CN105400505B - Low-density petroleum fracturing propping agent and preparation method thereof - Google Patents
Low-density petroleum fracturing propping agent and preparation method thereof Download PDFInfo
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- CN105400505B CN105400505B CN201510906986.3A CN201510906986A CN105400505B CN 105400505 B CN105400505 B CN 105400505B CN 201510906986 A CN201510906986 A CN 201510906986A CN 105400505 B CN105400505 B CN 105400505B
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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
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Abstract
The present invention relates to a kind of low-density petroleum fracturing propping agents and preparation method thereof, it is raw material with light-burned clay 80~90%, feldspar 5~10% and bentonite 3~10%, milling, screening, are granulated after mixing in proportion, and 150 220 DEG C of drying are sieved up to semi-finished product；Semi-finished product are fired at 1,320 1400 DEG C and obtain petroleum fracturing propping agent.Preparation method of the present invention is at low cost, and petroleum fracturing propping agent bulk density obtained is low, resistant to breakage rate is high.
Description
Technical field
The present invention relates to a kind of petroleum fracturing propping agents and preparation method thereof, more particularly to a kind of low-density oil fracturing
Proppant and preparation method thereof.
Background technology
Petroleum fracturing propping agent is required proprietary material in oil-gas field fracturing operation, especially opening in low permeability oil and gas field
It is played an important role in hair.Petroleum fracturing propping agent is that stratum depths rock fracture is made to keep the supporter of state of splitting,
Effect is two walls of supporting crack, and after stopping pump note, oil gas is led to when bottom pressure drops to less than clossing pressure
The crack of wellbore still keeps opening.
Petroleum fracturing propping agent is mainly to low-density, the development of high transverse rupture rate at present, but the prior art has the following problems：
(1) bulk density, apparent density are high, and bulk density is generally in 1.5g/cm3More than；(2) resistant to breakage rate intensity is low, and Some Domestic is real
Testing room can be by the close control of body in 1.35~1.45g/cm3Between, but percentage of damage is high, cannot be satisfied 69Mpa requirements；(3) it makes pottery at present
Grain raw materials for production are mainly high-quality bauxite, expensive.
Invention content
It is a primary object of the present invention to, a kind of novel low-density petroleum fracturing propping agent and preparation method thereof is provided,
Low-density, the petroleum fracturing propping agent of high transverse rupture rate, thus more suitable for reality are obtained the technical problem to be solved is that it is made
With.
The object of the invention to solve the technical problems is realized using following technical scheme.It proposes according to the present invention
A kind of low-density petroleum fracturing propping agent, it is characterised in that：Based on mass fraction, raw material includes:
Light-burned clay：80~90%；
Feldspar：5~10%；
Bentonite：3~10%.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, low-density petroleum fracturing propping agent above-mentioned, wherein aluminum in the wherein described light-burned clay
Measure percentage 40~50%, feldspar aluminium mass fraction 10~18%, bentonite aluminium mass fraction 15~20%.
The present invention also proposes a kind of preparation method of low-density petroleum fracturing propping agent, it is characterised in that：With light-burned clay
80~90%, feldspar 5~10% and bentonite 3~10% are raw material, and milling, screening, are granulated, 150- after mixing in proportion
220 DEG C of drying are sieved up to semi-finished product；Semi-finished product are fired at 1320-1400 DEG C and obtain petroleum fracturing propping agent.
Preferably, the preparation method of low-density petroleum fracturing propping agent above-mentioned, wherein aluminum in the light-burned clay
Measure score 40~50%, feldspar aluminium mass fraction 10~18%, bentonite aluminium mass fraction 15~20%.
Preferably, the preparation method of low-density petroleum fracturing propping agent above-mentioned, wherein the milling, powder fineness are
550-650 mesh, percent of pass are higher than 90%.
By above-mentioned technical proposal, low-density petroleum fracturing propping agent of the present invention and preparation method thereof at least has following excellent
Point：
(1) petroleum fracturing propping agent bulk density produced by the present invention is 1.30~1.39g/cm3。
(2) petroleum fracturing propping agent produced by the present invention is less than 8% in 69Mpa percentages of damage.
(3) it is major ingredient that the present invention, which selects clay, and the bauxite than usually producing use is cheap, saves cost.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, it is described in detail as after with presently preferred embodiments of the present invention below.
Specific implementation mode
It is of the invention to reach the technological means and effect that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Preferred embodiment, to the low-density petroleum fracturing propping agent that proposes according to the present invention and preparation method thereof its specific implementation mode,
Structure, feature and its effect are described in detail as after.In the following description, different " embodiment " or " embodiment " refers to not
It must be the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be by any suitable form
Combination.
A kind of low-density petroleum fracturing propping agent that one embodiment of the present of invention proposes, it is characterised in that：With quality point
Number meter, raw material include:
Light-burned clay：80~90%；
Feldspar：5~10%；
Bentonite：3~10%.
Wherein, aluminium mass fraction 40~50% in light-burned clay, feldspar aluminium mass fraction 10~18%, bentonite aluminum amount
Score 15~20%.The intensity and body of the content influence petroleum fracturing propping agent of aluminium are close；Aluminium mass fraction is higher, obtained stone
Oil pressure splits that proppant strength is bigger, body is close higher.
In above-described embodiment, the chemical constituent of raw material is as shown in table 1.
1 petroleum fracturing propping agent raw material of table forms
A kind of preparation method for low-density petroleum fracturing propping agent that an alternative embodiment of the invention proposes, feature exist
In：It is raw material with light-burned clay 80~90%, feldspar 5~10% and bentonite 3~10%, milling, screening after mixing in proportion,
It is granulated, 150-220 DEG C of drying is sieved up to semi-finished product；Semi-finished product are fired at 1320-1400 DEG C and obtain oil pressure
Split proppant.
Example 5
It is prepared according to 1 raw material of example composition in table 1, so that powder fineness is reached 600 mesh percent of pass through ball mill grinding
90% or more；It after granulation, is dried at 150 DEG C, screening obtains semi-finished product；It is fired under 1350 DEG C of high temperature and obtains finished product
Petroleum fracturing propping agent.
The close 1.35g/cm of petroleum fracturing propping agent body after testing3, apparent density 2.63g/cm3, 69Mpa percentages of damage 6.2%, acid
Molten 5.8%.
Example 6
It is prepared according to 2 raw material of example composition in table 1, so that powder fineness is reached 550 mesh percent of pass through ball mill grinding
90% or more；It after granulation, is dried at 220 DEG C, screening obtains semi-finished product；It is fired under 1400 DEG C of high temperature and obtains finished product
Petroleum fracturing propping agent.
The close 1.30g/cm of petroleum fracturing propping agent body after testing3, apparent density 2.58g/cm3, 69Mpa percentages of damage 7.8%, acid
Molten 5.5%.
Example 7
It is prepared according to 3 raw material of example composition in table 1, so that powder fineness is reached 650 mesh percent of pass through ball mill grinding
90% or more；It after granulation, is dried at 190 DEG C, screening obtains semi-finished product；It is fired under 1320 DEG C of high temperature and obtains finished product
Petroleum fracturing propping agent.
The close 1.36g/cm of petroleum fracturing propping agent body after testing3, apparent density 2.63g/cm3, 69Mpa percentages of damage 6.7%, acid
Molten 5.7%.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, according to
According to the technical spirit of the present invention to any simple modification, equivalent change and modification made by above example, this hair is still fallen within
In the range of bright technical solution.
Claims (5)
1. a kind of low-density petroleum fracturing propping agent, it is characterised in that：Based on mass fraction, raw material is:
Light-burned clay：80~90%；
Feldspar：5~10%；
Bentonite：3~10%.
2. low-density petroleum fracturing propping agent according to claim 1, which is characterized in that aluminum in the light-burned clay
Measure score 40~50%, feldspar aluminium mass fraction 10~18%, bentonite aluminium mass fraction 15~20%.
3. a kind of preparation method of low-density petroleum fracturing propping agent, it is characterised in that：With light-burned clay 80~90%, feldspar 5
~10% and bentonite 3~10% be raw material, in proportion mix after milling, screening, be granulated, 150-220 DEG C drying, screening
Up to semi-finished product；Semi-finished product are fired at 1320-1400 DEG C and obtain petroleum fracturing propping agent.
4. the preparation method of low-density petroleum fracturing propping agent according to claim 3, which is characterized in that described is light-burned
Aluminium mass percent 40~50% in clay, feldspar aluminium mass fraction 10~18%, bentonite aluminium mass fraction 15~20%.
5. the preparation method of low-density petroleum fracturing propping agent according to claim 3, which is characterized in that the mill
Powder, powder fineness are 550-650 mesh, and percent of pass is higher than 90%.
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| CN201510906986.3A CN105400505B (en) | 2015-12-09 | 2015-12-09 | Low-density petroleum fracturing propping agent and preparation method thereof |
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| CN105400505B true CN105400505B (en) | 2018-10-02 |
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| CN107033870A (en) * | 2017-04-21 | 2017-08-11 | 常州市奥普泰科光电有限公司 | A kind of preparation method of low-density and high-strength petroleum fracturing propping agent |
| CN111499344B (en) * | 2020-05-09 | 2022-01-25 | 郑州市新郑梅久实业有限公司 | Sintering process of petroleum fracturing propping agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876315A (en) * | 2012-10-13 | 2013-01-16 | 山西方兴耐火材料有限公司 | Low-density ceramsite supporting agent and preparation method thereof |
| CN102942917A (en) * | 2012-12-06 | 2013-02-27 | 广元市汉美矿业科技有限公司 | Ceramsite proppant prepared from light-burned low-grade bauxite and preparation method thereof |
| CN103666442A (en) * | 2013-12-13 | 2014-03-26 | 淄博嘉丰矿业有限公司 | Low-density high-intensity ceramsite proppant and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876315A (en) * | 2012-10-13 | 2013-01-16 | 山西方兴耐火材料有限公司 | Low-density ceramsite supporting agent and preparation method thereof |
| CN102942917A (en) * | 2012-12-06 | 2013-02-27 | 广元市汉美矿业科技有限公司 | Ceramsite proppant prepared from light-burned low-grade bauxite and preparation method thereof |
| CN103666442A (en) * | 2013-12-13 | 2014-03-26 | 淄博嘉丰矿业有限公司 | Low-density high-intensity ceramsite proppant and preparation method thereof |
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Address after: 629000 modern logistics port of Western China, Suining, Sichuan Patentee after: Jiasheng new materials (Suining) Co.,Ltd. Address before: 629000 modern logistics port of Western China, Suining, Sichuan Patentee before: ANDONG NEW MATERIAL (SUINING) Co.,Ltd. |
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Effective date of registration: 20200903 Address after: 629000 modern logistics base of China, West China, Suining, Sichuan Patentee after: SICHUAN ANTON OIL & GAS ENGINEERING TECHNOLOGY SERVICE CO.,LTD. Address before: 629000 modern logistics port of Western China, Suining, Sichuan Patentee before: Jiasheng new materials (Suining) Co.,Ltd. |
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