CN210113375U - Blowout prevention pipe for oil extraction test - Google Patents
Blowout prevention pipe for oil extraction test Download PDFInfo
- Publication number
- CN210113375U CN210113375U CN201921093832.7U CN201921093832U CN210113375U CN 210113375 U CN210113375 U CN 210113375U CN 201921093832 U CN201921093832 U CN 201921093832U CN 210113375 U CN210113375 U CN 210113375U
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- China
- Prior art keywords
- pipe
- sealing gasket
- sleeved
- lubricator
- pressure discharging
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Abstract
The utility model discloses a lubricator for oil extraction tests, which belongs to the field of oil field exploitation devices and comprises a pipe body, wherein the upper end of the pipe body is fixedly provided with an end cap, the surface of the pipe body is fixedly sleeved with a water collecting box, the upper inner wall of the water collecting box is fixedly sleeved with an upper sealing gasket, the lower inner wall of the water collecting box is fixedly sleeved with a lower sealing gasket, a pressure discharging pipe is sleeved in the water collecting box, the right end of the pressure discharging pipe is fixedly connected with the pipe body, the left end of the pressure discharging pipe is fixedly sleeved with a pressure discharging seat, a clearance groove is arranged in the pressure discharging seat, symmetrical grooves are arranged in the pressure discharging seat, the pressure discharging seat is provided with a stable pressure discharging function, a pressing plate can avoid friction with the pressure discharging pipe, the service life of the lubricator is prolonged, and the arranged buffer cap can avoid the over-pressurized crude oil from, the use safety of the lubricator is improved.
Description
Technical Field
The utility model relates to an oil field exploitation device field, more specifically say, relate to an oil recovery test is with lubricator.
Background
In the process of oil field exploitation, well testing operation is needed to master production data of an oil well, and when the well testing is carried out, a measuring instrument is put into a shaft through a blowout prevention pipe to complete measurement, or when tertiary oil recovery is carried out by adopting polymer flooding, polymer mother liquor is injected into an oil layer through the blowout prevention pipe to prevent crude oil from being sprayed out under the action of pressure.
At present, the unstable condition of pressure release probably exists to take place after the longer time uses in the buffering pressure relief device that current lubricator set up, and the design that also has mostly not the abrasionproof to decrease, great shortening lubricator's life, and the water-collecting box of current lubricator setting mostly does not prevent fenestrate design, the condition that perforation leakage may appear under the long-time crude oil impact that receives to have pressure to the water-collecting box, make crude oil leakage cause the pollution, lubricator's safety in utilization has been reduced, for this reason, we have designed an oil recovery test and have solved above-mentioned problem with lubricator.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide an oil recovery test is with lubricator, the pressure release seat that it set up has stable pressure release function, and the stripper plate that sets up moreover can avoid producing the friction with the pressure extraction pipe, has improved lubricator's life to the buffering cap that sets up can avoid the too big crude oil of pressure to strike the water-collecting box for a long time, causes the water-collecting box to perforate and leaks, has improved lubricator's safety in utilization.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A blowout prevention pipe for oil extraction tests comprises a pipe body, wherein a plug is fixedly installed at the upper end of the pipe body, a water collection box is fixedly sleeved on the surface of the pipe body, an upper sealing gasket is fixedly sleeved on the inner wall of the upper end of the water collection box, a lower sealing gasket is fixedly sleeved on the inner wall of the lower end of the water collection box, a pressure discharge pipe is sleeved in the water collection box, the right end of the pressure discharge pipe is fixedly connected with the pipe body, a pressure discharge seat is fixedly sleeved at the left end of the pressure discharge pipe, an empty avoiding groove is formed in the pressure discharge seat, symmetrical grooves are formed in the pressure discharge seat, a flow guide pipe is fixedly connected at the lower end of the water collection box, a water outlet hole is formed in the surface of the flow guide pipe, a buffer cap is sleeved at the lower end of the flow guide pipe in a sliding, and the extrusion plate that sets up can avoid producing the friction with the pressure-discharge tube, has improved lubricator's life to the buffer cap that sets up can avoid the too big crude oil of pressure to strike the water-collecting box for a long time, causes the water-collecting box to bore a hole and leaks, has improved lubricator's safety in utilization.
Furthermore, a first spring is in contact connection in the groove, a guide rod is in contact connection with the right end of the first spring, the groove is in sliding connection with the surface of the guide rod, an extrusion plate is fixedly connected to the right end of the guide rod, and when the first spring is extruded by the guide rod, the extrusion plate has the effect of compression elasticity, and the extrusion plate has the automatic extrusion function due to the elasticity.
Further, the fixed cover in surface of honeycomb duct has connect the spacing ring, the second spring has been cup jointed in the outside of honeycomb duct, the upper end contact of second spring is connected with the sliding sleeve, the honeycomb duct has been cup jointed in the sliding sleeve, when the second spring received the extrusion of sliding sleeve, had the effect of compression elasticity, and elasticity makes the buffering cap have automatic re-setting's function.
Furthermore, a sliding groove is formed in the buffering cap, a limiting ring is sleeved in the sliding groove in a sliding mode, a clamping groove is formed in the buffering cap, the surface of the buffering cap is provided with annular drain holes distributed at equal intervals, and when the limiting ring is sleeved in the sliding groove in a sliding mode, the buffering cap has a moving function.
Further, the right side fixedly connected with extrusion piece of stripper plate, the right side contact of extrusion piece is connected with the pressure pipe, the material of extrusion piece is resistant oily shock-resistant rubber, and the extrusion piece that sets up can avoid stripper plate and pressure pipe to produce the friction, has prolonged the life of stripper plate and pressure pipe to still have the effect of buffering.
Further, the pipe body is sleeved in the lower sealing gasket in a sliding mode, a through hole is formed in the middle position of the lower sealing gasket, the diameter of the through hole formed in the lower sealing gasket is smaller than the outer diameter of the pipe body, and the lower sealing gasket has a sealing effect when being extruded by the pipe body.
Further, the pipe body is sleeved in the upper sealing gasket in a sliding mode, a through hole is formed in the middle of the upper sealing gasket, the diameter of the through hole formed in the upper sealing gasket is smaller than the outer diameter of the pipe body, and the upper sealing gasket has a sealing effect when being extruded by the pipe body.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the pressure release seat that this scheme set up has stable pressure release function, and the stripper plate that sets up moreover can avoid producing the friction with the pressure pipe, has improved lubricator's life to the buffering cap that sets up can avoid the too big crude oil of pressure to strike the water-collecting box for a long time, causes the water-collecting box perforation to leak, has improved lubricator's safety in utilization.
(2) The groove is internally connected with a first spring in a contact manner, the right end of the first spring is connected with a guide rod in a contact manner, the surface of the guide rod is connected with the groove in a sliding manner, the right end of the guide rod is fixedly connected with an extrusion plate, and when the first spring is extruded by the guide rod, the extrusion plate has the effect of compression elasticity, and the elasticity enables the extrusion plate to have the automatic extrusion function.
(3) The fixed cover in surface of honeycomb duct has cup jointed the spacing ring, and the second spring has been cup jointed in the outside of honeycomb duct, and the upper end contact of second spring is connected with the sliding sleeve, and the honeycomb duct has been cup jointed in the sliding sleeve, and when the second spring received the extrusion of sliding sleeve, the effect that has compression elasticity, elasticity makes the buffer cap have automatic re-setting's function.
(4) Be equipped with the spout in the buffering cap, sliding sleeve has cup jointed the spacing ring in the spout, is equipped with the draw-in groove in the buffering cap, and the surface of buffering cap is equipped with the wash port that annular equidistance distributes, and when the spacing ring slides and cup joints in the spout, the buffering cap has the function of removing.
(5) The right side fixedly connected with extrusion piece of stripper plate, the right side contact of extrusion piece is connected with the pressure pipe, and the material of extrusion piece is resistant oily shock-resistant rubber, and the extrusion piece of setting can avoid stripper plate and pressure pipe to produce the friction, has prolonged the life of stripper plate and pressure pipe to still have the effect of buffering.
(6) The pipe body is sleeved in the lower sealing gasket in a sliding mode, a through hole is formed in the middle of the lower sealing gasket, the diameter of the through hole formed in the lower sealing gasket is smaller than the outer diameter of the pipe body, and the lower sealing gasket has a sealing effect when being extruded by the pipe body.
(7) The pipe body is sleeved in the upper sealing gasket in a sliding mode, a through hole is formed in the middle of the upper sealing gasket, the diameter of the through hole formed in the upper sealing gasket is smaller than the outer diameter of the pipe body, and when the upper sealing gasket is extruded by the pipe body, the sealing effect is achieved.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a sectional view of the water collecting box of the present invention;
FIG. 3 is a sectional view of the pressure relief seat mounting structure of the present invention;
FIG. 4 is a sectional view of the installation structure of the buffering cap of the present invention;
fig. 5 is a top view of the buffering cap structure of the present invention.
The reference numbers in the figures illustrate:
the water collecting device comprises a pipe body 1, a plug 11, a water collecting box 2, an upper sealing gasket 21, a lower sealing gasket 22, a pressure discharging pipe 3, a pressure releasing seat 4, a clearance groove 41, a groove 42, a first spring 43, a guide rod 44, an extrusion plate 45, an extrusion block 46, a flow guiding pipe 5, a limiting ring 51, a second spring 52, a water outlet hole 53, a buffer cap 6, a sliding sleeve 61, a sliding groove 62, a clamping groove 63, a water discharging hole 64, a water outlet pipe 7 and a valve 71.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-5, a blowout preventer for oil recovery testing, including a pipe body 1, referring to fig. 1-5, a plug 11 is fixedly installed at the upper end of the pipe body 1, the plug 11 is used to seal the upper end outlet of the blowout preventer, and belongs to the prior art, a water collecting box 2 is fixedly sleeved on the surface of the pipe body 1, the water collecting box 2 is used to collect crude oil brought out by the pressure of a pressure discharging pipe 3, an upper sealing gasket 21 is fixedly sleeved on the inner wall of the upper end of the water collecting box 2, a lower sealing gasket 22 is fixedly sleeved on the inner wall of the lower end of the water collecting box 2, the pressure discharging pipe 3 is sleeved in the water collecting box 2, when the pressure in the blowout preventer is too high, the excessive pressure is discharged out of the blowout preventer through the pressure discharging pipe 3, the plug 11 arranged at the upper end of the blowout preventer is prevented from being pierced by the crude oil with the excessive pressure, the right end of the pressure discharging pipe 3, be equipped with the recess 42 of symmetry in the seat of releasing pressure 4, the lower extreme fixedly connected with honeycomb duct 5 of water collection box 2, honeycomb duct 5 is used for deriving the crude oil in the seat of releasing pressure 4, honeycomb duct 5's surface is equipped with apopore 53, apopore 53 is annular equidistance and distributes, the lower extreme slip of honeycomb duct 5 has cup jointed buffering cap 6, the lower extreme fixedly connected with outlet pipe 7 of water collection box 2, outlet pipe 7 is used for carrying the crude oil collection of taking out when releasing pressure in the water collection box 2 in the storage article, the fixed surface of outlet pipe 7 installs valve 71, valve 71 belongs to prior art, be used for controlling opening and closing of outlet pipe 7.
Referring to fig. 3 and 4, a first spring 43 is in contact connection in the groove 42, a guide rod 44 is in contact connection at the right end of the first spring 43, the groove 42 is in sliding connection on the surface of the guide rod 44, an extrusion plate 45 is fixedly connected at the right end of the guide rod 44, when the first spring 43 is extruded by the guide rod 44, the first spring has the effect of compression elasticity, the extrusion plate 45 has the function of automatic extrusion due to the elasticity, a limit ring 51 is fixedly sleeved on the surface of the flow guide pipe 5, a second spring 52 is sleeved on the outer side of the flow guide pipe 5, a sliding sleeve 61 is in contact connection with the upper end of the second spring 52, the flow guide pipe 5 is sleeved in the sliding sleeve 61 in a sliding manner, when the second spring 52 is extruded by the sliding sleeve 61, the effect.
Please refer to fig. 3 and 4, a sliding groove 62 is arranged in the buffer cap 6, a limit ring 51 is slidably sleeved in the sliding groove 62, a clamping groove 63 is arranged in the buffer cap 6, a drainage hole 64 distributed in an annular equal distance is arranged on the surface of the buffer cap 6, when the limit ring 51 is slidably sleeved in the sliding groove 62, the buffer cap 6 has a moving function, a right side fixedly connected with extrusion block 46 of the extrusion plate 45 is connected with the pressure-discharging pipe 3, the extrusion block 46 is made of oil-resistant impact-resistant rubber, the extrusion block 46 can avoid the friction between the extrusion plate 45 and the pressure-discharging pipe 3, the service life of the extrusion plate 46 and the pressure-discharging pipe 3 is prolonged, and the buffer function is also provided.
Referring to fig. 2, the pipe body 1 is slidably sleeved in the lower sealing gasket 22, a through hole is formed in the middle of the lower sealing gasket 22, the diameter of the through hole formed in the lower sealing gasket 22 is smaller than the outer diameter of the pipe body 1, when the lower sealing gasket 22 is extruded by the pipe body 1, the sealing effect is achieved, the pipe body 1 is slidably sleeved in the upper sealing gasket 21, a through hole is formed in the middle of the upper sealing gasket 21, the diameter of the through hole formed in the upper sealing gasket 21 is smaller than the outer diameter of the pipe body 1, and when the upper sealing gasket 21 is extruded by the pipe body.
When the blowout prevention pipe for the oil extraction test is used, crude oil containing excessive pressure enters the pressure exhaust pipe 3 through the blowout prevention pipe, the crude oil enters the pressure exhaust pipe 3 and flows leftwards to push the extrusion plate 45, the extrusion plate 45 moves leftwards under the pressure of the crude oil to extrude the first spring 43, the first spring 43 forms compression elasticity, a gap is formed between the extrusion block 46 and the pressure exhaust pipe 3 at the moment, the crude oil flows into the clearance groove 41 through the gap, after the excessive pressure is exhausted, the first spring 43 releases elasticity to push the extrusion plate 45 rightwards, the extrusion plate 45 moves rightwards to enable the extrusion block 46 to contact the left end of the pressure exhaust pipe 3 to seal the pressure exhaust pipe 3, the arranged pressure relief seat 4 has a stable pressure relief function, the arranged extrusion plate 45 can avoid friction with the pressure exhaust pipe 3, the service life of the blowout prevention pipe is prolonged, the crude oil in the clearance groove 41 flows out of the pressure relief seat 4 through the draft tube 5, the crude oil flows downwards along the draft tube 5 and extrudes, buffer cap 6 moves down and drives sliding sleeve 61 extrusion second spring 52, second spring 52 forms compression elasticity, buffer cap 6 moves down makes apopore 53 and the crude oil that honeycomb duct 5 lower extreme flows get into spout 62 in, then get into inside water collection box 2 through wash port 64, second spring 52 releases elasticity after crude oil discharges and accomplishes, elasticity upwards promotes buffer cap 6, buffer cap 6 upwards moves the answer position, honeycomb duct 5's lower extreme card this moment is gone into in draw-in groove 63, buffer cap 6 that sets up can avoid the too big crude oil of pressure to strike water collection box 2 for a long time, cause the perforation of water collection box 2 to leak, the safety in utilization of lubricator has been improved.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (7)
1. The utility model provides an oil recovery test is with lubricator, includes body (1), its characterized in that: the pipe is characterized in that a plug (11) is fixedly mounted at the upper end of the pipe body (1), a water collecting box (2) is sleeved on the surface of the pipe body (1), an upper sealing gasket (21) is fixedly sleeved on the inner wall of the upper end of the water collecting box (2), a lower sealing gasket (22) is fixedly sleeved on the inner wall of the lower end of the water collecting box (2), a pressure discharging pipe (3) is sleeved in the water collecting box (2), the right end of the pressure discharging pipe (3) is fixedly connected with the pipe body (1), a pressure discharging seat (4) is fixedly sleeved at the left end of the pressure discharging pipe (3), an empty avoiding groove (41) is arranged in the pressure discharging seat (4), symmetrical grooves (42) are arranged in the pressure discharging seat (4), a flow guiding pipe (5) is fixedly connected with the lower end of the water collecting box (2), a water outlet hole (53) is arranged on the surface of the flow, the lower extreme fixedly connected with outlet pipe (7) of water collection box (2), the fixed surface of outlet pipe (7) installs valve (71).
2. The lubricator for oil recovery testing of claim 1, wherein: a first spring (43) is connected in the groove (42) in a contact mode, the right end of the first spring (43) is connected with a guide rod (44) in a contact mode, the surface of the guide rod (44) is connected with the groove (42) in a sliding mode, and a pressing plate (45) is fixedly connected to the right end of the guide rod (44).
3. The lubricator for oil recovery testing of claim 1, wherein: the fixed surface of honeycomb duct (5) has cup jointed spacing ring (51), second spring (52) have been cup jointed in the outside of honeycomb duct (5), the upper end contact of second spring (52) is connected with sliding sleeve (61), honeycomb duct (5) have been cup jointed in sliding sleeve (61).
4. The lubricator for oil recovery testing of claim 1, wherein: the buffer cap is characterized in that a sliding groove (62) is formed in the buffer cap (6), a limiting ring (51) is sleeved in the sliding groove (62) in a sliding mode, a clamping groove (63) is formed in the buffer cap (6), and annular water drainage holes (64) distributed at equal intervals are formed in the surface of the buffer cap (6).
5. The lubricator for oil recovery testing of claim 2, wherein: the right side fixedly connected with extrusion piece (46) of stripper plate (45), the right side contact of extrusion piece (46) is connected with pressure pipe (3), the material of extrusion piece (46) is resistant oily shock-resistant rubber.
6. The lubricator for oil recovery testing of claim 1, wherein: the pipe body (1) is sleeved in the lower sealing gasket (22) in a sliding mode, a through hole is formed in the middle of the lower sealing gasket (22), and the diameter of the through hole formed in the lower sealing gasket (22) is smaller than the outer diameter of the pipe body (1).
7. The lubricator for oil recovery testing of claim 1, wherein: the pipe body (1) is sleeved in the upper sealing gasket (21) in a sliding mode, a through hole is formed in the middle of the upper sealing gasket (21), and the diameter of the through hole formed in the upper sealing gasket (21) is smaller than the outer diameter of the pipe body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921093832.7U CN210113375U (en) | 2019-07-13 | 2019-07-13 | Blowout prevention pipe for oil extraction test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921093832.7U CN210113375U (en) | 2019-07-13 | 2019-07-13 | Blowout prevention pipe for oil extraction test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210113375U true CN210113375U (en) | 2020-02-25 |
Family
ID=69579196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921093832.7U Expired - Fee Related CN210113375U (en) | 2019-07-13 | 2019-07-13 | Blowout prevention pipe for oil extraction test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210113375U (en) |
-
2019
- 2019-07-13 CN CN201921093832.7U patent/CN210113375U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200225 Termination date: 20200713 |
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| CF01 | Termination of patent right due to non-payment of annual fee |