CN105777024A - Oil and gas field environment-friendly fracturing propping agent and preparation method thereof - Google Patents
Oil and gas field environment-friendly fracturing propping agent and preparation method thereof Download PDFInfo
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- CN105777024A CN105777024A CN201610045715.8A CN201610045715A CN105777024A CN 105777024 A CN105777024 A CN 105777024A CN 201610045715 A CN201610045715 A CN 201610045715A CN 105777024 A CN105777024 A CN 105777024A
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- fracturing propping
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Classifications
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/50—Defoamers, air detrainers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to an oil and gas field environment-friendly fracturing propping agent prepared by well drilling solid waste and a preparation method thereof; the oil and gas field environment-friendly fracturing propping agent adopts the well drilling solid waste as a raw material, and comprises, by the weight percentage, 20%-60% of the well drilling solid waste, 3%-7% of sand, 1%-5% of ironmaking waste slag, 5%-8% of portland cement, 6%-10% of sulphoaluminate cement, 5%-10% of a curing agent, 2%-3% of manganese dioxide, 4%-6% of sodium sulfate, 2%-5% of barium carbonate, 5%-8% of water-swelling rubber particles, 0.5%-1% of an excitation agent, 0.4%-0.8% of a reinforcing agent, 0.2%-0.5% of a defoaming agent, 0.1%-0.5% of a water reducing agent, 0.3%-0.6% of an impregnating agent, and 1.2%-1.5% of sodium methyl cellulose. The oil and gas field environment-friendly fracturing propping agent provided by the invention has the advantages of good compressive strength, strong crush resistant capability, small density and low production cost; the well drilling solid waste can be fully utilized, the waste is turned into treasure, the environment is protected, and the resources are saved.
Description
Technical field
The invention belongs to Material Field, particularly to a kind of petroleum fracturing propping agent and preparation method thereof.
Background technology
In the recovery process of petroleum gas, petroleum fracturing propping agent is that the formation fractures making depths, stratum is protected
Holding the high intensity particles supports thing of cracking state, its role is to support crack two wall ftractureed, even if stopping
Only high pressure infusion, when bottom pressure drops to less than rock stratum clossing pressure, leads to each oil gas eye in stratum
Crack still keeps open configuration, can be greatly improved the permeability of oil-gas Layer, increases oil gas field yield.
At present proppant mainly has three classes: quartz sand, resin burnt-in sand and baking ceramsite, but quartz sand is because strong
Spend low, and the chip after rupturing can block crack, reduces water conservancy diversion rate, it is impossible to meet the requirement of deep mining；
Various resins parcel peritonaeum sand solves the difficult problem that quartz sand intensity is low, but production cost is high, complex process；
Ceramic fracturing propping agent is usually with bauxite as raw material, in addition various auxiliary materials, by rotary kiln sintered after granulation
Forming, sintered bauxite and melting zirconium oxide ceramsite propping agent intensity are high, and chemical stability is good, is more come
The most oil fields are widely used, but its density is higher, easily causes damage fracturing unit, and bauxite
Being national more precious mineral resources, the yield of high-grade bauxite ore is limited.
Domestic petroleum-gas fiedl, in drilling process, can utilize drilling mud the solid particles such as drilling cuttings and powder to be taken
Take ground to, by solid control equipment (equipment such as vibratory sieve, desander, desilter, centrifuge) by mud
In the formation material such as the drilling cuttings that is carried out separate from mud, these well drilling detritus being separated
And it is mixed in discarded slurry together, Drilling additives, petroleum-type, macromolecule organic, moisture and salt
Grade mixture, referred to as drilling well solid waste.The a large amount of brills produced in petroleum gas body recovery process
The simple air storage of well solid waste, not only land occupation, and poisonous, the You Haicheng in solid waste
Point also can welding, current China solid waste mud altogether and landwaste total amount reach a few billion cubic meter, anxious
Need to carry out environmentally friendlyization process, and carry out comprehensive utilization of resources.
Summary of the invention
It is an object of the invention to provide a kind of oil gas field environmental protection pressure break utilizing drilling well solid waste to prepare to prop up
Support agent, its compressive resistance is good, and resistant to breakage ability is strong, and density is low, and production cost is low, and can be fully sharp
With drilling well solid waste, turn waste into wealth, protect environment, save resource.
Another object of the present invention also resides in the preparation method providing a kind of oil gas field environmental protection fracturing propping agents.
Technical scheme is as follows:
A kind of oil gas field environmental protection fracturing propping agents, it is characterised in that have employed drilling well solid waste is raw material,
Described oil gas field environmental protection fracturing propping agents include by weight percentage: 20%-60% drilling well solid waste, 3
%-7% sand, 1%-5% iron smelting slag, 5%-8% portland cement, 6%-10% sulphate aluminium cement, 5
%-10% curing agent, manganese dioxide 2%-3%, 4%-6% sodium sulphate, 2%-5% brium carbonate, 5%-8% inhale
Water-expansible rubber particle, 0.5%-1% exciting agent, 0.4%-0.8% reinforcing agent, 0.2%-0.5% defoamer, 0.1
%-0.5% water reducer, 0.3%-0.6% size, 1.2%-1.5% sodium cellulose glycolate.
Wherein, described curing agent includes by weight percentage: 2%-7% flyash, 3%-8% kaolin,
The polyaluminium aluminum water solution 3%-5% of PDDA 5%-10%, 6wt% concentration,
Polyoxyethylene lauryl ether 0.1%-0.2%, hydrogen peroxide 2%-5%, sodium aluminate 4%-8%, calcium oxide 18%
-23%, sodium cellulose glycolate 5%-10%, sodium metasilicate 2%-10%, oxirane 10%-12%,
Dioxane 1%-3%, 8-hydroxyquinoline 0.5%-1.0%, ethylenediamine tetra-acetic acid 10%-15%, cellulose
Ether 5%-15%.
Described water reducer is at least one in polyamide, polycarboxylic acids, melamine.
Described PDDA is preferably 8%-10%, poly dimethyl allyl chlorination
The positive charge density of ammonium is high, and good water solubility, relative molecular mass is easily controllable, high effect nontoxic, by environment bar
Part impact is little, and it is strong to the adsorption bridging ability of the colloidal substance in drilling well solid waste, and flocculating effect is good,
And contribute to intergranular compact siro spinning technology.
Described manganese dioxide addition is preferably 2.5%-3%, and the most preferably 3%, titanium dioxide
Manganese may advantageously facilitate crystalline phase and generates, thus compression strength is improved, and it is big that manganese dioxide preferably employs manganese content
Add in 60% raw ore thing.
Described exciting agent is quick lime, and described size is paraffin.
Described reinforcing agent is Alumina gel, Ludox, phosphaljel or a combination thereof, described reinforcing agent energy
Cover at the surface of the particles, proppant can be made to be internally formed tiny reticulated bone support body, decrease in proppant
Space between portion's particle, makes to connect between particle more closely and firmly, reduces apparent density and the fall of proppant
The low percentage of damage of proppant.
Wherein, described sulphate aluminium cement be numbered 42.5MPa, 52.5MPa, 62.5MPa, 72.5MPa
Deng.
Further, described water reducer is preferably polyamide, and described reinforcing agent is preferably Ludox.
The curing agent that the present invention uses can improve the adhesive force between particles of aggregates, and solidification rate can rationally be controlled
System, contributes to obtaining the fracturing propping agents that performance is more stable, it is possible to make crushing of the fracturing propping agents obtained
Rate is relatively low, flow conductivity is higher, and improves the recovery ratio of oil and natural gas to a certain extent.
Fracturing propping agents of the present invention are owing to have employed water swelling rubber particle, in use, water swelling rubber
Grain becomes larger so that fracturing propping agents can supporting crack effectively, prevent it from closing.
Further, present invention also offers the preparation method of described oil gas field environmental protection fracturing propping agents, tool
Body step is as follows:
(1) get the raw materials ready:
Required raw material percentage by weight according to the rules is prepared；
(2) pretreatment process:
Drilling well solid waste containing moisture content is mixed sand, iron smelting slag, curing agent and portland cement,
After carrying out being mixed and stirred for uniformly, in stacking field, carry out natural curing, natural drying；
(3) drying and processing operation:
In employing, the mixed material in above-mentioned (2) step is carried out drying and processing by low temperature drying equipment, removes drilling well
Superficial water in solid waste and intermediary water, or etc. after mixed material natural drying in above-mentioned (2) step,
Lower one powder-grinding process is carried out when this mixed material can carry out grinding state；
(4) powder-grinding process:
When above-mentioned steps (3) dried mixed material milling equipment is milled down to 250 mesh-400 mesh, mix
The sodium sulphate of predetermined weight percentage, sulphate aluminium cement, manganese dioxide, brium carbonate, water swelling rubber
Agravic batch mixing stirring is carried out again after particle, defoamer, water reducer, size, sodium cellulose glycolate；
(5) balling-up operation:
Mixed material after above-mentioned steps (4) processes adds exciting agent and the reinforcing agent of predetermined weight percentage
After, again by preparing mixed material after the operations such as dry, grinding, batch mixing, this mixed material is put into into
In ball machine, using interval to spray into water smoke, when mother bulb occurs, interval is alternately added dry powder and water smoke, strictly
Control dry powder and the addition of water smoke and time, make mother bulb progressively reach the size of regulation；
(6) maintenance operation:
Mother bulb particle after balling-up, screens according to the screen cloth of certain specification, and qualified particle is put into foster
Protect workshop and carry out maintenance, after underproof particle enters pulverizer pulverizing, then put into participation balling-up in nodulizer.
The test data of the high-performance oil gas field environmental protection fracturing propping agents of the present invention is as follows:
1. particle diameter: 20-40 mesh
2. compression resistance: under the conditions of 52MPa and 69MPa, percentage of damage is less than 8%, meets domestic proppant standard
Requirement
3. density: 1.2g/cm3-1.4g/cm3
The most soaked turbidity is less than 30FTU
5. particle diameter circularity is about 0.9
6. acid-alkali-corrosive-resisting
Present invention have the advantage that
The compressive resistance of the high-performance oil gas field environmental protection fracturing propping agents that a, the present invention provide is good, has good
Resistant to breakage ability, bulk density is relatively low；
B, in use there is higher flow conductivity, can effectively be greatly enhanced in support fracturing crack
Permeability in crack, makes gas stream clear and coherent smooth, improves oil productivity, and fracturing propping agents are in aqueous fracturing fluid
Not only there is preferable dispersiveness, and carry the air bubble content in the aqueous fracturing fluid of these fracturing propping agents
Low；
C, there is the feature of acid-alkali-corrosive-resisting, excellent combination property, can be used for the oil fracturing of middle-deep well；
D, utilize drilling well solid waste preparation in, low-density and high-strength proppant, turn waste into wealth, protect
Environment, saves resource, it is achieved resource circulation utilization, beneficially sustainable economic development, and drilling well solid
Discarded object derives from petroleum-gas fiedl in drilling process, is used further to drill-well operation after being made into fracturing propping agents
Process has more preferable compatibility；
E, preparation method of the present invention easily realize, and raw material is readily available, small investment, and production cost is low, are suitable for
Large-scale production, has good practical prospect.
Detailed description of the invention
Embodiment 1:
The raw materials by weight of oil gas field environmental protection fracturing propping agents is as follows: 20% drilling well solid waste, 5
% sand, 5% iron smelting slag, 5% portland cement, 6% sulphate aluminium cement, 6% curing agent, dioxy
Change manganese 3%, 4% sodium sulphate, 2% brium carbonate, 8% water swelling rubber particle, 0.5% exciting agent, 0.4
% reinforcing agent, 0.2% defoamer, 0.5% water reducer, 0.6% size, 1.5% sodium cellulose glycolate；
The composition of wherein said curing agent includes by weight percentage: 7% flyash, 8% kaolin, poly-diformazan
Base diallyl ammonium chloride 10%, the polyaluminium aluminum water solution 4% of 6wt% concentration, polyoxyethylene laural base
Ether 0.15%, hydrogen peroxide 4%, sodium aluminate 5%, calcium oxide 19%, sodium cellulose glycolate 8%, inclined silicon
Acid sodium 6%, oxirane 10%, dioxane 1%, 8-hydroxyquinoline 1.0%, ethylenediamine tetra-acetic acid 12
%, cellulose ether 13%.
Preparation method: (1) gets the raw materials ready: required raw material percentage by weight according to the rules is prepared；(2) pretreatment
Operation: the drilling well solid waste containing moisture content is mixed sand, iron smelting slag, curing agent and silicate cement
Mud, after carrying out being mixed and stirred for uniformly, carries out natural curing, natural drying in stacking field；(3) at drying
Science and engineering sequence: in employing, the mixed material in above-mentioned (2) step is carried out drying and processing by low temperature drying equipment, removes
Superficial water in drilling well solid waste and intermediary water, or etc. mixed material in above-mentioned (2) step naturally dry
After dry, when this mixed material can carry out grinding state, carry out lower one powder-grinding process；(4) powder-grinding process:
When above-mentioned steps (3) dried mixed material milling equipment is milled down to 250 mesh-400 mesh, mix regulation
The sodium sulphate of percentage by weight, sulphate aluminium cement, manganese dioxide, brium carbonate, water swelling rubber particle,
Agravic batch mixing stirring is carried out again after defoamer, water reducer, size, sodium cellulose glycolate；(5) balling-up
Operation: add exciting agent and the enhancing of predetermined weight percentage in the mixed material after above-mentioned steps (4) processes
After agent, again by preparing mixed material after the operations such as dry, grinding, batch mixing, this mixed material is put into
In nodulizer, using interval to spray into water smoke, when mother bulb occurs, interval is alternately added dry powder and water smoke, sternly
Lattice control dry powder and the addition of water smoke and time, make mother bulb progressively reach the size of regulation；(6) maintenance operation:
Mother bulb particle after balling-up, screens according to the screen cloth of certain specification, and qualified particle is put into and cared the car
Between carry out maintenance, underproof particle enters after pulverizer pulverizes, then puts into participation balling-up in nodulizer.
Embodiment 2:
The raw materials by weight of oil gas field environmental protection fracturing propping agents is as follows: 50% drilling well solid waste, 6
% sand, 2% iron smelting slag, 6% portland cement, 8% sulphate aluminium cement, 9% curing agent, dioxy
Change manganese 3%, 6% sodium sulphate, 5% brium carbonate, 8% water swelling rubber particle, 1% exciting agent, 0.8%
Reinforcing agent, 0.2% defoamer, 0.1% water reducer, 0.5% size, 1.5% sodium cellulose glycolate；Institute
The curing agent stated includes by weight percentage: 6% flyash, 8% kaolin, poly dimethyl allyl chlorine
Change ammonium 10%, the polyaluminium aluminum water solution 5% of 6wt% concentration, polyoxyethylene lauryl ether 0.2%, double
Oxygen water 4%, sodium aluminate 8%, calcium oxide 22%, sodium cellulose glycolate 8%, sodium metasilicate 8%, ring
Oxidative ethane 12%, dioxane 3%, 8-hydroxyquinoline 1.0%, ethylenediamine tetra-acetic acid 10%, cellulose ether
15%.
Preparation method is ibid.
Embodiment 3:
The raw materials by weight of oil gas field environmental protection fracturing propping agents is as follows: 55% drilling well solid waste, 5
% sand, 4% iron smelting slag, 6% portland cement, 6% sulphate aluminium cement, 8% curing agent, dioxy
Change manganese 2%, 6% sodium sulphate, 5% brium carbonate, 8% water swelling rubber particle, 1% exciting agent, 0.4%
Reinforcing agent, 0.5% defoamer, 0.5% water reducer, 0.6% size, 1.5% sodium cellulose glycolate.Its
In, described curing agent includes by weight percentage: 7% flyash, 8% kaolin, poly dimethyl diene
Propyl ammonium chloride 9%, the polyaluminium aluminum water solution 5% of 6wt% concentration, polyoxyethylene lauryl ether 0.1%,
Hydrogen peroxide 3%, sodium aluminate 6%, calcium oxide 19%, sodium cellulose glycolate 9%, sodium metasilicate 8%,
Oxirane 10%, dioxane 2%, 8-hydroxyquinoline 1.0%, ethylenediamine tetra-acetic acid 15%, cellulose
Ether 10%.
Preparation method is ibid.
Claims (8)
1. oil gas field environmental protection fracturing propping agents, it is characterised in that have employed drilling well solid waste is raw material,
Described oil gas field environmental protection fracturing propping agents include by weight percentage: 20%-60% drilling well solid waste, 3
%-7% sand, 1%-5% iron smelting slag, 5%-8% portland cement, 6%-10% sulphate aluminium cement, 5
%-10% curing agent, manganese dioxide 2%-3%, 4%-6% sodium sulphate, 2%-5% brium carbonate, 5%-8% inhale
Water-expansible rubber particle, 0.5%-1% exciting agent, 0.4%-0.8% reinforcing agent, 0.2%-0.5% defoamer, 0.1
%-0.5% water reducer, 0.3%-0.6% size, 1.2%-1.5% sodium cellulose glycolate.
2. oil gas field environmental protection fracturing propping agents as claimed in claim 1, it is characterised in that described curing agent
Composition include by weight percentage: 2%-7% flyash, 3%-8% kaolin, poly dimethyl allyl
The polyaluminium aluminum water solution 3%-5% of ammonium chloride 5%-10%, 6wt% concentration, polyoxyethylene lauryl ether
0.1%-0.2%, hydrogen peroxide 2%-5%, sodium aluminate 4%-8%, calcium oxide 18%-23%, hydroxylmethyl cellulose
Element sodium 5%-10%, sodium metasilicate 2%-10%, oxirane 10%-12%, dioxane 1%-3%,
8-hydroxyquinoline 0.5%-1.0%, ethylenediamine tetra-acetic acid 10%-15%, cellulose ether 5%-15%.
3. the oil gas field environmental protection fracturing propping agents as described in claim 1-2 is arbitrary, it is characterised in that described
Water reducer is at least one in polyamide, polycarboxylic acids, melamine；Described exciting agent is quick lime；
Described reinforcing agent is Alumina gel, Ludox, phosphaljel or a combination thereof.
4. the oil gas field environmental protection fracturing propping agents as described in claim 1-3 is arbitrary, it is characterised in that described
PDDA be preferably 8%-10%, described manganese dioxide addition is preferably 2.5
%-3%.
5. the oil gas field environmental protection fracturing propping agents as described in claim 1-3 is arbitrary, it is characterised in that described
Water reducer be preferably polyamide, described reinforcing agent is preferably Ludox.
6. the preparation method of oil gas field environmental protection fracturing propping agents, it is characterised in that described method includes following
Step:
(1) get the raw materials ready:
Oil gas field environmental protection fracturing propping agents include by weight percentage: 20%-60% drilling well solid waste, 3
%-7% sand, 1%-5% iron smelting slag, 5%-8% portland cement, 6%-10% sulphate aluminium cement, 5
%-10% curing agent, manganese dioxide 2%-3%, 4%-6% sodium sulphate, 2%-5% brium carbonate, 5%-8% inhale
Water-expansible rubber particle, 0.5%-1% exciting agent, 0.4%-0.8% reinforcing agent, 0.2%-0.5% defoamer, 0.1
%-0.5% water reducer, 0.3%-0.6% size, 1.2%-1.5% sodium cellulose glycolate；Described solidification
The composition of agent includes by weight percentage: 2%-7% flyash, 3%-8% kaolin, poly dimethyl two allyl
The polyaluminium aluminum water solution 3%-5% of ammonium chloride 5%-10%, 6wt% concentration, polyoxyethylene laural base
Ether 0.1%-0.2%, hydrogen peroxide 2%-5%, sodium aluminate 4%-8%, calcium oxide 18%-23%, methylol are fine
Dimension element sodium 5%-10%, sodium metasilicate 2%-10%, oxirane 10%-12%, dioxane 1%-3%,
8-hydroxyquinoline 0.5%-1.0%, ethylenediamine tetra-acetic acid 10%-15%, cellulose ether 5%-15%.
(2) pretreatment process:
Drilling well solid waste containing moisture content is mixed sand, iron smelting slag, curing agent and portland cement,
After carrying out being mixed and stirred for uniformly, in stacking field, carry out natural curing, natural drying；
(3) drying and processing operation:
In employing, the mixed material in above-mentioned (2) step is carried out drying and processing by low temperature drying equipment, removes drilling well
Superficial water in solid waste and intermediary water, or etc. after mixed material natural drying in above-mentioned (2) step,
Lower one powder-grinding process is carried out when this mixed material can carry out grinding state；
(4) powder-grinding process:
When above-mentioned steps (3) dried mixed material milling equipment is milled down to 250 mesh-400 mesh, mix
The sodium sulphate of predetermined weight percentage, sulphate aluminium cement, manganese dioxide, brium carbonate, water swelling rubber
Agravic batch mixing stirring is carried out again after particle, defoamer, water reducer, size, sodium cellulose glycolate；
(5) balling-up operation:
Mixed material after above-mentioned steps (4) processes adds exciting agent and the reinforcing agent of predetermined weight percentage
After, again by preparing mixed material after the operations such as dry, grinding, batch mixing, this mixed material is put into into
In ball machine, using interval to spray into water smoke, when mother bulb occurs, interval is alternately added dry powder and water smoke, strictly
Control dry powder and the addition of water smoke and time, make mother bulb progressively reach the size of regulation；
(6) maintenance operation:
Mother bulb particle after balling-up, screens according to the screen cloth of certain specification, and qualified particle is put into foster
Protect workshop and carry out maintenance, after underproof particle enters pulverizer pulverizing, then put into participation balling-up in nodulizer.
7. the preparation method of oil gas field environmental protection fracturing propping agents as claimed in claim 6, it is characterised in that institute
The water reducer stated is preferably polyamide, and described reinforcing agent is preferably Ludox.
8. the preparation method of oil gas field environmental protection fracturing propping agents as claimed in claim 7, it is characterised in that
Described water reducer is at least one in polyamide, polycarboxylic acids, melamine；Described exciting agent is made a living
Lime；Described reinforcing agent is Alumina gel, Ludox, phosphaljel or a combination thereof.
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| CN110511736A (en) * | 2019-07-19 | 2019-11-29 | 北京融达环科新材料科技有限公司 | A kind of oil-filed fracturing propping agent and preparation method thereof of waste residue preparation after the oil removing using oily sludge |
| CN112080272A (en) * | 2020-09-24 | 2020-12-15 | 河南建筑材料研究设计院有限责任公司 | Petroleum fracturing propping agent and preparation method thereof |
| CN113957560A (en) * | 2021-10-26 | 2022-01-21 | 潍坊欣龙生物材料有限公司 | Preparation method of hair protein flame-retardant cellulose fiber |
| CN115141622A (en) * | 2021-03-31 | 2022-10-04 | 广东清大同科环保技术有限公司 | Preparation method of petroleum fracturing propping agent and petroleum fracturing propping agent |
| CN115873588A (en) * | 2022-11-30 | 2023-03-31 | 北京昆仑隆源石油开采技术有限公司 | Proppant and preparation method thereof |
| CN116283239A (en) * | 2023-03-16 | 2023-06-23 | 薛丹丹 | Ceramsite propping agent and preparation method thereof |
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| CN106833570B (en) * | 2017-01-06 | 2019-05-28 | 中国海洋石油集团有限公司 | A kind of suspension palliative and its preparation method and application |
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| CN115873588A (en) * | 2022-11-30 | 2023-03-31 | 北京昆仑隆源石油开采技术有限公司 | Proppant and preparation method thereof |
| CN115873588B (en) * | 2022-11-30 | 2024-02-27 | 北京昆仑隆源石油开采技术有限公司 | Propping agent and preparation method thereof |
| CN116283239A (en) * | 2023-03-16 | 2023-06-23 | 薛丹丹 | Ceramsite propping agent and preparation method thereof |
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