CN210460633U - Novel single well measurement calibration of coal bed gas device - Google Patents
Novel single well measurement calibration of coal bed gas device Download PDFInfo
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- CN210460633U CN210460633U CN201921425156.9U CN201921425156U CN210460633U CN 210460633 U CN210460633 U CN 210460633U CN 201921425156 U CN201921425156 U CN 201921425156U CN 210460633 U CN210460633 U CN 210460633U
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Abstract
The utility model discloses a novel single well measurement calibration of coal bed gas device, including hollow valve rod. The outside both sides of hollow valve rod are close to hollow valve rod top position is connected with two claw hand wheels respectively, in the valve body was located to hollow valve rod's lower half cover, hollow valve rod's lateral wall with the inside wall vacuole formation of valve body, the lead screw of two claw hand wheels is connected the lateral wall of hollow valve rod, the bottom of lead screw extends to in the cavity, the top of cavity is equipped with the gland, the lead screw is kept away from one side of hollow valve rod is close to lead screw bottom position is equipped with the bearing and separates the fender, the below of valve body is equipped with the check valve. This novel coal bed gas individual well measurement calibration equipment realizes individual well flowmeter check-up and measurement, has avoided the inaccurate output metering error that brings of flowmeter and flowmeter to demolish the effect of verifying the influence to gas well production prescription to reduce gas well maintenance work load, increased the well rate of gas well.
Description
Technical Field
The utility model relates to a coal bed gas measurement technical field, concretely relates to novel single well of coal bed gas measures check-up device.
Background
The gas well production metering yield of a coal bed gas company basically adopts a precession vortex flowmeter to measure a single well, then the single well is converged into a gathering and transporting pipeline to enter a gas collecting station area, and coal bed gas contains coal dust, so that the coal dust blocks an inlet of the flowmeter, the coal bed gas contains formation water, the mineralization degree is high, salt deposition is easily formed at a suction inlet, the inlet of the flowmeter is reduced, and the metering accuracy of the flowmeter is influenced.
Disclosure of Invention
The utility model aims at solving the above problem and providing a novel single-well measurement calibration device for coal bed gas.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel calibration equipment is measured to coal bed gas single well, separates fender, elastic seal circle, guide pin, outer tube interface, bolt, a nut, check valve, gland, spacer ring, guide way, gland, elastic seal gum cover, No. two nuts, valve body, cavity, lead screw on the check valve including hollow valve rod, two claw hand wheels, tapered roller bearing, bearing.
The outer two sides of the hollow valve rod are close to the top end of the hollow valve rod and are respectively connected with two hand wheels, the lower half part of the hollow valve rod is sleeved in the valve body, the outer side wall of the hollow valve rod and the inner side wall of the valve body form a cavity, lead screws of the two hand wheels are connected with the outer side wall of the hollow valve rod, the bottom end of the lead screw extends into the cavity, a gland is arranged above the cavity and is connected with the side wall of the lead screw, a bearing baffle is arranged at one side of the lead screw, which is far away from the hollow valve rod, close to the bottom end of the lead screw, a bearing baffle is arranged at the upper side and the lower side of the bearing baffle, tapered roller bearings are respectively arranged at the upper side and the lower side of the tapered roller bearings, a baffle ring is arranged at one side of the, the hollow valve rod outside with the guide way corresponds and is equipped with guide pin, guide pin keeps away from the one end of hollow valve rod runs through the guide way lateral wall gets into inside the guide way, the valve body outside is close to the bottom position and is equipped with the outer tube interface, the bottom both sides of valve body are connected with gland on the check valve respectively, the below of valve body is equipped with the check valve, the top of check valve pass through the bolt with gland connection on the check valve, the bolt is fixed through No. two nuts, the bottom of hollow valve rod extends to in the check valve and with the disk seat of check valve is connected through a nut, the below of a nut is equipped with the elastic sealing gum cover.
Further, the hollow valve rod and the guide pin are integrally formed.
Further, the valve body and the outer pipe joint are integrally formed.
The utility model has the advantages that:
(1) the device is convenient to operate, reduces labor intensity, realizes field calibration of the flowmeter, and is required to be dismantled to a laboratory for calibration when the existing flowmeter is calibrated;
(2) the metering calibration device provided by the utility model is the same as the drift diameter of the check valve, the gas flow is not throttled, the calibrated yield can reflect the normal productivity of the gas well, and the gas production metering of a single well is accurate;
(3) the utility model provides a measurement calibration equipment can realize single well flowmeter at the production site and verify and the measurement of single well output, has avoided the inaccurate output metering error who brings of flowmeter, has also avoided the flowmeter to demolish and has verified the production inefficacy that influences the gas well to reduce gas well maintenance work load, increased the well rate of gas well.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises a hollow valve rod, 2, two-claw hand wheels, 3, a tapered roller bearing, 4, a bearing baffle, 5, an elastic sealing ring, 6, a guide pin, 7, an outer pipe connector, 8, a bolt, 9, a first nut, 10, a check valve, 11, a gland, 12, a spacer ring, 13, a guide groove, 14, a check valve upper gland, 15, an elastic sealing rubber sleeve, 16, a second nut, 17, a valve body, 18, a cavity, 19 and a screw rod.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention, but are not intended to limit the invention in any way.
As shown in fig. 1, a novel single-well coal bed gas metering and checking device comprises a hollow valve rod 1, a two-claw hand wheel 2, a tapered roller bearing 3, a bearing separation block 4, an elastic sealing ring 5, a guide pin 6, an outer pipe connector 7, a bolt 8, a first nut 9, a check valve 10, a gland 11, a spacer ring 12, a guide groove 13, a check valve upper gland 14, an elastic sealing rubber sleeve 15, a second nut 16, a valve body 17, a cavity 18 and a screw rod 19.
The outer two sides of the hollow valve rod 1 are close to the top end of the hollow valve rod 1 and are respectively connected with two claw hand wheels 2, the lower half part of the hollow valve rod 1 is sleeved in a valve body 17, the outer side wall of the hollow valve rod 1 and the inner side wall of the valve body 17 form a cavity 18, lead screws 19 of the two claw hand wheels 2 are connected with the outer side wall of the hollow valve rod 1, the bottom end of the lead screws 19 extends into the cavity 18, a gland 11 is arranged above the cavity 18, the gland 11 is connected with the side wall of the lead screws 19, one side of the lead screws 19 far away from the hollow valve rod 1 is close to the bottom end of the lead screws 19 and is provided with a bearing baffle 4, tapered roller bearings 3 are respectively arranged on the upper side and the lower side of the bearing baffle 4, a baffle ring 12 is arranged on one side of the tapered roller bearings 3 far away from the bearing baffle 4, and, the below of elastic seal 5 is equipped with guide way 13, the 1 outside of hollow valve rod with guide way 13 corresponds and is equipped with uide pin 6, uide pin 6 is kept away from the one end of hollow valve rod 1 runs through the lateral wall of guide way 13 gets into inside the guide way 13, the valve body 17 outside is close to the bottom position and is equipped with outer tube interface 7, the bottom both sides of valve body 17 are connected with gland 14 on the check valve respectively, the below of valve body 17 is equipped with check valve 10, the top of check valve 10 pass through bolt 8 with gland 14 is connected on the check valve, bolt 8 is fixed through No. two nuts 16, the bottom of hollow valve rod 1 extends to in the check valve 10 and with the disk seat of check valve 10 is connected through No. one nut 9, the below of No. nut 9 is equipped with elastic sealing gum cover 15.
In the preferred embodiment, the hollow valve stem 1 is integrally formed with the guide pin 6.
In the preferred embodiment, the valve body 17 is integrally formed with the outer tube fitting 7.
The utility model discloses the principle as follows: when the novel coal bed gas single well metering and checking device is installed, firstly, a gland on the check valve 10 is removed, the device is installed on the check valve 10, gas enters from the check valve 10 and enters the hollow valve rod 1 from a lower cavity, the hollow valve rod 1 and a valve seat of the check valve 10 are sealed through the elastic sealing rubber sleeve 15, the first nut 9 and the hollow valve rod 1 are fixedly positioned by adopting threaded connection, the tightness of the valve seat is ensured, the hollow valve rod 1 is enabled to move up and down by rotating the two-claw hand wheel 2, when the device moves down, the hollow valve rod 1 and the valve seat of the check valve 10 can be effectively sealed by applying certain torque, the gas is prevented from entering the upper cavity of the check valve 10, meanwhile, the elastic sealing ring 5 expands under the action of pressure, so that the cavity 18 is sealed, the device is measured, the device is convenient to remove when the hand wheel, meanwhile, the guide pin 6 is matched with the guide groove 13 for use, so that the hollow valve rod 1 only can keep moving up and down, gas enters the outer pipe connector 7 after being metered by the flowmeter, enters an upper cavity of the check valve 10 at the same time, and finally enters a gas collection flow from an outlet of the check valve 10.
Those skilled in the art will appreciate that the above embodiments are merely exemplary embodiments and that various changes, substitutions and alterations can be made without departing from the spirit and scope of the invention.
Claims (3)
1. A novel single-well metering calibration device for coal bed gas is characterized by comprising a hollow valve rod (1), a two-claw hand wheel (2), a tapered roller bearing (3), a bearing baffle (4), an elastic sealing ring (5), a guide pin (6), an outer pipe connector (7), a bolt (8), a first nut (9), a check valve (10), a gland (11), a spacer ring (12), a guide groove (13), an upper gland (14) of the check valve, an elastic sealing rubber sleeve (15), a second nut (16), a valve body (17), a cavity (18) and a screw rod (19);
the outer two sides of the hollow valve rod (1) are close to the top end of the hollow valve rod (1) and are respectively connected with two-jaw hand wheels (2), the lower half portion of the hollow valve rod (1) is sleeved in the valve body (17), the outer side wall of the hollow valve rod (1) and the inner side wall of the valve body (17) form a cavity (18), lead screws (19) of the two-jaw hand wheels (2) are connected with the outer side wall of the hollow valve rod (1), the bottom end of the lead screws (19) extends into the cavity (18), a gland (11) is arranged above the cavity (18), the gland (11) is connected with the side wall of the lead screws (19), one side, far away from the hollow valve rod (1), of the lead screws (19) is close to the bottom end of the lead screws (19) and is provided with a bearing baffle (4), and conical roller bearings (3) are respectively arranged on the upper side and the, the tapered roller bearing (3) is far away from one side of the bearing separation block (4) and is provided with a separation ring (12), the bearing separation block (4) is arranged below the separation ring (12), a guide groove (13) is arranged below the elastic sealing ring (5), a guide pin (6) is correspondingly arranged on the outer side of the hollow valve rod (1) and the guide groove (13), one end, far away from the hollow valve rod (1), of the guide pin (6) penetrates through the side wall of the guide groove (13) and enters the guide groove (13), an outer pipe connector (7) is arranged on the outer side of the valve body (17) close to the bottom end position, two sides of the bottom end of the valve body (17) are respectively connected with an upper check valve gland (14), a check valve (10) is arranged below the valve body (17), and the top end of the check valve (10) is connected with the upper check valve gland (14) through a bolt (8, bolt (8) are fixed through No. two nuts (16), the bottom of hollow valve rod (1) extends to in check valve (10) and with the disk seat of check valve (10) is connected through a nut (9), the below of a nut (9) is equipped with elastic sealing gum cover (15).
2. The novel coalbed methane single well metering and verifying device as recited in claim 1, characterized in that the hollow valve rod (1) is integrally formed with the guide pin (6).
3. The novel coal bed methane single well metering and verifying device as claimed in claim 1, characterized in that the valve body (17) is integrally formed with the outer pipe interface (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921425156.9U CN210460633U (en) | 2019-08-30 | 2019-08-30 | Novel single well measurement calibration of coal bed gas device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921425156.9U CN210460633U (en) | 2019-08-30 | 2019-08-30 | Novel single well measurement calibration of coal bed gas device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210460633U true CN210460633U (en) | 2020-05-05 |
Family
ID=70430632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921425156.9U Active CN210460633U (en) | 2019-08-30 | 2019-08-30 | Novel single well measurement calibration of coal bed gas device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210460633U (en) |
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2019
- 2019-08-30 CN CN201921425156.9U patent/CN210460633U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210301 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: China Petroleum & Chemical Corp. Patentee after: EAST CHINA BRANCH OF SINOPEC Patentee after: SINOPEC LINFEN COALBED GAS BRANCH Co. Address before: 041000 No.24, Lingang Road, Yaodu District, Linfen City, Shanxi Province Patentee before: SINOPEC LINFEN COALBED GAS BRANCH Co. |
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| TR01 | Transfer of patent right |