CN206468327U - Oil well dosing wax removal snaking hot washing device - Google Patents
Oil well dosing wax removal snaking hot washing device Download PDFInfo
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- CN206468327U CN206468327U CN201720168065.6U CN201720168065U CN206468327U CN 206468327 U CN206468327 U CN 206468327U CN 201720168065 U CN201720168065 U CN 201720168065U CN 206468327 U CN206468327 U CN 206468327U
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- box cupling
- dosing
- connection
- medicine
- special box
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Abstract
The utility model is related to a kind of oil well dosing wax removal snaking hot washing device.When mainly solving existing oil well dosing medicament after sleeve pipe again on return to oil pipe and make the problem of chemical feeding quantity is big, drug effect is not played well.It is characterized in that：The standing valve（9）The sleeve pipe on top（4）Between pass through special box cupling（7）Connection, standing valve（9）Outside oil pipe and the screen casing of bottom（11）Between pass through dosing box cupling（10）Connection；The medicine-chest（14）On be connected with chemical feed pipe（1）, chemical feed pipe（1）Through well head four-way（2）Between after and top special box cupling（7）Connection, and two neighboring special box cupling（7）Between and bottom special box cupling（7）With dosing box cupling（10）Between pass through medicine-feeding connection tube（5）Connection.The oil well dosing wax removal snaking hot washing device can save chemical feeding quantity, and construction is simple, effectively extends pump detection period, increases yield.
Description
Technical field
The utility model is related to oilfield, specifically a kind of oil well dosing wax removal snaking hot washing device.
Background technology
Some producing wells of current oil field, because oil reservoir is thicker, easily fouling wax deposition is, it is necessary to which dosing or hot clean-up well are protected inside pit shaft
Hold pit shaft unimpeded, particularly ternary composite driving well, easy fouling crystallization causes holddown and needs the phenomenon of operation a lot.And it is oily at present
, it is necessary to be suppressed using medicine adding vehicle into well during well dosing, medicament after sleeve pipe again on return into oil pipe, chemical feeding quantity is big, drug effect
Do not play well, pump detection period is short, add workload, reduce production efficiency.
The content of the invention
In order to when overcoming existing oil well dosing medicament after sleeve pipe again on return to oil pipe and make that chemical feeding quantity is big, drug effect hair
Bad deficiency is waved, the utility model provides a kind of oil well dosing wax removal snaking hot washing device, oil well dosing wax removal snaking heat
Cleaning device can save chemical feeding quantity, and construction is simple, effectively extends pump detection period, increases yield.
The technical solution of the utility model is：A kind of oil well dosing wax removal snaking hot washing device, including medicine-chest, oil pipe, under
It is provided between standing valve, the oil pipe on the standing valve top and is connected by special box cupling inside the oil pipe in portion, standing valve
Connected between outside oil pipe and the screen casing of bottom by dosing box cupling；Chemical feed pipe is connected with the medicine-chest, chemical feed pipe is passed through
It is connected after between well head four-way with the special box cupling on top, and the special box cupling of between two neighboring special box cupling and bottom is with adding
Connected between medicine box cupling by medicine-feeding connection tube；
The special box cupling includes special box cupling top connection and special box cupling lower contact, is connected through a screw thread therebetween,
The special box cupling top connection top is provided with longitudinal top connection liquid pass hole, and special box cupling top connection bottom is provided with circumferential annular
Groove, and annular groove communicates with top connection liquid pass hole；It is provided with longitudinal lower contact liquid pass hole in the special box cupling lower contact, and under
Joint liquid pass hole is communicated with annular groove；
The dosing box cupling includes the top connection of dosing box cupling and dosing box cupling lower contact, is connected through a screw thread therebetween,
It is provided with the dosing box cupling top connection on the longitudinal medicine feeding hole communicated and horizontal medicine feeding hole, and horizontal medicine feeding hole and dosing box cupling
Inner nosepiece wall is communicated.
Connected between the screen casing and tail pipe by tubing coupling.
Welded between the medicine-feeding connection tube and special box cupling and dosing box cupling.
The utility model has the advantages that：Due to taking such scheme, the device passes through chemical feed pipe, at different levels special
Medicine-chest is connected by box cupling, medicine-feeding connection tube with dosing box cupling, when needing removing paraffin and washing well, and the decoction in medicine-chest passes through self gravitation
Standing valve bottom can be flowed into, the negative pressure space of the up formation of oil well pump makes decoction automatically up, play clear in oil pipe
The effect of wax snaking, ground is extracted into by oil well pump.The device does not need power drive, and the number of chemical feeding quantity can pass through valve
Gate control；And due to by pipeline dosing, greatly reducing chemical feeding quantity, medicament has been saved, and drug effect is bringd into play；Construction letter
Single, management is convenient, safety and environmental protection；Pump detection period can effectively be extended, oil well production efficiency is improved.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of special box cupling；
Fig. 3 is the structural representation of dosing box cupling.
1- chemical feed pipes in figure, 2- well head four-ways, 3- sleeve pipes, 4- oil pipes, 5- medicine-feeding connection tubes, 6- sucker rods, 7- is special to be connect
Hoop, 8- oil well pumps, 9- standing valves, 10- dosing box cuplings, 11- screen casings, 12- tubing couplings, 13- tail pipes, 14- medicine-chests, 71- is special
Use box cupling top connection, 72- top connection liquid pass holes, 73- annular grooves, the special box cupling lower contacts of 74-, 75- lower contact liquid pass holes, 101-
Dosing box cupling top connection, 102- longitudinal directions medicine feeding hole, 103- transverse direction medicine feeding holes, 104- dosing box cupling lower contacts.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Fig. 1 to Fig. 3, a kind of oil well dosing wax removal snaking hot washing device, including medicine-chest 14, oil pipe 4, the oil of bottom
The inside of pipe 4 is provided with standing valve 9, is boundary with standing valve 9 for convenience of description, by oil pipe be divided into above and below two parts, wherein fixed
Connected, led between the screen casing 11 of oil pipe and bottom outside standing valve 9 by special box cupling 7 between the oil pipe 4 on the top of valve 9
Dosing box cupling 10 is crossed to connect；Connected between screen casing 11 and tail pipe 13 by tubing coupling 12.Dosing is connected with the medicine-chest 14
Pipe 1, chemical feed pipe 1 is located inside sleeve pipe 3, presses close to the outer wall of oil pipe 4, and chemical feed pipe 1 is rear special with the top through well head four-way 2
Connected with box cupling 7, thus special box cupling is downward, special box cupling 7 and the dosing box cupling of between two neighboring special box cupling 7 and bottom
Connected between 10 by medicine-feeding connection tube 5, i.e., the medicament in medicine-chest 14 passes sequentially through chemical feed pipe 1, each special box cupling 7 and respectively added
After medicine connecting tube 5, it is added to by dosing box cupling 10 in oil pipe.Wherein medicine-feeding connection tube 5 and special box cupling 7 and dosing box cupling 10 it
Between can weld, can also be connected through a screw thread.
The special box cupling 7 includes special box cupling top connection 71 and special box cupling lower contact 74, passes through screw thread therebetween
Connection.To ensure that medicament can be passed through wherein after the special connection of box cupling 7, the special top of box cupling top connection 71 is provided with vertical
To top connection liquid pass hole 72, the special bottom of box cupling top connection 73 is provided with circumferential annular groove 73, the top of top connection liquid pass hole 72
It is connected with chemical feed pipe 1 or medicine-feeding connection tube 5, bottom is communicated with annular groove 73, so, the medicament flowed into by top chemical feed pipe can be with
Entered by top connection liquid pass hole 72 in annular groove 73.Longitudinal lower contact, which is provided with, in the special box cupling lower contact 74 crosses liquid
Hole 75, the center of lower contact liquid pass hole 75 is corresponding with the annular groove 73 in special box cupling top connection 71, so upper and lower
After joint connection, no matter which direction special box cupling lower contact 74 goes to, and lower contact liquid pass hole 75 can be kept and annular groove
73 communicate so that the medicament in annular groove 73 can enter lower contact liquid pass hole 75, then flow into the medicine-feeding connection tube of bottom.
The dosing box cupling 10 includes dosing box cupling top connection 101 and dosing box cupling lower contact 104, passes through spiral shell therebetween
Line is connected.The longitudinal medicine feeding hole 102 and horizontal medicine feeding hole 103 communicated is provided with the dosing box cupling top connection 101, wherein longitudinally
The top of medicine feeding hole 102 is connected with medicine-feeding connection tube 5, and horizontal medicine feeding hole 103 is communicated with the inwall of dosing box cupling top connection 101.This makes
Obtaining the medicament flowed into by top medicine-feeding connection tube 5 can enter inside oil pipe.
Medicine-chest 14 is connected by the device by chemical feed pipe 1, special box cupling 7 at different levels, medicine-feeding connection tube 5 with dosing box cupling 10.
When needing wax removal snaking, the medicament in the valve on chemical feed pipe 1, medicine-chest 1 is opened under self gravitation effect, passes sequentially through and adds
Pencil 1, special box cupling 7 at different levels, medicine-feeding connection tube at different levels 5 are entered inside oil pipe to flowing down, then by dosing box cupling 10.This
When, oil well pump 8 is above carried by sucker rod 6, the bottom of standing valve 9 is produced negative pressure, the medicament in the bottom oil pipe of standing valve 9 is
By standing valve 9, it is together up along oil pipe with oil well pump 8, so as to play a part of wax removal, snaking to tube inner wall.Similarly,
When needing hot clean-up well, hot water is added into oil pipe by medicine-chest 14, chemical feed pipe.
Claims (3)
1. a kind of oil well dosing wax removal snaking hot washing device, including medicine-chest（14）, oil pipe（4）, the oil pipe of bottom（4）Inside is provided with
Standing valve（9）, it is characterised in that：The standing valve（9）The sleeve pipe on top（4）Between pass through special box cupling（7）Connection, Gu
Determine valve（9）Outside oil pipe and the screen casing of bottom（11）Between pass through dosing box cupling（10）Connection；The medicine-chest（14）Upper company
It is connected to chemical feed pipe（1）, chemical feed pipe（1）Through well head four-way（2）Between after and top special box cupling（7）Connection, and adjacent two
Individual special box cupling（7）Between and bottom special box cupling（7）With dosing box cupling（10）Between pass through medicine-feeding connection tube（5）Even
Connect；
The special box cupling（7）Including special box cupling top connection（71）And special box cupling lower contact（74）, pass through spiral shell therebetween
Line is connected, the special box cupling top connection（71）Top is provided with longitudinal top connection liquid pass hole（72）, special box cupling top connection
（73）Bottom is provided with circumferential annular groove（73）, and annular groove（73）With top connection liquid pass hole（72）Communicate；The special box cupling
Lower contact（74）On be provided with longitudinal lower contact liquid pass hole（72）, and lower contact liquid pass hole（72）With annular groove（73）Communicate；
The dosing box cupling（10）Including dosing box cupling top connection（101）And dosing box cupling lower contact（104）, pass through therebetween
Threaded connection, the dosing box cupling top connection（101）On be provided with the longitudinal medicine feeding hole communicated（102）And horizontal medicine feeding hole（103）,
And horizontal medicine feeding hole（103）With dosing box cupling top connection（101）Inwall is communicated.
2. oil well dosing wax removal snaking hot washing device according to claim 1, it is characterised in that：The screen casing（11）With tail
Pipe（13）Between pass through tubing coupling（12）Connection.
3. oil well dosing wax removal snaking hot washing device according to claim 1, it is characterised in that：The medicine-feeding connection tube
（5）With special box cupling（7）And dosing box cupling（10）Between weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720168065.6U CN206468327U (en) | 2017-02-23 | 2017-02-23 | Oil well dosing wax removal snaking hot washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720168065.6U CN206468327U (en) | 2017-02-23 | 2017-02-23 | Oil well dosing wax removal snaking hot washing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206468327U true CN206468327U (en) | 2017-09-05 |
Family
ID=59707849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720168065.6U Active CN206468327U (en) | 2017-02-23 | 2017-02-23 | Oil well dosing wax removal snaking hot washing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206468327U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761564A (en) * | 2017-02-23 | 2017-05-31 | 栾良辉 | Oil well dosing wax removal snaking hot washing device |
| CN114837616A (en) * | 2022-06-10 | 2022-08-02 | 西南石油大学 | Heating device for prevent oil production well oil pipe wax deposition |
-
2017
- 2017-02-23 CN CN201720168065.6U patent/CN206468327U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761564A (en) * | 2017-02-23 | 2017-05-31 | 栾良辉 | Oil well dosing wax removal snaking hot washing device |
| CN114837616A (en) * | 2022-06-10 | 2022-08-02 | 西南石油大学 | Heating device for prevent oil production well oil pipe wax deposition |
| CN114837616B (en) * | 2022-06-10 | 2023-11-03 | 西南石油大学 | Heating device for prevent oil pipe wax deposition of oil production well |
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