due to weather is reduced, the monitoring result is more accurate, and the monitoring effect of the device is improved.

3. According to the coal-bed gas well monitoring device, the detachable protective frame is arranged, so that the sensor is protected from being collided by gravel in the well when the device is used, the protective frame can be cleaned or replaced by detaching the fixing bolts on the outer annular wall, the monitoring effect is improved, and the service life of the device is prolonged.

Drawings

FIG. 1 is an elevation view of a coal-bed gas well monitoring apparatus according to the present utility model;

FIG. 2 is a front cross-sectional view of a coal-bed gas well monitoring device according to the present utility model;

FIG. 3 is a side view of a coal-bed gas well monitoring apparatus according to the present utility model;

fig. 4 is a schematic structural diagram of a protective housing of a coal-bed gas well monitoring device according to the present utility model;

fig. 5 is a schematic diagram of a supporting plate structure of a coal-bed gas well monitoring device according to the present utility model;

fig. 6 is an enlarged view at a in fig. 1.

Legend description:

1. a first housing; 2. a second housing; 3. a motor; 4. a rotating shaft; 5. a roller; 6. a hanging rope; 7. a cover plate; 8. a bump; 9. a connecting column; 10. a hanger plate; 11. a connecting rod; 12. iron balls; 13. a protective shell; 14. a temperature sensor; 15. a gas sensor; 16. an outer annular wall; 17. a screw hole; 18. a fixing bolt; 19. a nut; 20. a groove; 21. a support column; 22. a well bore; 23. a wellhead; 24. a formation; 25. a housing.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides a coalbed methane well monitoring devices, including first shell 1 and stratum 24, first shell 1 one side is fixed to be provided with second shell 2, the inside fixed motor 3 that is provided with of second shell 2, the output fixedly connected with pivot 4 of motor 3, fixedly provided with running roller 5 on pivot 4, the winding of running roller 5 outer wall is provided with lifting rope 6, lifting rope 6 lower extreme is fixed to be provided with hanger plate 10, hanger rope 6 outer wall just is located hanger plate 10 upper end and is provided with apron 7, hanger plate 10 lower extreme both sides are all fixed to be provided with connecting rod 11, two connecting rod 11 lower extreme are all fixed to be provided with protective housing 13, be provided with temperature sensor 14 and gas sensor 15 respectively in two protective housing 13 inside;

the sensor adopts the lifting mode, makes it monitor the temperature and the gas in the well of different degree of depth, starts through motor 3, and lifting rope 6 and hanger plate 10 slowly descend to in the well to drive temperature sensor 14 and the gas sensor 15 under the hanger plate 10 and enter into the well, monitor it, and lifting rope 6 adopts the ni Luo Caizhi to make, has light and wear-resisting characteristic, has improved the practicality of device.

The connecting columns 9 are fixedly arranged at four corners at the lower end of the cover plate 7, the iron balls 12 are fixedly arranged at the lower ends of the four connecting columns 9, the cover plate 7 can cover up the wellhead 23, and the gravity of the cover plate 7 is increased through the iron balls 12, so that the tightness between the cover plate 7 and the wellhead 23 is improved, errors of in-well monitoring results due to weather are reduced, the monitoring results are more accurate, and the monitoring effect of the device is improved.

The recess 20 has been seted up at first shell 1 lower extreme middle part, and apron 7 upper end is fixed to be provided with lug 8, and lug 8 joint is inside recess 20, can be when not using the device, place the lug 8 in recess 20, with lifting rope 6 indentation completely inside first shell 1, prevent that first shell 1 is inside to receive the humidity, reduces its life.

The pivot 4 runs through second shell 2 and stretches into inside first shell 1, makes running roller 5 not receive the hindrance when the function, and operating space is bigger, prevents when lifting rope 6 is retrieved with motor 3 winding, causes the device to break down.

The lifting rope 6 is made of nylon material, so that the lifting rope 6 is light, wear-resistant, quick, free from spark during collision and free in length.

The outer annular wall 16 upper end screw thread of upper end is provided with a plurality of fixing bolts 18, and the outer annular wall 16 lower extreme of lower extreme is fixed to be provided with a plurality of nuts 19, and a plurality of fixing bolts 18 run through screw 17 and threaded connection is on corresponding nut 19, and the protective housing 13 receives the collision of gravel and appears damaging in the well because of protection temperature sensor 14 and gas sensor 15 when using conveniently, can in time change to the life of the device has been increased.

The support column 21 is all fixedly arranged at four corners of the lower end of the first shell 1, so that the support column 21 can support the whole device, and is convenient for observers to observe better, and faults are prevented.

Well 22 has been seted up at four support column 21 middles and in being located stratum 24, and well 22 upper end is fixed to be provided with well head 23, can be convenient for when the observer uses the device, is convenient for adjust the position of device, makes temperature sensor 14 and gas sensor 15 accurate enter into in the well to monitor temperature and gas in the well.

Working principle: when the coal-bed gas well monitoring device is used, the device is vertically placed at a well 22, a groove 20 is positioned in the middle of a well mouth 23, a motor 3 is started, a hanging plate 10, a cover plate 7 and a lug 8 move synchronously along with the descending of a hanging rope 6, when the cover plate 7 is positioned at the well mouth 23, the cross section of the cover plate 7 is larger than that of the well mouth 23, the cover plate 7 is influenced by the vertical gravity of an iron ball 12, the cover plate 7 seals the well mouth 23, the hanging rope 6 continuously descends at the moment, so that a temperature sensor 14 and a gas sensor 15 at the lower end of the hanging plate 10 are driven to synchronously descend, the temperature and the gas degree in the well are monitored, after the monitoring is finished, the motor 3 is reversely rotated, the hanging plate 10, the cover plate 7 and the lug 8 move upwards until the lug 8 moves into the groove 20, and then a protective shell 13 can be detached through a fixing bolt 18 to be cleaned or replaced, and the service life of the device is prolonged.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A coal-bed gas well monitoring device comprising a first housing (1) and a formation (24), characterized in that: the utility model discloses a temperature sensor, including first shell (1), second shell (2) inside fixedly provided with motor (3), the output fixedly connected with pivot (4) of motor (3), fixedly provided with running roller (5) on pivot (4), running roller (5) outer wall winding is provided with lifting rope (6), lifting rope (6) lower extreme is fixedly provided with hanger plate (10), lifting rope (6) outer wall just is located hanger plate (10) upper end and is provided with apron (7), hanger plate (10) lower extreme both sides are all fixedly provided with connecting rod (11), two connecting rod (11) lower extreme is all fixedly provided with protective housing (13), two protective housing (13) are formed by upper and lower two casing (25) concatenation, two outer ring wall (16) are fixedly provided with on casing (25) junction, two equal distance has seted up screw (17) on outer ring wall (16), two inside temperature sensor (14) of being provided with respectively of protective housing (13).

2. The coal-bed gas well monitoring device as claimed in claim 1, wherein: connecting columns (9) are fixedly arranged at four corners of the lower end of the cover plate (7), and iron balls (12) are fixedly arranged at the lower ends of the four connecting columns (9).

3. The coal-bed gas well monitoring device as claimed in claim 1, wherein: the novel anti-theft device is characterized in that a groove (20) is formed in the middle of the lower end of the first shell (1), a protruding block (8) is fixedly arranged at the upper end of the cover plate (7), and the protruding block (8) is clamped inside the groove (20).

4. The coal-bed gas well monitoring device as claimed in claim 1, wherein: the rotating shaft (4) penetrates through the second housing (2) and extends into the first housing (1).

5. The coal-bed gas well monitoring device as claimed in claim 1, wherein: the lifting rope (6) is made of nylon materials.

6. The coal-bed gas well monitoring device as claimed in claim 1, wherein: the upper end of the outer annular wall (16) at the upper end is provided with a plurality of fixing bolts (18) in a threaded manner, the lower end of the outer annular wall (16) at the lower end is fixedly provided with a plurality of nuts (19), and the fixing bolts (18) penetrate through the screw holes (17) and are connected to the corresponding nuts (19) in a threaded manner.

7. The coal-bed gas well monitoring device as claimed in claim 1, wherein: support columns (21) are fixedly arranged at four corners of the lower end of the first shell (1).

8. The coal-bed gas well monitoring device as claimed in claim 7, wherein: well bodies (22) are formed in the middle parts of the four supporting columns (21) and located in stratum (24), and well heads (23) are fixedly arranged at the upper ends of the well bodies (22).