CN114482925A - Oil well casing pipe belt pressure charge device - Google Patents
Oil well casing pipe belt pressure charge device Download PDFInfo
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- CN114482925A CN114482925A CN202210121030.2A CN202210121030A CN114482925A CN 114482925 A CN114482925 A CN 114482925A CN 202210121030 A CN202210121030 A CN 202210121030A CN 114482925 A CN114482925 A CN 114482925A
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- sleeve
- bin
- sealing ring
- oil
- ring frame
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- 239000003129 oil well Substances 0.000 title claims abstract description 32
- 239000003814 drug Substances 0.000 claims abstract description 87
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 50
- 238000004891 communication Methods 0.000 claims description 20
- 230000000087 stabilizing effect Effects 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000012495 reaction gas Substances 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 9
- 229940079593 drug Drugs 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 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
- 238000005192 partition Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000005536 corrosion prevention Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 238000001802 infusion Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 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
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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, limiting or eliminating the deposition of paraffins or like substances
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 under-pressure dosing device for an oil well casing, which comprises: a sleeve; the oil circuit pipe is positioned inside the sleeve; the bin body structure is arranged inside the sleeve; the pressurized medicine supply device is arranged in the bin body structure; a mixing device disposed outside the casing; wherein, the pressure supplies the medicine device to include: the adjusting device is arranged outside the oil pipeline; at least two sets of medicine pipe subassemblies that add, it links to each other with adjusting device to add the medicine pipe subassembly for cooperation adjusting device carries out the medicament and takes the pressure to derive, and this device reasonable in design realizes that inside charge equipment's low resistance is leading-in fast through adjusting device and the cooperation of adding the medicine pipe subassembly, further improves and adds medicine efficiency, and simultaneously, the bottom is provided with mixing arrangement, has improved the mixed effect of medicament with fluid, has further improved and has added medicine effect.
Description
Technical Field
The invention relates to the technical field of petroleum production, in particular to an under-pressure dosing device for an oil well casing.
Background
The oil well is accompanied by water in the normal production process, the water content gradually rises to cause scaling and corrosion of a down-hole pipe and a rod column when the production enters the middle and later stages, meanwhile, the problems that the production of the oil well is abnormal due to the production of some difficultly-used reserves and the oil well is abnormally produced or the back pressure of the well head is high due to the reasons of thick oil, wax deposition and the like exist in some oil wells are solved, various liquid medicaments need to be added into the oil well, so that the normal production of the oil well is maintained, and chemical medicaments such as paraffin removal agents, scale inhibitors, corrosion inhibitors and the like need to be added into many oil wells to perform corrosion prevention and scale prevention treatment on the shaft.
The application number is CN 203891843U's chinese patent discloses an oil well head sleeve pipe charge device, has the dosing tank that adds medicine mouth, bottom have the liquid outlet including the top, characterized in that the top of dosing tank is inserted and is equipped with that one end communicates with each other with outside atmosphere, the other end stretches into the inside control tube of dosing tank, the control tube with sealing joint just between the dosing tank the control tube can be adjusted under the exogenic action and stretch into the inside length of dosing tank has realized the continuation and the stability of adding medicine.
Application number CN107654214A discloses an oil well casing automatic dosing device, which comprises a dosing pump, a solution tank and a stirring tank; the dosing pump is connected with an 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 drug feeding pipeline. The controller can control the opening and closing of the first electromagnetic valve and the second electromagnetic valve. The problems that in the prior art, when the oil well casing is filled with chemicals, the dosage and the concentration of the chemicals cannot be accurately controlled, and the labor intensity is high are solved.
However, when the dosing operation is performed, a certain pressure exists between the existing dosing sleeve and the oil pipe, and when the dosing is performed under pressure, the dosing piece moves downwards at a too low speed, so that the efficiency is low, and therefore, in order to solve the problem, a more mature oil well sleeve pressure dosing device needs to be developed urgently.
Disclosure of Invention
The invention aims to provide an oil well casing under-pressure dosing device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an oil well casing area presses charge device, oil well casing area presses charge device includes:
a sleeve;
the oil circuit pipe is positioned inside the sleeve;
the bin body structure is arranged inside the sleeve and is used for multi-stage partition inside the sleeve;
the pressurized medicine supply device is arranged in the bin body structure and is used for adding the pressurized medicine;
the mixing device is arranged outside the sleeve and is used for matching with a pressurized medicine supply device to mix medicament oil;
wherein, the pressure supplies the medicine device to include:
the adjusting device is arranged outside the oil pipeline and used for moving and adjusting the external component;
and the medicine feeding pipe assemblies are connected with the adjusting device and are used for being matched with the adjusting device to guide out the medicine under pressure.
Compared with the prior art, the invention has the beneficial effects that: this device reasonable in design through adjusting device and the cooperation of dosing pipe subassembly, realizes that the low resistance of inside charge equipment is leading-in fast, further improves and adds medicine efficiency, and simultaneously, the bottom is provided with mixing arrangement, has improved the mixed effect of medicament with fluid, has further improved and has added 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 view of an internal connection structure of an oil well casing under-pressure chemical feeding device provided by an embodiment of the invention;
FIG. 2 is a schematic view of an external connection structure of an oil well casing under-pressure chemical feeding device provided by an embodiment of the invention;
FIG. 3 is a schematic view of a portion of the structure at A in FIG. 1;
FIG. 4 is a schematic structural diagram of a transmission assembly in an oil well casing under-pressure chemical feeding device provided by an embodiment of the invention;
in the figure:
1-casing pipe 2-oil line pipe
3-bin body structure
301-communicating bin 302-regulating bin
303-surge bin 304-communicating groove
4-pressurized medicine supply device
5-adjusting means
501-first seal ring frame 502-fan
503-first communication valve 504-first telescopic tube
505-solenoid valve 506-second communication valve
507-gas guide tube 508-transmission assembly
509-second sealing ring frame 510-limiting barrel frame
511-limiting groove 512-limiting rod
6-medicine feeding pipe assembly
601-fixed frame 602-third sealing ring frame
603-slide rail 604-connecting slide carriage
605-conducting pipe 606-second telescopic tube
607-third communicating valve 608-elastic adjusting bracket
7-communicating valve group
8-medicine feeding assembly
801-stock bin 802-liquid separating plate
803-electric roller shaft 804-liquid mixing plate
9-stabilizing assembly
901-external stabilizer 902-first middle stabilizer
903-second middle stabilizer
10-tight seal valve
101-alloy reinforcing layer 102-stabilizing table
11-oil-jacketed annular valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An oil well casing under-pressure chemical adding device is shown in figure 1, and comprises: a sleeve 1; an oil path pipe 2 positioned inside the casing 1; the bin body structure 3 is arranged inside the sleeve 2 and is used for multi-stage partition inside the sleeve 1; the pressurized medicine supply device 4 is arranged in the bin body structure 3 and is used for adding pressurized medicines; wherein, the pressure medicine supply device 4 includes: the adjusting device 5 is arranged outside the oil pipeline 2 and used for moving and adjusting external components; at least two sets of dosing pipe subassemblies 6, dosing pipe subassemblies 6 link to each other with adjusting device 5 for cooperate adjusting device 5 to carry out the medicament and press and lead out.
In one embodiment of the invention:
as shown in fig. 1, said cartridge body structure 3 comprises: the communication bin 301 is arranged at the bottom of the sleeve 1 and used for gathering and storing external reaction gas; the adjusting bin 302 is arranged outside the communicating bin 301 and used for introducing and storing reaction gas; the surge bin 303 is arranged outside the adjusting bin 302, and is used for being matched with the adjusting bin 302 to perform feedback adjustment; the telescopic communicating grooves 304 are arranged outside the sleeve 1 and used for communicating and limiting the dosing pipe assembly 6;
the length of the communication bin 301, the adjusting bin 302 and the buffer bin 303 is not limited to the length shown in the figure, the communication bin 301 and the well bottom oil liquid layer are communicated, the reaction gas generated by the externally added medicament can be filled in the communication bin 301, and when the pressure medicament supply device 4 operates, the capacity of the internal buffer bin 303 can be changed along with the change of air pressure.
In one embodiment of the invention:
as shown in fig. 1 and 4, the adjusting device 5 includes: the first sealing ring frame 501, wherein the first sealing ring frame 501 is arranged inside the conditioning bin 302; at least two fans 502, wherein the fans 502 are arranged outside the first sealing ring frame 501 and used for collecting and introducing external reaction gas; the pump 502 is driven by an electric motor; a first communication valve 503 located outside the first sealing ring frame 501 and used for communicating the fan 502 with the inside of the first sealing ring frame 501; a first telescopic sleeve 504 positioned outside the pump 502 and used for matching the pump 502 to communicate with the communicating bin 301; a plurality of layers of sleeve pieces are arranged in the first telescopic sleeve 504, and long-distance telescopic adjustment can be performed; at least two electromagnetic valves 505, wherein the electromagnetic valves 505 are arranged outside the first sealing ring frame 501; a second communication valve 506 positioned inside the first sealing ring frame 501 and used 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 and used for directional discharge of the reaction gas inside the buffer bin 303; the transmission assembly 508 is arranged outside the oil pipeline 2 and is used for being matched with the dosing pipe assembly 6 to carry out pneumatic adjustment;
when communicating the inside a large amount of reaction gas of gathering of storehouse 301 and taking pressure to add the medicine, under the drive of two inside fans 502, through the first telescope tube 504 of being connected with it, will communicate the inside gaseous leading-in to top surge bin 303 inside of storehouse 301, behind the inside leading-in gas of surge bin 303, the inside atmospheric pressure regulation control of storehouse 302 is adjusted to the solenoid valve 505 that the rethread both sides set up, and the inside gaseous accessible two air ducts 507 of surge bin 303 is derived to adjusting the storehouse 302 inside.
In one embodiment of the invention:
the transmission assembly 508 includes: a second seal ring frame 509, wherein the second seal ring frame 509 is arranged outside the oil pipeline 2; a connecting sliding groove (not shown in the figure) is arranged on the inner side of the sleeve 1 and used for limiting movement of the second sealing ring frame 509; a limiting cylinder frame 510 positioned inside the second sealing ring frame 509 and used for limiting connection of the oil pipeline 2; at least four limiting grooves 511, wherein 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 stop rods 512, the stop rods 512 being disposed outside the second seal ring mount 509;
when two air ducts 507 in the regulation bin 302 are used for exhausting air, the air pressure in the regulation bin 302 is increased, the second sealing ring frame 509 moves downwards and longitudinally in the sleeve 1 to drive the medicine feeding pipe assembly 6 connected with the second sealing ring frame to move in a longitudinal stretching mode, then the medicine feeding pipe assembly 6 is communicated with the communicating groove 304 in the corresponding position of the bottom, an internal medicine is guided into oil liquid, medicine feeding is completed, and the middle limiting statistics 510 and the four limiting rods 512 at the bottom move longitudinally along the middle oil line pipe 2;
in addition, the adjusting device 5 can be replaced by the telescopic pipe fitting, and the adjusting device 5 changes the local air pressure in the gap between the sleeve 1 and the oil pipeline 2, so that the resistance on the pipeline during movement adjustment is smaller, and the liquid medicine introducing speed is further improved.
In one embodiment of the invention:
as shown in fig. 1, the dosing tube assembly 6 includes: the fixing frames 601 are arranged inside the surge bin 303 and used for connecting and fixing external pipes; a third sealing ring frame 602 positioned inside the surge bin 303 and used for pressure regulation and driving inside the surge bin 303; the sliding rails 603 are arranged inside the buffer bin 303 and used for limiting the sliding of external components; a connecting slide seat 604 positioned outside the slide rail 603 and used 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; a conduction pipe 605, wherein the conduction pipe 605 is connected with the third sealing ring frame 602 and is used for leading in and communicating the liquid medicine; the second telescopic pipe 606 is connected with the conduction pipe 605 through the first sealing ring frame 501; the second telescopic tube 606 can also be adjusted in a long-distance telescopic manner; a third communication valve 607 located outside the second telescopic tube 606 for controlling the discharge of the drug; the third communication valve 607 is an electromagnetic 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 to drive the bottom third communicating valve 607 to move into the communicating groove 304, then the third communicating 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 elastic movement limiting 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 to facilitate the adjustment and control among the assemblies.
In one embodiment of the invention:
as shown in fig. 1 to 2, the oil well casing under-pressure dosing device further comprises: the medicine feeding assembly 8 is arranged outside the medicine feeding pipe assembly 6, and is used for mixing and adding a plurality of medicines; the stabilizing assembly 9 is arranged outside the sleeve 1, and is used for stably fixing all positions of the sleeve 1; various medicaments can be mixed and added into the medicament feeding component 8, and then the medicaments are mixed by an internal mixing part and poured into the medicament feeding pipe component 6; in order to prevent that sleeve pipe 1 from removing in the use, what externally set up has stabilizing assembly 9, can carry out spacing fixed to sleeve pipe outside top bottom, further improves sleeve pipe 1 and its coupling assembling's stability in use.
In one embodiment of the invention:
as shown in fig. 1 to 2, the bolus assembly 8 comprises: the storage bin 801 is connected with the conduction pipe 605; the liquid separating plate 802 is positioned inside the stock bin 801 and is used for separating and separating different medicaments; the electric roller shaft 803 is positioned in the storage bin 801, and a shaft seat is further arranged outside the electric roller shaft 803; at least one liquid mixing plate 804, wherein the liquid mixing plate 804 is arranged outside the electric roller shaft 803 and is used for mixing and stirring different medicaments;
after different medicaments are introduced into the bin 801, the three liquid mixing plates 804 outside are driven to rotate under the driving of the electric roller shaft 803, so that various medicaments are mixed, and meanwhile, the bin 801 can also be arranged in a sealing manner, so that the gas medicaments can be conveniently introduced into the bin in a sealing manner.
In one embodiment of the invention:
as shown in fig. 2, the stabilizing assembly 9 comprises: the external stabilizing frames 901 are arranged outside the sleeve 1 and used for positioning and fixing the sleeve 1; the first mid-placed stabilizing frames 902 and the second mid-placed stabilizing frames 903 are also arranged outside the sleeve 1 and used for reinforcing and fixing the sleeve 1;
when the casing 1 is primarily sunk and fixed, the external plurality of external stabilizing frames 901 are convenient for fixing the mounting position of the casing 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 tight-fitting valve 10 is provided outside the oil line pipe 2 to hermetically connect the oil line pipe 2 and an external component.
In one embodiment of the invention:
as shown in fig. 1 to 2, a stabilization platform 102 is arranged outside the casing 1 for longitudinal fixation outside the ground surface of the casing 1; the device is integrally fixed to the wellhead by an external stabilization table 102 for stable support and spacing.
In one embodiment of the invention:
a hot galvanizing coating is arranged outside the oil pipeline pipe 2 and is used for anticorrosion protection outside the oil pipeline pipe 2; the crude oil does not have corrosivity, but impurities such as water, salt, sulfide, oxide and carbon dioxide are contained in an oil reservoir and an oil production process, certain corrosivity can be generated outside the oil pipeline 2, a hot galvanizing coating arranged outside can perform anticorrosion protection on the oil pipeline 2, and the service life of the pipeline is further prolonged. A
In one embodiment of the invention:
and a communication valve group 7 is connected to the outside of the medicine inlet assembly 8.
In one embodiment of the invention:
an oil sleeve annular valve 11 is arranged outside the casing 1 in a communicating mode.
To sum up, this device passes through adjusting device and the cooperation of dosing pipe subassembly, realizes that the low resistance of inside medicine equipment is leading-in fast, further improves and adds medicine efficiency, and simultaneously, the bottom is provided with mixing arrangement, has improved the mixed effect of medicament with fluid, has further improved and has added medicine effect.
The working principle of the invention is as follows: the lengths of the communication bin 301, the adjusting bin 302 and the buffer bin 303 are not limited to the lengths shown in the figure, and can be matched and set according to the actual well depth, the length of the sleeve 1 and the length of the oil pipeline 2, the communication bin 301 is communicated with the oil-water layer of the well bottom, the communication bin 301 can be filled with reaction gas generated by adding medicament to the outside, when the pressurized medicament supply device 4 operates, the capacity of the internal buffer bin 303 changes along with the change of air pressure, when a large amount of reaction gas is gathered in the communication bin 301 to be pressurized, under the driving of the two internal fans 502, the gas in the communication bin 301 is led into the top buffer bin 303 through the first telescopic sleeve 504 connected with the internal fans, after the gas is led into the buffer bin 303, the air pressure adjusting control in the adjusting bin 302 is carried out through the electromagnetic valves 505 arranged on two sides, the gas in the buffer bin 303 can be led out to the adjusting bin 302 through the two air ducts 507, when the two air ducts 507 inside the conditioning chamber 302 are exhausted, the air pressure inside the conditioning chamber 302 is increased, the second sealing ring frame 509 moves downwards and longitudinally inside the sleeve 1, a connecting sliding groove (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 to drive the dosing pipe assembly 6 connected with the second sealing ring frame to longitudinally extend and retract, then the medicine feeding pipe assembly 6 is communicated with the communicating groove 304 at the corresponding position of the bottom, the internal medicine is led into the oil liquid, after the dosing is finished, the middle limiting statistics 510 and the four limiting rods 512 at the bottom move longitudinally along the middle oil line pipe 2, the adjusting device 5 can be replaced by a telescopic pipe fitting, the adjusting device 5 changes the local air pressure of the gap between the sleeve 1 and the oil circuit pipe 2, the resistance on the pipeline during movement adjustment is smaller, and the liquid medicine introducing speed 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, multiple layers of tube pieces are arranged inside the first telescopic tube 504 and the second telescopic tube 606, long-distance telescopic adjustment can be performed, the bottom third communicating valve 607 is driven to move into the communicating groove 304, then the third communicating valve 607 is opened, the medicine in the tube is led out to the outside, the elastic adjusting frame 608 arranged inside the buffer bin 303 can perform elastic movement limiting on the third sealing ring frame 602, and meanwhile, multiple groups of air pressure sensors are arranged inside the bin body structure 3, so that adjustment control among the assemblies is facilitated;
various medicaments can be mixed and added into the medicament feeding component 8, and then the medicaments are mixed by the inner mixing part and poured into the medicament feeding pipe component 6; in order to prevent the sleeve 1 from moving in the using process, the stabilizing component 9 is arranged outside and can limit and fix the top and the bottom of the outer side of the sleeve, so that the using stability of the sleeve 1 and the connecting component thereof is further improved, when different medicaments are introduced into the bin 801, the three outer liquid mixing plates 804 are driven to rotate under the drive of the electric roller shaft 803 to mix multiple medicaments, meanwhile, the bin 801 can also be arranged in a sealing manner to facilitate sealing during introduction of gas medicaments, when the sleeve 1 is preliminarily sunk and fixed, a plurality of external stabilizing frames 901 are convenient for fixing the mounting position of the sleeve 1, and after the fixing is completed, a plurality of first middle stabilizing frames 902 and a plurality of second middle stabilizing frames 903 can play a role in reinforcing and fixing;
when sleeve pipe 1 carries out the use, inside has gas pressure, outside soil texture layer can produce certain geology and remove, can be to sleeve pipe 1 outer wall formation pressure, the alloy strengthening layer 101 of sleeve pipe 1 outside setting can further improve sleeve pipe 1's support intensity and life, crude oil itself is not corrosivity, but contained like water in oil reservoir and the oil production process, salinity, the sulphide, the impurity of oxide and carbon dioxide class, can be to 2 outside certain corrosivity that produce of oil circuit pipe, the hot dip galvanizing coating of outside setting can carry out anticorrosive protection to oil circuit pipe 2, further improve pipeline life.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (14)
1. The utility model provides an oil well casing area presses charge device which characterized in that, oil well casing area presses charge device includes: a sleeve; the oil circuit pipe is positioned inside the sleeve; the bin body structure is arranged inside the sleeve and is used for multi-stage partition inside 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 matching with a pressurized medicine supply device to mix medicament oil;
wherein, the pressure supplies the medicine device to include: the adjusting device is arranged outside the oil pipeline and used for moving and adjusting the external component; and the medicine feeding pipe assemblies are connected with the adjusting device and are used for being matched with the adjusting device to guide out the medicine under pressure.
2. The oil well casing belt pressure medicating device of claim 1, wherein the cartridge body structure comprises:
the communicating bin is arranged at the bottom of the sleeve and used for gathering and storing external reaction gas;
the adjusting bin is arranged outside the communicating bin and used for guiding and storing reaction gas;
the buffer bin is arranged outside the adjusting bin and is used for being matched with the adjusting bin to perform feedback adjustment;
at least two communicating grooves, flexible communicating groove set up in the sleeve pipe outside for it is spacing to add the intercommunication of medicine pipe assembly.
3. The well casing belt pressure medicating device of claim 1, wherein the adjustment device comprises:
the first sealing ring frame is arranged inside 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 used for communicating the fan with the inside of the first sealing ring frame;
the first telescopic sleeve is positioned outside the pump and is used for being communicated with the communicating bin in a matching mode;
at least two electromagnetic valves arranged outside the first sealing ring frame;
the second communicating valve is positioned in the first sealing ring frame and used for communicating the electromagnetic valve with the first sealing ring frame;
the gas guide pipe is positioned outside the electromagnetic valve and used for directionally guiding out and discharging the reaction gas in the buffer bin;
the transmission assembly is arranged outside the oil pipeline and used for being matched with the dosing pipe assembly to perform pneumatic adjustment.
4. The well casing belt pressure medicating device of claim 1, wherein the transmission assembly comprises:
the second sealing ring frame is arranged outside the oil pipeline;
the limiting barrel frame is positioned in the second sealing ring frame and used for limiting and connecting the oil pipeline;
the limiting grooves are arranged in the second sealing ring frame and used for limiting and communicating the external components;
and the limiting rods are arranged outside the second sealing ring frame and used for limiting and fixing the oil pipeline and adjusting the transmission of the bottom mixing device.
5. The well casing belt pressure medicating device of claim 1, wherein the medicating tube assembly comprises:
the fixing frames are arranged inside the buffer bin and used for connecting and fixing external pipes;
the third sealing ring frame is positioned in the buffer bin and used for adjusting and driving the pressure in the buffer bin;
the sliding rails are arranged inside the buffer bin and used for limiting the sliding of the external component;
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 is used for leading in and communicating the liquid medicine;
the second telescopic sleeve is connected with the conduction pipe through the first sealing ring frame;
the third communication valve is positioned outside the second telescopic sleeve and used for controlling the leading-out of the addition of the medicament;
and the elastic adjusting frame is arranged outside the third sealing ring frame and used for elastic compensation of the third sealing ring frame.
6. The well casing under-pressure medicating device as defined in claim 1, further comprising:
the medicine feeding assembly is arranged outside the medicine feeding pipe assembly and used for mixing and adding a plurality of medicines;
the stabilizing assembly is arranged outside the sleeve and used for stably fixing all positions of the sleeve.
7. The well casing belt pressure medicating device of claim 7, wherein the medicating assembly comprises:
the storage bin is connected with the conduction pipe;
the liquid separation plate is positioned in the bin and used for separating and separating different medicaments;
the electric roller shaft is positioned in the bin;
at least one liquid mixing plate is arranged outside the electric roller shaft and used for mixing and stirring different medicaments.
8. The well casing belt pressure medicating device of claim 7, wherein the stabilizing assembly comprises:
the external stabilizing frames are arranged outside the sleeve and used for positioning and fixing the sleeve;
the first middle-placed stabilizing frames and the second middle-placed stabilizing frames are also arranged outside the sleeve and used for reinforcing and fixing the sleeve.
9. The oil well casing under-pressure chemical adding device according to claim 1, wherein a sealing valve is arranged outside the oil line pipe and used for sealing connection of the oil line pipe and an external component.
10. The oil well casing pressure chemical adding device according to claim 1, wherein an alloy reinforcing layer is arranged outside the casing for further increasing the internal and external compressive strength of the casing.
11. The oil well casing belt pressure chemical adding device according to claim 1, characterized in that a stabilizing platform is arranged outside the casing for longitudinal fixation outside the casing surface.
12. The oil well casing pipe pressure chemical feeding device according to claim 1, wherein a hot galvanizing coating is arranged outside the oil line pipe and used for corrosion prevention and protection outside the oil line pipe.
13. The oil well casing under-pressure dosing device according to claim 1, wherein a communication valve group is connected to the outside of the dosing assembly.
14. The oil well casing under-pressure chemical adding device according to claim 1, wherein an oil casing annulus valve is installed outside the casing in a communication mode.
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| CN2021112006704 | 2021-11-19 | ||
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Cited By (1)
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| CN116328585A (en) * | 2023-02-01 | 2023-06-27 | 南通华兴石油仪器有限公司 | A accuse cover presses charge device for oil well production is adjustable |
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