CN110669486A - Enhanced gas production material for comprehensive treatment of gas well and preparation method thereof - Google Patents
Enhanced gas production material for comprehensive treatment of gas well and preparation method thereof Download PDFInfo
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- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
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Abstract
The invention discloses a gas well comprehensive treatment enhanced gas production material which comprises a water-lock releasing agent, wherein the water-lock releasing agent comprises 5 parts by mass of nano silicon dioxide, 40-60 parts by mass of ethylene glycol monobutyl ether and 20-30 parts by mass of sodium didodecyldicarboxylate. The invention also discloses a preparation method of the enhanced gas production material for comprehensive treatment of the gas well, which comprises the step of reacting liquid reaction raw materials (the liquid reaction raw materials mainly refer to ethylene glycol monobutyl ether in the technical scheme) with solid reaction raw materials (the solid reaction raw materials specifically refer to nano silicon dioxide and sodium didodecyldicarboxylate in the technical scheme) in a reaction device for three times to prepare the water-lock-releasing agent.
Description
Technical Field
The invention relates to the field of oil exploitation, in particular to a gas well comprehensive treatment and enhanced gas production material and a preparation method thereof.
Background
The existing treatment methods comprise a physical blockage removal method, a chemical blockage removal method, a biological blockage removal method and the like, but the treatment methods can only treat one blockage problem of the oil field gas well and cannot comprehensively treat the blockage problem. In addition, the water-locking releasing agent for solving the blockage problem is generally prepared by mixing a solid raw material and a liquid raw material, and when the water-locking releasing agent is prepared by adding the liquid raw material and the solid raw material into a reaction kettle, part of liquid or solid powder is adhered to the inner wall of the reaction kettle to corrode the reaction kettle. In addition, the liquid raw material and the solid raw material cannot be fully mixed in the reaction kettle, which also causes the problems of raw material waste and the like.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a gas well comprehensive treatment and strengthening gas production material which can comprehensively treat blocked oil field gas wells.
In order to achieve the purposes and other advantages, the invention provides an enhanced gas production material for comprehensive treatment of a gas well, which comprises a water-lock releasing agent, wherein the water-lock releasing agent comprises 5 parts by mass of nano silicon dioxide, 40-60 parts by mass of butyl cellosolve and 20-30 parts by mass of sodium didodecyl dicarboxylate.
Preferably, the gas well comprehensive treatment enhanced gas production material further comprises a foaming agent, the mass ratio of the foaming agent to the water-lock release agent is 1-5: 20, and the foaming agent comprises 15-20 parts by mass of hexanol, 10-15 parts by mass of cyclohexanone, 16-23 parts by mass of diethyl adipate and 10-16 parts by mass of 4-methyl-3-pentenone.
Preferably, the enhanced gas production material for comprehensive treatment of the gas well further comprises an acidic blocking remover, wherein the mass ratio of the acidic blocking remover to the water-blocking remover is 1-3: 1, and the acidic blocking remover comprises, by mass, 30 parts of succinic acid, 20-25 parts of diethylenetriamine pentaacetic acid, 10-15 parts of phosphono carboxylic acid copolymer, 5-10 parts of phytic acid, 3-5 parts of diethanolamine, 3-5 parts of polyacrylamide and 60-120 parts of water.
Preferably, the enhanced gas production material for comprehensive treatment of the gas well further comprises an alkaline blocking remover, the mass ratio of the alkaline blocking remover to the water-lock remover is 1-3: 1, and the alkaline blocking remover comprises 20 parts of sodium ethylene diamine tetramethylene phosphonate, 15-20 parts of sodium acetate, 10-15 parts of sodium chloride, 20-40 parts of sodium heavy alkylbenzene sulfonate, 10-20 parts of isopropanol and 70-140 parts of water.
The invention also provides a preparation method of the gas well comprehensive treatment enhanced gas production material, and the method can not only prevent the reaction device from being corroded, but also improve the utilization rate of reaction raw materials; the preparation method comprises the step of reacting liquid reaction raw materials with solid reaction raw materials in a reaction device for three times to prepare the water-locking agent, wherein the reaction device comprises:
the bottom of the reaction kettle is provided with an outlet;
the top of the anti-corrosion cover is fixedly connected with the top of the inner side of the reaction kettle, and the opening of the anti-corrosion cover faces to the bottom of the reaction kettle;
the guide chute penetrates through the top of the anti-corrosion cover, and one end of the guide chute is communicated with a solid raw material source outside the reaction kettle;
a multi-stage reaction tank including a first reaction tank, a second reaction tank, and a third reaction tank, the first reaction tank being located below the corrosion prevention cover and having an opening facing the corrosion prevention cover, the bottom of the first reaction tank is provided with an outlet, the second reaction tank is positioned below the first reaction tank, and the opening of the second reaction tank faces the first reaction tank, the outlet of the first reaction tank extends into the second reaction tank, the bottom of the second reaction tank is provided with an outlet, the outlet of the second reaction tank is communicated with the inlet of a water pump through a conduit, the outlet of the water pump is communicated with a spray pipe, the third reaction tank is positioned below the second reaction tank and has an opening facing the second reaction tank, the spraying direction of the spray pipe faces to the inside of the third reaction tank, and the bottom of the third reaction tank is provided with an outlet and faces to the bottom of the reaction kettle;
the other end of the guide chute extends into the first reaction tank, a first spray head is arranged on the inner side of the first reaction tank, the spraying direction of the first spray head faces the guide chute, the first spray head is communicated with a liquid raw material source outside the reaction kettle, a second spray head is arranged on the inner side of the second reaction tank, the spraying direction of the second spray head faces the outlet of the first reaction tank, the second spray head is communicated with the liquid raw material source outside the reaction kettle, a third spray head is arranged on the inner side of the third reaction tank, the spraying direction of the third spray head faces the spray pipe, and the third spray head is communicated with the liquid raw material source outside the reaction kettle.
Preferably, the preparation method of the enhanced gas production material for gas well comprehensive treatment comprises the step of preparing a material for gas well comprehensive treatment, wherein the first reaction tank is a cone with a hollow inner part, and the large end of the cone faces the material guide groove.
The invention at least comprises the following beneficial effects:
1. the enhanced gas production material for comprehensive treatment of the gas well comprises a water-blocking remover, an acidic blocking remover, an alkaline blocking remover and the like, and can comprehensively treat the blocking problem of the gas well.
2. In the preparation method of the gas well comprehensive treatment enhanced gas production material, the reaction device is used for preparing the water-lock releasing agent. The corrosion-proof cover in the reaction device can avoid the reaction kettle from being corroded by chemical raw materials, and meanwhile, the multistage reaction tank arranged in the reaction device can enable the liquid raw materials for preparing the water-releasing locking agent to react with the solid raw materials more fully, so that the surface raw material resources are wasted.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of a reaction apparatus in one embodiment of the production process of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
Example 1
The reinforced gas production material for the comprehensive treatment of the gas well comprises a water-lock releasing agent, wherein the water-lock releasing agent comprises 5 parts by mass of nano silicon dioxide, 40 parts by mass of ethylene glycol monobutyl ether and 20 parts by mass of sodium didodecyldicarboxylate. The water-lock breaking agent contains nano silicon dioxide which is a raw material and has the function of high temperature resistance.
The gas well comprehensive treatment enhanced gas production material also comprises a foaming agent, wherein the mass ratio of the foaming agent to the water-locking releasing agent is 1:20, and the foaming agent comprises 15 parts by mass of hexanol, 10 parts by mass of cyclohexanone, 16 parts by mass of diethyl adipate and 10 parts by mass of 4-methyl-3-pentenone. The foaming agent is used for improving the action effect of the water-unlocking agent.
The reinforced gas production material for comprehensive treatment of the gas well further comprises an acidic blocking remover, wherein the mass ratio of the acidic blocking remover to the water-blocking remover is 1:1, and the acidic blocking remover comprises, by mass, 30 parts of succinic acid, 20 parts of diethylenetriamine pentaacetic acid, 10 parts of phosphono carboxylic acid copolymer, 5 parts of phytic acid, 3 parts of diethanolamine, 3 parts of polyacrylamide and 60 parts of water. The acidic blocking remover can be matched with a water-releasing locking agent to treat inorganic scale.
Example 2
The enhanced gas production material for the comprehensive treatment of the gas well comprises a water-lock releasing agent, wherein the water-lock releasing agent comprises 5 parts by mass of nano silicon dioxide, 50 parts by mass of ethylene glycol monobutyl ether and 25 parts by mass of sodium didodecyldicarboxylate. The water-lock breaking agent contains nano silicon dioxide which is a raw material and has the function of high temperature resistance.
The gas well comprehensive treatment enhanced gas production material also comprises a foaming agent, wherein the mass ratio of the foaming agent to the water-locking releasing agent is 2:20, and the foaming agent comprises 28 parts by mass of hexanol, 12 parts by mass of cyclohexanone, 19 parts by mass of diethyl adipate and 15 parts by mass of 4-methyl-3-pentenone. The foaming agent is used for improving the action effect of the water-unlocking agent.
The reinforced gas production material for comprehensive treatment of the gas well further comprises an acidic blocking remover, wherein the mass ratio of the acidic blocking remover to the water-blocking remover is 2:1, and the acidic blocking remover comprises 30 parts by mass of succinic acid, 23 parts by mass of diethylenetriamine pentaacetic acid, 12 parts by mass of phosphono carboxylic acid copolymer, 8 parts by mass of phytic acid, 4 parts by mass of diethanolamine, 4 parts by mass of polyacrylamide and 80 parts by mass of water. The acidic blocking remover can be matched with a water-releasing locking agent to treat inorganic scale.
Example 3
The enhanced gas production material for the comprehensive treatment of the gas well comprises a water-lock releasing agent, wherein the water-lock releasing agent comprises 5 parts by mass of nano silicon dioxide, 60 parts by mass of ethylene glycol monobutyl ether and 30 parts by mass of sodium didodecyldicarboxylate. The water-lock breaking agent contains nano silicon dioxide which is a raw material and has the function of high temperature resistance.
The gas well comprehensive treatment enhanced gas production material also comprises a foaming agent, wherein the mass ratio of the foaming agent to the water-locking releasing agent is 5:20, and the foaming agent comprises 20 parts by mass of hexanol, 15 parts by mass of cyclohexanone, 23 parts by mass of diethyl adipate and 16 parts by mass of 4-methyl-3-pentenone. The foaming agent is used for improving the action effect of the water-unlocking agent.
The reinforced gas production material for comprehensive treatment of the gas well further comprises an acidic blocking remover, wherein the mass ratio of the acidic blocking remover to the water-blocking remover is 3:1, and the acidic blocking remover comprises 30 parts by mass of succinic acid, 25 parts by mass of diethylenetriamine pentaacetic acid, 15 parts by mass of phosphono carboxylic acid copolymer, 10 parts by mass of phytic acid, 5 parts by mass of diethanolamine, 5 parts by mass of polyacrylamide and 120 parts by mass of water. The acidic blocking remover can be matched with a water-releasing locking agent to treat inorganic scale.
Example 4
The reinforced gas production material for the comprehensive treatment of the gas well comprises a water-lock releasing agent, wherein the water-lock releasing agent comprises 5 parts by mass of nano silicon dioxide, 40 parts by mass of ethylene glycol monobutyl ether and 20 parts by mass of sodium didodecyldicarboxylate. The water-lock breaking agent contains nano silicon dioxide which is a raw material and has the function of high temperature resistance.
The gas well comprehensive treatment enhanced gas production material also comprises a foaming agent, wherein the mass ratio of the foaming agent to the water-locking releasing agent is 1:20, and the foaming agent comprises 15 parts by mass of hexanol, 10 parts by mass of cyclohexanone, 16 parts by mass of diethyl adipate and 10 parts by mass of 4-methyl-3-pentenone. The foaming agent is used for improving the action effect of the water-unlocking agent.
The material for comprehensively treating and strengthening gas recovery of the gas well further comprises an alkaline blocking remover, wherein the mass ratio of the alkaline blocking remover to the water-releasing locking agent is 1:1, and the alkaline blocking remover comprises 20 parts of sodium ethylene diamine tetramethylene phosphonate, 15 parts of sodium acetate, 10 parts of sodium chloride, 20 parts of sodium heavy alkylbenzene sulfonate, 10 parts of isopropanol and 70 parts of water. The alkaline blocking remover can be matched with a water-blocking remover to comprehensively treat organic dirt.
Example 5
The enhanced gas production material for the comprehensive treatment of the gas well comprises a water-lock releasing agent, wherein the water-lock releasing agent comprises 5 parts by mass of nano silicon dioxide, 50 parts by mass of ethylene glycol monobutyl ether and 25 parts by mass of sodium didodecyldicarboxylate. The water-lock breaking agent contains nano silicon dioxide which is a raw material and has the function of high temperature resistance.
The gas well comprehensive treatment enhanced gas production material also comprises a foaming agent, wherein the mass ratio of the foaming agent to the water-locking releasing agent is 2:20, and the foaming agent comprises 28 parts by mass of hexanol, 12 parts by mass of cyclohexanone, 19 parts by mass of diethyl adipate and 15 parts by mass of 4-methyl-3-pentenone. The foaming agent is used for improving the action effect of the water-unlocking agent.
The material for comprehensively treating and strengthening gas recovery of the gas well further comprises an alkaline blocking remover, wherein the mass ratio of the alkaline blocking remover to the water-releasing locking agent is 12:1, and the alkaline blocking remover comprises 20 parts of sodium ethylene diamine tetramethylene phosphonate, 18 parts of sodium acetate, 12 parts of sodium chloride, 30 parts of sodium heavy alkylbenzene sulfonate, 15 parts of isopropanol and 100 parts of water. The alkaline blocking remover can be matched with a water-blocking remover to comprehensively treat organic dirt.
Example 6
The enhanced gas production material for the comprehensive treatment of the gas well comprises a water-lock releasing agent, wherein the water-lock releasing agent comprises 5 parts by mass of nano silicon dioxide, 60 parts by mass of ethylene glycol monobutyl ether and 30 parts by mass of sodium didodecyldicarboxylate. The water-lock breaking agent contains nano silicon dioxide which is a raw material and has the function of high temperature resistance.
The gas well comprehensive treatment enhanced gas production material also comprises a foaming agent, wherein the mass ratio of the foaming agent to the water-locking releasing agent is 5:20, and the foaming agent comprises 20 parts by mass of hexanol, 15 parts by mass of cyclohexanone, 23 parts by mass of diethyl adipate and 16 parts by mass of 4-methyl-3-pentenone. The foaming agent is used for improving the action effect of the water-unlocking agent.
The material for comprehensively treating and strengthening gas recovery of the gas well further comprises an alkaline blocking remover, wherein the mass ratio of the alkaline blocking remover to the water-blocking remover is 3:1, and the alkaline blocking remover comprises 20 parts of sodium ethylene diamine tetramethylene phosphonate, 20 parts of sodium acetate, 15 parts of sodium chloride, 40 parts of sodium heavy alkylbenzene sulfonate, 20 parts of isopropanol and 140 parts of water. The alkaline blocking remover can be matched with a water-blocking remover to comprehensively treat organic dirt.
Example 7
The enhanced gas production material for the comprehensive treatment of the gas well comprises a water-lock releasing agent, wherein the water-lock releasing agent comprises 5 parts by mass of nano silicon dioxide, 50 parts by mass of ethylene glycol monobutyl ether and 25 parts by mass of sodium didodecyldicarboxylate. The water-lock breaking agent contains nano silicon dioxide which is a raw material and has the function of high temperature resistance.
The gas well comprehensive treatment enhanced gas production material also comprises a foaming agent, wherein the mass ratio of the foaming agent to the water-locking releasing agent is 2:20, and the foaming agent comprises 28 parts by mass of hexanol, 12 parts by mass of cyclohexanone, 19 parts by mass of diethyl adipate and 15 parts by mass of 4-methyl-3-pentenone. The foaming agent is used for improving the action effect of the water-unlocking agent.
The reinforced gas production material for comprehensive treatment of the gas well further comprises an acidic blocking remover, wherein the mass ratio of the acidic blocking remover to the water-blocking remover is 2:1, and the acidic blocking remover comprises 30 parts by mass of succinic acid, 23 parts by mass of diethylenetriamine pentaacetic acid, 12 parts by mass of phosphono carboxylic acid copolymer, 8 parts by mass of phytic acid, 4 parts by mass of diethanolamine, 4 parts by mass of polyacrylamide and 80 parts by mass of water. The acidic blocking remover can be matched with a water-releasing locking agent to treat inorganic scale.
The preparation method of the water-locking releasing agent comprises the following steps: reacting a liquid reaction raw material with a solid raw material in three times in a reaction device to prepare the water-locking agent, wherein the reaction device comprises:
the bottom of the reaction kettle 1 is provided with an outlet;
the top of the anti-corrosion cover 2 is fixedly connected with the top of the inner side of the reaction kettle 1, and the opening of the anti-corrosion cover 2 faces the bottom of the reaction kettle 1;
the material guide groove 3 penetrates through the top of the anti-corrosion cover 2, and one end of the material guide groove 3 is communicated with a solid raw material source outside the reaction kettle 1;
a multistage reaction tank 4 including a first reaction tank 41, a second reaction tank 42, and a third reaction tank 43, wherein the first reaction tank 41 is located below the corrosion protection cover 2 and opens toward the corrosion protection cover 2, an outlet is provided at the bottom of the first reaction tank 41, the second reaction tank 42 is located below the first reaction tank 41 and opens toward the first reaction tank 41, the outlet of the first reaction tank 41 extends into the second reaction tank 42, an outlet is provided at the bottom of the second reaction tank 42, the outlet of the second reaction tank 42 is communicated with an inlet of a water pump 45 through a conduit 44, the outlet of the water pump 45 is communicated with a spray pipe 46, the third reaction tank 43 is located below the second reaction tank 42 and opens toward the second reaction tank 42, and the spray direction of the spray pipe 46 faces the inside of the third reaction tank 43, the bottom of the third reaction tank 43 is provided with an outlet and faces the bottom of the reaction kettle 1;
the other end of the material guide groove 3 extends into the first reaction tank 41, a first spray nozzle 411 is arranged on the inner side of the first reaction tank 41, the spraying direction of the first spray nozzle 411 faces the material guide groove 3, the first spray nozzle 411 is communicated with a liquid raw material source outside the reaction kettle 1, a second spray nozzle 421 is arranged on the inner side of the second reaction tank 42, the spraying direction of the second spray nozzle 421 faces the outlet of the first reaction tank 41, the second spray nozzle 421 is communicated with the liquid raw material source outside the reaction kettle 1, a third spray nozzle 431 is arranged on the inner side of the third reaction tank 43, the spraying direction of the third spray nozzle 431 faces the spray pipe 46, and the third spray nozzle 431 is communicated with the liquid raw material source outside the reaction kettle 1.
For a detailed description of the reaction apparatus, reference is made to the following detailed description.
And (3) comparison test:
respectively taking two equal parts of raw materials for preparing the water-lock breaking agent (each part of raw materials comprises 5kg of nano silicon dioxide, 40kg of ethylene glycol monobutyl ether and 20kg of sodium didodecyldicarboxylate), fully mixing one part of raw materials, and weighing 35kg of water-lock breaking agent obtained by reaction; another portion was prepared by the method of example 7 to obtain 48kg of a water-lock releasing agent. Obviously, the preparation method of the invention can obtain better effect on preparing the water-unlocking agent.
As shown in fig. 1, the invention also provides a preparation method of the enhanced gas production material for gas well comprehensive treatment, the preparation method of the invention comprises the step of reacting liquid reaction raw materials with solid raw materials in a reaction device for three times to prepare the water-lock breaking agent, wherein the reaction device comprises:
the bottom of the reaction kettle 1 is provided with an outlet;
the top of the anti-corrosion cover 2 is fixedly connected with the top of the inner side of the reaction kettle 1, and the opening of the anti-corrosion cover 2 faces the bottom of the reaction kettle 1;
the material guide groove 3 penetrates through the top of the anti-corrosion cover 2, and one end of the material guide groove 3 is communicated with a solid raw material source outside the reaction kettle 1;
a multistage reaction tank 4 including a first reaction tank 41, a second reaction tank 42, and a third reaction tank 43, wherein the first reaction tank 41 is located below the corrosion protection cover 2 and opens toward the corrosion protection cover 2, an outlet is provided at the bottom of the first reaction tank 41, the second reaction tank 42 is located below the first reaction tank 41 and opens toward the first reaction tank 41, the outlet of the first reaction tank 41 extends into the second reaction tank 42, an outlet is provided at the bottom of the second reaction tank 42, the outlet of the second reaction tank 42 is communicated with an inlet of a water pump 45 through a conduit 44, the outlet of the water pump 45 is communicated with a spray pipe 46, the third reaction tank 43 is located below the second reaction tank 42 and opens toward the second reaction tank 42, and the spray direction of the spray pipe 46 faces the inside of the third reaction tank 43, the bottom of the third reaction tank 43 is provided with an outlet and faces the bottom of the reaction kettle 1;
the other end of the material guide groove 3 extends into the first reaction tank 41, a first spray nozzle 411 is arranged on the inner side of the first reaction tank 41, the spraying direction of the first spray nozzle 411 faces the material guide groove 3, the first spray nozzle 411 is communicated with a liquid raw material source outside the reaction kettle 1, a second spray nozzle 421 is arranged on the inner side of the second reaction tank 42, the spraying direction of the second spray nozzle 421 faces the outlet of the first reaction tank 41, the second spray nozzle 421 is communicated with the liquid raw material source outside the reaction kettle 1, a third spray nozzle 431 is arranged on the inner side of the third reaction tank 43, the spraying direction of the third spray nozzle 431 faces the spray pipe 46, and the third spray nozzle 431 is communicated with the liquid raw material source outside the reaction kettle 1.
In the above technical solution, the preparation method of the present invention includes reacting a liquid reaction raw material (the liquid reaction raw material mainly refers to ethylene glycol monobutyl ether in the foregoing technical solution) with a solid reaction raw material (the solid reaction raw material specifically refers to nano silica and sodium didodecyldicarboxylate in the foregoing technical solution) in a reaction apparatus three times to prepare the water-lock releasing agent, and the preparation method can make the chemical reaction between the liquid reaction raw material and the solid reaction raw material more sufficient, so as to improve the utilization rate of the raw material and avoid the waste of the raw material. The reaction device mainly comprises: the device comprises a reaction kettle 1, an anti-corrosion cover 2, a material guide groove 3 and a multistage reaction groove 4; the reaction kettle 1 is used for providing a reaction site for liquid reaction raw materials and solid reaction raw materials, the anti-corrosion cover 2 is used for preventing chemical reaction raw materials from corroding the inner wall of the reaction kettle 1 and damaging the reaction kettle 1, the guide chute 3 is used for adding the solid reaction raw materials into the reaction kettle 1, and the multistage reaction tank 4 is used for realizing multiple times of full reactions between the liquid reaction raw materials and the solid reaction raw materials.
The multistage reaction tank 4 mainly includes a first reaction tank 41, a second reaction tank 42, and a third reaction tank 43, and the liquid reaction material and the solid reaction material react in the first reaction tank 41, the second reaction tank 42, and the third reaction tank 43 in this order to complete a multistage chemical reaction. The specific scheme is that the other end of the guide chute 3 extends into a first reaction tank 41, a first spray nozzle 411 is arranged on the inner side of the first reaction tank 41, the spraying direction of the first spray nozzle 411 faces the guide chute 3, the first spray nozzle 411 is communicated with a liquid raw material source outside the reaction kettle 1, the first reaction tank 41 is positioned below the anti-corrosion cover 2, the opening of the first reaction tank 41 faces the anti-corrosion cover 2, and an outlet is arranged at the bottom of the first reaction tank 41; during operation, solid reaction raw materials are added into the first reaction tank 41 from the material guide groove 3, liquid reaction raw materials are added into the first reaction tank 41 from the first nozzle 411 to complete the reaction between the two, and the reacted liquid enters the second reaction tank 42 through the outlet of the first reaction tank 41 to prepare for further subsequent reaction. The second reaction tank 42 is positioned below the first reaction tank 41, the opening of the second reaction tank is towards the first reaction tank 41, the outlet of the first reaction tank 41 extends into the second reaction tank 42, the bottom of the second reaction tank 42 is provided with an outlet, the inner side of the second reaction tank 42 is provided with a second nozzle 421, the spraying direction of the second nozzle 421 is towards the outlet of the first reaction tank 41, and the second nozzle 421 is communicated with a liquid raw material source outside the reaction kettle 1; when the liquid reacted in the first reaction tank 41 enters the second reaction tank 42, the second nozzle 421 is opened to provide a new liquid reaction raw material for further reaction, so that the solid reaction raw material in the previous reaction and the liquid reaction raw materials provided twice are more fully reacted. In addition, the outlet of the second reaction tank 42 is further communicated with the inlet of a water pump 45 through a conduit 44, the outlet of the water pump 45 is communicated with a spray pipe 46, the third reaction tank 43 is positioned below the second reaction tank 42 and opens towards the second reaction tank 42, the spray direction of the spray pipe 46 faces towards the inside of the third reaction tank 43, the bottom of the third reaction tank 43 is provided with an outlet and faces towards the bottom of the reaction kettle 1, the inner side of the third reaction tank 43 is provided with a third spray head 431, the spray direction of the third spray head 431 faces towards the spray pipe 46, and the third spray head 431 is communicated with a liquid raw material source outside the reaction kettle 1. After the reaction in the second reaction tank 42 is completed, the reaction liquid therein is pumped into the water pump 45 and sprayed into the third reaction tank 43 from the spray pipe 46 in an atomized manner, at this time, the third spray nozzle 431 is opened, and new liquid reaction raw material is sprayed to the spray nozzle of the spray pipe 46, thereby completing the third reaction. In the third reaction, the liquid reaction liquid is reacted in an atomization mode, so that the reaction time is prolonged, the reaction among the raw materials is more sufficient, and the utilization rate of the raw materials is greatly improved.
In another technical scheme, in the preparation method of the enhanced gas production material for gas well comprehensive treatment, the first reaction tank 41 is a cone with a hollow interior, and the large end of the cone faces the material guide chute 3. The first reaction tank 41 of the cone facilitates the liquid flow.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. The enhanced gas production material for the comprehensive treatment of the gas well is characterized by comprising a water-lock releasing agent, wherein the water-lock releasing agent comprises 5 parts by mass of nano silicon dioxide, 40-60 parts by mass of ethylene glycol monobutyl ether and 20-30 parts by mass of sodium didodecyldicarboxylate.
2. The enhanced gas production material for the comprehensive treatment of the gas well as defined in claim 1, further comprising a foaming agent, wherein the mass ratio of the foaming agent to the water-locking releasing agent is 1-5: 20, and the foaming agent comprises 15-20 parts by mass of hexanol, 10-15 parts by mass of cyclohexanone, 16-23 parts by mass of diethyl adipate and 10-16 parts by mass of 4-methyl-3 pentenone.
3. The gas well comprehensive treatment enhanced gas production material as claimed in claim 2, further comprising an acidic blocking remover, wherein the mass ratio of the acidic blocking remover to the water-blocking remover is 1-3: 1, and the acidic blocking remover comprises, by mass, 30 parts of succinic acid, 20-25 parts of diethylenetriaminepentaacetic acid, 10-15 parts of phosphono carboxylic acid copolymer, 5-10 parts of phytic acid, 3-5 parts of diethanolamine, 3-5 parts of polyacrylamide and 60-120 parts of water.
4. The enhanced gas production material for the comprehensive treatment of the gas well as defined in claim 2, further comprising an alkaline blocking remover, wherein the mass ratio of the alkaline blocking remover to the water-blocking remover is 1-3: 1, and the alkaline blocking remover comprises 20 parts of sodium ethylene diamine tetra methylene phosphonate, 15-20 parts of sodium acetate, 10-15 parts of sodium chloride, 20-40 parts of sodium heavy alkyl benzene sulfonate, 10-20 parts of isopropanol and 70-140 parts of water.
5. The method for preparing the enhanced gas production material for the comprehensive treatment of the gas well as defined in claim 1, wherein liquid reaction raw materials are reacted with solid reaction raw materials in three times in a reaction device to prepare the water-locking agent, and the reaction device comprises:
the bottom of the reaction kettle is provided with an outlet;
the top of the anti-corrosion cover is fixedly connected with the top of the inner side of the reaction kettle, and the opening of the anti-corrosion cover faces to the bottom of the reaction kettle;
the guide chute penetrates through the top of the anti-corrosion cover, and one end of the guide chute is communicated with a solid raw material source outside the reaction kettle;
a multi-stage reaction tank including a first reaction tank, a second reaction tank, and a third reaction tank, the first reaction tank being located below the corrosion prevention cover and having an opening facing the corrosion prevention cover, the bottom of the first reaction tank is provided with an outlet, the second reaction tank is positioned below the first reaction tank, and the opening of the second reaction tank faces the first reaction tank, the outlet of the first reaction tank extends into the second reaction tank, the bottom of the second reaction tank is provided with an outlet, the outlet of the second reaction tank is communicated with the inlet of a water pump through a conduit, the outlet of the water pump is communicated with a spray pipe, the third reaction tank is positioned below the second reaction tank and has an opening facing the second reaction tank, the spraying direction of the spray pipe faces to the inside of the third reaction tank, and the bottom of the third reaction tank is provided with an outlet and faces to the bottom of the reaction kettle;
the other end of the guide chute extends into the first reaction tank, a first spray head is arranged on the inner side of the first reaction tank, the spraying direction of the first spray head faces the guide chute, the first spray head is communicated with a liquid raw material source outside the reaction kettle, a second spray head is arranged on the inner side of the second reaction tank, the spraying direction of the second spray head faces the outlet of the first reaction tank, the second spray head is communicated with the liquid raw material source outside the reaction kettle, a third spray head is arranged on the inner side of the third reaction tank, the spraying direction of the third spray head faces the spray pipe, and the third spray head is communicated with the liquid raw material source outside the reaction kettle.
6. The method for preparing the enhanced gas production material for the comprehensive treatment of the gas well as recited in claim 5, wherein the first reaction tank is a cone with a hollow interior, and the large end of the cone faces the material guide groove.
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Application publication date: 20200110 |