CN204345265U - Oil well production equipment - Google Patents
Oil well production equipment Download PDFInfo
- Publication number
- CN204345265U CN204345265U CN201420709598.7U CN201420709598U CN204345265U CN 204345265 U CN204345265 U CN 204345265U CN 201420709598 U CN201420709598 U CN 201420709598U CN 204345265 U CN204345265 U CN 204345265U
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- Prior art keywords
- gate
- break
- control unit
- production equipment
- oil well
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- Expired - Fee Related
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 73
- 239000003129 oil well Substances 0.000 title claims abstract description 41
- 238000011084 recovery Methods 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 13
- 230000007717 exclusion Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 10
- 238000003912 environmental pollution Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Abstract
The utility model provides a kind of oil well production equipment, comprise secondary production gate and secondary sleeve gate, oil well production equipment also comprises: break-make control unit, one end of break-make control unit is connected with secondary sleeve gate, the other end of break-make control unit is produced gate with pair and is connected, and making secondary sleeve gate produce gate with pair can be connected to break-make.Oil well production equipment of the present utility model is by arranging break-make control unit, secondary sleeve gate can be made to produce gate with pair can be connected to break-make, and then can gas in a device more time, make secondary sleeve gate produce gate with pair to be communicated with, thus can gas more easily in exclusion sleeve, and, the gas that need discharge and being directly discharged in production system by the fluid that gas is taken out of, both the possibility of befouling environment had been stopped, again the oily well yield of supercharging.
Description
Technical field
The utility model relates to field of petroleum exploitation, in particular to a kind of oil well production equipment.
Background technique
At present, oil field needs sporadically exclusion sleeve output gas in process of production, and then avoids the gas lock effect occurring pump.
But, easily take shaft bottom fluid out of well head while exclusion sleeve gas, produce environmental pollution; For the oil well that bottom pressure is too high, need the mode by sleeve pipe discharge opeing, reduce bottom pressure, but the complex procedures of adapter sleeve tapping line, the collection process of discharging liquid is also inconvenient.Welding type oil jacket communication apparatus of the prior art, is only be connected with sleeve pipe by oil pipe, dismantles very inconvenient, and, can not survey liquid level or clean-out service be carried out after installation, affect oil well production.
Model utility content
Main purpose of the present utility model is to provide a kind of oil well production equipment, easily produces the problem of environmental pollution during to solve the gas in the sleeve pipe of discharge oil well production equipment of the prior art.
To achieve these goals, the utility model provides a kind of oil well production equipment, comprise secondary production gate and secondary sleeve gate, oil well production equipment also comprises: break-make control unit, one end of break-make control unit is connected with secondary sleeve gate, the other end of break-make control unit is produced gate with pair and is connected, and making secondary sleeve gate produce gate with pair can be connected to break-make.
Further, break-make control unit comprises one-way valve, and one-way valve is arranged on auxiliary connection and produces on the hydraulic pipe line of gate and secondary sleeve gate, and the filler opening of one-way valve is arranged towards secondary sleeve gate, and the oil outlet of one-way valve produces gate locating towards pair.
Further, one-way valve is spring one-way valve.
Further, break-make control unit comprises on-off control valve, and on-off control valve is arranged on the hydraulic pipe line between auxiliary connection production gate and secondary sleeve gate.
Further, on-off control valve is two-position two-way solenoid valve.
Further, break-make control unit also comprises tee union, and the first interface of tee union is connected with secondary sleeve gate, and the second interface of tee union is produced gate with pair and can be connected to break-make, and the 3rd interface of tee union is used for setting pressure table.
Further, break-make control unit also comprises casing short joint, and one end of casing short joint is connected with secondary sleeve gate, and the other end of casing short joint is connected with the first interface of tee union.
Further, break-make control unit also comprises reducing bend, and the first end of reducing bend is produced gate with pair and is connected, and the second end of reducing bend can be connected to break-make with secondary sleeve gate.
Further, break-make control unit also comprises oil pipe short circuit, and one end of oil pipe short circuit produces gate with pair and is connected, and the other end of oil pipe short circuit is connected with the first end of reducing bend.
Further, break-make control unit also comprises oil recovery main line and main production gate, and main production gate and secondary gate locating of producing are in the relative both sides of oil recovery main line.
Oil well production equipment of the present utility model is by arranging break-make control unit, secondary sleeve gate can be made to produce gate with pair can be connected to break-make, and then can gas in a device more time, make secondary sleeve gate produce gate with pair to be communicated with, thus can gas more easily in exclusion sleeve, and, the gas that need discharge and being directly discharged in production system by the fluid that gas is taken out of, both the possibility of befouling environment had been stopped, again the oily well yield of supercharging.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structure intention of oil well production equipment of the present utility model; And
Fig. 2 shows the reduced graph of oil well production equipment.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, secondary production gate; 20, secondary sleeve gate; 30, one-way valve; 41, tee union; 42, reducing bend; 51, plug; 52, pressure gauge; 61, casing short joint; 62, oil pipe short circuit; 70, oil recovery main line; 81, main production gate; 82, main sleeve gate; 83, resistance oil nozzle sleeve; 84, interior companion's gate; 85, cover companion gate; 86, outer companion's gate; 87, back-pressure gate.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
It is noted that following detailed description is all exemplary, be intended to provide further instruction to the application.Unless otherwise, all technology used herein and scientific terminology have the identical meanings usually understood with the application person of an ordinary skill in the technical field.
It should be noted that used term is only to describe embodiment here, and be not intended to the illustrative embodiments of restricted root according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to comprise plural form, in addition, it is to be further understood that, when use belongs to " comprising " and/or " comprising " in this manual, it indicates existing characteristics, step, operation, device, assembly and/or their combination.
According to an aspect of the present utility model, provide a kind of oil well production equipment, please refer to Fig. 1 and Fig. 2, this oil well production equipment comprises secondary production gate 10 and secondary sleeve gate 20, oil well production equipment also comprises: break-make control unit, one end of break-make control unit is connected with secondary sleeve gate 20, and the other end of break-make control unit is produced gate 10 with pair and is connected, and making secondary sleeve gate 20 produce gate 10 with pair can be connected to break-make.
Oil well production equipment of the present utility model is by arranging break-make control unit, secondary sleeve gate 20 can be made to produce gate 10 with pair can be connected to break-make, and then can gas in a device more time, make secondary sleeve gate 20 produce gate 10 with pair to be communicated with, thus can gas more easily in exclusion sleeve, and, the gas that need discharge and being directly discharged in production system by the fluid that gas is taken out of, both the possibility of befouling environment had been stopped, again the oily well yield of supercharging.
Preferably, break-make control unit comprises one-way valve 30, one-way valve 30 is arranged on auxiliary connection and produces gate 10 with on the hydraulic pipe line of secondary sleeve gate 20, and the filler opening of one-way valve 30 is arranged towards secondary sleeve gate 20, and the oil outlet of one-way valve 30 is produced gate 10 towards pair and arranged.
Preferably, one-way valve 30 is spring one-way valve.One-way valve 30 is arranged to spring one-way valve, like this when the pressure in oil pipe is greater than the pressure of one-way valve 30, secondary sleeve gate 20 just can be made to produce gate 10 conducting with secondary, and then the gas in oil pipe is drained in production line.
Preferably, break-make control unit comprises on-off control valve, and on-off control valve is arranged on the hydraulic pipe line between auxiliary connection production gate 10 and secondary sleeve gate 20.
Preferably, on-off control valve is two-position two-way solenoid valve.According to actual conditions, secondary sleeve gate 20 can be made more easily to produce gate 10 with pair and to be turned on or off by arranging on-off control valve.
Preferably, break-make control unit also comprises tee union 41, the first interface of tee union 41 is connected with secondary sleeve gate 20, and the second interface of tee union 41 is produced gate 10 with pair and can be connected to break-make, and the 3rd interface of tee union 41 is used for setting pressure table 52.Setting pressure table on the 3rd interface of tee union 41, can pressure more easily in detection thimble.
Preferably, break-make control unit also comprises casing short joint 61, and one end of casing short joint 61 is connected with secondary sleeve gate 20, and the other end of casing short joint 61 is connected with the first interface of tee union 41.Can auxiliary connection sleeve gate 20 and tee union 41 more easily by arranging casing short joint 61.
Preferably, break-make control unit also comprises reducing bend 42, and the first end of reducing bend 42 is produced gate 10 with pair and is connected, and the second end of reducing bend 42 can be connected to break-make with secondary sleeve gate 20.Gate 10 and secondary sleeve gate 20 can be produced by auxiliary connection more easily by arranging reducing bend 42, being conducive to realizing turning to of fluid.
Preferably, break-make control unit also comprises oil pipe short circuit 62, and one end of oil pipe short circuit 62 produces gate 10 with pair and is connected, and the other end of oil pipe short circuit 62 is connected with the first end of reducing bend 42.Gate 10 and reducing bend 42 can be produced by auxiliary connection more easily by arranging oil pipe short circuit 62.
Preferably, break-make control unit also comprises oil recovery main line 70 and main production gate 81, and main production gate 81 produces with secondary the relative both sides that gate 10 is arranged on oil recovery main line 70.
In this application, oil well production equipment also comprises main sleeve gate 82, resistance oil nozzle sleeve 83, interior companion's gate 84, cover companion gate 85, outer companion's gate 86 and back-pressure gate 87 etc., wherein, main sleeve gate 82 is connected with back-pressure gate 87 with interior companion's gate 84 by cover companion gate 85, outer companion's gate 86 is arranged on the pipeline that is connected with main sleeve gate 82, and resistance oil nozzle sleeve 83 is connected with main production gate 81.
The application installs threeway pipeline by secondary sleeve gate 20, and outer row holds with after plug 51 shutoff, setting pressure table 52 device, and the other end, by spring uniflow valves, high pressure short circuit and reducing tee, is connected to secondary production gate 10.
Repairing for needing the oil well that still bottom pressure is too high, by connecting above-mentioned break-make control unit, sleeve pipe liquid directly can be discharged in production system, stop the possibility of environmental pollution.Bottom pressure, after individual well installs oil jacket communication apparatus, by regulating one-way valve 30 release pressure, controlling in the reasonable scope, while decreasing workload, adding oil well output by employee.
Oil well generating pump card when steam injection extension is taken out, normally cannot produce, need workover eration to resume production.But because this well has just completed steam injection operation, bottom pressure is higher, because holddown accident occurs barrel inner carrier for a certain reason, shaft bottom fluid by oil pipe discharging in production system, therefore cannot can only pass through sleeve pipe discharge opeing.
Original technological method is adapter sleeve tapping line and discharge opeing side's tank, reclaims in the fluid side of being disposed to, shaft bottom tank.Now by installing break-make control unit, shaft bottom fluid directly being produced gate by secondary sleeve gate, oil jacket communication apparatus, pair, is directly disposed in production system.Eliminate the workload of installing outer comb line and pendulum tank.Stop the possibility of environmental pollution.
In this application, by spring uniflow valves, can the tolerance of direct sleeve pipe vapour at the bottom of control well, decrease the workload of employee, reduce the working strength of employee, and to a certain degree add well yield down.
Now, the illustrative embodiments according to the application is described with reference to the accompanying drawings in more detail.But these illustrative embodiments can be implemented by multiple different form, and should not be interpreted as being only limited to mode of execution set forth herein.
Should be understood that, there is provided these mode of executions be in order to make the application open thorough and complete, and the design of these illustrative embodiments is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, expand the thickness in layer and region, and use the device that identical reference character represents identical, thus will omit description of them.
Embodiment one:
The oil well production equipment of the present embodiment comprises secondary production gate 10 and secondary sleeve gate 20, oil well production equipment also comprises: break-make control unit, one end of break-make control unit is connected with secondary sleeve gate 20, the other end of break-make control unit is produced gate 10 with pair and is connected, and making secondary sleeve gate 20 produce gate 10 with pair can be connected to break-make; Wherein, break-make control unit comprises one-way valve 30, one-way valve 30 is arranged on auxiliary connection and produces gate 10 with on the hydraulic pipe line of secondary sleeve gate 20, and the filler opening of one-way valve 30 is arranged towards secondary sleeve gate 20, and the oil outlet of one-way valve 30 is produced gate 10 towards pair and arranged.
The oil well production equipment of the present embodiment is by arranging break-make control unit, secondary sleeve gate 20 can be made to produce gate 10 with pair can be connected to break-make, and then can gas in a device more time, make secondary sleeve gate 20 produce gate 10 with pair to be communicated with, thus can gas more easily in exclusion sleeve, and, the gas that need discharge and being directly discharged in production system by the fluid that gas is taken out of, both the possibility of befouling environment had been stopped, again the oily well yield of supercharging.
In the present embodiment, one-way valve 30 is spring one-way valve.One-way valve 30 is arranged to spring one-way valve, like this when the pressure in oil pipe is greater than the pressure of one-way valve 30, secondary sleeve gate 20 just can be made to produce gate 10 conducting with secondary, and then the gas in oil pipe is drained in production line.
In the present embodiment, break-make control unit also comprises tee union 41, the first interface of tee union 41 is connected with secondary sleeve gate 20, and the second interface of tee union 41 is produced gate 10 with pair and can be connected to break-make, and the 3rd interface of tee union 41 is used for setting pressure table 52.Setting pressure table on the 3rd interface of tee union 41, can detect the pressure in oil pipe more easily.
In the present embodiment, break-make control unit also comprises casing short joint 61, and one end of casing short joint 61 is connected with secondary sleeve gate 20, and the other end of casing short joint 61 is connected with the first interface of tee union 41.Can auxiliary connection sleeve gate 20 and tee union 41 more easily by arranging casing short joint 61.
In the present embodiment, break-make control unit also comprises reducing bend 42, and the first end of reducing bend 42 is produced gate 10 with pair and is connected, and the second end of reducing bend 42 can be connected to break-make with secondary sleeve gate 20.Gate 10 and secondary sleeve gate 20 can be produced by auxiliary connection more easily by arranging reducing bend 42, being conducive to realizing turning to of fluid.
In the present embodiment, break-make control unit also comprises oil pipe short circuit 62, and one end of oil pipe short circuit 62 produces gate 10 with pair and is connected, and the other end of oil pipe short circuit 62 is connected with the first end of reducing bend 42.Gate 10 and reducing bend 42 can be produced by auxiliary connection more easily by arranging oil pipe short circuit 62.
In the present embodiment, break-make control unit also comprises oil recovery main line 70 and main production gate 81, and main production gate 81 produces with secondary the relative both sides that gate 10 is arranged on oil recovery main line 70.
Embodiment two:
The oil well production equipment of embodiment comprises secondary production gate 10 and secondary sleeve gate 20, oil well production equipment also comprises: break-make control unit, one end of break-make control unit is connected with secondary sleeve gate 20, the other end of break-make control unit is produced gate 10 with pair and is connected, and making secondary sleeve gate 20 produce gate 10 with pair can be connected to break-make; Wherein, break-make control unit comprises on-off control valve, and on-off control valve is arranged on auxiliary connection and produces gate 10 with on the hydraulic pipe line of secondary sleeve gate 20.
The oil well production equipment of the present embodiment is by arranging break-make control unit, secondary sleeve gate 20 can be made to produce gate 10 with pair can be connected to break-make, and then can gas in a device more time, make secondary sleeve gate 20 produce gate 10 with pair to be communicated with, thus can gas more easily in exclusion sleeve, and, the gas that need discharge and being directly discharged in production system by the fluid that gas is taken out of, both the possibility of befouling environment had been stopped, again the oily well yield of supercharging.
In the present embodiment, on-off control valve is two-position two-way solenoid valve.According to actual conditions, secondary sleeve gate 20 can be made more easily to produce gate 10 with pair and to be turned on or off by arranging on-off control valve.
In the present embodiment, break-make control unit also comprises tee union 41, the first interface of tee union 41 is connected with secondary sleeve gate 20, and the second interface of tee union 41 is produced gate 10 with pair and can be connected to break-make, and the 3rd interface of tee union 41 is used for setting pressure table 52.Setting pressure table on the 3rd interface of tee union 41, can detect the pressure in oil pipe more easily.
In the present embodiment, break-make control unit also comprises casing short joint 61, and one end of casing short joint 61 is connected with secondary sleeve gate 20, and the other end of casing short joint 61 is connected with the first interface of tee union 41.Can auxiliary connection sleeve gate 20 and tee union 41 more easily by arranging casing short joint 61.
In the present embodiment, break-make control unit also comprises reducing bend 42, and the first end of reducing bend 42 is produced gate 10 with pair and is connected, and the second end of reducing bend 42 can be connected to break-make with secondary sleeve gate 20.Gate 10 and secondary sleeve gate 20 can be produced by auxiliary connection more easily by arranging reducing bend 42, being conducive to realizing turning to of fluid.
In the present embodiment, break-make control unit also comprises oil pipe short circuit 62, and one end of oil pipe short circuit 62 produces gate 10 with pair and is connected, and the other end of oil pipe short circuit 62 is connected with the first end of reducing bend 42.Gate 10 and reducing bend 42 can be produced by auxiliary connection more easily by arranging oil pipe short circuit 62.
In the present embodiment, break-make control unit also comprises oil recovery main line 70 and main production gate 81, and main production gate 81 produces with secondary the relative both sides that gate 10 is arranged on oil recovery main line 70.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
Oil well production equipment of the present utility model is by arranging break-make control unit, secondary sleeve gate 20 can be made to produce gate 10 with pair can be connected to break-make, and then can gas in a device more time, make secondary sleeve gate 20 produce gate 10 with pair to be communicated with, thus can gas more easily in exclusion sleeve, and, the gas that need discharge and being directly discharged in production system by the fluid that gas is taken out of, both the possibility of befouling environment had been stopped, again the oily well yield of supercharging.
It should be noted that, term " first ", " second " etc. in the specification of the application and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as the embodiment example of the application described herein if with except here diagram or describe those except order implement.
In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
For convenience of description, here can usage space relative terms, as " ... on ", " in ... top ", " at ... upper surface ", " above " etc., be used for the spatial relation described as a device shown in the figure or feature and other devices or feature.Should be understood that, space relative terms is intended to comprise the different azimuth in use or operation except the described in the drawings orientation of device.
Such as, " in other devices or structure below " or " under other devices or structure " will be positioned as after if the device in accompanying drawing is squeezed, being then described as the device of " above other devices or structure " or " on other devices or structure ".
Thus, exemplary term " in ... top " can comprise " in ... top " and " in ... below " two kinds of orientation.This device also can other different modes location (90-degree rotation or be in other orientation), and relatively describe space used here and make respective explanations.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.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. an oil well production equipment, comprise secondary production gate (10) and secondary sleeve gate (20), it is characterized in that, described oil well production equipment also comprises:
Break-make control unit, one end of described break-make control unit is connected with described secondary sleeve gate (20), the other end of described break-make control unit is produced gate (10) with described pair and is connected, and making described secondary sleeve gate (20) produce gate (10) with described pair can be connected to break-make.
2. oil well production equipment according to claim 1, it is characterized in that, described break-make control unit comprises one-way valve (30), described one-way valve (30) is arranged on and connects described pair production gate (10) with on the hydraulic pipe line of described secondary sleeve gate (20), and the filler opening of described one-way valve (30) is arranged towards described secondary sleeve gate (20), the oil outlet of described one-way valve (30) is produced gate (10) towards described pair and is arranged.
3. oil well production equipment according to claim 2, is characterized in that, described one-way valve (30) is spring one-way valve.
4. oil well production equipment according to claim 1, it is characterized in that, described break-make control unit comprises on-off control valve, and described on-off control valve is arranged on and connects on the described secondary hydraulic pipe line produced between gate (10) and described secondary sleeve gate (20).
5. oil well production equipment according to claim 4, is characterized in that, described on-off control valve is two-position two-way solenoid valve.
6. oil well production equipment according to claim 1, it is characterized in that, described break-make control unit also comprises tee union (41), the first interface of described tee union (41) is connected with described secondary sleeve gate (20), second interface of described tee union (40) is produced gate (10) with described pair and can be connected to break-make, and the 3rd interface of described tee union (41) is used for setting pressure table (52).
7. oil well production equipment according to claim 6, it is characterized in that, described break-make control unit also comprises casing short joint (61), one end of described casing short joint (61) is connected with described secondary sleeve gate (20), and the other end of described casing short joint (61) is connected with the first interface of described tee union (41).
8. oil well production equipment according to claim 1, it is characterized in that, described break-make control unit also comprises reducing bend (42), the first end of described reducing bend (42) is produced gate (10) with described pair and is connected, and the second end of described reducing bend (42) can be connected to break-make with described secondary sleeve gate (20).
9. oil well production equipment according to claim 8, it is characterized in that, described break-make control unit also comprises oil pipe short circuit (62), one end of described oil pipe short circuit (62) produces gate (10) with described pair and is connected, and the other end of described oil pipe short circuit (62) is connected with the first end of described reducing bend (42).
10. oil well production equipment according to claim 1, it is characterized in that, described break-make control unit also comprises oil recovery main line (70) and main production gate (81), and described main production gate (81) produces with described pair the relative both sides that gate (10) is arranged on described oil recovery main line (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709598.7U CN204345265U (en) | 2014-11-21 | 2014-11-21 | Oil well production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709598.7U CN204345265U (en) | 2014-11-21 | 2014-11-21 | Oil well production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204345265U true CN204345265U (en) | 2015-05-20 |
Family
ID=53228533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420709598.7U Expired - Fee Related CN204345265U (en) | 2014-11-21 | 2014-11-21 | Oil well production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204345265U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121624A (en) * | 2016-08-24 | 2016-11-16 | 玉田县科联实业有限公司 | Screw pump oil production well head intelligent monitor system |
| CN106522893A (en) * | 2016-12-22 | 2017-03-22 | 河北众杰石油设备修理有限公司 | Device and technique for recovering oil in casing pipe |
| CN111894527A (en) * | 2020-08-17 | 2020-11-06 | 中国石油化工股份有限公司 | Gas production device of high-content gas well |
-
2014
- 2014-11-21 CN CN201420709598.7U patent/CN204345265U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121624A (en) * | 2016-08-24 | 2016-11-16 | 玉田县科联实业有限公司 | Screw pump oil production well head intelligent monitor system |
| CN106522893A (en) * | 2016-12-22 | 2017-03-22 | 河北众杰石油设备修理有限公司 | Device and technique for recovering oil in casing pipe |
| CN111894527A (en) * | 2020-08-17 | 2020-11-06 | 中国石油化工股份有限公司 | Gas production device of high-content gas well |
| CN111894527B (en) * | 2020-08-17 | 2022-08-09 | 中国石油化工股份有限公司 | Gas production device of high-content gas well |
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| 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: 20150520 |