CN104962262A - Preparation method of novel high-strength plugging agent - Google Patents
Preparation method of novel high-strength plugging agent Download PDFInfo
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- CN104962262A CN104962262A CN201510262457.4A CN201510262457A CN104962262A CN 104962262 A CN104962262 A CN 104962262A CN 201510262457 A CN201510262457 A CN 201510262457A CN 104962262 A CN104962262 A CN 104962262A
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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
- C09K8/512—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
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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
- C09K8/5086—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- General Life Sciences & Earth Sciences (AREA)
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a preparation method of a novel high-strength plugging agent. The novel high-strength plugging agent is prepared from, 0.5 to 0.6 parts of a high-molecular polymer mother liquor, 0.05 to 0.20 parts of a crosslinking agent, 0.0 to 0.13 parts of a dispersant, 0.5 to 1.0 parts of a pH conditioning agent, 2.0 to 3.0 parts of a reinforcing agent, and 90 to 95 parts of water. The preparation method comprises following steps: the high-molecular polymer is subjected to continuous stirring at 45 to 50 DEG C, oil field purified waste water is added at a certain ratio, and an obtained mixture is subjected to stirring and aging for 2h; the reinforcing agent, the dispersant, and the pH conditioning agent are added at the above ratio successively, and an obtained mixed material is stirred for 30min; organic silicon resin is added at a certain ratio, and an obtained product is stirred for another 20min to be uniform so as to obtain the novel high-strength plugging agent. According to the method, one-pot method is adopted; technology is simple; operationality is high; the novel high-strength plugging agent is capable of forming water solidification bodies deep under the ground; effective period is long; high temperature resistance, salt resistance, adsorbability, thermal stability, and chemical stability are high; automatic degradation can be realized; and the novel high-strength plugging agent is suitable for water shut-off and profile control of high permeability reservoirs.
Description
Technical field
The present invention relates to a kind of novel high-strength blocking agent and preparation method, prepare the high strength blocking agent of the high temperature resistant salt tolerant having inorganic and organic respective advantage concurrently.
Background technology
The mode of production of current oil well blocking agent, adopts deionized water, some nitrogen protections or with reliever, some vacuum-drying, the production time is long, complex manufacturing, and schedule of operation is complicated, and blocking agent difficult quality controls, and has discharging of waste liquid, to environment generation pollution.And the production technique that this experiment adopts take tap water as solvent; react a step to complete, carry out smoothly in atmospheric conditions, without the need to nitrogen protection; without any discharge of poisonous waste in reaction process, production process and product use procedure meet safety and environmental requirement all completely.Improve in its over-all properties at the production cost reducing product simultaneously and also there is higher use value.
the content of invention
The object of this invention is to provide a kind of novel high-strength blocking agent and preparation method, the present invention is a kind of special technology of preparing of the novel high-strength blocking agent integrating organic system and inorganic system, synthesized matrix material is greatly improved in raising heat and salt resistance, adsorptivity and good thermostability and chemical stability, and has automatic Degradation.
Technical scheme of the present invention is achieved in the following ways:
The present invention includes massfraction formula and preparation method,
Described massfraction formula is:
High molecular polymer mother liquor: linking agent: dispersion agent: pH adjusting agent: toughener: water=0.5-0.6:0.05-0.20:0.0-0.13:0.5 ~ 1.0:2.0-3.0:90-95
Described high molecular polymer mother liquor is a kind of polyacrylamide solution; Described linking agent is silicone resin; Described dispersion agent is a kind of phosphoric acid salt; Described pH adjusting agent is a kind of mineral alkali; Described toughener is a kind of 2,3 valency metal-salts.
Described preparation method:
In described high molecular polymer mother liquor: linking agent: dispersion agent: pH adjusting agent: toughener: the concrete ratio of water=0.5-0.6:0.05-0.20:0.0-0.13:0.5 ~ 1.0:2.0-3.0:90-95, by under the condition of high molecular polymer uninterrupted stirring under 45 DEG C ~ 50 DEG C conditions, add oil field by a certain percentage to purify waste water, stir slaking 2 hours, add toughener by a certain percentage successively, dispersion agent, pH adjusting agent stirs 30 minutes, then silicone resin is added by a certain percentage, stir 20 minutes again, stir and be high strength blocking agent.Brown color frozen glue, viscosity 10 × 104mP.s.
The present invention compares with domestic and international prior art, and its main advantage is:
1, the synthesis of this product adopts " one kettle way ", and technique is simple, strong operability, changes the mode of production of this product of tradition; the mode of production in past, adopts deionized water, some nitrogen protections or with reliever; some vacuum-drying, the production time is long, complicated operation.
2, the water plugging and profile controlling of high permeable cement is applicable to.
3, adopt aqueous solution, polymkeric substance, alkali, inorganic particle are added to the water wiring solution-forming, add crosslinking accelerator and mix, form water-setting induration at earth formation deep, validity period is long.
4, high, the salt resistance of heatproof and adsorptivity is strong, thermostability and chemical stability high, and there is automatic Degradation.
Embodiment
The present invention includes massfraction formula and preparation method,
Described massfraction formula is
High molecular polymer mother liquor: linking agent: dispersion agent: pH adjusting agent: toughener: water=0.5-0.6:0.05-0.20:0.0-0.13:0.5 ~ 1.0:2.0-3.0:90-95.
Described preparation method:
In described high molecular polymer mother liquor: linking agent: dispersion agent: pH adjusting agent: toughener: the concrete ratio of water=0.5-0.6:0.05-0.20:0.0-0.13:0.5 ~ 1.0:2.0-3.0:90-95, by under the condition of high molecular polymer uninterrupted stirring under 45 DEG C ~ 50 DEG C conditions, add oil field by a certain percentage to purify waste water, stir slaking 2 hours, add toughener by a certain percentage successively, dispersion agent, pH adjusting agent stirs 30 minutes, then silicone resin is added by a certain percentage, stir 20 minutes again, stir and be high strength blocking agent.
example 1,
In described high molecular polymer mother liquor: linking agent: dispersion agent: pH adjusting agent: toughener: the concrete ratio of water=0.6:0.07:0.4:0.5:2.2:90, by under the condition of high molecular polymer uninterrupted stirring under 45 DEG C ~ 50 DEG C conditions, add oil field by a certain percentage to purify waste water, stir slaking 2 hours, add toughener by a certain percentage successively, dispersion agent, pH adjusting agent stir 30 minutes, then silicone resin is added by a certain percentage, stir 20 minutes again, stir and be high strength blocking agent.
Example 2,
In described high molecular polymer mother liquor: linking agent: dispersion agent: pH adjusting agent: toughener: the concrete ratio of water=0.6:0.20:0.13:1.0:3.0:95, by under the condition of high molecular polymer uninterrupted stirring under 45 DEG C ~ 50 DEG C conditions, add oil field by a certain percentage to purify waste water, stir slaking 2 hours, add toughener by a certain percentage successively, dispersion agent, pH adjusting agent stir 30 minutes, then silicone resin is added by a certain percentage, stir 20 minutes again, stir and be high strength blocking agent.
Embody rule
According to high strength blocking agent performance, have selected ST3-10-08 well and carried out profile control test.The construction of ST3-10-08 well profile modification adopts 1400m
3blocking agent, before profile control, oil pressure is 7.9MPa, and operation pressure rises to 12.1MPa, maintains 9.8MPa after profile control.After the profile control of ST3-10-08 wellblock, the moisture of corresponding oil well drops to 93.6% by 96%, and oil mass rises to 34.5t/d by 29.3t/d, at present the oily 465t of accumulative increasing.
Claims (3)
1. a novel high-strength blocking agent, its massfraction formula is:
High molecular polymer mother liquor: linking agent: dispersion agent: pH adjusting agent: toughener: water=0.5-0.6:0.05-0.20:0.0-0.13:0.5 ~ 1.0:2.0-3.0:90-95.
2. a kind of novel high-strength blocking agent according to claim 1, it is characterized in that: described high molecular polymer mother liquor, is a kind of polyacrylamide solution; Described linking agent is silicone resin; Described dispersion agent is a kind of phosphoric acid salt; Described pH adjusting agent is a kind of mineral alkali; Described toughener is a kind of 2,3 valency metal-salts.
3. the preparation method of a novel high-strength blocking agent, it is characterized in that: in described high molecular polymer mother liquor: linking agent: dispersion agent: pH adjusting agent: toughener: the concrete ratio of water=0.5-0.6:0.05-0.20:0.0-0.13:0.5 ~ 1.0:2.0-3.0:90-95, by under the condition of high molecular polymer uninterrupted stirring under 45 DEG C ~ 50 DEG C conditions, add oil field by a certain percentage to purify waste water, stir slaking 2 hours, add toughener by a certain percentage successively, dispersion agent, pH adjusting agent stirs 30 minutes, then silicone resin is added by a certain percentage, stir 20 minutes again, stir and be high strength blocking agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510262457.4A CN104962262A (en) | 2015-05-22 | 2015-05-22 | Preparation method of novel high-strength plugging agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510262457.4A CN104962262A (en) | 2015-05-22 | 2015-05-22 | Preparation method of novel high-strength plugging agent |
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| CN104962262A true CN104962262A (en) | 2015-10-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590559A (en) * | 2016-12-02 | 2017-04-26 | 长江大学 | Thickened oil thermal production channel blocking nano-composite gel |
| CN109233757A (en) * | 2018-10-20 | 2019-01-18 | 石家庄华莱鼎盛科技有限公司 | Drilling fluid sealing agent methyl silicon resin quasi polymer and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046344A (en) * | 2013-03-13 | 2014-09-17 | 中国石油天然气股份有限公司 | Oilfield water injection movable gel plugging agent |
-
2015
- 2015-05-22 CN CN201510262457.4A patent/CN104962262A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046344A (en) * | 2013-03-13 | 2014-09-17 | 中国石油天然气股份有限公司 | Oilfield water injection movable gel plugging agent |
Non-Patent Citations (1)
| Title |
|---|
| 卢冲，等: "斯库勒油田N1- N2调剖堵剂配方选择", 《内蒙古石油化工》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106590559A (en) * | 2016-12-02 | 2017-04-26 | 长江大学 | Thickened oil thermal production channel blocking nano-composite gel |
| CN106590559B (en) * | 2016-12-02 | 2019-05-17 | 长江大学 | The nano combined frozen glue of heavy oil thermal recovery fleeing proof |
| CN109233757A (en) * | 2018-10-20 | 2019-01-18 | 石家庄华莱鼎盛科技有限公司 | Drilling fluid sealing agent methyl silicon resin quasi polymer and preparation method thereof |
| CN109233757B (en) * | 2018-10-20 | 2019-09-06 | 石家庄华莱鼎盛科技有限公司 | Drilling fluid sealing agent methyl silicon resin quasi polymer and preparation method thereof |
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