CN102732235A - Preparation method for suspension polymer - Google Patents
Preparation method for suspension polymer Download PDFInfo
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- CN102732235A CN102732235A CN2012102188571A CN201210218857A CN102732235A CN 102732235 A CN102732235 A CN 102732235A CN 2012102188571 A CN2012102188571 A CN 2012102188571A CN 201210218857 A CN201210218857 A CN 201210218857A CN 102732235 A CN102732235 A CN 102732235A
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Abstract
The invention relates to a preparation method for a suspension polymer. The preparation method comprises: adding an additive to polymer dry powder to form a uniform and stable suspension polymer, wherein the suspension polymer is applicable for oilfield water shutoff profile modification construction. The preparation steps comprise: adding a wetting agent to polymer dry powder with a particle size of 80-150 meshes; uniformly stirring at a stirring speed of 50-70 rotations per minute, and sequentially adding a dispersing agent, white oil, and a stabilizer while continuously stirring; and continuously stirring for 0.5-1.5 hours at the same stirring speed to obtain the suspension polymer. The preparation method of the present invention has the following characteristics that: the polymer dry powder is liquefied; the online profile modification is achieved; the operation is simple; the preparation is convenient; the labor intensity is low; the well site pollution is low; energy saving and consumption reducing are achieved; the construction cost is low; the metering is precise; the error of the preparation concentration is low; adverse factors on on-site operator health are reduced; the fish-eye is not easily generated; the polymer waste is reduced; aeration oxygen degradation of the polymer is eliminated; the solution quality and the profile modification implementation effects are ensured; and the like. In addition, the preparation method of the present invention is widely applicable for oilfield water shutoff profile modification processes.
Description
Technical field
The present invention relates in the oil-field development compound method, particularly a kind of compound method of suspension polymer with polymer dry powder or cross-linked polymer gel and pre-crosslinking polymer gel.
Background technology
At present, in the Water in Water Shutoff in Oil Field profile control, using maximum amendments is polymer dry powder.As amendment; Polymer dry powder has been brought into play vital role; But it exists following shortcoming or deficiency simultaneously: 1. the dissolving of polymer dry powder needs dispersive jet device, dissolving vessel, whisking appliance; Also need pump truck or profile control pump to inject after preparing, equipment is big and heavy, complex process, equipment is many, floor space is big; 2. measure extensive, labor intensity of operating staff is big; 3. the working-yard environmental pollution is big, equipment is big to polymkeric substance shear degradation effect; 4. running cost is high, and power consumption is big; " flake " that conglomeration is often arranged in the polymers soln that
prepared; Cause the polymkeric substance waste; Both influence the injection of polymers soln, caused reservoir choke again.
polymer powder is prone to fly upward, site operation personnel's health is worked the mischief.
Summary of the invention
The compound method that the purpose of this invention is to provide a kind of suspension polymer; Be employed in and add wetting agent, dispersion agent, white oil, stablizer in the polymer dry powder, general polymer is heavily processed, be prepared into the method for more stable suspension polymer; Avoid effectively or overcome shortcoming or the deficiency that exists in the above-mentioned prior art; Reach online profile control, improve the oil reservoir nonuniformity, the purpose of oil increasing precipitation.
The compound method of suspension polymer of the present invention is included in and adds additive in the polymer dry powder, makes it form evenly, stablize, be convenient to the suspension polymer of Water in Water Shutoff in Oil Field profile control construction.Its preparation steps is following: in 80-150 purpose polymers dry powder, add wetting agent earlier; After stirring under 50-70 rev/min the stirring velocity; Continuing to add dispersion agent, white oil, stablizer more successively under the stirring; Under above-mentioned stirring velocity, continue to stir 0.5-1.5 hour, obtain suspension polymer.
Wherein, said polymer dry powder is SEPIGEL 305 dry powder or pre-crosslinked gel dry powder, and its weight part is 30-50 part; Said wetting agent is the mixture of alcohol, and its weight part is 20-40 part; Said dispersion agent is a lipophilic surfactant, and its weight part is 10-20 part; Said white oil is the 15# white oil, and its proportion is that weight part is 10-20 part; Said stablizer is an inorganic additive, and its weight part is 0-10 part; The mixture of said alcohol is the mixture of USP Kosher, terepthaloyl moietie, Virahol, and its ratio is a USP Kosher: terepthaloyl moietie: Virahol=1:2:12; Said lipophilic surfactant is polysorbate60, tween 80, T 46155 dioleate, TEG monoleate, TEG monoleate.Said inorganic additive is SODIUM PHOSPHATE, MONOBASIC, potassium hydrogenphosphate, silicon bath soil.Said SEPIGEL 305 dry powder is not board product of Shengli Oil real estate 80-150 purpose treasured.
The present invention has following advantage compared with prior art:
1, polymer dry powder is realized fluidization, realized online profile control;
2, online profile control is simple to operate, preparation is convenient, and labour intensity is low;
3, the well site pollution is little, and energy-saving and cost-reducing, executive cost is low;
4, through the pump metering, metering is accurate, and the compound concentration error is little;
5, reduced healthy adverse factors to the site operation personnel;
6, be difficult for forming " flake ", thereby reduced the waste of polymkeric substance;
7, online profile control has been avoided contacting with airborne oxygen of polymers soln, has eliminated the sudden and violent oxygen degraded of polymkeric substance, has guaranteed solution quality, has guaranteed the profile control implementation result.
Embodiment
A kind of compound method of suspension polymer is included in and adds additive in the polymer dry powder, makes it form suspension polymer even, stable, that be convenient to the construction of Water in Water Shutoff in Oil Field profile control.Preparation steps is following: in 80-150 purpose polymers dry powder, add wetting agent earlier; After stirring under 50-70 rev/min the stirring velocity; Continuing to add dispersion agent, white oil, stablizer more successively under the stirring; Under above-mentioned stirring velocity, continue to stir 0.5-1.5 hour, obtain suspension polymer.
Polymer dry powder is SEPIGEL 305 dry powder or pre-crosslinked gel dry powder, and its weight part is 30-50 part; Wetting agent is the mixture of alcohol, and its weight part is 20-40 part; Dispersion agent is a lipophilic surfactant, and its weight part is 10-20 part; White oil is the 15# white oil, and its weight part is 10-20 part; Stablizer is an inorganic additive, and its weight part is 0-10 part; The mixture of alcohol is the mixture of USP Kosher, terepthaloyl moietie, Virahol, and its ratio is a USP Kosher: terepthaloyl moietie: Virahol=1:2:12; Lipophilic surfactant is polysorbate60, tween 80, T 46155 dioleate, TEG monoleate, TEG monoleate.Inorganic additive is SODIUM PHOSPHATE, MONOBASIC, potassium hydrogenphosphate, silicon bath soil.SEPIGEL 305 dry powder is not board product of Shengli Oil real estate 80-150 purpose treasured.
In the actual production, suspension polymer is injected in the oil-field flooding pipeline, is the suspension polymer aqueous solution, concentration is at 500-10000mg/l, and both injection of polymer solution separately also can add linking agent and form cross-linked polymer gel.When injecting interpolation linking agent formation cross-linked polymer gel; With suspension polymer and linking agent XL-2 (Shengli Oil Field production; Be used for cross-linked polymer solution, make it form cross-linked polymer gel) pump into waterflood-transmission line respectively, be mixed with the cross-linked polymer solution injection stratum of polymer concentration 3000mg/L and crosslinker concentration 800mg/L through static mixer; Under FT, slowly become glue, form the purpose that cross-linked polymer gel reaches water plugging and profile controlling.
Be applicable to the oil reservoir that injects cross-linked polymer gel: temperature is not higher than 90 ℃, and salinity is lower than 50000mg/l, and calcium ions and magnesium ions concentration is lower than 3000mg/l, and viscosity of crude is lower than 200mPa.s, rate of permeation 200 * 10
-3μ m
2～20000 * 10
-3μ m
2
Following is specific embodiment:
Embodiment 1:
Get 80-150 order, weight part and be 50 parts treasured not SEPIGEL 305 dry powder in beaker; Adding weight part is the mixture of 40 parts alcohol: USP Kosher, terepthaloyl moietie, Virahol three part by weight are 1:2:12; After stirring with 70 rev/mins stirring velocitys; Continuing under the stirring, adding weight part successively is 20 parts tween 80, the 15# white oil that weight part is 20 parts, the silicon bath soil that weight part is 10 parts, under above-mentioned stirring velocity; Continue to stir 1 hour, obtaining weight part is 140 parts of suspension polymers again.
Embodiment 2:
Getting weight part is 40 parts, SEPIGEL 305 dry powder is not in reaction kettle for 80-150 order treasured, and the adding weight part is 30 parts a alcohol mixture: USP Kosher, terepthaloyl moietie, Virahol three part by weight are 1:2:12.After stirring with 70 rev/mins stirring velocitys; The tween 80, the weight part that under continue stirring, add weight part successively and be 15 parts are that 15 parts of 15# white oils, weight part are 5 parts SODIUM PHOSPHATE, MONOBASIC; Under above-mentioned stirring velocity; Continue to stir 0.5 hour, obtaining weight part is 105 parts of suspension polymers again.
Embodiment 3:
Get weight part and be 30 parts, 80-150 order pre-crosslinked gel dry powder in reaction kettle; Adding weight part is 20 parts of alcohol mixtures: USP Kosher, terepthaloyl moietie, Virahol three part by weight are 1:2:12; With 70 rev/mins stirring velocitys evenly after, continue to stir that to add weight part successively down be 10 parts tween 80, the 15# white oil that weight part is 10 parts, under above-mentioned stirring velocity; Continue again to stir 1.2 hours, obtain 70 parts of suspension polymers.
Embodiment 4:
Get weight part and be 35 parts, 80-150 order pre-crosslinked gel dry powder in reaction kettle in; The adding weight part is 25 parts a alcohol mixture: USP Kosher, terepthaloyl moietie, Virahol three part by weight are 1:2:12; After stirring with 65 rev/mins stirring velocitys, to add the silicon bath that weight part is 12 parts tween 80,15# white oil that weight part is 12 parts, weight part is 3 parts down successively native continuing to stir, under above-mentioned stirring velocity; Continue again to stir 1 hour, obtain 87 parts suspension polymer.
Embodiment 5:
Get weight part and be 45 parts, 80-150 order treasured not SEPIGEL 305 dry powder in reaction kettle; The adding weight part is 35 parts a alcohol mixture: USP Kosher, terepthaloyl moietie, Virahol three part by weight are 1:2:12; After stirring with 50 rev/mins stirring velocitys; Continuing to add weight part successively under the stirring is 18 parts TEG monoleate, the 15# white oil that weight part is 16 parts, the potassium hydrogenphosphate that weight part is 8 parts; Under above-mentioned stirring velocity, continue again to stir 1.5 hours, obtain 122 parts suspension polymer.
Claims (6)
1. the compound method of a suspension polymer; Be included in and add additive in the polymer dry powder; Make it form suspension polymer even, stable, that be convenient to the construction of Water in Water Shutoff in Oil Field profile control; It is characterized in that preparation steps is following: in 80-150 purpose polymers dry powder, add wetting agent earlier, after stirring under 50-70 rev/min the stirring velocity, continuing to add dispersion agent, white oil, stablizer more successively under the stirring; Under above-mentioned stirring velocity, continue to stir 0.5-1.5 hour, obtain suspension polymer.
2. the compound method of suspension polymer according to claim 1 is characterized in that said polymer dry powder is SEPIGEL 305 dry powder or pre-crosslinked gel dry powder, and its weight part is 30-50 part; Said wetting agent is the mixture of alcohol, and its weight part is 20-40 part; Said dispersion agent is a lipophilic surfactant, and its weight part is 10-20 part; Said white oil is the 15# white oil, and its weight part is 10-20 part; Said stablizer is an inorganic additive, and its weight part is 0-10 part.
3. the compound method of suspension polymer according to claim 2, the mixture that it is characterized in that said alcohol is the mixture of USP Kosher, terepthaloyl moietie, Virahol, its ratio is a USP Kosher: terepthaloyl moietie: Virahol=1:2:12.
4. the compound method of suspension polymer according to claim 2 is characterized in that said lipophilic surfactant is polysorbate60, tween 80, T 46155 dioleate, TEG monoleate, TEG monoleate.
5. the compound method of suspension polymer according to claim 2 is characterized in that said inorganic additive is SODIUM PHOSPHATE, MONOBASIC, potassium hydrogenphosphate, silicon bath soil.
6. the compound method of suspension polymer according to claim 2 is characterized in that said SEPIGEL 305 dry powder is not board product of Shengli Oil real estate 80-150 purpose treasured.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498005A (en) * | 2014-12-31 | 2015-04-08 | 大港油田集团有限责任公司 | Micron-sized water-swelling suspension liquid modifying and flooding agent and preparation method thereof |
| CN104531126A (en) * | 2014-12-17 | 2015-04-22 | 中国石油天然气集团公司 | Super guanidine gum suspension and preparation method thereof |
| CN107760294A (en) * | 2017-10-25 | 2018-03-06 | 成都劳恩普斯科技有限公司 | A kind of pulvis suspension and its preparation method and application |
| CN109536150A (en) * | 2018-12-10 | 2019-03-29 | 山东石大油田技术服务股份有限公司 | Displacement pressure adjusting control agent and preparation method thereof |
| CN112175208A (en) * | 2020-09-30 | 2021-01-05 | 江西富诚生态环境科技集团有限公司 | Polymer suspension emulsion for fracturing fluid and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560301A (en) * | 2008-04-17 | 2009-10-21 | 中国石油天然气股份有限公司 | Emulsification method of oil pipeline drag reduction polymer suspension |
-
2012
- 2012-06-29 CN CN2012102188571A patent/CN102732235A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560301A (en) * | 2008-04-17 | 2009-10-21 | 中国石油天然气股份有限公司 | Emulsification method of oil pipeline drag reduction polymer suspension |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531126A (en) * | 2014-12-17 | 2015-04-22 | 中国石油天然气集团公司 | Super guanidine gum suspension and preparation method thereof |
| CN104531126B (en) * | 2014-12-17 | 2018-03-16 | 中国石油天然气集团公司 | A kind of super guanidine gum suspension and preparation method thereof |
| CN104498005A (en) * | 2014-12-31 | 2015-04-08 | 大港油田集团有限责任公司 | Micron-sized water-swelling suspension liquid modifying and flooding agent and preparation method thereof |
| CN104498005B (en) * | 2014-12-31 | 2018-01-09 | 大港油田集团有限责任公司 | A kind of micron order hydroexpanding body suspension profile control agent and preparation method thereof |
| CN107760294A (en) * | 2017-10-25 | 2018-03-06 | 成都劳恩普斯科技有限公司 | A kind of pulvis suspension and its preparation method and application |
| CN107760294B (en) * | 2017-10-25 | 2020-09-08 | 成都劳恩普斯科技有限公司 | Powder suspension and preparation method and application thereof |
| CN109536150A (en) * | 2018-12-10 | 2019-03-29 | 山东石大油田技术服务股份有限公司 | Displacement pressure adjusting control agent and preparation method thereof |
| CN112175208A (en) * | 2020-09-30 | 2021-01-05 | 江西富诚生态环境科技集团有限公司 | Polymer suspension emulsion for fracturing fluid and preparation method thereof |
| CN112175208B (en) * | 2020-09-30 | 2023-06-02 | 江西富诚生态环境科技集团有限公司 | Polymer suspension emulsion for fracturing fluid and preparation method thereof |
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Application publication date: 20121017 |