CN114482925B - Oil well casing pressure dosing device - Google Patents
Oil well casing pressure dosing device Download PDFInfo
- Publication number
- CN114482925B CN114482925B CN202210121030.2A CN202210121030A CN114482925B CN 114482925 B CN114482925 B CN 114482925B CN 202210121030 A CN202210121030 A CN 202210121030A CN 114482925 B CN114482925 B CN 114482925B
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- sleeve
- bin
- pipe
- sealing ring
- ring frame
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- 239000003129 oil well Substances 0.000 title claims abstract description 25
- 239000003814 drug Substances 0.000 claims abstract description 87
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 229940079593 drug Drugs 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 238000012377 drug delivery Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 53
- 230000000087 stabilizing effect Effects 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 10
- 239000012495 reaction gas Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005246 galvanizing Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003208 petroleum Substances 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 30
- 239000007789 gas Substances 0.000 description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000001802 infusion Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003381 stabilizer 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting, e.g. eliminating, the deposition of paraffins or like substances
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/02—Equipment or details not covered by groups E21B15/00 - E21B40/00 in situ inhibition of corrosion in boreholes or wells
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of petroleum production matching, and particularly discloses an oil well casing pipe pressurized dosing device, which comprises: a sleeve; an oil pipe positioned in the sleeve; the bin body structure is arranged in the sleeve; the pressurized medicine supply device is arranged in the bin body structure; a mixing device disposed outside the sleeve; wherein, the pressurized drug delivery device comprises: the adjusting device is arranged outside the oil path pipe; at least two sets of dosing tube assemblies, dosing tube assemblies links to each other with adjusting device for cooperation adjusting device carries out the medicament area and presses and derive, and this device reasonable in design cooperates with dosing tube assemblies through adjusting device, realizes the quick leading-in of low resistance of inside dosing equipment, further improves the drug addition efficiency, simultaneously, and the bottom is provided with mixing arrangement, has improved the mixed effect of medicament and fluid, has further improved the dosing effect.
Description
Technical Field
The invention relates to the technical industry of petroleum production, in particular to a pressurized dosing device for an oil well casing.
Background
The oil well is accompanied with water production in the normal production process, the water content can gradually rise to cause scale formation and corrosion of underground pipes and rods in the middle and later stages of production, meanwhile, some difficult-to-use reserves are exploited, and some oil wells are abnormal in production or high in wellhead return pressure due to thick oil, wax precipitation and other reasons.
The Chinese patent with the application number of CN203891843U discloses a medicine adding device for a casing pipe of an oil well wellhead, which comprises a medicine adding box with a medicine adding port at the top and a liquid outlet at the bottom, and is characterized in that a control pipe with one end communicated with the outside atmosphere and the other end extending into the medicine adding box is inserted into the top of the medicine adding box, the control pipe is in sealing joint with the medicine adding box, and the length extending into the medicine adding box can be adjusted by the control pipe under the action of external force, so that the medicine adding continuity and stability are realized; application number CN107654214a discloses an automatic dosing device for oil well casing, comprising a dosing pump, a solution tank and a stirring tank; the dosing pump is connected with the inlet of the stirring tank through a first infusion pipeline, the solution tank is connected with the inlet of the stirring tank through a second infusion pipeline, and a first electromagnetic valve is arranged on the first infusion pipeline; a second electromagnetic valve is arranged on the second infusion pipeline; the outlet of the stirring tank is connected with a dosing pipeline. The controller is capable of controlling the opening and closing of the first electromagnetic valve and the second electromagnetic valve. Solves the problems that the dosage and the concentration of the medicament cannot be accurately controlled and the labor intensity is high when the medicament is added into the sleeve of the oil feeding well in the prior art;
however, when the medicine adding operation is carried out, a certain pressure exists between the existing medicine adding sleeve and the oil pipe, and when the medicine adding operation is carried out under pressure, the downward moving speed of the medicine adding part is too slow, and the efficiency is low, so that in order to solve the problem, the development of a more mature oil well sleeve medicine adding device under pressure is needed.
Disclosure of Invention
The invention aims to provide an oil well casing pipe pressurized dosing device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an oil well casing pressurized dosing device, the oil well casing pressurized dosing device comprising:
a sleeve;
an oil pipe positioned in the sleeve;
the bin body structure is arranged in the sleeve and used for multistage partition in the sleeve;
the pressurized medicine supply device is arranged in the bin body structure and is used for adding pressurized medicines;
the mixing device is arranged outside the sleeve and is used for being matched with the pressurized medicine supply device to mix medicine oil;
wherein, the pressurized drug delivery device comprises:
the adjusting device is arranged outside the oil path pipe and used for moving and adjusting an external component;
and the dosing tube assemblies are connected with the adjusting device and are used for guiding out the medicament under pressure in cooperation with the adjusting device.
Compared with the prior art, the invention has the beneficial effects that: this device reasonable in design through adjusting device and the cooperation of adding the pencil assembly, realizes that inside medicine equipment's low resistance is imported fast, further improves and adds the drug efficiency, simultaneously, the bottom is provided with mixing arrangement, has improved the mixed effect of medicament and fluid, has further improved the medicine effect, has improved the not enough of current device, has higher practicality and market prospect, is fit for using widely on a large scale.
Drawings
Fig. 1 is a schematic diagram of an internal connection structure of an oil well casing pressurized chemical feeding device according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an external connection structure of an oil well casing pressurized chemical feeding device according to an embodiment of the present invention.
Fig. 3 is a schematic view of a partial structure at a in fig. 1.
Fig. 4 is a schematic structural diagram of a transmission assembly in an oil well casing pressurized chemical feeding device according to an embodiment of the present invention.
In the figure: 1-sleeve, 2-oil pipe, 3-bin body structure, 4-pressurized medicine feeding device, 5-adjusting device, 6-medicine feeding pipe assembly, 7-communicating valve group, 8-medicine feeding assembly, 9-stabilizing assembly, 10-sealing valve, 11-oil jacket annular valve, 101-alloy reinforcing layer, 102-stabilizing table, 301-communicating bin, 302-adjusting bin, 303-buffering bin, 304-communicating groove, 501-first sealing ring frame, 502-fan, 503-first communicating valve, 504-first telescopic sleeve, 505-electromagnetic valve, 506-second communicating valve, 507-air duct, 508-transmitting assembly, 509-second sealing ring frame, 510-limiting cylinder frame, 511-limiting groove, 512-limiting rod, 601-fixing frame, 602-third sealing ring frame, 603-sliding rail, 604-connecting sliding seat, 605-conducting pipe, 606-second telescopic sleeve, 607-third communicating valve, 608-elastic adjusting frame, 801-bin, 802-liquid distributing plate, 803-electric roller shaft, 804-external rolling plate, 903-mixing liquid plate, 903-first stabilizing frame, second stabilizing frame, middle-setting frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An oil well casing pressurized dosing device, as shown in fig. 1, comprising: a sleeve 1; an oil pipe 2 positioned inside the sleeve 1; the bin body structure 3 is arranged in the sleeve 2 and used for multistage partition in the sleeve 1; the pressurized medicine supply device 4 is arranged inside the bin body structure 3 and is used for adding pressurized medicines; wherein the pressurized drug delivery device 4 comprises: an adjusting device 5, wherein the adjusting device 5 is arranged outside the oil path pipe 2 and is used for moving and adjusting an external component; and at least two groups of dosing tube assemblies 6, wherein the dosing tube assemblies 6 are connected with the adjusting device 5 and are used for guiding out the medicament under pressure by matching with the adjusting device 5.
In one embodiment of the invention:
as shown in fig. 1, the bin body structure 3 includes: the communication bin 301 is arranged at the bottom of the sleeve 1 and is used for collecting and storing external reaction gases; the regulating bin 302 is arranged outside the communicating bin 301 and is used for guiding and storing reaction gases; the surge bin 303 is arranged outside the adjusting bin 302 and is used for carrying out feedback adjustment in cooperation with the adjusting bin 302; the telescopic communicating grooves 304 are arranged outside the sleeve 1 and are used for communicating and limiting the dosing tube assembly 6;
the lengths of the communicating bin 301, the adjusting bin 302 and the buffer bin 303 are not limited to the lengths shown in the figure, the lengths of the sleeve 1 and the oil-way pipe 2 can be matched according to the actual well depth, the communicating bin 301 is communicated with the oil layer at the bottom of the well, the communicating bin 301 is filled with reaction gas generated by externally adding medicament, and when the pressurized medicament supply device 4 operates, the capacity of the internal buffer bin 303 is changed under the change of air pressure.
In one embodiment of the invention:
as shown in fig. 1 and 3, the adjusting device 5 includes: a first sealing ring frame 501, wherein the first sealing ring frame 501 is arranged inside the adjustment bin 302; at least two fans 502, wherein the fans 502 are arranged outside the first sealing ring frame 501 and are used for collecting and introducing external reaction gases; the fan 502 is driven by electric power; a first communication valve 503 located outside the first sealing ring frame 501, for communicating the fan 502 with the inside of the first sealing ring frame 501; a first telescopic tube 504 located outside the fan 502 and used for being matched with the fan 502 to be communicated with the communication bin 301; a plurality of layers of sleeve pieces are arranged inside the first telescopic sleeve 504, so that long-distance telescopic adjustment can be performed; at least two solenoid valves 505, said solenoid valves 505 being arranged outside the first sealing ring frame 501; a second communication valve 506 located inside the first sealing ring frame 501, for communicating the electromagnetic valve 505 with the inside of the first sealing ring frame 501; an air duct 507 positioned outside the electromagnetic valve 505 for guiding out and discharging the reaction gas in the buffer bin 303 in a directional manner; the transmission assembly 508 is arranged outside the oil circuit pipe 2 and is used for being matched with the dosing pipe assembly 6 to carry out pneumatic adjustment;
when a large amount of reaction gas is gathered in the communicating bin 301 to carry out pressurized dosing, under the driving of the two fans 502, the gas in the communicating bin 301 is led into the top buffering bin 303 through the first telescopic tube 504 connected with the two fans, after the gas is led into the buffering bin 303, the electromagnetic valves 505 arranged on two sides are used for carrying out the air pressure regulation control in the regulating bin 302, and the gas in the buffering bin 303 can be led out into the regulating bin 302 through the two air guide pipes 507.
In one embodiment of the invention:
the transmission assembly 508 includes: a second seal ring holder 509, the second seal ring holder 509 being disposed outside the oil pipe 2; inside the sleeve 1 there is provided a connecting chute (not shown in the figures) for the limited movement of the second sealing ring 509; a limiting cylinder frame 510 positioned inside the second sealing ring frame 509 and used for limiting connection of the oil pipe 2; the limiting grooves 511 are arranged inside the second sealing ring frame 509 and are used for limiting and communicating external components; at least four stopper rods 512, the stopper rods 512 being external to the second sealing ring frame 509;
when the two air ducts 507 in the regulating bin 302 are exhausted, the air pressure in the regulating bin 302 is increased, the second sealing ring frame 509 longitudinally moves downwards in the sleeve 1 to drive the medicine adding pipe assembly 6 connected with the second sealing ring frame to longitudinally stretch and retract, then the medicine adding pipe assembly 6 is communicated with the communicating groove 304 at the corresponding position of the bottom, internal medicine is introduced into oil to finish medicine adding, and the middle limiting statistics 510 and the bottom four limiting rods 512 longitudinally move along the middle oil path pipe 2;
in addition, the telescopic pipe fitting can replace the adjusting device 5, and the adjusting device 5 changes the local air pressure of the gap between the sleeve 1 and the oil-way pipe 2, so that the resistance born by the pipeline during moving adjustment is smaller, and the liquid medicine introduction rate is further improved.
In one embodiment of the invention:
as shown in fig. 1, the dosing tube assembly 6 includes: at least two fixing frames 601, wherein the fixing frames 601 are arranged inside the surge bin 303 and are used for connecting and fixing external pipes; a third sealing ring frame 602 located inside the surge bin 303 and used for adjusting and driving the pressure inside the surge bin 303; at least two groups of slide rails 603, wherein the slide rails 603 are arranged inside the buffer bin 303 and used for sliding limiting of external components; a connecting slide 604 located outside the slide track 603 for sliding connection of the third seal ring frame 602; the sliding seat 604 is connected with the sliding rail 603 in a sealing contact manner; the conduction pipe 605 is connected with the third sealing ring frame 602 and is used for introducing and communicating liquid medicine; a second telescopic tube 606, wherein the second telescopic tube 606 is connected with the conducting tube 605 through the first sealing ring frame 501; the second telescopic tube 606 can also perform long-distance telescopic adjustment; a third communication valve 607 outside the second telescopic tube 606 for guiding out control of the medicament addition; the third communication valve 607 adopts a solenoid valve; an elastic adjusting frame 608, wherein the elastic adjusting frame 608 is arranged outside the third sealing ring frame 602 and is used for elastic compensation of the third sealing ring frame 602;
when the transmission assembly 508 moves downwards, the second telescopic tube 606 connected with the transmission assembly moves along with the transmission assembly, the third communication valve 607 at the bottom is driven to move into the communication groove 304, then the third communication valve 607 is opened to guide out the medicament in the tube to the outside, the elastic adjusting frame 608 arranged in the buffer bin 303 can carry out the movement elastic limit of the third sealing ring frame 602, and meanwhile, a plurality of groups of air pressure sensors are arranged in the bin body structure 3, so that the adjustment and control among the components are facilitated.
In one embodiment of the invention:
as shown in fig. 1 to 2, the oil well casing pressurized chemical adding device further comprises: the medicine feeding assembly 8 is arranged outside the medicine feeding tube assembly 6 and is used for mixing and adding various medicines; a stabilizing assembly 9, wherein the stabilizing assembly 9 is arranged outside the sleeve 1 and is used for stabilizing and fixing various positions of the sleeve 1; the medicine can be mixed and added into the medicine feeding assembly 8, and then the medicine is poured into the medicine feeding tube assembly 6 after being mixed by the internal mixing piece; in order to prevent the sleeve 1 from moving in the use process, the stabilizing component 9 is arranged outside, and can limit and fix the bottom of the top of the outer side of the sleeve, so that the use stability of the sleeve 1 and the connecting component thereof is further improved.
In one embodiment of the invention:
as shown in fig. 1 to 2, the medicine feeding assembly 8 includes: the feed bin 801, the feed bin 801 links with the conduit 605; a liquid separation plate 802 positioned in the bin 801 for separating and separating different medicaments; the electric roll shaft 803 is positioned in the bin 801, and a shaft seat is further arranged outside the electric roll shaft 803; three liquid mixing plates 804, wherein the liquid mixing plates 804 are arranged outside the electric roller shafts 803 and are used for mixing and stirring different medicaments;
after different medicaments are led into the bin 801, the three external liquid mixing plates 804 are driven to rotate by the driving of the electric roller shafts 803 to mix the medicaments, and meanwhile, the bin 801 can be arranged in a sealing mode, so that gas medicaments can be conveniently led in.
In one embodiment of the invention:
as shown in fig. 2, the stabilizing assembly 9 includes: the external stabilizing frames 901 are arranged outside the sleeve 1 and used for positioning and fixing the sleeve 1; the first middle stabilizing frames 902 and the second middle stabilizing frames 903 are arranged outside the sleeve 1, and are used for reinforcing and fixing the sleeve 1;
when the sleeve 1 is initially fixed by sinking, the external plurality of external stabilizing frames 901 are convenient for fixing the installation position of the sleeve 1, and after the fixing is completed, the plurality of first middle stabilizing frames 902 and the second middle stabilizing frames 903 can play a role in reinforcing and fixing.
In one embodiment of the invention:
as shown in fig. 1 to 2, a sealing valve 10 is provided outside the oil pipe 2 for sealing connection of the oil pipe 2 to an external component.
In one embodiment of the invention:
as shown in fig. 1 to 2, a stabilizing table 102 is arranged outside the casing 1 and is used for longitudinally fixing the outside of the surface of the casing 1; the device is integrally fixed to a wellhead through an external stabilizer 102 for stable support and limiting.
In one embodiment of the invention:
a hot galvanizing coating is arranged outside the oil pipe 2 and used for corrosion prevention and protection of the outside of the oil pipe 2; crude oil is not corrosive, but impurities such as water, salt, sulfide, oxide and carbon dioxide are contained in an oil reservoir and petroleum production process, so that certain corrosiveness can be generated on the outside of the oil path pipe 2, and a hot dip galvanizing coating arranged on the outside can carry out corrosion prevention and protection on the oil path pipe 2, so that the service life of a pipeline is further prolonged.
In one embodiment of the invention:
and a communication valve group 7 is connected to the outside of the medicine feeding assembly 8.
In one embodiment of the invention:
an oil sleeve annulus valve 11 is installed outside the sleeve 1 in a communicating manner.
To sum up, this device is through adjusting device and the cooperation of adding the pencil assembly, realizes that inside dosing equipment's low resistance is leading-in fast, further improves and adds the drug efficiency, and simultaneously, the bottom is provided with mixing arrangement, has improved the mixed effect of medicament and fluid, has further improved the dosing effect.
The working principle of the invention is as follows: the lengths of the communicating bin 301, the adjusting bin 302 and the buffering bin 303 are not limited to the lengths shown in the figure, the lengths of the communicating bin 301, the sleeve 1 and the oil path pipe 2 can be matched according to the actual well depth, the communicating bin 301 is communicated with a well bottom oil layer, reaction gas generated by externally adding medicaments can fully fill the communicating bin 301, when the pressurized medicament feeding device 4 operates, the capacity of the internal buffering bin 303 can be changed along with the change of the gas pressure, when a large amount of reaction gas is gathered in the communicating bin 301 to carry out pressurized medicament feeding, the gas in the communicating bin 301 is led into the top buffering bin 303 through the first telescopic sleeve 504 connected with the internal buffering bin 502 under the driving of the internal two fans 502, after the gas is led into the internal buffering bin 303, the gas pressure in the adjusting bin 302 is regulated and controlled through the electromagnetic valves 505 arranged on two sides, the gas in the buffering bin 303 can be led out into the adjusting bin 302 through the two air ducts 507, when the two air ducts 507 in the regulating bin 302 exhaust, the air pressure in the regulating bin 302 increases, the second sealing ring frame 509 moves longitudinally downwards in the sleeve 1, a connecting chute (not shown in the figure) is arranged on the inner side of the sleeve 1, and is used for limiting movement of the second sealing ring frame 509, driving the dosing tube assembly 6 connected with the second sealing ring frame to longitudinally stretch and retract, then the dosing tube assembly 6 is communicated with the communicating groove 304 at the corresponding position of the bottom, the internal medicament is introduced into the oil to finish dosing, the middle limiting statistics 510 and the bottom four limiting rods 512 move longitudinally along the middle oil way pipe 2, the adjusting device 5 can replace the adjusting device 5 by telescopic pipes, the local air pressure of the gap between the sleeve 1 and the oil way pipe 2 is changed by the adjusting device 5, so that the resistance born by the pipeline during moving regulation is smaller, the liquid medicine introducing rate is further improved;
when the transmission assembly 508 moves downwards, the second telescopic tube 606 connected with the transmission assembly moves along with the transmission assembly, a plurality of layers of tube fittings are arranged inside the first telescopic tube 504 and the second telescopic tube 606, long-distance telescopic adjustment can be performed, the bottom third communication valve 607 is driven to move into the communication groove 304, then the third communication valve 607 is opened to guide out the medicament in the tube to the outside, the elastic adjusting frame 608 arranged inside the buffer bin 303 can perform the movement elastic limit of the third sealing ring frame 602, and meanwhile, a plurality of groups of air pressure sensors are arranged inside the bin body structure 3, so that the adjustment control among the components is facilitated;
the medicine can be mixed and added into the medicine feeding assembly 8, and then the medicine is poured into the medicine feeding tube assembly 6 after being mixed by the internal mixing piece; in order to prevent the sleeve 1 from moving in the use process, a stabilizing component 9 is arranged outside, the top and the bottom of the outer side of the sleeve can be limited and fixed, the use stability of the sleeve 1 and the connecting component thereof is further improved, when different medicaments are led into a bin 801, the three external liquid mixing plates 804 are driven to rotate by a motor roll shaft 803, and the medicaments are mixed, meanwhile, the bin 801 can be arranged in a sealing manner, so that the gas medicaments are led in, when the sleeve 1 is initially submerged and fixed, a plurality of external stabilizing frames 901 outside are convenient for fixing the installation position of the sleeve 1, and after the fixing is completed, a plurality of first middle stabilizing frames 902 and second middle stabilizing frames 903 can play a reinforcing and fixing effect;
when the sleeve 1 is used, the inside is provided with gas pressure, the external soil structure layer can generate certain geological movement, pressure can be formed on the outer wall of the sleeve 1, the alloy reinforcing layer 101 arranged outside the sleeve 1 can further improve the supporting strength and the service life of the sleeve 1, crude oil is not corrosive, but oil reservoir and petroleum production processes contain impurities such as water, salt, sulfide, oxide and carbon dioxide, certain corrosiveness can be generated outside the oil-way pipe 2, and a hot galvanizing coating arranged outside can carry out corrosion protection on the oil-way pipe 2, so that the service life of a pipeline is further improved.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a dosing device is pressed to oil well casing area, its characterized in that, oil well casing area presses dosing device includes:
a sleeve;
an oil pipe positioned in the sleeve;
the bin body structure is arranged in the sleeve and used for multistage partition in the sleeve;
the pressurized medicine supply device is arranged in the bin body structure and is used for adding pressurized medicines;
the mixing device is arranged outside the sleeve and is used for being matched with the pressurized medicine supply device to mix medicine oil;
wherein, the pressurized drug delivery device comprises: the adjusting device is arranged outside the oil path pipe and used for moving and adjusting an external component; the medicine adding pipe assemblies are connected with the adjusting device and are used for guiding out the medicines under pressure in cooperation with the adjusting device;
the bin body structure comprises:
the communication bin is arranged at the bottom of the sleeve and used for collecting and storing external reaction gas;
the regulating bin is arranged outside the communicating bin and used for guiding and storing the reaction gas;
the buffering bin is arranged outside the adjusting bin and is used for carrying out feedback adjustment in cooperation with the adjusting bin;
the telescopic communicating grooves are arranged outside the sleeve and used for communicating and limiting the dosing tube assembly;
the adjusting device comprises:
the first sealing ring frame is arranged in the adjusting bin;
the fans are arranged outside the first sealing ring frame and used for collecting and introducing external reaction gas;
the first communication valve is positioned outside the first sealing ring frame and is used for communicating the fan with the inside of the first sealing ring frame;
the first telescopic sleeve is positioned outside the fan and is used for being communicated with the communicating bin in cooperation with the fan;
at least two electromagnetic valves, which are arranged outside the first sealing ring frame;
the second communication valve is positioned in the first sealing ring frame and is used for communicating the electromagnetic valve with the inside of the first sealing ring frame;
the air duct is positioned outside the electromagnetic valve and is used for guiding out and discharging the reaction gas in the buffer bin in a directional manner;
the transmission assembly is arranged outside the oil circuit pipe and is used for being matched with the dosing pipe assembly to carry out pneumatic adjustment;
the transmission assembly includes:
the second sealing ring frame is arranged outside the oil path pipe;
the limiting cylinder frame is positioned in the second sealing ring frame and is used for limiting and connecting the oil path pipe;
the limiting grooves are arranged in the second sealing ring frame and used for limiting and communicating the external components;
the limiting rods are arranged outside the second sealing ring frame and used for limiting and fixing the oil way pipe and adjusting the bottom mixing device in a transmission way;
the dosing tube assembly includes:
the fixing frames are arranged inside the buffer bin and used for connecting and fixing external pipe fittings;
the third sealing ring frame is positioned in the buffer bin and is used for adjusting and driving the pressure in the buffer bin;
the sliding rails are arranged inside the buffer bin and used for limiting sliding of the external assembly;
the connecting sliding seat is positioned outside the sliding rail and used for sliding connection of the third sealing ring frame;
the conduction pipe is connected with the third sealing ring frame and used for guiding and communicating liquid medicine;
the second telescopic sleeve is connected with the conducting pipe through the first sealing ring frame;
the third communication valve is positioned outside the second telescopic tube and used for guiding out and controlling the addition of the medicament;
the elastic adjusting frame is arranged outside the third sealing ring frame and used for elastic compensation of the third sealing ring frame;
the oil well casing pressurized dosing device further comprises:
the medicine feeding assembly is arranged outside the medicine feeding tube assembly and used for mixing and adding various medicines;
the stabilizing component is arranged outside the sleeve and used for stabilizing and fixing various positions of the sleeve;
the medicine feeding assembly comprises:
the feed bin is connected with the conducting pipe;
the liquid separation plate is positioned in the storage bin and is used for separating and separating different medicaments;
the electric roll shaft is positioned in the storage bin;
the three liquid mixing plates are arranged outside the electric roll shaft and are used for mixing and stirring different medicaments;
the outside of the storage bin is connected with a communication valve group;
the stabilizing assembly includes:
the external stabilizing frames are arranged outside the sleeve and used for positioning and fixing the sleeve;
the first middle stabilizing frames and the second middle stabilizing frames are arranged outside the sleeve and used for reinforcing and fixing the sleeve.
2. The pressurized oil well casing pipe dosing device according to claim 1, wherein a sealing valve is arranged outside the oil path pipe and used for sealing connection of the oil path pipe and an external assembly.
3. The pressurized oil well casing pipe chemical feeding device according to claim 1, wherein an alloy reinforcing layer is arranged outside the casing pipe and used for further increasing the compressive strength of the inner side and the outer side of the casing pipe.
4. The pressurized oil well casing pipe dosing device according to claim 1, wherein a stabilizing table is arranged outside the casing pipe for longitudinal fixation outside the casing pipe surface.
5. The oil well casing pressurized dosing device according to claim 1, wherein a hot dip galvanizing coating is arranged on the outer portion of the oil way pipe for corrosion protection of the outer portion of the oil way pipe.
6. The pressurized oil well casing and chemical dosing apparatus according to claim 1, wherein an oil casing annulus valve is installed in communication with the outside of the casing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111200670 | 2021-11-19 | ||
| CN2021112006704 | 2021-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114482925A CN114482925A (en) | 2022-05-13 |
| CN114482925B true CN114482925B (en) | 2023-12-01 |
Family
ID=81477845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210121030.2A Active CN114482925B (en) | 2021-11-19 | 2022-02-09 | Oil well casing pressure dosing device |
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| CN114482925A (en) | 2022-05-13 |
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