CN114573753B - High molecular resin adhesive for profile control and water plugging of oil well and water well - Google Patents

High molecular resin adhesive for profile control and water plugging of oil well and water well Download PDF

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CN114573753B
CN114573753B CN202210211690.XA CN202210211690A CN114573753B CN 114573753 B CN114573753 B CN 114573753B CN 202210211690 A CN202210211690 A CN 202210211690A CN 114573753 B CN114573753 B CN 114573753B
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plate
fixedly connected
water
shaped plate
sliding
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CN114573753A (en
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于世江
孙荣华
张艳华
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Shengli Oilfield Xinhai Xingda Industrial Group Co ltd
Dongying Qin Ho Industry & Trade Co ltd
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Shengli Oilfield Xinhai Xingda Industrial Group Co ltd
Dongying Qin Ho Industry & Trade Co ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F251/00Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/26Methods or devices for controlling the quantity of the material fed or filled

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

The invention discloses a high molecular resin adhesive for profile control and water plugging of oil and water wells, which relates to the technical field of oil and gas exploitation and consists of the following components: 3-4% of high-molecular resin, 3-4% of water-soluble monomer, 0.05-0.1% of cross-linking agent, 0.005-0.01% of initiator, 0.1-0.2% of deoxidant, 0.1-0.2% of antacid stabilizer and the balance of water; the invention uses macromolecule resin and water-soluble resin to generate resin free radical by the initiator, the free radical and the monomer have chain reaction polymerization, and the cross-linking is macromolecule network structure, to form the resin adhesive with higher integral strength, the macromolecule resin adhesive can effectively block the oil-water well crack, karst cave water logging, water channeling, to realize the oil deposit deep profile control, with ideal blocking effect, to be used practically.

Description

High molecular resin adhesive for profile control and water plugging of oil well and water well
Technical Field
The invention relates to the technical field of oil and gas exploitation, in particular to a high-molecular resin adhesive for profile control and water plugging of oil and water wells.
Background
At present, land petroleum in China is basically developed by water injection. Under the condition of oil well exploitation, the water yielding phenomenon is more common, and the water content is improved along with the continuous improvement of the water injection development strength. According to previous investigation results, the water content in the current oil field in China reaches 80%, and particularly in the east region, the water content reaches 90%. Under the background, the water content in the petroleum is increased continuously, so that the exploitation energy consumption is improved, the yield is reduced, and the water plugging work is more important.
As the development of oil fields gradually enters the middle and later stages, some oil wells are exposed to water or flooded in advance too early due to water layer channeling, bottom water coning or water injection and edge water inrush; the uniformity of an injection profile is influenced due to the water outlet of an oil well, injected water in certain blocks quickly breaks through along a high-permeability layer to cause the water outlet of a large number of oil wells, the yield of crude oil is greatly influenced, the water outlet problem of the oil field is more common, and a water plugging agent is urgently needed to be used for controlling and solving.
The water shutoff agent mainly used at present is a water shutoff agent mainly prepared from water-based hydrolyzed polyacrylamide, and the chemical profile control agent has the advantages of low material cost, high effectiveness, simple and convenient field use process and low field operation requirement, but the water shutoff agent is easy to degrade at high temperature and has poor long-term stability, and a porous medium plugging experiment shows that the water-based hydrolyzed polyacrylamide gel is not easy to form colloid in the dynamic migration and shearing process of a porous medium; in high salinity brine, the thickening property to water is insufficient, etc.
Therefore, a polymer resin adhesive for profile control and water shutoff of oil wells and water wells is provided to solve the problems.
Disclosure of Invention
The invention aims to provide a high-molecular resin adhesive for profile control and water plugging of oil and water wells, which solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the high molecular resin adhesive for oil and water well profile control and water shutoff consists of the following components: 3-4% of high polymer resin, 3-4% of water-soluble monomer, 0.05-0.1% of cross-linking agent, 0.005-0.01% of initiator, 0.1-0.2% of deoxidant, 0.1-0.2% of antacid stabilizer and the balance of water.
Furthermore, the polymer resin is carboxymethyl starch.
Further, the water-soluble monomer is 2-acrylamide-2-methylpropanesulfonic acid.
Still further, the crosslinking agent is N-methylformamide.
Still further, the initiator is potassium peroxypyrophosphate.
Further, the oxygen scavenger is sodium bisulfite.
Still further, the antacid stabilizer is scleroglucan.
A preparation process of a high molecular resin adhesive for oil and water well profile control and water plugging comprises the following steps:
step 1, placing a beaker on a platform below a stirring rod of a digital display mechanical stirrer, adding water into the beaker, adjusting the height of the stirring rod until the stirring rod completely submerges over the water surface, opening a rotation speed adjusting knob, and adjusting the rotation speed to 700-800rpm;
step 2, adding an antacid stabilizer on the basis of the step 1, and continuously shearing for 28-32min until the scleroglucan is dissolved;
step 3, slowly draining the polymer resin and adding the polymer resin into the water surface being sheared on the basis of the step 2, reducing the rotating speed of a stirrer to 300-400rpm to obtain a homogeneous solution, and continuously stirring for 25-30min after the polymer resin is completely dissolved into water;
step 4, adding the water-soluble monomer based on the step 3, and shearing for 5-10min until the water-soluble monomer is uniformly dissolved;
step 5, sequentially adding a cross-linking agent, an oxygen scavenger and an initiator on the basis of the step 4, stirring and shearing for 5-10min, and thus finishing the preparation of the polymer resin glue solution;
and 6, pouring the prepared polymer resin adhesive solution into a high-temperature-resistant sealed test tube on the basis of the step 5, sealing the test tube, placing the test tube into a 120-DEG C constant-temperature aging oven, standing for about 2-4 hours, performing filling treatment through a quantitative structure after standing, and obtaining the polymer resin adhesive for profile control and water plugging of the oil-water well after filling.
A device of polymer resin glue for profile control and water plugging of oil and water wells is a quantitative structure in step 5 and comprises first support frames, wherein a conveyor belt is rotatably connected between the first support frames through a bearing fixedly connected with the first support frames, a first driving motor is fixedly installed on the rear side wall of each first support frame, and the first driving motor is fixedly connected with one end of a rotating shaft of the conveyor belt;
the top of the first support frame is used for a righting structure for guiding an oil drum, the righting structure comprises a bolt, a positioning hole, a sliding transverse plate, a tension spring, a convex block, a straight limiting plate, an inclined guiding plate and a sliding hole, the tension spring is fixedly connected to the top of the convex block, the bolt is fixedly connected to the top of the tension spring, the convex block is provided with the sliding hole, the sliding transverse plate is attached and slidably connected in the sliding hole, the sliding transverse plate is uniformly provided with the positioning hole, the restoring force of the tension spring drives the bottom of the bolt to be inserted into the positioning hole, the inner end of the sliding transverse plate is fixedly connected with the straight limiting plate, and the right end of the straight limiting plate is fixedly connected with the inclined guiding plate;
the quantitative blanking device comprises a first support frame, a material cylinder, a quantitative blanking structure, a cylinder, an outer cover, an n-shaped plate, a baffle, a blanking hole, a Z-shaped frame, a rotary electromagnet, a cover plate and a rotating shaft, wherein the first support frame is arranged at the left end of a righting structure, the top of the second support frame is fixedly connected with the material cylinder, the top of the material cylinder is connected with the quantitative blanking structure, the bottom of the cylinder is fixedly connected with the n-shaped plate, the bottom of the n-shaped plate is fixedly connected with the Z-shaped frame, the bottom of the Z-shaped frame is fixedly connected with the baffle, the outer wall of the baffle is in fit sliding connection with the interior of the material cylinder, one end of the baffle is provided with the blanking hole for blanking, the top of the Z-shaped frame is fixedly connected with the outer cover and the rotary electromagnet, the outer cover is arranged on the outer side of the rotary electromagnet, the output end of the rotary electromagnet is fixedly connected with the rotating shaft, the bottom of the rotating shaft is fixedly connected with the cover plate, the bottom of the cover plate is in fit sliding connection with the top of the baffle, and the air pipe for balancing pressure below the baffle is fixedly connected with the straight hole at the top of the cover plate;
the bottom of the charging barrel is fixedly connected with a discharging pipe, and a control valve is fixedly installed on the discharging pipe;
the oil drum limiting positioning structure is characterized in that a positioning structure used for oil drum limiting is arranged at the lower part of the blanking pipe of the first support frame, the positioning structure comprises a first C-shaped plate, a second C-shaped plate, a sliding groove, a threaded rod, a rotating rod, a threaded groove, a U-shaped plate, a connecting straight block, a second driving motor, a third driving motor and a sliding plate, the output end of the third driving motor is fixedly connected with the threaded rod, the threaded rod is in threaded connection with the connecting straight block, the top of the connecting straight block is fixedly connected with the U-shaped plate, one end of the U-shaped plate is fixedly connected with the second driving motor, the output end of the second driving motor is fixedly connected with the rotating rod, the threaded groove is symmetrically formed in the rotating rod, the rotating rod is connected with the sliding plate through the threaded groove, the side wall of the sliding plate is fixedly connected with the second C-shaped plate and the first C-shaped plate respectively, and the sliding groove matched with the second C-shaped plate and the first C-shaped plate is formed in the side wall of the first support frame.
Furthermore, the convex block is fixedly arranged at the top of the first support frame, and the convex block is arranged at the right end of the second support frame.
Furthermore, during feeding, the rotary electromagnet drives the rotating shaft to rotate, the rotating shaft drives the cover plate to rotate to the outer side of the discharging hole, the rotary electromagnet resets after feeding is finished, and the rotary electromagnet drives the cover plate to rotate right above the discharging hole to plug the discharging hole.
Furthermore, the third support frame is fixedly arranged at the top of the charging barrel.
Furthermore, during blanking, the air pipe guides air into the baffle, and the discharge of materials below the baffle is guaranteed.
Furthermore, the third driving motor is fixedly installed on the side wall of the first support frame, and the side wall of the first support frame is rotatably connected with the threaded rod through a bearing fixedly connected with the side wall of the first support frame.
Furthermore, the upright part of the U-shaped plate is rotatably connected with a rotating rod through a bearing fixedly connected with the U-shaped plate.
Furthermore, the second C-shaped plate and the first C-shaped plate are arranged at two ends of the blanking pipe.
The beneficial effects of the invention are:
according to the invention, the positioning hole of the righting structure is selected according to the size of the quantitatively filled oil drum, the bolt is pulled upwards, the sliding transverse plate is slid, the sliding transverse plate drives the selected positioning hole to move to the position below the bolt, the restoring force of the tension spring drives the bolt to be inserted into the positioning hole after the bolt is loosened, so that the quantitatively filled oil drum is suitable for the quantitatively filled oil drum between the straight limiting plates, the inclined guide plate is convenient for guiding the quantitatively filled oil drum into the straight limiting plates, and then the quantitatively filled oil drum moves to the position below the blanking pipe through the straight limiting plates;
according to the positioning structure, a second driving motor drives a rotating rod to rotate, the rotating rod drives a sliding plate to move through a thread groove, the sliding plate drives a first C-shaped plate and a second C-shaped plate to move, so that oil barrels of different quantitative filling sizes are suitable between the first C-shaped plate and the second C-shaped plate, before filling, a third driving motor drives a threaded rod to rotate, the threaded rod drives a connecting straight block to move backwards, the connecting straight block drives a U-shaped plate to move backwards, the U-shaped plate drives the second C-shaped plate and the first C-shaped plate to move to the rearmost end, an oil barrel moves to the right end of the first C-shaped plate through the second C-shaped plate, the first C-shaped plate limits the oil barrels to be filled, after filling, the third driving motor drives the threaded rod to rotate, the threaded rod drives the connecting straight block to move forwards, the connecting straight block drives the U-shaped plate to move forwards, the U-shaped plate drives the second C-shaped plate and the first C-shaped plate to move forwards, the second C-shaped plate and the first C-shaped plate move to the foremost end, the second C-shaped plate and the first C-shaped plate block the right end of the oil barrels to be discharged from the lower end of the oil barrel conveniently;
according to the quantitative blanking device, the cylinder of the quantitative blanking structure is started according to the quantitative blanking, the cylinder drives the baffle to move through the n-shaped plate and the Z-shaped frame, the cylinder is stopped when the storage capacity below the baffle meets the quantitative requirement, the rotary electromagnet drives the rotary shaft to rotate during the feeding, the rotary shaft drives the cover plate to rotate to the outer side of the blanking hole, the rotary electromagnet resets after the feeding is finished, the rotary electromagnet drives the cover plate to rotate right above the blanking hole to block the blanking hole, and then the storage capacity below the baffle is subjected to quantitative blanking through the blanking pipe, so that the quantitative blanking can be conveniently carried out by the device;
according to the invention, the polymer resin and the water-soluble resin are initiated by the initiator to form resin free radicals, the free radicals and the monomers are subjected to chain reaction polymerization and are crosslinked into a macromolecular network structure, so that a resin adhesive with higher overall strength is formed, and the polymer resin adhesive for oil-water well profile control and water plugging can effectively plug oil-water well cracks, karst cave water flooding and water channeling, so that the deep profile control of an oil reservoir can be realized, the plugging effect is ideal, and the practical use is facilitated; the high molecular resin adhesive for profile control and water shutoff of the oil-water well is resistant to temperature and salt, has low viscosity before gelling and good injection performance, does not need to move a tubular column during construction, allows the plugging agent to enter a water channeling high flow guide channel preferentially, performs selective plugging, adjusts the pressure difference of an oil-water channel of a reservoir after gelling, increases the flow area, achieves the purpose of controlling water and increasing oil, and realizes effective water shutoff by uniformly spreading a pure viscous fluid to a dominant channel.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the manufacturing process of the present invention;
FIG. 2 is a graph of injection velocity versus injection pressure for sand packed pipes of different permeability according to the present invention;
FIG. 3 is a diagram of a Sydansk bottle visualization of the present invention;
FIG. 4 is a water flooding curve diagram of a 30m long sand-packed pipe filled with 10m plugging agent to form gel;
FIG. 5 is a graph showing the plugging rate of the resin paste according to the present invention;
FIG. 6 is a graph of the relationship between plugging rate and injection amount of the present invention;
FIG. 7 is an incoming water channeling, blocking and water extracting curve of an H2410 well injection well in Xinjiang oil field;
FIG. 8 is a pressure curve diagram of plugging of G26-24 wells of water injection wells in the Jidong oilfield according to the present invention;
FIG. 9 is a scanning electron microscope image of the polymer resin adhesive of the present invention;
FIG. 10 is a graph of the resistance coefficients for different travel positions in an embodiment of the present invention;
FIG. 11 is a water absorption cross section of a water injection well G26-24 in a Jidong oilfield according to the present invention;
FIG. 12 is a graph of production data for G26-24 wells of a water injection well in the Jidong oilfield of the present invention;
FIG. 13 is a schematic structural view of the present invention;
FIG. 14 is a rear elevational view of the structure of the present invention;
FIG. 15 is a top view of a structure of the present invention;
FIG. 16 is a structural cross-sectional view of the present invention;
FIG. 17 is a bottom view in cross-section of the structure of the present invention;
FIG. 18 is a right side cross-sectional view of the structure of the present invention;
FIG. 19 is a schematic view of the centralizing structure of the invention;
FIG. 20 is an enlarged view of the structure at A of FIG. 17 in accordance with the present invention;
FIG. 21 is an enlarged view of the structure at B in FIG. 18 according to the present invention;
FIG. 22 is a schematic view of a rotatable shaft and its attachment structure according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. the automatic feeding device comprises a first support frame 2, a first driving motor 3, a conveyor belt 4, a righting structure 401, a bolt 402, a positioning hole 403, a sliding transverse plate 404, a tension spring 405, a convex block 406, a straight limiting plate 407, a inclined guide plate 408, a sliding hole 5, a second support frame 6, a positioning structure 601, a first C-shaped plate 602, a second C-shaped plate 603, a sliding groove 604, a threaded rod 605, a rotating rod 606, a threaded groove 607, a U-shaped plate 608, a connecting straight block 609, a second driving motor 610, a third driving motor 611, a sliding plate 7, a control valve 8, a feeding pipe 9, a charging barrel 10, a quantitative feeding structure 1001, a third support frame 1002, a gas pipe 1003, a gas cylinder 1004, a housing 1005, an n-shaped plate 1006, a baffle 1007, a feeding hole 1008, a Z-shaped frame 1009, a rotating electromagnet 1010, a cover plate 1011 and a rotating shaft.
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.
The present invention will be further described with reference to the following examples.
Example 1
As shown in the figures 1-8 of the drawings,
the high molecular resin adhesive for oil and water well profile control and water shutoff consists of the following components: 3% of high polymer resin, 4% of water-soluble monomer, 0.1% of cross-linking agent, 0.01% of initiator, 0.2% of oxygen scavenger, 0.1% of acid-resistant stabilizer and the balance of water.
The high polymer resin is carboxymethyl starch.
The water-soluble monomer is 2-acrylamide-2-methylpropanesulfonic acid.
The cross-linking agent is N-methylformamide.
The initiator is potassium peroxypyrophosphate.
The oxygen scavenger is sodium bisulfite.
The antacid stabilizer is scleroglucan.
A preparation process of a high molecular resin adhesive for oil and water well profile control and water plugging comprises the following steps:
step 1, placing a beaker on a platform below a stirring rod of a digital display mechanical stirrer, adding water into the beaker, adjusting the height of the stirring rod until the stirring rod is completely submerged in water, opening a rotating speed adjusting knob, and adjusting the rotating speed to 700rpm;
step 2, adding an antacid stabilizer on the basis of the step 1, and continuously shearing for 32min until the scleroglucan is dissolved;
step 3, slowly introducing the polymer resin into the water surface under shearing on the basis of the step 2, reducing the rotating speed of a stirrer to 400rpm to obtain a homogeneous solution, and continuously stirring for 25min after the polymer resin is completely dissolved into the water;
step 4, adding the water-soluble monomer based on the step 3, and shearing for 10min until the water-soluble monomer is uniformly dissolved;
step 5, sequentially adding a cross-linking agent, an oxygen scavenger and an initiator on the basis of the step 4, stirring and shearing for 10min, and thus finishing the preparation of the polymer resin adhesive solution;
and 6, pouring the prepared polymer resin adhesive solution into a high-temperature-resistant sealed test tube on the basis of the step 5, sealing the test tube, standing the test tube in a 120-DEG C constant-temperature aging oven for about 4 hours, filling the test tube through a quantitative structure after standing, and filling to obtain the polymer resin adhesive for profile control and water plugging of the oil-water well.
Example 2
Example 2 is a further modification of example 1.
As shown in the figures 1-8 of the drawings,
the high molecular resin adhesive for oil and water well profile control and water shutoff consists of the following components: 4% of high polymer resin, 3% of water-soluble monomer, 0.2% of cross-linking agent, 0.05% of initiator, 0.2% of deoxidant, 0.2% of acid-resistant stabilizer and the balance of water.
The high polymer resin is carboxymethyl starch.
The water-soluble monomer is 2-acrylamide-2-methylpropanesulfonic acid.
The cross-linking agent is N-methylformamide.
The initiator is potassium peroxypyrophosphate.
The oxygen scavenger is sodium bisulfite.
The antacid stabilizer is scleroglucan.
A preparation process of a high-molecular resin adhesive for oil and water well profile control and water plugging comprises the following steps:
step 1, placing a beaker on a platform below a stirring rod of a digital display mechanical stirrer, adding water into the beaker, adjusting the height of the stirring rod until the stirring rod completely submerges over the water surface, opening a rotation speed adjusting knob, and adjusting the rotation speed to 800rpm;
step 2, adding an antacid stabilizer on the basis of the step 1, and continuously shearing for 28min until the scleroglucan is dissolved;
step 3, slowly draining the polymer resin and adding the polymer resin into the water surface being sheared on the basis of the step 2, reducing the rotating speed of a stirrer to 300rpm to obtain a homogeneous solution, and continuously stirring for 30min after the polymer resin is completely dissolved into water;
step 4, adding the water-soluble monomer based on the step 3, and shearing for 5min until the water-soluble monomer is uniformly dissolved;
step 5, sequentially adding a cross-linking agent, an oxygen scavenger and an initiator on the basis of the step 4, and stirring and shearing for 5min, so that the preparation of the polymer resin glue solution is finished;
and 6, pouring the prepared polymer resin adhesive solution into a high-temperature-resistant sealed test tube on the basis of the step 5, sealing the test tube, standing in a 120-DEG C constant-temperature aging oven for about 5 hours, filling through a quantitative structure after standing, and filling to obtain the polymer resin adhesive for oil-water well profile control and water plugging.
The detection standards of the detection of the embodiment 1 and the embodiment 2 are Q/SH1020 1493-2014/strong jelly
Item Index (I) Index (es)
Gel strength ≥9x10 6 mpa.s ≥1x10 5 mpa.s
Modulus of elasticity Pa ≥10 ≥10
Rate of water blockage ≥93% ≥95%
Water plugging rate after 100PV water scouring ≥85% ≥90%
Viscosity retention after 7 days at constant temperature ≥98% ≥98%
Gel forming time ≤7h ≤7h
Breakthrough pressure gradient 6.5MPa/m 8.8MPa/m
The polymer resin and the water-soluble resin are initiated by the initiator to form resin free radicals, and the free radicals and the monomers are subjected to chain reaction polymerization and are crosslinked into a macromolecular network structure to form a resin adhesive with higher integral strength.
Detailed description of the preferred embodiment
As shown in fig. 9, after the polymer resin adhesive is injected, the scanning electron microscope is used for blocking the water flow dominant channel in an integral slug type like the polymer resin adhesive, the polymer resin adhesive is resistant to temperature and salt, has good injection performance due to low viscosity before gelling, does not need to move a tubular column during construction, allows the blocking agent to enter the water channeling high flow guide channel preferentially, is selectively blocked, adjusts the pressure difference of the reservoir oil-water channel after gelling, increases the flow area, achieves the purpose of controlling water and increasing oil, and allows the pure viscous fluid to uniformly flow to the dominant channel to realize effective water blocking.
The specific operation is as follows:
during the process of injecting 10m of plugging agent into a 30m long sand-packed pipe, the plugging agent migrates in a porous medium in a manner of a slug, the resistance coefficient slowly decreases in the migration process, namely the apparent viscosity of the plugging agent decreases along with shearing, when the plugging agent migrates to a position of 8.16m from an inlet, the resistance coefficient decreases from 50 to about 40, and the corresponding apparent viscosity decreases by about 20%, and the plugging agent has certain shear resistance, as shown in detail in figure 10. The long sand-packed pipe plugging experimental result shows that after the resin adhesive plugs the pore passage, the high-molecular resin adhesive has good scour resistance at the same time, and the details are shown in table 1.
TABLE 1
Figure BDA0003531320040000131
The Jidong oil field G26-24 is a 5-section high single well in the high and deep northern area, the water absorption profile is measured in 8.8 months and 17 days in 2017, the data show that a 28# layer absorbs 24.82% of water, a 29# layer absorbs 75.18% of water, the layer is a main water absorption layer, and the profile control is carried out on the well according to research determination and requirements of controlling the 28# and 29# main water absorption layers corresponding to the high water content of the oil well. Profile control construction is carried out in 2018, 5 months and 10 days, the temperature of the well stratum is about 130 ℃, the selected polymer resin gel is injected into 430 squares, and water injection is recovered after the well is closed for 3 days.
As shown in fig. 11 and 12, after the well is profiled, the water absorption of the main water absorption layer 29# layer is reduced from 75.18% before construction to 31.77%; the No. 28 layer is reduced to 0 from 24.82 percent before construction, and does not absorb water at all. And the 27b # layer is restarted, the water absorption capacity is 50.52 percent, the water absorption capacity of the 30# layer is 17.71 percent, the water absorption profile is effectively improved, and the shallow adjustment construction is very successful.
Example 3
Example 3 is a further modification to example 1.
As shown in fig. 13 to 22, a polymer resin adhesive device for profile control and water plugging of an oil well and a water well is a quantitative structure in the third step, and comprises first support frames 1, wherein a conveyor belt 3 is rotatably connected between the first support frames 1 through bearings fixedly connected with each other, a first driving motor 2 is fixedly installed on the rear side wall of each first support frame 1, and the first driving motor 2 is fixedly connected with one end of a rotating shaft of the conveyor belt 3;
the top of the first support frame 1 is used for a righting structure 4 for guiding oil drums, the righting structure 4 comprises a bolt 401, a positioning hole 402, a sliding transverse plate 403, a tension spring 404, a convex block 405, a straight limiting plate 406, an inclined guiding plate 407 and a sliding hole 408, the top of the convex block 405 is fixedly connected with the tension spring 404, the top of the tension spring 404 is fixedly connected with the bolt 401, the convex block 405 is provided with the sliding hole 408, the sliding transverse plate 403 is attached to and slidably connected with the sliding transverse plate 408, the sliding transverse plate 403 is uniformly provided with the positioning hole 402, the restoring force of the tension spring 404 drives the bottom of the bolt 401 to be inserted into the positioning hole 402, the inner end of the sliding transverse plate 403 is fixedly connected with a straight limiting plate 406, the right end of the straight limiting plate 406 is fixedly connected with the inclined guiding plate 407, the convex block 405 is fixedly mounted at the top of the first support frame 1, the convex block 405 is arranged at the right end of the second support frame 5, the positioning hole 402 of the righting structure 4 is selected according to the size of the oil drum filled quantitatively, the bolt 401 is pulled upwards, the sliding transverse plate 403 slides, the sliding transverse plate 403 drives the positioning hole 406 to move the straight limiting plate 406 to be conveniently, and then the straight guiding oil drums are filled into the straight limiting plate 406 in the straight guiding position under the straight guiding plate 406 through the straight guiding plate 406 and then the straight guiding plate 406;
the left end of the righting structure 4 of the first support frame 1 is provided with a second support frame 5, the top of the second support frame 5 is fixedly connected with a charging barrel 9, the top of the charging barrel 9 is connected with a quantitative blanking structure 10, the quantitative blanking structure 10 comprises a third support frame 1001, an air pipe 1002, an air cylinder 1003, an outer cover 1004, an n-shaped plate 1005, a baffle 1006, a blanking hole 1007, a Z-shaped frame 1008, a rotary electromagnet 1009, a cover plate 1010 and a rotating shaft 1011, the top of the third support frame 1001 is fixedly connected with the air cylinder 1003, the bottom of the air cylinder 1003 is fixedly connected with the n-shaped plate 1005, the bottom of the n-shaped plate 1005 is fixedly connected with the Z-shaped frame 1008, the bottom of the Z-shaped frame 1008 is fixedly connected with a baffle 1006, the outer wall of the baffle 1006 is in fit sliding connection with the interior of the charging barrel 9, one end of the baffle 1006 is provided with the blanking hole for blanking, the top of the Z-shaped frame 1008 is fixedly connected with the outer cover 1004 and the rotary electromagnet 1007, the outer cover 1004 is arranged outside the rotary electromagnet 1009, the output end of the rotating electromagnet 1009 is fixedly connected with a rotating shaft 1011, the bottom of the rotating shaft 1011 is fixedly connected with a cover plate 1010, the bottom plate of the cover plate 1010 is in fit sliding connection with the top of the baffle 1006, a straight hole at the top of the cover plate 1010 is fixedly connected with an air pipe 1002 for balancing pressure below the baffle 1006, the rotating electromagnet 1009 drives the rotating shaft 1011 to rotate during feeding, the rotating shaft 1011 drives the cover plate 1010 to rotate to the outer side of the blanking hole 1007, the rotating electromagnet 1009 resets after feeding, the rotating electromagnet 1009 drives the cover plate 1010 to rotate to block the blanking hole 1007 right above the blanking hole, the third support frame 1001 is fixedly arranged at the top of the charging barrel 9, the air pipe 1002 guides air into the baffle 1006 during blanking, discharge of materials below the baffle 1006 is ensured, the air cylinder 1003 of the quantitative blanking structure 10 is started according to quantitative blanking, the air cylinder 1003 drives the baffle 1006 to move through the n-shaped plate 1005 and the Z-shaped frame 1008, stopping the air cylinder 1003 when the storage amount below the baffle 1006 meets the quantitative requirement, driving the rotating shaft 1011 to rotate by the rotating electromagnet 1009 during feeding, driving the cover plate 1010 to rotate to the outer side of the blanking hole 1007 by the rotating shaft 1011, resetting the rotating electromagnet 1009 after feeding is finished, driving the cover plate 1010 to rotate by the rotating electromagnet 1009 to block the blanking hole 1007, and then quantitatively blanking the storage amount below the baffle 1006 through the blanking pipe 8, so that the device is convenient for quantitatively blanking;
the bottom of the charging barrel 9 is fixedly connected with a discharging pipe 8, and the discharging pipe 8 is fixedly provided with a control valve 7.
Example 4
Example 4 is a further modification of example 3.
As shown in fig. 13 to 22, a positioning structure 6 for oil drum limiting is disposed below the discharging pipe 8 of the first supporting frame 1, the positioning structure 6 includes a first C-shaped plate 601, a second C-shaped plate 602, a sliding groove 603, a threaded rod 604, a rotating rod 605, a threaded groove 606, a U-shaped plate 607, a connecting straight block 608, a second driving motor 609, a third driving motor 610 and a sliding plate 611, an output end of the third driving motor 610 is fixedly connected with the threaded rod 604, the threaded rod 604 is in threaded connection with the connecting straight block 608, a top of the connecting straight block 608 is fixedly connected with the U-shaped plate 607, one end of the U-shaped plate 607 is fixedly connected with the second driving motor 609, an output end of the second driving motor 609 is fixedly connected with the rotating rod 605, the threaded groove 606 is symmetrically formed in the rotating rod 605, the sliding plate 611 is in threaded connection with the rotating rod 605 through the threaded groove 606, side walls of the sliding plate 611 are respectively fixedly connected with the second C-shaped plate 602 and the first C-shaped plate 601, the side wall of the first support frame 1 is provided with a sliding groove 603 which is matched with the second C-shaped plate 602 and the first C-shaped plate 601 for use, the third driving motor 610 is fixedly installed on the side wall of the first support frame 1, the side wall of the first support frame 1 is rotatably connected with the threaded rod 604 through a bearing which is fixedly connected, the upright part of the U-shaped plate 607 is rotatably connected with a rotating rod 605 through a bearing which is fixedly connected, the second C-shaped plate 602 and the first C-shaped plate 601 are arranged at two ends of the blanking pipe 8, the second driving motor 609 of the positioning structure 6 drives the rotating rod 605 to rotate, the rotating rod 605 drives the sliding plate 611 to move through the threaded groove 606, the sliding plate 611 drives the first C-shaped plate 601 and the second C-shaped plate 602 to move, so that the first C-shaped plate 601 and the second C-shaped plate 602 are suitable for oil drum sizes of different quantitative filling, before filling, the threaded rod 604 is driven by the third driving motor 610 to rotate, the threaded rod 604 drives the connecting straight block 608 to move backwards, the connecting straight block 608 drives the U-shaped plate 607 to move backwards, the U-shaped plate 607 drives the second C-shaped plate 602 and the first C-shaped plate 601 to move backwards, the second C-shaped plate 602 and the first C-shaped plate 601 move to the rearmost end, the oil drum moves to the right end of the first C-shaped plate 601 through the second C-shaped plate 602, the first C-shaped plate 601 limits the oil drum and then fills the oil drum, after filling, the third driving motor 610 drives the threaded rod 604 to rotate, the threaded rod 604 drives the connecting straight block 608 to move forwards, the connecting straight block 608 drives the U-shaped plate 607 to move forwards, the U-shaped plate 607 drives the second C-shaped plate 602 and the first C-shaped plate 601 to move forwards, the second C-shaped plate 602 and the first C-shaped plate 601 move to the foremost end, the second C-shaped plate 602 blocks the oil drum on the right side of the second C-shaped plate 602, the oil drum at the right end of the first C-shaped plate 601 is discharged from the first C-shaped plate 601, and the oil drum is conveniently limited below the discharging pipe 8 in sequence.
When the quantitative filling device is used, the air cylinder 1003 of the quantitative blanking structure 10 is started according to quantitative filling requirements, the air cylinder 1003 drives the baffle 1006 to move through the n-shaped plate 1005 and the Z-shaped frame 1008, and the air cylinder 1003 is stopped when the storage capacity below the baffle 1006 meets the quantitative requirements;
selecting a positioning hole 402 of a righting structure 4 according to the size of an oil drum for quantitative filling, pulling a bolt 401 upwards, sliding a transverse plate 403, wherein the sliding transverse plate 403 drives the selected positioning hole 402 to move to the position below the bolt 401, the restoring force of a pull spring 404 after the bolt 401 is loosened drives the bolt 401 to be inserted into the positioning hole 402, so that the oil drum suitable for quantitative filling is arranged between the straight positioning plates 406, a second driving motor 609 of the positioning structure 6 drives a rotating rod 605 to rotate, the rotating rod 605 drives a sliding plate 611 to move through a thread groove 606, and the sliding plate 611 drives a first C-shaped plate 601 and a second C-shaped plate 602 to move, so that the oil drums suitable for different quantitative filling are arranged between the first C-shaped plate 601 and the second C-shaped plate 602; before filling, a third driving motor 610 drives a threaded rod 604 to rotate, the threaded rod 604 drives a connecting straight block 608 to move backwards, the connecting straight block 608 drives a U-shaped plate 607 to move backwards, the U-shaped plate 607 drives a second C-shaped plate 602 and a first C-shaped plate 601 to move backwards, the second C-shaped plate 602 and the first C-shaped plate 601 move to the rearmost end, an oil drum is placed on a conveyor belt 3, a first driving motor 2 drives the conveyor belt 3 to move, the conveyor belt 3 drives the oil drum to move, an inclined guide plate 407 facilitates guiding a quantitatively filled oil drum into a straight limiting plate 406, the oil drum moves to the lower side of a discharging pipe 8 through the straight limiting plate 406, the oil drum moves to the right end of the first C-shaped plate 601 through the second C-shaped plate 602, the first C-shaped plate 601 limits the oil drum and then fills, the oil drum is conveniently limited in sequence under the discharging pipe 8, then the baffle 1006 drives a rotating electromagnet 1011 to rotate, the rotating electromagnet 1011 drives a cover plate 1010 to rotate to the outer side of the discharging hole 1007, the discharging pipe 1007 drives a discharging pipe to move from the lower side of the straight plate 602, the straight plate 602, the straight plate 610 and the straight plate, the straight plate 610 drives the straight plate 602 to move forward, the straight plate 602 to drive the straight plate to block the discharging pipe 1007, the straight plate 602, the straight plate to drive the straight plate to move forward, the straight plate 602, the straight plate to the straight plate 602, the straight plate 602, the straight plate to drive the straight plate to block the straight plate to move forward, the threaded rod 604 drives the straight connecting block 608 to move backwards, the straight connecting block 608 drives the U-shaped plate 607 to move backwards, the U-shaped plate 607 drives the second C-shaped plate 602 and the first C-shaped plate 601 to move backwards, and the second C-shaped plate 602 and the first C-shaped plate 601 move to the rearmost end.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (1)

1. A quantitative structure of a high polymer resin adhesive for profile control and water plugging of an oil-water well is characterized by comprising first support frames (1), wherein a conveyor belt (3) is rotatably connected between the first support frames (1) through bearings fixedly connected, a first driving motor (2) is fixedly installed on the rear side wall of each first support frame (1), and the first driving motor (2) is fixedly connected with one end of a rotating shaft of the conveyor belt (3);
the top of the first support frame (1) comprises a righting structure (4) for guiding an oil drum, the righting structure (4) comprises a bolt (401), a positioning hole (402), a sliding transverse plate (403), a tension spring (404), a convex block (405), a straight limiting plate (406), an inclined guiding plate (407) and a sliding hole (408), the top of the convex block (405) is fixedly connected with the tension spring (404), the top of the tension spring (404) is fixedly connected with the bolt (401), the convex block (405) is provided with the sliding hole (408), the sliding transverse plate (403) is connected with the sliding transverse plate (403) in a fit sliding manner, the sliding transverse plate (403) is uniformly provided with the positioning hole (402), the bottom of the tension spring (404) driving the bolt (401) is inserted into the positioning hole (402), the inner end of the sliding transverse plate (403) is fixedly connected with a straight limiting plate (406), the right end of the straight limiting plate (406) is fixedly connected with the inclined guiding plate (407), the convex block (405) is fixedly mounted at the top of the first support frame (1), and the convex block (405) is arranged at the right end of the second support frame (5);
the first support frame (1) is provided with a second support frame (5) at the left end of the righting structure (4), the top of the second support frame (5) is fixedly connected with a charging barrel (9), the top of the charging barrel (9) is connected with a quantitative blanking structure (10), the quantitative blanking structure (10) comprises a third support frame (1001), an air pipe (1002), an air cylinder (1003), a housing (1004), an n-shaped plate (1005), a baffle (1006), a blanking hole (1007), a Z-shaped frame (1008), a rotary electromagnet (1009), a cover plate (1010) and a rotating shaft (1011), the top of the third support frame (1001) is fixedly connected with the air cylinder (1003), the bottom of the air cylinder (1005) is fixedly connected with the n-shaped plate (1005), the bottom of the n-shaped plate (1005) is fixedly connected with the Z-shaped frame (1008), the bottom of the Z-shaped frame (1008) is fixedly connected with the baffle (1006), the outer wall of the baffle (1006) is in sliding connection with the interior of the charging barrel (9), one end of the baffle (1006) is provided with the blanking hole (1007) for blanking, the top of the Z-shaped frame (1008) is fixedly connected with the housing (1004), the outer wall of the outer cover (1004), and the outer side of the rotary electromagnet (1006) is arranged at the output end of the rotary electromagnet (1011), a cover plate (1010) is fixedly connected to the bottom of the rotating shaft (1011), a bottom plate of the cover plate (1010) is attached to the top of the baffle (1006) in a sliding connection mode, and an air pipe (1002) used for balancing pressure below the baffle (1006) is fixedly connected to a straight hole in the top of the cover plate (1010);
the bottom of the charging barrel (9) is fixedly connected with a discharging pipe (8), and the discharging pipe (8) is fixedly provided with a control valve (7);
first support frame (1) is equipped with in the below department of unloading pipe (8) and is used for spacing location structure (6) of oil drum, location structure (6) include first C shaped plate (601), second C shaped plate (602), sliding tray (603), threaded rod (604), dwang (605), thread groove (606), U shaped plate (607), connect straight piece (608), second driving motor (609), third driving motor (610) and sliding plate (611), the output fixedly connected with threaded rod (604) of third driving motor (610), threaded rod (604) threaded connection has connection straight piece (608), the top fixedly connected with U shaped plate (607) of connection straight piece (608), the one end fixedly connected with second driving motor (609) of U shaped plate (607), the output fixedly connected with threaded rod (609) of second driving motor (609), thread groove (606) have been seted up to dwang (605) symmetry, dwang (605) have sliding plate (611) through thread groove (606), the lateral wall of sliding plate (611) is fixedly connected with second C shaped plate (602) and first C shaped plate (601) respectively.
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