CN204532225U - Well rod operation wellhead Quick blowout preventer - Google Patents
Well rod operation wellhead Quick blowout preventer Download PDFInfo
- Publication number
- CN204532225U CN204532225U CN201520251348.8U CN201520251348U CN204532225U CN 204532225 U CN204532225 U CN 204532225U CN 201520251348 U CN201520251348 U CN 201520251348U CN 204532225 U CN204532225 U CN 204532225U
- Authority
- CN
- China
- Prior art keywords
- reading
- tubing string
- hanging piece
- sucker rod
- safe hanging
- 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
Abstract
Well rod operation wellhead Quick blowout preventer of the present utility model relates to oil exploitation oilwell safety equipment, be by oil pipe pipe collar suitable for reading be connected to sucker rod safe hanging piece tubing string and quick blocking valve body form, the suitable for reading of its oil pipe pipe collar is buckled by spiral shell to be connected to nipple seat, the end opening of the safe hanging piece tubing string of the suitable for reading and sucker rod of nipple seat plugs and fastening by pressure cap, the tight fit connection suitable for reading of safe hanging piece tubing string quick blocking valve body.Well rod operation Quick blowout preventer of the present utility model, structure is simple, low cost of manufacture, easy for installation, time saving and energy saving, blowout prevention effect, and change easily, operation easier is little, and safety factor is high.
Description
Technical field
The utility model relates to oil exploitation oilwell safety equipment, particularly relates to well rod operation wellhead Quick blowout preventer.
Background technology
In petroleum drilling and mining, oil pumper motor-pumped well proportion is larger, when exploration is inaccurate to subsurface pressure test, the mud density injected is too low or when occurring that strata pressure becomes suddenly the situation such as large, often there will be blowout, oil or the gas of ejection cause serious pollution to environment, sometimes be because polished rod break falls or comes off, full well bar is caused to decline, well head packing is in unsealing state, the blowout caused, at this moment need rapidly blowout hookup to be installed, normally used is blowout prevention box, but existing blowout prevention box installation difficulty is large, length consuming time, and complex structure, cost is higher, very inconvenience is installed.
Summary of the invention
The utility model is intended to the deficiency for existing in background technology, and the well rod operation wellhead Quick blowout preventer proposed.
Well rod operation wellhead Quick blowout preventer of the present utility model, be by oil pipe pipe collar suitable for reading be connected to sucker rod safe hanging piece tubing string and quick blocking valve body form, the suitable for reading of its oil pipe pipe collar is buckled by spiral shell to be connected to nipple seat, the end opening of the safe hanging piece tubing string of the suitable for reading and sucker rod of nipple seat plugs and fastening by pressure cap, the tight fit connection suitable for reading of safe hanging piece tubing string quick blocking valve body.
As further improvement of the utility model, the end opening inner ring of safe hanging piece tubing string secures sucker rod suspension bracket, and the end opening of sucker rod suspension bracket to be linked with sucker rod phase spiral shell by pup joint of sucker rod and connects.
As further improvement of the utility model, the inner ring suitable for reading of pressure cap and the embedded snap ring phase clamping of safe hanging piece tubing string, its end opening coordinates with the phase spiral shell button suitable for reading of nipple seat, and the inserting section of safe hanging piece tubing string and nipple seat has O V-shaped ring.
As further improvement of the utility model, quick blocking valve body is the radial ball valve of high-speed switch.
As further improvement of the utility model, the centre bit of sucker rod suspension bracket is the screw be connected with sucker rod upper end, has a vertical passage at least between the periphery of this screw and safe hanging piece pipe string internal wall.
Well rod operation wellhead Quick blowout preventer of the present utility model, structure is simple, low cost of manufacture, easy for installation, time saving and energy saving, blowout prevention effect, and change easily, operation easier is little, and safety factor is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the utility model A-A is to sectional view.
Detailed description of the invention
Below in conjunction with accompanying drawing 1 and accompanying drawing 2 to well rod operation wellhead Quick blowout preventer of the present utility model, be described further.
Well rod operation wellhead Quick blowout preventer of the present utility model, be by oil pipe pipe collar 1 suitable for reading be connected to sucker rod 2 safe hanging piece tubing string 3 and quick blocking valve body 4 form, the suitable for reading of its oil pipe pipe collar 1 is buckled by spiral shell to be connected to nipple seat 5, the end opening of the safe hanging piece tubing string 3 of the suitable for reading and sucker rod 2 of nipple seat 5 plugs and fastening by pressure cap 6, the tight fit connection suitable for reading of safe hanging piece tubing string 3 quick blocking valve body 4.The end opening inner ring of safe hanging piece tubing string 3 secures sucker rod suspension bracket 7, and the end opening of sucker rod suspension bracket 7 to be linked with sucker rod 2 phase spiral shell by pup joint of sucker rod 8 and connects.The inner ring suitable for reading of pressure cap 6 and the embedded snap ring 9 phase clamping of safe hanging piece tubing string 3, its end opening coordinates with the phase spiral shell button suitable for reading of nipple seat 5, safe hanging piece tubing string 3 with the inserting section of nipple seat 5 there is O V-shaped ring 10, its object is to after being connected by pressure cap 6, be matched in clearance between safe hanging piece tubing string 3 and nipple seat 5, nipple seat 5 can do free rotation relative to safe hanging piece tubing string 3.Quick blocking valve body 4 is the radial ball valve of high-speed switch.The centre bit of sucker rod suspension bracket 7 is the screws 11 be connected with sucker rod 2 upper end, has a vertical passage 12 at least between the periphery of this screw 11 and safe hanging piece tubing string 3 inwall.
During installation, by quick blocking valve body 4 be high-speed switch radial ball valve on switch opens, oil pipe pipe collar 1 is connected with well mouth of oil well sleeve pipe, in connection procedure, nipple seat 5 can rotate freely relative to safe hanging piece tubing string 3, after connection, ball valve quick blocking valve body 4 is closed and can reach blowout prevention effect.
Claims (5)
1. well rod operation wellhead Quick blowout preventer, be by oil pipe pipe collar (1) suitable for reading be connected to sucker rod (2) safe hanging piece tubing string (3) and quick blocking valve body (4) form, it is characterized in that the suitable for reading of oil pipe pipe collar (1) is buckled by spiral shell to be connected to nipple seat (5), the end opening of the safe hanging piece tubing string (3) of the suitable for reading and sucker rod (2) of nipple seat (5) plugs and fastening by pressure cap (6), the tight fit connection suitable for reading of safe hanging piece tubing string (3) quick blocking valve body (4).
2. well rod operation wellhead Quick blowout preventer as claimed in claim 1, it is characterized in that the end opening inner ring of safe hanging piece tubing string (3) secures sucker rod suspension bracket (7), the end opening of sucker rod suspension bracket (7) to be linked with sucker rod (2) phase spiral shell by pup joint of sucker rod (8) and connects.
3. well rod operation wellhead Quick blowout preventer as claimed in claim 1 or 2, it is characterized in that embedded snap ring (9) the phase clamping of the inner ring suitable for reading of pressure cap (6) and safe hanging piece tubing string (3), its end opening coordinates with the phase spiral shell button suitable for reading of nipple seat (5), and the inserting section of safe hanging piece tubing string (3) with nipple seat (5) has O V-shaped ring (10).
4. well rod operation wellhead Quick blowout preventer as claimed in claim 1 or 2, is characterized in that the radial ball valve that quick blocking valve body (4) is high-speed switch.
5. well rod operation wellhead Quick blowout preventer as claimed in claim 1 or 2, it is characterized in that the centre bit of sucker rod suspension bracket (7) is the screw (11) be connected with sucker rod (2) upper end, between the periphery of this screw (11) and safe hanging piece tubing string (3) inwall, have a vertical passage (12) at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520251348.8U CN204532225U (en) | 2015-04-23 | 2015-04-23 | Well rod operation wellhead Quick blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520251348.8U CN204532225U (en) | 2015-04-23 | 2015-04-23 | Well rod operation wellhead Quick blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532225U true CN204532225U (en) | 2015-08-05 |
Family
ID=53746248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520251348.8U Expired - Fee Related CN204532225U (en) | 2015-04-23 | 2015-04-23 | Well rod operation wellhead Quick blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204532225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763370A (en) * | 2015-04-23 | 2015-07-08 | 王福全 | Rapid well mouth blowout preventing device for oil well sucker rod operation |
-
2015
- 2015-04-23 CN CN201520251348.8U patent/CN204532225U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763370A (en) * | 2015-04-23 | 2015-07-08 | 王福全 | Rapid well mouth blowout preventing device for oil well sucker rod operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20190423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |