CN216157629U - Blowout preventer for oil field exploitation - Google Patents
Blowout preventer for oil field exploitation Download PDFInfo
- Publication number
- CN216157629U CN216157629U CN202122266693.7U CN202122266693U CN216157629U CN 216157629 U CN216157629 U CN 216157629U CN 202122266693 U CN202122266693 U CN 202122266693U CN 216157629 U CN216157629 U CN 216157629U
- Authority
- CN
- China
- Prior art keywords
- blowout preventer
- shell
- boss
- pressure sensor
- sealing filler
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012856 packing Methods 0.000 description 15
- 210000004907 gland Anatomy 0.000 description 4
- 238000000605 extraction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a blowout preventer for oilfield exploitation, which comprises a blowout preventer shell, sealing filler, an upper clamp plate, a lower clamp plate, a fixed plate, a boss, a pressure sensor, a sliding sleeve, a pressure spring, an oil drainage port, an alarm and a locking cover, wherein the blowout preventer shell is sleeved outside a sucker rod, the upper clamp plate and the lower clamp plate are respectively fixed at the upper end and the lower end of the sealing filler in the blowout preventer shell, the fixed plate is fixed inside the blowout preventer shell, the boss is arranged on the fixed plate, the pressure sensor is arranged at the bottom end of the boss, the sliding sleeve is connected outside the boss in a sliding manner, the sliding sleeve is connected with the pressure spring, the pressure spring is fixedly connected with the top of the upper clamp plate, the alarm is arranged outside the blowout preventer shell and is electrically connected with the pressure sensor, and an oil drainage port communicated with the interior of the blowout preventer shell is arranged on one side of the blowout preventer shell. This blowout preventer can acquire the effect that compresses tightly of sealing filler through pressure sensor's pressure, is convenient for remind the staff in time to change sealing filler and avoids taking place to reveal, and is sealed effectual.
Description
Technical Field
The utility model relates to the technical field of oil exploitation, in particular to a blowout preventer for oil field exploitation.
Background
The oil extraction well mouth all produces the pressure of sealed effect for the shutoff well mouth inside through packing to the sucker rod, packing is sealed belongs to static seal, adaptability is not strong when producing the change to pressure, when the sealed length of packing is not enough, can't be with pressure shutoff in the well mouth, the sealed length of packing is overlength, there is the packing upper and lower part degree of compression to be greater than the degree of compression in the middle part of packing, after upper and lower packing wearing and tearing, the packing force in middle part is not enough, the condition of leaking takes place promptly, the extraction liquid of leaking is discharged to the external environment, there is the problem of polluted environment.
The existing sealer has poor sealing effect, influences the exploitation of petroleum, does not have the prompt function of insufficient packing pressing force, and cannot prevent leakage in advance and replace the packing in time.
Therefore, a blowout preventer for oilfield exploitation is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a blowout preventer for oil field exploitation, which can obtain the compression effect of sealing filler by the pressure of a pressure sensor, so that workers can be prompted to replace the sealing filler in time to avoid leakage, and the sealing effect is good.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a blowout preventer for oil field exploitation comprises a blowout preventer shell, sealing filler, an upper clamp plate, a lower clamp plate, a fixing plate, a boss, a pressure sensor, a sliding sleeve, a compression spring, an oil drainage port, an alarm and a locking cover, and is characterized in that the blowout preventer shell is sleeved outside an oil pumping rod, the sealing filler is arranged inside the blowout preventer shell, the upper end and the lower end of the sealing filler are fixedly provided with the upper clamp plate and the lower clamp plate respectively, the inside of the blowout preventer shell is positioned above the upper clamp plate and is fixed with the fixing plate, the bottom end of the fixing plate is provided with the boss, the pressure sensor is arranged at the bottom end of the boss, the sliding sleeve is connected outside the boss in a sliding manner, the sliding sleeve is fixedly connected with one end of the compression spring, the other end of the compression spring is fixedly connected with the top of the upper clamp plate, and the alarm is arranged outside the blowout preventer shell, the alarm is electrically connected with the pressure sensor, and an oil drainage port communicated with the inside of the casing of the blowout preventer is arranged on one side of the casing of the blowout preventer.
Preferably, the oil drainage port is positioned between the upper clamping plate and the fixing plate.
Preferably, the top of the casing of the well sealer is provided with a locking cover in threaded connection with the casing of the well sealer.
Preferably, the sealing filler is in a single-layer or multi-layer stacked structure.
Preferably, the pressure sensor and the alarm are both connected with an external power supply through an inverter.
The utility model provides a blowout preventer for oilfield exploitation. The method has the following beneficial effects:
1. this blowout preventer can acquire the effect that compresses tightly of sealing filler through pressure sensor's pressure, is convenient for remind the staff in time to change sealing filler and avoids taking place to reveal, and is sealed effectual.
Drawings
FIG. 1 is a schematic structural diagram of a blowout preventer for oilfield development according to the present invention;
FIG. 2 is an enlarged schematic view of the blowout preventer at A according to the present invention.
In the figure: the well sealer comprises a well sealer shell 1, a sealing filler 2, an upper clamping plate 3, a lower clamping plate 4, a fixing plate 5, a boss 6, a pressure sensor 7, a sliding sleeve 8, a compression spring 9, an oil drainage port 10, an alarm 11 and a locking cover 12.
Detailed Description
The utility model is further described with reference to the following drawings and detailed description:
in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, a blowout preventer for oil field exploitation comprises a blowout preventer shell 1, a sealing filler 2, an upper clamp plate 3, a lower clamp plate 4, a fixing plate 5, a boss 6, a pressure sensor 7, a sliding sleeve 8, a compression spring 9, an oil drain port 10, an alarm 11 and a locking cover 12, wherein the blowout preventer shell 1 is sleeved outside an oil pumping rod, the sealing filler 2 is arranged inside the blowout preventer shell 1, the upper and lower ends of the sealing filler 2 are respectively and fixedly provided with the upper clamp plate 3 and the lower clamp plate 4, the fixing plate 5 is fixed inside the blowout preventer shell 1 above the upper clamp plate 3, the boss 6 is arranged at the bottom end of the fixing plate 5, the pressure sensor 7 is arranged at the bottom end of the boss 6, the sliding sleeve 8 is slidably connected to the outside of the boss 6, the sliding sleeve 8 is fixedly connected to one end of the compression spring 9, the other end of the compression spring 9 is fixedly connected to the top of the upper clamp plate 3, the outside mounting of blowout preventer shell 1 has alarm 11, alarm 11 with pressure sensor 7 electricity is connected, blowout preventer shell 1 one side is equipped with the draining port 10 rather than inside intercommunication.
Through the scheme of the utility model, the oil drainage port 10 is positioned between the upper clamping plate 3 and the fixing plate 5.
Through the scheme of the utility model, the top of the blowout preventer shell 1 is provided with the locking cover 12 in threaded connection with the blowout preventer shell for top sealing.
By the scheme of the utility model, the sealing filler 2 is of a single-layer or multi-layer stacked structure.
Through the scheme of the utility model, the pressure sensor 7 and the alarm 11 are both connected with an external power supply through an inverter.
During the use, when 2 packing force of gland packing is not enough, gland packing 2 promotes 3 upshifts of punch holder, 3 extrusion compressed spring 9 of punch holder, the extruded sliding sleeve 8 that pushes away of the compressed spring 9 other end, 8 sliding sleeves make 8 inner walls of sliding sleeves contact pressure sensor 7 along the slip of boss 6, pressure sensor 7 pressurized gives alarm 11 with signal transmission, alarm 11 reports to the police and reminds the staff in time to change gland packing and avoids taking place to reveal, compressed spring 9 has certain holding power to gland packing 2, delay it and shift up, avoid the too early leakage from draining port 10 of profit.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A blowout preventer for oil field exploitation comprises a blowout preventer shell (1), a sealing filler (2), an upper clamping plate (3), a lower clamping plate (4), a fixing plate (5), a boss (6), a pressure sensor (7), a sliding sleeve (8), a compression spring (9), an oil drainage port (10), an alarm (11) and a locking cover (12), and is characterized in that the blowout preventer shell (1) is sleeved outside an oil pumping rod, the sealing filler (2) is arranged inside the blowout preventer shell (1), the upper clamping plate (3) and the lower clamping plate (4) are fixedly arranged at the upper end and the lower end of the sealing filler (2) respectively, the fixing plate (5) is fixed inside the blowout preventer shell (1) above the upper clamping plate (3), the boss (6) is arranged at the bottom end of the fixing plate (5), the pressure sensor (7) is arranged at the bottom end of the boss (6), the outside sliding connection of boss (6) has sliding sleeve (8), sliding sleeve (8) with the one end fixed connection of compression spring (9), the other end of compression spring (9) with the top fixed connection of punch holder (3), the externally mounted of blowout preventer shell (1) has alarm (11), alarm (11) with pressure sensor (7) electricity is connected, blowout preventer shell (1) one side is equipped with draining port (10) rather than inside intercommunication.
2. The blowout preventer of claim 1, wherein: the oil drainage port (10) is positioned between the upper clamping plate (3) and the fixing plate (5).
3. The blowout preventer of claim 1, wherein: and the top of the blowout preventer shell (1) is provided with a locking cover (12) in threaded connection with the blowout preventer shell.
4. The blowout preventer of claim 1, wherein: the sealing filler (2) is of a single-layer or multi-layer stacked structure.
5. The blowout preventer of claim 1, wherein: and the pressure sensor (7) and the alarm (11) are connected with an external power supply through an inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122266693.7U CN216157629U (en) | 2021-09-18 | 2021-09-18 | Blowout preventer for oil field exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122266693.7U CN216157629U (en) | 2021-09-18 | 2021-09-18 | Blowout preventer for oil field exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216157629U true CN216157629U (en) | 2022-04-01 |
Family
ID=80852007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122266693.7U Expired - Fee Related CN216157629U (en) | 2021-09-18 | 2021-09-18 | Blowout preventer for oil field exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216157629U (en) |
-
2021
- 2021-09-18 CN CN202122266693.7U patent/CN216157629U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220401 |