CN104194768A - Economic ceramsite oil gas fracturing propping agent and preparation method thereof - Google Patents
Economic ceramsite oil gas fracturing propping agent and preparation method thereof Download PDFInfo
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- CN104194768A CN104194768A CN201410405667.XA CN201410405667A CN104194768A CN 104194768 A CN104194768 A CN 104194768A CN 201410405667 A CN201410405667 A CN 201410405667A CN 104194768 A CN104194768 A CN 104194768A
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- Prior art keywords
- oil gas
- fracturing propping
- economical
- propping agents
- haydite
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
Abstract
The invention relates to an economic ceramsite oil gas fracturing propping agent which is prepared by using cheap purple sand clay rock raw materials and a preparation method thereof, belonging to the technical field of ceramic materials and propping agents for oil gas fracturing construction and exploitation. The preparation method comprises the following steps: by using purple sand clay rock and bauxite as raw materials, wherein the weight percentages of purple sand clay rock and bauxite are respectively 60-70% and 30-40%, totaling 100%, uniformly mixing after dosing in proportion; adding 10-15wt.% of water or water solution of a mixed material to pellet; and screening spherical particles in required specification and sintering at high temperatures to prepare the complex phase economic ceramsite oil gas fracturing propping agent with the main crystal phase of mullite 3Al2O3.2SiO2 and the secondary crystal phase of quartz SiO2. According to the invention, not only can mullite/quartz complex phase economic ceramsite oil gas fracturing propping agent be prepared with low cost, but also purple sand clay rock can be comprehensively utilized. The invention further provides 35MPa economic ceramsite oil gas fracturing propping agent which is higher than quartz in cost performance.
Description
technical field:
The present invention relates to a kind of economical haydite oil gas fracturing propping agents prepared by boccaro tonstein and preparation method thereof that utilize, belong to stupalith and proppant technology field is used in oil-gas field fracturing construction exploitation.
background technology:
Oil gas fracturing propping agents are critical materials of oil, Sweet natural gas low-permeability oil gas well and shale gas reservoir exploitation pressing crack construction, are a kind of products with high added value feature.The function of oil gas fracturing propping agents is to stop after infusion, and two walls of supporting crack are resisted Oil/gas Well and frustrated and make oil pipeline up because of rock, improves the penetrating power of oil reservoir, increases oil offtake and extends the Oil/gas Well length of service.Now, the oil gas fracturing propping agents of domestic main use have natural siliceous sand and high temperature sintering ceramsite sand, and natural siliceous sand is mainly used in Shallow Oil-Gas well because compressive strength is lower, and high temperature sintering ceramsite sand is mainly used in deep-seated oil gas well pressing crack construction.
Development along with well fracturing operation, to the demand of oil gas fracturing propping agents also in the variation ceaselessly occurring, current domestic energy is mainly derived from the ground such as Chengde, Inner Mongol, Gansu as the natural siliceous sand of fracturing propping agents, their performance requriementss meet 14MPa and 28MPa substantially, but under 35MPa locking pressure, its using property data is poor, and especially on anti-breaking capacity, the anisotropy due to quartz crystal causes its percentage of damage higher.Therefore, need to seek new material replaces natural siliceous sand to meet the operation of 35MPa locking pressure fracturing.
At present, domestic for natural siliceous sand intensity, lower taked measure mainly contains two, and one is to utilize high-strength ceramsite sand to replace natural siliceous sand, and another is natural siliceous sand to be carried out to resin coating process to improve its anti-breaking capacity.But because high-strength ceramsite sand majority is 52MPa and above product, with it, replace natural siliceous sand operation meeting under 35MPa locking pressure to cause waste and increase cost, simultaneously because high-strength ceramsite sand density needs to use partially expensive pressure break transport fluid frac job to increase the cost of construction compared with high.And for resin coating quartz sand, can improve the intensity of quartz sand, but the performance for quartz sand does not also have a set of rounded system to evaluate it now, its use properties can cause very large variation due to the coated integrated degree of laminated quartz sand, coated thickness, resin-coated difference, and the price of resin is far above quartz sand, this has increased the price of product virtually, also because current domestic coated sand number of the enterprise is less, do not form price competition situation, thereby cause the current price of resin coating quartz sand can be too not low.Thereby seeking new cheap raw material, to prepare the economical ceramsite sand of 35MPa that relative quartz sand cost performance is higher be our first-selection.
In current oil gas fracturing propping agents market, natural siliceous sand propping agent can not meet job requirements under 35MPa locking pressure, and domestic and international market is showed no economical haydite oil gas fracturing propping agents special-purpose under 35MPa locking pressure, it is raw material that boccaro tonstein and bauxite ore are take in the present invention, adopt high temperature solid-phase sintering legal system standby the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents.This preparation method is by utilizing boccaro tonstein for main raw material, also significantly reduced the cost of preparing the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents preparing under 35MPa locking pressure in special-purpose economical fracturing propping agents; The boccaro tonstein of take prepares as main raw material the usage quantity that the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents have significantly reduced bauxitic clay simultaneously, and also the comprehensive utilization for cheap boccaro tonstein provides an effective approach.The preparation technology of the economical haydite oil gas of this mullite/quartzy complex phase fracturing propping agents is simple, cost is on the low side, and the indexs such as the anti-breaking capacity of product, acid solubility, degree of sphericity, turbidity, long-term flow conductivity all meet the requirement of the oil and gas industry standard SY/T of the People's Republic of China (PRC) 5108-2006.
summary of the invention:
The object of the invention is to utilize cheap boccaro tonstein to prepare the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents for main raw material, the preparation method of the economical haydite oil gas of a kind of mullite/quartzy complex phase fracturing propping agents is provided, adopting cheap boccaro tonstein and bauxite ore is that starting material are prepared the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents, both can prepare the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents with low cost, can alleviate to a certain extent bauxite ore resource pressure again, can also fully utilize boccaro tonstein, the most important thing is to provide a kind of economical haydite oil gas fracturing propping agents of replacing natural siliceous sand to use of being used for specially under 35MPa locking pressure.
Technical solution of the present invention is as follows:
The economical haydite oil gas of complex phase fracturing propping agents, the main thing of the economical haydite oil gas of this complex phase fracturing propping agents is mullite 3Al mutually
2o
32SiO
2, less important thing is quartzy SiO mutually
2; The main chemical of the economical haydite oil gas of this complex phase fracturing propping agents is: Al
2o
3content 40 ~ 44wt.%, SiO
2content is 39 ~ 43wt.% approximately, Fe
2o
3the about 9wt.% of content, other TiO
2, the foreign matter content such as alkalimetal oxide and alkaline earth metal oxide is no more than 8wt.%; These economical oil gas fracturing propping agents are mainly used to replace natural siliceous sand to use in the operation of 35MPa locking pressure fracturing.
A kind of method of utilizing boccaro tonstein to prepare the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents, the method comprises the steps: 1) by boccaro tonstein, bauxite ore respectively abrasive dust to particle diameter be less than the size of mesh of 400 mesh standard sieves, obtain starting material; 2) above-mentioned starting material carried out by a certain percentage to proportioning and evenly mix, obtaining mixed powder; 3) water or the aqueous solution that above-mentioned mixed powder are placed in to tablets press and add mixed powder 10 ~ 15wt.% carry out granulation, and filter out the spherolite of required specification; 4) above-mentioned spherolite is carried out to kiln and be dried, obtain work in-process; 5) above-mentioned work in-process are slowly added in the inherent air atmosphere of high temperature rotary kiln and carry out constant-pressure and high-temperature sintering by given pace, the firing temperature of rotary kiln discharge gate is 1380 ℃ ~ 1520 ℃, work in-process sintering residence time in rotary kiln is 2h, obtains the economical haydite oil gas of high temperature fracturing propping agents finished product; 6) after the economical oil gas fracturing propping agents of above-mentioned high temperature finished product is cooling rapidly, be promoted to storage bin and sieve packing, obtain the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents.
The Al of described boccaro tonstein
2o
3content is 25 ~ 29wt.%, SiO
2content is 51 ~ 60wt.%, Fe
2o
3content is 4 ~ 9wt.%, and its addition is 60 ~ 70wt.%; The Al of bauxite ore
2o
3content is 58 ~ 73wt.%, SiO
2content is 8 ~ 10wt.%, Fe
2o
3content is 3 ~ 6wt.%, and its addition is 30 ~ 40wt.%.
The economical haydite oil gas of mullite of the present invention/quartzy complex phase fracturing propping agents and preparation method thereof, both can low cost prepare the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents, can realize the comprehensive utilization of cheap boccaro tonstein again, also can obtain anti-breaking capacity, acid solubility, degree of sphericity, turbidity, the indexs such as long-term flow conductivity all meet the oil and gas industry standard SY/T of the People's Republic of China (PRC) 5108-2006 requirements and are used for specially substituting the economical haydite oil gas of the complex phase fracturing propping agents that quartz sand is used under 35MPa locking pressure.
embodiment:
Below in conjunction with embodiment, the present invention is elaborated: the present embodiment is implemented take technical solution of the present invention under prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Raw material of the present invention is: boccaro tonstein and bauxite ore.The Al of described boccaro tonstein
2o
3content is 25 ~ 29wt.%, SiO
2content is 51 ~ 60wt.%, Fe
2o
3content is 4 ~ 9wt.%, and its addition is 60 ~ 70wt.%; The Al of bauxite ore
2o
3content is 58 ~ 73wt.%, SiO
2content is 8 ~ 10wt.%, Fe
2o
3content is 3 ~ 6wt.%, and its addition is 30 ~ 40wt.%.Utilize the degree of sphericity of the economical haydite oil gas of the mullite/quartzy complex phase fracturing propping agents that the processing method in the present invention prepares to be all not less than 0.8, volume density is less than 1.55gcm
-3, volume density is between 2.60 ~ 2.75 gcm
-3, turbidity <100FTU, acid solubility <7%, under 35MPa, percentage of damage is less than 10%.
Embodiment 1:
By boccaro tonstein, bauxite ore respectively abrasive dust to particle diameter be less than the size of mesh of 400 mesh standard sieves, according to weight percent boccaro tonstein 70% and bauxite ore 30% batching, then add 15% water or the aqueous solution and carry out granulation, filtering out 20-40 object spheroid is dried and obtains work in-process, work in-process are burnt till respectively at being incubated 2h at 1380 ℃, 1400 ℃, 1420 ℃, at product, after cooling and screening, obtain the economical haydite oil gas of 20-40 object complex phase fracturing propping agents rapidly.
The economical haydite oil gas of the complex phase fracturing propping agents of preparation, primary and secondary thing is respectively mullite and quartz mutually, the degree of sphericity of the haydite oil gas fracturing propping agents that burn till at 1380 ℃, 1400 ℃, 1420 ℃ is 0.8, turbidity is all less than 100FTU, acid solubility is respectively 5.63%, 4.70%, 4.70%, and volume density is respectively 1.46 gcm
-3, 1.47 gcm
-3, 1.47 gcm
-3, volume density is respectively 2.68 gcm
-3, 2.69 gcm
-3, 2.66 gcm
-3, the percentage of damage under 35MPa is respectively 9.28%, 7.64%, 7.15%.
Embodiment 2:
By boccaro tonstein, bauxite ore respectively abrasive dust to particle diameter be less than the size of mesh of 400 mesh standard sieves, according to weight percent boccaro tonstein 60% and bauxite ore 40% batching, then add 13% water or the aqueous solution and carry out granulation, filtering out 20-40 object spheroid is dried and obtains work in-process, work in-process are burnt till at 1430 ℃ and 1450 ℃, product rapidly cooling and screening after obtain the economical haydite oil gas of 20-40 object complex phase fracturing propping agents.
The economical haydite oil gas of the complex phase fracturing propping agents of preparation, primary and secondary thing is respectively mullite and quartz mutually, the degree of sphericity of the haydite oil gas fracturing propping agents that burn till at 1430 ℃ and 1450 ℃ is 0.9, turbidity is less than 100FTU, acid solubility is respectively 4.82%, 5.46%, and volume density is respectively 1.35 gcm
-3with 1.45 gcm
-3, volume density is respectively 2.72 gcm
-3with 2.74 gcm
-3, the percentage of damage under 35MPa is respectively 6.44% and 4.52%.
Embodiment 3:
By boccaro tonstein, bauxite ore respectively abrasive dust to particle diameter be less than the size of mesh of 400 mesh standard sieves, according to weight percent boccaro tonstein 60% and bauxite ore 40% batching, then add 10% water or the aqueous solution and carry out granulation, filtering out 30-50 object spheroid is dried and obtains work in-process, work in-process are burnt till at 1520 ℃, product rapidly cooling and screening after obtain the economical haydite oil gas of 30-50 object complex phase fracturing propping agents.
The economical haydite oil gas of the complex phase fracturing propping agents of preparation, primary and secondary thing is respectively mullite and quartz mutually, the degree of sphericity of the economical haydite oil gas of complex phase fracturing propping agents is 0.8, turbidity 74.6 FTU, acid solubility 5.27%, volume density is 1.33 gcm
-3, volume density is 2.71 gcm
-3, the percentage of damage under 35MPa is that the long-term flow conductivity under 4.37%, 55MPa, 69MPa, 83MPa locking pressure is respectively 41.66 μ m
2cm, 26.27 μ m
2cm, 16.45 μ m
2cm.
Embodiment 4:
By boccaro tonstein, bauxite ore respectively abrasive dust to particle diameter be less than the size of mesh of 400 mesh standard sieves, according to weight percent boccaro tonstein 60% and bauxite ore 40% batching, then add 12.5% water or the aqueous solution and carry out granulation, filtering out 40-70 object spheroid is dried and obtains work in-process, work in-process are burnt till at 1520 ℃, product rapidly cooling and screening after obtain the economical haydite oil gas of 40-70 object complex phase fracturing propping agents.
The economical haydite oil gas of the complex phase fracturing propping agents of preparation, primary and secondary thing is respectively mullite and quartz mutually, the degree of sphericity of the economical haydite oil gas of complex phase fracturing propping agents is 0.8, turbidity 47.6 FTU, acid solubility 6.16%, volume density is 1.31 gcm
-3, volume density is 2.74 gcm
-3, the percentage of damage under 35MPa is that the long-term flow conductivity under 2.63%, 55MPa, 69MPa, 83MPa locking pressure is respectively 35.91 μ m
2cm, 25.18 μ m
2cm, 14.05 μ m
2cm.
Claims (3)
1. economical haydite oil gas fracturing propping agents, is characterized in that: the main thing of these economical haydite oil gas fracturing propping agents is mullite 3Al mutually
2o
32SiO
2, less important thing is quartzy SiO mutually
2; The main chemical of these economical haydite oil gas fracturing propping agents is: Al
2o
3content 40 ~ 44wt.%, SiO
2content is 39 ~ 43wt.% approximately, Fe
2o
3the about 9wt.% of content, other TiO
2, the foreign matter content such as alkalimetal oxide and alkaline earth metal oxide is no more than 8wt.%; These economical oil gas fracturing propping agents are mainly used to replace natural siliceous sand to use in the operation of 35MPa locking pressure fracturing.
2. utilize boccaro tonstein to prepare a method for the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents, it is characterized in that, the method comprises the steps:
1) by boccaro tonstein, bauxite ore respectively abrasive dust to particle diameter be less than the size of mesh of 400 mesh standard sieves, obtain starting material;
2) above-mentioned starting material carried out by a certain percentage to proportioning and evenly mix, obtaining mixed powder;
3) water or the aqueous solution that above-mentioned mixed powder are placed in to tablets press and add mixed powder 10 ~ 15wt.% carry out granulation, and filter out the spherolite of required specification;
4) above-mentioned spherolite is carried out to kiln and be dried, obtain work in-process;
5) above-mentioned work in-process are slowly added in the inherent air atmosphere of high temperature rotary kiln and carry out constant-pressure and high-temperature sintering by given pace, the firing temperature of rotary kiln discharge gate is 1380 ℃ ~ 1520 ℃, work in-process sintering residence time in rotary kiln is 2h, obtains the economical haydite oil gas of high temperature fracturing propping agents finished product;
6) after the economical oil gas fracturing propping agents of above-mentioned high temperature finished product is cooling rapidly, be promoted to storage bin and sieve packing, obtain the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents.
3. the method for preparing according to claim 2 the economical haydite oil gas of mullite/quartzy complex phase fracturing propping agents, is characterized in that:
The Al of described boccaro tonstein
2o
3content is 25 ~ 29wt.%, SiO
2content is 51 ~ 60wt.%, Fe
2o
3content is 4 ~ 9wt.%, and its addition is 60 ~ 70wt.%;
The Al of bauxite ore
2o
3content is 58 ~ 73wt.%, SiO
2content is 8 ~ 10wt.%, Fe
2o
3content is 3 ~ 6wt.%, and its addition is 30 ~ 40wt.%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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|---|---|---|---|
| CN201410405667.XA CN104194768A (en) | 2014-08-18 | 2014-08-18 | Economic ceramsite oil gas fracturing propping agent and preparation method thereof |
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Cited By (9)
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| CN104592970A (en) * | 2014-12-25 | 2015-05-06 | 郑州巨英陶粒砂有限责任公司 | Ultralow-density ceramisite sand proppant and preparation method thereof |
| CN104628410A (en) * | 2015-01-22 | 2015-05-20 | 太原理工大学 | Method for preparing porous mullite microspheres |
| CN108441205A (en) * | 2018-05-03 | 2018-08-24 | 四川南联环资科技股份有限公司 | A kind of preparation process producing petroleum propping agent using quartz sand magnetic separation tailings |
| CN108659811A (en) * | 2018-05-03 | 2018-10-16 | 四川南联环资科技股份有限公司 | A kind of preparation process producing petroleum propping agent using quartz sand |
| CN109553400A (en) * | 2018-11-30 | 2019-04-02 | 共享智能铸造产业创新中心有限公司 | A kind of casting sintering ceramsite and preparation method thereof |
| CN110606728A (en) * | 2019-09-21 | 2019-12-24 | 河南祥盛陶粒有限公司 | Light microporous ceramsite sand and preparation process thereof |
| CN111804391A (en) * | 2020-06-24 | 2020-10-23 | 程雅雯 | Special gravel manufacturing device for sand prevention and thin production of heavy oil well |
| CN111804373A (en) * | 2020-06-24 | 2020-10-23 | 程雅雯 | Method for manufacturing gravel special for sand prevention and thin production of heavy oil well |
| CN113123773A (en) * | 2019-12-31 | 2021-07-16 | 中国石油天然气股份有限公司 | Method for laying proppant |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592970A (en) * | 2014-12-25 | 2015-05-06 | 郑州巨英陶粒砂有限责任公司 | Ultralow-density ceramisite sand proppant and preparation method thereof |
| CN104628410A (en) * | 2015-01-22 | 2015-05-20 | 太原理工大学 | Method for preparing porous mullite microspheres |
| CN104628410B (en) * | 2015-01-22 | 2016-05-25 | 太原理工大学 | A kind of preparation method of porous mullite microballoon |
| CN108441205A (en) * | 2018-05-03 | 2018-08-24 | 四川南联环资科技股份有限公司 | A kind of preparation process producing petroleum propping agent using quartz sand magnetic separation tailings |
| CN108659811A (en) * | 2018-05-03 | 2018-10-16 | 四川南联环资科技股份有限公司 | A kind of preparation process producing petroleum propping agent using quartz sand |
| CN109553400A (en) * | 2018-11-30 | 2019-04-02 | 共享智能铸造产业创新中心有限公司 | A kind of casting sintering ceramsite and preparation method thereof |
| CN109553400B (en) * | 2018-11-30 | 2021-10-22 | 共享智能铸造产业创新中心有限公司 | Sintered ceramsite for casting and preparation method thereof |
| CN110606728A (en) * | 2019-09-21 | 2019-12-24 | 河南祥盛陶粒有限公司 | Light microporous ceramsite sand and preparation process thereof |
| CN113123773A (en) * | 2019-12-31 | 2021-07-16 | 中国石油天然气股份有限公司 | Method for laying proppant |
| CN111804391A (en) * | 2020-06-24 | 2020-10-23 | 程雅雯 | Special gravel manufacturing device for sand prevention and thin production of heavy oil well |
| CN111804373A (en) * | 2020-06-24 | 2020-10-23 | 程雅雯 | Method for manufacturing gravel special for sand prevention and thin production of heavy oil well |
| CN111804391B (en) * | 2020-06-24 | 2021-10-12 | 南京伟业机械有限公司 | Special gravel manufacturing device for sand prevention and thin production of heavy oil well |
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Application publication date: 20141210 |