CN114517670B - Well head filling device for thickened oil viscosity reducer - Google Patents
Well head filling device for thickened oil viscosity reducer Download PDFInfo
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- CN114517670B CN114517670B CN202210165251.XA CN202210165251A CN114517670B CN 114517670 B CN114517670 B CN 114517670B CN 202210165251 A CN202210165251 A CN 202210165251A CN 114517670 B CN114517670 B CN 114517670B
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- viscosity reducer
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- elastic membrane
- wall
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 239000002775 capsule Substances 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims description 48
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 13
- 210000003437 trachea Anatomy 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003208 petroleum Substances 0.000 abstract description 3
- 239000003814 drug Substances 0.000 description 28
- 239000003921 oil Substances 0.000 description 13
- 239000007788 liquid Substances 0.000 description 12
- 239000003129 oil well Substances 0.000 description 11
- 239000010779 crude oil Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 239000000084 colloidal system Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 238000010112 shell-mould casting Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Pipe Accessories (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of petroleum exploitation and discloses a thick oil viscosity reducer wellhead filling device, which comprises a bag making body, wherein a bag making cavity is arranged in the bag making body, a capsule outlet is communicated with the upper side of the bag making cavity, two groups of cooling bodies are arranged in the bag making cavity, the cooling bodies are provided with hemispherical cavities, the two groups of cooling bodies are mutually close to each other and can form spherical grooves, the upper side of the spherical grooves is communicated with the outside, a longitudinally distributed central pipe is arranged in the spherical grooves, a first elastic film is arranged on the outer side of the central pipe, a spherical shell space is formed between the expanded first elastic film and the spherical groove wall by arranging the central pipe, the first elastic film, the cooling bodies, the spherical grooves and the like, water is filled into the space, the spherical shell is formed by cooling, the viscosity reducer is filled into the spherical shell, a capsule for transportation is formed, and the viscosity reducer wrapped by the ice shell cannot be adhered on the pipe wall when falling in a pipeline, so that loss is reduced.
Description
Technical Field
The invention relates to the technical field of petroleum exploitation, in particular to a well head filling device for a thick oil viscosity reducer.
Background
The viscosity of the crude oil is greatly increased along with the reduction of the temperature, the flow is not facilitated, the exploitation difficulty is high, the viscosity reducer for the crude oil is used for converting the thick oil in the stratum from the water-in-oil emulsification state to the emulsification state taking water as an external phase by reducing the oil-water interfacial tension, the viscosity of the thick oil is greatly reduced, and the recovery ratio is obviously improved.
CN103132951a discloses a continuous dosing device for high-pressure wellhead, which comprises a plunger pump fixed on the wellhead through a pump fixing cylinder (10) and a bracket, and a sleeve dosing head (7) arranged on a sleeve of the high-pressure wellhead, wherein the plunger pump is communicated with a dosing box (4) through a suction pipeline (5), and the plunger pump is connected with the sleeve dosing head (7) through a discharge pipeline (6); the oil extraction polished rod (14) of the high-pressure wellhead is further provided with a pressing plate (1), the pressing plate (1) presses and drives a plunger adjusting rod (2) of the plunger pump to reciprocate, and dispersing agents in the dosing tank (4) enter the plunger pump through a suction pipeline (5) under the action of the plunger pump and then are input into a sleeve dosing head (7) through a discharge pipeline (6). By designing the high-pressure wellhead continuous dosing device, the 'drip' continuous and uninterrupted dosing of the high-colloid asphaltene-containing oil well is realized, and the aim of preventing and controlling the blockage of the well shaft by the colloid asphaltene of the oil well is fulfilled.
CN105625987a discloses an oilfield wellhead dosing metering device. The wellhead dosing metering device consists of a regulating valve, a stop valve, a blow-down valve, a funnel, a blow-down port, a sleeve, a medicine storage tank and a calibration column; wherein, the regulating valve, the calibration column and the stop valve are connected in series to the bottom of the medicine storage tank in sequence; the stop valve and the stop valve are connected with the upper end of the medicine storage tank; the medicine storage tank is connected with a medicine adding port funnel, and the sleeve is communicated with the stop valve; the bottom of the medicine storage tank is communicated with the sewage outlet through a sewage valve. The invention realizes the long-term, stable and continuous dosing of the medicament, can stably control the concentration of the medicament in the medium of the produced liquid, and realizes the optimal dosing effect. The automatic chemical adding technology of the wellhead adopts an automatic control technology, solves the problem of difficult on-site preparation of the scale inhibitor and the corrosion inhibitor, and meets the requirements of timing, quantitative and continuous chemical adding of the chemical agent wellhead.
CN112228009a discloses a continuous dosing device for wellhead and dosing method thereof, comprising a dosing tank body, wherein the dosing tank body is provided with a sealing cover, the two sealing rings are utilized for preliminary sealing, and meanwhile, the sealing grooves are arranged and sealing liquid is added into the sealing grooves for liquid sealing, so that a drug storage cavity is completely isolated from the external air environment, rapid invalidation of unused drugs is avoided, and the service life of the drugs is prolonged; through setting up medicine regulating part, medicine conduction pipe and rotation axis, utilize the resistance that the colloid mixture produced to make stirring blade take place to deflect to drive the medicine conduction pipe and take place to deflect, and then make medicine guiding hole and medicine guiding groove switch on, guide medicine from the medicine conduction pipe into the oil well, simultaneously according to the difference of colloid mixture viscosity, stirring blade's deflection angle also can change thereupon, realizes the automatic control to the medicine addition, has avoided blindly to annotate the medicine extravagant that the medicine leads to, has reduced manufacturing cost, has improved production efficiency.
CN104790912a discloses that an automatic dosing device and a dosing method for a wellhead of an oil well are provided, the automatic dosing device for a wellhead of an oil well comprises: a control panel; a programmable controller connected with the control panel; a medicine box; a water tank; the liquid injection pipeline is characterized in that the liquid outlet pipe of the medicine box and the liquid outlet pipe of the water tank are converged to an inlet of the liquid injection pipeline together, and an outlet of the liquid injection pipeline is connected to an oil well wellhead; the medicine outlet electromagnetic valve is arranged on the medicine box liquid outlet pipe; the water outlet electromagnetic valve is arranged on the water outlet pipe of the water tank; the programmable controller is respectively connected with the medicine outlet electromagnetic valve and the water outlet electromagnetic valve. The dosing method comprises the following steps: filling water stored in the water tank to 30-70 liters into the oil well casing; 5-10 liters of liquid medicine is filled into the oil well casing through the medicine box, and 30-70 liters of water is filled into the casing through the water box. The invention changes artificial dosing into automatic dosing, thereby saving manpower.
The prior art that the crude oil viscosity reducer is injected into crude oil generally adopts a relatively simple direct injection method, and the method has two defects that firstly, the crude oil viscosity reducer is concentrated on the upper side of the crude oil and needs to be gradually diffused downwards, the efficiency is low, and secondly, the viscosity reducer is inevitably hung on the pipe wall, and if the pipe wall is deeper, the waste is larger, so that the invention provides a capsule type viscosity reducer injection method for solving the problems.
Disclosure of Invention
The invention aims to provide a thick oil viscosity reducer wellhead filling device which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme.
The invention discloses a thick oil viscosity reducer wellhead filling device, which comprises a bag making body, wherein a bag making cavity is arranged in the bag making body, a capsule outlet is communicated with the upper side of the bag making cavity, two groups of cooling bodies are arranged in the bag making cavity, the cooling bodies are provided with hemispherical cavities, the two groups of cooling bodies are mutually close to each other and can form a spherical groove, the upper side of the spherical groove is communicated with the outside and is provided with an outlet, a longitudinally distributed central pipe is arranged in the spherical groove, a first elastic film is arranged on the outer side of the central pipe, a first cavity is formed between the first elastic film and the central pipe in a sealing mode, the first elastic film and the second elastic film are made of elastic materials, a water pipe, an injection pipe and an air pipe are arranged in the central pipe, the air pipe is communicated with the first cavity and is provided with a second switch, the water pipe and the injection pipe extend to the lower end of the central pipe, the water pipe, the injection pipe is communicated with the spherical groove, and the wall of the spherical groove is provided with a refrigeration pipe.
According to a further technical scheme, a layer of wall elastic membrane is arranged on the hemispherical cavity wall of the cooling body, the wall elastic membrane has elasticity, and a movable cavity is formed between the wall elastic membrane and the wall of the cooling body.
According to a further technical scheme, a disengaging air pump is arranged on the wall body of the cooling body, and the disengaging air pump is communicated with the movable cavity.
Further technical scheme, the center tube outside is equipped with the second elastic membrane, the second elastic membrane is located first elastic membrane upside, the second elastic membrane with seal between the center tube forms the second chamber, the trachea with the intercommunication is equipped with first switch between the second chamber, the second elastic membrane is inflated and is blocked up the export.
According to a further technical scheme, an electric guide rail is arranged on the upper side wall body of the bag making cavity, and a sliding block of the electric guide rail is connected with the cooling body.
Further technical scheme, center tube upside intercommunication is equipped with the connecting pipe, it is equipped with through the groove to run through from top to bottom to make bag body upside intermediate position, it is located to make bag body upside the both sides of passing through the groove are equipped with the lift telescopic link, the axle of lift telescopic link is equipped with the extension frame, the extension frame with the connecting pipe is connected.
Further technical scheme, connecting pipe upside intercommunication is equipped with the flexible pipe, including in the flexible pipe the trachea the water pipe the injection pipe, the trachea intercommunication is equipped with the air pump, the water pipe intercommunication is equipped with the water pump the injection pipe intercommunication is equipped with the viscosity reducer syringe.
According to a further technical scheme, the outer side of the bag making body is provided with a mounting flange, and the outer side wall of the bag making body is provided with threads.
According to a further technical scheme, a refrigerating head is arranged at the lower end of the central tube.
The invention has the beneficial effects that:
according to the device for filling the thick oil viscosity reducer wellhead, the central pipe, the first elastic membrane, the cooling body, the spherical groove and the like are arranged, a spherical shell space is formed between the expanded first elastic membrane and the spherical groove wall, water is filled into the space, the spherical shell is formed by cooling, the viscosity reducer is filled into the spherical shell to form a capsule for transportation, the viscosity reducer wrapped by the ice shell cannot be stuck on the pipe wall when falling in a pipeline, and loss is reduced.
Along with the whereabouts of capsule in the fluid, the ice shell melts gradually, because the degree of depth when the ice shell whereabouts of different thickness melts is different, through adjusting the degree of expansion of first elastic membrane, through controlling ice shell thickness, the capsule of multiunit different thickness falls into the oil well simultaneously, and the capsule can melt in the fluid of different depths to realized the purpose at the degree of depth simultaneously evenly diffusion viscosity reducer, improved the effect of reducing crude oil viscosity.
According to the device for filling the thick oil viscosity reducer wellhead, the wall elastic membrane is arranged on the wall body of the spherical groove, the movable cavity is formed between the wall elastic membrane and the wall body of the cooling body, the movable cavity is inflated, the wall elastic membrane is expanded, the wall elastic membrane is contacted with water, when the water is frozen, the air pump is separated from the movable cavity to suck air, the wall elastic membrane is separated from the ice surface, and the ice shell is separated from the wall body of the spherical groove.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 2;
FIG. 4 is an enlarged schematic view of the structure at C in FIG. 2;
fig. 5 is an enlarged schematic view of the structure of D in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.
The device for filling the thick oil viscosity reducer wellhead comprises a bag making body 11, a bag making cavity 12 is arranged in the bag making body 11, a capsule outlet 13 is communicated with the upper side of the bag making cavity 12, two groups of cooling bodies 20 are arranged in the bag making cavity 12, the cooling bodies 20 are provided with hemispherical cavities, the two groups of cooling bodies 20 are mutually close to each other and can form a spherical groove 22, an outlet 35 is communicated with the outside, a longitudinally distributed central tube 25 is arranged in the spherical groove 22, a first elastic membrane 26 is arranged on the outer side of the central tube 25, a first cavity 37 is formed between the first elastic membrane 26 and the central tube 25 in a sealing mode, the first elastic membrane 26 and the second elastic membrane 27 are made of elastic materials, a water pipe 28, an injection pipe 29 and an air pipe 30 are arranged in the central tube 25, the air pipe 30 is communicated with the first cavity 37, the water pipe 28 and the injection pipe 29 extend to the lower end of the central tube 25, the water pipe 28 and the injection pipe 29 are communicated with the spherical groove 22, and the wall of the spherical groove 22 is provided with a refrigerating pipe 21.
The device is arranged at the position of a petroleum wellhead, so that the central tube 25 is arranged in a vertical posture, in an initial state, two groups of cooling bodies 20 are combined and sealed to form a spherical groove 22, the central tube 25 is positioned in the spherical groove 22, a gas pipe 30 in the central tube 25 is filled with high-pressure gas, a first switch 31 is opened, the gas blows up a first elastic membrane 26, the first elastic membrane 26 is expanded, a water pipe 28 is filled with water, the water enters the spherical groove 22 through an opening at the lower side of the water pipe 28, the first elastic membrane 26 extrudes the water upwards until the water overflows to an exit opening 35, a spherical shell space is formed between the expanded first elastic membrane 26 and the wall body of the spherical groove 22, a cooling pipe 21 cools the cooling body 20, the water in the spherical shell space is cooled and solidified to form an ice shell with a cavity, after a certain time, the gas pipe 30 absorbs the gas, the first elastic membrane 26 is retracted, a viscosity reducer is injected into the ice shell cavity through an injection pipe 29, when the ice shell cavity is filled with the viscosity reducer, the central tube 25 moves upwards out of the ball-shaped groove 22 through the outlet 35, so that a capsule wrapped by the ice shell is formed, the two groups of cooling bodies 20 are mutually separated, the capsule is separated from the cooling bodies 20 and falls into an oil well through the capsule outlet 13, the viscosity reducer wrapped by the ice shell cannot be adhered to the tube wall when falling in a pipeline, the loss is reduced, on the other hand, as the capsule falls into the oil liquid, the ice shell is gradually melted, due to different depths when the ice shells with different thicknesses fall into melting, the expansion degree of the first elastic membrane 26 is adjusted, a plurality of groups of capsules with different thicknesses fall into the oil well simultaneously through controlling the thickness of the ice shell, and can be melted in the oil liquid with different depths, so that the purpose of uniformly diffusing the viscosity reducer in the depth direction is realized, and the effect of reducing the viscosity of crude oil is improved.
Preferably, the hemispherical cavity wall of the cooling body 20 is provided with a layer of wall elastic film 24, the wall elastic film 24 has elasticity, and a movable cavity 36 is formed between the wall elastic film 24 and the wall of the cooling body 20.
The movable cavity 36 is inflated, the wall elastic membrane 24 expands, the wall elastic membrane 24 is contacted with water, and when the water is frozen, the separation air pump 23 sucks air from the movable cavity 36, the wall elastic membrane 24 is separated from the ice surface, and the separation of the ice shell from the wall body of the ball-shaped groove 22 is facilitated.
Preferably, the wall of the cooling body 20 is provided with a disengaging air pump 23, and the disengaging air pump 23 is communicated with the movable cavity 36.
The disengaging air pump 23 is started, and the external air and the air in the movable cavity 36 can be exchanged to provide power, so that the volume of the air in the movable cavity 36 is controlled.
Preferably, a second elastic membrane 27 is arranged on the outer side of the central tube 25, the second elastic membrane 27 is positioned on the upper side of the first elastic membrane 26, a second cavity 38 is formed between the second elastic membrane 27 and the central tube 25 in a sealing mode, a first switch 31 is communicated between the air tube 30 and the second cavity 38, and the second elastic membrane 27 is inflated to block the outlet 35.
The air pipe 30 is ventilated, the first switch 31 is opened, air is supplemented into the second cavity 38, the second elastic membrane 27 expands to seal off the outlet 35, and after the ice shell in the spherical groove 22 is formed, the upper side of the ice shell forms an opening due to the existence of the second cavity 38, so that the central tube 25 can be conveniently withdrawn from the cavity of the ice shell through the opening on the upper side.
Preferably, an electric guide rail 19 is arranged on the upper side wall body of the capsule making cavity 12, and a sliding block of the electric guide rail 19 is connected with a cooling body 20.
The electric guide rail 19 is started, and the electric guide rail 19 drives the cooling bodies 20 to move, so that the power for transverse movement is provided for sealing or separating the two groups of cooling bodies 20.
Preferably, the connecting pipe 16 is communicated with the upper side of the central pipe 25, the passing groove 18 is vertically penetrated in the middle of the upper side of the bag making body 11, the lifting telescopic rods 14 are arranged on the two sides of the passing groove 18 on the upper side of the bag making body 11, the extending frame 15 is arranged on the shaft of the lifting telescopic rods 14, and the extending frame 15 is connected with the connecting pipe 16.
The lifting telescopic rod 14 stretches and contracts, the lifting telescopic rod 14 drives the connecting pipe 16 to move up and down through the extension frame 15, and the connecting pipe 16 drives the central pipe 25 to pass through the passing groove 18, so that power is provided for the central pipe 25 to be separated from the ice shell cavity.
Preferably, the upper side of the connecting pipe 16 is communicated with a flexible pipe 17, the flexible pipe 17 comprises an air pipe 30, a water pipe 28 and an injection pipe 29, the air pipe 30 is communicated with an air pump, the water pipe 28 is communicated with a water pump, and the injection pipe 29 is communicated with a viscosity reducer injector.
The air pump is ventilated to the second elastic membrane 27 or the first elastic membrane 26 through the air pipe 30, the volume of the first elastic membrane 26 or the second elastic membrane 27 is regulated, the water pump is used for injecting water into the spherical groove 22 through the water pipe 28 for ice shell molding materials, and the viscosity reducer injector is used for injecting in the ice shell cavity of the ice shell box through the injection pipe 29.
Preferably, the outer side of the bag making body 11 is provided with a mounting flange 10, and the outer side wall of the bag making body 11 is provided with threads.
The device is installed at the wellhead position by utilizing threads on the outer side of the bag making body 11, and the installation flange 10 plays a limiting role.
Preferably, the lower end of the central tube 25 is provided with a refrigeration head 39.
When the lower end of the central tube 25 moves upwardly out to the exit port 35, the refrigeration head 39 is activated to cure and seal the hole in the upper side of the ice shell.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (9)
1. The utility model provides a viscous crude viscosity reducer well head filling device, includes system bag body, its characterized in that: the capsule comprises a capsule body, and is characterized in that a capsule making cavity is arranged in the capsule making body, a capsule outlet is formed in the upper side of the capsule making cavity in a communicating manner, two groups of cooling bodies are arranged in the capsule making cavity, the cooling bodies are provided with hemispherical cavities, the two groups of cooling bodies are mutually close to each other and can form a spherical groove, an outlet is formed in the upper side of the spherical groove in a communicating manner, a longitudinally distributed central tube is arranged in the spherical groove, a first elastic membrane is arranged on the outer side of the central tube, a first cavity is formed between the first elastic membrane and the central tube in a sealing manner, a second elastic membrane is arranged on the outer side of the central tube, the first elastic membrane and the second elastic membrane are made of elastic materials, a water pipe, an injection tube and an air tube are arranged in the central tube, the air tube and the first cavity are communicated with each other, the water pipe and the injection tube extend to the lower end of the central tube, the injection tube is communicated with the spherical groove, and the wall of the spherical groove is provided with a refrigerating tube.
2. The thick oil viscosity reducer wellhead filling device of claim 1, wherein: the hemispherical cavity wall of the cooling body is provided with a layer of wall elastic film, the wall elastic film has elasticity, and a movable cavity is formed between the wall elastic film and the wall of the cooling body.
3. A thick oil viscosity reducer wellhead filling device as claimed in claim 2, wherein: the wall body of the cooling body is provided with a separation air pump which is communicated with the movable cavity.
4. The thick oil viscosity reducer wellhead filling device of claim 1, wherein: the second elastic membrane is positioned on the upper side of the first elastic membrane, a second cavity is formed between the second elastic membrane and the central tube in a sealing mode, a first switch is communicated between the air pipe and the second cavity, and the second elastic membrane is inflated to block the outlet.
5. The thick oil viscosity reducer wellhead filling device of claim 1, wherein: and an electric guide rail is arranged on the upper side wall body of the bag making cavity, and a sliding block of the electric guide rail is connected with the cooling body.
6. The thick oil viscosity reducer wellhead filling device of claim 1, wherein: the upper side of the central tube is communicated with a connecting pipe, a through groove is formed in the middle of the upper side of the bag making body in a penetrating mode, lifting telescopic rods are arranged on two sides of the through groove on the upper side of the bag making body, an extending frame is arranged on a shaft of each lifting telescopic rod, and the extending frame is connected with the connecting pipe.
7. The thickened oil viscosity reducer wellhead filling device of claim 6, wherein: the connecting pipe upside intercommunication is equipped with the flexible pipe, including in the flexible pipe the trachea the water pipe the injection pipe, the trachea intercommunication is equipped with the air pump, the water pipe intercommunication is equipped with the water pump the injection pipe intercommunication is equipped with the viscosity reducer syringe.
8. The thick oil viscosity reducer wellhead filling device of claim 1, wherein: the outer side of the bag making body is provided with a mounting flange, and the outer side wall of the bag making body is provided with threads.
9. The thick oil viscosity reducer wellhead filling device of claim 1, wherein: the lower end of the central tube is provided with a refrigeration head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165251.XA CN114517670B (en) | 2022-02-19 | 2022-02-19 | Well head filling device for thickened oil viscosity reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165251.XA CN114517670B (en) | 2022-02-19 | 2022-02-19 | Well head filling device for thickened oil viscosity reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114517670A CN114517670A (en) | 2022-05-20 |
| CN114517670B true CN114517670B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210165251.XA Active CN114517670B (en) | 2022-02-19 | 2022-02-19 | Well head filling device for thickened oil viscosity reducer |
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2022
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|---|---|---|---|---|
| US3527294A (en) * | 1968-10-24 | 1970-09-08 | Lockheed Aircraft Corp | Underwater exploration and completion system |
| US4646833A (en) * | 1985-12-23 | 1987-03-03 | Atlantic Richfield Company | Flooding to recover oil from subterranean formations and employing injection of hot, low-viscosity polymer solution that becomes more viscous than the oil out in the formation |
| CN101096590A (en) * | 2006-06-26 | 2008-01-02 | 普拉德研究及开发股份有限公司 | Compositions and methods of using same in producing heavy oil and bitumen |
| CN201007207Y (en) * | 2006-12-31 | 2008-01-16 | 天津港保税区鑫利达石油技术发展有限公司 | Gas preprocess device and negative pressure valve structure alarm thereof |
| CN203669848U (en) * | 2013-12-03 | 2014-06-25 | 中国航天科技集团公司烽火机械厂 | High-pressure chemical-agent filling skid-mounted equipment |
| CN206911156U (en) * | 2017-04-14 | 2018-01-23 | 中国石油化工股份有限公司 | A kind of well head medicine-adding blender |
| CN109681158A (en) * | 2019-03-04 | 2019-04-26 | 中国石油大学(华东) | A kind of device for carbon dioxide flooding oil tech |
| CN209908480U (en) * | 2019-05-22 | 2020-01-07 | 北京安德兴石油技术有限公司 | Be applied to viscosity reducer filling device of viscous crude well |
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