CN100535078C - Method for preparing acid-resistant pressing crack supporting agent - Google Patents
Method for preparing acid-resistant pressing crack supporting agent Download PDFInfo
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- CN100535078C CN100535078C CNB2007101680572A CN200710168057A CN100535078C CN 100535078 C CN100535078 C CN 100535078C CN B2007101680572 A CNB2007101680572 A CN B2007101680572A CN 200710168057 A CN200710168057 A CN 200710168057A CN 100535078 C CN100535078 C CN 100535078C
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Abstract
The invention discloses a preparation method for acid fracturing resistant supporting agent, the raw material of which contains 60-85 percent by mass of alumina bauxite or refractory material waste material, 5-30 percent by mass of clay, 5-20 percent by mass of baric compound or witherite, 0-10 percent by mass of sintering agent; sintering agent is one or more of Fe2O3, TiO2, borax and magnetite, the specific procedure of the method is as follows: (1) the raw material is added into a ball mill device in proportion to ball mill; (2) the material from the step (1) can be granulated into partly finished particles; (3) the partly finished particles from the step (2) is sintered at 1300 DEG C-1400 DEG C for 1-3h, followed by free cooling to room temperature to get fracturing supporting agent with good acid resistance. The invention is based on present situation of commonly using alumina bauxite and high aluminum waste as main material in internal supporting agent production industry, which greatly improves the acid resistance of finished fracturing supporting agent through adding baric compound or witherite into the raw material to improve the batching.
Description
Technical field
The present invention relates to a kind of preparation method of acid-resistant pressing crack supporting agent.
Background technology
Fracturing propping agents are the important proprietary materials of oil, gas industry.Acid resistance is very important indexs of fracturing propping agents, and to fracturing effect, the flow conductivity of persistence that fracturing propping agents use and oil, gas has significant effects.Many industrial waste such as the high alumina refractories waste materials with bauxitic clay or high alumina of the fracturing propping agents that China produces are main raw material, and this type of raw material is Al
2O
3Porous ore structure, the fracturing propping agents acid resistance of producing is generally relatively poor, therefore the oil and gas industry standard SY/T5108-2006 that implemented on January 1st, 2007 decreases to the acid resistance of fracturing propping agents, but the sour solubility of domestic propping agent does not still generally reach this standard-required.
Summary of the invention
The objective of the invention is by improving batching, to improve the acid resistance of propping agent at the general higher present situation of the acid solubility of present homemade fracturing propping agents.
Raw materials quality per-cent of the present invention is: Al
2O
3The quality percentage composition is greater than 55% bauxitic clay or refractory waste 60-85%, clay 5-30%, barium carbonate 5-20%, TiO
20-10%.TiO
2Be sintering agent.
Concrete steps are:
(1) raw material is put into ball mill device by ratio of components and carry out ball milling;
(2) (1) step gained material is prepared into the work in-process particle through granulation;
(3) (2) step gained work in-process particle was carried out sintering 1-3 hour at 1300 ℃-1400 ℃, naturally cool to room temperature and can obtain the good fracturing propping agents of acid resistance.
According to testing by the SY/T5108-2006 recommend method, finished acid solubleness of the present invention has reached the requirement of industry standard between 3.0%-6.0%.
It is the present situation of main raw material with bauxitic clay and high aluminium waste generally that the present invention is based on domestic propping agent production industry, has particularly added barium carbonate by the improvement batching in raw material and has made the acid resistance of fracturing propping agents finished product improve greatly.
Embodiment
Embodiment 1:
(1) raw materials quality per-cent is: refractory waste (taking from wuhan iron ﹠ steel croup co.) 75%, clay (picking up from Zhanjiang, Guangdong) 14%, titanium dioxide (chemical pure) 2%, barium carbonate (chemical pure) 9%; The chemical ingredients of refractory waste and clay is seen subordinate list 1 and subordinate list 2 respectively;
(2) raw material is put into ball mill device by ratio of components and carried out ball milling 24 hours;
(3) (2) step gained material is prepared into the work in-process particle through granulation;
(4) with (3) step gained work in-process particle in cabinet-type electric furnace 1350 ℃ carried out sintering 2 hours, naturally cool to room temperature and can obtain the good fracturing propping agents of acid resistance.
It is 8/16 purpose finished product that sieve is got a certain amount of particle size range, test by the SY/T5108-2006 recommend method, recording this finished acid solubleness is 4.4%, and antiacid dissolubility can reach the SY/T5108-2006 standard-required, is better than the market product of the same particle size range of being tested.
We are qualitative relatively finished product of the present invention and market producer product up to standard (8/16 order in the laboratory, percentage of damage is 10.8% under the 69Mpa locking pressure) anti-breaking capacity: the finished product of the present invention of equal in quality, same particle size scope and this producer's product are put into ball grinder, on ball mill with alumina ball polishing (impacting).The result shows that the anti-breaking capacity of finished product of the present invention is better than this producer's product.
Embodiment 2:
(1) raw materials quality per-cent is refractory waste (taking from wuhan iron ﹠ steel croup co.) 60%, clay (picking up from Zhanjiang, Guangdong) 26%, barium carbonate (chemical pure) 14%; The chemical ingredients of refractory waste and clay is seen subordinate list 1 and subordinate list 2 respectively;
(2) raw material is put into ball mill device by ratio of components and carried out ball milling 24 hours;
(3) (2) step gained raw material is prepared into the work in-process particle through granulation;
(4) with (3) step gained work in-process particle in cabinet-type electric furnace 1350 ℃ carried out sintering 2 hours, naturally cool to room temperature and can obtain the good fracturing propping agents of acid resistance.
Sieve is got the finished product that a certain amount of particle size range is 0.85-1.18mm (16/20 order), test by the SY/T5108-2006 recommend method, recording this finished acid solubleness is 4.6%, and antiacid dissolubility can reach the SY/T5108-2006 standard-required, is better than the market product of the same particle size range of being tested.
We are qualitative relatively finished product of the present invention and market producer product up to standard (8/16 order in the laboratory, percentage of damage is 10.8% under the 69Mpa locking pressure) anti-breaking capacity: the finished product of the present invention of equal in quality, same particle size scope and this producer's product are put into ball grinder, on ball mill with alumina ball polishing (impacting).The result shows that the anti-breaking capacity of finished product of the present invention is better than this producer's product.
The chemical constitution (mass percent) of subordinate list 1 wuhan iron ﹠ steel croup co. refractory waste
| Al 2O 3 | SiO 2 | Fe 2O 3 | TiO 2 | CaO | MgO |
| 80.96 | 12.28 | 2.96 | 2.93 | 0.61 | 0.30 |
The chemical constitution (mass percent) of Zhanjiang, subordinate list 2 Guangdong clay
| SiO 2 | Al 2O 3 | TiO 2 | Fe 2O 3 | MgO | CaO | K 2O | Na 2O | Burn vector |
| 55.15 | 36.11 | 0.25 | 0.43 | 0.14 | 0.36 | 0.35 | 0.27 | 6.79 |
Claims (1)
1, a kind of preparation method of acid-resistant pressing crack supporting agent is characterized in that raw materials quality per-cent is: Al
2O
3The quality percentage composition is greater than 55% bauxitic clay or refractory waste 60-85%, clay 5-30%, barium carbonate 5-20%, sintering agent 0-10%; Sintering agent is TiO
2
Concrete steps are:
(1) raw material is put into ball mill device by ratio of components and carry out ball milling;
(2) (1) step gained material is prepared into the work in-process particle through granulation;
(3) (2) step gained work in-process particle was carried out sintering 1-3 hour at 1300 ℃-1400 ℃, naturally cool to room temperature and can obtain the good fracturing propping agents of acid resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101680572A CN100535078C (en) | 2007-10-30 | 2007-10-30 | Method for preparing acid-resistant pressing crack supporting agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101680572A CN100535078C (en) | 2007-10-30 | 2007-10-30 | Method for preparing acid-resistant pressing crack supporting agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101144010A CN101144010A (en) | 2008-03-19 |
| CN100535078C true CN100535078C (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101680572A Expired - Fee Related CN100535078C (en) | 2007-10-30 | 2007-10-30 | Method for preparing acid-resistant pressing crack supporting agent |
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| Country | Link |
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| CN (1) | CN100535078C (en) |
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 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575503B (en) * | 2009-06-11 | 2011-08-31 | 邹平金刚新材料有限公司 | High-strength fracturing propping agent for petroleum 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 |
| CN101717628B (en) * | 2009-11-20 | 2013-02-20 | 三门峡方圆实业股份有限公司 | Low-density ceramsite propping agent and preparation method thereof |
| CN101811873A (en) * | 2010-04-08 | 2010-08-25 | 桂林理工大学 | Method for preparing silicon-free or low-silicon acidproof ceramic fracturing propping agent |
| 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 |
| 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 |
-
2007
- 2007-10-30 CN CNB2007101680572A patent/CN100535078C/en not_active Expired - Fee Related
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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| Publication number | Publication date |
|---|---|
| CN101144010A (en) | 2008-03-19 |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 541004 Guilin city of Guangxi Road No. 12 building of Guilin University of Technology Patentee after: Guilin University of Technology Address before: 541004 Guilin city of the Guangxi Zhuang Autonomous Region Road No. 12 building of Guilin University of Technology Patentee before: Guilin University of Technology |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: China Ceramic Proppant (Guizhou) Ltd. Assignor: Guilin University of Technology Contract record no.: 2012520000011 Denomination of invention: Method for preparing acid-resistant pressing crack supporting agent Granted publication date: 20090902 License type: Exclusive License Open date: 20080319 Record date: 20120713 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20171030 |