CN200985773Y - Oil well intelligent anti-pollution device - Google Patents
Oil well intelligent anti-pollution device Download PDFInfo
- Publication number
- CN200985773Y CN200985773Y CN 200620151852 CN200620151852U CN200985773Y CN 200985773 Y CN200985773 Y CN 200985773Y CN 200620151852 CN200620151852 CN 200620151852 CN 200620151852 U CN200620151852 U CN 200620151852U CN 200985773 Y CN200985773 Y CN 200985773Y
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- CN
- China
- Prior art keywords
- sealing plate
- intelligent anti
- rectangular cavity
- top connection
- oil well
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- Expired - Lifetime
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Abstract
The utility model relates to an intelligent pollution preventing device applied to oil wells, comprising a testing tube body. The upper end and the lower end of the testing tube body are respectively connected with an upper end cover and a lower end cover, the testing tube body takes a shape of column and has a rectangular cavity, the middle and the lower end of the inner wall of the upper end cover are respectively provided with a seal ring, the upper end of the rectangular cavity of the testing tube body is provided in a matching way with a sealplate pin roll, one end of the sealplate is firmly connected with the sealplate pin roll, two ends of the sealplate pin roll are respectively provided with a tension spring, one end of each tension spring leans on the lower end face of the sealplate and the other end leans on the rectangular cavity of the testing tube body, the lower end of the lower end cover is provided with a thread, the side wall and the interior of the lower end cover are provided with an oil outlet channel and a one way valve. The utility model has the advantage that frequent steel wire operations as a result of the adoption of common testing tubes may be avoided. Additionally, the utility model may also satisfy production requirement, simplify operation procedures, decrease working volume by a large margin, further save operation expenditure and cut down the development cost of oil wells.
Description
Technical field
The utility model belongs to oil mining Technology Underground field, and particularly relating to a kind of Production Wells process that is used for needs to change electric submersible pump producing tubular column operation and oil well intelligent anti-polluting device simple in structure, convenient to operation, long service life.
Background technology
In the oil exploitation process, after the electric submersible pump of down-hole breaks down,, must change the down-hole electric submersible pump in order to resume production, whole downhole production tubing string is made up of the two large divisions: top is " Y " type electric submersible pump producing tubular column, and tubing string is adopted for the branch that each oil reservoir is separated in the bottom.After tripping out the top tubing string, whole oil reservoir is in communicating state, and the well liquid of the upper sleeve stratum of will bleeding certainly will cause the pollution of oil reservoir.The method that generally adopts is to adopt to adorn on the tubing string at branch to be located in joint at present; before playing top " Y " type electric submersible pump producing tubular column; steel wire operation is lowered to the blanking plug seat and is enclosed in and is located in the joint; passage with the leakage of plugged well liquid; can protect oil reservoir like this; but adopt steel wire operation then to have bigger operating risk, because " Y " the production blanking plug in the type joint and the blanking plug external diameter of reservoir plugging be very approaching, so have risk not in place under the blanking plug.
The utility model content
The utility model provides a kind of Production Wells process that is used for to need to change electric submersible pump producing tubular column operation and oil well intelligent anti-polluting device simple in structure, convenient to operation, long service life for solving the technical problem that exists in the known technology.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
Oil well intelligent anti-polluting device, it is characterized in that: comprise the environmental control system main body, connect the top connection that has through hole in environmental control system main body upper end, the lower end connects the lower contact that has through hole, described environmental control system body shape is cylindric, its inner chamber is a rectangular cavity, described top connection through hole and lower contact through hole all are coaxial with rectangular cavity, have a sealing ring mounting groove on the inwall of top connection middle part, in the sealing ring mounting groove, sealing ring is installed, top connection is embedded with sealing ring by on the inwall of lower end, have sealing plate bearing pin mounting groove in environmental control system main body rectangular cavity upper end, cooperate in this mounting groove the sealing plate bearing pin is housed, sealing plate one end is fastenedly connected the sealing plate bearing pin, at sealing plate bearing pin two ends torsion spring is installed, torsion spring one end props up the sealing plate lower surface, and the other end props up intelligent anti-polluting device main body rectangular cavity wall, and the lower contact lower end is provided with the screw thread that is connected with oil pipe, one sidewall of lower contact is provided with oil discharge passage, and one way valve is installed in the oil discharge passage.
The utility model can also adopt following technical measures:
Sealing ring mounting groove on the inwall of described top connection middle part is a rectangular channel, in this rectangular channel rectangular seal is installed.
Be embedded with lip-type packing on the inwall of described top connection lower end.
Described sealing plate upper surface is provided with the seal boss that is connected as a single entity with it.
Described torsion spring adopts high-performance and corrosion resistant spring steel material to make, and its torsion is chosen as between the 200-1000kgf.
Advantage and the good effect that the utlity model has are: oil well intelligent anti-polluting device of the present utility model is reasonable in design, and is simple in structure, has long application life.When oil well production, top electric submersible pump producing tubular column sealing short circuit is opened sealing plate by gravity, and the about half-twist of sealing plate is approximate parastate to rectangular cavity wall place with the rectangular cavity wall, has guaranteed the passage of test; After the down-hole electric submersible pump is out of order; when needing to change electric submersible pump; electric submersible pump producing tubular column sealing short circuit in top is proposed; after top electric submersible pump producing tubular column sealing short circuit proposes oil well intelligent anti-polluting device; sealing plate cuts out under the effect of torque spring automatically; prevent the leakage of well liquid, protected oil reservoir.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structure enlarged diagram of the utility model sealing plate;
Fig. 4 is the utility model ordinary production view;
Fig. 5 is the B-B sectional view of Fig. 4.
Among the figure: 1, top connection; 1-1, rectangular seal; 1-2, lip-type packing; 2, environmental control system main body; 2-1, sealing plate bearing pin mounting groove; 3, sealing plate; 3-1, sealing plate seal boss; 3-2, bearing pin; 3-3, torsion spring; 4, lower contact; 4-1, one way valve; 5, top electric submersible pump producing tubular column sealing short circuit; 6, production of hydrocarbons passage; 7, oil discharge passage; 8, test channel.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1-Fig. 3, oil well intelligent anti-polluting device, comprise environmental control system main body 2, have the top connection 1 of through hole by being threaded in environmental control system main body 2 upper ends, the lower contact 4 that environmental control system main body lower end is threaded and has through hole, the shaped design of described environmental control system main body 2 is have inner chamber cylindric, and its inner chamber processing is a rectangular cavity, and described top connection through hole and lower contact through hole are all coaxial with rectangular cavity.Have a sealing ring mounting groove on the inwall of top connection middle part, the sealing ring mounting groove is a rectangular channel, rectangular seal 1-1 is installed in the sealing ring mounting groove, top connection is embedded with lip-type packing 1-2 by on the inwall of lower end, the rectangular cavity upper end of environmental control system main body 2 has sealing plate bearing pin mounting groove 2-1, cooperate in the sealing plate bearing pin mounting groove sealing plate bearing pin 3-2 is housed, one end of sealing plate 3 is fastenedly connected sealing plate bearing pin 3-2, and described sealing plate upper surface is provided with the seal boss 3-1 that is connected as a single entity with it.Be separately installed with torsion spring 3-3 at sealing plate bearing pin two ends, one end of torsion spring props up sealing plate 3 lower surfaces, be that sealing plate be not subjected under the external force active state, under the effect of torsion spring, seal boss 3-1 on the sealing plate is contacted with the lip-type packing 1-2 of upper end cover and sealing test passage 8, and the torsion spring other end props up testing tube main body rectangular cavity wall.Lower contact 4 lower ends are production of hydrocarbons passage 6, and are provided with the screw thread that is connected with oil pipe, have oil discharge passage 7 on a sidewall of lower contact, and one way valve 4-1 is installed in the oil discharge passage 7.Described torque spring should have in long service life, the use characteristics such as the torsion loss is little and corrosion-resistant, reasonably torsion is selected and can be determined according to production test tubular column structure and weight, as in the present embodiment, torsion spring 3-3 can adopt high performance spring steel material to make, torsion reduces less than 5%, so the torsion of torsion spring is chosen as 1000kgf.
Operating principle of the present utility model is:
At oil well ordinary production state, see also Fig. 4 and Fig. 5, sealing plate 3 is opened by under the effect of top electric submersible pump producing tubular column gravity, and test channel is opened simultaneously, and down-hole crude oil comes to enter annular space by one way valve 4-1 from lower contact 4 bottoms.
At the nonproductive state of oil well, see also Fig. 1 and Fig. 2, after top electric submersible pump producing tubular column sealing short circuit 5 proposed environmental control systems, torsion spring 3 was closed test channel 8 automatically under the twisting force of itself, prevented the well liquid stratum of bleeding, polluted reservoir.Certainly the utility model is not limited thereto, and can be set to different-diameter according to the actual job situation as above-mentioned test channel 8 and production of hydrocarbons passage 6.
Above embodiment is only in order to explanation, and do not limit the technical solution of the utility model, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from any modification or partial replacement of the spirit and scope of technical solutions of the utility model, it all should be encompassed in claim of the present utility model and protect in the middle of the scope.
Claims (5)
1. oil well intelligent anti-polluting device, it is characterized in that: comprise the environmental control system main body, connect the top connection that has through hole in environmental control system main body upper end, the lower end connects the lower contact that has through hole, described environmental control system body shape is cylindric, its inner chamber is a rectangular cavity, described top connection through hole and lower contact through hole all are coaxial with rectangular cavity, have a sealing ring mounting groove on the inwall of top connection middle part, in the sealing ring mounting groove, sealing ring is installed, top connection is embedded with sealing ring by on the inwall of lower end, have sealing plate bearing pin mounting groove in environmental control system main body rectangular cavity upper end, cooperate in this mounting groove the sealing plate bearing pin is housed, sealing plate one end is fastenedly connected the sealing plate bearing pin, at sealing plate bearing pin two ends torsion spring is installed, torsion spring one end props up the sealing plate lower surface, and the other end props up intelligent anti-polluting device main body rectangular cavity wall, and the lower contact lower end is provided with the screw thread that is connected with oil pipe, one sidewall of lower contact is provided with oil discharge passage, and one way valve is installed in the oil discharge passage.
2. a kind of oil well intelligent anti-polluting device according to claim 1 is characterized in that: the sealing ring mounting groove on the inwall of described top connection middle part is a rectangular channel, in this rectangular channel rectangular seal is installed.
3. a kind of oil well intelligent anti-polluting device according to claim 1 is characterized in that: be embedded with lip-type packing on the inwall of described top connection lower end.
4. a kind of oil well intelligent anti-polluting device according to claim 1 is characterized in that: described sealing plate upper surface is provided with the seal boss that is connected as a single entity with it.
5. a kind of oil well intelligent anti-polluting device according to claim 1 is characterized in that: torque spring adopts high-performance and corrosion resistant spring steel material to make, and its torsion is chosen as between the 200-1000kgf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620151852 CN200985773Y (en) | 2006-12-19 | 2006-12-19 | Oil well intelligent anti-pollution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620151852 CN200985773Y (en) | 2006-12-19 | 2006-12-19 | Oil well intelligent anti-pollution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200985773Y true CN200985773Y (en) | 2007-12-05 |
Family
ID=38915231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620151852 Expired - Lifetime CN200985773Y (en) | 2006-12-19 | 2006-12-19 | Oil well intelligent anti-pollution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200985773Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265793B (en) * | 2008-04-24 | 2011-12-28 | 中国海洋石油总公司 | Y tube self-balance type down-hole switch |
| CN112281979A (en) * | 2020-10-20 | 2021-01-29 | 杭州墙镪科技有限公司 | Energy-saving life kitchen waste water classification recovery device |
-
2006
- 2006-12-19 CN CN 200620151852 patent/CN200985773Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265793B (en) * | 2008-04-24 | 2011-12-28 | 中国海洋石油总公司 | Y tube self-balance type down-hole switch |
| CN112281979A (en) * | 2020-10-20 | 2021-01-29 | 杭州墙镪科技有限公司 | Energy-saving life kitchen waste water classification recovery device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090722 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |