CN203879472U - Automatic dosing device of oil well - Google Patents
Automatic dosing device of oil well Download PDFInfo
- Publication number
- CN203879472U CN203879472U CN201420135373.5U CN201420135373U CN203879472U CN 203879472 U CN203879472 U CN 203879472U CN 201420135373 U CN201420135373 U CN 201420135373U CN 203879472 U CN203879472 U CN 203879472U
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- China
- Prior art keywords
- sidewall
- piston
- cylindrical shell
- rod
- trip rod
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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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Abstract
The utility model provides an automatic dosing device of an oil well. The automatic dosing device comprises a medicament box and a mechanical dosing part, wherein the mechanical dosing part consists of a cylinder, a rod piston part and a check valve; the rod piston part comprises a collision rod, a piston and a collision head; the top end of the collision rod is the collision head; a first return spring is arranged on the lower surface of the collision head; the piston is mounted at the lower part of the collision rod; the piston and the lower part of the collision rod are positioned in a first inner cavity in the upper part of the cylinder; the piston is driven by the collision rod to slide along the first inner cavity; the check valve is mounted in a second inner cavity in the lower part of the cylinder, and is provided with a second return spring; and a dosing port is formed in the side wall of the first inner cavity, and is connected with the medicament box. The automatic dosing device realizes the automatic dosing of the oil well, and has the advantages of simple structure, obvious effect and convenience for operation of field installation and disassembly.
Description
Technical field
The utility model relates to the oil mining field in oil field, relates in particular to a kind of chemicals dosing plant of oil well.
Background technology
In oilfield exploitation field; pumpingh well often there will be in process of production because wax deposition, the oil reason such as thick cause oil well load and increases; wellhead back pressure raises; the phenomenons such as surface line obstruction; when serious, even can cause deep well pump leakage or holddown, these problems have not only affected the normal production of oil well but also increased workload because dredging pipeline.For this class problem, adopt at present to the method for dosing in sleeve pipe and prevent oil well paraffinication, but the method for dosing is commonly artificial regularly dosing, this adding method thereof workload is large, need to close well operations, has a strong impact on production, and evenly dosing.
Utility model content
The purpose of this utility model is to provide a kind of device to the dosing of oil well Automatic continuous, replaces artificial regularly dosing, reduces workload and the impact on oil well production.
The technical solution of the utility model is: a kind of automatic medicine feeder of oil well, comprise chemical tank and mechanical dosing parts, and described mechanical dosing parts are comprised of cylindrical shell, body of rod piston element and ball-and-seat; Described body of rod piston element comprises trip rod, piston and impact head, the top of described trip rod is impact head, below impact head, be provided with the first back-moving spring, described piston is arranged on the bottom of trip rod, the bottom of piston and trip rod is arranged in first inner chamber on described cylindrical shell top, and piston can slide along described the first inner chamber under the driving of trip rod; Described ball-and-seat is arranged in the second inner chamber of described cylindrical shell bottom, is provided with the second back-moving spring; Described the first intracavity sidewall is provided with feeding opening, and feeding opening is connected with chemical tank.
Further, the length of described trip rod meets: at least, when the bottom dead center position of trip rod stroke, its bottom has been backed down described ball-and-seat.
Further, a sidewall of described chemical tank is the sidewall on described cylindrical shell top or the partial sidewall on top, and described feeding opening is arranged on described shared sidewall.
Further, the upper port of described cylindrical shell is provided with the sealing device with adjusting nut.
Further, the top of described the first intracavity sidewall is provided with blow vent.Further, described blow vent is arranged on described shared sidewall.
Further, the connector of the lower end of described cylindrical shell for consisting of external screw thread, for being connected with sleeve pipe.
The utility model device clashes into the power of impact head as the power of automatic medicine adding apparatus while utilizing oil-extractor polish-rod descending, body of rod piston element is moved down, piston pushes the medicament in the first inner chamber, under the pressure increasing at the first inner chamber Chinese medicine, particularly under directly the answering back to of trip rod bottom, ball-and-seat is opened, and medicament enters in sleeve pipe by connector; When polished rod is up, body of rod piston element moves reset under the effect of the first back-moving spring, and ball-and-seat moves and valve-off under the effect of the second back-moving spring, and the medicament in chemical tank enters in the first inner chamber; This process is along with the up-downgoing action of polished rod is carried out repeatedly, thereby realized the Automatic continuous dosing to oil well.The utility model apparatus structure is simple, and result of use is obvious, and on-the-spot installing/dismounting is easy to operate, without reconstruction Well head flow path, has improved efficiency of construction, does not affect other operations of well head.In addition, this device utilizes the operation up and down of oil-extractor polish-rod as power source, no longer needs extra power device, has saved system cost.
Accompanying drawing explanation
Hereinafter, the utility model will be described with reference to accompanying drawing by nonrestrictive exemplary, should be understood that in accompanying drawing that various piece or parts may not proportionally draw, and be only schematically, and not mean that restriction the utility model.
Fig. 1 is according to the sectional view of a kind of preferred embodiment of the utility model, the upper position of trip rod in its impulse stroke in figure.
Fig. 2 is the sectional view of the lower position of trip rod in its impulse stroke in Fig. 1.
Fig. 3 is the top view of the utility model device in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model specific embodiment is described.
With reference to figure 1-3, automatic medicine feeder of oil well of the present utility model comprises chemical tank 13 and mechanical dosing parts 12.Chemical tank 13 is for storing medicament, be provided with the dosing mouth 14 that injects liquid to chemical tank, machinery dosing parts 12, for pumping into medicament to sleeve pipe, have feeding opening 15 on mechanical dosing parts 12, and the medicament in chemical tank 13 enters into mechanical dosing parts 12 by feeding opening 15.Chemical tank 13 and mechanical dosing parts 12 can, for two individual components that separate, connect by pipeline.As a kind of preferred embodiment, chemical tank 13 and mechanical dosing parts 12 connect as one, and the partial sidewall of chemical tank 13 sidewall and mechanical dosing parts 12 shares, and adopt the scheme of share common sidewalls can make the utility model apparatus structure compact.
Machinery dosing parts 12 are comprised of cylindrical shell, body of rod piston element and ball-and-seat 8.The inside of cylindrical shell is provided with first inner chamber 7 on top and the second inner chamber 9, the first inner chambers 7 and second inner chamber 9 of bottom communicate, the second inner chamber 9 below one section be through hole, be connected with sleeve pipe.For ease of being connected with sleeve pipe, preferably in the lower end of described cylindrical shell machining screw structure, such as threading, form connector 11, the helicitic texture of connector 11 and sleeve pipe is connected.Described body of rod piston element comprises trip rod 6, piston 5 and impact head 1, and the top of trip rod 6 is impact head 1, and trip rod 6 and impact head 1 can be one, also can separate, if the part separating is fixedly installed togather.Below impact head 1, be provided with the first back-moving spring 2, be enclosed within on trip rod, can make impact head 1 and trip rod 6 reset.The bottom of trip rod 6 is installed with piston 5, and the bottom of trip rod 6 and piston 5 are arranged in first inner chamber 7 on described cylindrical shell top, and the size of piston 5 and the first inner chamber 7 matches, and piston 5 can slide along the first inner chamber 7 under the driving of trip rod 6.In the second inner chamber 9 of described cylindrical shell bottom, ball-and-seat 8 is installed, the top of ball-and-seat 8 can be semicircle boss, and bottom is cylinder, is provided with the second back-moving spring 10 on cylinder.In preferred version, the length of trip rod 6 is designed, referring to Fig. 2, when the bottom dead center position of trip rod 6 in its stroke, its bottom at least can touch the top of ball-and-seat 8, and at this moment trip rod 6 backs down ball-and-seat 8, guarantees that medicament can flow to the second inner chamber 9 from the first inner chamber 7.
The sidewall of the first inner chamber 7 of described cylindrical shell is provided with feeding opening 15, and feeding opening 15 and chemical tank 13 communicate, and is used for introducing medication in the first inner chamber 7.
When a sidewall of chemical tank 13 and the partial sidewall of mechanical dosing parts 12 share, shared sidewall is outer wall or the part outer wall of the first inner chamber 7 preferably, now preferably feeding opening 15 is arranged on this shared sidewall, chemical tank 13 and the first inner chamber 7 are communicated with by feeding opening 15.
In preferred version, the upper port of described cylindrical shell arranges sealing device 4, for sealing the gap between trip rod 6 and cylindrical shell, prevents that the residual medicament in piston 5 tops from flowing out from the upper port of cylindrical shell.Seal approach adopts conventional seal washer, sealing nut or is used in conjunction with, and a kind of optimal way is the sealing device using with adjusting nut 3.
In preferred version, the side wall upper part of described the first inner chamber 7 is provided with blow vent 16, and the position of blow vent 16 is higher than feeding opening 15.When sidewall of chemical tank 13 and the outer wall of the first inner chamber 7 or part outer wall share, blow vent 16 is arranged on described shared sidewall.
Should be appreciated that; embodiment of the present utility model can also have various deformation or improvement; in the situation that not departing from connotation of the present utility model, any to improvement of the present utility model, distortion or modification, be all included in claim protection domain of the present utility model.
Claims (8)
1. an automatic medicine feeder of oil well, comprises chemical tank and mechanical dosing parts, it is characterized in that: described mechanical dosing parts are comprised of cylindrical shell, body of rod piston element and ball-and-seat; Described body of rod piston element comprises trip rod, piston and impact head, the top of described trip rod is impact head, below impact head, be provided with the first back-moving spring, described piston is arranged on the bottom of trip rod, the bottom of piston and trip rod is arranged in first inner chamber on described cylindrical shell top, and piston can slide along described the first inner chamber under the driving of trip rod; Described ball-and-seat is arranged in the second inner chamber of described cylindrical shell bottom, is provided with the second back-moving spring; Described the first intracavity sidewall is provided with feeding opening, and feeding opening is connected with chemical tank.
2. automatic medicine adding apparatus according to claim 1, is characterized in that: the length of described trip rod meets: at least, when the bottom dead center position of trip rod stroke, its bottom has been backed down described ball-and-seat.
3. automatic medicine adding apparatus according to claim 1 and 2, is characterized in that: a sidewall of described chemical tank is the sidewall on described cylindrical shell top or the partial sidewall on top, and described feeding opening is arranged on described shared sidewall.
4. automatic medicine adding apparatus according to claim 1 and 2, is characterized in that: the upper port of described cylindrical shell is provided with the sealing device with adjusting nut.
5. automatic medicine adding apparatus according to claim 4, is characterized in that: the top of described the first intracavity sidewall is provided with blow vent.
6. automatic medicine adding apparatus according to claim 4, is characterized in that: a sidewall of described chemical tank is the sidewall on described cylindrical shell top or the partial sidewall on top, and described feeding opening and described blow vent are arranged on described shared sidewall.
7. automatic medicine adding apparatus according to claim 5, is characterized in that: a sidewall of described chemical tank is the sidewall on described cylindrical shell top or the partial sidewall on top, and described feeding opening and described blow vent are arranged on described shared sidewall.
8. automatic medicine adding apparatus according to claim 1 and 2, is characterized in that: the lower end of described cylindrical shell is the connector consisting of external screw thread, for being connected with sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420135373.5U CN203879472U (en) | 2014-03-25 | 2014-03-25 | Automatic dosing device of oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420135373.5U CN203879472U (en) | 2014-03-25 | 2014-03-25 | Automatic dosing device of oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203879472U true CN203879472U (en) | 2014-10-15 |
Family
ID=51679982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420135373.5U Expired - Fee Related CN203879472U (en) | 2014-03-25 | 2014-03-25 | Automatic dosing device of oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203879472U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883298A (en) * | 2014-03-25 | 2014-06-25 | 孙建勇 | Automatic dosing device for oil well |
| CN109592630A (en) * | 2019-01-23 | 2019-04-09 | 宁满帅 | Medicine chemicals dosing plant is unloaded in oil transportation station water-injection station environmental protection |
| CN115325326A (en) * | 2022-10-13 | 2022-11-11 | 大庆市龙兴石油机械有限公司 | Inner wall laser treatment oil pipe |
-
2014
- 2014-03-25 CN CN201420135373.5U patent/CN203879472U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883298A (en) * | 2014-03-25 | 2014-06-25 | 孙建勇 | Automatic dosing device for oil well |
| CN109592630A (en) * | 2019-01-23 | 2019-04-09 | 宁满帅 | Medicine chemicals dosing plant is unloaded in oil transportation station water-injection station environmental protection |
| CN115325326A (en) * | 2022-10-13 | 2022-11-11 | 大庆市龙兴石油机械有限公司 | Inner wall laser treatment oil pipe |
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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: 20141015 Termination date: 20150325 |
|
| EXPY | Termination of patent right or utility model |