CN205330604U - Full metal seal packer of ground liquid accuse gasbag formula - Google Patents
Full metal seal packer of ground liquid accuse gasbag formula Download PDFInfo
- Publication number
- CN205330604U CN205330604U CN201620087320.XU CN201620087320U CN205330604U CN 205330604 U CN205330604 U CN 205330604U CN 201620087320 U CN201620087320 U CN 201620087320U CN 205330604 U CN205330604 U CN 205330604U
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- China
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- pipe line
- liquid controling
- controling pipe
- air bag
- gasbag
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Abstract
The utility model provides a full metal seal packer of ground liquid accuse gasbag formula, seal the gasbag including center tube and the seat of cover on the center tube, it is a hooped column shape chamber to sit a gasbag inside to sit sealing the gasbag and offering axial all the intercommunication to the flow channel in hooped column shape chamber at self diaxon terminal surface, the outer port of flow channel sets up the wire terminal of liquid keyholed back plate. Sit and seal the integrative printing processing of gasbag adoption 3D, sit a gasbag itself and adopt extension elasticity ability 316 good stainless steel metal materials, sit a gasbag inside and outside wall simultaneously and plating the good metal material layer of sealed attached nature. Top connection and lower clutch are connected respectively to the lower extreme on the center tube, the liquid keyholed back plate line passageway that communicates to flow channel is all seted up to top connection and lower clutch. The utility model discloses a full metal seal's of liquid accuse formula mode realization oil reservoir seals and separates, and long -term effective slicing mining provides safeguard for high temperature voltol oil well.
Description
Technical field
This utility model relates to oil-water well completion construction downhole tool, especially a kind of ground hydraulic-control gasbag-type all-metal sealing packer。
Background technology
Packer is the oil field requisite downhole tool of separate production and injection well-completing process, and the packer being widely used at present adopts the Machine Design that between metalwork, rubber rubber sealing and the packing element playing packing effect combine。And this type of packer is when underground working works, restriction by environmental factorss such as well liquid, temperature, pressure, stress and sleeve pipe quality, the aging fracture of O-ring seal and packing element wear-out failure easily occur, ultimately results in packer integral sealing and lost efficacy, thus losing the effect of oil reservoir separate zone production。Thus, the packer that need to adopt all-metal sealing designs, it is to avoid the risk that conventional packer rubber parts easily lost efficacy at subsurface environment。
Utility model content
The purpose of this utility model is to provide a kind of ground hydraulic-control gasbag-type all-metal sealing packer, adopts the mode of hydraulically-controlled type all-metal sealing to realize oil reservoir packing, provides safeguard for the permanently effective separate zone production of High Temperature High Pressure oil-water well。
The purpose of this utility model can be achieved by the following technical measures:
This ground hydraulic-control gasbag-type all-metal sealing packer includes central canal and is enclosed within and sets air bag on central canal, the described inside air bag that sets is a Ring-cylindrical chamber, and setting air bag and offer the axial fluid course being all communicated to Ring-cylindrical chamber in self two axial ends face, fluid course external port arranges liquid controling pipe line joint。
The purpose of this utility model realizes also by following technical measures:
The described air bag that sets adopts 3D integrally to print processing, sets air bag itself and adopts the 316 stainless steel metal materials that extension telescopicing performance is good, sets air bag inside and outside wall simultaneously and plates the metal material layer that sealing attaching property is good。
Described central canal upper and lower side connects top connection and lower contact respectively, the liquid controling pipe line passage being communicated to fluid course is all offered in described top connection and lower contact, liquid controling pipe line stretches into liquid controling pipe line passage and is then connected with liquid controling pipe line joint bite type, and described liquid controling pipe line is connected to double; two male joint in liquid controling pipe line passage external card shell type。
Described top connection lower end is threaded connection adjustment ring, described in set air bag upper end withstand on adjustment ring on, lower end withstands in lower contact；Described adjustment ring sets the upper and lower elasticity of air bag by regulating length of thread engagement (LE) adjustment；There is certain interval in described adjustment ring lower end and liquid controling pipe line joint, it is simple to regulates ring and regulate when rotating not by the stop of liquid controling pipe line and liquid controling pipe line joint。
Described top connection lower end is provided with annular space, it is simple to the placement of liquid controling pipe line joint and liquid controling pipe line, pass through, and simultaneously facilitates and regulates ring and regulate when rotating by the stop of liquid controling pipe line and liquid controling pipe line joint；There is gap with setting when air bag assembles in described top connection bottom, it is simple to the assembling of each parts of instrument, simultaneously facilitates adjustment ring adjustment and sets the upper and lower elasticity of air bag。
Described top connection upper end threadedly connection coupling, top connection upper external screw thread is tubing thread screw thread, and in lower end, outside screw is trapezoidal thread, smears appropriate anaerobic adhesive before threadeding with central canal simultaneously；Described lower contact lower end external screw thread is tubing thread screw thread, and threaded upper ends is trapezoidal thread, smears appropriate anaerobic adhesive before threadeding with central canal simultaneously。
This utility model has the advantages that
This utility model adopts the mode of hydraulically-controlled type all-metal sealing to realize oil reservoir packing, set the good stainless steel metal material body of air bag entirety employing extension telescopicing performance and inside and outside wall plates pyrite or silver etc. and seals the metal material modular design that attaching property is good, the each metal assembly of instrument is not easily impaired, there is higher reliability and the suitability, disclosure satisfy that the permanently effective layering packing requirement of the complex hole condition such as High Temperature High Pressure, it is to avoid the risk that rubber parts easily lost efficacy in subsurface environment；Meanwhile, adopt ground hydraulic to control to suppress the mode set and realize packer setting, the duty of geostatic pressure display monitor in real time downhole packer can be passed through, and make well head pressure regulating measures at any time；Packers at different levels can pass through liquid controling pipe line series connection and use, it may be achieved the fine separate zone production of different number of plies oil reservoirs；Additionally, the 3D one printing technique quoting advanced person completes to set being integrally machined of air bag, promote that new technique is in the popularization and application of petroleum industry。
Accompanying drawing explanation
Fig. 1 is the structural representation of ground hydraulic-control gasbag-type all-metal sealing packer of the present utility model；
Fig. 2 is packer setting airbag structure schematic diagram。
In Fig. 1: box cupling 1, top connection 2, regulate ring 3, set air bag 4, central canal 5, lower contact 6,1/4 " NPT joint 7,1/4 " liquid controling pipe line 8, double; two male joint 9。
Detailed description of the invention
Relevant detailed description of the present utility model and technology contents, coordinate accompanying drawing to illustrate as follows, but accompanying drawing only provides reference and purposes of discussion, is not used for this utility model is any limitation as。
According to Fig. 1-2, ground hydraulic-control gasbag-type all-metal sealing packer, described box cupling 1 is connected with top connection 2 threaded upper ends, threaded with central canal 5 in described top connection 2 lower end, described adjustment ring 3 is connected with top connection 2 lower end external screw thread, the described air bag 4 that sets is enclosed within central canal 5, set air bag 4 upper end simultaneously and withstand on adjustment ring 3, lower end withstands in lower contact 6, described lower contact 6 is threadeded with central canal 5, described 1/4 " NPT joint 7 is arranged on and sets air bag 4 top and bottom, and be threaded, described 1/4 " liquid controling pipe line 8 and 1/4 " NPT joint 7 and double, two male joint 9 be cutting ferrule and be connected。Described top connection 2 upper external screw thread is tubing thread screw thread, and in lower end, outside screw is trapezoidal thread, smears appropriate anaerobic adhesive before threadeding with central canal 5 simultaneously。Set 1/4 in described top connection 2 " liquid controling pipe line 8 passage; simultaneously lower end is provided with the annular space of certain size; be easy to 1/4 " NPT joint 7 and 1/4 " liquid controling pipe line 8 placement, pass through, simultaneously facilitate and regulate ring 3 and regulate when rotating not by 1/4 " liquid controling pipe line 8 and 1/4 " stop of NPT joint 7。There is 5mm gap with setting when air bag 4 assembles in described top connection 2 bottom, it is simple to the assembling of each parts of instrument, simultaneously facilitates adjustment ring 3 adjustment and sets air bag about 4 elasticity。Described adjustment ring 3 is threadeded with top connection 2, sets air bag about 4 elasticity by regulating length of thread engagement (LE) adjustment。Described adjustment ring 3 lower end and 1/4 " there is 2.5mm gap in NPT joint 7, it is simple to regulate ring 3 and regulate when rotating not by 1/4 " liquid controling pipe line 8 and 1/4 " stop of NPT joint 7。
As shown in Figure 2, the described air bag 4 that sets is for central column empty pocket, 3D is adopted integrally to print processing, 1/4 is set in its upper and lower side is each " NPT joint 7 and oil flow channel; its body A is the 316 stainless steel metal materials adopting extension telescopicing performance good, and internal and external walls is plated pyrite or silver etc. and sealed and attach the metal material B that property is good simultaneously。1/4 is set in described lower contact 6 " liquid controling pipe line 8 and 1/4 " NPT joint 7 passage, lower end external screw thread is tubing thread screw thread, and threaded upper ends is trapezoidal thread, smears appropriate anaerobic adhesive before threadeding with central canal 5 simultaneously。Described 1/4 " liquid controling pipe line 8 is laid in top connection 2, lower contact 6 in the passage set, and with 1/4 " NPT joint 7 cutting ferrule is connected, and the length exposing top connection 2 and lower contact 6 is 0.3m, in order to double; two with other section of liquid controling pipe line public 9 are connected。
Specifically used method of the present utility model: as shown in Figure 1 and Figure 2。
During operation field construction, first the design of operation technique completion tubular column is pressed, by downhole tool successively G.I.H, this packer lower contact 6 place 1/4 of most subordinate " liquid controling pipe line 8 installs 1/4 " blind plugging closing oil path, the 1/4 of other packer top connection 2 places at different levels and lower contact 6 place " liquid controling pipe line 8 bear is all with the 1/4 of design length " liquid controling pipe line is with 1/4 " double; two public 9 be connected。Then downhole tool oil pipe being lowered into projected depth, with protector by 1/4 " liquid controling pipe line is fixed on every oil pipe。After installing wellhead tree tree, the liquid controling pipe line that will be travelling through out installs Pressure gauge and needle-valve, after hydraulic oil pressuring pump is connected with needle-valve, well head suppresses to design pressure closedown needle-valve, the air bag 4 body A that sets of this packer is subject to outside oil pressure to squeeze power effect, body A expansion is extruded onto sealing metal B correspondence length section and all leans against on internal surface of sleeve pipe, the attaching sealing metal B simultaneously setting air bag 4 outer wall is close to internal surface of sleeve pipe, the attaching sealing metal B of inwall is close to central canal 5 outer wall, play the effect of packing oil jacket annular space, what namely complete this packer sets operation, realize the purpose of oil reservoir separate zone production。When opening needle-valve, lay down well head oil pressure in liquid controling pipe line, set air bag 4 body A and shrink back previous status, namely complete this removing seal for packer operation。
The foregoing is only preferred embodiment of the present utility model, be not used to limit the scope of the claims of the present utility model, other use the equivalence change of patent spirit of the present utility model, all should all belong to the scope of the claims of the present utility model。
Claims (6)
1. a ground hydraulic-control gasbag-type all-metal sealing packer, it is characterized in that, including central canal and be enclosed within central canal sets air bag, the described inside air bag that sets is a Ring-cylindrical chamber, and setting air bag and offer the axial fluid course being all communicated to Ring-cylindrical chamber in self two axial ends face, fluid course external port arranges liquid controling pipe line joint。
2. a kind of ground hydraulic-control gasbag-type all-metal sealing packer according to claim 1, it is characterized in that, the described air bag that sets adopts 3D integrally to print processing, set air bag itself and adopt the 316 stainless steel metal materials that extension telescopicing performance is good, set air bag inside and outside wall simultaneously and plate the metal material layer that sealing attaching property is good。
3. a kind of ground hydraulic-control gasbag-type all-metal sealing packer according to claim 1, it is characterized in that, described central canal upper and lower side connects top connection and lower contact respectively, the liquid controling pipe line passage being communicated to fluid course is all offered in described top connection and lower contact, liquid controling pipe line stretches into liquid controling pipe line passage and is then connected with liquid controling pipe line joint bite type, and described liquid controling pipe line is connected to double; two male joint in liquid controling pipe line passage external card shell type。
4. a kind of ground hydraulic-control gasbag-type all-metal sealing packer according to claim 3, it is characterised in that described top connection lower end is threaded connection adjustment ring, described in set air bag upper end and withstand on adjustment ring, lower end withstands in lower contact；Described adjustment ring sets the upper and lower elasticity of air bag by regulating length of thread engagement (LE) adjustment；There is certain interval in described adjustment ring lower end and liquid controling pipe line joint, it is simple to regulates ring and regulate when rotating not by the stop of liquid controling pipe line and liquid controling pipe line joint。
5. a kind of ground hydraulic-control gasbag-type all-metal sealing packer according to claim 4, it is characterized in that, described top connection lower end is provided with annular space, it is easy to the placement of liquid controling pipe line joint and liquid controling pipe line, passes through, simultaneously facilitate and regulate the stop not being subject to liquid controling pipe line and liquid controling pipe line joint when ring regulates rotation；There is gap with setting when air bag assembles in described top connection bottom, it is simple to the assembling of each parts of instrument, simultaneously facilitates adjustment ring adjustment and sets the upper and lower elasticity of air bag。
6. a kind of ground hydraulic-control gasbag-type all-metal sealing packer according to claim 3, it is characterized in that, described top connection upper end threadedly connection coupling, top connection upper external screw thread is tubing thread screw thread, in lower end, outside screw is trapezoidal thread, smears appropriate anaerobic adhesive before threadeding with central canal simultaneously；Described lower contact lower end external screw thread is tubing thread screw thread, and threaded upper ends is trapezoidal thread, smears appropriate anaerobic adhesive before threadeding with central canal simultaneously。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087320.XU CN205330604U (en) | 2016-01-28 | 2016-01-28 | Full metal seal packer of ground liquid accuse gasbag formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087320.XU CN205330604U (en) | 2016-01-28 | 2016-01-28 | Full metal seal packer of ground liquid accuse gasbag formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205330604U true CN205330604U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620087320.XU Expired - Fee Related CN205330604U (en) | 2016-01-28 | 2016-01-28 | Full metal seal packer of ground liquid accuse gasbag formula |
Country Status (1)
| Country | Link |
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| CN (1) | CN205330604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023273A (en) * | 2016-01-28 | 2017-08-08 | 中国石油化工股份有限公司 | Ground hydraulic-control gasbag-type all-metal sealing packer |
-
2016
- 2016-01-28 CN CN201620087320.XU patent/CN205330604U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023273A (en) * | 2016-01-28 | 2017-08-08 | 中国石油化工股份有限公司 | Ground hydraulic-control gasbag-type all-metal sealing packer |
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| 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: 20160622 Termination date: 20200128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |