CN103194204A - Proppant for hydraulic fracturing of coal bed gas and shale gas and preparation method thereof - Google Patents
Proppant for hydraulic fracturing of coal bed gas and shale gas and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a proppant for hydraulic fracturing of coal bed gas and methane shale gas and a preparation method thereof, in order to solve the problems that proppant in the prior art is in density of proppant and fails to effectively fill a fracture far away and the upper half part of the fracture. The preparation method comprises the following steps: preparing hollow ceramsite: grinding bauxite which is taken as a raw material into uniform granule granules of 200-400 meshes, adding water, manganese dioxide and resin, stirring to obtain a liquid mixture, drying the liquid mixture at 500-1000 DEG C, and cooling to obtain the hollow ceramsite; sintering the hollow ceramsite for 2-6 hours at 900-1500 DEG C; and coating the sintered hollow ceramsite by resin for at least once to obtain the proppant. The proppant is high in strength and low in density, and can be used for greatly improving the sand carrying capacity of fracturing fluid, increasing the filling volume of fracturing proppant, enhancing the fracturing effect, and enhancing the flow conductivity by 3-4 times.
Description
Technical field
The present invention relates to unconventional resource technical fields such as hydrofracturing method exploiting coal bed methane, shale gas, particularly a kind of propping agent that can be used for coal-seam gas, shale gas waterfrac treatment and preparation method thereof.This proppant strength high-density is low, has strengthened the effect of pressure break, has improved flow conductivity.
Background technology
Coal-seam gas is to be stored in unconventional Sweet natural gas in the coal seam with adsorbed state, is commonly called as " gas ", and its main component is methane, calorific value be general coal 2-5 doubly.Shale gas is the Sweet natural gas that exploitation is come out from the shale bed, and reservoir space is based on the crack, and composes with adsorbed gas and Water Soluble Gas form and to deposit, and also is a kind of important unconventional gas resources.
The important reoovery method of coal-seam gas and shale gas comprises drilling well exploitation and hydrofracturing method exploitation (or claiming Splitting Method).The coal seam fracturing reform can be communicated with the natural crack in wellhole and coal seam effectively, thereby when water pumping gas production, distributes near the pressure drop of wellhole more widely, increases production capacity, increases desorption of gases speed.Therefore, in the cbm exploration exploitation, hydrofracturing method is widely used as a kind of important measures.
In typical waterfrac treatment is handled, comprise the fracturing liquid of Selid propping agent, be injected in the pit shaft being enough to produce or enlarging under the pressure in the crack in coal seam or the shale bed.This propping agent deposits with supporting crack in the crack, and this makes coal-seam gas or shale gas shift to the pit shaft from the stratum.Propping agent plays very crucial effect in waterfrac treatment.Now in the coal-seam gas pressure break main usefulness be natural siliceous sand, main usefulness is sintering ceramsite and quartz sand in the shale gas pressure break, the relative density of sintering ceramsite and quartz sand is 2.7-3.3.
In the waterfrac treatment operation, desirable propping agent should possess following characteristics: 1) relative density is little, is convenient to pump into underground; 2) intensity height, being used for heavy duty service can be not crushed; 3) unreactiveness is good, the high temperature resistant and erosion that can resist oil, acid, salt solution etc. in the stratum; 4) circularity is good, in order to keep between proppant particles space preferably.
Natural siliceous sand and sintering ceramsite have intensity height, good chemical stability, but at coal-seam gas, shale gas, bad adaptability, major cause is that its density is big, need high viscosity to take husky liquid and could realize pressure break, and high viscosity to take husky liquid be some polymer substances, Yin Wendu crosses the low broken glue that is difficult in coal bed gas well, cause energy consumption height, big to formation damage, aftertreatment complexity, expense height.The more important thing is, because of sintering ceramsite and quartz sand because of settling velocity soon in the immediate vicinity of wellbore rapid subsidence, the crack of farther place and the upper part in crack all can not obtain effective filling, have directly influenced the effect of pressure break and the raising of output later on.Therefore it is significant to the exploitation of coal-seam gas, shale gas to develop a kind of high strength, low-density propping agent and preparation method thereof.
Summary of the invention
The object of the present invention is to provide a kind of propping agent for coal-seam gas and shale gas waterfrac treatment and preparation method thereof, big to solve propping agent density of the prior art, the upper part in crack at a distance and crack all can not obtain the problem of effective filling.
Technical scheme of the present invention is achieved in that
A kind of propping agent for coal-seam gas and shale gas waterfrac treatment, described propping agent is the hollow haydite of wrapping up in the 20-40 purpose bauxitic clay that applies resin, described weight resin accounts for the 1.5-17.5% of described propping agent weight, the density of this propping agent is 1.2-1.3, cracking pressure is 20-100MPa, circularity 8-10.
A kind of method for preparing described propping agent for coal-seam gas and shale gas waterfrac treatment may further comprise the steps:
1) makes hollow haydite
Adopt bauxitic clay to do raw material, be ground into 200-400 purpose single-size, add water, Manganse Dioxide, resin and stir into liquid mixture, afterwards described liquid mixture is dried under 500-1000 ℃ of temperature, make described hollow haydite after the cooling;
2) be 2-6 hour with described hollow haydite at 900-1500 ℃ of following sintering time;
3) it is coated the hollow haydite behind the above-mentioned sintering to be carried out at least 1 resin, namely gets described propping agent.
In the step 1), add the intensity that Manganse Dioxide, resin can strengthen the bauxitic clay particle in the 200-400 purpose bauxitic clay single-size, be beneficial to 200-400 purpose bauxitic clay single-size and form hollow haydite; Step 2) be 2-6 hour with described hollow haydite at 900-1500 ℃ of following sintering time, purpose is in order to increase the intensity of described hollow haydite; It is coated that the hollow haydite of step 3) after with sintering carries out at least 1 resin, can further strengthen the intensity of haydite, and can increase the circularity of hollow haydite, and then improve the flow conductivity of propping agent of the present invention.
Preferably, described hollow haydite particle diameter is the 20-40 order.Hollow haydite particle diameter is the 20-40 order, and the propping agent density that makes is between 1.2-1.3.
Preferably, described resin is coated to be that the hollow haydite behind the described sintering was soaked 22-26 hour down at 25-30 ℃ with the resol ethanolic soln at every turn, the resol ethanolic soln that elimination is unnecessary solidifies soaked hollow haydite 2-6 hour down at 60-100 ℃ afterwards; Then being warming up to 160-200 ℃ continues to solidify 2-6 hour.In the inventive method the haydite that soaked high-molecular resin solution is carried out step curing twice, and solidification value is lower than solidification value for the second time for the first time, also be conducive to increase the haydite surface and wrap up in the homogeneity of applying resin, thereby increase the circularity of the propping agent of the inventive method preparation.
Preferably, described resin is coated is that 1-7 resin is coated.It is more many to wrap up in deposited number of times, and the intensity of haydite is more big.The difference of the cracking pressure that uses according to coal-seam gas, shale gas pressure break can be adjusted number of times and the quantity of coated resin and produce series product, as guaranteeing can to produce series product such as 28MPa, 52MPa, 69MPa under the low-density condition.
Further preferably, described resin is coated is that 3 resins are coated.
As preferred version, the coated each coated weight of described resin accounts for the 1.5-2.5% of described propping agent weight.Each coated weight accounts for described propping agent weight less than 1.5%, once coated haydite intensity is increased DeGrain, needs more times coatedly just can reach needed intensity; Each coated weight accounts for described propping agent weight greater than 2.5%, coated inhomogeneous phenomenon can occur, influences the circularity of haydite.
As preferably, the weight ratio of described bauxitic clay, water, Manganse Dioxide and resin is 39:60:0.5:0.5.The weight ratio of bauxitic clay, water, Manganse Dioxide and resin is 39:60:0.5:0.5, the hollow haydite intensity height for preparing hollow haydite under this weight ratio condition easily and make.
Preferably, the ethanolic soln mass concentration of described resol is 5-25%.
Owing to adopted technique scheme, a kind of propping agent for coal-seam gas and shale gas waterfrac treatment and preparation method thereof, big to solve propping agent density of the prior art, the upper part in crack at a distance and crack all can not obtain the problem of effective filling, comprise step: make hollow haydite, adopt bauxitic clay to do raw material, be ground into 200-400 purpose single-size, add water, Manganse Dioxide, resin and stir into liquid mixture, afterwards described liquid mixture is dried under 500-1000 ℃ of temperature, make described hollow haydite after the cooling; Be 2-6 hour with described hollow haydite at 900-1500 ℃ of following sintering time; It is coated that hollow haydite behind the above-mentioned sintering is carried out at least 1 resin, namely gets described propping agent, the propping agent that makes, intensity height, density are low, have improved the of the fracturing fluid husky ability of taking greatly, have increased the fracturing propping agents packing volume, improved fracturing effect, made flow conductivity improve 3-4 doubly.
Beneficial effect of the present invention is:
The propping agent density that is used for coal-seam gas and shale gas waterfrac treatment of the inventive method preparation reduces greatly.Used propping agent is sintering ceramsite and quartz sand in the prior art, and its relative density is 2.7-3.3, and the hollow haydite density of applying behind the resin wrapped up in of the present invention is between 1.2-1.3.Approach with the liquid-tight degree of pressure breaks such as active water, slippery water, improved the of the fracturing fluid husky ability of taking greatly.The propping agent density of the inventive method preparation reduces, and the Pump pressure of fracturing of equipment reduces when making pressure break, directly can reduce the quantity of pressure break pump truck, simultaneously certain effect has also been played in the protection of fracturing unit.In addition, this propping agent density reduces, and can use no polymer or a small amount of high molecular fracturing liquid, pollution to the stratum reduces greatly like this, polymer substance has increased the effect of pressure break to the obstruction of crack, microfracture in the minimizing fracturing liquid, has improved flow conductivity.
The most important thing is to make propping agent can arrive the upper part in crack and the crack of farther place because the propping agent density of the inventive method preparation reduces, directly increased the fracturing propping agents packing volume, make flow conductivity improve 3-4 doubly, corresponding output also improves 3-4 doubly.
In addition, adopt hydrofracturing method exploiting coal bed methane and shale gas to need a large amount of water, use the high-strength low-density propping agent of the inventive method preparation, significantly reduced water consumption, the conserve water resource has reduced the pressure break cost simultaneously, has very big economic advantages; Have great importance because lack of water influences the shale gas exploitation for China.Preparation method's technology of the propping agent for coal-seam gas and shale gas waterfrac treatment of the present invention is simple in addition, is suitable for industrial applications.
Certainly, also can use nutshell (as jujube nucleus, nut-shell etc.) to do and wrap up in deposited aggregate, adopt the inventive method for the preparation of the propping agent of coal-seam gas and shale gas waterfrac treatment.Its advantage is exactly that proportion is lighter, and about 0.8, do not need sintering in addition, production cost is lower.But, adopting nutshell to do and wrap up in deposited aggregate, following defective is arranged: 1) circularity is lower than 5, has influenced flow conductivity; 2) cracking pressure is not enough, can only reach 28MPa, is only applicable to the coal-seam gas pressure break; 3) nutshell belongs to the fibre substrate matrix material, the material source instability, and quality control is also difficult in addition.
Description of drawings
Fig. 1 is the process flow sheet of the proppant production method for coal-seam gas and shale gas waterfrac treatment of the present invention.
Embodiment
To the technical scheme in the embodiment of the invention be clearly and completely described below, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, a kind of propping agent for coal-seam gas and shale gas waterfrac treatment, described propping agent is the hollow haydite of wrapping up in the 20-40 purpose bauxitic clay that applies resin, described weight resin accounts for the 1.5-17.5% of described propping agent weight, the density of this propping agent is 1.2-1.3, cracking pressure is 20-100MPa, circularity 8-10.
A kind of method of the propping agent for the preparation of coal-seam gas and shale gas waterfrac treatment may further comprise the steps:
1) makes hollow haydite
Adopt bauxitic clay to do raw material, be ground into 200-400 purpose single-size, add water, Manganse Dioxide, resin and stir into liquid mixture, afterwards described liquid mixture is dried under 500-1000 ℃ of temperature, make described hollow haydite after the cooling;
2) be 2-6 hour with described hollow haydite at 900-1500 ℃ of following sintering time;
3) it is coated the hollow haydite behind the above-mentioned sintering to be carried out at least 1 resin, namely gets described propping agent.
Described hollow haydite particle diameter is the 20-40 order.The preparation particle diameter is that can to adopt the ram pump nozzle inside diameter be that 20-40 purpose high pressure plunger pump is ejected into drying tower with described liquid mixture and dries to the hollow haydite of 20-40 purpose.Adopt this method to prepare the hollow haydite of 20-40 purpose, the hollow haydite uniform particles of preparation, circularity is good, and this method is fit to commercial application.
Described resin is coated to be that the resol ethanolic soln that the hollow haydite mass concentration behind the described sintering is 5%-25% was soaked 22-26 hour down at 25-30 ℃ at every turn, the resol ethanolic soln that elimination is unnecessary solidifies soaked hollow haydite 2-6 hour down at 60-100 ℃ afterwards; Then being warming up to 160-200 ℃ continues to solidify 2-6 hour.
Described resin is coated to be that 1-7 resin is coated.
Described resin is coated to be that 3 resins are coated.
The coated each coated weight of described resin accounts for the 1.5-2.5% of described propping agent weight.
The weight ratio of described bauxitic clay, water, Manganse Dioxide and resin is 39:60:0.5:0.5.
The ethanolic soln mass concentration of described resol is 5-25%.
Embodiment 1:
The propping agent preparation process that is used for coal-seam gas and shale gas waterfrac treatment is as follows:
1) bauxitic clay is ground into 200-300 purpose single-size, to be 39:60:0.5:0.5 according to the weight ratio of bauxitic clay, water, Manganse Dioxide and resin add water in the above-mentioned single-size, manganese dioxide powder, resin, is stirred to liquid mixture; To adopt the ram pump nozzle inside diameter be 20-40 purpose high pressure plunger pump is ejected into described liquid mixture highly is on 20 meters the drying tower, dries the hollow haydite of formation 20-40 purpose under 800 ℃;
2) step 1) is prepared hollow haydite is put into rotary kiln, 1300 ℃ of sintering 4 hours, and cooling gets the hollow haydite of 20-40 purpose high strength then;
3) with step 2) the hollow haydite of 20-40 purpose high strength that the makes ethanolic soln of putting into 10% resol soaked 24 hours, the unnecessary resin solution of elimination after immersion finishes, the hollow haydite that will soak in the ethanolic soln of 10% resol is put into the curing apparatus that has stirring mechanism and is carried out solidifying the first time, solidification value is 80 ℃, and be 4 hours set time;
4) solidify for the first time to finish and be warming up to 180 ℃ and then carry out solidifying second time, make the hollow haydite of wrapping up in deposited resin; Twice solidification process all carries out under the continuous stirring of stirring mechanism, makes to solidify evenly fully.
5) repeating step 3) and step 4), the haydite that applies resin of wrapping up in of step 4) preparation is wrapped up in deposited resin again, make the propping agent for the coal-seam gas waterfrac treatment.
The propping agent of present embodiment preparation is the hollow haydite of wrapping up in the 20-40 purpose bauxitic clay that applies resin, and it is 3% of propping agent that resin is wrapped up in deposited weight, and density is 1.28, circularity is 9, can bear the pressure of 28MPa, and the big density of intensity is low, be suitable for as the propping agent in the coal-seam gas waterfrac treatment, support effect is good.
Embodiment 2:
1) bauxitic clay is ground into 300-400 purpose single-size, to be 39:60:0.5:0.5 according to the weight ratio of bauxitic clay, water, Manganse Dioxide and resin add water in the above-mentioned single-size, manganese dioxide powder, resin, is stirred to liquid mixture; To adopt the ram pump nozzle inside diameter be 20-30 purpose high pressure plunger pump is ejected into described liquid mixture highly is on 20 meters the drying tower, dries the hollow haydite of formation 20-30 purpose under 1000 ℃;
2) step 1) is prepared hollow haydite is put into rotary kiln, 1500 ℃ of sintering 5 hours, and cooling gets the hollow haydite of 20-30 purpose high strength then;
3) with step 2) the hollow haydite of 20-30 purpose high strength that the makes ethanolic soln of putting into 15% resol soaked 18 hours, the unnecessary resin solution of elimination after immersion finishes, the hollow haydite that will soak in the ethanolic soln of 15% resol is put into the curing apparatus that has stirring mechanism and is carried out solidifying the first time, solidification value is 100 ℃, and be 5 hours set time;
4) solidify for the first time to finish and be warming up to 200 ℃ and then carry out solidifying second time, make the hollow haydite of wrapping up in deposited resin; Twice solidification process all carries out under the continuous stirring of stirring mechanism, makes to solidify evenly fully.
5) repeating step 3) and step 4), the hollow haydite that applies resin of wrapping up in that step 4) is prepared carries out wrapping up in deposited resin for twice again, makes the propping agent for the coal-seam gas waterfrac treatment.
The propping agent of present embodiment preparation is the hollow haydite of wrapping up in the 20-30 purpose bauxitic clay that applies resin, it is 5% of propping agent that resin is wrapped up in deposited weight, density is 1.27, circularity is 8.5, can bear the pressure of 40MPa, the big density of intensity is low, is suitable for as the propping agent in the coal-seam gas waterfrac treatment, and support effect is good.
Embodiment 3:
1) bauxitic clay is ground into 300-400 purpose single-size, adds water in the above-mentioned single-size, manganese dioxide powder, resin, be stirred to liquid mixture; To adopt the ram pump nozzle inside diameter be 30-40 purpose high pressure plunger pump is ejected into described liquid mixture highly is on 20 meters the drying tower, dries the hollow haydite of formation 30-40 purpose under 900 ℃;
2) step 1) is prepared hollow haydite is put into rotary kiln, 1200 ℃ of sintering 5 hours, and cooling gets the hollow haydite of 30-40 purpose high strength then;
3) with step 2) the hollow haydite of 30-40 purpose high strength that the makes ethanolic soln of putting into 20% resol soaked 15 hours, the unnecessary resin solution of elimination after immersion finishes, the hollow haydite that will soak in the ethanolic soln of 20% resol is put into the curing apparatus that has stirring mechanism and is carried out solidifying the first time, solidification value is 60 ℃, and be 3 hours set time;
4) solidify for the first time to finish and curing apparatus is warming up to 180 ℃ then carries out solidifying second time, make the hollow haydite of wrapping up in deposited resin; Twice solidification process all carries out under the continuous stirring of stirring mechanism, makes to solidify evenly fully.
5) repeating step 3) and step 4), the hollow haydite that applies resin of wrapping up in that step 4) is prepared carries out wrapping up in deposited resin three times again, makes the propping agent for coal-seam gas and shale gas waterfrac treatment.
The propping agent of present embodiment preparation is the hollow haydite of wrapping up in the 30-40 purpose bauxitic clay that applies resin, it is 6.5% of propping agent that resin is wrapped up in deposited weight, density is 1.25, circularity is 8.5, can bear the pressure of 525MPa, the big density of intensity is low, is suitable for as the propping agent in coal-seam gas and the shale gas waterfrac treatment, and support effect is good.
Embodiment 4:
1) bauxitic clay is ground into 200-400 purpose single-size, adds water in the above-mentioned single-size, manganese dioxide powder, resin, be stirred to liquid mixture; To adopt the ram pump nozzle inside diameter be 20-40 purpose high pressure plunger pump is ejected into described liquid mixture highly is on 20 meters the drying tower, dries the hollow haydite of formation 20-40 purpose under 800 ℃;
2) step 1) is prepared hollow haydite is put into rotary kiln, 1400 ℃ of sintering 4 hours, and cooling gets the hollow haydite of 20-40 purpose high strength then;
3) with step 2) the hollow haydite of 20-40 purpose high strength that the makes ethanolic soln of putting into 20% resol soaked 18 hours, the unnecessary resin solution of elimination after immersion finishes, the hollow haydite that will soak in the ethanolic soln of 20% resol is put into the curing apparatus that has stirring mechanism and is carried out solidifying the first time, solidification value is 90 ℃, and be 5 hours set time;
4) solidify for the first time to finish and curing apparatus is warming up to 160 ℃ then carries out solidifying second time, make the hollow haydite of wrapping up in deposited resin; Twice solidification process all carries out under the continuous stirring of stirring mechanism, makes to solidify evenly fully.
5) repeating step 3) and step 4), the hollow haydite that applies resin of wrapping up in that step 4) is prepared carries out wrapping up in deposited resin five times again, makes the propping agent for the shale gas waterfrac treatment.
The propping agent of present embodiment preparation is the hollow haydite of wrapping up in the 20-40 purpose bauxitic clay that applies resin, it is 10.5% of propping agent that resin is wrapped up in deposited weight, density is 1.22, circularity is 9, can bear the pressure of 80MPa, the big density of intensity is low, is suitable for as the propping agent in the shale gas waterfrac treatment, and support effect is good.
Embodiment 5:
1) bauxitic clay is ground into 200-400 purpose single-size, adds water in the above-mentioned single-size, manganese dioxide powder, resin, be stirred to liquid mixture; To adopt the ram pump nozzle inside diameter be 20-40 purpose high pressure plunger pump is ejected into described liquid mixture highly is on 20 meters the drying tower, dries the hollow haydite of formation 20-40 purpose under 900 ℃;
2) step 1) is prepared hollow haydite is put into rotary kiln, 1600 ℃ of sintering 3 hours, and cooling gets the hollow haydite of 20-40 purpose high strength then;
3) with step 2) the hollow haydite of 20-40 purpose high strength that the makes ethanolic soln of putting into 15% resol soaked 18 hours, the unnecessary resin solution of elimination after immersion finishes, the hollow haydite that will soak in the ethanolic soln of 15% resol is put into the curing apparatus that has stirring mechanism and is carried out solidifying the first time, solidification value is 70 ℃, and be 2 hours set time;
4) solidify for the first time to finish and curing apparatus is warming up to 190 ℃ then carries out solidifying second time, make the hollow haydite of wrapping up in deposited resin; Twice solidification process all carries out under the continuous stirring of stirring mechanism, makes to solidify evenly fully.
5) repeating step 3) and step 4), the hollow haydite that applies resin of wrapping up in that step 4) is prepared carries out wrapping up in deposited resin four times again, makes the propping agent for the shale gas waterfrac treatment.
The propping agent of present embodiment preparation is the hollow haydite of wrapping up in the 20-40 purpose bauxitic clay that applies resin, it is 8% of propping agent that resin is wrapped up in deposited weight, density is 1.24, circularity is 8.5, can bear the pressure of 69MPa, the big density of intensity is low, is suitable for as the propping agent in the shale gas waterfrac treatment, and support effect is good.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. propping agent that is used for coal-seam gas and shale gas waterfrac treatment, it is characterized in that: described propping agent is the hollow haydite of wrapping up in the 20-40 purpose bauxitic clay that applies resin, described weight resin accounts for the 1.5-17.5% of described propping agent weight, the density of this propping agent is 1.2-1.3, cracking pressure is 20-100MPa, circularity 8-10.
2. a method for preparing the propping agent for coal-seam gas and shale gas waterfrac treatment as claimed in claim 1 is characterized in that, may further comprise the steps:
1) makes hollow haydite
Adopt bauxitic clay to do raw material, be ground into 200-400 purpose single-size, add water, Manganse Dioxide, resin and stir into liquid mixture, afterwards described liquid mixture is dried under 500-1000 ℃ of temperature, make described hollow haydite after the cooling;
2) be 2-6 hour with described hollow haydite at 900-1500 ℃ of following sintering time;
3) it is coated the hollow haydite behind the above-mentioned sintering to be carried out at least 1 resin, namely gets described propping agent.
3. the method for a kind of propping agent for the preparation of coal-seam gas and shale gas waterfrac treatment as claimed in claim 2, it is characterized in that: described hollow haydite particle diameter is the 20-40 order.
4. the method for a kind of propping agent for the preparation of coal-seam gas and shale gas waterfrac treatment as claimed in claim 2, it is characterized in that: described resin is coated to be that the hollow haydite behind the described sintering was soaked 22-26 hour down at 25-30 ℃ with the resol ethanolic soln at every turn, the resol ethanolic soln that elimination is unnecessary solidifies soaked hollow haydite 2-6 hour down at 60-100 ℃ afterwards; Then being warming up to 160-200 ℃ continues to solidify 2-6 hour.
5. the method for a kind of propping agent for the preparation of coal-seam gas and shale gas waterfrac treatment as claimed in claim 4 is characterized in that: described resin coated for 1-7 resin coated.
6. the method for a kind of propping agent for the preparation of coal-seam gas and shale gas waterfrac treatment as claimed in claim 5, it is characterized in that: described resin is coated to be that 3 resins are coated.
7. the method for a kind of propping agent for the preparation of coal-seam gas and shale gas waterfrac treatment as claimed in claim 2, it is characterized in that: the coated each coated weight of described resin accounts for the 1.5-2.5% of described propping agent weight.
8. the method for a kind of propping agent for the preparation of coal-seam gas and shale gas waterfrac treatment as claimed in claim 2, it is characterized in that: the weight ratio of described bauxitic clay, water, Manganse Dioxide and resin is 39:60:0.5:0.5.
9. the method for a kind of propping agent for the preparation of coal-seam gas and shale gas waterfrac treatment as claimed in claim 2, it is characterized in that: the ethanolic soln mass concentration of described resol is 5-25%.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015144091A1 (en) * | 2014-03-28 | 2015-10-01 | 北京仁创科技集团有限公司 | Self-suspending proppant and preparation and use thereof |
| CN110354970A (en) * | 2018-04-10 | 2019-10-22 | 中国石油天然气股份有限公司 | A kind of processing method of shale gas pressure break river sand proppant |
| CN111073627A (en) * | 2019-12-31 | 2020-04-28 | 西南石油大学 | Lightweight porous proppant, preparation method and application thereof |
| CN113755153A (en) * | 2021-10-25 | 2021-12-07 | 哈尔滨富佳隆科技有限公司 | Preparation method of proppant for carbon sequestration and fracturing fluid by utilizing hazardous wastes |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4443347A (en) * | 1981-12-03 | 1984-04-17 | Baker Oil Tools, Inc. | Proppant charge and method |
| WO1999027229A1 (en) * | 1997-11-21 | 1999-06-03 | Bj Services Company | Formation treatment method using deformable particles |
| WO2004022914A1 (en) * | 2002-09-03 | 2004-03-18 | Bj Services Company | Method of treating subterranean formations with porous ceramic particulate materials |
| CN1659020A (en) * | 2002-06-03 | 2005-08-24 | 博登化学公司 | Particulate material having multiple curable coatings and methods for making and using same |
| CN1686924A (en) * | 2005-04-22 | 2005-10-26 | 关昌烈 | Method for preparing proppant in high intensity |
| US20070193746A1 (en) * | 2003-06-20 | 2007-08-23 | Bj Services Company | Method of hydraulic fracturing to reduce unwanted water productions |
| CN101346324A (en) * | 2005-12-28 | 2009-01-14 | 3M创新有限公司 | Low density proppant particles and use thereof |
-
2013
- 2013-04-10 CN CN201310123782.3A patent/CN103194204B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4443347A (en) * | 1981-12-03 | 1984-04-17 | Baker Oil Tools, Inc. | Proppant charge and method |
| WO1999027229A1 (en) * | 1997-11-21 | 1999-06-03 | Bj Services Company | Formation treatment method using deformable particles |
| CN1659020A (en) * | 2002-06-03 | 2005-08-24 | 博登化学公司 | Particulate material having multiple curable coatings and methods for making and using same |
| WO2004022914A1 (en) * | 2002-09-03 | 2004-03-18 | Bj Services Company | Method of treating subterranean formations with porous ceramic particulate materials |
| US20070193746A1 (en) * | 2003-06-20 | 2007-08-23 | Bj Services Company | Method of hydraulic fracturing to reduce unwanted water productions |
| CN1686924A (en) * | 2005-04-22 | 2005-10-26 | 关昌烈 | Method for preparing proppant in high intensity |
| CN101346324A (en) * | 2005-12-28 | 2009-01-14 | 3M创新有限公司 | Low density proppant particles and use thereof |
Non-Patent Citations (3)
| Title |
|---|
| 刘让杰等: "水力压裂支撑剂现状及展望", 《钻采工艺》 * |
| 扈福堂等: "超轻支撑剂将改变压裂工艺", 《青海石油》 * |
| 黄勇等: "低密度支撑剂用酚醛/环氧树脂改性复合材料的研究", 《高分子材料科学与工程》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015144091A1 (en) * | 2014-03-28 | 2015-10-01 | 北京仁创科技集团有限公司 | Self-suspending proppant and preparation and use thereof |
| RU2652592C1 (en) * | 2014-03-28 | 2018-04-27 | Бейджинг Рёчсанд Сайенс Энд Текнолоджи Груп Ко., Лтд | Self-advancing proppant, its preparation and usage |
| CN110354970A (en) * | 2018-04-10 | 2019-10-22 | 中国石油天然气股份有限公司 | A kind of processing method of shale gas pressure break river sand proppant |
| CN111073627A (en) * | 2019-12-31 | 2020-04-28 | 西南石油大学 | Lightweight porous proppant, preparation method and application thereof |
| CN113755153A (en) * | 2021-10-25 | 2021-12-07 | 哈尔滨富佳隆科技有限公司 | Preparation method of proppant for carbon sequestration and fracturing fluid by utilizing hazardous wastes |
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| CN103194204B (en) | 2016-03-23 |
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