CN113856585A - Production device and preparation method of particle type gel plugging agent for profile control of low-permeability oil field - Google Patents
Production device and preparation method of particle type gel plugging agent for profile control of low-permeability oil field Download PDFInfo
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- CN113856585A CN113856585A CN202111454255.1A CN202111454255A CN113856585A CN 113856585 A CN113856585 A CN 113856585A CN 202111454255 A CN202111454255 A CN 202111454255A CN 113856585 A CN113856585 A CN 113856585A
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- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
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- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
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- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
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- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
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- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
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- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00085—Plates; Jackets; Cylinders
Abstract
The invention relates to the field of gel plugging agents, in particular to a production device and a preparation method of a particle type gel plugging agent for profile control of a low-permeability oilfield. The technical problem is as follows: when the ultraviolet lamp irradiates, the irradiation is uneven, and the efficiency of the polymerization reaction is reduced. The technical scheme is as follows: the production device of the particle type gel plugging agent for the profile control of the low-permeability oilfield comprises a first support frame, a triangular fixing plate, a stirring mechanism, a communicating pipe, a third electromagnetic valve and the like; the upper portion fixedly connected with rabbling mechanism of first support frame, triangle fixed plate fixed connection is in the middle part of first support frame, and the second support frame is located the right side of first support frame, and the upper portion fixedly connected with reaction mechanism of second support frame, the rabbling mechanism and the middle communicating pipe intercommunication that uses of reaction mechanism are provided with the third solenoid valve on communicating pipe. The invention enables the emulsion to uniformly flow down along the inner surface of the heat preservation cavity by arranging the reaction mechanism, so that the emulsion is uniformly irradiated by the ultraviolet lamp to generate polymerization reaction, and the preparation efficiency of the particle-shaped gel plugging agent is improved.
Description
Technical Field
The invention relates to the field of gel plugging agents, in particular to a production device and a preparation method of a particle type gel plugging agent for profile control of a low-permeability oilfield.
Background
Petroleum is used as an unrenewable resource and has an important effect on national economic development, and the exploitation difficulty is gradually increased along with the deepening of the exploration and development degree, so that the improvement of the recovery ratio is a permanent subject in the development process of an oil field, the improvement of the recovery ratio runs through the whole development process of the oil field, two technologies for improving the recovery ratio of crude oil, namely a secondary oil recovery technology (comprising a profile control technology and a water plugging technology) for improving the water flooding development effect and a tertiary oil recovery technology (comprising chemical flooding, gas flooding, thermal flooding, microbial flooding and the like) for improving the sweep efficiency and the oil washing efficiency are developed so far, and the particle type gel plugging agent used underground can be used for profile control of a water injection well.
During the preparation process of the particle type gel plugging agent, emulsion formed during the preparation process is irradiated by an ultraviolet lamp to generate polymerization reaction, so that the preparation work of the particle type gel plugging agent is completed, during the polymerization reaction, because the ultraviolet light has poor penetrability in the emulsion, the ultraviolet lamp can only irradiate the emulsion on the surface to generate polymerization reaction with the emulsion, the emulsion at the lower part can not be irradiated by the ultraviolet lamp, and the emulsion at the lower part can not generate polymerization reaction, so that the preparation efficiency of the particle type gel plugging agent is reduced. Therefore, the invention provides a production device and a preparation method of the particle type gel plugging agent, which can improve the preparation efficiency of the particle type gel plugging agent.
Disclosure of Invention
In order to overcome the defects that the irradiation is uneven and the polymerization reaction efficiency is reduced when an ultraviolet lamp irradiates, the technical problem is as follows: provides a production device and a preparation method of the particle type gel plugging agent, which can improve the preparation efficiency of the particle type gel plugging agent.
The technical scheme is as follows: hypotonic oil field profile control is with apparatus for producing of particle type frozen gum blocking agent, including first support frame, triangle fixed plate, rabbling mechanism, communicating pipe, the third solenoid valve, second support frame and reaction mechanism, the upper portion fixedly connected with rabbling mechanism of first support frame, triangle fixed plate fixed connection is in the middle part of first support frame, the second support frame is located the right side of first support frame, the upper portion fixedly connected with reaction mechanism of second support frame, communicate with communicating pipe in the middle of rabbling mechanism and the reaction mechanism, be provided with the third solenoid valve on communicating pipe.
Further technical scheme, rabbling mechanism is including the agitator tank, the motor cabinet, servo motor, the apparatus further comprises a rotating shaft, stirring vane, backup pad and feeding subassembly, agitator tank lower surface rigid coupling in the upper end of first support frame, the lower fixed surface of agitator tank is connected with the motor cabinet, the lower part fixedly connected with servo motor of motor cabinet, the pivot is installed to agitator tank lower surface central point position rotary type, the lower extreme of pivot and servo motor's output rigid coupling, install two stirring vane in the pivot, the backup pad is equipped with two altogether, two backup pad symmetry fixed connection are in the upper end of agitator tank, feeding subassembly is installed to two backup pad upper ends, the one end of communicating pipe and the lower surface intercommunication of agitator tank.
Further technical scheme, the feeding subassembly is including high-pressure cavity, high-pressure pipe, first solenoid valve, the manometer, the feed inlet, second solenoid valve and four-way pipe, high-pressure cavity rigid coupling is between two backup pad upper ends, high-pressure cavity upper surface left part intercommunication has high-pressure pipe, be provided with first solenoid valve on the high-pressure pipe, high-pressure cavity upper surface still is provided with the feed inlet, the anterior fixedly connected with manometer of high-pressure cavity upper surface, the lower part intercommunication of high-pressure cavity has the four-way pipe, the upper portion of four-way pipe is provided with the second solenoid valve, the four-way pipe is located stirring vane's the outside.
According to a further technical scheme, the reaction mechanism comprises a first fixing ring, a conical shell, a lower shell, heating plates, an upper shell, a heat-insulating cover, a handle, a fixing frame, an ultraviolet lamp, a second fixing ring, a fixing rod, an annular containing groove body, a conical flow distribution plate, a backflow pipe, a three-way pipeline, a ball valve, a first fixing plate, a second fixing plate and a water pump, wherein the first fixing ring is connected to the upper end of the second supporting frame, the inner surface of the first fixing ring is fixedly connected with the lower shell, the heating plates are provided with a plurality of heating plates, the heating plates are fixedly connected to the inner surface of the lower shell along the circumferential direction, the other end of the communication pipe is communicated with the left part of the lower shell, the conical shell is fixedly connected to the lower part of the lower shell, the upper part of the upper shell is detachably provided with the heat-insulating cover, the handle is fixedly arranged on the upper part of the heat-insulating cover, and the fixing frame is fixedly arranged at the lower end inside of the upper shell, an ultraviolet lamp is fixedly arranged at the upper part of the fixing frame, a conical flow distribution plate is fixedly arranged at the upper part of the inner surface of the upper shell, a second fixing ring is fixedly connected to the lower surface of the conical flow distribution plate, an annular containing groove body is positioned below the second fixing ring, the second fixing ring and the annular containing groove body are connected through a plurality of fixing rods, a backflow pipe is fixedly arranged at one side of a heat preservation cavity formed by the upper shell and the heat preservation cover, the water outlet end of the backflow pipe penetrates through a long strip through hole formed in the heat preservation cover, a heat preservation rubber sheet is arranged in the long strip through hole, the water outlet of the backflow pipe is positioned right above the conical flow distribution plate, a three-way pipeline is fixedly arranged at the lower part of the conical shell, a ball valve is arranged at the lower part of the three-way pipeline, a water pump is arranged at the right part of the three-way pipeline, the water outlet pipeline at the lower part of the ball valve is fixedly connected to a second supporting frame through a first fixing plate, and the water pump is arranged on a second fixing plate, the second fixed plate is fixedly connected to the second support frame, the right part of the water pump is communicated with the water inlet of the return pipe, and the left part of the water pump is communicated with the three-way pipeline.
Further technical scheme, still including clearance mechanism, clearance mechanism is including the fixed block, electric putter, the scraper blade, promote the piece and prevent deposiing the subassembly, mount lower part rigid coupling has the fixed block, fixed block left part fixedly connected with electric putter, electric putter's telescopic link fixedly connected with scraper blade, scraper blade and ultraviolet lamp surface sliding fit, the upper surface front portion fixedly connected with of scraper blade promotes the piece, be provided with between the lower surface of toper flow distribution plate and the upper portion of ultraviolet lamp and prevent deposiing the subassembly.
Further technical scheme, prevent deposiing the subassembly including the fixed axle, the fixed disk, the torsional spring, clearance board and wedge, fixedly connected with fixed axle between toper flow distribution plate lower surface and the ultraviolet lamp upper portion, the sub-unit of fixed axle rotates and is connected with the fixed disk, the upper portion ring cover of fixed axle has the torsional spring, the lower extreme of torsional spring and the last fixed surface of fixed disk are connected, the upper end and the toper flow distribution plate lower fixed surface of torsional spring are connected, the circumference fixedly connected with a plurality of clearance board of fixed disk, the anterior fixedly connected with of lower surface of fixed disk and the wedge that promotes the piece position and correspond, the outer end sliding fit of clearance board holds in the annular spout that the cell body was seted up.
According to a further technical scheme, the conical flow distribution plate is gradually thinned from the middle part to the outer side, and a plurality of circular arc through holes are uniformly formed in the lower surface of the conical flow distribution plate along the circumferential direction and used for enabling liquid to uniformly flow into the annular containing groove body.
According to a further technical scheme, a gap exists between the outer edge wall of the annular containing groove body and the inner surface of the upper shell, and the outer edge wall of the annular containing groove body is lower than the inner edge wall.
The production device and the preparation method of the particle type gel plugging agent for the profile control of the hypotonic oil field comprise the following working steps:
s1: putting deionized water into a stirring box, adding mixed powder of a water-soluble anionic monomer, a dispersing agent, acrylamide and a cross-linking agent into a feeding assembly, starting a servo motor manually, opening the feeding assembly manually at the same time, adding the mixed powder into the deionized water, stirring for 2.5 hours, and completely dissolving the mixed powder into the ionic water to obtain a water phase system;
s2: adding the heat conduction oil dissolved with the surfactant and the potassium persulfate into a stirring box, and fully stirring for 4 hours to obtain an emulsion system;
s3: manually opening a third electromagnetic valve, enabling the emulsion to flow into the reaction device through a communicating pipe, manually opening a heating plate, heating the emulsion by the heating plate to enable the temperature of the emulsion to reach 50 ℃, closing the heating plate, and keeping the temperature of the emulsion by a heat-preservation cavity formed by matching the conical shell, the lower shell, the upper shell and the heat-preservation cover;
s4: when the step S3 is carried out, water vapor generated when the heating plate heats the emulsion is attached to the outer surface of the ultraviolet lamp, at the moment, the electric push rod is manually opened to drive the scraper plate to reciprocate up and down, the water vapor attached to the outer surface of the ultraviolet lamp is cleaned, when the scraper plate reciprocates up and down, the pushing block is in sliding fit with the wedge block to drive the outer end of the cleaning plate to reciprocate in the annular containing groove body, the emulsion in the annular containing groove body is continuously stirred, the emulsion in the annular containing groove body is prevented from precipitating, and when the device is not used, the electric push rod is manually closed;
s5: the water pump is manually started, emulsion at the lower part of the heat insulation cavity is conveyed to the upper part of the heat insulation cavity through the return pipe to flow out, so that the emulsion flows into the central position of the conical flow distribution plate, the emulsion uniformly flows into the annular containing groove body along the conical flow distribution plate through the circular arc through holes, the emulsion in the annular containing groove body is continuously increased, and a thin layer of emulsion is formed on the inner surface of the heat insulation cavity when the emulsion overflows from the outer edge wall of the annular containing groove body and flows into the lower part of the heat insulation cavity along the inner surface of the heat insulation cavity due to the small gap between the outer edge wall of the annular containing groove body and the inner surface of the heat insulation cavity;
s6: when the step S4 is carried out, the ultraviolet lamp is manually turned on at the same time, so that ultraviolet lamp light uniformly irradiates the emulsion flowing down along the heat preservation cavity to carry out polymerization reaction with the emulsion, after the operation is repeated for 3 hours, the particle type jelly plugging agent is obtained, then the water pump is turned off to turn on the ball valve, so that the particle type jelly plugging agent is discharged out of the heat preservation cavity, and after the particle type jelly plugging agent is discharged, the ball valve is turned off.
The beneficial effects are that: according to the invention, the reaction mechanism is arranged to enable the emulsion to uniformly flow down along the inner surface of the heat preservation cavity, so that the emulsion is uniformly irradiated by the ultraviolet lamp to generate a polymerization reaction, and the preparation efficiency of the particle-shaped gel plugging agent is improved; adding mixed powder of a water-soluble anionic monomer, a dispersant, acrylamide and a cross-linking agent into deionized water through a feeding assembly to prevent the mixed powder from being bonded into blocks, and completely dissolving the mixed powder into the deionized water; the emulsion in the annular containing tank body is enabled to continuously flow through the anti-sedimentation component, so that the emulsion is prevented from sedimentation; the water vapor on the outer wall of the ultraviolet lamp is cleaned through the cleaning assembly, so that the ultraviolet light irradiated by the ultraviolet lamp is completely irradiated on the emulsion, and the emulsion polymerization reaction efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic sectional three-dimensional structure diagram of the stirring mechanism of the present invention.
FIG. 3 is a schematic sectional perspective view of a reaction mechanism according to the present invention.
Fig. 4 is a schematic perspective view of the precipitation preventing assembly of the present invention.
Fig. 5 is a partial perspective view of the anti-settling assembly of the present invention.
Fig. 6 is a schematic perspective view of a cleaning assembly according to the present invention.
Reference numerals: 1. a first support frame, 2, a triangular fixing plate, 3, a stirring box, 4, a motor base, 5, a servo motor, 501, a rotating shaft, 6, a stirring blade, 7, a support plate, 801, a high-pressure cavity, 802, a high-pressure conduit, 803, a first electromagnetic valve, 804, a pressure gauge, 805, a feed inlet, 806, a second electromagnetic valve, 807, a four-way pipe, 9, a second support frame, 10, a first fixing ring, 11, a conical shell, 12, a lower shell, 1201, a heating plate, 13, an upper shell, 14, a heat preservation cover, 15, a handle, 16, a communicating pipe, 17, a third electromagnetic valve, 18, a fixing frame, 19, an ultraviolet lamp, 191, a second fixing ring, 192, a fixing rod, 193, a ring-shaped containing, 2001, a fixing block, 2002, an electric push rod, 2003, a scraper, 2004, a pushing block, 2005, a fixing shaft, 2006, a fixing disc, 2007, a torsion spring, 2008, a cleaning plate, 2009, a wedge block, 21, a conical splitter plate, 22. a return pipe 23, a tee pipe 24, a ball valve 25, a first fixing plate 26, a second fixing plate 27 and a water pump.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
Example 1
The utility model provides a hypotonic oil field is apparatus for producing of particle type frozen gum blocking agent for profile control, as shown in fig. 1-6, including first support frame 1, triangle fixed plate 2, rabbling mechanism, communicating pipe 16, third solenoid valve 17, second support frame 9 and reaction mechanism, the upper portion fixedly connected with of first support frame 1 is used for the rabbling mechanism of stirring, 2 fixedly connected with in the middle part of three first support frames 1 of triangle fixed plate, second support frame 9 is located the right side of first support frame 1, the upper portion fixedly connected with of second support frame 9 is used for the reaction mechanism of preparation, 16 intercommunications are used with communicating pipe in the middle of rabbling mechanism and the reaction mechanism, be provided with third solenoid valve 17 on communicating pipe 16.
When the device is used, required preparation raw materials are firstly placed in a stirring mechanism, emulsion is formed through stirring for a period of time, then the third electromagnetic valve 17 is manually opened, the emulsion is conveyed into a reaction mechanism along the communicating pipe 16 through a pump, and polymerization reaction occurs in the reaction mechanism.
Example 2
On the basis of embodiment 1, as shown in fig. 1-6, the stirring mechanism includes a stirring box 3, a motor base 4, a servo motor 5, a rotating shaft 501, stirring blades 6, a supporting plate 7 and a feeding component, the lower surface of the stirring box 3 is fixedly connected to the upper end of the first supporting frame 1, the lower surface of the stirring box 3 is fixedly connected to the motor base 4 through a bolt, the servo motor 5 is fixedly connected to the lower portion of the motor base 4 through a bolt, the rotating shaft 501 is rotatably installed at the center of the lower surface of the stirring box 3, the lower end of the rotating shaft 501 is fixedly connected to the output end of the servo motor 5, two stirring blades 6 are installed on the rotating shaft 501, the supporting plates 7 are two in total, the two supporting plates 7 are symmetrically and fixedly connected to the upper end of the stirring box 3, the feeding component is installed at the upper ends of the two supporting plates 7, and one end of the communicating pipe 16 is communicated with the lower surface of the stirring box 3.
When using this device, at first the manual work puts into the deionized water in with agitator tank 3, put into the feeding subassembly water-soluble anion monomer, the dispersant, the mixed powder of acrylamide and cross-linking agent, it rotates to drive pivot 501 through manual start servo motor 5, pivot 501 rotates and drives stirring vane 6 and rotate, manual start feeding subassembly simultaneously, add the mixed powder into the ionized water and mix rather than, stirring vane 6 rotates and stirs the deionized water in agitator tank 3 and the mixed powder of interpolation, stir after 2.5 hours, in the manual work adds the conduction oil and the potassium sulfate that will dissolve surfactant agent into agitator tank 3, after continuing to stir 4 hours, form the emulsion.
The feeding assembly comprises a high-pressure cavity 801, a high-pressure conduit 802, a first electromagnetic valve 803, a pressure gauge 804, a feeding hole 805, a second electromagnetic valve 806 and a four-way pipe 807, the high-pressure cavity 801 is fixedly connected between the upper ends of the two supporting plates 7, the left part of the upper surface of the high-pressure cavity 801 is communicated with the high-pressure conduit 802, the first electromagnetic valve 803 is arranged on the high-pressure conduit 802, the feeding hole 805 is further arranged on the upper surface of the high-pressure cavity 801, the pressure gauge 804 is fixedly connected to the front part of the upper surface of the high-pressure cavity 801, the lower part of the high-pressure cavity 801 is communicated with the four-way pipe 807, the second electromagnetic valve 806 is arranged on the upper part of the four-way pipe 807, and the four-way pipe 807 is located on the outer side of the stirring blade 6.
When the device is used, firstly, mixed powder of water-soluble anionic monomer, dispersant, acrylamide and cross-linking agent is required to be put into a high-pressure cavity 801 through a feed inlet 805, the feed inlet 805 is sealed, a high-pressure conduit 802 is connected with an air pressure pump, a first electromagnetic valve 803 is opened, the pressure pump pressurizes air to the cavity, a pressure gauge 804 is manually observed, when a preset value is reached, the first electromagnetic valve 803 is closed, when the mixed powder is added into a stirring box 3, a second electromagnetic valve 806 is required to be manually opened, the water mixed powder is conveyed into the stirring box 3 through a four-way pipe 807 to be mixed and stirred with deionized water, and after a certain amount of mixed powder is added, the second electromagnetic valve 806 is closed.
The reaction mechanism comprises a first fixing ring 10, a conical shell 11, a lower shell 12, a heating plate 1201, an upper shell 13, a heat preservation cover 14, a handle 15, a fixing frame 18, an ultraviolet lamp 19, a second fixing ring 191, a fixing rod 192, an annular containing groove body 193, a conical flow distribution plate 21, a return pipe 22, a three-way pipeline 23, a ball valve 24, a first fixing plate 25, a second fixing plate 26 and a water pump 27, wherein the first fixing ring 10 is connected to the upper end of a second supporting frame 9, the inner surface of the first fixing ring 10 is fixedly connected with the lower shell 12, the heating plates 1201 are provided with a plurality of heating plates, the heating plates 1201 are fixedly connected to the inner surface of the lower shell 12 along the circumferential direction through bolts, the other end of a communication pipe 16 is communicated with the left part of the lower shell 12, the conical shell 11 is fixedly connected to the lower part of the lower shell 12, the upper part of the lower shell 12 is fixedly connected with the upper shell 13 through bolts, the heat preservation cover 14 is detachably mounted on the upper part of the upper shell 13, a handle 15 is fixedly arranged on an upper bolt of the heat preservation cover 14, a fixing frame 18 is fixedly arranged at the lower end in the upper shell 13, the conical shell 11, the lower shell 12, the upper shell 13 and the heat preservation cover 14 are matched to form a heat preservation cavity for preserving heat of liquid in the whole cavity, an ultraviolet lamp 19 is fixedly arranged on the upper portion of the fixing frame 18, a conical flow distribution plate 21 is fixedly arranged on the upper portion of the inner surface of the upper shell 13, the conical flow distribution plate 21 becomes thinner gradually from the middle part to the outer side, a plurality of circular arc through holes are uniformly formed in the lower surface of the conical flow distribution plate 21 along the circumferential direction and used for enabling the liquid to uniformly flow into the annular containing groove body 193, a second fixing ring 191 is fixedly connected to the lower surface of the conical flow distribution plate 21, the annular containing groove body 193 is positioned below the second fixing ring 191, the second fixing ring 191 is connected with the annular containing groove body 193 through a plurality of fixing rods 192, and a gap exists between the outer edge wall of the annular containing groove body 193 and the inner surface of the upper shell 13, the outer wall of following of annular holding cell body 193 is less than interior wall of following, conical shell 11, lower casing 12, heat preservation cavity one side fixed mounting that upper casing 13 and heat preservation lid 14 formed has back flow 22, the play water end of back flow 22 runs through in the rectangular through-hole that heat preservation lid 14 was seted up, rectangular through-hole is equipped with the heat preservation rubber piece, the delivery port of back flow 22 is located conical flow distribution plate 21 directly over, conical shell's 11 lower part fixed mounting has tee bend pipeline 23, the lower part of tee bend pipeline 23 is equipped with ball valve 24, the right part of tee bend pipeline 23 is equipped with water pump 27, the outlet conduit of ball valve 24 lower part passes through first fixed plate 25 fixed connection in second support frame 9, water pump 27 installs on second fixed plate 26, second fixed plate 26 fixed connection is in second support frame 9, the right part of water pump 27 communicates in the water inlet of back flow 22, the left part of water pump 27 communicates in tee bend pipeline 23. When the device is used, when emulsion flows into a heat preservation cavity formed by the conical shell 11, the lower shell 12, the upper shell 13 and the heat preservation cover 14, firstly, the heating plate 1201 is manually opened to heat the emulsion, when the temperature is heated to 50 ℃, the heating plate 1201 is manually closed, the heat preservation cavity preserves the heat of the emulsion to ensure that the emulsion keeps the required temperature for a long time, the water pump 27 is manually started to flow the emulsion at the lower part of the heat preservation cavity to the upper part of the heat preservation cavity along the return pipe 22 and flow out, at the moment, the emulsion flows onto the conical splitter plate 21, the emulsion flows into the annular containing groove body 193 along the circular arc through holes of the conical splitter plate 21, as the conical splitter plate 21 is gradually thinned from the middle part to the outer side, a plurality of circular arc through holes are uniformly formed on the lower surface of the conical splitter plate 21 along the circumferential direction, the emulsion uniformly flows into the annular containing groove body 193, and as the emulsion is continuously increased, the emulsion overflows from the outer wall of the annular containing groove body 193, because the annular holds cell body 193 and heat preservation intracavity wall and has tiny clearance, make the emulsion form thin one deck and flow downwards along heat preservation intracavity surface, shine through ultraviolet lamp 19 along heat preservation intracavity surface downstream in-process at the emulsion, make the emulsion take place polymerization, after 3 hours, obtain particle type jelly, the manual work closes water pump 27, opens ball valve 24 afterwards, will obtain particle type jelly through the mode of pumping and discharge. When using this device, because hot plate 1201 heats the emulsion, the steam of production can be attached to the surface of ultraviolet lamp 19, influences ultraviolet lamp 19's permeability, reduces emulsion polymerization efficiency, drives scraper blade 2003 reciprocating motion from top to bottom through artifical start-up electric putter 2002 this moment, and the inner circle of scraper blade 2003 is the rubber circle, and the rubber circle slides with ultraviolet lamp 19 surface, scrapes the water smoke of ultraviolet lamp 19 surface, makes the ultraviolet ray that ultraviolet lamp 19 produced shine on the emulsion completely, so improves emulsion polymerization efficiency.
The cleaning device is characterized by further comprising a cleaning mechanism, the cleaning mechanism comprises a fixing block 2001, an electric push rod 2002, a scraping plate 2003, a pushing block 2004 and an anti-sedimentation component, the fixing block 2001 is fixedly connected to the lower portion of the fixing frame 18, the electric push rod 2002 is fixedly connected to the left portion of the fixing block 2001, the scraping plate 2003 is fixedly connected to a telescopic rod of the electric push rod 2002, the scraping plate 2003 is in sliding fit with the outer surface of the ultraviolet lamp 19, the pushing block 2004 is fixedly connected to the front portion of the upper surface of the scraping plate 2003, and the anti-sedimentation component is arranged between the lower surface of the conical flow distribution plate 21 and the upper portion of the ultraviolet lamp 19.
The anti-precipitation assembly comprises a fixing shaft 2005, a fixing disc 2006, a torsion spring 2007, cleaning plates 2008 and wedge blocks 2009, the fixing shaft 2005 is fixedly connected between the lower surface of the conical flow distribution plate 21 and the upper portion of the ultraviolet lamp 19, the fixing disc 2006 is rotatably connected to the lower portion of the fixing shaft 2005, the torsion spring 2007 is sleeved on the upper portion of the fixing shaft 2005, the lower end of the torsion spring 2007 is fixedly connected with the upper surface of the fixing disc 2006, the upper end of the torsion spring 2007 is fixedly connected with the lower surface of the conical flow distribution plate 21, the cleaning plates 2008 are fixedly connected to the circumferential direction of the fixing disc 2006, the wedge blocks 2009 corresponding to the pushing blocks 2004 in position are fixedly connected to the front portion of the lower surface of the fixing disc 2006, and the outer ends of the cleaning plates 2008 are in sliding fit in sliding grooves formed in the annular containing groove body 193.
When the device is used, as the emulsion in the annular containing groove body 193 is continuously increased, the emulsion in the lower part of the annular containing groove body 193 can be precipitated, when the electric push rod 2002 is started to work, the scraping plate 2003 moves up and down to drive the pushing block 2004 to move up and down, when the pushing block 2004 moves to the upper part, the pushing block 2004 is in contact with the wedge 2009 to continuously move up, the wedge 2009 can be pushed to rotate anticlockwise, the wedge 2009 rotates anticlockwise to drive the fixing disc 2006 and the cleaning plate 2008 to rotate anticlockwise, the torsion spring 2007 is screwed therewith, when the pushing block 2004 moves downwards, the fixing disc 2006 and the cleaning plate 2008 are reset under the driving of the torsion spring 2007, at the moment, the cleaning plate 2008 resets to enable the emulsion in the annular containing groove body 193 to flow, and the emulsion in the annular containing groove body 193 is prevented from precipitating.
Example 3
The production device and the preparation method of the particle type gel plugging agent for the profile control of the hypotonic oil field comprise the following working steps:
s1: putting deionized water into a stirring box 3, adding mixed powder of a water-soluble anionic monomer, a dispersing agent, acrylamide and a cross-linking agent into a feeding assembly, starting a servo motor 5 manually, opening the feeding assembly manually at the same time, adding the mixed powder into the deionized water, stirring for 2.5 hours, and completely dissolving the mixed powder into the ionic water to obtain a water phase system;
s2: adding the heat conduction oil dissolved with the surfactant and the potassium persulfate into a stirring box 3, and fully stirring for 4 hours to obtain an emulsion system;
s3: manually opening a third electromagnetic valve 17, allowing the emulsion to flow into the reaction device through a communicating pipe 16, manually opening a heating plate 1201, heating the emulsion by the heating plate 1201 to enable the temperature of the emulsion to reach 50 ℃, closing the heating plate 1201, and keeping the temperature of the emulsion by a heat-preservation cavity formed by matching the conical shell 11, the lower shell 12, the upper shell 13 and the heat-preservation cover 14;
s4: when the step S3 is performed, when the heating plate 1201 heats the emulsion, water vapor is generated and attached to the outer surface of the ultraviolet lamp 19, at this time, the electric push rod 2002 is manually opened to drive the scraper 2003 to reciprocate up and down, the water vapor attached to the outer surface of the ultraviolet lamp 19 is cleaned, when the scraper 2003 reciprocates up and down, the pushing block 2004 and the wedge 2009 are in sliding fit to drive the outer end of the cleaning plate 2008 to reciprocate in the annular containing groove 193, the emulsion in the annular containing groove 193 is continuously stirred, the emulsion in the annular containing groove 193 is prevented from precipitating, and when the device is not used, the electric push rod 2002 is manually closed;
s5: the water pump 27 is manually started, emulsion at the lower part of the heat preservation cavity is conveyed to the upper part of the heat preservation cavity through the return pipe 22 and flows out, so that the emulsion flows into the central position of the conical flow distribution plate 21, the emulsion uniformly flows into the annular containing groove body 193 through the arc through hole along the conical flow distribution plate 21, the emulsion in the annular containing groove body 193 is continuously increased, and a thin layer of emulsion is formed on the inner surface of the heat preservation cavity when the emulsion overflows from the outer edge wall of the annular containing groove body 193 due to a fine gap between the outer edge wall of the annular containing groove body 193 and the inner surface of the heat preservation cavity and flows into the lower part of the heat preservation cavity along the inner surface of the heat preservation cavity;
s6: in step S4, the ultraviolet lamp 19 is turned on manually to irradiate the emulsion flowing down the thermal insulation cavity with ultraviolet light uniformly, and then the emulsion undergoes a polymerization reaction with the emulsion, and after the above operation is repeated for 3 hours, the particle type gel blocking agent is obtained, and then the water pump 27 is turned off to open the ball valve 24, so that the particle type gel blocking agent is discharged out of the thermal insulation cavity, and after the particle type gel blocking agent is discharged, the ball valve 24 is turned off.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The production device of the particle type gel plugging agent for the profile control of the low-permeability oilfield comprises a first support frame (1), a triangular fixing plate (2), a communicating pipe (16), a third electromagnetic valve (17) and a second support frame (9), wherein the upper part of the first support frame (1) is fixedly connected with a stirring mechanism, the triangular fixing plate (2) is fixedly connected to the middle part of the first support frame (1), and the second support frame (9) is positioned on the right side of the first support frame (1), the production device is characterized by further comprising a stirring mechanism and a reaction mechanism, the upper part of the second support frame (9) is fixedly connected with a reaction mechanism, the middle parts of the stirring mechanism and the reaction mechanism are communicated through the communicating pipe (16), and the communicating pipe (16) is provided with the third electromagnetic valve (17);
the stirring mechanism comprises a stirring box (3), a motor base (4), a servo motor (5), a rotating shaft (501), stirring blades (6), a supporting plate (7) and a feeding component, the lower surface of the stirring box (3) is fixedly connected to the upper end of the first support frame (1), the lower surface of the stirring box (3) is fixedly connected with a motor base (4), the lower part of the motor base (4) is fixedly connected with a servo motor (5), a rotating shaft (501) is rotatably installed at the central position of the lower surface of the stirring box (3), the lower end of the rotating shaft (501) is fixedly connected with the output end of the servo motor (5), two stirring blades (6) are installed on the rotating shaft (501), two supporting plates (7) are arranged, the two supporting plates (7) are symmetrically and fixedly connected to the upper end of the stirring box (3), a feeding assembly is installed at the upper ends of the two supporting plates (7), and one end of a communicating pipe (16) is communicated with the lower surface of the stirring box (3);
the feeding assembly comprises a high-pressure cavity (801), a high-pressure conduit (802), a first electromagnetic valve (803), a pressure gauge (804), a feeding hole (805), a second electromagnetic valve (806) and a four-way pipe (807), wherein the high-pressure cavity (801) is fixedly connected between the upper ends of two supporting plates (7), the upper surface of the high-pressure cavity (801) is communicated with the high-pressure conduit (802), the high-pressure conduit (802) is provided with the first electromagnetic valve (803), the upper surface of the high-pressure cavity (801) is also provided with the feeding hole (805), the front part of the upper surface of the high-pressure cavity (801) is fixedly connected with the pressure gauge (804), the lower part of the high-pressure cavity (801) is communicated with the four-way pipe (807), the upper part of the four-way pipe (807) is provided with the second electromagnetic valve (806), and the four-way pipe (807) is positioned outside the stirring blades (6).
2. The production device of the particle type jelly plugging agent for the profile control of the hypotonic oilfield according to claim 1, wherein the reaction mechanism comprises a first fixing ring (10), a conical shell (11), a lower shell (12), heating plates (1201), an upper shell (13), a heat preservation cover (14), a handle (15), a fixing frame (18), an ultraviolet lamp (19), a second fixing ring (191), a fixing rod (192), an annular containing groove body (193), a conical flow distribution plate (21), a return pipe (22), a three-way pipe (23), a ball valve (24), a first fixing plate (25), a second fixing plate (26) and a water pump (27), the first fixing ring (10) is connected to the upper end of the second supporting frame (9), the inner surface of the first fixing ring (10) is fixedly connected with the lower shell (12), the heating plates (1201) are provided with a plurality of heating plates, and the plurality of heating plates (1201) are fixedly connected to the inner surface of the lower shell (12) along the circumferential direction, the other end of communicating pipe (16) and lower casing (12) left part intercommunication, casing (12) lower part fixedly connected with toper shell (11) down, casing (13) is gone up to casing (12) upper portion fixedly connected with, go up casing (13) upper portion demountable installation have heat preservation lid (14), the upper portion fixed mounting of heat preservation lid (14) has handle (15), mount (18) fixed mounting is at the inside lower extreme of last casing (13), mount (18) upper portion fixed mounting has ultraviolet lamp (19), go up casing (13) internal surface upper portion fixed mounting has toper flow distribution plate (21), toper flow distribution plate (21) lower surface fixedly connected with solid fixed ring of second (191), the annular holds below that cell body (193) is located solid fixed ring of second (191), gu fixed ring of second (191) and annular hold cell body (193) and connect through a plurality of dead lever (192), toper shell (11), A return pipe (22) is fixedly installed on one side of a heat preservation cavity formed by the lower shell (12), the upper shell (13) and the heat preservation cover (14), the water outlet end of the return pipe (22) penetrates through a strip-shaped through hole formed in the heat preservation cover (14), a heat preservation rubber sheet is arranged in the strip-shaped through hole, the water outlet of the return pipe (22) is located right above the conical flow distribution plate (21), a three-way pipe (23) is fixedly installed on the lower portion of the conical shell (11), a ball valve (24) is arranged on the lower portion of the three-way pipe (23), a water pump (27) is arranged on the right portion of the three-way pipe (23), the water outlet pipe on the lower portion of the ball valve (24) is fixedly connected to the second supporting frame (9) through a first fixing plate (25), the water pump (27) is installed on the second fixing plate (26), the second fixing plate (26) is fixedly connected to the second supporting frame (9), and the right portion of the water pump (27) is communicated with the water inlet of the return pipe (22), the left part of the water pump (27) is communicated with the three-way pipeline (23).
3. The production device of the particle type gel plugging agent for the profile control of the hypotonic oilfield according to claim 2, further comprising a cleaning mechanism, wherein the cleaning mechanism comprises a fixed block (2001), an electric push rod (2002), a scraper (2003), a pushing block (2004) and an anti-precipitation component, the fixed block (2001) is fixedly connected to the lower portion of the fixed frame (18), the electric push rod (2002) is fixedly connected to the left portion of the fixed block (2001), the scraper (2003) is fixedly connected to a telescopic rod of the electric push rod (2002), the scraper (2003) is in sliding fit with the outer surface of the ultraviolet lamp (19), the pushing block (2004) is fixedly connected to the front portion of the upper surface of the scraper (2003), and the anti-precipitation component is arranged between the lower surface of the conical flow distribution plate (21) and the upper portion of the ultraviolet lamp (19).
4. The production device of the particulate gel plugging agent for the profile control of the hypotonic oilfield according to claim 3, wherein the anti-precipitation component comprises a fixed shaft (2005), a fixed disc (2006), a torsion spring (2007), a cleaning plate (2008) and a wedge block (2009), the fixed shaft (2005) is fixedly connected between the lower surface of the tapered diversion plate (21) and the upper portion of the ultraviolet lamp (19), the fixed disc (2006) is rotatably connected to the lower portion of the fixed shaft (2005), the torsion spring (2007) is sleeved on the upper portion of the fixed shaft (2005), the lower end of the torsion spring (2007) is fixedly connected to the upper surface of the fixed disc (2006), the upper end of the torsion spring (2007) is fixedly connected to the lower surface of the tapered diversion plate (21), the plurality of cleaning plates (2008) are fixedly connected to the circumferential direction of the fixed disc (2006), the wedge block (2009) corresponding to the position of the pushing block (2004) is fixedly connected to the front portion of the lower surface of the fixed disc (2006), the outer end of the cleaning plate (2008) is in sliding fit with a sliding groove formed in the annular containing groove body (193).
5. The production device of the particle type jelly plugging agent for the profile control of the hypotonic oilfield according to claim 2, wherein the tapered flow distribution plate (21) is gradually thinned from the middle part to the outside, and a plurality of circular arc through holes are uniformly formed in the lower surface of the tapered flow distribution plate (21) along the circumferential direction and used for enabling liquid to uniformly flow into the annular containing groove body (193).
6. The apparatus for producing particle type jelly plugging agent for profile control in hypotonic oilfield according to claim 2, wherein a gap exists between the outer edge wall of the annular containing groove (193) and the inner surface of the upper casing (13), and the outer edge wall of the annular containing groove (193) is lower than the inner edge wall.
7. The production device and the preparation method of the particle type gel plugging agent for the profile control of the low-permeability oil field are characterized in that: the method uses the production device of the particle type gel plugging agent for the profile control of the low permeability oilfield according to any one of the claims 1 to 8, and comprises the following working steps:
s1: putting deionized water into a stirring box (3), adding mixed powder of a water-soluble anionic monomer, a dispersing agent, acrylamide and a cross-linking agent into a feeding assembly, manually starting a servo motor (5), simultaneously manually opening the feeding assembly, adding the mixed powder into the deionized water, stirring for 2.5 hours, and completely dissolving the mixed powder into the ionic water to obtain a water phase system;
s2: adding the heat conduction oil dissolved with the surfactant and the potassium persulfate into a stirring box (3), and fully stirring for 4 hours to obtain an emulsion system;
s3: manually opening a third electromagnetic valve (17), enabling the emulsion to flow into the reaction device through a communicating pipe (16), manually opening a heating plate (1201), heating the emulsion by the heating plate (1201) to enable the temperature of the emulsion to reach 50 ℃, closing the heating plate (1201), and keeping the emulsion warm by a heat preservation cavity formed by matching a conical shell (11), a lower shell (12), an upper shell (13) and a heat preservation cover (14);
s4: when the step S3 is carried out, when the heating plate (1201) heats the emulsion, water vapor is generated and attached to the outer surface of the ultraviolet lamp (19), at the moment, the electric push rod (2002) is manually opened to drive the scraping plate (2003) to reciprocate up and down, the water vapor attached to the outer surface of the ultraviolet lamp (19) is cleaned, when the scraping plate (2003) reciprocates up and down, the pushing block (2004) is in sliding fit with the wedge-shaped block (2009) to drive the outer end of the cleaning plate (2008) to slide in the annular containing groove body (193) in a reciprocating manner, the emulsion in the annular containing groove body (193) is continuously stirred, the emulsion in the annular containing groove body (193) is prevented from precipitating, and when the device is not used, the electric push rod (2002) is manually closed;
s5: the water pump (27) is started manually, emulsion at the lower part of the heat preservation cavity is conveyed to the upper part of the heat preservation cavity through the return pipe (22) and flows out, the emulsion flows into the center of the conical flow distribution plate (21), the emulsion uniformly flows into the annular containing groove body (193) through the circular arc through hole along the conical flow distribution plate (21), the emulsion in the annular containing groove body (193) is continuously increased, a thin layer of emulsion is formed on the inner surface of the heat preservation cavity when the emulsion overflows from the outer edge wall of the annular containing groove body (193) due to the fact that a fine gap exists between the outer edge wall of the annular containing groove body (193) and the inner surface of the heat preservation cavity, and the emulsion flows into the lower part of the heat preservation cavity along the inner surface of the heat preservation cavity;
s6: when the step S4 is carried out, the ultraviolet lamp (19) is manually turned on simultaneously, the ultraviolet lamp light uniformly irradiates the emulsion flowing down along the heat preservation cavity to carry out polymerization reaction with the emulsion, after the operation is repeated for 3 hours, the particle type jelly plugging agent is obtained, then the water pump (27) is turned off, the ball valve (24) is turned on, the particle type jelly plugging agent is discharged out of the heat preservation cavity, and the ball valve (24) is turned off after the particle type jelly plugging agent is discharged.
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