CN102352237A - Preparation method of acid resistant ceramsite fracturing propping agent - Google Patents
Preparation method of acid resistant ceramsite fracturing propping agent Download PDFInfo
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- CN102352237A CN102352237A CN2011102368160A CN201110236816A CN102352237A CN 102352237 A CN102352237 A CN 102352237A CN 2011102368160 A CN2011102368160 A CN 2011102368160A CN 201110236816 A CN201110236816 A CN 201110236816A CN 102352237 A CN102352237 A CN 102352237A
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Abstract
The invention discloses a preparation method of a acid resistant ceramsite fracturing propping agent. Raw materials contain: by weight, 70-90% of alumina, 0.1-10% of a phosphor compound and 0-30% of a sintering agent, wherein the sum of the mass percentage of the raw materials is 100% and the sintering agent contains one or more compounds selected from barium, calcium, magnesium and boron. The preparation method provided by the invention comprises the following steps of: putting the raw materials into a ball milling device and carrying out ball milling for 12-48 hours; drying the obtained slurry at the temperature of 60-120 DEG C for 3-12 hours; preparing the obtained raw material into a spherical granular green compact by a molding technology; sintering the obtained granular green compact in a Si-Mo furnace at the temperature of 1400-1600 DEG C, keeping warm for 0.5-3 hours, and cooling with the furnace temperature. Tested according to the SY/T5108-2006 recommended method, the acid solubility of the finished product is less than 2% and greater than 0.5%, which reaches the standard requirement in the industry (the allowable value of the acid solubility is less than or equal to 5%). The preparation method provided by the invention requires general industrial equipment and simple process, and is beneficial to industrial production.
Description
Technical field
The present invention relates to a kind of preparation method of acidproof ceramic fracturing propping agent.
Background technology
Fracturing propping agents are a kind of proprietary materials of oil gas fracturing technique, are used for supporting rock seam, for the circulation of hydrocarbon flow provides the passage of hypertonicity, keep high flow conductivity, thus improve oil and gas production, prolong the oil gas well the length of service, reduce the oil recovery pneumatolytic this.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 that is pressed into the rock seam is wanted to bear various erosion medium resistance in the ground environment, in order to avoid the cracked obstruction pressure break passage in back that is corroded stops oil gas to flow out.Aspect the acid resistance of propping agent, all exist same problem-acid resistance poor both at home and abroad.Present domestic most propping agent manufacturer is a main raw material with bauxitic clay or using industrial solid waste, and the propping agent acid solubility that cooperates other inorganic materials to produce is higher, is difficult to satisfy the requirement of oil-gas mining, influences the output of oil-gas field.The quality of U.S. Carbo company propping agent has been represented international most advanced level, but the acid solubility of its HSP product also can only reach 3.5%.Therefore, the acid resistance of raising propping agent is the matter of utmost importance that the oil and gas exploitation industry must solve.
Summary of the invention
The purpose of invention is exactly to the general higher present situation of domestic and international propping agent acid solubility, and a kind of preparation method of acid-resistant pressing crack supporting agent is provided.Adopt industrial raw material, through adding the compound of phosphorus, the acidproof ceramic fracturing propping agent of preparation acid solubility between 0.5-2%.
Concrete steps are:
(1) raw materials quality per-cent is: the compound 0.1-10% of aluminum oxide 70-90%, phosphorus and sintering agent 0-30%; The mass percent sum of raw material is 100%, sintering agent be barium, calcium, magnesium and boron compound one or more;
(2) step (1) raw material being put into ball mill device carried out ball mill mixing 12-48 hour;
(3) step (2) gained slurry was dried 3-12 hour under 60 ℃ of-120 ℃ of temperature;
(4) with step (3) gained raw material through moulding process, process the form of spherical particles green compact;
(5) with step (4) gained particulate green 1400 ℃ of-1600 ℃ of sintering in silicon molybdenum stove, be incubated 0.5-3 hour, promptly with the furnace temperature cooling.
According to the SY/T5108-2006 recommend method finished product is tested, acid solubility reaches the requirement (permissible value of acid solubility≤5%) of industry standard between 0.5-2%.
The present invention adopts general industry equipment, and technology is simple, help suitability for industrialized production.
Embodiment
Embodiment 1:
(1) prepares burden according to mass percent: α-Al
2O
3Powder 86%, calcium phosphate 2%, barium carbonate 6%, lime carbonate 6%;
(2) step (1) gained material was put into the ball mill device ball mill mixing 24 hours;
(3) step (2) gained slurry was dried 5 hours under 100 ℃ of temperature;
(4) with step (3) gained raw material through moulding process, process the form of spherical particles green compact;
(5) with step (4) gained particulate green 1 hour sintering of 1450 ℃ of insulations in silicon molybdenum stove, cool off with furnace temperature.
The acid solubility of products obtained therefrom is 1.8%.
Embodiment 2:
(1) raw materials quality per-cent is: α-Al
2O
3Powder 86%, tripoly phosphate sodium STPP 4%, barium carbonate 4%, calcium oxide 6%;
(2) step (1) raw material is put into ball mill device and carried out ball milling 24 hours;
(3) step (2) gained slurry was dried 5 hours under 100 ℃ of temperature;
(4) with step (3) gained material through moulding process, process the form of spherical particles green compact;
(5) with step (4) gained particulate green 1 hour sintering of 1470 ℃ of insulations in silicon molybdenum stove, cool off with furnace temperature.
The acid solubility of products obtained therefrom is 0.6%.
Claims (1)
1. the preparation method of a ceramic fracturing propping agent is characterized in that concrete steps are:
(1) raw materials quality per-cent is: the compound 0.1-10% of aluminum oxide 70-90%, phosphorus and sintering agent 0-30%; The mass percent sum of raw material is 100%, sintering agent be barium, calcium, magnesium and boron compound one or more;
(2) step (1) raw material being put into ball mill device carried out ball mill mixing 12-48 hour;
(3) step (2) gained slurry was dried 3-12 hour under 60 ℃ of-120 ℃ of temperature;
(4) with step (3) gained raw material through moulding process, process the form of spherical particles green compact;
(5) with step (4) gained particulate green 1400 ℃ of-1600 ℃ of sintering in silicon molybdenum stove, be incubated 0.5-3 hour, promptly with the furnace temperature cooling.
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CN 201110236816 CN102352237B (en) | 2011-08-16 | 2011-08-16 | Preparation method of acid resistant ceramsite fracturing propping agent |
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CN 201110236816 CN102352237B (en) | 2011-08-16 | 2011-08-16 | Preparation method of acid resistant ceramsite fracturing propping agent |
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CN102352237A true CN102352237A (en) | 2012-02-15 |
CN102352237B CN102352237B (en) | 2013-09-18 |
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Cited By (3)
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 |
CN103289673A (en) * | 2013-05-24 | 2013-09-11 | 贵州聚能达石油压裂支撑剂有限公司 | High-density and high-strength ceramic proppant and preparation method thereof |
CN104291856A (en) * | 2014-09-29 | 2015-01-21 | 陕西科技大学 | Potassium tripolyphosphate surface co-sintered light ceramsite and preparation method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101906297A (en) * | 2010-08-02 | 2010-12-08 | 中国地质大学(武汉) | Method for preparing film-coated ceramisite proppant by using oil shale wastes |
CN102093878A (en) * | 2011-01-11 | 2011-06-15 | 桂林理工大学 | Calcium aluminate acidproof ceramic fracturing propping agent and preparation method thereof |
-
2011
- 2011-08-16 CN CN 201110236816 patent/CN102352237B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101906297A (en) * | 2010-08-02 | 2010-12-08 | 中国地质大学(武汉) | Method for preparing film-coated ceramisite proppant by using oil shale wastes |
CN102093878A (en) * | 2011-01-11 | 2011-06-15 | 桂林理工大学 | Calcium aluminate acidproof ceramic fracturing propping agent and preparation method thereof |
Cited By (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 |
CN103289673A (en) * | 2013-05-24 | 2013-09-11 | 贵州聚能达石油压裂支撑剂有限公司 | High-density and high-strength ceramic proppant and preparation method thereof |
CN103289673B (en) * | 2013-05-24 | 2015-05-20 | 贵州聚能达石油压裂支撑剂有限公司 | High-density and high-strength ceramic proppant and preparation method thereof |
CN104291856A (en) * | 2014-09-29 | 2015-01-21 | 陕西科技大学 | Potassium tripolyphosphate surface co-sintered light ceramsite and preparation method thereof |
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Effective date of registration: 20201125 Address after: No.146 Xinqiao Middle Road, Xinqiao Town, Jingjiang City, Taizhou City, Jiangsu Province Patentee after: JIANGSU SHIXINJIE PUMP Co.,Ltd. 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 |