CN203175473U - Pump passing type water-plugging packer - Google Patents
Pump passing type water-plugging packer Download PDFInfo
- Publication number
- CN203175473U CN203175473U CN 201320140183 CN201320140183U CN203175473U CN 203175473 U CN203175473 U CN 203175473U CN 201320140183 CN201320140183 CN 201320140183 CN 201320140183 U CN201320140183 U CN 201320140183U CN 203175473 U CN203175473 U CN 203175473U
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- CN
- China
- Prior art keywords
- joint sleeve
- pipe
- connecting sleeve
- top connection
- packer
- 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
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Abstract
The utility model discloses a pump passing type water-plugging packer which comprises an upper connector and a central pipe, wherein the upper connector and the central pipe are vertically connected with each other. An outer pipe is arranged outside the central pipe. The upper end of the outer pipe is connected with an upper connecting sleeve, and the lower end of the outer pipe is connected with a lower connecting sleeve. The upper connecting sleeve is also connected to the upper connector. Annular spaces are formed between the outer pipe and the central pipe, between the upper connecting sleeve and the central pipe, and between the lower connecting sleeve and the central pipe. The wall of the upper connector is provided with liquid passing holes communicated with the annular spaces. A rubber sleeve is mounted on the outer side of the upper connecting sleeve in a sleeved mode. Another rubber sleeve is mounted on the outer side of the lower connecting sleeve in a sleeved mode. The rubber sleeves expand when making contact with oil. The pump passing type water-plugging packer can effectively plug a leaking point of a casing pipe which is damaged due to corrosion, prevent an oil well from containing water due to the fact that the water in the casing pipe rises high, and can form an annular passageway in a plugged well section. Through the passageway, viscosity reduction and paraffin removal through addition of chemical agents to the annular space of the casing pipe, operation of inverse well flushing, testing of a working fluid level of the oil well and other follow-up production processes can be realized, the ultra thick oil well casing damage treatment problem that daily thermal washing, the addition of the chemical agents and other management measures are needed for maintaining normal production in a production process is solved, and the oilfield development effect is improved.
Description
Technical field
The utility model relates to the packer that oil exploitation is used, specifically a kind of pump formula card Packer for blocking water of crossing.
Background technology
Present field produces well water mud returns high above sleeve pipe and causes the water breakthrough high-water-cut oil-producing well more and more because corroding breakage, adopt that more casing replacing job execution difficulty is big, it is higher that engineering accident and cost take place easily, and adopt conventional packer to carry out pump water pack off flow string, its shortcoming is that the above tubing string oil jacket of conventional packer annular space is isolated fully by packer after the shutoff, can't carry out casing annulus and add chemical agent viscosity reduction wax removal, the operation anti-flushing well, subsequent production technologies such as test well fluid level, can't solve needs to carry out daily heat and washes in the manufacturing process, adding control measures such as chemical agent keeps the super heavy oil wells cover of ordinary production and decreases and administer a difficult problem, have a strong impact on such cover damage oil well and return to normal production, bring sizable difficulty for the daily management of oil well.
In view of this, at the problems referred to above, propose a kind of reasonable in design and effectively improve the pump formula of the crossing card Packer for blocking water of above-mentioned disappearance.
Summary of the invention
The purpose of this utility model is to provide a kind of pump formula card Packer for blocking water of crossing, it effectively shutoff because corroding damaged sleeve pipe leak source, prevent that oil well is moisture because of sleeve pipe water breakthrough height, and can form the circular passage in the plugged well section, can realize that by this passage casing annulus adds subsequent production technologies such as chemical agent viscosity reduction wax removal, operation anti-flushing well, test well fluid level, reaching to solve needs to carry out daily heat and washes, adds control measures such as chemical agent and keep the super heavy oil wells cover of ordinary production and decrease and administer a difficult problem in the manufacturing process, improve the effect of oil field development.
In order to reach above-mentioned purpose, the utility model provides following technical scheme, a kind of pump formula card Packer for blocking water of crossing, comprise interconnective top connection and central tube up and down, described central tube outer setting has outer tube, and described outer tube self upper and lower side is connected with upper joint sleeve and lower joint sleeve respectively, and wherein upper joint sleeve also is connected in the top connection, form annular space between described outer tube and last lower joint sleeve and the central tube, offer the liquid pass hole that is communicated with annular space on the described top connection wall.
Described upper joint sleeve and the lower joint sleeve outside all are set with packing element, and this packing element is for meeting oily expansion packing element.
The outside, described lower joint sleeve lower end also is set with pressure cap by screw thread.
Offer pin hole on described top connection and the pressure cap respectively, the fixing pin that is used for fixing upper joint sleeve and lower joint sleeve respectively is installed in pin hole.
Described top connection is connected by engage thread with central tube, and described top connection also adopts engage thread to be connected with upper joint sleeve.
The upper joint sleeve that described outer tube is connected with upper and lower side all is connected by engage thread with lower joint sleeve.
Compared to prior art, the beneficial effects of the utility model are:
1, packing element adopts and meets oily expansion packing element, reduces conventional packer and suppresses seat envelope operation, improves efficiency of construction;
2, packer self tool circular passage can realize that by this passage casing annulus adds subsequent production technologies such as chemical agent viscosity reduction wax removal, operation anti-flushing well, test well fluid level, improves managemet of the developmet of oilfeild level.
Description of drawings
Fig. 1 is a kind of structural representation of crossing pump formula card Packer for blocking water of the utility model.
Among the figure: top connection 1, packing element 2, upper joint sleeve 3, central tube 4, outer tube 5, lower joint sleeve 6, pressure cap 7.
The specific embodiment
Relevant detailed description of the present utility model and technology contents, conjunction with figs. is described as follows, however accompanying drawing only provides the usefulness of reference with explanation, and the utility model is limited.
According to shown in Figure 1, a kind of pump formula card Packer for blocking water of crossing, comprise interconnective top connection 1 and central tube 4 up and down, described central tube outer setting has outer tube 5, described outer tube self upper and lower side is connected with upper joint sleeve 3 and lower joint sleeve 6 respectively, wherein upper joint sleeve also is connected in the top connection, forms annular space between described outer tube and last lower joint sleeve and the central tube, offers the liquid pass hole that is communicated with annular space on the described top connection wall.Described upper joint sleeve and the lower joint sleeve outside all are set with packing element 2, and this packing element is for meeting oily expansion packing element.The outside, described lower joint sleeve lower end also is set with pressure cap 7 by screw thread.Offer pin hole on described top connection and the pressure cap respectively, the fixing pin that is used for fixing upper joint sleeve and lower joint sleeve respectively is installed in pin hole.Described top connection is connected by engage thread with central tube, and described top connection also adopts engage thread to be connected with upper joint sleeve.The upper joint sleeve that described outer tube is connected with upper and lower side all is connected by engage thread with lower joint sleeve.
During use this cross pump formula card Packer for blocking water with under the completion tubular column to because corroding damaged sleeve pipe leak source place, packing element 2 is met oil and is expanded and realize the shutoff of sleeve pipe leak source after the oil well production.Packer self tool circular passage can realize that by this passage casing annulus adds subsequent production technologies such as chemical agent viscosity reduction wax removal, operation anti-flushing well, test well fluid level, realizes super heavy oil wells cover is decreased improvement, improves the effect purpose of oil field development.
The above only is preferred embodiment of the present utility model, and non-in order to limit claim of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to claim of the present utility model.
Claims (6)
1. cross pump formula card Packer for blocking water for one kind, it is characterized in that, comprise interconnective top connection and central tube up and down, described central tube outer setting has outer tube, described outer tube self upper and lower side is connected with upper joint sleeve and lower joint sleeve respectively, wherein upper joint sleeve also is connected in the top connection, forms annular space between described outer tube and last lower joint sleeve and the central tube, offers the liquid pass hole that is communicated with annular space on the described top connection wall.
2. a kind of pump formula card Packer for blocking water of crossing according to claim 1 is characterized in that described upper joint sleeve and the lower joint sleeve outside all are set with packing element, and this packing element is for meeting oily expansion packing element.
3. a kind of pump formula card Packer for blocking water of crossing according to claim 1 is characterized in that the outside, described lower joint sleeve lower end also is set with pressure cap by screw thread.
4. a kind of pump formula card Packer for blocking water of crossing according to claim 1 is characterized in that, offers pin hole on described top connection and the pressure cap respectively, and the fixing pin that is used for fixing upper joint sleeve and lower joint sleeve respectively is installed in pin hole.
5. a kind of pump formula card Packer for blocking water of crossing according to claim 1 is characterized in that described top connection is connected by engage thread with central tube, and described top connection also adopts engage thread to be connected with upper joint sleeve.
6. a kind of pump formula card Packer for blocking water of crossing according to claim 1 is characterized in that the upper joint sleeve that described outer tube is connected with upper and lower side all is connected by engage thread with lower joint sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140183 CN203175473U (en) | 2013-03-26 | 2013-03-26 | Pump passing type water-plugging packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140183 CN203175473U (en) | 2013-03-26 | 2013-03-26 | Pump passing type water-plugging packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175473U true CN203175473U (en) | 2013-09-04 |
Family
ID=49072188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320140183 Expired - Fee Related CN203175473U (en) | 2013-03-26 | 2013-03-26 | Pump passing type water-plugging packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014328A (en) * | 2016-07-19 | 2016-10-12 | 大庆市华禹石油机械制造有限公司 | Self-expanding plugging device |
-
2013
- 2013-03-26 CN CN 201320140183 patent/CN203175473U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014328A (en) * | 2016-07-19 | 2016-10-12 | 大庆市华禹石油机械制造有限公司 | Self-expanding plugging device |
| CN106014328B (en) * | 2016-07-19 | 2018-10-09 | 徐海英 | From swollen plugging 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: 20130904 Termination date: 20160326 |