CN103965862A - Method for producing high-strength oil fracturing propping agent by using phosphate waste bricks - Google Patents

Method for producing high-strength oil fracturing propping agent by using phosphate waste bricks Download PDF

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CN103965862A
CN103965862A CN201410180060.6A CN201410180060A CN103965862A CN 103965862 A CN103965862 A CN 103965862A CN 201410180060 A CN201410180060 A CN 201410180060A CN 103965862 A CN103965862 A CN 103965862A
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phosphate
high
propping agent
lt
strength
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CN201410180060.6A
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CN103965862B (en
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曹凯莉
苏志远
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巩义市鸿达陶粒砂有限公司
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60Compositions for stimulating production by acting on the underground formation
    • C09K8/80Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open

Abstract

The invention discloses a method for producing a high-strength oil fracturing propping agent by using phosphate waste bricks. The high-strength oil fracturing propping agent comprises the following components in percentage by weight: 40% of phosphate waste bricks, 50% of a bauxite ore raw material, 3% of Suzhou soil, 3% of manganese powder, 2% of dolomite and 2% of talcum powder; each phosphate crushed brick comprises the following chemical constituents in percentage by weight: 75-80% of P2O3, 5-7.2% of SiO2 and 1.1-2.3% of Fe2O3, wherein the burn loss is smaller than 2.5%; the bauxite ore raw material comprises the following chemical constituents in percentage by weight: 60-70% of Al2O3, 7.3-11.4% of SiO2, 1.5-2.5% of Fe2O3, smaller than 1.0% of MgO and smaller than 1.0% of CaO, wherein the burn loss is smaller than 12-14%. The high-strength oil fracturing propping agent produced by the invention can not only remarkably reduce the production cost of the propping agent, but also greatly improve the strength of the oil fracturing propping agent, and all performance indexes of the propping agent reach or exceed the national standard.

Description

利用磷酸盐废砖生产高强石油压裂支撑剂的方法 Phosphate waste using a process for producing high strength brick oil fracturing proppant

[0001] 技术领域: [0001] Technical Field:

本发明涉及一种利用报废的磷酸盐砖、丰富的铝矾土矿石生料和特殊的辅料为中深油井生产高强石油压裂支撑剂的方法。 The present invention relates to a method of using phosphate brick scrap, bauxite ore rich raw materials and special production of high strength materials for the oil fracturing proppant deep wells.

[0002] 背景技术: [0002] BACKGROUND:

石油压裂支撑剂是石油压裂工艺技术能复活的成功的关键。 Oil fracturing proppant fracturing of oil is the key to the success of technology can be resurrected. 石油压裂支撑剂,是使地层深处岩石裂隙保持裂开状态的支撑物。 Oil fracturing proppant, formation rock is fractured so deep split state holding support. 在使用过程中,把支撑剂混入压裂液中,利用高压手段注入深层岩石裂缝中支撑岩层,以提高油率,增加原油产量。 During use, the support agent into the fracturing fluid, means for injecting high-pressure deep crevices in the support formation to increase oil yield, increased oil production. 目前,国内采用的压裂陶粒砂强度普遍较低,只能用于浅层油井开采。 At present, the strength of the domestic use of ceramic sand fracturing is generally low, only for shallow well production. 若将这些支撑剂使用在中深井石油开采,将难以承受岩层巨大的压力及地层环境中的各种腐蚀,会大量破碎,20~40目69mpa破碎率一般在4~8%,难以满足中深油井的要求。 If these proppants used in deep oil production, the great variety of corrosion formation pressure and formation unbearable environment, will be a substantial break, 20 to 40 mesh 69mpa crushing rate is generally 4-8%, it is difficult to satisfy the deep well requirements. 国际上(如美国)多采用烧结刚玉制品,但这种制品虽然在理化性能上可以满足要求,可是原料来源困难,加工工艺复杂,且能耗大、成本高。 International (U.S.) use more sintered corundum products, but the products meet the requirements, although on the physical and chemical properties, but the sources of raw materials is difficult, complicated process, and a large energy consumption, high cost.

[0003] 发明内容: [0003] SUMMARY OF THE INVENTION:

本发明所要解决的技术问题是:提供一种利用报废的磷酸盐砖、丰富的铝矾土矿石生料和特殊的辅料为中深油井生产高强石油压裂支撑剂的方法。 The present invention solves the technical problem are: to provide a use of phosphate brick scrap, high strength proppant fracturing method of oil rich bauxite ore raw materials and special accessories for the deep well production.

[0004] 本发明为解决技术问题所采取的技术方案是: [0004] The technical problem of the present invention is to solve the technical solutions adopted are:

一种利用磷酸盐废砖生产高强石油压裂支撑剂的方法,各原料按重量百分比配比如下:磷酸盐废砖40%,铝矾土矿石生料50%,苏州土3%,锰粉3%,白云石2%,滑石粉2% ; Utilizing high strength brick phosphate waste oil fracturing proppant method of production, the raw materials by weight percent was prepared as follows: 40% phosphate brick waste, raw bauxite ore 50%, 3% Suzhou soil, manganese powder 3 %, 2% dolomite, talc, 2%;

具体生产步骤如下: Specific production steps are as follows:

①配料:按上述重量百分比进行配料; ① Ingredients: compounding the above-described weight percent;

②破碎:将不同原料分别进行破碎,先破碎成50mm~60mm后,再破碎成8mm~IOmm ; Broken ②: The different materials were crushed after the first broken into ~ 50mm 60mm, and then broken into 8mm ~ IOmm;

③细磨:将破碎后的物料送入球磨机中混磨60~80 min,混磨成350~400目均匀细 ③ fine grinding: The material crushed into a ball mill mixing mill 60 ~ 80 min, 350 to 400 mesh ground mixed uniformly fine

粉; powder;

④造粒:将细磨后的物料送至各造粒机中进打造粒,造粒后在60~120 C的温度下供干,直至球粒中水分<3% ; ④ Granulation: the material supplied to each of the finely ground to create particles into the granulator, for granulation after dry at a temperature of 60 ~ 120 C until the pellet moisture <3%;

⑤高温煅烧:将造粒后的毛粒送入回转窑中进行高温煅烧,高温煅烧温度:1200~1250°C,煅烧时间:75 ~90min ; ⑤ high temperature calcination: After granulated nep into high temperature rotary kiln, the high temperature calcining temperature: 1200 ~ 1250 ° C, the calcination time: 75 ~ 90min;

⑥筛析:将烧成的高强石油压裂支撑剂进行成品分析、筛分,合格后由自动称重包装机包装检验入库待售。 ⑥ sieve analysis: The fired high strength proppant for fracturing oil product analysis, sieving, after passing by the automatic weighing packaging machine packaging test storage for sale.

[0005] 所述磷酸盐废砖的化学成分按质量百分比为=P2O3 75~80%、SiO2 5~7.2%、Fe2O3 1.1 ~2.3%,烧失< 2.5%。 [0005] The chemical composition of the phosphate waste tile mass percentage = P2O3 75 ~ 80%, SiO2 5 ~ 7.2%, Fe2O3 1.1 ~ 2.3%, loss on ignition <2.5%.

[0006] 所述铝矾土矿石生料的化学成分按质量百分比为=Al2O3 60~70%、SiO2 7.3~ [0006] The chemical composition of the raw material Bauxite ore mass percentage = Al2O3 60 ~ 70%, SiO2 7.3 ~

11.4%、Fe2O3 1.5 ~2.5%、MgO < 1.0%、CaO < 1.0%,烧失< 12 ~14%。 11.4%, Fe2O3 1.5 ~ 2.5%, MgO <1.0%, CaO <1.0%, loss on ignition of <12 to 14%.

[0007] 本发明创新提出利用铝矾土矿石生料和磷酸盐废砖为主要原料,配以特殊的辅料,得到了高强石油压裂支撑剂,达到了废物利用、节约成本的目的。 Innovation [0007] The present invention proposes use of bauxite ore raw material waste brick and phosphate as main raw material, with special materials to obtain a high strength proppant fracturing of oil, to the use of waste, the purpose of saving cost.

[0008] 我国有丰富的铝矾土矿石资源和磷酸盐废砖资源,且相对价格低廉,为本发明提供了很好的主原料资源。 [0008] China has abundant mineral resources of bauxite and phosphates brick waste of resources, and relatively inexpensive, the present invention provides a good primary raw material resources. [0009] 在各辅料中: [0009] In various adjuncts:

苏州土:能够增加坯料可塑性,提高坯球强度,降低制品坯球破损率; Suzhou Soil: blank can increase the plasticity and improve the green strength of the ball, the ball breakage rate reduction article blank;

锰粉:由于其离子半径与3价铝离子半径相近,极易取代铝离子而形成溶液体并引起晶格崎变; Manganese powder: Since the ionic radius of trivalent aluminum ion radius similar, highly substituted aluminum ions and cause the body to form a solution lattice of distortion;

白云石:能大大降低制品的烧结温度,提高液相表面张力,提高烧结程度,拓宽其烧结的范围,同时由于其在1000°c温度条件下可与Al2O3形成夹晶石,包裹在外处于晶界处,当Al2O3晶粒长大时它受到晶界处异物阻碍,晶界要进一步移动就必须超过尖晶石相,需要付出较大的能量才能实现,由此阻止Al2O3晶粒的长大,使制品获得微晶结构,大大提高支撑剂强度; Dolomite: can greatly reduce the sintering temperature of the product, increase the surface tension of the liquid phase, increase the degree of sintering, the sintered broaden its scope, since it can be formed simultaneously with the spar sandwiched Al2O3 at a temperature of 1000 ° c, is wrapped in the outer boundary , the Al2O3 grain growth when it is subject to foreign body obstruction at the grain boundaries, grain boundaries must be moved further than spinel phase, you need to pay a large amount of energy can be achieved, thereby preventing Al2O3 grains grow, so microcrystalline product obtained to greatly improve the strength of the proppant;

滑石粉可以明显提供支撑剂的表面光滑度。 Talc significantly provide a surface smoothness of the proppant.

[0010] 本发明的配料依据:为满足熔融体粘度、温度、易结晶以及收缩小等要求,本发明采用CaO-MgO-Mn O2- Al2O3- SiO2系统,以能最终析出α -刚玉晶相为原则,点选择在接近α-刚玉的化学成分上。 [0010] The formulation according to the present invention: In order to meet melt viscosity, temperature, and crystallization and shrinkage requirements, the present invention employs a CaO-MgO-Mn O2- Al2O3- SiO2 system, eventually to precipitate α - corundum crystalline phase in principle, the chemical composition near the point selection in α- corundum.

[0011] 本发明生产出来的高强石油压裂支撑剂,不仅可以明显降低支撑剂的生产成本,而且可以大大提高石油压裂支撑剂的强度,其各项性能指标均达到或超过国家标准。 Invention, produced high strength proppant fracturing of oil [0011] This not only significantly reduce the production cost of the proppant, and can greatly improve the strength of oil fracturing proppant, its performance targets are met or exceeded the national standard.

[0012] 四、具体实施方式: 实施例:一种利用磷酸盐废砖生产高强石油压裂支撑剂的方法,各原料按重量百分比配比如下:磷酸盐废砖40%,铝矾土矿石生料50%,苏州土3%,锰粉3%,白云石2%,滑石粉2% ;具体生产步骤如下: [0012] IV DETAILED DESCRIPTION: Example: utilizing phosphate brick production of high strength waste oil fracturing proppant method, the raw materials by weight percent was prepared as follows: 40% phosphate brick waste, raw bauxite ore materials 50%, 3% Suzhou soil, manganese powder 3%, 2% dolomite, talc 2%; specific production steps are as follows:

①配料:按上述重量百分比进行配料; ① Ingredients: compounding the above-described weight percent;

②破碎:将不同原料分别进行破碎,先破碎成50mm~60mm后,再破碎成8mm~IOmm ; Broken ②: The different materials were crushed after the first broken into ~ 50mm 60mm, and then broken into 8mm ~ IOmm;

③细磨:将破碎后的物料送入球磨机中混磨60~80 min,混磨成350~400目均匀细 ③ fine grinding: The material crushed into a ball mill mixing mill 60 ~ 80 min, 350 to 400 mesh ground mixed uniformly fine

粉; powder;

④造粒:将细磨后的物料送至各造粒机中进打造粒,造粒后在60~120 C的温度下供干,直至球粒中水分<3% ; ④ Granulation: the material supplied to each of the finely ground to create particles into the granulator, for granulation after dry at a temperature of 60 ~ 120 C until the pellet moisture <3%;

⑤高温煅烧:将造粒后的毛粒送入回转窑中进行高温煅烧,高温煅烧温度:1200~1250°C,煅烧时间:75 ~90min ; ⑤ high temperature calcination: After granulated nep into high temperature rotary kiln, the high temperature calcining temperature: 1200 ~ 1250 ° C, the calcination time: 75 ~ 90min;

⑥筛析:将烧成的高强石油压裂支撑剂进行成品分析、筛分,合格后由自动称重包装机包装检验入库待售。 ⑥ sieve analysis: The fired high strength proppant for fracturing oil product analysis, sieving, after passing by the automatic weighing packaging machine packaging test storage for sale.

[0013] 上面所述的磷酸盐废砖的化学成分按质量百分比为:P2O3 75~80%、SiO2 5~ [0013] The above chemical composition of the phosphate waste brick by mass percentage: P2O3 75 ~ 80%, SiO2 5 ~

7.2%, Fe2O3 1.1 ~2.3%,烧失< 2.5%。 7.2%, Fe2O3 1.1 ~ 2.3%, loss on ignition <2.5%.

[0014] 上面所述的铝矾土矿石生料的化学成分按质量百分比为=Al2O3 60~70%、SiO2 [0014] The chemical composition of the raw material Bauxite ore above mass percentage = Al2O3 60 ~ 70%, SiO2

7.3 ~11.4%、Fe2O3 1.5 ~2.5%、MgO < 1.0%、CaO < 1.0%,烧失< 12 ~14%。 7.3 ~ 11.4%, Fe2O3 1.5 ~ 2.5%, MgO <1.0%, CaO <1.0%, loss on ignition of <12 to 14%.

[0015] 本发明生产出来的高强石油压裂支撑剂,不仅可以明显降低支撑剂的生产成本,而且可以大大提高石油压裂支撑剂的强度,其各项性能指标均达到或超过国家标准。 [0015] The present invention produced by the high strength oil fracturing proppant, can not only significantly reduce the production cost of the proppant, and can greatly improve the strength of oil fracturing proppant, its performance targets are met or exceeded the national standard.

Claims (3)

1.一种利用磷酸盐废砖生产高强石油压裂支撑剂的方法,其特征在于:各原料按重量百分比配比如下:磷酸盐废砖40%,铝矾土矿石生料50%,苏州土3%,锰粉3%,白云石2%,滑石粉2% ; 具体生产步骤如下: ①配料:按上述重量百分比进行配料; ②破碎:将不同原料分别进行破碎,先破碎成50mm~60mm后,再破碎成8mm~IOmm ; ③细磨:将破碎后的物料送入球磨机中混磨60~80min,混磨成350~400目均匀细粉; ④造粒:将细磨后的物料送至各造粒机中进打造粒,造粒后在60~120 C的温度下供干,直至球粒中水分<3% ; ⑤高温煅烧:将造粒后的毛粒送入回转窑中进行高温煅烧,高温煅烧温度:1200~1250°C,煅烧时间:75 ~90min ; ⑥筛析:将烧成的高强石油压裂支撑剂进行成品分析、筛分,合格后由自动称重包装机包装检验入库待售。 A method of using high strength brick phosphate waste oil fracturing proppant production, wherein: in percentage by weight of each material was prepared as follows: 40% phosphate brick waste, raw bauxite ore 50% soil Suzhou 3%, 3% manganese powder, 2% dolomite, talc 2%; specific production steps as follows: ① ingredients: compounding the above-described weight percent; ② crushing: the different materials were crushed to the crushing into 50mm ~ 60mm , then broken into 8mm ~ IOmm; ③ fine grinding: the material crushed into a ball mill mixing mill 60 ~ 80min, mixed uniformly ground into fine powder 350 to 400 mesh; ④ granulation: the material supplied to the finely ground each build granulator into granules, the granules for dry at a temperature of 60 ~ 120 C until the pellet moisture <3%; ⑤ high temperature calcination: after granulated nep in a high temperature into the rotary kiln calcined, high-temperature calcining temperature: 1200 ~ 1250 ° C, the calcination time: 75 ~ 90min; ⑥ sieve analysis: the fired high strength proppant for fracturing oil product analysis, sieving, after passing by the automatic weighing packaging machine packaging test storage for sale.
2.根据权利要求1所述的利用磷酸盐废砖生产高强石油压裂支撑剂的方法,其特征在于:所述磷酸盐废砖的化学成分按质量百分比为=P2O3 75~80%、SiO2 5~7.2%、Fe2O3L I ~2.3%,烧失< 2.5%。 The use of phosphate waste brick according to claim 1 of high strength proppant fracturing method of oil production, characterized in that: the chemical composition of the phosphate waste tile mass percentage = P2O3 75 ~ 80%, SiO2 5 ~ 7.2%, Fe2O3L I ~ 2.3%, loss on ignition <2.5%.
3.根据权利要求1所述的利用磷酸盐废砖生产高强石油压裂支撑剂的方法,其特征在于:所述铝矾土矿石生料的化学成分按质量百分比为=Al2O3 60~70%、SiO2 7.3~11.4%、Fe2O3 1.5 ~2.5%、MgO < 1.0%、CaO < 1.0%,烧失< 12 ~14%。 The use according to claim 1 a process for producing high-strength oil fracturing proppant phosphate waste tiles, wherein: said raw bauxite ore chemical composition by weight percentage = Al2O3 60 ~ 70%, SiO2 7.3 ~ 11.4%, Fe2O3 1.5 ~ 2.5%, MgO <1.0%, CaO <1.0%, loss on ignition of <12 to 14%.
CN201410180060.6A 2014-04-30 2014-04-30 Phosphate waste using a process for producing high strength brick oil fracturing proppant CN103965862B (en)

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US6450260B1 (en) * 2000-07-07 2002-09-17 Schlumberger Technology Corporation Sand consolidation with flexible gel system
US20040261995A1 (en) * 2003-06-27 2004-12-30 Nguyen Philip D. Compositions and methods for improving proppant pack permeability and fracture conductivity in a subterranean well
CN101575503A (en) * 2009-06-11 2009-11-11 邹平金刚新材料有限公司 High-strength compress supporting agent for coarse oil and preparation method thereof
US20100167965A1 (en) * 2008-12-26 2010-07-01 Bp Corporation North America Inc. Amphiphobic Proppant
CN103509547A (en) * 2013-09-24 2014-01-15 淄博嘉丰矿业有限公司 Ceramic proppant added with aluminium dihydrogen phosphate and preparation method of ceramic proppant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6450260B1 (en) * 2000-07-07 2002-09-17 Schlumberger Technology Corporation Sand consolidation with flexible gel system
US20040261995A1 (en) * 2003-06-27 2004-12-30 Nguyen Philip D. Compositions and methods for improving proppant pack permeability and fracture conductivity in a subterranean well
US20100167965A1 (en) * 2008-12-26 2010-07-01 Bp Corporation North America Inc. Amphiphobic Proppant
CN101575503A (en) * 2009-06-11 2009-11-11 邹平金刚新材料有限公司 High-strength compress supporting agent for coarse oil and preparation method thereof
CN103509547A (en) * 2013-09-24 2014-01-15 淄博嘉丰矿业有限公司 Ceramic proppant added with aluminium dihydrogen phosphate and preparation method of ceramic proppant

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