CN205422614U - Energy -saving well head seals ware - Google Patents
Energy -saving well head seals ware Download PDFInfo
- Publication number
- CN205422614U CN205422614U CN201620231674.7U CN201620231674U CN205422614U CN 205422614 U CN205422614 U CN 205422614U CN 201620231674 U CN201620231674 U CN 201620231674U CN 205422614 U CN205422614 U CN 205422614U
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- mat
- belt
- chamber
- groove
- energy
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Abstract
The utility model discloses an energy -saving well head seals ware, including lead -in groove, pressure cap, mat chamber, tuningout spare and connection tissue, the lead -in groove install and press the cap, press on the cap installs the mat chamber, install tuningout spare on the mat chamber, tuningout spare is installed and is connected tissue, connects tissue and oil pipe upper end tee junction, offers the round hole that supplies the polished rod to penetrate in the middle of the lead -in groove, the other race of having offered of round hole is the rectangle on, is the lower extreme 25 35 the degree skew. Because the inverted cone form is adopted in the sub - chamber of this sealer, through rotatory press that the cap makes change tighter more in fact that the belt can press over to, so the leakproofness is good, edge sealing more. And belt itself just has wear -resisting high temperature resistance effect, so usefulness is more permanent. It is higher to be somebody's turn to do sealed ware production effect and economic benefits simultaneously. Simultaneously, it only needs 15 minutes whenever to trade a mat, and the belt has added the back, and one section belt is left to the outside, when the packing box oil leak, can incessantly take out and continue to add the belt like this, and behaviour does convenient simply.
Description
Technical field
The utility model relates to a kind of wellhead sealing device, particularly relates to a kind of energy-saving wellhead sealing device.
Background technology
Crude oil pollution has become a serious problem during oil field produces.In the last few years, passed through multiple
Means, test is applied various well mouth sealing devices, and is made some progress.But for oil pumper
Not positive eccentric wear, disconnected liquid well, aqueous high well；Well head leakage problem, is the most preferably solved.
In recent years, existing producing well mainly employs common packing box, is all to add rubber packing mat,
For normally producing well, change the most weekly a packing pad, but well head is slightly misaligned eccentric wear,
And disconnected liquid well, aqueous higher well are just very easy to leakage, need a day or two and must change a packing,
Severe patient even causes and bumps off a well.High pressure packing box, achieves certain effect for part well, but
Well head condition is required higher by this packing box, inclined too big of polished rod, and aqueous big well still leaks,
Waste seals mat, and effect is not very good.Meanwhile, to being in eccentric wear, High water cut and collecting defeated
Some oil wells under well high pressure, it is impossible to solve well head leakage problem well, change packing mat number of times
Many, well head leakage crude oil amount is big, causes environmental pollution serious, and oil recovery work workload is bigger.
Utility model content
The utility model is in order to solve above-mentioned technical problem, it is provided that a kind of simple to operate, safety and environmental protection
Energy-saving wellhead sealing device, sealing effectiveness is the best, and production effect and economic benefit are higher, alleviate employee
Labour intensity.
The utility model is to be achieved through the following technical solutions:
A kind of energy-saving wellhead sealing device, including lead-in groove, pressure cap, mat chamber, tuningout part and connection group
Knit；Described lead-in groove is installed in pressure cap, and pressure cap is installed on mat chamber, and mat is provided with tune on chamber
Part partially, tuningout part is installed to connect tissue, connects tissue and is connected with the threeway of oil pipe upper end, in lead-in groove
Between offer the circular hole penetrated for polished rod, offer belt grooves by circular hole, belt grooves upper end is rectangle, under
End offsets in 25-35 degree.
Described mat chamber inner chamber is inverted cone-shaped structure the least above.
Described tuningout part lower end is ellipse pie structure.
Screwed connection is used between described lead-in groove, pressure cap, mat chamber, tuningout part and connection tissue.
Compared with prior art, the utility model has a following useful technique effect:
The energy-saving wellhead sealing device that the utility model provides, also known as: packing box, due to this sealer
Sub-chamber uses inverted cone-shaped shape, by proceeding to of rotating that pressure cap makes belt can press the most real tightlier, so sealing
Property is good, more seals.Belt inherently has the effect of Wear-resistant, high-temperature resistant, thus more permanent.With
Time, often changing a mat only needs 15 minutes, after belt adds, and one section of belt is left in outside, so exists
During packing box leakage of oil, can not stop to take out and continuously add belt, behaviour does convenient and simple.And commonly packing box needs
Again dismantle packing box, reload mat, change complexity.This new energy-saving wellhead sealing device, close
Envelope effect is the best, and production effect and economic benefit are higher, for efficient energy-saving oil field development, has stepped new
A step.
Accompanying drawing explanation
The structural representation of the energy-saving wellhead sealing device that Fig. 1 provides for the utility model；
The sectional structure schematic diagram of the energy-saving wellhead sealing device that Fig. 2 provides for the utility model；
The structural representation of the lead-in groove of the energy-saving wellhead sealing device that Fig. 3 provides for the utility model；
The structural representation of the tuningout part of the energy-saving wellhead sealing device that Fig. 4 provides for the utility model.
Wherein, 1 is lead-in groove；2 is pressure cap；3 is mat chamber；4 is tuningout part；5 for connecting tissue；
6 is belt grooves；7 is circular hole.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in further detail, described in be to this
The explanation of utility model rather than restriction.
Seeing Fig. 1 to Fig. 4, a kind of energy-saving wellhead sealing device, including lead-in groove 1, pressure cap 2, mat
Chamber 3, tuningout part 4 and connection tissue 5；Described lead-in groove 1 is installed in pressure cap 2, and pressure cap 2 is installed
On mat chamber 3, mat chamber 3 being provided with tuningout part 4, tuningout part 4 is installed to connect on tissue 5,
Connect tissue 5 to be connected with the threeway of oil pipe upper end, in the middle of lead-in groove 1, offer the circular hole 7 penetrated for polished rod,
Circular hole 7 is other offers belt grooves 6, and belt grooves 6 upper end is rectangle, and lower end is the skew of 25-35 degree.
Described mat chamber 3 inner chamber is inverted cone-shaped structure the least above.
Described tuningout part 4 lower end is ellipse pie structure.
Silk is used between described lead-in groove 1, pressure cap 2, mat chamber 3, tuningout part 4 and connection tissue 5
Button connects.
The using method of this energy-saving wellhead sealing device:
Belt being inserted lead-in groove, rotates clockwise, the belt made spirally proceeds in mat chamber.
Pressure cap is by the belt compacting proceeded in mat chamber, compression, as pressure cap has proceeded to bottom mat chamber, and will
Pressure cap is made to top, again rotates and imports belt, again rotates pressure cap compacting, and the polished rod made more is encrypted
Envelope.
It is inverted cone-shaped shape the least above in mat chamber, by rotating the belt pressure of the importing that pressure cap makes
More real, tighter, play more seal do use.
Because part oil-extractor polish-rod can not cause polished rod eccentric wear just to well head；Tuningout is to quote ellipse cake
The tuningout part of shape structure connects, and the packing box mouth made by fine setting eccentric part is aligned with polished rod as far as possible, drops the end
Eccentric wear.
Connecting tissue is to be connected with the threeway of oil pipe upper end.
It should be noted that owing to energy-saving wellhead sealing device using effect is fine, high financial profit.By
In portion's water big well seriously corroded to polished rod, the polished rod made is the most smooth, the serious wear to mat, can
To be initially charged the finer wire of a meter when adding mat, it is wrapped on polished rod, adds a small amount of butter, make
Polished rod is more smooth, reduces the abrasion to mat, and it is more permanent to use.
The energy-saving wellhead sealing device that the utility model provides, also known as: packing box, due to this sealer
Sub-chamber uses inverted cone-shaped shape, by proceeding to of rotating that pressure cap makes belt can press the most real tightlier, so sealing
Property is good, more seals.Belt inherently has the effect of Wear-resistant, high-temperature resistant, thus more permanent.With
Time, often changing a mat only needs 15 minutes, after belt adds, and one section of belt is left in outside, so exists
During packing box leakage of oil, can not stop to take out and continuously add belt, behaviour does convenient and simple.And commonly packing box needs
Again dismantle packing box, reload mat, change complexity.This new energy-saving wellhead sealing device, close
Envelope effect is the best, and production effect and economic benefit are higher, for efficient energy-saving oil field development, has stepped new
A step.
Meanwhile, because using 4500 type belts, this belt one 4.5 meters, it is divided into 4 parts, is contained in
4 mouthfuls are aboveground, add a joint belt (1.1 meters), can use 3 months, and some well can use 6-8 month,
If any leakage of oil, it is not necessary to dismantle, it is not necessary to stop well, rotate lead-in groove importing belt and be compacted, use the time
Long, decrease workload, alleviate staff labor intensity.Common packing box the most at most can add 7 pads
Son, typically replaces once a week.Need to again dismantle packing box during replacing, due to the pressure in pipeline, make
Crude oil leaks outside dirty so environment, and workload is big.
Meanwhile, when making this packing close, drop at the end number of times that leaks outside, decrease environment dirty so, it is ensured that peace
Loopful protects the production policy of no pollution.
Onsite application situation:
Since August in this year, having applied this sealed packing box, by being filled to 223 well head well, wherein well uses
Time is the longest, has reached 120 days, does not change mat, and this packing box is not added with packing can use half a year,
I.e. 180 days, effect was the best.
Evaluation of economic benefit:
1,1) old-fashioned packing box, changes a packing for average one week, and every oil pumper need to add rubber packing 7
Individual, or tapered packing 1, annual every mouthful of need change 50 calculating, and 3900 mouthfuls of wells produce and need to change a dish in
Root: M=3900 × 7 × 50=1365000 (individual)
Each rubber packing presses 1 yuan of calculating, 1 the 7 yuan calculating of tapered packing:
1365000 × 1=136.5 (ten thousand yuan)
2) and this packing box without rubber mat, only with the used disconnected belt of oil pumper, change every year
3 belts.
2,1) the every monthly average of every mouthful of well of old-fashioned packing box changes 4 packings, adds up to stop well 1 hour, often
Year stops well 12 hours, and every mouthful of individual well oil mass is about 1 ton day, and 2000 yuan of calculations pressed by crude oil per ton.
Loss oil mass is: 3900 × 1=3900 (ton)
Loss benefit: 3900 × 2000=780 (ten thousand yuan)
2) and this packing box changes 6 packings every year, stop well every year 1.5 hours.
Loss oil mass is: 3900 × 0.06=234 (ton)
Loss benefit: 234 × 2000=46.8 (ten thousand yuan)
3, cost:
Old-fashioned packing box: 3900 × 2800=1092 (ten thousand yuan)
Sealed packing box: 3900 × 2200=858 (ten thousand yuan)
The totle drilling cost of old-fashioned packing box: 136.5+780+1092=2008.5 (ten thousand yuan)
The totle drilling cost of sealed packing box: 0+46.8+858=904.8 (ten thousand yuan)
Total economic benefit；(2008.5-904.8=1103.7 ten thousand yuan)
Create economic benefit 1103.7 ten thousand yuan for oil recovery factory every year, protect environment, reduce workload, subtract
Few accident occurs.
Of the present utility model general principle and principal character and of the present utility model excellent have more than been shown and described
Point.Skilled person will appreciate that of the industry, the utility model is not restricted to the described embodiments, above-mentioned
Principle of the present utility model is simply described, without departing from the utility model described in embodiment and specification
On the premise of spirit and scope, the utility model also has various changes and modifications, these changes and improvements
In the range of both falling within claimed the utility model.The utility model claims scope by appended power
Profit claim and equivalent thereof define.
Claims (4)
1. an energy-saving wellhead sealing device, it is characterised in that include lead-in groove (1), pressure cap (2),
Mat chamber (3), tuningout part (4) and connection tissue (5)；Described lead-in groove (1) is installed to pressure cap
(2), in, pressure cap (2) is installed on mat chamber (3), and mat chamber (3) are provided with tuningout part (4),
Tuningout part (4) is installed to connect on tissue (5), connects tissue (5) and is connected with the threeway of oil pipe upper end,
Offering the circular hole (7) penetrated for polished rod in the middle of lead-in groove (1), circular hole (7) is other offers belt grooves
(6), belt grooves (6) upper end is rectangle, and lower end is the skew of 25-35 degree.
Energy-saving wellhead sealing device the most according to claim 1, it is characterised in that described mat
Chamber (3) inner chamber is inverted cone-shaped structure the least above.
Energy-saving wellhead sealing device the most according to claim 1, it is characterised in that described tuningout
Part (4) lower end is ellipse pie structure.
Energy-saving wellhead sealing device the most according to claim 1, it is characterised in that described importing
Silk is used between groove (1), pressure cap (2), mat chamber (3), tuningout part (4) and connection tissue (5)
Button connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231674.7U CN205422614U (en) | 2016-03-24 | 2016-03-24 | Energy -saving well head seals ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231674.7U CN205422614U (en) | 2016-03-24 | 2016-03-24 | Energy -saving well head seals ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205422614U true CN205422614U (en) | 2016-08-03 |
Family
ID=56548124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620231674.7U Expired - Fee Related CN205422614U (en) | 2016-03-24 | 2016-03-24 | Energy -saving well head seals ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205422614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523714A (en) * | 2020-12-04 | 2021-03-19 | 牡丹江力能石油工具有限公司 | High-pressure wear-resistant anti-corrosion automatic deviation-adjusting wellhead sealing device |
| CN112647884A (en) * | 2021-01-07 | 2021-04-13 | 中国石油天然气股份有限公司 | Christmas tree wellhead sealing device |
-
2016
- 2016-03-24 CN CN201620231674.7U patent/CN205422614U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523714A (en) * | 2020-12-04 | 2021-03-19 | 牡丹江力能石油工具有限公司 | High-pressure wear-resistant anti-corrosion automatic deviation-adjusting wellhead sealing device |
| CN112647884A (en) * | 2021-01-07 | 2021-04-13 | 中国石油天然气股份有限公司 | Christmas tree wellhead sealing device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20210324 |