CN1367306A - Solid propping agent and its preparation method - Google Patents
Solid propping agent and its preparation method Download PDFInfo
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- CN1367306A CN1367306A CN 02112746 CN02112746A CN1367306A CN 1367306 A CN1367306 A CN 1367306A CN 02112746 CN02112746 CN 02112746 CN 02112746 A CN02112746 A CN 02112746A CN 1367306 A CN1367306 A CN 1367306A
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- propping agent
- balling
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- selid propping
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Abstract
The present invention relates to an improvement on solid supporting agent for deep-seated oil ang gas well fracture process, and is characterized by that it adopts kaoline and red mud as clay material, and increases its dose, so that on the premise of ensuring strength it can obviously reduce the apparent density of product, it not only is favorable for carrying construction of fracturing fluid, but also its volume dose is small, and can reduce use cost. Said ivnention adopts rotary kiln rolling dynamic firing process, its product can be uniformly fried, and its fried time is short.
Description
Technical field
The present invention relates to a kind of deep-seated oil, gas well fracturing technology with Selid propping agent and preparation method.
Background technology
Exploitation deep-seated oil, gas well improve output, and fracturing technology is widely adopted.For guaranteeing opening wide of underground deep layer pressure-break, the proper supporting agent is necessary, and it can strengthen the stratum flow conductivity, improves the output of oil or gas, is the important crux that fracturing technology is used quality.Sintering ceramsite is owing to the intensity height, and density is moderate, is the preferred pressure-break proppants of people, is paid much attention to always.It is primary raw material that Chinese patent 89102544 discloses a kind of poor aluminium vanadine or aluminium ore leftover bits and pieces by salic 65-75%, with soft clay and quartz is auxiliary material, mixed by 100: 15: 10, adopt the electric smelting blowing process to prepare Selid propping agent, obtain is main by mullite mutually mainly, salic 60-70%, silica 23-28%, apparent density is 2.8-3.0g/cm
3Proppant.The main deficiency of above-mentioned proppant is: the proppant apparent density that makes is higher, not only influences the fracturing fluid carrying capacity, and volume crack consumption is big, and use cost is higher relatively; Secondly, the preparation of electric smelting blowing process needs to adopt first burnt brick, puts into the electric arc furnaces fusion after the cooling again and blows ball, and energy consumption is higher, and balling-up is uncontrollable, and satisfactory product yield is low, and undesirable proppant is not suitable for reuse, wastes raw material.
93111983 of Chinese patents disclose the bauxite of a kind of salic 65-95% with 70-95%, collocation 5-30% is by the oxide and the soft clay of iron, magnesium, manganese, or zircon, soft clay and water or organic solvent auxiliary material, adopt water chestnut shape nodulizer to inhale powder rotation balling-up, after the screening sorting, put into the method that the static sintering of box alms bowl prepares proppant.The gained proppant is with α-Al
2O
3The diamond spar microstructure is a principal crystalline phase, and apparent density is still higher, is 3.4g/cm
3, semidry method is produced the turbidity height, influences flow conductivity; Secondly, the box alms bowl is piled up static sintering, and not only firing period is long, the energy consumption height, production capacity is low, it is many to take auxiliary material such as box alms bowl, kiln car, and accumulation to burn till upper and lower temperature difference big, it is poor to make product stability, quality fluctuation is big.
Above-mentioned two kinds of proppants that method makes, common defects are that the product apparent density is all higher relatively, not only influence pressure liquid and carry, and cause with volume weight big, the use cost height.Secondly, the energy consumption height, production capacity is low, and cost is big, therefore still has the place that is worth changing.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art, provide a kind of and both had higher-strength, and more low-density Selid propping agent is arranged again.
Another object of the present invention is to provide a kind of energy consumption and cost of production low, production capacity height, stay-in-grade proppant manufacture method.
The present invention's first purpose realizes that main improvement is the consumption by the reduction bauxite, and selects suitable clay material for use and improve its consumption, makes Z-prop fused ceramic guarantee to have lower apparent density under the higher-strength prerequisite.Specifically, Selid propping agent of the present invention is made up of wrought aluminium vanadine, clay material basically, it is characterized in that said wrought aluminium vanadine is 45-55% (WT%, down together), and said clay material is the kaolin of 10-30%, the red soil of 20-35% (Yixing product).The aluminium vanadine mainly promotes proppant mullite, diamond spar to generate mutually among the present invention, guarantees that the sintering proppant has higher intensity; Kaolin, red soil (Yixing product), the one, play plastic effect, help moulding, the 2nd, because it contains a certain amount of silicon, played and reduced the density effect.
The present invention is for reducing firing temperature, energy conservation, and enhancing internal construction density, with promote crystalline phase (mullite mutually, diamond spar phase) to form, also can add a small amount of for example mineralizer of 0.5-5%, mineralizer can adopt titanium, iron, the manganese metal oxide is a kind of or combination, can also can use the mineral material with the chemistry material.TiO of the present invention
2Adding also help the toughness that strengthens proppant, reduce percentage of damage, keep high flow conductivity.Described TiO
2Can adopt titanium dioxide and/or titanium dioxide raw ore.
Another purpose of the present invention realizes, mainly is to change box alms bowl static state to put to burn and be the rotary kiln dynamic sinter, thereby makes the product sintering be subjected to fire evenly, and energy conservation has a narrow range of temperature, and helps improving and stabilised quality.Specifically, Selid propping agent manufacture method of the present invention comprises raw material pulverizing, batch mixing, balling-up, sintering, it is characterized in that said sintering is the balling-up product to be put into rotary kiln dynamically burn till.For reducing the sintered products turbidity, improve flow conductivity, wet production is preferably adopted in balling-up, promptly once fills up the required moisture of balling-up when raw material is mixed; Be favourable balling-up, be preferably in batch mixing and add granulation in advance behind the water, put into the nodulizer balling-up again.
Proppant of the present invention hangs down bauxite owing to adopting, and adds the kaolin and the red soil clay of suitable a large amount, makes quartz obtain mutually increasing and has reduced density, thereby make proppant under the assurance higher-strength, and low apparent density (2.65-2.85 gram/cm is arranged
3), better solved intensity and density contradiction, not only help in the pressing crack construction fracturing fluid and carry and being pressed in the cracking seam, and the crevice volume consumption is few, can reduce use cost.The inclination rotary kiln rolls and dynamically to burn till, and goes out under enterprising, and automaticity and production capacity height double than with the energy consumption production capacity with tunnel cave; Secondly, product burns till and is subjected to fire evenly, is subjected to the fire time short, and the sintering period is obviously shortened, energy conservation, and the ton product energy consumption is economized; Besides, burn till and do not have the temperature difference substantially, product quality and good stability, and also material consumption is low, need not auxiliary material, thereby cost of production is low.Once fill up moisture during batch mixing, the wet method balling-up, the product turbidity is low, the flow conductivity height.
Below in conjunction with several specific embodiment, further specify the present invention.
The specific embodiment
Embodiment 1: get wrought aluminium vanadine 48%, kaolin 28%, red soil (Yixing product) 20%, Fe
2O
34%, titanium dioxide 0.5%.Respectively with each raw material pulverizing to 300 order fine powder, the batch mixing uniform mixing, fill up the required moisture of balling-up, mix humid soil, after granulation, put into water chestnut shape nodulizer and rotate balling-up, the screening sorting gets the particle of particle diameter 0.5-1mm, sends into rotary kiln through 1230 ℃ of 1.5 hours sintering, kiln discharge cooling sorting dedusting packing.
Example 2: get wrought aluminium vanadine 55%, kaolin 20%, red soil 22%, Fe
2O
33%, titanium dioxide 1.5%.Prepare balling-up through preceding method, send into rotary kiln through 1250 ℃ of 1.5 hours sintering.
Example 3: get wrought aluminium vanadine 52%, kaolin 18%, red soil 30%, titanium dioxide raw ore 2%, titanium dioxide 0.7%.Prepare balling-up through preceding method, send into rotary kiln through 1240 ℃ of 1.5 hours sintering.
The foregoing description burns till the back product and contains Al
2O
348-55%, Fe
2O
33.5-5.5%, SiO
229-35%, TiO
21.5-5%, colony's percentage of damage (SY/T5108-1997 detection)＜10%, bulk density 1.5-1.65 gram/cm
3, apparent density 2.65-2.85 gram/cm
3, compressive strength 52Mpa≤7%, flow conductivity 60Mpa 〉=35 μ m
2-cm, turbidity＜20 degree.
Claims (6)
1, a kind of Selid propping agent is made up of wrought aluminium vanadine, clay material basically, it is characterized in that said wrought aluminium vanadine is 45-55% (WT%, down together), and said clay material is the kaolin of 10-30%, the red soil of 20-35% (Yixing product).
2,, it is characterized in that also adding a kind of or combination mineralizer of titanium, iron, manganese metal oxide of 0.5-5% according to the described Selid propping agent of claim 1.
3,, it is characterized in that said titanium oxide is titanium dioxide and/or titanium dioxide raw ore according to the described Selid propping agent of claim 2.
4, a kind of preparation method of Selid propping agent comprises raw material pulverizing, batch mixing, balling-up, sintering, it is characterized in that said sintering is the balling-up product to be put into rotary kiln dynamically burn till.
5,, once fill up the required moisture of balling-up when it is characterized in that said batch mixing according to the preparation method of the described Selid propping agent of claim 4.
6,, it is characterized in that said batch mixing adds first granulation balling-up again behind the water according to the preparation method of claim 4 or 5 described Selid propping agents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021127468A CN100347405C (en) | 2002-03-10 | 2002-03-10 | Solid propping agent and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021127468A CN100347405C (en) | 2002-03-10 | 2002-03-10 | Solid propping agent and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1367306A true CN1367306A (en) | 2002-09-04 |
| CN100347405C CN100347405C (en) | 2007-11-07 |
Family
ID=4742221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021127468A Expired - Fee Related CN100347405C (en) | 2002-03-10 | 2002-03-10 | Solid propping agent and its preparation method |
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| CN (1) | CN100347405C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101824315A (en) * | 2010-05-11 | 2010-09-08 | 宜兴东方石油支撑剂有限公司 | Super-low-density proppant and preparation method thereof |
| 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 |
| CN105086991A (en) * | 2014-05-16 | 2015-11-25 | 石家庄市德祥石油支撑剂有限公司 | Low-density oil fracturing propping agent and preparation method thereof |
| US9611423B2 (en) | 2013-04-25 | 2017-04-04 | Hebi Tianrui Petroleum Proppant Co., Ltd | Petroleum fracturing proppant prepared from flyash and waste ceramic, and preparation method thereof |
| CN106833600A (en) * | 2017-01-16 | 2017-06-13 | 中国建筑材料科学研究总院 | A kind of acidproof high-strength pressure crack proppant of red mud base and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1017523B (en) * | 1989-04-26 | 1992-07-22 | 中原石油勘探局采油工艺研究所 | Selid propping agent and making method thereof |
| CN1085288A (en) * | 1993-10-08 | 1994-04-13 | 成都无缝钢管公司耐火材料厂 | The manufacture method of high-strength alumina supporting agent |
| CN1146436A (en) * | 1995-09-27 | 1997-04-02 | 云南省可保煤矿 | Light haycite and preparation method |
-
2002
- 2002-03-10 CN CNB021127468A patent/CN100347405C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101824315A (en) * | 2010-05-11 | 2010-09-08 | 宜兴东方石油支撑剂有限公司 | Super-low-density proppant and preparation method thereof |
| CN101824315B (en) * | 2010-05-11 | 2015-01-07 | 宜兴东方石油支撑剂有限公司 | Super-low-density proppant and preparation method thereof |
| US9611423B2 (en) | 2013-04-25 | 2017-04-04 | Hebi Tianrui Petroleum Proppant Co., Ltd | Petroleum fracturing proppant prepared from flyash and waste ceramic, and preparation method thereof |
| CN105086991A (en) * | 2014-05-16 | 2015-11-25 | 石家庄市德祥石油支撑剂有限公司 | Low-density oil fracturing propping agent and preparation method thereof |
| CN106833600A (en) * | 2017-01-16 | 2017-06-13 | 中国建筑材料科学研究总院 | A kind of acidproof high-strength pressure crack proppant of red mud base and preparation method thereof |
| CN106833600B (en) * | 2017-01-16 | 2019-07-30 | 中国建筑材料科学研究总院 | A kind of acidproof high-strength pressure crack proppant of red mud base and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100347405C (en) | 2007-11-07 |
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