CN218439319U - Oil well pressure visible constant pressure air release device - Google Patents
Oil well pressure visible constant pressure air release device Download PDFInfo
- Publication number
- CN218439319U CN218439319U CN202222725539.6U CN202222725539U CN218439319U CN 218439319 U CN218439319 U CN 218439319U CN 202222725539 U CN202222725539 U CN 202222725539U CN 218439319 U CN218439319 U CN 218439319U
- Authority
- CN
- China
- Prior art keywords
- pipe
- pressure
- piston
- segment pipe
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model provides a visual level pressure air bleeder of oil well pressure. Relates to the technical field of oil extraction. At the upside of the upside sealing washer of annular, the other blast pipe that has connect of upper segment pipe, the other pressure transmission pipe that has connect of upper segment pipe, the upper and lower both sides intercommunication of piston will be down to the pressure transmission pipe, and flange seal connects lower segment pipe through upper segment pipe lower part, and lower segment pipe lower part is equipped with the clamp head, and the clamp head is connected with well head sleeve pipe valve. The utility model discloses following beneficial effect has: when the air pressure in the sleeve is lower than the set pressure, the well fluid of the trunk line cannot flow backwards into the sleeve, the upper piston can be moved up and down by observing the numerical value of the pressure gauge and rotating the screw rod, the exhaust pressure set value is adjusted, when the air pressure of the sleeve is too high, the pressure is transmitted to the upper side of the lower piston through the pressure transmission pipe, the pressure on the upper side of the lower piston is increased, the lower piston moves downwards, the contact ratio of the annular groove and the exhaust pipe is reduced, the air displacement is reduced, the quick reduction of the casing pressure is avoided, the pressure fluctuation of an oil layer is easily caused, and then the sand production of the oil layer is caused.
Description
The technical field is as follows:
the utility model belongs to the technical field of the oil recovery technique and specifically relates to a visual level pressure air bleeder of oil well pressure.
Background art:
at present, a set of casing gas or associated gas of an oil well is designed and installed into a main production line system to achieve the purpose of casing gas constant-pressure gas release for recovery, and during the use of the device, due to various reasons, a check valve is easy to leak, so that the well liquid of the main line flows backwards, and the valve is required to be manually and periodically opened and closed to receive gas.
The utility model has the following contents:
in order to solve the problem that well liquid flows backward, the displacement is unstable when present oil well casing constant pressure gassing causes the oil reservoir to go out sand, the utility model provides a visual constant pressure bleeder of oil well pressure.
The technical scheme of the utility model is that: a constant pressure air release device with visual oil well pressure comprises an upper section pipe, wherein a lower piston is arranged in the upper section pipe, the lower piston is connected with the upper section pipe in a clearance fit manner through a sealing ring, a limiting ring is arranged at the bottom of the lower piston and fixedly connected in the upper section pipe, an upper piston is arranged in the upper section pipe at the upper part of the lower piston, the upper piston is connected with the upper section pipe in a clearance fit manner through the sealing ring, a compression spring is arranged between the upper piston and the lower piston, a lead screw is fixedly connected to the upper part of the upper piston, the lead screw is in threaded connection with a gland, and the gland is fixedly connected with the top thread of the upper section pipe;
the lower piston bottom is opened there is the counter bore, and the counter bore communicates with the limit hole that transversely link up on the lower piston, and lower piston is opened at limit hole position has an annular, the sealing washer be located both sides about the annular, at the upside of the upside sealing washer of annular, the other blast pipe that has connect of upper segment pipe, the liquid main line is produced in the blast pipe connection, the other pressure pipe that has connect of upper segment pipe, the upper and lower both sides intercommunication of piston will be down to the pressure pipe, flange sealing connection lower segment pipe is passed through to upper segment pipe lower part, lower segment pipe lower part is equipped with the clamp head, the clamp head is connected with well head casing valve.
The middle section pipe is connected to the lower portion of the upper section pipe through a flange seal, the lower portion of the middle section pipe is connected to the lower section pipe through a flange seal, the lower section pipe comprises an elbow, the middle section pipe is in a vertical state, the clamp head is in a horizontal state, a valve seat is arranged in the middle section pipe, a conical hole in the lower portion of the valve seat is connected with a conical head on the upper portion of the buoy in a sealing mode, the upper portion of the buoy is fixedly connected with a guide post, the guide post is connected with a guide hole in a clearance fit mode of the valve seat, an air passing groove which is communicated from top to bottom is formed in an inner hole of the guide hole, the upper portion of the guide post is connected with a limiting cover through threads, the limiting cover is of a cup-shaped structure with the opening facing downwards, the outer circle of the limiting cover is larger than the outer wall of the air passing groove, and a plurality of air guide notches are formed in the cup wall of the limiting cover.
The exhaust pipe is provided with a flowmeter, and a battery and an RTU are arranged in a meter head of the flowmeter.
The lower pipe is provided with a pressure gauge.
The utility model discloses following beneficial effect has: when the air pressure in the sleeve is lower than the set pressure, the exhaust pipe and the annular groove are separated through the sealing ring, the well fluid in a main line cannot flow back into the sleeve, when the air pressure in the sleeve is larger than the set value, the air pressure jacks up the lower piston to rise, the annular groove is communicated with the exhaust pipe to exhaust, the upper piston can move up and down by observing the numerical value of the pressure gauge and rotating the screw rod, the pressure set value of the exhaust is adjusted, when the air pressure in the sleeve is overhigh, the pressure is transmitted to the upper side of the lower piston through the pressure transmitting pipe, the pressure on the upper side of the lower piston is increased, the lower piston moves downwards, the contact ratio of the annular groove and the exhaust pipe is reduced, the exhaust amount is reduced, the sleeve pressure is prevented from being rapidly reduced, pressure fluctuation is easily caused, sand outflow from an oil layer is caused, and meanwhile, the pollution to the production well fluid caused by the discharge of the liquid in the sleeve can be prevented.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 1.
In the figure, 1-an upper pipe, 2-a middle pipe, 3-a lower pipe, 4-a gland, 5-a buoy, 6-a lower piston, 7-a limiting ring, 8-a pressure transmission pipe, 9-a counter bore, 10-a side hole, 11-an exhaust pipe, 12-a flowmeter, 13-a gauge head, 14-an upper piston, 15-a lead screw, 16-a valve seat, 17-an air groove, 18-a guide column, 19-a limiting cover, 20-an air guide notch, 21-a clamp head, 22-a pressure gauge, 23-a guide hole and 24-an annular groove.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 and fig. 2, a constant pressure air release device with visible oil well pressure comprises an upper section pipe 1, a lower piston 6 is arranged in the upper section pipe 1, the lower piston 6 is in clearance fit connection with the upper section pipe 1 through a sealing ring, a limiting ring 7 is arranged at the bottom of the lower piston 6, the limiting ring 7 is fixedly connected in the upper section pipe 1, an upper piston 14 is arranged in the upper section pipe 1 at the upper part of the lower piston 6, the upper piston 14 is in clearance fit connection with the upper section pipe 1 through the sealing ring, a compression spring is arranged between the upper piston 14 and the lower piston 6, a lead screw 15 is fixedly connected at the upper part of the upper piston 14, the lead screw 15 is in threaded connection with a gland 4, and the gland 4 is fixedly connected with the top thread of the upper section pipe 1;
lower piston 6 bottom is opened there is counter bore 9, counter bore 9 and the last side hole 10 intercommunication that transversely link up of lower piston 6, lower piston 6 is opened at side hole 10 position and is had an annular 24, the sealing washer be located both sides about the annular 24, at the upside of the upside sealing washer of annular 24, the other blast pipe 11 that has connect of upper segment pipe 1, the liquid main line is produced in the blast pipe 11 connection, the other pressure pipe 8 that has connect of upper segment pipe 1, the upper and lower both sides intercommunication of piston 6 will be down to pressure pipe 8, flange seal connection lower segment pipe 3 is passed through to upper segment pipe 1 lower part, lower segment pipe 3 lower part is equipped with the clamp head 21, clamp head 21 is connected with well head casing valve.
When the pressure in the sleeve pipe is lower than the set pressure, separate through the sealing washer between blast pipe 11 and the annular 24, the well liquid of trunk can not flow backward in the sleeve pipe, when the atmospheric pressure in the sleeve pipe is greater than the set value, piston 6 rises under the atmospheric pressure jack-up, annular 24 and 11 intercommunication exhausts of blast pipe, can reciprocate last piston 14 through lead screw 15, adjust carminative pressure set value, when sleeve pipe atmospheric pressure is too high, pressure transmits lower piston 6 upside through transfer pipe 8, give the pressure increase of lower piston 6 upside, lower piston 6 moves down, the contact ratio of annular 24 and blast pipe 11 diminishes, thereby reduce the displacement, avoid the casing pressure to reduce fast, easily lead to the pressure fluctuation, cause the oil reservoir to go out sand then.
The lower portion of the upper section pipe 1 is connected with the middle section pipe 2 in a sealing mode through a flange, the lower portion of the middle section pipe 2 is connected with the lower section pipe 3 in a sealing mode through the flange, the lower section pipe 3 comprises an elbow, the middle section pipe 2 is in a vertical state, the hoop head 21 is in a horizontal state, a valve seat 16 is arranged in the middle section pipe 2, a conical hole in the lower portion of the valve seat 16 is connected with a conical head in the upper portion of the buoy 5 in a sealing mode, a guide column 18 is fixedly connected to the upper portion of the buoy 5, the guide column 18 is in clearance fit connection with a guide hole 23 of the valve seat 16, an up-and-down through air passing groove 17 is formed in an inner hole of the guide hole 23, the upper portion of the guide column 18 is connected with a limiting cover 19 through threads and a back cap, the limiting cover 19 is of a cup-shaped structure with the downward opening, the outer circle of the limiting cover 19 is larger than the outer wall of the air passing groove 17, a plurality of air guide notches 20 are formed in the cup wall of the limiting cover 19, when liquid in the sleeve rises to support the buoy 5, the sleeve, the liquid in a sealed and close to prevent the buoy 5 and the valve seat 16 from discharging the liquid in the sleeve, and the sleeve is prevented from being discharged, and the main production line of the sleeve after the gas and the sleeve is discharged from flowing on the main production line.
The exhaust pipe 11 is provided with a flowmeter 12, a battery and an RTU are arranged in a gauge head 13 of the flowmeter 12, and the exhaust volume and the flow can be transmitted to a control center for monitoring and recording data through wireless transmission signals.
The lower pipe 3 is provided with a pressure gauge 22, and the exhaust set value can be adjusted according to the numerical value of the pressure gauge.
Claims (4)
1. The utility model provides a visual level pressure air bleeder of oil well pressure, includes upper segment pipe (1), its characterized in that: a lower piston (6) is arranged in the upper section pipe (1), the lower piston (6) is connected with the upper section pipe (1) through a sealing ring in a clearance fit manner, a limiting ring (7) is arranged at the bottom of the lower piston (6), the limiting ring (7) is fixedly connected in the upper section pipe (1), an upper piston (14) is arranged in the upper section pipe (1) at the upper part of the lower piston (6), the upper piston (14) is connected with the upper section pipe (1) through the sealing ring in a clearance fit manner, a compression spring is arranged between the upper piston (14) and the lower piston (6), a lead screw (15) is fixedly connected at the upper part of the upper piston (14), the lead screw (15) is in threaded connection with a gland (4), and the gland (4) is fixedly connected with the top of the upper section pipe (1) through threads;
lower piston (6) bottom is opened there is counter bore (9), counter bore (9) and lower piston (6) go up side hole (10) intercommunication that transversely link up, lower piston (6) are opened in side hole (10) position and are had an annular (24), the sealing washer be located both sides about annular (24), at the upside of the upside sealing washer of annular (24), upper segment pipe (1) other has connect blast pipe (11), the liquid production trunk is connected in blast pipe (11), upper segment pipe (1) other has connect pressure pipe (8), pressure pipe (8) will be down the upper and lower both sides intercommunication of piston (6), upper segment pipe (1) lower part is through flange sealing connection lower segment pipe (3), lower segment pipe (3) lower part is equipped with clamp head (21), clamp head (21) and well head valve bushing connection.
2. The constant pressure air bleeder with visual oil well pressure as claimed in claim 1, wherein: the upper segment pipe (1) lower part is connected with the middle segment pipe (2) through a flange seal, the lower segment pipe (3) of the middle segment pipe (2) lower part is connected with the lower segment pipe (3) through a flange seal, the lower segment pipe (3) comprises an elbow to enable the middle segment pipe (2) to be in a vertical state, a hoop head (21) is in a horizontal state, a valve seat (16) is arranged in the middle segment pipe (2), a conical hole in the lower part of the valve seat (16) is connected with a conical head on the upper part of a buoy (5) in a sealing mode, the upper part of the buoy (5) is fixedly connected with a guide column (18), the guide column (18) is connected with a guide hole (23) of the valve seat (16) in a clearance fit mode, an air passing groove (17) which is communicated up and down is formed in an inner hole of the guide hole (23), the upper part of the guide column (18) is connected with a limiting cover (19) through a screw thread and a back cap, the limiting cover (19) is of a cup-shaped structure with a downward opening, an outer circle of the limiting cover (19) is larger than an outer wall of the air passing groove (17), and a plurality of the cup-shaped wall of the limiting cover (19).
3. The constant pressure air bleeder with visual oil well pressure as claimed in claim 1, wherein: a flowmeter (12) is installed on the exhaust pipe (11), and a battery and an RTU are arranged in a meter head (13) of the flowmeter (12).
4. The constant pressure air bleeder with visual oil well pressure as claimed in claim 1, wherein: a pressure gauge (22) is arranged on the lower section pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222725539.6U CN218439319U (en) | 2022-10-17 | 2022-10-17 | Oil well pressure visible constant pressure air release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222725539.6U CN218439319U (en) | 2022-10-17 | 2022-10-17 | Oil well pressure visible constant pressure air release device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218439319U true CN218439319U (en) | 2023-02-03 |
Family
ID=85042915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222725539.6U Active CN218439319U (en) | 2022-10-17 | 2022-10-17 | Oil well pressure visible constant pressure air release device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218439319U (en) |
-
2022
- 2022-10-17 CN CN202222725539.6U patent/CN218439319U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101279704A (en) | Fluid filling valve and liquid filling method | |
| CN201330613Y (en) | High-pressure large-flow-rate safety valve | |
| CN218439319U (en) | Oil well pressure visible constant pressure air release device | |
| CN111457240A (en) | Horizontal high-pressure large-displacement sand-proof natural gas drain valve | |
| CN2916217Y (en) | Piston accumulator | |
| CN205026191U (en) | Normal close formula ball -cock assembly | |
| CN112303248B (en) | Float pilot-operated drain valve | |
| CN213685500U (en) | Float pilot-operated drain valve | |
| CN109653998A (en) | A kind of hydrogenation stations autoclave diaphragm compressor flow structure and overflow method and hydrogenation stations autoclave diaphragm compressor | |
| CN211118237U (en) | Self-adaptive pulse buffering device of pipeline conveying system | |
| CN209083530U (en) | A kind of hydrogenation stations autoclave diaphragm compressor flow structure and hydrogenation stations autoclave diaphragm compressor | |
| CN202001404U (en) | Hydraulic power accumulator of engineering machinery | |
| CN112211860A (en) | Pressure variable liquid energy storage device | |
| CN201236649Y (en) | Closed flushing apparatus | |
| CN205036884U (en) | Two -way ball valve sealed firmly of bivalve seat | |
| CN211232424U (en) | Defoaming agent instilling device mounted on gas transmission pipeline | |
| CN2928113Y (en) | Safety convenient transfusion device | |
| CN215831163U (en) | Two-way valve device | |
| CN219222066U (en) | Overcharge preventing device suitable for vertical low-temperature storage tank | |
| CN220870187U (en) | Remote control ball cock with adjustable filter | |
| CN214063414U (en) | Oil tank with compensation function | |
| CN217177535U (en) | Hydraulic check valve | |
| CN2596118Y (en) | Valve for large flow-rate charging or discharging liquid | |
| CN213706546U (en) | Petroleum liquid storage tank | |
| CN214697753U (en) | Hydraulic control sleeve valve for oil well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |