CN107858142A - A kind of coal-fired waste residue profile control agent and preparation method thereof - Google Patents
A kind of coal-fired waste residue profile control agent and preparation method thereof Download PDFInfo
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- CN107858142A CN107858142A CN201711171938.XA CN201711171938A CN107858142A CN 107858142 A CN107858142 A CN 107858142A CN 201711171938 A CN201711171938 A CN 201711171938A CN 107858142 A CN107858142 A CN 107858142A
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- coal
- waste residue
- profile control
- control agent
- fired waste
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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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/514—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
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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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
Abstract
The present invention relates to a kind of oil field profile control agent and preparation method thereof, more particularly to a kind of coal-fired waste residue profile control agent and preparation method thereof.The composition and component of described coal-fired waste residue profile control agent are as follows：Coal-fired waste residue, 40 50 parts；Thickener, 8 12 parts；Dispersant, 35 parts；PH adjusting agent, 13 parts；Water, 90 100 parts.Wherein, thickener is one kind in xanthic acid, sodium alginate and bentonite, and dispersant is one kind in lignin salt, polycarboxylate and phosphate, and pH adjusting agent is one kind in citric acid, sorbic acid and oxalic acid.The coal-fired waste residue profile control agent of the present invention has the characteristics of stability is good, and plugging strength is high, and flushing resistance is good, can meet the profile control demand of different wells；Problem of environmental pollution caused by the present invention effectively solves row outside coal-fired discarded object and filled simultaneously, has obvious economic benefit and social benefit.Therefore, present invention is generally applicable in coal-fired waste residue recycling treatment and the water plugging and profile controlling technique of oil-water well.
Description
Technical field
The present invention relates to a kind of oil field profile control agent and preparation method thereof, more particularly to a kind of coal-fired waste residue profile control agent and its
Preparation method.
Background technology
The mode to be generated electricity using the chemical fuel such as coal, oil and natural gas contained energy is referred to as thermal power generation, in China
Because coal resources are compared with horn of plenty, it is most important thermal power generation mode to be generated electricity using coal resources, although thermal power generation function
It is stable, but existing much needs us constantly to go to solve the problems, such as：Such as resource consumes excessively, resource utilization is extremely low, right
Environment causes greatly to pollute；
Wherein because coal fuel source fuel is insufficient, some cinder residues are had.Current most of heat power stations
In order to save processing cost, cost payout is reduced, directly pours into cinder residue in rivers, or directly will with land-fill method
Cinder fills, although can also grow some weeds on the soil after landfill, the cinder layer essence of deep layer is constant, is still coal
Slag residue, it can not change, and the invasion and attack script soil that cinder residual can all the year round, cause script soil constituent, soil texture
It is seriously damaged.
Cinder residue land-fill method not only breaks up soil, can also serious polluted source, containing many in cinder residue
Harmful substance, harmful substance mixes as water flows with underground water source in cinder residue during rainy day, influences water source, grow this with
Past, the life of the mankind must be affected.Therefore it is the object that the present invention studies regarding to the issue above.
Oil field water injection well during water flooding recovery generally carries out plugging and profile con-trol to improve involving for water filling using profile control agent
Volume, so as to improve the oil recovery factor of oil reservoir.Currently used profile control agent is polymer, but such profile control agent not only has
Cost of investment is high, and the problem of follow-up shipwreck is to handle be present.
The content of the invention
The shortcomings that in order to overcome above-mentioned prior art, it is an object of the invention to provide a kind of coal-fired waste residue profile control agent and its
Preparation method, the coal-fired waste residue profile control agent is using caused various coal-fired discarded objects during the coal burning in thermal power plant as base
Plinth raw material, it is prepared by adding various reagents.The present invention not only meets the needs of Profile Control in Injection Well, while effective drop
Low environmental pollution, so as to solve arranged outside coal-fired discarded object for a long time and landfill caused by problem of environmental pollution.
An object of the present invention discloses a kind of coal-fired waste residue profile control agent, it is characterised in that described coal-fired waste residue is adjusted
Composition and the component for cuing open agent are as follows：
Preferably, the composition of the coal-fired waste residue profile control agent and component are as follows：
The particle diameter of described coal-fired waste residue is 50-200 mesh.
Described thickener is one kind in xanthic acid, sodium alginate and bentonite.
Described dispersant is one kind in lignin salt, polycarboxylate and phosphate.
Described pH adjusting agent is one kind in citric acid, sorbic acid and oxalic acid.
Another object of the present invention discloses a kind of preparation method of coal-fired waste residue profile control agent, comprises the following steps：
(1) thickener of above-mentioned number is added in the coal-fired waste residue of above-mentioned number, stirred, mixing speed is
400-500rpm, mixing time 50-60min, makes thickener be evenly distributed in coal-fired waste residue, obtains the fire coal containing thickener
Waste residue；
(2) dispersant of above-mentioned number is added in the aqueous solution of above-mentioned number, heated while stirring, heating-up temperature is
35-40 DEG C, mixing speed 200-300rpm, mixing time 30-40min, make dispersant dissolving in aqueous, contained
The aqueous solution of dispersant；
(3) pH adjusting agent of above-mentioned number is added in the aqueous solution containing dispersant, heated while stirring, heating-up temperature
For 40-45 DEG C, mixing speed 300-400rpm, mixing time 20-30min, pH value is obtained in neutral containing dispersant
The aqueous solution；
(4) the above-mentioned coal-fired waste residue containing thickener is added in the aqueous solution containing dispersant of the pH value in neutrality, Bian Jia
Hot side stirring, heating-up temperature is 45-60 DEG C, mixing speed 500-800rpm, mixing time 20-30min, obtains profile control
Agent.
Compared with prior art, the invention has the advantages that and beneficial effect：
(1) raw material sources of coal-fired waste residue profile control agent of the invention are extensive, are easily obtained, cost is cheap；
(2) coal-fired waste residue profile control agent preparation technology of the invention is simple, workable, and it is low to prepare cost；
(3) coal-fired waste residue profile control agent of the invention has that stability is good, and plugging strength is high, the good spy of flushing resistance
Point, the profile control demand of different wells can be met；
(4) problem of environmental pollution caused by the present invention effectively solves row outside coal-fired discarded object and filled, has obvious
Economic benefit and social benefit.
Embodiment
With reference to specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in
This：
Embodiment 1
A kind of coal-fired waste residue profile control agent, its composition and component are as follows：
A kind of preparation method of coal-fired waste residue profile control agent, comprises the following steps：
(1) 8 parts of xanthic acid is added in 40 coal-fired waste residue, stirred, mixing speed 400rpm, during stirring
Between be 50min, thickener xanthic acid is evenly distributed in coal-fired waste residue, obtain the coal-fired waste residue of the xanthic acid containing thickener；
(2) 3 parts of lignin salt is added in 90 parts of the aqueous solution, heated while stirring, heating-up temperature is 35 DEG C, is stirred
It is 200rpm, mixing time 30min to mix speed, makes the dissolving of dispersant lignin salt in aqueous, is obtained containing dispersant wood
The aqueous solution of quality salt；
(3) 1 part of pH adjusting agent citric acid is added in the aqueous solution of the lignin salt containing dispersant, stirred in heating
Mix, heating-up temperature is 40 DEG C, mixing speed 300rpm, mixing time 20min, obtains pH value in neutral containing dispersant wood
The aqueous solution of quality salt；
(4) the above-mentioned coal-fired waste residue containing thickener is added in the aqueous solution containing dispersant of the pH value in neutrality, Bian Jia
Hot side stirring, heating-up temperature is 45 DEG C, mixing speed 500rpm, mixing time 20min, obtains profile control agent A.
Embodiment 2
A kind of coal-fired waste residue profile control agent, its composition and component are as follows：
A kind of preparation method of coal-fired waste residue profile control agent, comprises the following steps：
(1) 10 parts of sodium alginate is added in 45 parts of coal-fired waste residue, stirred, mixing speed 450rpm,
Mixing time is 55min, thickener sodium alginate is evenly distributed in coal-fired waste residue, obtains the combustion of the sodium alginate containing thickener
Coal waste residue；
(2) 4 parts of polycarboxylate is added in 95 parts of the aqueous solution, heated while stirring, heating-up temperature is 38 DEG C, is stirred
It is 260rpm, mixing time 35min to mix speed, makes dispersant polycarboxylate dissolving in aqueous, obtains gathering containing dispersant
The aqueous solution of carboxylate；
(3) 2 parts of pH adjusting agent sorbic acid is added in the aqueous solution containing dispersant polycarboxylate, stirred in heating
Mix, heating-up temperature is 43 DEG C, mixing speed 380rpm, mixing time 23min, obtains pH value and gathers in neutral containing dispersant
The aqueous solution of carboxylate；
(4) the above-mentioned coal-fired waste residue containing thickener is added in the aqueous solution containing dispersant of the pH value in neutrality, Bian Jia
Hot side stirring, heating-up temperature is 48 DEG C, mixing speed 600rpm, mixing time 26min, obtains profile control agent B.
Embodiment 3
A kind of coal-fired waste residue profile control agent, its composition and component are as follows：
A kind of preparation method of coal-fired waste residue profile control agent, comprises the following steps：
(1) 12 parts of bentonite is added in 50 parts of coal-fired waste residue, stirred, mixing speed 500rpm, stirred
It is 60min to mix the time, thickener bentonite is evenly distributed in coal-fired waste residue, is obtained bentonitic coal-fired useless containing thickener
Slag；
(2) 5 parts of phosphate is added in 100 parts of the aqueous solution, heated while stirring, heating-up temperature is 40 DEG C, is stirred
It is 300rpm, mixing time 40min to mix speed, makes the dissolving of dispersant phosphate in aqueous, obtains phosphoric acid containing dispersant
The aqueous solution of salt；
(3) 3 parts of pH adjusting agent oxalic acid is added to containing in the phosphatic aqueous solution of dispersant, heats while stirring, add
Hot temperature is 45 DEG C, mixing speed 400rpm, mixing time 30min, obtains pH value in neutral phosphate containing dispersant
The aqueous solution；
(4) the above-mentioned coal-fired waste residue containing thickener is added in the aqueous solution containing dispersant of the pH value in neutrality, Bian Jia
Hot side stirring, heating-up temperature is 60 DEG C, mixing speed 800rpm, mixing time 30min, obtains profile control agent C.
Embodiment 4
After above-mentioned coal-fired waste residue profile control agent A is applied in certain oil field water well K12-10 wells, water injection pressure is by preflood
2.5MPa rises to 10.3MPa after injection, and pressure improves 7.8MPa, illustrates to serve effective plugging action.Profile control has
The effect phase is 462d, and 5680 tons of incremental oil production, field test results are good.
Embodiment 5
After above-mentioned coal-fired waste residue profile control agent B is applied in certain oil field water well K12-12 wells, water injection pressure is by preflood
3.2MPa rises to 11.2MPa after injection, and pressure improves 8.0MPa, illustrates to serve effective plugging action.Profile control has
The effect phase is 560d, and 7653 tons of incremental oil production, field test results are good.
Embodiment 6
After above-mentioned coal-fired waste residue profile control agent C is applied in certain oil field water well K12-18 wells, water injection pressure is by preflood
3.0MPa rises to 12.3MPa after injection, and pressure improves 9.3MPa, illustrates to serve effective plugging action.Profile control has
The effect phase is 612d, and 9865 tons of incremental oil production, field test results are good.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of coal-fired waste residue profile control agent, it is characterised in that the composition and component of described coal-fired waste residue profile control agent are as follows：
2. coal-fired waste residue profile control agent according to claim 1, it is characterised in that the particle diameter of described coal-fired waste residue is 50-
200 mesh.
3. coal-fired waste residue profile control agent according to claim 1 or 2, it is characterised in that described thickener is xanthic acid, sea
One kind in mosanom and bentonite.
4. coal-fired waste residue profile control agent according to claim 1 or 2, it is characterised in that described dispersant be lignin salt,
One kind in polycarboxylate and phosphate.
5. coal-fired waste residue profile control agent according to claim 1 or 2, it is characterised in that described pH adjusting agent be citric acid,
One kind in sorbic acid and oxalic acid.
6. a kind of preparation method of coal-fired waste residue profile control agent, it is characterised in that described preparation method specifically includes following steps：
(1) thickener of above-mentioned number is added in the coal-fired waste residue of above-mentioned number, stirred, mixing speed 400-
500rpm, mixing time 50-60min, makes thickener be evenly distributed in coal-fired waste residue, obtains the fire coal containing thickener and gives up
Slag；
(2) dispersant of above-mentioned number is added in the aqueous solution of above-mentioned number, heated while stirring, heating-up temperature 35-40
DEG C, mixing speed 200-300rpm, mixing time 30-40min, make dispersant dissolving in aqueous, obtain containing scattered
The aqueous solution of agent；
(3) pH adjusting agent of above-mentioned number is added in the aqueous solution containing dispersant, heated while stirring, heating-up temperature is
40-45 DEG C, mixing speed 300-400rpm, mixing time 20-30min, pH value is obtained in the neutral water containing dispersant
Solution；
(4) the above-mentioned coal-fired waste residue containing thickener is added in the aqueous solution containing dispersant of the pH value in neutrality, in heating
Stirring, heating-up temperature are 45-60 DEG C, mixing speed 500-800rpm, mixing time 20-30min, obtain profile control agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171938.XA CN107858142A (en) | 2017-11-22 | 2017-11-22 | A kind of coal-fired waste residue profile control agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711171938.XA CN107858142A (en) | 2017-11-22 | 2017-11-22 | A kind of coal-fired waste residue profile control agent and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107858142A true CN107858142A (en) | 2018-03-30 |
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| CN201711171938.XA Withdrawn CN107858142A (en) | 2017-11-22 | 2017-11-22 | A kind of coal-fired waste residue profile control agent and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278547A (en) * | 1999-06-19 | 2001-01-03 | 张瑾 | Profile control reservoir oil displacing agent |
| CN1587637A (en) * | 2004-07-05 | 2005-03-02 | 卢祥国 | Use of modified flyash as profile control agent |
| CN101451061A (en) * | 2008-12-30 | 2009-06-10 | 山东大学 | Sand consolidation and water plugging profile control agent made by oil sand |
| CN103965848A (en) * | 2014-04-29 | 2014-08-06 | 中国石油大学(华东) | Composite profile control agent and preparation method thereof |
| CN105368425A (en) * | 2015-12-07 | 2016-03-02 | 中国石油天然气股份有限公司 | Oil well profile control agent and preparation therefor and application thereof |
| CN106967400A (en) * | 2017-03-08 | 2017-07-21 | 中国石油天然气股份有限公司 | A kind of slug formula oily sludge base profile modificator and profile control method and application |
| CN107313758A (en) * | 2017-09-04 | 2017-11-03 | 中国石油化工股份有限公司华东油气分公司泰州采油厂 | A kind of transfer drive method for improving oil recovery rate |
-
2017
- 2017-11-22 CN CN201711171938.XA patent/CN107858142A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278547A (en) * | 1999-06-19 | 2001-01-03 | 张瑾 | Profile control reservoir oil displacing agent |
| CN1587637A (en) * | 2004-07-05 | 2005-03-02 | 卢祥国 | Use of modified flyash as profile control agent |
| CN101451061A (en) * | 2008-12-30 | 2009-06-10 | 山东大学 | Sand consolidation and water plugging profile control agent made by oil sand |
| CN103965848A (en) * | 2014-04-29 | 2014-08-06 | 中国石油大学(华东) | Composite profile control agent and preparation method thereof |
| CN105368425A (en) * | 2015-12-07 | 2016-03-02 | 中国石油天然气股份有限公司 | Oil well profile control agent and preparation therefor and application thereof |
| CN106967400A (en) * | 2017-03-08 | 2017-07-21 | 中国石油天然气股份有限公司 | A kind of slug formula oily sludge base profile modificator and profile control method and application |
| CN107313758A (en) * | 2017-09-04 | 2017-11-03 | 中国石油化工股份有限公司华东油气分公司泰州采油厂 | A kind of transfer drive method for improving oil recovery rate |
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Application publication date: 20180330 |
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