CN102757780B - Oil fracturing propping agent and production method thereof - Google Patents
Oil fracturing propping agent and production method thereof Download PDFInfo
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- CN102757780B CN102757780B CN201210284298.4A CN201210284298A CN102757780B CN 102757780 B CN102757780 B CN 102757780B CN 201210284298 A CN201210284298 A CN 201210284298A CN 102757780 B CN102757780 B CN 102757780B
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- 239000000843 powder Substances 0.000 claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 22
- 238000005065 mining Methods 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 21
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
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- 239000002253 acid Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
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- 229910052593 corundum Inorganic materials 0.000 description 3
- 239000010431 corundum Substances 0.000 description 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
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- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to an oil fracturing propping agent and a production method thereof. The oil fracturing propping agent is composed of, by mass, 52% to 60% of aluminum ores, 1% to 10% of mining beneficiation waste residues, 1% to 5% of red mud, 1% to 15% of waste fire resistant materials and 17% to 25 % of coal gangue. The production method includes the steps of subjecting raw materials to crushing, ball milling, screening and dosing in proportion to obtain mixed fine powders; granulating the fine powders through a spray granulation system, and screening the granulated fine powders to obtain semi-finished products; drying and roasting the semi-finished products in a rotary kiln, and then cooling and screening the dried semi-finished products through a rolling screen to obtain finished products. According to the oil fracturing propping agent and the production method thereof, a high-strength and low-density fracturing propping agent is provided for oilfields (oil gas), not only requirements of deep well fracturing can be met, and oilfield (oil gas) development efficiency is improved, but also wastes produced in the industrial production are used comprehensively, the environment pollution problem is solved effectively, the production cost is reduced, and the market competitiveness of products is enhanced.
Description
Technical field
The present invention relates to the Selid propping agent that a kind of oil, gas well fracturing are used, particularly related to a kind of high-strength low-density fracturing propping agents and production method thereof, belonged to oil recovery (gas) auxiliary agent field.
Background technology
Petroleum fracturing propping agent is proprietary material essential in oil-gas field fracturing operation, especially in the exploitation in low-permeability oil gas field, plays an important role.At present, the ceramsite propping agent intensity of domestic application is lower (anti-pressure ability is generally 52MPa) generally, is difficult to meet the demand of heavy duty service, and its volume density and volume density larger.Find according to research: the accumulation of generation mound, port, the crack shape that the propping agent that volume density is large easily produces in pressure break, extremely unfavorable to water conservancy diversion, and fracturing liquid is proposed to higher requirement, increase pressing crack construction difficulty; Volume density greatly can increase the quality of filling the required propping agent of formation fracture, increases the cost of frac job.Therefore, research and development low-density and high-strength petroleum fracturing propping agent is of great immediate significance.
The contaminative waste residue of discharging when red mud is Aluminium industry extraction aluminum oxide, 1 ton of aluminum oxide of the every production of average, the subsidiary 1.0-2.0 ton red mud that produces.China is as the fourth-largest alumina producing state of the world, and the red mud of annual discharge is up to millions of tons, and the red mud quantity that the whole world produces is surprising especially.A large amount of red muds can not fully effectively utilize, and can only be deposited on soil, and this has not only taken a large amount of soils, also environment has been caused to serious pollution.
Coal gangue is the solid waste discharging in coal mining process and coal washing process, is a kind of black gray expandable rock lower, harder than coal with a kind of carbon content of coal seam association in coalification course.Coal gangue is thrown aside, not only takies a large amount of soils, and can influence ecological environment.The molten water of coal gangue will pollute surrounding soil and underground water, and coal gangue contains certain combustiblematerials, and the obnoxious flavour pollutant atmospheres such as spontaneous combustion meeting discharge sulfurous gas, oxynitride, oxycarbide and flue dust, affect the healthy of resident.
Waste and old refractory materials is refractory materials discarded in industrial production, the high temperature industries such as iron and steel, cement, glass and all types of industries cellar for storing things stove all will consume a large amount of refractory materialss every year, and refractory materials manufacturing enterprise also can produce a large amount of waste and old refractory wastes in process of production.These not only enormous amount of waste and old refractory materials, and extremely difficult, only have few part just can recycle, and the typical processing mode of most waste and old refractory materials is buried or the use of demoting exactly.Like this, not only enterprise will spend huge fund and piles up with buying or bury waste material, has increased production cost, and these waste and old refractory materials severe contaminations environment, wasted ample resources.
Mining and mill run waste residue is barren rock, chip, powder, dust and the mud etc. that produce in mining mineral resource process, if waste residue effectively can not be utilized, will take a large amount of soils, waste resource, influence ecological environment.
Along with industrial fast development, the quantity of red mud, coal gangue, waste and old refractory materials and these industrial wastes of mining and mill run waste residue grows with each passing day, these waste disposal difficulties, reasonably do not utilize method, not only caused taking in a large number of soil, polluted ecotope yet, affect the healthy of the mankind, how to utilize these industrial wastes, turn waste into wealth, become a new problem.
Summary of the invention
The object of this invention is to provide a kind of low volume density, low volume density, high-intensity petroleum fracturing propping agent.
The present invention also aims to provide a kind of production method of petroleum fracturing propping agent.
In order to realize above object, the technical solution adopted in the present invention is to provide a kind of petroleum fracturing propping agent, and this petroleum fracturing propping agent is made up of the raw material of following mass percent: aluminum ore 52-60%, mining and mill run waste residue 1-10%, waste and old refractory materials 1-15%, coal gangue 17-25% and red mud 1-5%.
Meanwhile, technical program of the present invention also lies in providing a kind of production method of petroleum fracturing propping agent, comprise the following steps: by after each raw material crushing, abrasive dust, screening, be mixed with in proportion even mixing fine powders and granulate, granule sieving obtains work in-process; By work in-process drying and roasting, after sintering 8-10h, be cooled to 30 ~ 50 DEG C, the screening of rolling obtains this product.
Described mixing fine powders selects 0.048mm sieve to select powder.
Described half-finished particle diameter is 19-30 order.
Described finished product is selected the screening of 20-40 mesh sieve.
Described drying and roasting adopts rotary kiln, and temperature of kiln head is controlled at 1300-1400 DEG C, and kiln end temperature is controlled at 260-330 DEG C.
The invention provides several starting material:
Aluminum ore refers to what industrial energy utilized, the general name of the ore of composition taking gibbsite, boehmite or diaspore as essential mineral, and its main component is aluminum oxide.Aluminum ore is widely used in the industries such as aluminium metallurgy industry, refractory materials.In the explored reserves of China, a diaspore type aluminum ore accounts for the more than 98% of national total reserves.The aluminum ore Al that the present invention adopts
2o
3content 55 ~ 75%, SiO
25 ~ 20%, alumina silica ratio is 4 ~ 7, mainly utilizes the Al in aluminum ore
2o
3, SiO
2at high temperature reaction generates high-intensity mullite and a small amount of corundum phase, improves the ultimate compression strength of product.
Mining and mill run waste residue is barren rock, chip, powder, dust and the mud etc. that produce in mining mineral resource process, it is mainly argillaceous ore, add mining and mill run waste residue to be intended to utilize the viscosity of its ore, in the time making work in-process, improve the shaping efficiency of grain, and strengthen half-finished intensity, thereby improve the quality of product.
The contaminative waste residue of discharging when red mud is Aluminium industry extraction aluminum oxide, show red because being rich in ferric oxide, in fracturing propping agents production process, add red mud, in sintering process, ferric oxide produces liquid phase and is wrapped in proppant surface under hot conditions, when reducing sintering temperature, can also improve proppant surface smooth finish.
Coal gangue is the solid waste discharging in coal mining process and coal washing process, is a kind of black gray expandable rock lower, harder than coal with a kind of carbon content of coal seam association in coalification course.Its main component is C, Al
2o
3, SiO
2, adding of coal gangue is intended to utilize Al
2o
3, SiO
2binary crystalline phase can reduce the temperature that mullite forms, and the gas that produces at high temperature of coal gangue impels that crystal grain is inner forms closed pore, effectively reduces volume density and the volume density of propping agent.
Aluminum oxide in waste and old refractory materials and silicon-dioxide have been converted into the stable high strength crystalline phase such as mullite and corundum in the time that it is produced, and in reducing maturing temperature, can improve the ultimate compression strength of propping agent, the acid fastness of propping agent are also made moderate progress simultaneously.
Main raw material(s) component of the present invention requires (representing % with mass percent) as shown in table 1:
The requirement of table 1 petroleum fracturing propping agent main raw material(s) component
| Raw material | Al 2O 3 | SiO 2 | Fe 2O 3 | TiO 2 | MgO | K 2O | NaO | CaO | Loss on ignition |
| Waste and old refractory materials | 40-70 | 4-30 | <3 | <5 | <2 | <1.5 | <1 | - | <1 |
| Coal gangue | 20-60 | 20-50 | ≤6 | ≤3 | <2 | - | - | <10 | <10 |
| Red mud | 5-20 | 3-23 | 7-20 | <8 | 1-2 | <1 | 2-3 | 2-49 | <15 |
| Mining and mill run waste residue | <50 | >20 | >1 | >5 | <2 | <1 | <1 | <11 | <10 |
| Aluminum ore | 55-75 | 5-20 | <4 | <4 | <1 | - | - | <1 | <15 |
The mechanism of the each starting material component of the present invention effect is aluminum ore Al in the time of 1300-1400 DEG C of high-temperature calcination
2o
3, SiO
2react, generate α-corundum, improve the ultimate compression strength of propping agent; The corundum phase that waste and old refractory materials utilizes its stability and formed in the time of high-temperature roasting, can reduce maturing temperature; The gas that utilizes coal gangue to generate under hot conditions, at Al
2o
3in crystal, produce small pore (ventilate, the hole of holding one's breath), reduced the volume density of propping agent; Adding of red mud is intended to utilize its ferric oxide containing at high temperature to produce liquid phase, is wrapped in proppant surface, in grain boundaries, and Al
2o
3when crystal further increases, to overcome its resistance, must exceed Spinel, need very macro-energy, hinder thus Al
2o
3the increase of crystal grain, has improved the intensity of propping agent, but coal gangue excessive adds membership, gas volume is increased, and makes propping agent loose, reduces on the contrary its intensity; Utilize the viscosity in mining and mill run waste residue medium clay soil ore deposit, the viscosity of mixing fine powders is increased, helpful to granulating, improve efficiency and half-finished degree of compactness of granulating, and then improve the quality of products.
According to the requirement of SYT5108-2006 industry standard, product performance of the present invention are detected: the percentage of damage under 52MPa and the high locking pressure of 69MPa is respectively lower than 5.0% and 8.0%, meet industrial application standard completely, and have obvious advantage than the anti-percentage of damage of like product; Small product size density is 1.40-1.60g/cm
3, volume density is 2.60-2.85g/cm
3, density is lower than industry standard; Surface smoothness is good, can reduce oil fracturing cost.Product performance of the present invention are in table 2, table 3.
Raw material drawing of the present invention is convenient, and creatively by these industrial waste comprehensive utilizations of aluminum ore, waste and old refractory materials, red mud, coal gangue and mining and mill run waste residue, turn waste into wealth, a kind of high-strength low-density fracturing propping agents are not only developed, and solve environmental problem, reduced costs.Fracturing propping agents prepared by the present invention are not only for heavy duty service provides support, and are conducive to the of the fracturing fluid use of non-gel, are convenient in stratum, form the support belt with certain length and height, thereby improve payzone flow conductivity and increase production and improve productivity.
Brief description of the drawings
Fig. 1 is the microstructure picture of petroleum fracturing propping agent.
Embodiment
Embodiment 1
The petroleum fracturing propping agent of the present embodiment, is made up of the raw material of following mass percent: aluminum ore 60%, waste and old refractory materials 13%, coal gangue 19%, red mud 3%, mining and mill run waste residue 5%.
The preparation method of petroleum fracturing propping agent is as follows: by each raw material after Hubei Province formula fragmentation, vertical crushing, ball milling abrasive dust 2h, fine powder is crossed 0.048mm sieve and is selected powder, sieving rate is greater than 98%.Make mixing fine powders according to the mass percent microcomputer automatic blending of aluminum ore 60%, waste and old refractory materials 13%, coal gangue 19%, red mud 3%, mining and mill run waste residue 5% and enter the pot granulation of granulating, in the at the uniform velocity stirring in pot of granulating, spray into continuously atomized water gas simultaneously, mixing fine powders forms round shaped grain not of uniform size, crosses the screening of 19-30 mesh sieve and obtains work in-process.Work in-process are delivered to rotary kiln baking, and controlling temperature of kiln head is 1300 DEG C, and kiln end temperature is controlled at 260 DEG C, fires 8h, is cooled to 30 DEG C through cooling kiln, and the screening of 20-40 mesh sieve obtains this product.According to SYT5108-2006 standard, product performance are detected, result is as shown in table 2.
Embodiment 2
The petroleum fracturing propping agent of the present embodiment, is made up of the raw material of following mass percent: aluminum ore 58%, waste and old refractory materials 12%, coal gangue 17%, red mud 5%, mining and mill run waste residue 8%.
The preparation method of petroleum fracturing propping agent is as follows: by each raw material after Hubei Province formula fragmentation, vertical crushing, ball milling abrasive dust 3h, fine powder is crossed 0.048mm sieve and is selected powder, sieving rate is greater than 98%.Make mixing fine powders according to mass percent aluminum ore 58%, waste and old refractory materials 12%, coal gangue 17%, red mud 5%, mining and mill run waste residue 8% microcomputer automatic blending and enter the pot granulation of granulating, in the at the uniform velocity stirring in pot of granulating, spray into continuously atomized water gas simultaneously, mixing fine powders forms round shaped grain not of uniform size, crosses the screening of 19-30 mesh sieve and obtains work in-process.Work in-process are delivered to rotary kiln baking, and controlling temperature of kiln head is 1400 DEG C, and kiln end temperature is controlled at 300 DEG C, fires 10h, is cooled to 50 DEG C through cooling kiln, and 2040 mesh sieve screenings obtain this product.According to SYT5108-2006 standard, product performance are detected, result is as shown in table 2.
Embodiment 3
The petroleum fracturing propping agent of the present embodiment, is made up of the raw material of following mass percent: aluminum ore 55%, waste and old refractory materials 13%, coal gangue 21%, red mud 1%, mining and mill run waste residue 10%.
The preparation method of petroleum fracturing propping agent is as follows: by each raw material after Hubei Province formula fragmentation, vertical crushing, ball milling abrasive dust 3h, fine powder is crossed 0.048mm sieve and is selected powder, sieving rate is greater than 98%.Make mixing fine powders according to mass percent aluminum ore 55%, waste and old refractory materials 13%, coal gangue 21%, red mud 1%, mining and mill run waste residue 10% microcomputer automatic blending and enter the pot granulation of granulating, in the at the uniform velocity stirring in pot of granulating, spray into continuously atomized water gas simultaneously, mixing fine powders forms round shaped grain not of uniform size, crosses the screening of 19-30 mesh sieve and obtains work in-process.Work in-process are delivered to rotary kiln baking, and controlling temperature of kiln head is 1350 DEG C, and kiln end temperature is controlled at 330 DEG C, fires 9h, is cooled to 40 DEG C through cooling kiln, and the screening of 20-40 mesh sieve obtains this product.According to SYT5108-2006 standard, product performance are detected, result is as shown in table 2.
Embodiment 4
The petroleum fracturing propping agent of the present embodiment, is made up of the raw material of following mass percent: aluminum ore 52%, waste and old refractory materials 15%, coal gangue 25%, red mud 4%, mining and mill run waste residue 4%.
The preparation method of petroleum fracturing propping agent is as follows: by each raw material after Hubei Province formula fragmentation, vertical crushing, ball milling abrasive dust 4h, fine powder is crossed 0.048mm sieve and is selected powder, sieving rate is greater than 98%.Make mixing fine powders according to mass percent aluminum ore 52%, waste and old refractory materials 15%, coal gangue 25%, red mud 4%, mining and mill run waste residue 4% microcomputer automatic blending and enter the pot granulation of granulating, in the at the uniform velocity stirring in pot of granulating, spray into continuously atomized water gas simultaneously, mixing fine powders forms round shaped grain not of uniform size, crosses the screening of 19-30 mesh sieve and obtains work in-process.Work in-process are delivered to rotary kiln baking, and controlling temperature of kiln head is 1330 DEG C, and kiln end temperature is controlled at 280 DEG C, fires 10h, is cooled to 35 DEG C through cooling kiln, and the screening of 20-40 mesh sieve obtains this product.According to SYT5108-2006 standard, product performance are detected, result is as shown in table 2.
Table 2 product performance detected result
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Volume density (g/cm 3） | 1.48 | 1.50 | 1.52 | 1.55 |
| Volume density (g/cm 3) | 2.66 | 2.71 | 2.79 | 2.85 |
| Circularity | 0.9 | 0.9 | 0.9 | 0.85 |
| Sphericity | 0.9 | 0.9 | 0.85 | 0.9 |
| Turbidity (FTU) | 40.2 | 38.4 | 41.3 | 37.8 |
| Acid solubility (%) | 6.8 | 6.6 | 6.4 | 6.2 |
| Percentage of damage/52MPa (%) | 4.8 | 4.4 | 3.8 | 3.4 |
| Percentage of damage/69MPa (%) | 7.6 | 7.8 | 7.0 | 6.8 |
Table 3 product performance index of the present invention and industry standard contrast
| Performance | Product of the present invention | Industry standard |
| Volume density (g/cm 3） | 1.40~1.60 | ≤1.65 |
| Volume density (g/cm 3) | 2.60~2.85 | ≤3.00 |
| Circularity | 0.85~0.9 | ＞0.8 |
| Sphericity | 0.85~0.9 | ＞0.8 |
| Turbidity (FTU) | 37.0~42.0 | ≤100 |
| Acid solubility (%) | 6.2~6.8 | ≤8 |
| Percentage of damage/52MPa (%) | 3.0~5.0 | ≤9 |
| Percentage of damage/69MPa (%) | 6.0~8.0 | - |
Claims (6)
1. a petroleum fracturing propping agent, is characterized by: it is made up of the raw material of following mass percent: aluminum ore 52-60%, mining and mill run waste residue 1-10%, waste and old refractory materials 1-15%, coal gangue 17-25% and red mud 1-5%.
2. a production method for petroleum fracturing propping agent as claimed in claim 1, is characterized by: by after each raw material crushing, abrasive dust, screening, be made in proportion even mixing fine powders and granulate, granule sieving obtains work in-process; By work in-process drying and roasting, after sintering 8-10h, be cooled to 30 ~ 50 DEG C, the screening of rolling obtains this product.
3. the production method of petroleum fracturing propping agent according to claim 2, is characterized by: described mixing fine powders selects 0.048mm sieve to select powder.
4. the production method of petroleum fracturing propping agent according to claim 2, is characterized by: described half-finished particle diameter is 19-30 order.
5. the production method of petroleum fracturing propping agent according to claim 2, is characterized by: described finished product is selected the screening of 20-40 mesh sieve.
6. the production method of petroleum fracturing propping agent according to claim 2, is characterized by: described drying and roasting adopts rotary kiln, and temperature of kiln head is controlled at 1300-1400 DEG C, and kiln end temperature is controlled at 260-330 DEG C.
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| CN103708752A (en) * | 2013-12-02 | 2014-04-09 | 洛阳麦德陶粒有限公司 | Method for production of ceramsite sand from tile grinding waste |
| EP3359505A1 (en) * | 2015-10-05 | 2018-08-15 | ZaaK Technologies GmbH | Sintered spheres, process for their production and use thereof |
| CN106833600B (en) * | 2017-01-16 | 2019-07-30 | 中国建筑材料科学研究总院 | A kind of acidproof high-strength pressure crack proppant of red mud base and preparation method thereof |
| CN108795405A (en) * | 2018-07-10 | 2018-11-13 | 山西富森能源科技有限公司 | The ceramsite propping agent of low-density and high-strength is made using waste and old refractory material |
| CN110257046A (en) * | 2019-07-23 | 2019-09-20 | 天津理工大学 | A method of petroleum fracturing propping agent is prepared using red mud and oil sludge and sand |
| CN111454076B (en) * | 2020-04-30 | 2022-07-12 | 西安建筑科技大学 | Ceramsite proppant prepared from blast furnace tapping channel waste and preparation process |
| CN115404069A (en) * | 2022-09-08 | 2022-11-29 | 郑州德赛尔陶粒有限公司 | Fracturing propping agent prepared from tailing waste and production system thereof |
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| RU2346971C2 (en) * | 2006-12-27 | 2009-02-20 | Шлюмбергер Текнолоджи Б.В. | Propping agent, method for production and application thereof |
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| CN101085914A (en) * | 2007-07-17 | 2007-12-12 | 桂林工学院 | Method for preparing acid-resistant pressing crack supporting agent from red mud |
| CN102127418A (en) * | 2010-12-29 | 2011-07-20 | 北京奇想达科技有限公司 | Ultralight-weight proppant and preparation method thereof |
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Address after: Bamboo town of Gongyi city of Henan Province, Zhengzhou City Zhang village 451200 Patentee after: HENAN TIANXIANG NEW MATERIALS Co.,Ltd. Address before: Bamboo town of Gongyi city of Henan Province, Zhengzhou City Zhang village 451200 Patentee before: GONGYI TIANXIANG REFRACTORY MATERIALS Co.,Ltd. |
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Denomination of invention: A petroleum fracturing proppant and its production method Effective date of registration: 20231127 Granted publication date: 20141022 Pledgee: Bank of China Limited Gongyi Branch Pledgor: HENAN TIANXIANG NEW MATERIALS Co.,Ltd. Registration number: Y2023980067758 |