CN115322761A - Easy-flowback water-locking releasing agent for natural gas well and preparation method thereof - Google Patents
Easy-flowback water-locking releasing agent for natural gas well and preparation method thereof Download PDFInfo
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- CN115322761A CN115322761A CN202210740166.1A CN202210740166A CN115322761A CN 115322761 A CN115322761 A CN 115322761A CN 202210740166 A CN202210740166 A CN 202210740166A CN 115322761 A CN115322761 A CN 115322761A
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 38
- 239000002343 natural gas well Substances 0.000 title claims abstract description 37
- 238000002156 mixing Methods 0.000 claims abstract description 60
- 238000003756 stirring Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000013543 active substance Substances 0.000 claims abstract description 29
- 239000004094 surface-active agent Substances 0.000 claims abstract description 15
- -1 perfluoroalkyl sulfonate Chemical compound 0.000 claims abstract description 14
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004386 Erythritol Substances 0.000 claims abstract description 7
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 7
- 229940009714 erythritol Drugs 0.000 claims abstract description 7
- 235000019414 erythritol Nutrition 0.000 claims abstract description 7
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920000570 polyether Polymers 0.000 claims abstract description 7
- 229920005862 polyol Polymers 0.000 claims abstract description 7
- 150000003077 polyols Chemical class 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 59
- 238000003860 storage Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 15
- 238000004146 energy storage Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000033228 biological regulation Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims 4
- 241001330002 Bambuseae Species 0.000 claims 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 4
- 239000011425 bamboo Substances 0.000 claims 4
- 230000001502 supplementing effect Effects 0.000 claims 2
- 230000005389 magnetism Effects 0.000 claims 1
- 239000003973 paint Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000006185 dispersion Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 7
- 239000012190 activator Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 239000012747 synergistic agent Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/808—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers driven from the bottom of the receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/222—Control or regulation of the operation of the driving system, e.g. torque, speed or power of motors; of the position of mixing devices or elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
- B01F35/718051—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings being adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/584—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
Abstract
The invention belongs to the technical field of preparation of water-blocking release agents, and particularly relates to a water-blocking release agent easy to flow back for a natural gas well and a preparation method thereof, wherein the water-blocking release agent comprises the following components in percentage by mass: perfluoroalkyl sulfonate type fluorocarbon surfactant: 6 to 18 percent; 6 to 18 percent of mannose erythritol lipid surfactant; 8 to 35 percent of polyether polyol synergist; water: 33 to 80 percent. The invention can realize mixing and stirring, active agent dispersion feeding, synergist automatic adding and production temperature automatic adjustment by only one motor power source, is convenient to operate, is easy to control and saves energy.
Description
Technical Field
The invention belongs to the technical field of preparation of water-releasing and water-locking agents, and particularly relates to a water-releasing and water-locking agent easy to flow back for a natural gas well and a preparation method thereof.
Background
Water lock damage is widely present in the development of natural gas reservoirs and oil reservoirs. In the drilling and production process of an oil and gas field, after external fluids such as completion fluid, drilling fluid, fracturing fluid and the like enter an oil and gas field reservoir, due to the retention effect of capillary force, the retained fluid cannot be completely discharged out of the reservoir under the action of the formation pressure, so that the water saturation of the reservoir is continuously increased, the permeability is continuously reduced, and water lock damage is caused.
At present, the water lock releasing damage of the natural gas reservoir adopts physical means such as production pressure increase, thermal cleaning, formation fracturing and the like, and the most main water lock releasing method is to use a water lock releasing agent. The water lock releasing agent is used for promoting the discharge of blocking water in the natural gas reservoir stratum in modes of reducing the surface tension of water, regulating the wettability of the stratum, reducing the viscosity of fluid and the like by using agents such as a surfactant and the like, so that the effect of releasing water lock damage is achieved.
At present, in the preparation process of the water-releasing locking agent, various preparations need to be added and prepared respectively and quantitatively, materials are preferably added in a weight mode to ensure the stirring quality and efficiency, manual timing operation is needed, the water-releasing locking agent is obviously very complicated and inconvenient, and in addition, when the synergistic auxiliary agent is added finally, heating operation needs to be carried out, the water-releasing locking agent also needs to be manually involved, so that the whole production process of the water-releasing locking agent is complicated and inconvenient, the labor cost is high, and mistakes are easy to occur.
Therefore, the easy-flowback water-locking releasing agent for the natural gas well and the preparation method are provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems and provides a water locking agent easy to flow back for a natural gas well and a preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: the easy-flowback water-unlocking agent for the natural gas well comprises the following components in percentage by mass: perfluoroalkyl sulfonate type fluorocarbon surfactant: 6 to 18 percent;
6 to 18 percent of mannose erythritol lipid surfactant;
8-35% of polyether polyol synergist;
water: 33 to 80 percent.
A preparation method of an easy-flowback water-unlocking agent for a natural gas well comprises the following steps:
s1, adding a perfluoroalkyl sulfonate type fluorocarbon surfactant, a mannose erythritol ester surfactant and part of water in a mixing and stirring device in a quantitative manner, controlling the temperature at 30-40 ℃, and mixing and stirring for 1h;
s2, adding the polyether polyol synergist and the residual water into the mixing and stirring equipment, raising the temperature to 40-80 ℃, and continuously mixing and stirring to obtain the water-unlocking agent;
above-mentioned natural gas well is with mixing stirring equipment that easily flowback water-splitting lock agent preparation in-process used includes the blending tank, the relative one side inner wall rotation of upper and lower of blending tank is connected with the puddler, a plurality of stirring vane of pole wall symmetry fixedly connected with of puddler, the fixed agitator motor that is provided with of lower extreme of blending tank, agitator motor's the upper end output shaft and the lower extreme fixed connection of puddler, the upper end of puddler runs through the upper end of blending tank, and the first cam of fixedly connected with, the upper end fixed mounting of blending tank has active agent feeding mechanism and synergist feeding mechanism, the fixed heater strip that is provided with the disk setting of inner wall of blending tank, the fixed current adjustment mechanism who is connected with heater strip supply circuit that is provided with in the outside of blending tank, connect through drive mechanism between synergist feeding mechanism and the current adjustment mechanism.
In the above-mentioned easy flowback water-release locking agent for natural gas well and preparation method, activator feeding mechanism includes the activator storage box, the activator storage box internal fixation is provided with the fixed plate, the socket has been seted up to the lateral wall of activator storage box, and corresponds socket internal seal plug bush and have the fly leaf, a plurality of logical material mouths that correspond the setting have all been seted up on the surface of fixed plate and fly leaf, the outside fixedly connected with atress board of fly leaf, a plurality of reset spring of fixedly connected with between atress board and the activator storage box, the lower extreme and the blending tank intercommunication of activator storage box.
In the above-mentioned easy flowback water-splitting locking agent for natural gas well and preparation method, synergist feeding mechanism includes the synergist storage box, be provided with the break-make shell on the lower extreme discharging pipe of synergist storage box, rotate through the transmission shaft in the break-make shell and be connected with the valve plate, the one end of transmission shaft runs through and stretches out outside the break-make shell, and fixedly connected with upset gear, the upper end rear side of blending tank is fixed and is provided with elastic energy storage mechanism, the output fixedly connected with cunning of elastic energy storage mechanism connects at the rack of blending tank upper end, rack and upset gear meshing, the upper end of blending tank still fixedly is provided with the pressure boost case, be provided with the piston board in the pressure boost case, many extrusion push rods of lateral wall fixedly connected with of piston board, many extrusion push rod's one end runs through and stretches out outside the pressure boost case, and the same extrusion push plate of fixedly connected with between extrusion push rod and the pressure boost case establish the return spring outside extrusion push rod, communicate through the breather pipe between pressure boost case and the elastic energy storage mechanism, still be provided with the gas inlet, all be equipped with the check valve on gas inlet and the breather pipe.
In the above-mentioned easy flowback water-splitting locking agent for natural gas well and preparation method, current adjustment mechanism is including the fixed just insulating regulation shell that sets up in the blending tank outside, the regulation shell internal fixation is provided with the resistance strip, sliding connection has the regulating block on the regulation shell, one side fixedly connected with of regulating block and the electrically conductive splicing of resistance strip contact, the upper end fixedly connected with lifter of regulating block.
In the above-mentioned easy-flowback water-release locking agent for a natural gas well and the preparation method thereof, the transmission mechanism comprises a bearing seat fixedly connected to the upper end of the mixing tank, a connecting shaft is rotatably sleeved in the bearing seat through a ball bearing, one end of the connecting shaft is fixedly connected with a transmission gear meshed with the rack, and the other end of the connecting shaft is fixedly connected with a second cam.
In the above-mentioned easy-flowback water-splitting locking agent for a natural gas well and the preparation method thereof, the elastic energy storage mechanism comprises a positioning cylinder, an air pressure piston is sleeved in the positioning cylinder, a compression spring is fixedly connected to the front side of the air pressure piston, an opening is formed in the front side of the positioning cylinder, an end cover is magnetically connected to the corresponding opening, a first annular magnetic block is fixedly embedded in the rear side of the end cover, and a second annular magnetic block is fixedly embedded in the front end of the positioning cylinder.
In the above-mentioned easy-flowback water-lock release agent for natural gas wells and the preparation method thereof, the outer side of the end cover is symmetrically and fixedly connected with a plurality of limiting slide bars, and the outer side of the front end of the positioning cylinder is fixedly connected with a plurality of limiting slide cylinders which are slidably sleeved with the limiting slide bars.
Compared with the prior art, the invention provides the easy-flowback water-unlocking agent for the natural gas well and the preparation method thereof, and the agent has the following beneficial effects:
1. according to the easy-backflow water-unlocking agent for the natural gas well and the preparation method, the intermittent type feeding of the active agent can be realized through the mixing tank, the stirring rod, the stirring blade, the stirring motor, the first cam and the active agent feeding mechanism, the feeding uniformity is ensured, the stirring quality and efficiency are further improved, the agent is linked with the stirring motor, extra power equipment is not needed, the energy is saved, and the agent is easy to control.
2. According to the easy-return water-lock releasing agent for the natural gas well and the preparation method thereof, the synergist feeding mechanism and the elastic energy storage mechanism are arranged, so that the synergist can be automatically added after the active agent is stirred for a certain time, manual control and timing operation are not needed, the operation is rapid and convenient, additional power equipment is not needed, and the production integrity is better.
3. According to the easy-flowback water-releasing locking agent for the natural gas well and the preparation method, the transmission mechanism and the current adjusting mechanism are arranged, so that the current can be automatically adjusted to be introduced into the heating wire when the synergist is added, the production temperature is further increased, linkage control can be realized, and the operation is convenient.
In summary, the following steps: this application only can realize compounding stirring, active agent dispersion pay-off, synergist automatic addition and to production temperature's automatically regulated through a motor power supply, convenient operation, easily control, the energy saving.
Drawings
FIG. 1 is a schematic structural diagram of a preparation method of an easy-flowback water-locking release agent for a natural gas well, which is provided by the invention;
FIG. 2 is a schematic structural diagram of an active agent feeding mechanism of the preparation method of the easy-flowback water-locking release agent for the natural gas well, which is provided by the invention;
FIG. 3 is a schematic structural diagram of a synergist feeding mechanism of the preparation method of the easy-flowback water-locking release agent for a natural gas well, provided by the invention;
FIG. 4 is a schematic structural diagram of a pressure increasing tank of the preparation method of the easy-flowback water-locking release agent for the natural gas well, provided by the invention;
FIG. 5 is a schematic structural diagram of a current adjusting mechanism of the preparation method of the easy-flowback water-locking release agent for the natural gas well, provided by the invention;
fig. 6 is a schematic structural diagram of an elastic energy storage mechanism of the preparation method of the easy-flowback water-locking release agent for a natural gas well, which is provided by the invention.
In the figure: 1. a mixing tank; 2. a stirring rod; 3. a stirring blade; 4. a stirring motor; 5. a first cam; 6. an active agent feeding mechanism; 61. an active agent storage tank; 62. a fixing plate; 63. a movable plate; 64. a material inlet is formed; 65. a stress plate; 66. a return spring; 7. a synergist feeding mechanism; 71. a synergist storage bin; 72. switching on and off the shell; 73. a drive shaft; 74. a valve plate; 75. turning over a gear; 76. a rack; 77. a pressurizing box; 78. a piston plate; 79. extruding a push rod; 710. extruding a plate; 711. a return spring; 712. a breather pipe; 8. heating wires; 9. a current adjusting mechanism; 91. an adjustment housing; 92. a resistor strip; 93. a regulating block; 94. a conductive tab; 95. a lifting rod; 10. a transmission mechanism; 101. a bearing seat; 102. a connecting shaft; 103. a transmission gear; 104. a second cam; 11. an elastic energy storage mechanism; 111. a positioning cylinder; 112. a pneumatic piston; 113. a compression spring; 114. an end cap; 115. a first annular magnetic block; 116. a second annular magnetic block; 117. a limiting slide bar; 118. and a limiting sliding cylinder.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Referring to fig. 1-6, an easy-flowback water-locking releasing agent for a natural gas well comprises the following components in percentage by mass: perfluoroalkyl sulfonate type fluorocarbon surfactant: 6 to 18 percent;
6 to 18 percent of mannose erythritol lipid surfactant;
8-35% of polyether polyol synergist;
water: 33 to 80 percent.
The preparation method of the easy-flowback water-locking releasing agent for the natural gas well comprises the following steps:
s1, adding a perfluoroalkyl sulfonate type fluorocarbon surfactant, a mannose erythritol ester surfactant and part of water in a mixing and stirring device in a quantitative manner, controlling the temperature at 30-40 ℃, and mixing and stirring for 1h;
s2, adding the polyether polyol synergist and the residual water into the mixing and stirring equipment, raising the temperature to 40-80 ℃, and continuously mixing and stirring to obtain the water-unlocking agent;
the mixing and stirring equipment used in the preparation process of the easy-backflow water-splitting locking agent for the natural gas well comprises a mixing tank 1, the inner wall of one side of the mixing tank 1, which is opposite to the upper side and the lower side, is rotatably connected with a stirring rod 2, a plurality of stirring blades 3 are symmetrically and fixedly connected to the rod wall of the stirring rod 2, a stirring motor 4 is fixedly arranged at the lower end of the mixing tank 1, the upper end output shaft of the stirring motor 4 is fixedly connected with the lower end of the stirring rod 2, the upper end of the stirring rod 2 penetrates through the upper end of the mixing tank 1, a first cam 5 is fixedly connected with the upper end of the mixing tank 1, an active agent feeding mechanism 6 and a synergistic agent feeding mechanism 7 are fixedly arranged at the upper end of the mixing tank 1, a heating wire 8 arranged in a disc shape is fixedly arranged on the inner wall of the mixing tank 1, a current adjusting mechanism 9 connected with a power supply circuit of the synergistic heating wire 8 is fixedly arranged at the outer side of the mixing tank 1, and the synergistic agent feeding mechanism 7 and the current adjusting mechanism 9 are connected through a transmission mechanism 10.
The active agent feeding mechanism 6 comprises an active agent storage box 61, a fixing plate 62 is fixedly arranged in the active agent storage box 61, a socket is formed in the side wall of the active agent storage box 61, a movable plate 63 is sleeved in the corresponding socket in a sealing manner, a plurality of correspondingly arranged material passing holes 64 are formed in the surfaces of the fixing plate 62 and the movable plate 63, a stress plate 65 is fixedly connected to the outer side of the movable plate 63, a plurality of return springs 66 are fixedly connected between the stress plate 65 and the active agent storage box 61, and the lower end of the active agent storage box 61 is communicated with the mixing tank 1.
The synergist feeding mechanism 7 comprises a synergist storage box 71, an on-off shell 72 is arranged on a discharge pipe at the lower end of the synergist storage box 71, a valve plate 74 is rotatably connected in the on-off shell 72 through a transmission shaft 73, one end of the transmission shaft 73 penetrates and extends out of the on-off shell 72, a turnover gear 75 is fixedly connected with the transmission shaft, an elastic energy storage mechanism 11 is fixedly arranged on the rear side of the upper end of the mixing tank 1, an output end of the elastic energy storage mechanism 11 is fixedly connected with a rack 76 which is connected to the upper end of the mixing tank 1 in a sliding mode, the rack 76 is meshed with the turnover gear 75, a pressurizing tank 77 is further fixedly arranged at the upper end of the mixing tank 1, a piston plate 78 is arranged in the pressurizing tank 77, a plurality of extrusion push rods 79 are fixedly connected to the side wall of the piston plate 78, one ends of the extrusion push rods 79 penetrate and extend out of the pressurizing tank 77 and are fixedly connected with the same extrusion push plate 710, a plurality of return springs 711 which are sleeved outside the extrusion push rods 79 are fixedly connected between the extrusion push plate 710 and the pressurizing tank 77, the pressurizing tank 11 is communicated through a vent pipe 712, a vent hole is further arranged on the pressurizing tank 77, and a check valve is arranged on the vent pipe 712.
The transmission mechanism 10 comprises a bearing seat 101 fixedly connected to the upper end of the mixing tank 1, a connecting shaft 102 is rotatably sleeved in the bearing seat 101 through a ball bearing, one end of the connecting shaft 102 is fixedly connected with a transmission gear 103 meshed with the rack 76, and the other end of the connecting shaft 102 is fixedly connected with a second cam 104.
The elastic energy storage mechanism 11 comprises a positioning cylinder 111, an air pressure piston 112 is sleeved in the positioning cylinder 111, a compression spring 113 is fixedly connected to the front side of the air pressure piston 112, an opening is formed in the front side of the positioning cylinder 111, an end cover 114 is magnetically connected to the opening, a first annular magnetic block 115 is fixedly embedded in the rear side of the end cover 114, and a second annular magnetic block 116 is fixedly embedded in the front end of the positioning cylinder 111.
A plurality of limiting slide rods 117 are symmetrically and fixedly connected to the outer side of the end cover 114, and a plurality of limiting slide cylinders 118 which are slidably sleeved with the limiting slide rods 117 are fixedly connected to the outer side of the front end of the positioning cylinder 111.
The operating principle of the present invention will now be described as follows: through the mixing tank 1, the stirring rod 2, the stirring blade 3, the stirring motor 4, the first cam 5 and the active agent feeding mechanism 6, the stirring motor 4 drives the stirring rod 2 and the stirring blade 3 to rotate so as to mix and stir the materials, the upper end of the stirring rod 2 drives the first cam 5 to synchronously rotate, the first cam 5 continuously extrudes and pushes the stress plate 65, the stress plate is matched with the reset spring 66 to reset, the movable plate 63 can be driven to move back and forth, and further, the material through holes 64 in the surfaces of the movable plate 63 and the fixed plate 62 are intermittently superposed, so that the active agent materials stored in the active agent storage box 61 automatically fall into the mixing tank 1, the intermittent feeding and feeding of the active agent can be realized, the feeding uniformity is ensured, the stirring quality and efficiency are further improved, and the stirring motor 4 is linked without additional power equipment, the energy is saved, and the control is easy;
through the synergist feeding mechanism 7 and the elastic energy storage mechanism 11, the first cam 5 can continuously push the extruding plate 710 when rotating, the extruding plate 710 pushes the piston plate 78 to move in the pressurizing box 77 through the extruding rod 79, then air is pushed into the positioning cylinder 111 through the air pipe 712, the positioning cylinder 111 is internally compressed along with the increase of air pressure, the compression spring 113 is compressed, after the active agents are mixed for a certain time, the continuous elastic force of the compression spring 113 is larger than the magnetic attraction force between the first annular magnetic block 115 and the second annular magnetic block 116 at the moment, the end cover 114 is flushed away at one moment, the rack 76 is synchronously pushed to move, the valve plate 74 is driven to turn over for 90 degrees through the meshing action of the rack 76 and the turning gear 75 and the transmission shaft 73, the discharging pipe of the synergist storage box 71 is smooth, the synergist feeding is realized, the synergist can be automatically added after the active agents are stirred for a certain time, manual control and timing operation is not needed, the operation is fast and convenient, additional power equipment is not needed, and the production integrity is better;
through the transmission mechanism 10 and the current adjusting mechanism 9, the connecting shaft 102 is driven to rotate in the bearing seat 101 through the meshing action of the rack 76 and the transmission gear 103, so that the second cam 104 is driven to rotate synchronously, the lifting rod 95 is pushed to move downwards through the cam, the lifting rod 95 pushes the adjusting block 93 to move downwards, the adjusting block 93 drives the conductive connecting sheet 94 to slide on the resistor strip 92, the resistance connected to the heating wire power supply circuit is reduced, the current is increased, the automatic adjustment of the current introduced to the heating wire 8 can be realized when the synergist is added, so that the production temperature is increased along with the increase of the current, the linkage control can be realized, and the operation is convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The easy-flowback water-unlocking agent for the natural gas well is characterized in that: the paint comprises the following components in percentage by mass: perfluoroalkyl sulfonate type fluorocarbon surfactant: 6 to 18 percent;
6 to 18 percent of mannose erythritol lipid surfactant;
8-35% of polyether polyol synergist;
water: 33 to 80 percent.
2. The preparation method of the easy-flowback water-locking releasing agent for the natural gas well based on claim 1 is characterized by comprising the following steps: the method comprises the following steps:
s1, adding a perfluoroalkyl sulfonate type fluorocarbon surfactant, a mannose erythritol ester surfactant and part of water in a mixing and stirring device in a quantitative manner, controlling the temperature at 30-40 ℃, and mixing and stirring for 1h;
s2, adding the polyether polyol synergist and the residual water into the mixing and stirring equipment, raising the temperature to 40-80 ℃, and continuously mixing and stirring to obtain the water-unlocking agent;
above-mentioned natural gas well is with mixing stirring equipment that uses in water locking agent preparation process that easily flowback includes blending tank (1), the upper and lower relative one side inner wall of blending tank (1) rotates and is connected with puddler (2), a plurality of stirring vane (3) of pole wall symmetry fixedly connected with of puddler (2), the fixed agitator motor (4) that is provided with of lower extreme of blending tank (1), the lower extreme fixed connection of upper end output shaft and puddler (2) of agitator motor (4), the upper end of blending tank (1) is run through to the upper end of puddler (2), and first cam (5) of fixedly connected with, the upper end fixed mounting of blending tank (1) has active agent feeding mechanism (6) and synergist feeding mechanism (7), the fixed heater strip (8) that are provided with the disk setting of inner wall of blending tank (1), the fixed current adjustment mechanism (9) that are provided with heater strip (8) power supply circuit connection in the outside of blending tank (1), connect through drive mechanism (10) between synergist feeding mechanism (7) and current adjustment mechanism (9).
3. The preparation method of the easy-flowback water-locking release agent for the natural gas well, according to claim 2, is characterized in that: active agent feeding mechanism (6) are including active agent storage box (61), active agent storage box (61) internal fixation is provided with fixed plate (62), the socket has been seted up to the lateral wall of active agent storage box (61), and corresponds socket internal seal plug bush has fly leaf (63), a plurality of logical material mouths (64) that correspond the setting have all been seted up on the surface of fixed plate (62) and fly leaf (63), the outside fixedly connected with atress board (65) of fly leaf (63), a plurality of reset spring (66) of fixedly connected with between atress board (65) and active agent storage box (61), the lower extreme and blending tank (1) intercommunication of active agent storage box (61).
4. The easy-flowback water-unlocking agent for the natural gas well and the preparation method of the easy-flowback water-unlocking agent are characterized in that: the synergist feeding mechanism (7) comprises a synergist storage box (71), an on-off shell (72) is arranged on the lower end of the synergist storage box (71), a valve plate (74) is rotatably connected in the on-off shell (72) through a transmission shaft (73), one end of the transmission shaft (73) penetrates through and extends out of the on-off shell (72), a turnover gear (75) is fixedly connected with the on-off shell, an elastic energy storage mechanism (11) is fixedly arranged on the rear side of the upper end of the mixing tank (1), an output end of the elastic energy storage mechanism (11) is fixedly connected with a rack (76) which is in sliding connection with the upper end of the mixing tank (1), the rack (76) is meshed with the turnover gear (75), the upper end of the mixing tank (1) is further fixedly provided with a pressurization box (77), a piston plate (78) is arranged in the pressurization box (77), a plurality of extrusion push rods (79) are fixedly connected with the side wall of the piston plate (78), one end of the plurality of the extrusion push rods (79) penetrates through and extends out of the pressurization box (77), the same extrusion push plate (710) is fixedly connected with a plurality of extrusion push rods (79), and a return spring (711) is fixedly connected between the extrusion return spring (712) and the return tube (711), the pressure increasing box (77) is also provided with an air supplementing opening, and the air supplementing opening and the vent pipe (712) are both provided with one-way valves.
5. The preparation method of the easy-flowback water-locking release agent for the natural gas well, according to claim 2, is characterized in that: current adjustment mechanism (9) are including fixed setting in blending tank (1) outside and insulating regulation shell (91), regulation shell (91) internal fixation is provided with resistive bar (92), sliding connection has regulating block (93) on regulation shell (91), one side fixedly connected with of regulating block (93) and conductive contact piece (94) of resistive bar (92) contact, the upper end fixedly connected with lifter (95) of regulating block (93).
6. The preparation method of the easy-flowback water-locking release agent for the natural gas well, according to claim 4, is characterized in that: the transmission mechanism (10) comprises a bearing seat (101) fixedly connected to the upper end of the mixing tank (1), a connecting shaft (102) is rotatably sleeved in the bearing seat (101) through a ball bearing, a transmission gear (103) meshed with the rack (76) is fixedly connected to one end of the connecting shaft (102), and a second cam (104) is fixedly connected to the other end of the connecting shaft (102).
7. The preparation method of the easy-flowback water-locking release agent for the natural gas well, according to claim 4, is characterized in that: elastic energy storage mechanism (11) are including a location section of thick bamboo (111), a pneumatic piston (112) is equipped with to location section of thick bamboo (111) endotheca, the front side fixedly connected with compression spring (113) of pneumatic piston (112), the front side of a location section of thick bamboo (111) is opened and is established to the opening, and corresponds the opening part magnetism and have end cover (114), the fixed embedding of rear side of end cover (114) is equipped with first annular magnetic block (115), the fixed embedding of front end of a location section of thick bamboo (111) is equipped with second annular magnetic block (116).
8. The preparation method of the easy-flowback water-locking release agent for the natural gas well, according to claim 7, is characterized in that: the outer side of the end cover (114) is symmetrically and fixedly connected with a plurality of limiting sliding rods (117), and the outer side of the front end of the positioning cylinder (111) is fixedly connected with a plurality of limiting sliding cylinders (118) which are in sliding sleeve connection with the limiting sliding rods (117).
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