CN209444321U - Thick oil well bore viscosity reduction exempts from chemicals dosing plant on duty automatically - Google Patents

Abstract

The utility model discloses thick oil well bore viscosity reductions to exempt from chemicals dosing plant on duty automatically, including water tank, medicine storing pot, blender, it further include injection plunger pump, water filling plunger pump, the injection plunger pump intake connection medicine storing pot outlet, injection outlet of plunger pump connects drug pipeline, the water filling plunger pump intake connection water tank outlet, water filling outlet of plunger pump connection water outlet pipeline, the drug pipeline lower port, water outlet pipeline lower port connect blender entrance simultaneously.The utility model is applicable to carry out the viscous crude and super-viscous oil well of viscosity reducing, reduces viscosity of crude, increases mobility of the crude oil in pit shaft, reduces the production cost of thickened oil recovery.

Description

Thick oil well bore viscosity reduction exempts from chemicals dosing plant on duty automatically

Technical field

The utility model relates to oil well loading techniques field, specifically thick oil well bore viscosity reduction exempts from dosing dress on duty automatically It sets.

Background technique

As oil field development deepens continuously, conventional thin oil reserves are increasingly reduced, and viscous crude is got over as non-conventional oil resource To be more taken seriously.Viscous crude has special high viscosity and high-solidification point characteristic, has preferable flowing under reservoir conditions Property, pit shaft can be smoothly flowed into, but during Wellbore Flow, with the decline of temperature and the degassing of crude oil, viscosity of crude is anxious Increase severely and add, can even lose flowability when serious, therefore, the key of thickened oil recovery is using reasonable viscosity reducing measure.Mesh Preceding main viscosity reducing process both at home and abroad has: mixing light oil method, heating and chemical agent viscosity reduction method.The production of electric heating viscosity reduction technique Operating cost is high, and blending diluting oil technology is unable to satisfy technique requirement since some blocks do not have thin oil, therefore viscosity reducing is big Pit shaft is mostly used to add based on the chemical viscosity reduction of thinner.Current pit shaft adds the mode of thinner since dosage is small, mostly uses greatly Intermittent which is time-consuming and laborious in the way of the progress casing dropwise addition of dosing funnel, and adding consistency unevenness, and viscosity reduction is caused to be imitated Fruit is good or bad.

Application number: 201720468788.8 disclose a kind of new thick oil well Well head flow path dosing viscosity-falling unit, comprising: this Body, mixed liquor outlet tube, water mixing pipe, chemical feed pipe, quick coupling, water mixing flange, dosing flange, disposed thread, mixing head, sealing Pipe cap, medicament chamber, mixing chamber；Its ontology left end is equipped with the external screw thread being connected with sealing pipe cap, and right end is mixed equipped with circular tube shaped Liquid outlet tube, mixed liquor outlet tube right end head are equipped with quick coupling, and chamber body intermediate lands position is equipped with disposed thread, interior It sets screw thread and is connected with the external screw thread that mixing head is equipped with, chamber body is divided into medicament chamber and mixing chamber, medicament chamber lower part is equipped with Circular tube shaped chemical feed pipe with dosing flange, mixing chamber top are equipped with the circular tube shaped water mixing pipe with water mixing flange.The utility model peace At the sampling cock of Well head flow path, according to the base oil properties of oil well, reasonable dosage and watering quantity are determined, there is structure Simply, the technical characteristics such as simple installation, structurally reasonable, at low cost have good promotional value.

Application number: 201420465633.5 are related to a kind of thinner filling apparatus applied to heavy oil wells, including casing, set Pipe chemical feed pipe and the air release valve for casing being arranged on casing chemical feed pipe, middle position and the barometric pipe phase of casing chemical feed pipe Even, the top of barometric pipe is connected with grug feeding jar, and the bottom end of grug feeding jar is connected by drug discharging tube with the right end of casing chemical feed pipe, Regulating valve is provided on the drug discharging tube, and the top of grug feeding jar is respectively arranged with grug feeding jar vent valve and grug feeding jar dosing valve.This The filling apparatus of utility model realizes the dynamic filling of thinner, and a large amount of natural in oil well without bleeding off before filling Gas.

File disclosed above is all different in comparison with the present application.

Utility model content

The purpose of this utility model is to provide thick oil well bore viscosity reductions to exempt from chemicals dosing plant on duty automatically, is applicable to carry out The viscous crude and super-viscous oil well of viscosity reducing reduce viscosity of crude, increase mobility of the crude oil in pit shaft, reduce thickened oil recovery Production cost.

In order to achieve the above objectives, the utility model uses following technical solution, and thick oil well bore viscosity reduction is exempted from duty automatically Chemicals dosing plant, including water tank, medicine storing pot, blender further include injection plunger pump, water filling plunger pump, the injection plunger pump Entrance connects medicine storing pot outlet, and injection outlet of plunger pump connects drug pipeline, and the water filling plunger pump intake connection water tank goes out Mouthful, water filling outlet of plunger pump connection water outlet pipeline, the drug pipeline lower port, water outlet pipeline lower port connect blender simultaneously Entrance.

The medicine storing pot outlet, water tank outlet, drug pipeline, water outlet pipeline, blender outlet are mounted on switch valve Door.

Blender is set in the medicine storing pot, and the shaft of blender is connected to medicine storing pot upper end end cap central by bearing and opens If mounting hole in, medicine storing pot upper end is fixed with motor, and motor output end connects the upper end of the shaft of blender.

The medicine storing pot upper end opens up medicine feeding hole, and tooth connection wheel pump on pipeline is administered in medicine feeding hole connection administration pipeline.

Controlled valve is set on the administration pipeline.

The water tank upper end opens up inlet opening, and inlet opening connects water-supply line, connects solenoid valve on water-supply line.

Liquidometer is installed, the liquid level is calculated as electronic liquid level gauge, and electronic liquid level gauge has highest liquid level on the water tank Sensor and minimum liquid level sensor, highest liquid level sensor are electrically connected with the solenoid valve with minimum liquid level sensor.

The utility model has the advantages that compared with prior art

The utility model is applicable to carry out the viscous crude and super-viscous oil well of viscosity reducing, reduces viscosity of crude, increases former Mobility of the oil in pit shaft, reduces the production cost of thickened oil recovery.

Using the technique of double pump injection thinner and water, remove artificial continuously with liquid process, easy to operate, saving cost from.

Using the water in electronic liquid level gauge control water tank, when water shortage, adds automatically, saves artificial.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that the utility model thick oil well bore viscosity reduction exempts from chemicals dosing plant on duty automatically.

In figure: 1. medicine storing pots；2. water tank；3. gear pump；4. filling the water plunger pump；5. injection plunger pump；6. water-supply line； 7. pipeline is administered；8. blender；9. motor；10. blender；11. liquidometer；12. solenoid valve；13. valve；14. being discharged pipeline； 15. drug pipeline.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the utility model provides a kind of technical solution: thick oil well bore viscosity reduction exempts from chemicals dosing plant on duty automatically, It further include injection plunger pump 5, water filling plunger pump 4, the injection plunger pump intake including water tank 2, medicine storing pot 1, blender 10 Medicine storing pot outlet is connected, injection outlet of plunger pump connects drug pipeline 15, and the water filling plunger pump intake connection water tank exports, Outlet of plunger pump connection water outlet pipeline 14 is filled the water, the drug pipeline lower port, water outlet pipeline lower port connect be located at well simultaneously 10 entrance of blender in cylinder.

The medicine storing pot upper end opens up medicine feeding hole, and tooth connection wheel pump 3 on pipeline is administered in medicine feeding hole connection administration pipeline 7.

The medicine storing pot outlet, water tank outlet, drug pipeline, water outlet pipeline, blender outlet are mounted on switch valve Door.Controlled valve is set on the administration pipeline.

Blender 8 is set in the medicine storing pot, and the shaft of blender is connected to medicine storing pot upper end end cap central by bearing In the mounting hole opened up, medicine storing pot upper end is fixed with motor 9, and motor output end connects the upper end of the shaft of blender.One tank Body installation agitating device belongs to the ordinary skill in the art, and the utility model has only directlyed adopt this technical solution, as The improvement of the application.

The water tank upper end opens up inlet opening, and inlet opening connects water-supply line 6, connects solenoid valve 12 on water-supply line.

Liquidometer 11 is installed, the liquid level is calculated as electronic liquid level gauge, and electronic liquid level gauge has highest liquid on the water tank Level sensor and minimum liquid level sensor, highest liquid level sensor are electrically connected with the solenoid valve with minimum liquid level sensor.Electronics Liquidometer, solenoid valve itself are the prior art, directly buying installation, install electronic liquid level gauge on another tank body It is to belong to the prior art, the connection of electronic liquid level gauge and solenoid valve also belongs to the ordinary skill in the art, and the utility model is This technical solution is directlyed adopt, the improvement as the application.

From disclosing for sufficient angle, water tank, medicine storing pot can be fixed on the ground on cement level platform, injection column Plug pump 5, water filling plunger pump 4 can be fixed on bracket, and bracket fixes on the ground, and fixed form can be using bolt etc..

The above various pipelines generally use screw thread type to connect, that is, engagement thread connection, and directly welding can also certainly No matter which kind of connection type used, belong to the protection scope of the application.

As shown in Figure 1, thick oil well bore viscosity reduction exempts from chemicals dosing plant on duty automatically, the viscosity reduction agent solution of high concentration passes through gear pump 3 inject medicine storing pot 1 through administration pipeline 7, motor 9 are started, after driving blender 8 to be uniformly mixed viscosity reduction agent solution, through small Constant flow pump 5 is discharged to drug pipeline 15 after preparing metering；Clear water passes through the water outlet pipeline 6 connecting with well, injects water tank 2 In, liquidometer 11 is installed, water-supply line 6 installs solenoid valve 12, and solenoid valve 12 and liquidometer 11 cooperate, and works as liquid on water tank 2 When position meter is in liquid level lower limit, solenoid valve is opened, and clear water flows into water tank, and when liquidometer is in the liquid level upper limit, solenoid valve is closed, Stop supplying water to water tank, remains the liquid level of water tank in liquidometer upper and lower ends by the cooperation of solenoid valve and liquidometer Between.Water tank lower part connects a biggish constant flow pump 4, and clear water is discharged to after the metering of constant flow pump 4 according to setting flow It is discharged pipeline 14.The thinner in clear water and drug pipeline 15 in water outlet pipeline 14 flows through blender 10, mixed through blender 10 Pit shaft is injected after closing uniformly, plays the role of viscosity reduction to the extraction crude oil in pit shaft.

In summary, application method includes: step 1, opens gear pump, and medicine storing pot is added in thinner and a small amount of water；Step Rapid 2. open blender, and the viscosity reduction agent solution in medicine storing pot is stirred evenly；Step 3, water-supply line switch is opened, adds water into storage Water pot；Step 4, big constant flow pump and small constant flow pump are opened, is pumped into viscosity reduction agent solution and water respectively, into well head.

In the description of the present invention, it should be understood that temporald eixis or positional relationship are based on the figure Orientation or positional relationship is merely for convenience of description the utility model, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. thick oil well bore viscosity reduction exempts from chemicals dosing plant on duty, including water tank, medicine storing pot, blender automatically, which is characterized in that also wrap Injection plunger pump, water filling plunger pump, the injection plunger pump intake connection medicine storing pot outlet are included, injection outlet of plunger pump connects out Pencil line, the water filling plunger pump intake connection water tank outlet, water filling outlet of plunger pump connection water outlet pipeline, the drug discharging tube Line lower port, water outlet pipeline lower port connect blender entrance simultaneously.

2. thick oil well bore viscosity reduction according to claim 1 exempts from chemicals dosing plant on duty automatically, which is characterized in that the medicine storing pot Outlet, water tank outlet, drug pipeline, water outlet pipeline, blender outlet are mounted on controlled valve.

3. thick oil well bore viscosity reduction according to claim 1 or 2 exempts from chemicals dosing plant on duty automatically, which is characterized in that the storage Blender is set in medicinal cupping, the shaft of blender is connected in the mounting hole that medicine storing pot upper end end cap central opens up by bearing, Medicine storing pot upper end is fixed with motor, and motor output end connects the upper end of the shaft of blender.

4. thick oil well bore viscosity reduction according to claim 1 or 2 exempts from chemicals dosing plant on duty automatically, which is characterized in that the storage Medicinal cupping upper end opens up medicine feeding hole, and tooth connection wheel pump on pipeline is administered in medicine feeding hole connection administration pipeline.

5. thick oil well bore viscosity reduction according to claim 4 exempts from chemicals dosing plant on duty automatically, which is characterized in that the delivery tube Controlled valve is set on line.

6. thick oil well bore viscosity reduction according to claim 1 or 2 exempts from chemicals dosing plant on duty automatically, which is characterized in that the storage Water pot upper end opens up inlet opening, and inlet opening connects water-supply line, connects solenoid valve on water-supply line.

7. thick oil well bore viscosity reduction according to claim 6 exempts from chemicals dosing plant on duty automatically, which is characterized in that the water tank Upper installation liquidometer, the liquid level are calculated as electronic liquid level gauge, and there is electronic liquid level gauge highest liquid level sensor and minimum liquid level to pass Sensor, highest liquid level sensor are electrically connected with the solenoid valve with minimum liquid level sensor.