CN201401154Y - Self-operated dropping device - Google Patents
Self-operated dropping device Download PDFInfo
- Publication number
- CN201401154Y CN201401154Y CN2009200997965U CN200920099796U CN201401154Y CN 201401154 Y CN201401154 Y CN 201401154Y CN 2009200997965 U CN2009200997965 U CN 2009200997965U CN 200920099796 U CN200920099796 U CN 200920099796U CN 201401154 Y CN201401154 Y CN 201401154Y
- Authority
- CN
- China
- Prior art keywords
- valve
- pipeline
- jar
- self
- injection chamber
- Prior art date
- 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 - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 239000003814 drug Substances 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000004321 preservation Methods 0.000 claims abstract description 5
- 239000012895 dilution Substances 0.000 claims description 10
- 238000010790 dilution Methods 0.000 claims description 10
- 239000011490 mineral wool Substances 0.000 claims description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 abstract 4
- 238000005485 electric heating Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000003129 oil well Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001256 tonic effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 235000014347 soups Nutrition 0.000 description 2
- 241000282470 Canis latrans Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Jet Pumps And Other Pumps (AREA)
Abstract
A self-operated dropping device mainly resolves the problems that the existing drug-feeding devices require driving force, heat preservation devices and electric heating devices, have poor safety andreliability, and cause environment pollution. The self-operated dropping device is characterized in that a floating pot (2) is positioned inside a support pot (1); sealing rings (3) are fixed at the upper portion and the lower portion inside the support pot (1); the support pot (1) is divided into a drug injection chamber (4) and a hydraulic pressure chamber (5) through the sealing rings (3) and the floating pot (2); a drug-feeding port of the drug injection chamber (4) is communicated with a drug-feeding pump through a pipeline and a valve (6); a drug outlet of the drug injection chamber (4)is communicated with a wellhead casing pressure valve sequentially through a pipeline, a proportional valve (7), a switching valve (8), a check valve (9) and a cut-off valve (10); a water inlet of thehydraulic pressure chamber (5) is communicated with a water blending and inflow pipe (12) through the pipeline and the cut-off valve (10). The self-operated dropping device has the advantages of capability of requiring no driving force or heat preservation devices, good safety and reliability, and avoiding environmental pollution.
Description
Technical field:
The utility model relates to oil well used chemicals dosing plant, especially self-operated drop instillator in the oil recovery field, oil field.
Background technology:
In the oil recovery process of oil field,, make the oil well can not ordinary production and wellhead back pressure height because of well liquid composition causes tubing string, sucker rod, oil well pump and surface gathering and transferring pipeline wax deposition, fouling and corrosion.Need reach the purpose of wax control, antiscale, inhibition and viscosity reduction by the chemicals dosing plant chemical agent of in oil well casing, annotating in order to eliminate the problems referred to above.And present chemicals dosing plant also needs with the electric heater unit heating simultaneously because reasons in structure exists and needs power and attemperator, and security reliability difference and problem of environment pollution caused cause energy waste, are unfavorable for applying.
The utility model content:
Need power, attemperator and electric heater unit in order to overcome existing chemicals dosing plant, the deficiency of security reliability difference and contaminated environment, the utility model provides a kind of self-operated drop instillator, this self-operated drop instillator has the power of need not, attemperator and electric heater unit, utilize the water in the heat traced pipeline to heat, the characteristics that security reliability is good He free from environmental pollution.
The technical solution of the utility model is: this self-operated drop instillator comprises the support jar, support jar and be built-in with the buoyant tank that can fluctuate, on supporting in the jar, the bottom is fixed with and the contacted sealing ring of buoyant tank, support jar and be separated with injection chamber and hydraulic chamber by sealing ring and buoyant tank branch, support on the jar medicine outlet that is connected with the injection chamber is arranged respectively, dosing mouth and the water inlet that is connected with hydraulic chamber, the dosing mouth of injection chamber is connected with dosing pump by pipeline and valve, the medicine outlet of injection chamber passes through pipeline successively, proportional valve, switch valve, flap valve and stop valve are connected with the surface casing pressure valve, the water inlet of hydraulic chamber comes water pipe to be connected by pipeline and stop valve with the water mixing of well head, between switch valve and flap valve, pass through pipeline, dilution valves, stop valve and isolating valve, come water pipe to be connected with the well head water mixing, be connected with balance pipe in the buoyant tank by high-pressure hose between dilution valves and stop valve, there is balance pipe the buoyant tank lower end, supports under the jar and is connected with the emptying valve.
Support jar in the such scheme is outside equipped with the rock wool heat-preservation layer.
The utlity model has following beneficial effect: supporting jar built-in buoyant tank that can fluctuate owing to adopt, support jar inner seal ring and buoyant tank branch and be separated with injection chamber and hydraulic chamber, support a jar medicine outlet that upward is connected and pass through pipeline successively with the injection chamber, proportional valve, switch valve, flap valve and stop valve are connected with the surface casing pressure valve, supporting a jar dosing mouth that upward is connected with the injection chamber is connected with dosing pump by pipeline and valve, support and jar to go up the structure that the water inlet that is connected with hydraulic chamber comes water pipe to be connected by pipeline and stop valve and the water mixing of well head, utilize water mixing to come 60 degree heat hydraulic pressures of water pipe to promote buoyant tank, inject into well by the indoor soup of buoyant tank extruding injection again, so promptly solved dosing dynamical problem and dosing insulation problem, and be airtight operation, not only save the energy but also reached the purpose of safety and environmental protection.This self-operated drop instillator has the power of need not, attemperator and electric heater unit thus, the characteristics that security reliability is good He free from environmental pollution.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model.
1-supports jar, 2-buoyant tank, 3-sealing ring, 4-injection chamber, 5-hydraulic chamber, 6-valve among the figure, the 7-proportional valve, the 8-switch valve, the 9-flap valve, the 10-stop valve, 11-casing pressure valve, the 12-water mixing comes water pipe, the 13-dilution valves, 14-isolating valve,, 15-high-pressure hose, 16-balance pipe, 17-balance pipe, 18-emptying valve.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
By shown in Figure 1, this self-operated drop instillator comprises support jar 1, support jar 1 and be built-in with the buoyant tank 2 that can fluctuate, on supporting in the jar 1, the bottom is fixed with and buoyant tank 2 contacted sealing rings 3, support jar 1 and be separated with injection chamber 4 and hydraulic chamber 5 in 2 minutes by sealing ring 3 and buoyant tank, support on the jar 1 medicine outlet that is connected with injection chamber 4 is arranged respectively, dosing mouth and the water inlet that is connected with hydraulic chamber 5, the dosing mouth of injection chamber 4 is connected with dosing pump by pipeline and valve 6, the medicine outlet of injection chamber 4 passes through pipeline successively, proportional valve 7, switch valve 8, flap valve 9 and stop valve 10 are connected with surface casing pressure valve 11, the water inlet of hydraulic chamber 5 comes water pipe 12 to be connected by pipeline and stop valve 10 with the water mixing of well head, pass through pipeline at switch valve 8 and 9 on flap valve, dilution valves 13, stop valve 10 and isolating valve, 14 come water pipe 12 to be connected with the well head water mixing, 10 of dilution valves 13 and stop valves are connected with balance pipe 16 in the buoyant tank 2 by high-pressure hose 15, there is balance pipe 17 buoyant tank 2 lower ends, support jar and be connected with emptying valve 18 1 time, support jar 1 and be outside equipped with the rock wool heat-preservation layer.
During actual the use, dosing or tonic operating process are communicated with by pipeline and valve 6 dosing pump with the dosing mouth of injection chamber 4, open stop valve 10 on the medicine outlet of valve 6 and injection chamber 4, close flap valve 9, the pressure of dosing pump makes buoyant tank 2 descending greater than original annotation coyote hole 4 internal pressures, to directly under the pressure effect of dosing pump, buoyant tank 2 goes downwards to and supports at jar 1 end, medicine is filled it up with back shut off valve 6, and dismounting is dosing pump down, and dosing or tonic operation are finished.Open stop valve 10 on the medicine outlet of flap valve 9 and injection chamber 4, begin normal injection.
The injection process, shut off valve 6, isolating valve, 14 and emptying valve 18, open proportional valve 7, switch valve 8, flap valve 9, stop valve 10, dilution valves 13, stop valve 10 on 9 pipelines of switch valve 8 and flap valve, casing pressure valve 11 on stop valve 10 and the well head on the water inlet pipeline of hydraulic chamber 5, come 60 degree hot water of the 1.5-1.8 MPa pressure of water pipe 12 to enter hydraulic chamber 5 by water mixing, it is up to promote buoyant tank 2, injection chamber 4 smaller volume, soup is forced out, through proportional valve 7 and switch valve 8, with by the balance pipe under the buoyant tank 2 17, balance pipe 16, high-pressure hose 15, the hot water of dilution valves 13 and medicine dilution, form medicine liquid mixture, medicine liquid mixture is again through flap valve 9, stop valve 10 and casing pressure valve 11 enter well head, fall into the interior bottom of sleeve pipe by the medicine liquid mixture self gravitation, finish continuous injection process.
This self-operated drop instillator mainly adopts and supports the buoyant tank 2 that setting can fluctuate in jar 1, utilizes 60 degree hot water of 1.5-1.8 MPa pressure that water mixing comes water pipe 12 as power and thermal source, realizes that need not power is incubated airtight safety and environmental protection service requirement.And it is few to have an investment goods, and fault rate is little, saves the maintenance cost characteristics.And can need design big capacity injection chamber 4 by the user, prolong the tonic cycle.
Claims (2)
1, a kind of self-supporting drop instillator, comprise and support jar (1), it is characterized in that: support jar (1) and be built-in with the buoyant tank (2) that can fluctuate, on supporting in jar (1), the bottom is fixed with and the contacted sealing ring of buoyant tank (2) (3), support jar (1) and be separated with injection chamber (4) and hydraulic chamber (5) by sealing ring (3) and buoyant tank (2) branch, support on jar (1) medicine outlet that is connected with injection chamber (4) is arranged respectively, dosing mouth and the water inlet that is connected with hydraulic chamber (5), the dosing mouth of injection chamber (4) is connected with dosing pump by pipeline and valve (6), the medicine outlet of injection chamber (4) passes through pipeline successively, proportional valve (7), switch valve (8), flap valve (9) and stop valve (10) are connected with surface casing pressure valve (11), the water inlet of hydraulic chamber (5) comes water pipe (12) to be connected by pipeline and stop valve (10) with the water mixing of well head, between switch valve (8) and flap valve (9), pass through pipeline, dilution valves (13), stop valve (10) and isolating valve, (14) come water pipe (12) to be connected with the well head water mixing, be connected by the balance pipe (16) in high-pressure hose (15) and the buoyant tank (2) between dilution valves (13) and stop valve (10), there is balance pipe (17) buoyant tank (2) lower end, supports under jar (1) and is connected with emptying valve (18).
2, self-supporting drop instillator according to claim 1 is characterized in that: support jar (1) and be outside equipped with the rock wool heat-preservation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200997965U CN201401154Y (en) | 2009-05-07 | 2009-05-07 | Self-operated dropping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200997965U CN201401154Y (en) | 2009-05-07 | 2009-05-07 | Self-operated dropping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201401154Y true CN201401154Y (en) | 2010-02-10 |
Family
ID=41660954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200997965U Expired - Lifetime CN201401154Y (en) | 2009-05-07 | 2009-05-07 | Self-operated dropping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201401154Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555780B (en) * | 2009-05-07 | 2012-05-23 | 大庆摩恩达工程有限公司 | Self-operated drop instillator |
-
2009
- 2009-05-07 CN CN2009200997965U patent/CN201401154Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555780B (en) * | 2009-05-07 | 2012-05-23 | 大庆摩恩达工程有限公司 | Self-operated drop instillator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100210 Effective date of abandoning: 20090507 |