CN105236940A - Method for preparing acid resistance ceramsite fracturing propping agent by using rare earth compound - Google Patents
Method for preparing acid resistance ceramsite fracturing propping agent by using rare earth compound Download PDFInfo
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- CN105236940A CN105236940A CN201510577750.XA CN201510577750A CN105236940A CN 105236940 A CN105236940 A CN 105236940A CN 201510577750 A CN201510577750 A CN 201510577750A CN 105236940 A CN105236940 A CN 105236940A
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- yttrium
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Abstract
The present invention discloses a method for preparing an acid resistance ceramsite fracturing propping agent by using a rare earth compound. The method comprises: (1) preparing raw materials, wherein the raw materials comprise, by mass, 69-99% of Al2O3, 0.01-10% of a rare earth compound, and 0.1-30% of a composite additive; (2) carrying out wet ball milling on the prepared materials for 5-96 h, and uniformly mixing, wherein a ratio of water to the total mass of the raw materials is 1:3-3:1; (3) drying the obtained material at a temperature of 100-130 DEG C, and performing a molding process to prepare spherical particle green body; and (4) sintering the spherical particle green body obtained in the step (3) at a temperature of 1000-1500 DEG C, carrying out thermal insulation for 0.5-3 h, and naturally cooling to a room temperature so as to obtain the acid resistance ceramsite fracturing propping agent having good acid resistance performance. According to the present invention, the general industrial equipment is used, the process is simple, and the industrial production is easily achieved; and the prepared product has the low sintering temperature, and the high temperature energy consumption and the product cost in the high aluminum ceramic production can be significantly reduced.
Description
Technical field
The present invention relates to a kind of method utilizing rare earth compound to prepare kind of acidproof ceramic fracturing propping agent.
Background technology
Fracturing propping agents are oil gas fracturing technique one proprietary materials, and be used for supporting rock seam, the circulation for hydrocarbon flow provides the passage of hypertonicity, keeps high flow conductivity, thus improve oil and gas production, the length of service of prolongation Oil/gas Well, reduction christmas cost.The quality of fracturing propping agents quality is the key that can oil-gas mining succeed, and wherein acid resistance is one of important indicator.The propping agent of press-in rock seam is wanted to bear various erosion medium resistance in ground environment, in order to avoid cracked blocking pressure break passage after being corroded, stops gas and oil to flow out.At the aspect of performance of fracturing propping agents, all there is same problem both at home and abroad---acid resistance is poor.
Current domestic most propping agent manufacturer is with bauxitic clay or using industrial solid waste for main raw material, and the fracturing propping agents acid solubility coordinating other inorganic materials to produce is higher, is difficult to the requirement meeting oil-gas mining, affects the output of oil-gas field.The quality of Carbo company of U.S. fracturing propping agents represents international most advanced level, but the acid solubility of its HSP product also can only reach 3.5%.Therefore, the matter of utmost importance that the acid resistance improving fracturing propping agents is oil, Natural gas extraction industry must solve.
Summary of the invention
The object of the invention is to provide a kind of method preparing acidproof ceramic fracturing propping agent for above-mentioned existing problems.The method raw material is extensive, and manufacture is simple, and the fracturing propping agents acid resistance prepared is good.
Concrete steps are:
(1) feed components mass percent is: Al
2o
369-99%, rare earth compound 0.01-10%, composite additive 0.1-30%, each constituent mass per-cent sum is 100%.
(2) the material wet ball grinding 5-96 hour step (1) prepared, water and raw material total mass ratio are 1:3-3:1, are mixed.
(3) by step (2) gained material 100 DEG C-130 DEG C oven dry, through moulding process, make form of spherical particles green compact.
(4) sintered at 1000 DEG C-1500 DEG C by step (3) gained form of spherical particles green compact, insulation 0.5-3 hour, naturally cools to room temperature, namely obtains the good acidproof ceramic fracturing propping agent of acid resistance.
Described rare earth compound is one or more in the compound of scandium, yttrium and lanthanum.
Described composite additive is one or more in the compound of calcium, magnesium and silicon or mineral.
The compound of described rare earth scandium is the one in Scium trioxide, scandium carbonate, Scium trinitrate, oxalic acid scandium, scandium phosphate and scandium hydroxide.
The compound of described rare-earth yttrium is the one in yttrium oxide, yttrium carbonate, Yttrium trinitrate, yttrium oxalate, yttrium phosphate and yttrium hydroxide.
The compound of described Rare Earth Lanthanum is the one in lanthanum trioxide, Phosbloc, lanthanum nitrate, lanthanum oxalate, lanthanum orthophosphate and lanthanum hydroxide.
The compound of described calcium is the compound that the mass percent 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 percent of silicon oxide is greater than 35%, and siliceous mineral are the one in kaolin, diopside, montmorillonite, pyrophyllite, talcum and serpentine.
The compound of described magnesium is the compound that magnesian mass percent is greater than 45%, and the mineral containing magnesium are the one of brucite, magnesite and rhombspar.
According to SY/T5108-2006 recommend method, finished product is tested, acid solubility <0.5%, reach the requirement (permissible value≤5% of acid solubility) of industry standard.
The present invention adopts general industry equipment, and technique is simple, be conducive to suitability for industrialized production; The product sintering temperature of preparation is low, and acid resistance is good.
Main characteristics of the present invention be by add rare earth compound (rare earth compound be scandium, yttrium and lanthanum compound one or more) and composite additive (compound of calcium, magnesium and silicon or mineral), adopt general industry equipment, successfully have developed the ceramic fracturing propping agent that acid resistance is good.Abundant raw material source, preparation technology be simple, be easy to suitability for industrialized production.
Embodiment
embodiment:
(1) 90%Al is got by mass percentage
2o
3, 3% kaolin, the calcite of 2%, the rhombspar of 2% and 3% Sc
2o
3mix.
(2) material wet ball grinding step (1) prepared 6 hours, water and raw material total mass ratio are 3:1, are mixed.
(3) by step (2) gained material 110 DEG C of oven dry, through isostatic pressing process, make form of spherical particles green compact.
(4) step (3) gained form of spherical particles green compact are sintered at 1350 DEG C, be incubated 100 minutes, naturally cool to room temperature, namely obtain the good acidproof ceramic fracturing propping agent of acid resistance.
Test obtained acidproof ceramic fracturing propping agent according to SY/T5108-2006 recommend method, acid solubility is 0.309%.
Claims (1)
1. utilize rare earth compound to prepare a method for kind of acidproof ceramic fracturing propping agent, it is characterized in that concrete steps are:
(1) feed components mass percent is: Al
2o
369-99%, rare earth compound 0.01-10%, composite additive 0.1-30%, each constituent mass per-cent sum is 100%;
(2) the material wet ball grinding 5-96 hour step (1) prepared, water and raw material total mass ratio are 1:3-3:1, are mixed;
(3) by step (2) gained material 100 DEG C-130 DEG C oven dry, through moulding process, make form of spherical particles green compact;
(4) sintered at 1000 DEG C-1500 DEG C by step (3) gained form of spherical particles green compact, insulation 0.5-3 hour, naturally cools to room temperature, namely obtains acidproof ceramic fracturing propping agent;
Described rare earth compound is one or more in the compound of scandium, yttrium and lanthanum;
Described composite additive is one or more in the compound of calcium, magnesium and silicon or mineral;
The compound of described rare earth scandium is the one in Scium trioxide, scandium carbonate, Scium trinitrate, oxalic acid scandium, scandium phosphate and scandium hydroxide;
The compound of described rare-earth yttrium is the one in yttrium oxide, yttrium carbonate, Yttrium trinitrate, yttrium oxalate, yttrium phosphate and yttrium hydroxide;
The compound of described Rare Earth Lanthanum is the one in lanthanum trioxide, Phosbloc, lanthanum nitrate, lanthanum oxalate, lanthanum orthophosphate and lanthanum hydroxide;
The compound of described calcium is the compound that the mass percent 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 percent of silicon oxide is greater than 35%, and siliceous mineral are the one in kaolin, diopside, montmorillonite, pyrophyllite, talcum and serpentine;
The compound of described magnesium is the compound that magnesian mass percent is greater than 45%, and the mineral containing magnesium are the one of brucite, magnesite and rhombspar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510577750.XA CN105236940A (en) | 2015-09-11 | 2015-09-11 | Method for preparing acid resistance ceramsite fracturing propping agent by using rare earth compound |
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| CN201510577750.XA CN105236940A (en) | 2015-09-11 | 2015-09-11 | Method for preparing acid resistance ceramsite fracturing propping agent by using rare earth compound |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN117229039A (en) * | 2023-11-13 | 2023-12-15 | 天津包钢稀土研究院有限责任公司 | Preparation method of rare earth carbonate fly ash ceramsite with high barrel pressure strength |
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| CN102659393A (en) * | 2012-05-27 | 2012-09-12 | 桂林理工大学 | Preparation method of medium- and low-density fracturing propping agent with fine acid resistance |
| 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 |
| CN103992785A (en) * | 2014-04-02 | 2014-08-20 | 贵州鑫益能陶粒支撑剂有限公司 | Ceramsite support agent composition, and ceramsite support agent, preparation method and application 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 |
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2015
- 2015-09-11 CN CN201510577750.XA patent/CN105236940A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659393A (en) * | 2012-05-27 | 2012-09-12 | 桂林理工大学 | Preparation method of medium- and low-density fracturing propping agent with fine acid resistance |
| 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 |
| CN103992785A (en) * | 2014-04-02 | 2014-08-20 | 贵州鑫益能陶粒支撑剂有限公司 | Ceramsite support agent composition, and ceramsite support agent, preparation method and application 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 |
|---|---|---|---|---|
| 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 |
| CN117229039A (en) * | 2023-11-13 | 2023-12-15 | 天津包钢稀土研究院有限责任公司 | Preparation method of rare earth carbonate fly ash ceramsite with high barrel pressure strength |
| CN117229039B (en) * | 2023-11-13 | 2024-01-23 | 天津包钢稀土研究院有限责任公司 | Preparation method of rare earth carbonate fly ash ceramsite with high barrel pressure strength |
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Application publication date: 20160113 |