CN113513292B

CN113513292B - Foam conveying device for thin oil foam assisted oxygen reduction air drive

Info

Publication number: CN113513292B
Application number: CN202110519742.5A
Authority: CN
Inventors: 王亮亮; 王杰祥; 王腾飞; 柏宗宪; 陈毅
Original assignee: China University of Petroleum East China
Current assignee: China University of Petroleum East China
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-12-30
Anticipated expiration: 2041-05-13
Also published as: CN113513292A

Abstract

The application discloses supplementary oxygen reduction air of thin oil foam drives and uses foam conveyor, including bottom plate, outer barrel, interior barrel, vacuum layer, conveyer pipe, driving motor, drive shaft, stirring rake, bearing, dead lever, fixed gear, drive gear, gear circle, connecting rod, sleeve axle, stirring leaf, puddler, filling tube, connecting pipe, communicating pipe, control valve, flange, bin, landing leg, intake pipe, heat insulating board, heater, fixing base, pivot and gyro wheel. The foam mixing device can convey gas in the conveying process, and can ensure the mixing quality of the foam while conveying the foam through the gas; in the foam conveying process, the foam can be fully mixed, multi-stage stirring can be performed in the conveying pipe and the inner cylinder, and the quality of the foam is improved; can realize the storage of thin oil foam, whole device is convenient to be removed, can keep warm to the foam simultaneously, makes the foam can fully reflect with crude oil, is favorable to improving the effect of subtracting oxygen.

Description

Foam conveying device for thin oil foam auxiliary oxygen reduction air drive

Technical Field

The application relates to the technical field of foam conveying application, in particular to a foam conveying device for thin oil foam auxiliary oxygen reduction air flooding.

Background

The foam fluid is applied to oil fields, has been used for more than 40 years at home and abroad, the initial foam flooding aims at preventing the phenomenon of premature gas channeling caused by the low viscosity of gas injected, only simple treatment is carried out by adding an active agent aqueous solution, but in practice, the popularization and application of the foam flooding technology are hindered due to poor stability of conventional foam.

The thin oil foam is used for consumption of oxygen in an oil reservoir, air drive is formed, and then crude oil exploitation efficiency is improved, thin oil foam is required to be conveyed to the interior of an oil field in the thin oil foam auxiliary oxygen reduction air drive process, the thin oil foam can influence the displacement effect due to poor foam effect when being prepared, and meanwhile, a device for conveying a foaming agent is not easy to transfer and cannot be used in different oil wells. Therefore, the foam conveying device for the thin oil foam-assisted oxygen reduction air drive is provided for solving the problems.

Disclosure of Invention

The foam conveying device for the thin oil foam auxiliary oxygen reduction air drive is provided in the embodiment and used for solving the problem of poor displacement effect of the thin oil foam auxiliary air drive in the prior art.

According to one aspect of the application, a foam conveying device for thin oil foam auxiliary oxygen reduction air driving is provided, and comprises a bottom plate, an outer cylinder and an inner cylinder;

the bottom plate passes through heat insulating board and outer barrel fixed connection, the inside fixed mounting of outer barrel has interior barrel, the outside barrel is inside to run through fixedly with the conveyer pipe, outer barrel lateral wall fixed mounting has driving motor, driving motor output and drive shaft fixed connection, the drive shaft surface is equipped with the stirring rake, drive shaft one end fixedly connected with fixed gear, fixed gear is connected with the drive gear meshing, drive gear and gear circle meshing are connected, the gear circle passes through connecting rod and sleeve axle fixed connection, the sleeve axle surface is equipped with the stirring leaf, pass through puddler fixed connection between the sleeve axle.

Further, outer barrel and interior barrel all are cylindrical structure, be formed with the vacuum layer between outer barrel and the interior barrel, interior barrel bottom and heat insulating board fixed connection.

Further, outer barrel and interior barrel all run through fixedly with the filling tube, outer barrel and conveyer pipe intercommunication, the conveyer pipe extends to inside the barrel, the conveyer pipe surface is equipped with a plurality of sleeve axle.

Further, conveyer pipe one end is passed through pipeline and bin intercommunication, the bin bottom all is equipped with the landing leg all around, landing leg and bottom plate fixed connection.

Further, conveyer pipe surface rotates with the cover axle to be connected, the even rigid coupling in cover axle surface has a plurality of stirring leaf, the stirring leaf is located inside the barrel, through puddler fixed connection between the cover axle.

Furthermore, the inner wall of the outer cylinder body is rotationally connected with a transmission gear, the transmission gear and the fixed gear are both positioned in a gear ring, and a plurality of connecting rods are uniformly arranged between the gear ring and the sleeve shaft.

Furthermore, the inner wall of the conveying pipe is fixedly connected with a bearing through a fixing rod, the inside of the bearing is rotatably connected with one end of a driving shaft, and the other end of the driving shaft is rotatably connected with the outer barrel.

Further, outer barrel runs through fixedly with connecting pipe and communicating pipe respectively, the connecting pipe all runs through fixedly with the bottom plate with communicating pipe, the connecting pipe all extends to the bottom plate bottom with communicating pipe, all fixedly connected with control valve and flange bottom communicating pipe and connecting pipe.

Further, bottom plate bottom and fixing base fixed connection, the fixing base is inside to be connected with the pivot rotation, pivot tip and gyro wheel fixed connection.

Furthermore, the top surface of the bottom plate is fixedly connected with a heater, the heater is positioned in the heat insulation plate, and the heater corresponds to the inner cylinder.

Through the above-mentioned embodiment of this application, adopted the barrel to carry out the transport of foam, the problem that displacement effect is low when having solved the supplementary air of foam and driving, adopt outer barrel and interior barrel to carry out the transport that air drove and foam drove, can be simultaneously at the inside high-quality foaming agent that generates of barrel, can improve the effect of air drive, improve oil field exploitation efficiency, and can realize the heat preservation effect carrying out the foam transportation in-process, can fully carry out oxidation reaction with crude oil, improve exploitation efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is an overall perspective view of one embodiment of the present application;

FIG. 2 is a schematic front view of an embodiment of the present application;

FIG. 3 is a schematic side view of an embodiment of the present application at a sleeve axis;

FIG. 4 is a side view of a gear ring according to one embodiment of the present application;

FIG. 5 is a schematic side view of a connection tube according to an embodiment of the present disclosure;

FIG. 6 is a schematic side view of an embodiment of the present application.

In the figure: 1. the device comprises a bottom plate, 2, an outer cylinder, 3, an inner cylinder, 4, a vacuum layer, 5, a conveying pipe, 6, a driving motor, 7, a driving shaft, 8, a stirring paddle, 9, a bearing, 10, a fixing rod, 11, a fixed gear, 12, a transmission gear, 13, a gear ring, 14, a connecting rod, 15, a sleeve shaft, 16, a stirring blade, 17, a stirring rod, 18, a feeding pipe, 19, a connecting pipe, 20, a communicating pipe, 21, a control valve, 22, a connecting flange, 23, a storage box, 24, a supporting leg, 25, an air inlet pipe, 26, a heat insulation plate, 27, a heater, 28, a fixing seat, 29, a rotating shaft, 30 and a roller.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The monitoring device in this embodiment may be applied to various foam conveying devices, for example, the following foam conveying device is provided in this embodiment, and the foam conveying device in this embodiment may be used for the following foam conveying.

The device comprises a polymer foam generating mechanism for generating polymer foam, a sand filling pipe core simulating mechanism for simulating a thin-layer heavy oil reservoir core, a fluid injection mechanism for injecting saturated fluid into the polymer foam generating mechanism and the sand filling pipe core simulating mechanism, a produced fluid collecting mechanism for collecting produced fluid in the sand filling pipe core simulating mechanism, and a temperature control mechanism for controlling the temperature of the polymer foam generating mechanism and the temperature of the sand filling pipe core simulating mechanism; polymer foam generating mechanism includes the peristaltic pump and exports the foam generator of end intercommunication with the peristaltic pump, fill sand pipe rock core analog mechanism include with the sand filling pipe of foam generator output intercommunication and fill the quartz sand in filling the sand pipe, fill sand pipe input and be provided with the fluid inflow valve, fluid injection mechanism includes with fill sand pipe intercommunication first pipeline, with the second pipeline of peristaltic pump intercommunication, parallelly connected install on first pipeline be used for adorning the first intermediate container of water and be used for adorning the second intermediate container of viscous crude, parallelly connected install on the second pipeline be used for adorning the third intermediate container of polymer foaming liquid and be used for adorning carbon dioxide gas's fourth intermediate container, the inlet port of container in the middle of first intermediate container, the second and the third intermediate container is provided with first plunger pump, the peristaltic inlet port of container in the middle of the fourth is provided with second plunger pump, the outlet port of container in the middle of first intermediate container and the second communicates with the input of sand pipe, the outlet port of container in the middle of the third and the middle container of fourth and the input of pump.

Of course, the present embodiment can be used for other configurations of foam delivery devices. The following describes the foam conveying device according to an embodiment of the present application.

Referring to fig. 1-6, a foam conveying device for thin oil foam assisted oxygen reduction air drive comprises a bottom plate 1, an outer cylinder 2 and an inner cylinder 3;

bottom plate 1 passes through

heat insulating board

26 and 2 fixed connection of outer barrel, barrel 3 in the 2 inside fixed mounting of outer barrel, 2 inside and conveyer pipe 5 run through fixedly outer barrel, 2 lateral wall fixed mounting of outer barrel have driving

motor

6, 6 output of driving motor and 7 fixed connection of drive shaft, 7 surfaces of drive shaft are equipped with stirring rake 8, 7 one end fixedly connected with fixed gear 11 of drive shaft, fixed gear 11 is connected with the meshing of drive gear 12, drive gear 12 is connected with the meshing of gear circle 13, gear circle 13 passes through connecting rod 14 and sleeve shaft 15 fixed connection, sleeve shaft 15 surfaces is equipped with stirring leaf 16, through puddler 17 fixed connection between the sleeve shaft 15.

The outer cylinder body 2 and the inner cylinder body 3 are both cylindrical structures, a vacuum layer 4 is formed between the outer cylinder body 2 and the inner cylinder body 3, the bottom of the inner cylinder body 3 is fixedly connected with a heat insulation plate 26, and the vacuum layer 4 is arranged to reduce heat loss and enable foam to have a certain temperature to displace petroleum; the outer cylinder body 2 and the inner cylinder body 3 are fixedly penetrated through the feeding pipe 18, the outer cylinder body 2 is communicated with the conveying pipe 5, the conveying pipe 5 extends into the inner cylinder body 3, the surface of the conveying pipe 5 is provided with a plurality of sleeve shafts 15, the sleeve shafts 15 are used for rotating on the surface of the conveying pipe 5, and then the stirring blades 16 are driven to rotate, and the quality of foam is improved by matching with the stirring rod 17; one end of the conveying pipe 5 is communicated with a storage tank 23 through a pipeline, supporting legs 24 are arranged on the periphery of the bottom of the storage tank 23, the supporting legs 24 are fixedly connected with the bottom plate 1, and the storage tank 23 is used for storing thin oil foam, can move along with the device and is suitable for original displacement in oil wells at different positions; the surface of the conveying pipe 5 is rotatably connected with a sleeve shaft 15, a plurality of stirring blades 16 are uniformly and fixedly connected to the surface of the sleeve shaft 15, the stirring blades 16 are positioned in the inner cylinder 3, the sleeve shafts 15 are fixedly connected through stirring rods 17, and the sleeve shaft 15 is limited through the conveying pipe 5, so that the sleeve shafts 15 can simultaneously and stably rotate; the inner wall of the outer cylinder body 2 is rotationally connected with a transmission gear 12, the transmission gear 12 and the fixed gear 11 are both positioned in a gear ring 13, the transmission gear 12 and the gear ring 13 are used for driving the shaft 7 and the stirring blades 16 to rotate simultaneously, so that the foam mixing effect is improved, and a plurality of connecting rods 14 are uniformly arranged between the gear ring 13 and the sleeve shaft 15; the inner wall of the conveying pipe 5 is fixedly connected with a bearing 9 through a fixing rod 10, the inside of the bearing 9 is rotatably connected with one end of a driving shaft 7, the other end of the driving shaft 7 is rotatably connected with the outer barrel 2, and the bearing 9 is used for stably rotating the driving shaft 7, so that the foam mixing effect is improved; the outer cylinder body 2 is respectively fixedly penetrated with a connecting pipe 19 and a communicating pipe 20, the connecting pipe 19 and the communicating pipe 20 are fixedly penetrated with the bottom plate 1, the connecting pipe 19 and the communicating pipe 20 extend to the bottom of the bottom plate 1, the bottoms of the communicating pipe 20 and the connecting pipe 19 are fixedly connected with a control valve 21 and a connecting flange 22, and the connecting pipe 19 and the communicating pipe 20 are respectively used for conveying air and foam to realize the alternate execution of air driving and foam driving; the bottom of the bottom plate 1 is fixedly connected with a fixed seat 28, the inside of the fixed seat 28 is rotatably connected with a rotating shaft 29, the end part of the rotating shaft 29 is fixedly connected with a roller 30, and the fixed shaft 28 is used for rotating the rotating shaft 29 to realize the movement of the device; the top surface of the bottom plate 1 is fixedly connected with a heater 27, the heater 27 is located inside the heat insulation plate 26, the heater 27 corresponds to the inner cylinder 3, and the heater 27 is used for heating foam inside the inner cylinder 3, so that the foam quality is improved.

When the thin oil foam mixer is used, electrical components appearing in the thin oil foam mixer are externally connected with a power supply and a control switch when in use, thin oil foam is stored by a storage box 23, and is conveyed into a conveying pipe 5 and further conveyed into an inner barrel 3, and is conveyed through a communicating pipe 20 at the bottom of the inner barrel 3, in the conveying process, a driving shaft 7 is driven by a driving motor 6 to rotate inside a bearing 9, a stirring paddle 8 is driven to rotate to uniformly stir the thin oil foam, meanwhile, an active agent is added through a charging pipe 18, the quality of the foam can be ensured, the oil displacement efficiency is improved, when the mixed foam is conveyed into the inner barrel 3, the driving shaft 7 rotates to drive a fixed gear 11 to rotate simultaneously, the fixed gear 11 drives a transmission gear 12 to rotate, the transmission gear 12 drives a gear ring 13 to rotate simultaneously, gear ring 13 drives sleeve shaft 15 through connecting rod 14 and rotates, connect fixedly through puddler 17 between the sleeve shaft 15, make a plurality of sleeve shafts 15 rotatory on conveyer pipe 5 surface, when sleeve shaft 15 drives stirring leaf 16 and puddler 17 and rotates, further carry out intensive mixing to the foam, be favorable to improving the foam and carry the quality, heater 27 heats inside barrel 3, vacuum layer 4 can reduce the heat and scatter and disappear, make the foam have the uniform temperature and crude oil contact, reaction rate when more guaranteeing crude oil displacement, carry out gaseous transport through intake pipe 25, make gas pass through 19 departments of connecting pipe and carry to the oil well in, and then realize that the air drives the displacement to crude oil, whole device supports through bottom plate 1, can realize the removal of device simultaneously, applicable use in different places, improve the practicality of device.

The application has the advantages that:

1. the cylinder body can convey foam, gas can be conveyed in the conveying process, the foam can be conveyed through the gas, the mixing quality of the foam can be guaranteed, and the petroleum displacement effect can be improved;

2. in the foam conveying process, the foam can be fully mixed, multi-stage stirring can be performed in the conveying pipe and the inner cylinder, the quality of the foam is improved, and the oil exploitation efficiency is ensured;

3. this application can realize the storage of thin oil foam, and whole device is convenient to be removed, improves the practicality of device, can keep warm the foam simultaneously, makes the foam can fully reflect with crude oil, is favorable to improving the oxygen reduction effect.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a foam conveyor is used to supplementary oxygen reduction air flood of thin oil foam which characterized in that: comprises a bottom plate (1), an outer cylinder body (2) and an inner cylinder body (3);

the bottom plate (1) is fixedly connected with an outer cylinder body (2) through a heat insulation plate (26), the inner cylinder body (3) is fixedly installed inside the outer cylinder body (2), the inner part of the outer cylinder body (2) is fixedly penetrated through a conveying pipe (5), a driving motor (6) is fixedly installed on the side wall of the outer cylinder body (2), the output end of the driving motor (6) is fixedly connected with a driving shaft (7), a stirring paddle (8) is arranged on the surface of the driving shaft (7), a fixed gear (11) is fixedly connected with one end of the driving shaft (7), the fixed gear (11) is meshed with a driving gear (12), the driving gear (12) is meshed with a gear ring (13), the gear ring (13) is fixedly connected with a sleeve shaft (15) through a connecting rod (14), stirring blades (16) are arranged on the surface of the sleeve shaft (15), the sleeve shaft (15) is fixedly connected with a stirring rod (17), the outer cylinder body (2) is fixedly penetrated through a connecting pipe (19) and a communicating pipe (20), the connecting pipe (19) and the communicating pipe (20) are fixedly penetrated through the bottom plate (1) and extend to the bottom of the bottom plate (20) and correspond to the bottom of the connecting pipe (20), the top end of the connecting pipe (19) is correspondingly arranged above the outer barrel body (2), and the bottoms of the communicating pipe (20) and the connecting pipe (19) are fixedly connected with a control valve (21) and a connecting flange (22).

2. The foam conveying device for the thin oil foam-assisted oxygen reduction air drive according to claim 1, is characterized in that: outer barrel (2) and interior barrel (3) all are cylindrical structure, be formed with vacuum layer (4) between outer barrel (2) and interior barrel (3), interior barrel (3) bottom and heat insulating board (26) fixed connection.

3. The foam conveying device for the thin oil foam-assisted oxygen reduction air drive according to claim 1, is characterized in that: outer barrel (2) and interior barrel (3) all run through fixedly with filling tube (18), outer barrel (2) and conveyer pipe (5) intercommunication, inside conveyer pipe (5) extended to interior barrel (3), conveyer pipe (5) surface is equipped with a plurality of sleeve (15).

4. The foam conveying device for the thin oil foam-assisted oxygen reduction air drive according to claim 1, is characterized in that: conveyer pipe (5) one end is passed through the pipeline and is communicated with bin (23), all be equipped with landing leg (24) around bin (23) bottom, landing leg (24) and bottom plate (1) fixed connection.

5. The foam conveying device for the thin oil foam-assisted oxygen reduction air drive according to claim 1, is characterized in that: conveyer pipe (5) surface rotates with sleeve axle (15) to be connected, the even rigid coupling in sleeve axle (15) surface has a plurality of stirring leaf (16), stirring leaf (16) are located inside barrel (3), through puddler (17) fixed connection between sleeve axle (15).

6. The foam conveying device for the thin oil foam-assisted oxygen reduction air drive according to claim 1, is characterized in that: the inner wall of the outer cylinder body (2) is rotatably connected with a transmission gear (12), the transmission gear (12) and the fixed gear (11) are both positioned inside a gear ring (13), and a plurality of connecting rods (14) are uniformly arranged between the gear ring (13) and the sleeve shaft (15).

7. The foam conveying device for the thin oil foam-assisted oxygen reduction air drive according to claim 1, is characterized in that: conveyer pipe (5) inner wall passes through dead lever (10) and bearing (9) fixed connection, bearing (9) inside is rotated with drive shaft (7) one end and is connected, drive shaft (7) other end is rotated with outer barrel (2) and is connected.

8. The foam conveying device for the thin oil foam-assisted oxygen reduction air drive according to claim 1, is characterized in that: bottom plate (1) bottom and fixing base (28) fixed connection, fixing base (28) inside is rotated with pivot (29) and is connected, pivot (29) tip and gyro wheel (30) fixed connection.

9. The foam conveying device for thin oil foam assisted oxygen reduction air driving according to claim 1, characterized in that: the top surface of the bottom plate (1) is fixedly connected with a heater (27), the heater (27) is positioned in the heat insulation plate (26), and the heater (27) is correspondingly provided with an inner cylinder (3).