CN212296316U

CN212296316U - Liquid drainage and gas production device for natural gas well

Info

Publication number: CN212296316U
Application number: CN202021046480.2U
Authority: CN
Inventors: 尚雷雷; 闫雨华; 肖宇; 焦威力; 向绍和; 李亚森
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-01-05
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a natural gas well flowing back gas production device, including the earth's surface, the jar body is installed to the positive top of earth's surface, and is provided with the wall of a well in the positive below of earth's surface, the internal connection of the wall of a well has the cement well cementation layer, and the internally mounted of the wall of a well has the sleeve pipe, sheathed tube internally mounted has coupling mechanism, and sheathed tube inside is provided with the fluid-discharge tube. The utility model discloses in, under coupling mechanism's effect, when needs are connected the gas pipeline, then need be connected between the first ring flange that the sleeve pipe meets and another sheathed tube second ring flange, then need align first ring flange and the inside thread groove of second ring flange, then aim at first bolt and twist the twist, then twist first nut at another and consolidate, it is stable to make firm in connection between first ring flange and the second ring flange like this, install the sealing layer in the junction, prevent that the gas from revealing, the importance of gas collection has been guaranteed.

Description

Liquid drainage and gas production device for natural gas well

Technical Field

The utility model relates to a natural gas well flowing back gas production field especially relates to a natural gas well flowing back gas production device.

Background

Natural gas is a combustible gas existing in nature, is a fossil fuel, is one of safer fuel gases, does not contain carbon monoxide, is lighter than air, can be diffused upwards immediately once leaked, is not easy to accumulate to form explosive gas, has higher safety, and needs a special gas production device.

The connection process is very inconvenient when current natural gas well flowing back gas production device pipe connection, when carrying out the installation of counterpointing, and the operation process is very troublesome, when the natural gas is carried, does not filter impurity to its natural gas.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the connection process is very inconvenient when the existing natural gas well liquid drainage gas production device is connected through a pipeline, when the alignment installation is carried out, the operation process is very troublesome, and when the natural gas is conveyed, the defect that impurities are filtered in the natural gas is avoided, and the proposed natural gas well liquid drainage gas production device is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a liquid drainage and gas production device for a natural gas well comprises a ground surface, wherein a tank body is installed above the front surface of the ground surface, a well wall is arranged below the front surface of the ground surface, a cement well cementation layer is connected inside the well wall, a sleeve is installed inside the well wall, a connecting mechanism is installed inside the sleeve, a liquid drainage pipe is arranged inside the sleeve, a liquid drainage valve is connected above the front surface of the liquid drainage pipe, a liquid drainage port is installed on the left end surface of the liquid drainage valve, an upper sealing head is fixedly connected to the bottom end of the tank body, a fixing mechanism is installed between the upper sealing head and the ground surface, a short section is connected to the right end surface of the tank body, a maintenance valve is installed on the right end surface of the short section, a pressure gauge is arranged at the top end of the short section, a gas outlet is formed in the, the fixing mechanism is internally provided with a fixing block, a threaded rod is fixedly mounted at the top end of the fixing block, and a second nut is connected to the outer portion of the threaded rod through threads.

As a further description of the above technical solution:

the fixed block passes through threaded rod, second nut and pours the area and constitute fixed knot and construct, and the threaded rod is symmetrical about the axis of pouring the area.

As a further description of the above technical solution:

the connecting mechanism is internally provided with a first flange plate, the bottom end of the first flange plate is connected with a second flange plate, the inner thread of the second flange plate is connected with a first bolt, and the outer thread of the first bolt is connected with a first nut.

As a further description of the above technical solution:

the first flange plate and the second flange plate form a fixed structure through a first bolt, a first nut and the cross-sectional area of the first flange plate is the same as that of the second flange plate.

As a further description of the above technical solution:

the filter mechanism is characterized in that a filter screen is arranged in the filter mechanism, a clamping block is fixedly arranged on the outer side of the filter screen, a clamping groove is formed in the outer portion of the clamping block, a second bolt is connected to the inner portion of the clamping block in a threaded mode, and a built-in groove is formed in the outer side of the second bolt.

As a further description of the above technical solution:

the fixture blocks form a fixed structure with the clamping grooves through second bolts, and the fixture blocks are symmetrical about the transverse axis of the filter screen.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, under coupling mechanism's effect, when needs are connected the gas pipeline, then need be connected between the first ring flange that the sleeve pipe meets and another sheathed tube second ring flange, then need align first ring flange and the inside thread groove of second ring flange, then aim at first bolt and twist the twist, then twist first nut at another and consolidate, it is stable to make firm in connection between first ring flange and the second ring flange like this, install the sealing layer in the junction, prevent that the gas from revealing, the importance of gas collection has been guaranteed.

2. The utility model discloses in, under filter mechanism's effect, after the gas needs to be adopted, when needing to discharge the gas through the gas outlet, then install the filter screen at the gas outlet, the filter screen adopts the active carbon adsorption layer, can effectual assurance gas's quality like this, adsorb the impurity of mixing in the gas, when needs are changed, then close the valve earlier, unscrew the second bolt, make the staff dismantle the filter screen, wherein the inside built-in groove of seting up of fixture block, make the second bolt built-in, it docks with the gas outlet conveniently in other pipelines, can not produce the gap.

3. The utility model discloses in, under fixed establishment's effect, when needs are connected the device's the jar body with the mine, then need with jar the upper cover that the body meets with pour and be connected between the area, aim at the threaded rod with the inside through-hole of fixed block, then put into the device fixedly, after putting into fixedly, then can aim at the threaded rod with the second nut and screw up, thereby with its rigidity, after fixed, seal the department with cement again and seal and pour, make between the device and the mine firm in connection like this, prevent that the gas from omitting.

Drawings

Fig. 1 is a schematic view of the overall structure of a liquid-discharging gas production device of a natural gas well according to the present invention;

FIG. 2 is a schematic view of the structure of the connecting mechanism of the present invention;

FIG. 3 is a schematic structural view of the filtering mechanism of the present invention;

FIG. 4 is a schematic structural view of the middle fixing mechanism of the present invention;

fig. 5 is an enlarged schematic view of the position a of the present invention.

Illustration of the drawings:

1. the earth surface; 2. a tank body; 3. a well wall; 4. cementing a well layer with cement; 5. a sleeve; 6. a connecting mechanism; 601. a first flange plate; 602. a second flange plate; 603. a first bolt; 604. a first nut; 7. a liquid discharge pipe; 8. a drain valve; 9. a liquid discharge port; 10. an upper end enclosure; 11. a short section; 12. a service valve; 13. a pressure gauge; 14. an air outlet; 15. a filtering mechanism; 1501. a filter screen; 1502. a clamping block; 1503. a card slot; 1504. a second bolt; 1505. a built-in groove; 16. pouring a belt; 17. a fixing mechanism; 1701. a fixed block; 1702. a threaded rod; 1703. a second nut.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, a liquid drainage and gas production device for a natural gas well comprises a ground surface 1, a tank body 2, a well wall 3, a cement well cementing layer 4, a casing 5, a connecting mechanism 6, a first flange 601, a second flange 602, a first bolt 603, a first nut 604, a liquid drainage pipe 7, a liquid drainage valve 8, a liquid drainage port 9, an upper seal head 10, a short section 11, an inspection valve 12, a pressure gauge 13, an air outlet 14, a filtering mechanism 15, a filter screen 1501, a fixture block 1502, a clamping groove 1503, a second bolt 1504, a built-in groove 1505, a pouring belt 16, a fixing mechanism 17, a fixing block 1701, a threaded rod 1702 and a second nut 1703, wherein the tank body 2 is installed above the front surface of the ground surface 1, the well wall 3 is arranged below the front surface of the ground surface 1, the cement well cementing layer 4 is connected inside the well wall 3, the casing 5 is installed inside the well wall 3, the connecting mechanism 6 is installed, a liquid discharge valve 8 is connected above the front surface of the liquid discharge pipe 7, a liquid discharge port 9 is arranged on the left end surface of the liquid discharge valve 8, an upper end enclosure 10 is fixedly connected with the bottom end of the tank body 2, a fixing mechanism 17 is arranged between the upper end enclosure 10 and the ground surface 1, the right end surface of the tank body 2 is connected with a short section 11, and the surface of the right end of the short section 11 is provided with an overhaul valve 12, the top end of the short section 11 is provided with a pressure gauge 13, and the right end surface of the pressure gauge 13 is provided with an air outlet 14, the inside of the air outlet 14 is provided with a filtering mechanism 15, the inside of the ground surface 1 is provided with a pouring belt 16, the inside of a fixing mechanism 17 comprises a fixing block 1701, and a threaded rod 1702 is fixedly mounted at the top end of the fixed block 1701, a second nut 1703 is connected with the external thread of the threaded rod 1702, the device is an existing liquid and gas drainage device of a natural gas well, the pouring belt 16 is a cement pouring plane, and two threaded rods 1702 are poured and fixedly mounted inside the pouring belt.

Further, the fixed block 1701 constitutes fixed knot through threaded rod 1702, second nut 1703 and casting area 16 and threaded rod 1702 is symmetrical about the axis of casting area 16, wherein the inside of fixed block 1701 is seted up the through-hole for threaded rod 1702 and the effective location of being connected of fixed block 1701, seal the cement after the connection, prevent that the gas from leaking.

Furthermore, the connecting mechanism 6 includes a first flange 601 inside, the bottom end of the first flange 601 is connected with a second flange 602, the internal thread of the second flange 602 is connected with a first bolt 603, the external thread of the first bolt 603 is connected with a first nut 604, a thread groove is formed inside the first flange 601 and the second flange 602, and an elastic pad is mounted at the joint of the first bolt 603 and the first flange 601 as well as the second flange 602 to prevent the screw from loosening.

Furthermore, the first flange 601 forms a fixed structure through the first bolt 603, the first nut 604 and the second flange 602, and the cross-sectional area of the first flange 601 is the same as that of the second flange 602, wherein a sealing layer is installed at the connection installation position of the first flange 601 and the second flange 602, so that internal gas cannot leak during connection.

Further, inside including filter screen 1501 of filter mechanism 15, and filter screen 1501 outside fixed mounting has fixture block 1502, and the outside of fixture block 1502 is provided with draw-in groove 1503, and the inside threaded connection of fixture block 1502 has second bolt 1504, and the outside of second bolt 1504 is provided with built-in groove 1505, and wherein filter screen 1501 adopts the active carbon adsorption layer, and the effectual impurity with in the natural gas adsorbs the clearance, has guaranteed the quality of gas.

Further, the fixture block 1502 forms a fixed structure with the fixture groove 1503 through the second bolt 1504, the fixture block 1502 is symmetrical about the transverse axis of the filter screen 1501, and the built-in groove 1505 is formed in the fixture block 1502, so that the second bolt 1504 is screwed in the built-in structure, and is convenient to be connected with other pipelines, and gaps are avoided.

The working principle is as follows: when a gas pipeline needs to be connected, a first flange 601 connected with a sleeve 5 needs to be connected with a second flange 602 of another sleeve 5, thread grooves in the first flange 601 and the second flange 602 need to be aligned, then a first bolt 603 needs to be aligned and screwed, then a first nut 604 is screwed at the other end for reinforcement, so that the first flange 601 and the second flange 602 are firmly and stably connected, a sealing layer is arranged at the connection position to prevent gas leakage, the importance of gas collection is ensured, when gas needs to be collected and discharged through a gas outlet 14, a filter screen 1501 is arranged at the gas outlet 14, the filter screen 1501 adopts an activated carbon adsorption layer, so that the quality of the gas can be effectively ensured, impurities mixed in the gas can be adsorbed, when the gas needs to be replaced, firstly, the valve is closed, the second bolt 1504 is loosened, so that a worker can detach the filter screen 1501, wherein a built-in groove 1505 is formed in the fixture block 1502, the second bolt 1504 is built in, butt joint of other pipelines and the air outlet 14 is facilitated, no gap is generated, when the tank body 2 of the device is required to be connected with a mine, the upper end enclosure 10 connected with the tank body 2 and the pouring belt 16 are required to be connected, the through hole in the fixture block 1701 is aligned with the threaded rod 1702, then the device is placed and fixed, after the device is placed and fixed, the second nut 1703 can be aligned with the threaded rod 1702 to be screwed, so that the position of the device is fixed, after the device is fixed, cement is sealed and poured at the sealing position, so that the device is firmly connected with the mine, gas leakage is prevented, and the working principle of the device is completed.

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 liquid drainage and gas production device for the natural gas well comprises a ground surface (1) and is characterized in that a tank body (2) is installed above the front surface of the ground surface (1), a well wall (3) is arranged below the front surface of the ground surface (1), a cement well cementation layer (4) is connected inside the well wall (3), a sleeve (5) is installed inside the well wall (3), a connecting mechanism (6) is installed inside the sleeve (5), a liquid drainage pipe (7) is arranged inside the sleeve (5), a liquid drainage valve (8) is connected above the front surface of the liquid drainage pipe (7), a liquid drainage port (9) is installed on the left end surface of the liquid drainage valve (8), an upper end socket (10) is fixedly connected to the bottom end of the tank body (2), a fixing mechanism (17) is installed between the upper end socket (10) and the ground surface (1), and a short joint (11) is connected to the right end surface of the, and the right-hand member surface mounting of nipple joint (11) has service valve (12), the top of nipple joint (11) is provided with manometer (13), and the right-hand member surface of manometer (13) is provided with gas outlet (14), the internally mounted of gas outlet (14) has filter mechanism (15), the inside of earth's surface (1) is provided with pours area (16), fixed block (1701) is inside including in fixed establishment (17), and fixed block (1701) top fixed mounting has threaded rod (1702), the outside threaded connection of threaded rod (1702) has second nut (1703).

2. The gas well drainage gas production device as claimed in claim 1, characterized in that the fixing block (1701) forms a fixing structure with the casting belt (16) through the threaded rod (1702) and the second nut (1703), and the threaded rod (1702) is symmetrical with respect to a central axis of the casting belt (16).

3. The gas well drainage gas production device as claimed in claim 1, wherein the connecting mechanism (6) comprises a first flange (601) inside, a second flange (602) is connected to the bottom end of the first flange (601), a first bolt (603) is connected to the second flange (602) through internal threads, and a first nut (604) is connected to the first bolt (603) through external threads.

4. The gas well drainage gas production device as claimed in claim 3, wherein the first flange (601) and the second flange (602) form a fixed structure through the first bolt (603) and the first nut (604), and the cross-sectional area of the first flange (601) is the same as that of the second flange (602).

5. The gas well liquid drainage and gas production device as claimed in claim 1, wherein a filter screen (1501) is arranged inside the filter mechanism (15), a clamping block (1502) is fixedly mounted on the outer side of the filter screen (1501), a clamping groove (1503) is formed in the outer portion of the clamping block (1502), a second bolt (1504) is connected to the inner portion of the clamping block (1502) in a threaded mode, and a built-in groove (1505) is formed in the outer side of the second bolt (1504).

6. The gas well liquid drainage and gas production device as claimed in claim 5, wherein the fixture block (1502) and the clamping groove (1503) form a fixed structure through the second bolt (1504), and the fixture block (1502) is symmetrical with respect to a transverse axis of the filter screen (1501).