CN104987049A - Preparation method of acid-resisting alumina based ceramsite fracturing propping agent - Google Patents
Preparation method of acid-resisting alumina based ceramsite fracturing propping agent Download PDFInfo
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- CN104987049A CN104987049A CN201510500065.7A CN201510500065A CN104987049A CN 104987049 A CN104987049 A CN 104987049A CN 201510500065 A CN201510500065 A CN 201510500065A CN 104987049 A CN104987049 A CN 104987049A
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- ytterbium
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Abstract
The invention discloses a preparation method of an acid-resisting alumina based ceramsite fracturing propping agent. The method comprises the following steps that 1, the agent comprises, by mass, 83-99% of aluminium oxide, 0.01-10% of compound of rare earth ytterbium and 0.1-15% of composite additives, the sum of the mass percent of raw materials is 100%, and the compounds or minerals of calcium, magnesium and silicon serve as the composite additives; 2, the materials prepared in the step 1 are placed into a ball mill device for conducting ball milling for 15-50 hours; 3, after pulp obtained in the step 2 is dried, the dried pulp is subjected to prilling for manufacturing green bodies; 4, the green bodies obtained in the step 3 are sintered at the temperature ranging from 1000 to 1500 DEG C, and the green bodies are subjected to thermal insulation from 0.5 to 2 hours and cooled to indoor temperature. According to the standard SY/T5108-2006, a test is conducted on a finished product, the acid solubility can be as low as 0.345%, and the industrial standard (<=5.0%) is achieved. According to the preparation method, the sources of raw materials are wide, ordinary industrial equipment is adopted, the process is simple, the industrial production is facilitated, and the prepared ceramsite propping agent is good in acid resistance.
Description
Technical field
The present invention relates to a kind of preparation method of acidproof alumina base ceramic fracturing propping agent.
Background technology
Hydraulic fracturing technology is one of important technology improving Oil & Gas Productivity in petroleum industry, and the exploitation of oil gas pressure break is the important technology safeguarding oil-gas field volume increase, stable yields, and the exploitation for low permeability and ultra-deep hydrocarbon-bearing pool is particularly important.
Mostly the fracturing propping agents of domestic current production are to take bauxitic clay as main raw material, add some auxiliary materials prepare in, low grade products, intensity and acid resistance all cannot meet deep-seated oil gas well exploitation processing requirement.High-grade ceramsite propping agent prepared by the external main alundum that adopts, the domestic mature technology still not preparing high-grade propping agent at present, high-grade propping agent for the exploitation of deep-seated oil gas well depends on imported from America, and prices are rather stiff, and cost is no more than 1/3 of this price.
Propping agent, in the underground activities of deep layer, bear the various corrosion in stratum, so propping agent will have good acid resistance.Acid resistance is the important indicator of fracturing propping agents, has the fracturing propping agents of good acid resistance can work long hours under the sour environment in underground rock seam, and keeps high flow conductivity, thus can improve oil, gas well yield.The acid resistance of petroleum fracturing propping agent is a more inaccessible index, and China once lowered the requirement because national product does not all reach original standard, and acid resistance problem is a technical barrier of current propping agent industry.Therefore, the ceramsite propping agent preparing acid resistance excellence is extremely urgent.
Summary of the invention
The object of the invention is to provide a kind of method preparing the ceramsite propping agent of acid resistance excellence for above-mentioned Problems existing.
Concrete steps are:
(1) feed components mass percentage content is: aluminum oxide: 83-99%, the compound 0.01-10% of rare earth ytterbium, composite additive 0.1-15%, and the mass percent sum of raw material is 100%, and composite additive is compound or the mineral of calcium, magnesium and silicon.
(2) material that step (1) prepares is put into ball mill device ball milling 15-50 hour.
(3), after slurry step (2) obtained is dried, green compact are made in granulation.
(4) by step (3) gained green compact at 1000-1500 DEG C of sintering, insulation 0.5-2 hour, be cooled to room temperature.
(5) by standard: SY/T5108-2006 pair finished product carries out acid solubility test.
The compound of described rare earth ytterbium is the one in ytterbium oxide, ytterbium carbonate, ytterbium nitrate, ytterbium oxalate, ytterbium orthophosphate and ytterbium hydroxide.
The compound of described calcium is the compound that the mass percentage content of calcium oxide is greater than 45%, and the mineral of calcic are the one in limestone, aragonite, lime feldspar, calcite, rhombspar and chalk rock.
The compound of described silicon is the compound that the mass percentage content of silicon oxide is greater than 35%, and siliceous mineral are the one in kaolin, diopside, montmorillonite, agalmatolite, talcum and serpentine.
The compound of described magnesium is the compound that magnesian mass percentage content is greater than 45%, and the mineral containing magnesium are the one in brucite, magnesite and rhombspar.
Raw material of the present invention is extensive, adopts general industry equipment, and technique is simple, and be convenient to suitability for industrialized production, the ceramsite propping agent acid resistance prepared is good.
Embodiment
Embodiment 1:
(1) feed components mass percentage content is: aluminum oxide: 89.99%, kaolin 3.33%, calcite 3.33%, rhombspar 3.34% and ytterbium oxide (Yb
2o
3) 0.01%.
(2) material that step (1) prepares is put into ball mill device ball milling 20 hours.
(3), after slurry step (2) obtained is dried, green compact are made in granulation.
(4) by step (3) gained green compact at 1350 DEG C of sintering, be incubated 1 hour, be cooled to room temperature and obtain ceramic fracturing propping agent.
(5) by standard: SY/T5108-2006 pair propping agent carries out acid solubility test, acid solubility is 0.501%.
Embodiment 2:
(1) feed components mass percentage content is: aluminum oxide: 85%, kaolin 3.33%, calcite 3.33%, rhombspar 3.34% and ytterbium oxide (Yb
2o
3) 5%.
(2) material that step (1) prepares is put into ball mill device ball milling 30 hours.
(3), after slurry step (2) obtained is dried, green compact are made in granulation.
(4) by step (3) gained green compact at 1375 DEG C of sintering, be incubated 1.5 hours, be cooled to room temperature and obtain ceramic fracturing propping agent.
(5) by standard: SY/T5108-2006 pair propping agent carries out acid solubility test, acid solubility is 0.345%.
Claims (1)
1. a preparation method for acidproof alumina base ceramic fracturing propping agent, is characterized in that concrete steps are:
(1) feed components mass percentage content is: aluminum oxide: 83-99%, the compound 0.01-10% of rare earth ytterbium, composite additive 0.1-15%, and the mass percent sum of raw material is 100%, and composite additive is compound or the mineral of calcium, magnesium and silicon;
(2) material that step (1) prepares is put into ball mill device ball milling 15-50 hour;
(3), after slurry step (2) obtained is dried, green compact are made in granulation;
(4) by step (3) gained green compact at 1000-1500 DEG C of sintering, insulation 0.5-2 hour, be cooled to room temperature;
The compound of described rare earth ytterbium is the one in ytterbium oxide, ytterbium carbonate, ytterbium nitrate, ytterbium oxalate, ytterbium orthophosphate and ytterbium hydroxide;
The compound of described calcium is the compound that the mass percentage content of calcium oxide is greater than 45%, and the mineral of calcic are the one in limestone, aragonite, lime feldspar, calcite, rhombspar and chalk rock;
The compound of described silicon is the compound that the mass percentage content of silicon oxide is greater than 35%, and siliceous mineral are the one in kaolin, diopside, montmorillonite, agalmatolite, talcum and serpentine;
The compound of described magnesium is the compound that magnesian mass percentage content is greater than 45%, and the mineral containing magnesium are the one in brucite, magnesite and rhombspar.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510500065.7A CN104987049A (en) | 2015-08-16 | 2015-08-16 | Preparation method of acid-resisting alumina based ceramsite fracturing propping agent |
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| CN201510500065.7A CN104987049A (en) | 2015-08-16 | 2015-08-16 | Preparation method of acid-resisting alumina based ceramsite fracturing propping agent |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733551A (en) * | 2016-01-29 | 2016-07-06 | 红安县生伦冶金矿产科技实业有限公司 | Preparation method of environment-friendly energy-saving petroleum fracturing proppant |
| CN105837183A (en) * | 2016-03-24 | 2016-08-10 | 桂林理工大学 | Preparation method of ceramsite fracturing propping agent with excellent acid resistance |
| CN106747347A (en) * | 2016-11-22 | 2017-05-31 | 桂林理工大学 | A kind of preparation method of acidproof alumina base ceramic fracturing propping agent |
| CN106830903A (en) * | 2017-03-06 | 2017-06-13 | 桂林理工大学 | A kind of preparation method of acidproof alumina base ceramic fracturing propping agent |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1686924A (en) * | 2005-04-22 | 2005-10-26 | 关昌烈 | Method for preparing proppant in high intensity |
| CN103214259A (en) * | 2013-05-03 | 2013-07-24 | 桂林理工大学 | Method for preparing wear-resistant alumina ceramics by utilizing composite rare earth additives |
| CN103820101A (en) * | 2014-01-21 | 2014-05-28 | 佛山市东鹏陶瓷有限公司 | Acid-resistant petroleum fracturing propping agent and preparation method thereof |
| CN104529406A (en) * | 2014-12-19 | 2015-04-22 | 桂林理工大学 | Method for preparing wear-resisting aluminum oxide ceramic by virtue of rare earth compound |
-
2015
- 2015-08-16 CN CN201510500065.7A patent/CN104987049A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1686924A (en) * | 2005-04-22 | 2005-10-26 | 关昌烈 | Method for preparing proppant in high intensity |
| CN103214259A (en) * | 2013-05-03 | 2013-07-24 | 桂林理工大学 | Method for preparing wear-resistant alumina ceramics by utilizing composite rare earth additives |
| CN103820101A (en) * | 2014-01-21 | 2014-05-28 | 佛山市东鹏陶瓷有限公司 | Acid-resistant petroleum fracturing propping agent and preparation method thereof |
| CN104529406A (en) * | 2014-12-19 | 2015-04-22 | 桂林理工大学 | Method for preparing wear-resisting aluminum oxide ceramic by virtue of rare earth compound |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733551A (en) * | 2016-01-29 | 2016-07-06 | 红安县生伦冶金矿产科技实业有限公司 | Preparation method of environment-friendly energy-saving petroleum fracturing proppant |
| CN105733551B (en) * | 2016-01-29 | 2018-11-27 | 红安县生伦冶金矿产科技实业有限公司 | A kind of preparation method of environment-friendly and energy-efficient petroleum fracturing propping agent |
| CN105837183A (en) * | 2016-03-24 | 2016-08-10 | 桂林理工大学 | Preparation method of ceramsite fracturing propping agent with excellent acid resistance |
| CN106747347A (en) * | 2016-11-22 | 2017-05-31 | 桂林理工大学 | A kind of preparation method of acidproof alumina base ceramic fracturing propping agent |
| CN106830903A (en) * | 2017-03-06 | 2017-06-13 | 桂林理工大学 | A kind of preparation method of acidproof alumina base ceramic fracturing propping agent |
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Application publication date: 20151021 |