CN103450873A - Petroleum fracturing propping agent and preparation method thereof - Google Patents
Petroleum fracturing propping agent and preparation method thereof Download PDFInfo
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- CN103450873A CN103450873A CN2013104349360A CN201310434936A CN103450873A CN 103450873 A CN103450873 A CN 103450873A CN 2013104349360 A CN2013104349360 A CN 2013104349360A CN 201310434936 A CN201310434936 A CN 201310434936A CN 103450873 A CN103450873 A CN 103450873A
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Abstract
The invention relates to a petroleum fracturing propping agent and a manufacturing method of the petroleum fracturing propping agent. At present, fracturing ceramsite, fracturing silica sand and the like are mostly used as popping agents in China, the strength of the ceramsite and the silica sand is low and only can be applied to shallow oil well exploitation, if the propping agents are applied to a deep well, the propping agents cannot bear the huge pressure of rock strata and all kinds of corrosion in the stratum environment, and outflow of petroleum is stopped. The petroleum fracturing propping agent is characterized in that bauxite, potassium feldspar and manganese ore are used as an aggregate and sintered into spheres, wherein chemical components of the aggregate comprise, by weight, 77%-89% of the bauxite, 8%-15% of the potassium feldspar and 3%-8% of the manganese ore. According to the petroleum fracturing propping agent and the manufacturing method of the petroleum fracturing propping agent, the bauxite, the potassium feldspar and the manganese ore are used as an aggregate and are sintered into the spheres, ingredients are simple, the production cost is reduced, the acid hydrolysis degree of ceramsite sand is reduced, the strength of the ceramsite sand is improved, and a ceramsite sand product with the low density and the low breakage rate is obtained. The manufacturing method of the petroleum fracturing propping agent is simple, the energy consumption is low, and the obtained finished product is low in density and low in breakage rate.
Description
Technical field
The invention belongs to the petroleum fracturing propping agent preparing technical field, relate to a kind of petroleum fracturing propping agent and preparation method thereof.
Background technology
Fracturing Technology plays very important effect to mondial oil production, and petroleum fracturing propping agent is the key that can the oil fracturing Technology succeed.High-quality propping agent can be crude oil production and plays an important role.Petroleum fracturing propping agent, be to make depths, stratum rock fracture keep the upholder of the state that splits, and particle diameter 0. 4-0. 9 mm, have certain circularity and sphericity.In use, propping agent is sneaked in fracturing liquid, utilize high pressure tactics to inject the deep layer rock fracture and support rock stratum, to improve the Oil Guide rate, increase crude production rate.
At present, domestic pressure break haydite, the quartz sand etc. of adopting more, but haydite, quartz sand intensity are lower, can only, for the shallow-layer oil mining, if these propping agents are used in deep-well, will be difficult to bear the various corrosion in the huge pressure in rock stratum and ground environment, can be a large amount of broken, its percentage of damage generally, at 15 %-25 %, has stoped the outflow of oil, is difficult to meet the requirement of oil well; (as the U.S.) in the world adopts the alundum goods, although this goods on physicochemical property, can meet the demands, but the raw material sources difficulty, complete processing complexity, and energy consumption is large, cost is high.
Summary of the invention
The purpose of this invention is to provide petroleum fracturing propping agent that a kind of compressive property is strong, percentage of damage is low, cost of manufacture is low and preparation method thereof.
The technical solution adopted in the present invention is: petroleum fracturing propping agent, its special feature is: with bauxitic clay, potassium felspar sand and manganese ore, with aggregate, sinter into spherical, wherein chemical composition forms according to weight percent: 77～89% bauxitic clay, 8～15% potassium felspar sand and 3～8% manganese ore.
The aluminium content of described bauxitic clay is 60%-70%, and in manganese ore, the content of manganese is 50%-60%.
The preparation method of above-mentioned petroleum fracturing propping agent comprises the following steps: the earphone crushing system that (1) adopts jaw crusher and hammer mill to form is broken into particle diameter≤10mm by raw ore to be broken;
(2) after becoming particle diameter to be >=400 μ m the material abrasive dust after fragmentation, through mixer, fully be uniformly mixed;
(3) in large container, make water fogging with raw material uniform stirring homogenizing after 10-15 days, with the balling-up of nodulizer nature, the diameter of alleged ball is 20 μ m-140 μ m;
(4) according to demand it is carried out to the one-level screening according to the size specification, up to specification enters next step, and all the other continue homogenizing;
(5) rotary furnace drying kiln temperature degree is controlled to 140 °-400 °, the raw material of balling-up is carried out to large moisture drying and forewarm, drying and forewarm 20-40 minute;
(6) the balling-up raw material after the oven dry carries out the secondary screening, finished product screen is assigned to next step and calcined, the continuation homogenizing fallen short of specifications;
(7) finished product is calcined, calcination time is 1-3 hour, and temperature is controlled at 1400 ℃ ± 50 ℃;
(8) finished product enters the rotation cooling kiln, and advanced sector-style is cold, after temperature drops to 1300-700, then is watered water cooling, and temperature drops to 700-40 °;
(9) cooling complete finished product is carried out to three grades of screenings, sieve as required finished product up to specification.
The invention has the beneficial effects as follows: the present invention adopts bauxitic clay, potassium felspar sand and manganese ore with the balling-up of aggregate sintering, Easy dosing, reduced production cost, the while has also reduced the acidolysis degree of ceramsite sand and has increased the intensity of ceramsite sand, obtains the ceramsite sand finished product that density is low, percentage of damage is low; Production method of the present invention is simple, and energy consumption is less, and the finished product density obtained is low, percentage of damage is low.
The accompanying drawing explanation
Fig. 1 is that petroleum fracturing propping agent is made schema.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Petroleum fracturing propping agent, sinter into spherically with aggregate with bauxitic clay, potassium felspar sand and manganese ore, wherein chemical composition forms according to weight percent: 77～89% bauxitic clay, 8～15% potassium felspar sand and 3～8% manganese ore.
The aluminium content of bauxitic clay is 60%-70%, and in manganese ore, the content of manganese is 50%-60%.
The preparation method of above-mentioned petroleum fracturing propping agent comprises the following steps:
(1) the earphone crushing system that adopts jaw crusher and hammer mill to form, be broken into particle diameter≤10mm by raw ore to be broken;
(2) after becoming particle diameter to be >=400 μ m the material abrasive dust after fragmentation, through mixer, fully be uniformly mixed;
(3) in large container, make water fogging with raw material uniform stirring homogenizing after 10-15 days, with the balling-up of nodulizer nature, the diameter of alleged ball is 20 μ m-140 μ m;
(4) according to demand it is carried out to the one-level screening according to the size specification, up to specification enters next step, and all the other continue homogenizing;
(5) rotary furnace drying kiln temperature degree is controlled to 140 °-400 °, the raw material of balling-up is carried out to large moisture drying and forewarm, drying and forewarm 20-40 minute;
(6) the balling-up raw material after the oven dry carries out the secondary screening, finished product screen is assigned to next step and calcined, the continuation homogenizing fallen short of specifications;
(7) finished product is calcined, calcination time is 1-3 hour, and temperature is controlled at 1400 ℃ ± 50 ℃;
(8) finished product enters the rotation cooling kiln, and advanced sector-style is cold, after temperature drops to 1300-700, then is watered water cooling, and temperature drops to 700-40 °;
(9) cooling complete finished product is carried out to three grades of screenings, sieve as required finished product up to specification.
Embodiment 1:
Petroleum fracturing propping agent, sinter into spherically with aggregate with bauxitic clay, potassium felspar sand and manganese ore, wherein chemical composition forms according to weight percent: 77% bauxitic clay, 15% potassium felspar sand and 8% manganese ore.
The aluminium content of bauxitic clay is 60%-70%, and in manganese ore, the content of manganese is 50%-60%.
The preparation method of above-mentioned petroleum fracturing propping agent comprises the following steps:
(1) the earphone crushing system that adopts jaw crusher and hammer mill to form, be broken into particle diameter≤10mm by raw ore to be broken;
(2) after becoming particle diameter to be >=400 μ m the material abrasive dust after fragmentation, through mixer, fully be uniformly mixed;
(3) in large container, make water fogging with raw material uniform stirring homogenizing after 10 days, with the balling-up of nodulizer nature, the diameter of alleged ball is 20 μ m;
(4) according to demand it is carried out to the one-level screening according to the size specification, up to specification enters next step, and all the other continue homogenizing;
(5) rotary furnace drying kiln temperature degree is controlled to 140 °, the raw material of balling-up is carried out to large moisture drying and forewarm, drying and forewarm 20 minutes;
(6) the balling-up raw material after the oven dry carries out the secondary screening, finished product screen is assigned to next step and calcined, the continuation homogenizing fallen short of specifications;
(7) finished product is calcined, calcination time is 1 hour, and temperature is controlled at 1400 ℃ ± 50 ℃;
(8) finished product enters the rotation cooling kiln, and advanced sector-style is cold, after temperature drops to 1300-700, then is watered water cooling, and temperature drops to 700-40 °;
(9) cooling complete finished product is carried out to three grades of screenings, sieve as required finished product up to specification.
Embodiment 2:
Petroleum fracturing propping agent, sinter into spherically with aggregate with bauxitic clay, potassium felspar sand and manganese ore, wherein chemical composition forms according to weight percent: 89% bauxitic clay, 8% potassium felspar sand and 3% manganese ore.
The aluminium content of bauxitic clay is 60%-70%, and in manganese ore, the content of manganese is 50%-60%.
The preparation method of above-mentioned petroleum fracturing propping agent comprises the following steps:
(1) the earphone crushing system that adopts jaw crusher and hammer mill to form, be broken into particle diameter≤10mm by raw ore to be broken;
(2) after becoming particle diameter to be >=400 μ m the material abrasive dust after fragmentation, through mixer, fully be uniformly mixed;
(3) in large container, make water fogging with raw material uniform stirring homogenizing after 15 days, with the balling-up of nodulizer nature, the diameter of alleged ball is 140 μ m;
(4) according to demand it is carried out to the one-level screening according to the size specification, up to specification enters next step, and all the other continue homogenizing;
(5) rotary furnace drying kiln temperature degree is controlled to 400 °, the raw material of balling-up is carried out to large moisture drying and forewarm, drying and forewarm 40 minutes;
(6) the balling-up raw material after the oven dry carries out the secondary screening, finished product screen is assigned to next step and calcined, the continuation homogenizing fallen short of specifications;
(7) finished product is calcined, calcination time is 3 hours, and temperature is controlled at 1400 ℃ ± 50 ℃;
(8) finished product enters the rotation cooling kiln, and advanced sector-style is cold, after temperature drops to 1300-700, then is watered water cooling, and temperature drops to 700-40 °;
(9) cooling complete finished product is carried out to three grades of screenings, sieve as required finished product up to specification.
Embodiment 3:
Petroleum fracturing propping agent, sinter into spherically with aggregate with bauxitic clay, potassium felspar sand and manganese ore, wherein chemical composition forms according to weight percent: 82% bauxitic clay, 13% potassium felspar sand and 5% manganese ore.
The aluminium content of bauxitic clay is 60%-70%, and in manganese ore, the content of manganese is 50%-60%.
The preparation method of above-mentioned petroleum fracturing propping agent comprises the following steps:
(1) the earphone crushing system that adopts jaw crusher and hammer mill to form, be broken into particle diameter≤10mm by raw ore to be broken;
(2) after becoming particle diameter to be >=400 μ m the material abrasive dust after fragmentation, through mixer, fully be uniformly mixed;
(3) in large container, make water fogging with raw material uniform stirring homogenizing after 13 days, with the balling-up of nodulizer nature, the diameter of alleged ball is 130 μ m;
(4) according to demand it is carried out to the one-level screening according to the size specification, up to specification enters next step, and all the other continue homogenizing;
(5) rotary furnace drying kiln temperature degree is controlled to 300 °, the raw material of balling-up is carried out to large moisture drying and forewarm, drying and forewarm 30 minutes;
(6) the balling-up raw material after the oven dry carries out the secondary screening, finished product screen is assigned to next step and calcined, the continuation homogenizing fallen short of specifications;
(7) finished product is calcined, calcination time is 2 hours, and temperature is controlled at 1400 ℃ ± 50 ℃;
(8) finished product enters the rotation cooling kiln, and advanced sector-style is cold, after temperature drops to 1300-700, then is watered water cooling, and temperature drops to 700-40 °;
(9) cooling complete finished product is carried out to three grades of screenings, sieve as required finished product up to specification.
Screening, processing, processing by us to mass data in production process, obtain one group of optimal processing parameter, and the product processed on the basis of this parameter has obtained good effect after tested, and make comparisons with regard to salient features and in other recipe ratios row.
Table 1 proportion scheme
| Numbering | Bauxitic clay (aluminium content 60%-70%) | Potassium felspar sand | Manganese ore (manganese content 50%-60%) | Flyash |
| 1 | 82 | 13 | 5 | 0 |
| 2 | 89 | 8 | 3 | 0 |
| 3 | 77 | 15 | 8 | 0 |
Table 2 propping agent performance comparison table
| ? | 1 | 2 | 3 |
| Volume density/g cm -3 | 1.68 | 1.78 | 1.58 |
| Volume density/g cm -3 | 2.98 | 3.1 | 3.67 |
| Turbidity (NTU) | 29 | 33 | 35 |
| Circularity | 0.9 | 0.9 | 0.9 |
| Sphericity | 0.9 | 0.9 | 0.9 |
| Acid solubility/% | 3.5 | 4.5 | 5.1 |
| Anti-percentage of damage/% | 3.01 | 7.12 | 8.10 |
By above, can be found out, the performance of the formula gained propping agent of the 1st group is better.
Claims (3)
1. petroleum fracturing propping agent is characterized in that: with bauxitic clay, potassium felspar sand and manganese ore, with aggregate, sinter into spherically, wherein chemical composition forms according to weight percent: 77～89% bauxitic clay, 8～15% potassium felspar sand and 3～8% manganese ore.
2. petroleum fracturing propping agent according to claim 1, it is characterized in that: the aluminium content of described bauxitic clay is 60%-70%, in manganese ore, the content of manganese is 50%-60%.
3. the preparation method of a petroleum fracturing propping agent claimed in claim 1 is characterized in that: comprise the following steps: the earphone crushing system that (1) adopts jaw crusher and hammer mill to form is broken into particle diameter≤10mm by raw ore to be broken;
(2) after becoming particle diameter to be >=400 μ m the material abrasive dust after fragmentation, through mixer, fully be uniformly mixed;
(3) in large container, make water fogging with raw material uniform stirring homogenizing after 10-15 days, with the balling-up of nodulizer nature, the diameter of alleged ball is 20 μ m-140 μ m;
(4) according to demand it is carried out to the one-level screening according to the size specification, up to specification enters next step, and all the other continue homogenizing;
(5) rotary furnace drying kiln temperature degree is controlled to 140 °-400 °, the raw material of balling-up is carried out to large moisture drying and forewarm, drying and forewarm 20-40 minute;
(6) the balling-up raw material after the oven dry carries out the secondary screening, finished product screen is assigned to next step and calcined, the continuation homogenizing fallen short of specifications;
(7) finished product is calcined, calcination time is 1-3 hour, and temperature is controlled at 1400 ℃ ± 50 ℃;
(8) finished product enters the rotation cooling kiln, and advanced sector-style is cold, after temperature drops to 1300-700, then is watered water cooling, and temperature drops to 700-40 °;
(9) cooling complete finished product is carried out to three grades of screenings, sieve as required finished product up to specification.
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| CN2013104349360A CN103450873A (en) | 2013-09-23 | 2013-09-23 | Petroleum fracturing propping agent and preparation method thereof |
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Cited By (6)
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| CN105314968A (en) * | 2014-10-09 | 2016-02-10 | 新密市万力实业发展有限公司 | Portable ceramsites and preparation method thereof |
| CN106830904A (en) * | 2017-04-13 | 2017-06-13 | 太原理工大学 | A kind of ultralow density high-strength degree ceramic fracturing proppant and preparation method thereof |
| CN111607384A (en) * | 2019-02-25 | 2020-09-01 | 中国石油天然气股份有限公司 | Processing method of quartz sand proppant |
| CN111618234A (en) * | 2020-06-17 | 2020-09-04 | 丹阳市丹水铸造新材有限公司 | Preparation method of heat-resistant steel sand for double flow channels |
| CN111960807A (en) * | 2020-08-24 | 2020-11-20 | 垣曲县刚玉陶粒有限责任公司 | Preparation method of medium-density ultrahigh-strength ceramsite proppant |
| CN116283239A (en) * | 2023-03-16 | 2023-06-23 | 薛丹丹 | Ceramsite propping agent and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314968A (en) * | 2014-10-09 | 2016-02-10 | 新密市万力实业发展有限公司 | Portable ceramsites and preparation method thereof |
| CN106830904A (en) * | 2017-04-13 | 2017-06-13 | 太原理工大学 | A kind of ultralow density high-strength degree ceramic fracturing proppant and preparation method thereof |
| CN111607384A (en) * | 2019-02-25 | 2020-09-01 | 中国石油天然气股份有限公司 | Processing method of quartz sand proppant |
| CN111618234A (en) * | 2020-06-17 | 2020-09-04 | 丹阳市丹水铸造新材有限公司 | Preparation method of heat-resistant steel sand for double flow channels |
| CN111960807A (en) * | 2020-08-24 | 2020-11-20 | 垣曲县刚玉陶粒有限责任公司 | Preparation method of medium-density ultrahigh-strength ceramsite proppant |
| CN116283239A (en) * | 2023-03-16 | 2023-06-23 | 薛丹丹 | Ceramsite propping agent and preparation method thereof |
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Application publication date: 20131218 |