CN204113198U - Temperature control hot washing anti-pollution packer - Google Patents
Temperature control hot washing anti-pollution packer Download PDFInfo
- Publication number
- CN204113198U CN204113198U CN201420392206.9U CN201420392206U CN204113198U CN 204113198 U CN204113198 U CN 204113198U CN 201420392206 U CN201420392206 U CN 201420392206U CN 204113198 U CN204113198 U CN 204113198U
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- CN
- China
- Prior art keywords
- leather cup
- packer
- pollution
- central tube
- temperature control
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- 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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- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Abstract
The utility model discloses an anti-pollution packer is washed to control by temperature change heat belongs to the oil field oil recovery field. The temperature control hot washing anti-pollution packer comprises a central tube, a temperature control chamber shell, a temperature control chamber piston, a thermosensitive substance, a thrust transfer tube, a spring support locking nut, a protective bowl, a rubber tube limiting nut, a rubber tube limiting locking nut, a leather cup central tube, a leather cup limiting sleeve, a leather cup and a leather cup fixing ring. The utility model discloses when the heat-sensitive material has not reached melting temperature, the leather cup expands after absorbing water and seals the oil-separating sleeve annular space, and it is down to restrain backwash hot water or hot solution, makes hot water or hot solution pressure rise to open the backwash well valve, water or solution get into oil pipe and circulate to ground, so use the utility model discloses do not deposit the problem that the oil well that the stratum injury leads to subtracts production or stops production.
Description
Technical field
The utility model relates to field of oil field oil extraction, and particularly a kind of temperature control heat washes anti-pollution packer.
Background technology
Part producing well there will be oil pipe and sucker rod wax deposition phenomenon in manufacturing process, removes wax deposition by temp. control flushing packer by hot-washing wax remover technique, particular by the mode of hot water or hot solution anti-flushing well, wax is dissolved and flows out well head with hot water or hot solution.
Disclosed temp. control flushing packer comprises temperature controlled compartment, heat-sensitive materials, piston, packing element at present.
Realizing in process of the present utility model, inventor finds, domestic existing packer for C and WK exists following problem:
When hot water or hot solution anti-flushing well, heat-sensitive materials expanded by heating promotes piston press packing element shutoff oil jacket annular space, due to hot water or the indoor heat-sensitive materials of hot solution heating temperature control, make heat-sensitive materials longer by time when solid state into liquid state or liquid gas mixed state, during this period of time large water gaging or solution enter stratum, cause stratum contaminated; Stratum can be killed after large water gaging or solution enter stratum, cause oil well reduce or stop production.
Utility model content
In order to the large water gaging or solution that solve the existence of existing packer enter stratum, and cause the contaminated problem problem in stratum, the utility model provides a kind of temperature control heat and washes anti-pollution packer.Described technical scheme is as follows:
A kind of temperature control heat washes anti-pollution packer, and described temperature control heat is washed anti-pollution packer and comprised central tube, temperature controlled compartment shell, temperature controlled compartment piston, heat-sensitive materials, thrust transmits cylinder, spring, spring-loaded locknut, protection bowl, packing element, packing element stop nut, the spacing locknut of packing element, leather cup central tube, leather cup stop collar, leather cup and leather cup retainer ring, described central tube outside is connected to described temperature controlled compartment shell, arranges described temperature controlled compartment piston, described central tube below described temperature controlled compartment shell, form enclosed cavity between described temperature controlled compartment shell and described temperature controlled compartment piston, described enclosed cavity, built with described heat-sensitive materials, arranges thrust in turn and transmits cylinder below described temperature controlled compartment piston, protection bowl and packing element, described spring and described spring-loaded locknut are set between described thrust transmission cylinder and described central tube, described packing element stop nut and the spacing locknut of described packing element are set below described packing element, described packing element stop nut and the interlocking of described packing element limiting lock parent phase are tightly, described leather cup central tube is connected to, leather cup described in described leather cup central tube outer setting below described central tube, described leather cup retainer ring and described leather cup stop collar spacing, described leather cup is fixed by described leather cup retainer ring, described leather cup by described leather cup stop collar spacing.
Alternatively, described central tube and described temperature controlled compartment shell are threaded connection, and described central tube and described leather cup central tube are threaded connection.
Further, sealing device is provided with between described central tube and described temperature controlled compartment shell.
Alternatively, described sealing device is O shape rubber seal.
Further, sealing device is provided with between described central tube and described temperature controlled compartment piston.
Alternatively, described sealing device is O shape rubber seal.
Further, sealing device is provided with between described temperature controlled compartment piston and described temperature controlled compartment shell.
Alternatively, described sealing device is O shape rubber seal.
Further, described temperature control heat is washed anti-pollution packer and is also comprised heat-conducting plate, and described heat-conducting plate is placed in described heat-sensitive materials.
Alternatively, described heat-conducting plate is with multiple wing plate.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The utility model is not when heat-sensitive materials reaches fusion temperature and causes packer not set, swell after being absorbed water by leather cup, packing oil jacket annular space, and stop backwash hot water or hot solution descending, hot water or hot solution pressure are raised, thus open inverse well-flushing valve, enter oil pipe, make water or solution circulation to ground, so use the utility model to there is not pollution, or the problem of the oil well reduce or stop production killing stratum and cause.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the hot structure chart washing anti-pollution packer of temperature control that the utility model embodiment provides.
In figure, a symbol represents that implication is as follows:
1 central tube, 2 temperature controlled compartment shells, 3 the one O shape rubber seal, 4 heat-conducting plates, 5 the 2nd O shape rubber seal, 6 the 3rd O shape rubber seal, 7 temperature controlled compartment pistons, 8 thrusts transmit cylinder, 9 springs, 10 spring-loaded locknuts, 11 protection bowl, 12 packing elements, 13 packing element stop nuts, the spacing locknut of 14 packing element, 15 leather cup central tubes, 16 leather cup stop collars, 17 leather cups, 18 leather cup retainer rings.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As shown in Figure 1, a kind of temperature control heat that the utility model embodiment provides washes anti-pollution packer, and described temperature control heat is washed anti-pollution packer and comprised central tube 1, temperature controlled compartment shell 2, temperature controlled compartment piston 7, heat-sensitive materials (not marking in figure), thrust transmits cylinder 8, spring 9, spring-loaded locknut 10, protection bowl 11, packing element 12, packing element stop nut 13, the spacing locknut 14 of packing element, leather cup central tube 15, leather cup stop collar 16, leather cup 17 and leather cup retainer ring 18, described central tube 1 outside is connected to described temperature controlled compartment shell 2, arranges described temperature controlled compartment piston 7 below described temperature controlled compartment shell 2, described central tube 1, form enclosed cavity between described temperature controlled compartment shell 2 and described temperature controlled compartment piston 7, described enclosed cavity, built with described heat-sensitive materials, arranges thrust in turn and transmits cylinder 8 below described temperature controlled compartment piston 7, protection bowl 11 and packing element 12, described spring 9 and described spring-loaded locknut 10 are set between described thrust transmission cylinder 8 and described central tube 1, described packing element stop nut 13 and the spacing locknut 14 of described packing element are set below described packing element 12, described packing element stop nut 13 and the spacing locknut 14 of described packing element are locked mutually, described leather cup central tube 15 is connected to, leather cup 17 described in described leather cup central tube 15 outer setting below described central tube 1, described leather cup retainer ring 18 and described leather cup stop collar 16 spacing, described leather cup 17 is fixed by described leather cup retainer ring 18, and described leather cup 17 is spacing by described leather cup stop collar 16.
During use, inverse well-flushing valve is connected to above the utility model, during hot-washing wax remover operation, after water met by leather cup 17, external diameter increases, shutoff oil jacket annular space, hot water or hot solution are subject to the obstruction of leather cup 17, leather cup 17 stop backwash hot water or hot solution descending, hot water or hot solution pressure are raised, thus open inverse well-flushing valve, make backwash hot water or hot solution flow into oil pipe from oil jacket annular space, get back to wellhead ground through oil pipe column, so use the utility model to there is not pollution, or problem of the oil well reduce or stop production killing stratum and cause.
Wash anti-pollution packer to described temperature control heat in hot water or hot solution cyclic process to heat, fusing is started when heat-sensitive materials temperature reaches fusing point, its volume expansion, downward promotion temperature controlled compartment piston 7 and thrust transmit cylinder 8, compression packing element 12 makes packer setting, after temperature control heat washes anti-pollution packer setting, huge discharge can be added and carry out hot-washing wax remover construction.When heat is washed after construction terminates, temperature control heat is washed anti-pollution packer temperature and is progressively reduced, when heat-sensitive materials temperature is reduced to below fusing point, heat-sensitive materials solidifies, volume-diminished, under the effect of spring 9, temperature controlled compartment piston 7 resets, packing element 12 resilience band dynamicthrust transmit cylinder 8 reset, described temperature control heat wash anti-pollution packer return to heat wash construction before state.
Alternatively, described central tube 1 is threaded connection with described temperature controlled compartment shell 2, and described central tube 1 is threaded connection with described leather cup central tube 15.
Further, sealing device is provided with between described central tube 1 and described temperature controlled compartment shell 2.
Alternatively, described sealing device is O shape rubber seal, i.e. an O shape rubber seal 3.
Further, sealing device is provided with between described central tube 1 and described temperature controlled compartment piston 7.
Alternatively, described sealing device is O shape rubber seal, i.e. the 2nd O shape rubber seal 5.
Further, sealing device is provided with between described temperature controlled compartment piston 7 and described temperature controlled compartment shell 2.
Alternatively, described sealing device is O shape rubber seal, i.e. the 3rd O shape rubber seal 6.
Further, described temperature control heat is washed anti-pollution packer and is also comprised heat-conducting plate 4, and described heat-conducting plate 4 is placed in described heat-sensitive materials.
When hot water or hot solution arrive central tube 1 or temperature controlled compartment shell 2, to heat-sensitive materials, the packer setting time can be shortened by transferring heat rapidly by heat-conducting plate 4, avoid leather cup 17 to cause seal failure because of pressure-bearing overlong time, pollute the problem on stratum.
Alternatively, described heat-conducting plate 4 is with multiple wing plate.More specifically, in the present embodiment, heat-conducting plate 4 is by the good metal material manufacture of thermal conductivity, and with multiple wing plate, be evenly distributed in heat-sensitive materials, by said structure, make the heat that central tube 1 and temperature controlled compartment shell 2 obtain can be transmitted to heat-sensitive materials in the short period of time, can reach quickly and set required fusion temperature, thus significantly shortening temperature control heat washes the anti-pollution packer setting time.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. temperature control heat washes an anti-pollution packer, it is characterized in that, described temperature control heat is washed anti-pollution packer and comprised central tube, temperature controlled compartment shell, temperature controlled compartment piston, heat-sensitive materials, thrust transmits cylinder, spring, spring-loaded locknut, protection bowl, packing element, packing element stop nut, the spacing locknut of packing element, leather cup central tube, leather cup stop collar, leather cup and leather cup retainer ring, described central tube outside is connected to described temperature controlled compartment shell, arranges described temperature controlled compartment piston, described central tube below described temperature controlled compartment shell, form enclosed cavity between described temperature controlled compartment shell and described temperature controlled compartment piston, described enclosed cavity, built with described heat-sensitive materials, arranges thrust in turn and transmits cylinder below described temperature controlled compartment piston, protection bowl and packing element, described spring and described spring-loaded locknut are set between described thrust transmission cylinder and described central tube, described packing element stop nut and the spacing locknut of described packing element are set below described packing element, described packing element stop nut and the interlocking of described packing element limiting lock parent phase are tightly, described leather cup central tube is connected to, leather cup described in described leather cup central tube outer setting below described central tube, described leather cup retainer ring and described leather cup stop collar spacing, described leather cup is fixed by described leather cup retainer ring, described leather cup by described leather cup stop collar spacing.
2. temperature control heat according to claim 1 washes anti-pollution packer, it is characterized in that, described central tube and described temperature controlled compartment shell are threaded connection, and described central tube and described leather cup central tube are threaded connection.
3. temperature control heat according to claim 1 washes anti-pollution packer, it is characterized in that, is provided with sealing device between described central tube and described temperature controlled compartment shell.
4. temperature control heat according to claim 3 washes anti-pollution packer, it is characterized in that, described sealing device is O shape rubber seal.
5. temperature control heat according to claim 1 washes anti-pollution packer, it is characterized in that, is provided with sealing device between described central tube and described temperature controlled compartment piston.
6. temperature control heat according to claim 5 washes anti-pollution packer, it is characterized in that, described sealing device is O shape rubber seal.
7. temperature control heat according to claim 1 washes anti-pollution packer, it is characterized in that, is provided with sealing device between described temperature controlled compartment piston and described temperature controlled compartment shell.
8. temperature control heat according to claim 7 washes anti-pollution packer, it is characterized in that, described sealing device is O shape rubber seal.
9. the temperature control heat according to any one of claim 1-8 claim washes anti-pollution packer, it is characterized in that, described temperature control heat is washed anti-pollution packer and also comprised heat-conducting plate, and described heat-conducting plate is placed in described heat-sensitive materials.
10. temperature control heat according to claim 9 washes anti-pollution packer, it is characterized in that, described heat-conducting plate is with multiple wing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420392206.9U CN204113198U (en) | 2014-07-16 | 2014-07-16 | Temperature control hot washing anti-pollution packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420392206.9U CN204113198U (en) | 2014-07-16 | 2014-07-16 | Temperature control hot washing anti-pollution packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113198U true CN204113198U (en) | 2015-01-21 |
Family
ID=52330522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420392206.9U Expired - Fee Related CN204113198U (en) | 2014-07-16 | 2014-07-16 | Temperature control hot washing anti-pollution packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113198U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727777A (en) * | 2015-04-04 | 2015-06-24 | 东营百华石油技术开发有限公司 | Temperature-control type hydraulic packer |
| CN106522871A (en) * | 2015-09-15 | 2017-03-22 | 中国石油化工股份有限公司 | Open hole packer |
| CN111102188A (en) * | 2020-01-08 | 2020-05-05 | 徐海英 | A kind of equal wall thickness screw pump |
-
2014
- 2014-07-16 CN CN201420392206.9U patent/CN204113198U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727777A (en) * | 2015-04-04 | 2015-06-24 | 东营百华石油技术开发有限公司 | Temperature-control type hydraulic packer |
| CN106522871A (en) * | 2015-09-15 | 2017-03-22 | 中国石油化工股份有限公司 | Open hole packer |
| CN106522871B (en) * | 2015-09-15 | 2019-04-05 | 中国石油化工股份有限公司 | A kind of open hole packer |
| CN111102188A (en) * | 2020-01-08 | 2020-05-05 | 徐海英 | A kind of equal wall thickness screw pump |
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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: 20150121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |