CN209242739U - It is sustained chemicals dosing plant - Google Patents
It is sustained chemicals dosing plant Download PDFInfo
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- CN209242739U CN209242739U CN201821755498.2U CN201821755498U CN209242739U CN 209242739 U CN209242739 U CN 209242739U CN 201821755498 U CN201821755498 U CN 201821755498U CN 209242739 U CN209242739 U CN 209242739U
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Abstract
The utility model relates to oilfield injection water sterilization technology fields, it is a kind of sustained release chemicals dosing plant, it includes the drug storage cylinder of all round closure, outer diameter is fixed in medicine-storing tube body less than drug storage cylinder internal diameter and the dosing cylinder of all round closure, be provided with water outlet on drug storage cylinder barrel above dosing cylinder, and the opposite drug storage cylinder barrel of water outlet on be provided with water inlet corresponding with dosing cylinder lower part；Through-hole is distributed in the barrel of dosing cylinder and top surface.This sustained release chemicals dosing plant can control the burst size of bromochloroin capsule, without additional dosing power, realize the function of slow release dosing under high pressure, guarantee that the slow-release bactericide concentration range value of injection water meets production needs in constant time period, to control well head bacterial regrowth, well head bacterium purpose up to standard is realized.
Description
Technical field
The utility model relates to oilfield injection water sterilization technology fields, are a kind of sustained release chemicals dosing plants.
Background technique
Oil-field flooding is an important measures in oil extraction process, and ring locating for the temperature and injection process filled the water
Border condition is suitble to the growth and breeding including all kinds of bacteriums such as aerobic bacteria and anaerobic bacterias.The growth and breeding of mushroom can aggravate to production
The corrosion of pipeline and equipment, corrosion product, thallus and its metabolin easily block stratum, damage the permeability of oil reservoir, injection water quality
Quality directly affect the length in exploitation period and the height of cost, 50% or more corrosion is drawn by bacterium in the production of oil field
It rises.Therefore, fungicide and effective method for disinfection measure play a crucial role during oil-field flooding.
In recent years, in oil-field flooding field, to prevent the harmful bacterias such as sulfate reducing bacteria from growing, what is be generally used is effective
Method is to add fungicide in water-injection station.Widely used in oil field flood pattern is non oxidizing bactericide, with quaternary ammonium salt
The cationics fungicide such as class is most commonly seen.Since the bacterium in water is generally negatively charged, cationic fungicide is alternative
It is adsorbed on phage surface, changes the physico-chemical property of cytoplasma membrane, somatic cells is made to lose activity；The hydrophobic part of fungicide then has
Have dissolution, damage phage surface fat wall function, breathe it can not, energy conversion, nutrition transport etc. functions to
Kill bacterium.
Currently, conventional waterflooding system is primarily present problem: farther out due to water-injection station to distance between water injection well, fungicide companion
With injection water in mesohigh waterflood-transmission line transmission process, along with the growth of bacterium, medicament is gradually used up, and concentration gradually drops
It is low, cause the amount of bacteria in well head injection water to increase, is easy to cause water injection well water quality not up to standard, and conventional waterflooding system exists
It can not continuous dosing under the conditions of middle high-pressure.
Summary of the invention
The utility model provides a kind of sustained release chemicals dosing plant, overcomes the defects of the prior art, and can effectively solve
Certainly water injection well conventional waterflooding system is easy to keep injection water quality not up to standard, under the conditions of middle high-pressure can not continuous dosing the problem of.
The technical solution of the utility model is realized by following measures: a kind of sustained release chemicals dosing plant, including surrounding
Closed drug storage cylinder is fixed with the dosing cylinder that outer diameter is less than drug storage cylinder internal diameter and all round closure in medicine-storing tube body,
It is provided with water outlet on drug storage cylinder barrel above dosing cylinder, is provided on the drug storage cylinder barrel opposite with water outlet
Water inlet corresponding with dosing cylinder lower part；Through-hole is distributed in the barrel of dosing cylinder and top surface.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
Above-mentioned water inlet is communicated with back with water inlet line, is communicated with water outlet pipeline in water outlet, in back with water inlet line and water outlet pipeline
Between be communicated with bypass line, by-passing valve is serially connected on bypass line, the back with water inlet line between water inlet and bypass line
It is serially connected with inlet valve, is serially connected with outlet valve on the water outlet pipeline between water outlet and bypass line.
The aperture of above-mentioned through-hole is greater than 1/10th of back with water inlet line internal diameter and is less than the half of back with water inlet line internal diameter；
Or/and half of the hole gross area not less than back with water inlet line area of passage and 1.5 no more than back with water inlet line area of passage
Times, the hole gross area is the sum of each via area.
The number at least two of above-mentioned drug storage cylinder, drug storage cylinder are connected in parallel by pipeline；Or/and in dosing cylinder
Body bottom outside is provided with screw thread, bottom is fixed in medicine-storing tube body be coupled with dosing cylinder body bottom outside screw in
Thread bush, dosing cylinder body bottom, which is threadably secured, to be mounted in inner screw sheath；Or/and on the outer tube wall of dosing cylinder between
Every the anti-sloshing baffles for being provided with outer ring surface and dosing cylinder inner tube wall offsets；Or/and the through-hole on dosing cylinder barrel uniformly divides
Cloth.
The upper port of above-mentioned drug storage cylinder is fixed with screwed flange disk, and screwed flange disk includes ring flange and blind flange, method
The lower part of blue disk is fixed in the upper port of drug storage cylinder, and blind flange and ring flange are fixedly mounted by fastener, in blind flange
On be provided with handle；Or/and openable cover is fixedly installed at the top of dosing cylinder, it is evenly equipped with through-hole on cover, in cylinder
It covers and is provided with handle.
This sustained release chemicals dosing plant can control the burst size of bromochloroin capsule, be not necessarily to additional dosing power, realize in height
The function of slow release dosing under the conditions of pressure guarantees that the slow-release bactericide concentration range value of injection water is full in constant time period
Foot production needs, to control well head bacterial regrowth, realizes well head bacterium purpose up to standard.
Detailed description of the invention
Attached drawing 1 is the process flow diagram of the utility model.
Attached drawing 2 is the main view broken section structural schematic diagram of drug storage cylinder and dosing cylinder.
Attached drawing 3 be in attached drawing 2 A-A to schematic cross-sectional view.
Coding in attached drawing is respectively as follows: 1 for drug storage cylinder, and 2 be dosing cylinder, and 3 are shorted for water inlet, and 4 is short for water outlet
It connects, 5 be back with water inlet line, and 6 be water outlet pipeline, and 7 be by-passing valve, and 8 be inlet valve, and 9 be outlet valve, and 10 be anti-sloshing baffles, and 11 be flange
Disk, 12 be blind flange, and 13 be handle, and 14 be bypass line.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.It is previously mentioned various chemical reagent and chemical article in the utility model unless otherwise specified, is
Public chemical reagent and chemical article in the prior art；Percentage in the utility model does not have specified otherwise such as,
For mass percent；Room temperature, room temperature in the utility model refer generally to 15 DEG C to 25 DEG C of temperature, are commonly defined as 25 DEG C.This
The middle pressure of utility model meaning is the pressure higher than normal pressure, and the pressure of high pressure is higher than middle pressure.The water injection well of the utility model meaning
Mouth end is Automatic water-filling well head extremely apart from one kilometer to ten kilometers of water injection well of range.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description 1
Butut direction determine.
The utility model is further described below with reference to embodiment:
As shown in attached drawing 1 to 3, the sustained release chemicals dosing plant, the drug storage cylinder 1 including all round closure, in drug storage cylinder 1 admittedly
There is outer diameter to be less than the dosing cylinder 2 of 1 internal diameter of drug storage cylinder and all round closure, 1 barrel of drug storage cylinder above dosing cylinder 2 surely
On be provided with water outlet, and opposite 1 barrel of drug storage cylinder of water outlet on be provided with water inlet corresponding with 2 lower part of dosing cylinder
Mouthful；Through-hole is distributed in the barrel of dosing cylinder 2 and top surface.
Under normal conditions, in water inlet, setting water inlet is shorted 3, is shorted 4 in water outlet setting water outlet.Herein logical
Hole is used as inlet opening and medicine outlet hole.
It in use, is directly serially connected with the outdoor oilfield injection water delivery pipe of water injection well end by this sustained release chemicals dosing plant
In road (i.e. water injection well waterflood-transmission line), it can also be serially connected with corresponding with injection well in the oil field distributing room for water injection of water injection well end
Injection water conveyance conduit in, the slow sustained release sterilization of existing known low water solubility, solution rate is filled in dosing cylinder 2
Agent, oil field injection water are entered in drug storage cylinder 1 by water inlet, and part oil field injects water and enters dosing cylinder by through-hole
In 2, since water inlet is under, water outlet is upper, and oil field injection water is middle high-pressure water, inject water in drug storage cylinder 1 from
The lower and upper upward cyclone water of formation eddy flow on the outside of dosing cylinder 2, impacts under the conditions of middle high-pressure by hydraulic cyclone,
Injection water constantly passes through the barrel of dosing cylinder 1 and the through-hole at the top of cylinder enters 2 pharmaceutical dissolution of dosing cylinder, not open close mistake this
The medicament of dissolution is discharged in a little through-holes, realizes slow-release bactericide slow release, and the part slow-release bactericide of dissolution is mixed in hydraulic cyclone
It closes under reaction, realizes that oilfield injection water is uniformly mixed with sustained release bactericidal agent, then injection water outlet pipe line is entered by water outlet
In, it is final to inject in water injection well in oil fields.
By being set to this sustained release chemicals dosing plant in the oilfield injection water conveyance conduit of water injection well end, and combine storage
The setting of cartridge body 1 and its intake-outlet, dosing cylinder 2 and its through-hole can make slow-release bactericide slowly and continued dissolution is released
It puts, guarantees that the injection water for entering injection well well head reaches water filling standard, i.e. guarantee enters the injection water bacteria of injection well well head not
It is exceeded.
In addition, this sustained release chemicals dosing plant is compared with conventional flood pattern, this sustained release chemicals dosing plant is placed in well head end, borrows
It helps injection water pressure and hydraulic cyclone effect to carry out continuous dosing sterilization, is not necessarily to additional dosing power (such as dosing pump etc.), solves
Conventional waterflooding system the middle high-pressure under the conditions of can not continuous dosing the problem of.
Using this sustained release chemicals dosing plant, continuous-stable dosing and meets wellhead of water injection well bacterial regrowth under high pressure and want
Under the premise of asking, install convenient；According to field test, a medicament is added, 1 month or more production and application period can be met
(according to injected water volume and the requirement of injection well well head bacterial regrowth, the dosage of dosing cylinder 2 is generally in 5mg/L to 15mg/
L).
This sustained release chemicals dosing plant it is applied widely, can be applicable to that oil field middle high-pressure water delivery, dosing is killed in the injecting process
Bacterium.This sustained release chemicals dosing plant is big in current oil-field flooding, water delivery field popularization and application foreground, while in petroleum, chemical industry, life
The fields such as production plumbing can also gradually promote.
In this sustained release chemicals dosing plant, the setting of inlet and outlet can make the injection water in drug storage cylinder 1 in dosing
2 outer wall of cylinder forms eddy flow, and by the position of inlet and outlet be arranged to left and right to it is corresponding when cannot make to inject water and form rotation
Stream, cannot effectively dissolve slow-release bactericide.
Above-mentioned sustained release chemicals dosing plant can be made further optimization and/or improvements according to actual needs:
As shown in Fig. 1, it is communicated with back with water inlet line 5 in water inlet, water outlet pipeline 6 is communicated in water outlet, in water inlet pipe
It is communicated with bypass line 14 between line 5 and water outlet pipeline 6, by-passing valve 7 is serially connected on bypass line 14, in water inlet and bypass
Back with water inlet line 5 between pipeline 14 is serially connected with inlet valve 8, concatenates on the water outlet pipeline 6 between water outlet and bypass line 14
There is outlet valve 9.
After the slow-release bactericide in dosing cylinder 2 is exhausted, by-passing valve 7 is first opened, turns off inlet valve 8 and water outlet
Valve 9 takes out dosing cylinder 2 out of drug storage cylinder 1, recharges slow-release bactericide, then dosing cylinder 2 is fixed on medicine-storing tube
In body 1, inlet valve 8 and outlet valve 9 are finally opened, closes by-passing valve 7, restores slow-release bactericide and is mixed into injection water sterilization process.
As needed, in order to keep the burst size of slow-release bactericide, guarantee that injection well well head water quality bacteria is up to standard, through-hole
Aperture is greater than 1/10th of 5 internal diameter of back with water inlet line and is less than the half of 5 internal diameter of back with water inlet line；The hole gross area be not less than into
The half of 5 area of passage of water pipeline and it is not more than 1.5 times of 5 area of passage of back with water inlet line, the hole gross area is each through-hole
The sum of area.
Through-hole is excessive or too small, it cannot be guaranteed that injection well well head water quality bacteria is up to standard.
According to actual needs, the number at least two of drug storage cylinder 1, drug storage cylinder 1 are connected in parallel by pipeline；Or/
With 2 bottom outside of dosing cylinder is provided with screw thread, bottom is fixed with and 2 bottom outside spiral shell of dosing cylinder in drug storage cylinder 1
The inner screw sheath that line is coupled, 2 bottom of dosing cylinder, which is threadably secured, to be mounted in inner screw sheath；Or/and such as attached drawing 2
Shown in 3, the anti-sloshing baffles 10 that outer ring surface and 2 inner tube wall of dosing cylinder offset are arranged at intervals on the outer tube wall of dosing cylinder 2；
Or/and through-hole is evenly arranged on 2 barrel of dosing cylinder.
The setting fixed by inner screw sheath of dosing cylinder 2, dosing cylinder 2 easy to disassemble.Since injection water is middle high-pressure
Water is arranged anti-sloshing baffles 10 by the outer tube wall in dosing cylinder 2, can prevent dosing cylinder 2 from shaking, and is unfavorable for guaranteeing sustained release sterilization
The dissolution slow release effect of agent.
As shown in Fig. 2, solid in the upper port of drug storage cylinder 1 for the ease of taking out dosing cylinder 2 out of drug storage cylinder 1
Surely there is screwed flange disk 11, screwed flange disk 11 includes ring flange 11 and blind flange 12, and the lower part of ring flange 11 is fixed on drug storage
In the upper port of cylinder 1, blind flange 12 and ring flange 11 are fixedly mounted by fastener, are provided with handle on blind flange 12
13；Or/and openable cover is fixedly installed at the top of dosing cylinder 2, it is evenly equipped with through-hole on cover, is arranged on cover
There is handle 13.Fastener is screw bolt and nut.
As shown in Fig. 1, unpowered using sustained release chemicals dosing plant progress oil field water injection wellhead end described in above-described embodiment
It is sustained method for disinfection, is carried out as follows: being provided with bromochloroin capsule in dosing cylinder 2, bromochloroin capsule will be housed
Dosing cylinder 2 be fixed in drug storage cylinder 1, drug storage cylinder 1 by back with water inlet line 5 and water outlet pipeline 6 is serially connected with water injection well note
In water pipeline, the injection water in water injection well waterflood-transmission line is entered in drug storage cylinder 1 by water inlet, the injection in drug storage cylinder 1
Water forms high pressure cyclone in 2 outer wall of dosing cylinder, and constantly impacts dissolution bromochloroin capsule by the through-hole of dosing cylinder 2,
The bromochloroin capsule of dissolution is mixed in injection water by hydraulic cyclone even action and forms sterilization injection water, sterilization injection
Water finally injects in water injection well.
This sustained release chemicals dosing plant can control the burst size of bromochloroin capsule, realize that slow release adds under high pressure
The function of medicine guarantees that the slow-release bactericide concentration range value of injection water meets production needs in constant time period, to control
Well head bacterial regrowth processed realizes well head bacterium purpose up to standard.
Compared with conventional flood pattern, this sustained release chemicals dosing plant proposes the side effectively sterilized in injection well well head end
Method is not necessarily to extra power, solves the problems, such as that conventional waterflooding system can not continuous dosing under the conditions of middle high-pressure.
This sustained release chemicals dosing plant is applied widely, can be applicable to oil field middle high-pressure water delivery, dosing in the injecting process,
It is big in current oil-field flooding, water delivery field popularization and application foreground, while in fields such as petroleum, chemical industry, life production plumbing
It can also gradually promote.
The above technical characteristic constitutes the embodiments of the present invention, can with stronger adaptability and implementation result
Increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (6)
1. a kind of sustained release chemicals dosing plant, it is characterised in that the drug storage cylinder including all round closure is fixed with outer in medicine-storing tube body
Diameter is less than the dosing cylinder of drug storage cylinder internal diameter and all round closure, is provided with out on the drug storage cylinder barrel above dosing cylinder
The mouth of a river, and the opposite drug storage cylinder barrel of water outlet on be provided with water inlet corresponding with dosing cylinder lower part；In dosing cylinder
Through-hole is distributed in the barrel of body and top surface.
2. sustained release chemicals dosing plant according to claim 1, it is characterised in that water inlet is communicated with back with water inlet line, in water outlet
It is communicated with water outlet pipeline, bypass line is communicated between back with water inlet line and water outlet pipeline, bypass is serially connected on bypass line
Valve, the back with water inlet line between water inlet and bypass line are serially connected with inlet valve, the water outlet between water outlet and bypass line
Outlet valve is serially connected on pipeline.
3. sustained release chemicals dosing plant according to claim 2, it is characterised in that the aperture of through-hole is greater than back with water inlet line internal diameter
1/10th and be less than back with water inlet line internal diameter half；Or/and the hole gross area is not less than the two of back with water inlet line area of passage
/ mono- and it is not more than 1.5 times of back with water inlet line area of passage, the hole gross area is the sum of each via area.
4. sustained release chemicals dosing plant according to claim 1 or 2 or 3, it is characterised in that the number of drug storage cylinder is at least two
A, drug storage cylinder is connected in parallel by pipeline；Or/and it is provided with screw thread on the outside of dosing cylinder body bottom, the bottom in medicine-storing tube body
Portion is fixed with the inner screw sheath being coupled with dosing cylinder body bottom outside screw, and dosing cylinder body bottom is threadably secured installation
In inner screw sheath；Or/and it is arranged at intervals with what outer ring surface offseted with dosing cylinder inner tube wall on the outer tube wall of dosing cylinder
Anti-sloshing baffles；Or/and the through-hole on dosing cylinder barrel is uniformly distributed.
5. sustained release chemicals dosing plant according to claim 1 or 2 or 3, it is characterised in that the upper port of drug storage cylinder is fixed with
Screwed flange disk, screwed flange disk include ring flange and blind flange, and the lower part of ring flange is fixed in the upper port of drug storage cylinder,
Blind flange and ring flange are fixedly mounted by fastener, and handle is provided on blind flange；Or/and it is solid at the top of dosing cylinder
Dingan County is equipped with openable cover, is evenly equipped with through-hole on cover, handle is provided on cover.
6. sustained release chemicals dosing plant according to claim 4, it is characterised in that the upper port of drug storage cylinder is fixed with screw thread method
Blue disk, screwed flange disk include ring flange and blind flange, and the lower part of ring flange is fixed in the upper port of drug storage cylinder, blind flange
It is fixedly mounted with ring flange by fastener, handle is provided on blind flange；Or/and it is fixedly mounted at the top of dosing cylinder
There is openable cover, is evenly equipped with through-hole on cover, handle is provided on cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821755498.2U CN209242739U (en) | 2018-10-29 | 2018-10-29 | It is sustained chemicals dosing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821755498.2U CN209242739U (en) | 2018-10-29 | 2018-10-29 | It is sustained chemicals dosing plant |
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| Publication Number | Publication Date |
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| CN209242739U true CN209242739U (en) | 2019-08-13 |
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ID=67526132
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| CN201821755498.2U Active CN209242739U (en) | 2018-10-29 | 2018-10-29 | It is sustained chemicals dosing plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399768A (en) * | 2018-10-29 | 2019-03-01 | 中国石油天然气集团有限公司 | It is sustained chemicals dosing plant and the unpowered sustained release method for disinfection in oil field water injection wellhead end |
-
2018
- 2018-10-29 CN CN201821755498.2U patent/CN209242739U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399768A (en) * | 2018-10-29 | 2019-03-01 | 中国石油天然气集团有限公司 | It is sustained chemicals dosing plant and the unpowered sustained release method for disinfection in oil field water injection wellhead end |
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