CN100569897C - A kind of fracturing propping agent for oil gas well and preparation method thereof - Google Patents
A kind of fracturing propping agent for oil gas well and preparation method thereof Download PDFInfo
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- CN100569897C CN100569897C CNB2008100496798A CN200810049679A CN100569897C CN 100569897 C CN100569897 C CN 100569897C CN B2008100496798 A CNB2008100496798 A CN B2008100496798A CN 200810049679 A CN200810049679 A CN 200810049679A CN 100569897 C CN100569897 C CN 100569897C
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- propping agent
- gas well
- oil gas
- fracturing propping
- ore
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Abstract
The present invention relates to a kind of fracturing propping agent for oil gas well, make: low levels bauxite ore 80-88 part, manganese ore 1-4 part, potassium felspar sand 2-3 part, solid water glass 2-4 part, calcium stone flour 1-5 part, talcum powder 1-5 part by the raw material of following weight part.Described fracturing propping agents constant product quality, anti-percentage of damage height have higher antiacid corrodibility, and volume density is lower, can support fracturing fracture effectively, greatly improve the rate of permeation in the crack, make hydrocarbon flow clear and coherent smooth, improve oil yield rate; Composition of raw materials is simple in addition, and is low to ingredient requirement, and preparation is simple.
Description
(1) technical field
The present invention relates to a kind of fracturing propping agent for oil gas well and preparation method thereof.
(2) background technology
In the fracturing technology of oil, Sweet natural gas deep mining and ultra deep well, all can use propping agent, for the circulation of hydrocarbon flow provides the passage of hypertonicity, keep high flow conductivity, improve oil, gas output.The China's oil industry generally calls high-strength pressure crack proppant to the propping agent of bearing capacity 69Mpa, 86Mpa.CN1844298 discloses a kind of super strength ceramic aggregate proppant and preparation method thereof, it is to be made by following raw material: aluminium vanadine 10-30%, bauxite 50-70%, high-iron bauxite 8-15%, clay 7-20%, manganese ore 2-5%, potassium felspar sand 0.5-2.5%, dextrin 0.1-1.2%, wherein ingredient requirement is that bauxitic clay contains Al
2O
385-90%, bauxite contains Al
2O
3: 74-77%, high-iron bauxite contains Al
2O
3: 48-52% contains Fe
2O
3: 23-27%, clay contains Al
2O
3: 32-39%, manganese ore contains MnO
2: 43-47%, potassium felspar sand contains K
2O+Na
2O:14-16%.The bearing capacity of this propping agent can reach 69Mpa, but the propping agent that obtains on the one hand can't satisfy the more requirement and the density height of High Voltage operational condition, and its composition of raw materials is numerous and diverse on the other hand, Al in the bauxitic clay that China produced simultaneously
2O
3Content is on the low side, and its preparation is produced and is not suitable for China's specific national conditions.
(3) summary of the invention
The object of the present invention is to provide a kind of fracturing propping agent for oil gas well, compressive strength height, density are little, and composition of raw materials is simple, and starting material are easy to get.
The technical solution used in the present invention is as follows:
Fracturing propping agent for oil gas well is to be made by the raw material of following weight part:
Low levels bauxite ore 80-88 part
Manganese ore 1-4 part
Potassium felspar sand 2-3 part
Solid water glass 2-4 part
Calcium stone flour 1-5 part
Talcum powder 1-5 part.
Alumina content is 60-65% in the wherein said low levels bauxite ore.
Preferably, make by the raw material of following weight part:
Low levels bauxite ore 83-85 part
Manganese ore 1-3 part
Potassium felspar sand 2-3 part
Solid water glass 2-3 part
Calcium stone flour 1-3 part
Talcum powder 2-3 part.
In the raw material of selecting for use, the Al in the low levels bauxite ore
2O
3Content is low, and the home-made bauxite ore can both satisfy substantially, and this has just reduced the purchase requirement to raw material, is fit to the low specific national conditions of China's Aluminum alumina content.Concrete, in the raw material that the present invention selects for use, the manganese content of manganese ore is 40-50%, its adding can improve the ultimate compression strength of finished product; Potassium felspar sand contains SiO
268%, Al
2O
318%, K
2O 14%, the potassium felspar sand fusing point of this composition low (1150 ± 20 ℃), and fusion is long pitch time, and the melt viscosity height helps the low-temperature sintering of propping agent; Solid water glass (Na
2O.nSiO
2N＞2.2 wherein) can strengthen the hot strength of propping agent; Calcium oxide content is 57% in the calcium stone flour; Talcum powder mainly is in order to improve the granulating ability in preparation process, to improve the circularity and the sphericity of propping agent, also to improve its flow conductivity.
The technology of preparing of fracturing propping agent for oil gas well is comparatively ripe, uses the industry ordinary method to prepare.
The present invention provides a kind of preparation method targetedly according to selected raw material:
Proportionally get each raw material, then with bauxite ore, manganese ore, potassium felspar sand, solid water glass, calcium stone flour difference abrasive dust and full mistake 325 mesh sieves, ball milling, granulation behind the thorough mixing behind the atomizing 40-60min, add talcum powder and scrape in the pelletization; Cross calcination in container behind the 6-140 mesh sieve, rise to 1330-1350 ℃ with the temperature rise rate of 63-67 ℃/h, and insulation 1.5-2.5 hour in this temperature range; Be cooled to 200-300 ℃ then, take out the back naturally cooling from container and promptly get described fracturing propping agent for oil gas well.
When wherein firing preferably the speed with 65 ℃/h rise to 1340 ℃.Concrete sintering procedure can carry out in saggar.
The size of wherein sieving, the sieve mesh of sieve depends on the finished product requirement.Be the 6-140 order generally speaking.
Concrete, can followingly carry out:
Get each raw material by weight proportion; wear into fine powder to 325 mesh sieve all-pass mistake then respectively, other raw material mixing and stirring that will be except talcum powder enter ball mill and grind altogether; drop in the rolling nodulizer and granulate; under the unidirectional uniform rotation of nodulizer, compound evenly adds in the nodulizer continuously, adds the atomizing aqueous vapor simultaneously; form round shaped grain not of uniform size to compound; stop atomizing, then, evenly add talcum powder continuously and scrape.The 6-140 mesh sieve is crossed in the back of scraping, and obtains work in-process, and work in-process are packed in the saggar, sends in the tunnel furnace, rises to 1340 ℃ with the speed of 65 ℃/h, is incubated 2 hours after kiln discharge when being cooled to 200-300 ℃, and naturally cooling promptly gets product of the present invention.
The present invention has following advantage with respect to prior art:
Fracturing propping agents constant product quality of the present invention, anti-percentage of damage height have higher antiacid corrodibility, and volume density is lower, can support fracturing fracture effectively and greatly improve rate of permeation in the crack, make hydrocarbon flow clear and coherent smooth, improve oil yield rate; Composition of raw materials is simple in addition, and is low to ingredient requirement, and preparation is simple.
(4) embodiment:
Below with specific embodiment technical scheme of the present invention is described, but protection scope of the present invention is not limited thereto:
Embodiment 1
Raw material weight is composed as follows: low levels bauxite ore (Al
2O
3Content is 60-65%) 86 parts, manganese ore (MnO
2Content 40-50%) 3 parts, potassium felspar sand (SiO
268%, Al
2O
318%, K
2O 14%) 3 parts, 3 parts of solid water glass (Na2O.3SiO2), 4 parts of calcium stone flours (CaO content 57%), talcum powder (Mg
3[Si
4O
10] (OH)
2) 2 parts.
Respectively fine powder is worn in the mineral constituent of above-mentioned weight part with ultra-fine Raymond mill, cross 325 mesh sieve all-pass mistakes respectively, stir after the mixing, enter ball milling mechanism mill, add again in the rolling nodulizer afterwards and granulate, add the atomizing aqueous vapor simultaneously, stop atomizing behind the 50min, this moment, compound formed round shaped grain not of uniform size; Evenly adding talcum powder continuously scrapes.Further rotate, cross 140 mesh sieves, obtain work in-process, work in-process are packed in the saggar, send in the tunnel furnace, rise to 1340 ℃ with the speed of 65 ℃/h, kiln discharge when being incubated 2 hours postcooling is to 200-300 ℃, naturally cooling promptly gets product of the present invention.
Compare with the fracturing propping agents that CN1844298 in the background technology obtains, every index contrast is as follows:
Above index is detected by Oil Exploration in China development research alure mill branch fracture acidizing center support agent evaluation experimental chamber.
Embodiment 2
Raw material weight is composed as follows: 88 parts of low levels bauxite ores, 4 parts of manganese ores, 3 parts of potassium felspar sands, 4 parts of solid water glass, 5 parts of calcium stone flours, 4 parts of talcum powder.
The preparation method is with embodiment 1.
Embodiment 3
Raw material weight is composed as follows: 82 parts of low levels bauxite ores, 2 parts of manganese ores, 2 parts of potassium felspar sands, 2 parts of solid water glass, 3 parts of calcium stone flours, 2 parts of talcum powder.
The preparation method is with embodiment 1.
Embodiment 4
Raw material weight is composed as follows: 84 parts of low levels bauxite ores, 3 parts of manganese ores, 2 parts of potassium felspar sands, 3 parts of solid water glass, 3 parts of calcium stone flours, 3 parts of talcum powder.
The preparation method is with embodiment 1.
Claims (4)
1. fracturing propping agent for oil gas well is characterized in that being made by the raw material of following weight part:
Low levels bauxite ore 80-88 part
Manganese ore 1-4 part
Potassium felspar sand 2-3 part
Solid water glass 2-4 part
Calcium stone flour 1-5 part
Talcum powder 1-5 part,
Alumina content is 60-65% in the described low levels bauxite ore; The manganese content of manganese ore is 40-50%; Potassium felspar sand contains SiO
268%, Al
2O
318%, K
2O 14%; Solid water glass Na
2O.nSiO
2, n＞2.2 wherein; Calcium oxide content is 57% in the calcium stone flour.
2. fracturing propping agent for oil gas well as claimed in claim 1 is characterized in that being made by the raw material of following weight part:
Low levels bauxite ore 83-85 part
Manganese ore 1-3 part
Potassium felspar sand 2-3 part
Solid water glass 2-3 part
Calcium stone flour 1-3 part
Talcum powder 2-3 part.
3. the preparation method of fracturing propping agent for oil gas well as claimed in claim 1, it is characterized in that proportionally getting each raw material, then with bauxite ore, manganese ore, potassium felspar sand, solid water glass, calcium stone flour difference abrasive dust and full mistake 325 mesh sieves, ball milling, granulation behind the thorough mixing, behind the atomizing 40-60min, add talcum powder and scrape in the pelletization; Cross calcination in container behind the 6-140 mesh sieve, rise to 1330-1350 ℃ with the temperature rise rate of 63-67 ℃/h, and insulation 1.5-2.5 hour in this temperature range; Be cooled to 200-300 ℃ then, take out the back naturally cooling from container and promptly get described fracturing propping agent for oil gas well.
4. the preparation method of fracturing propping agent for oil gas well as claimed in claim 3, the temperature rise rate with 65 ℃/h when it is characterized in that calcination rises to 1340 ℃.
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|---|---|---|---|
| CNB2008100496798A CN100569897C (en) | 2008-04-30 | 2008-04-30 | A kind of fracturing propping agent for oil gas well and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100496798A CN100569897C (en) | 2008-04-30 | 2008-04-30 | A kind of fracturing propping agent for oil gas well and preparation method thereof |
Publications (2)
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|---|---|
| CN101270280A CN101270280A (en) | 2008-09-24 |
| CN100569897C true CN100569897C (en) | 2009-12-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786921A (en) * | 2012-08-03 | 2012-11-21 | 贵州林海陶粒制造有限公司 | Low-density oil fracturing propping agent and preparation method thereof |
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| CN101560382B (en) * | 2009-06-05 | 2011-03-23 | 清镇庄子铝铁矿山 | High-strength ceramsite propping agent and preparation method thereof |
| CN101629075B (en) * | 2009-08-14 | 2012-09-05 | 陕西省轻工业研究设计院 | Oil fracturing proppant containing coal gangue |
| CN101696113B (en) * | 2009-10-23 | 2012-05-09 | 中钢集团洛阳耐火材料研究院有限公司 | Method for preparing low-density sintered ceramisite fracturing proppant with low cost |
| CN102633492B (en) * | 2012-04-19 | 2013-05-15 | 金刚新材料股份有限公司 | Production process for preparing ceramsite by using low-grade bauxite |
| CN102786922B (en) * | 2012-08-23 | 2014-02-12 | 昆明冶金研究院 | Method for preparing high-strength oil fracturing proppant by high-iron bauxite |
| CN103172354B (en) * | 2013-04-15 | 2014-04-16 | 金刚新材料股份有限公司 | Preparation method of fracturing propping agent for exploiting shale gas |
| CN103205248B (en) * | 2013-04-25 | 2016-04-13 | 鹤壁天瑞石油支撑剂有限公司 | A kind of flyash and waste ceramic petroleum fracturing propping agent and preparation method thereof |
| CN103194207B (en) * | 2013-04-25 | 2016-04-20 | 鹤壁天瑞石油支撑剂有限公司 | A kind of waste ceramic petroleum fracturing propping agent and preparation method thereof |
| CN103288428B (en) * | 2013-05-16 | 2014-07-02 | 陕西科技大学 | Method for preparing fracturing propping agent specially used for shale gas from poor bauxite |
| CN103450873A (en) * | 2013-09-23 | 2013-12-18 | 铜川恒晟科技材料有限公司 | Petroleum fracturing propping agent and preparation method thereof |
| CN103497757A (en) * | 2013-09-23 | 2014-01-08 | 铜川恒晟科技材料有限公司 | Petroleum fracturing propping agent containing fly ash in raw materials and preparation method thereof |
| CN105331355B (en) * | 2015-12-01 | 2018-05-15 | 陕西省能源化工研究院 | A kind of petroleum fracturing propping agent prepared using oil shale waste slag and preparation method thereof |
| CN105331356A (en) * | 2015-12-07 | 2016-02-17 | 新密市万力实业发展有限公司 | Ultra-high-density ultra-high-strength petroleum propping agent and preparation method thereof |
| CN116590000B (en) * | 2023-05-06 | 2024-06-25 | 郑州德赛尔陶粒有限公司 | Fracturing propping agent taking red mud as additive and preparation method thereof |
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Cited By (1)
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| CN102786921A (en) * | 2012-08-03 | 2012-11-21 | 贵州林海陶粒制造有限公司 | Low-density oil fracturing propping agent and preparation method thereof |
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|---|---|
| CN101270280A (en) | 2008-09-24 |
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