CN101724385A - Water shutoff agent for oil extraction - Google Patents
Water shutoff agent for oil extraction Download PDFInfo
- Publication number
- CN101724385A CN101724385A CN200810194845A CN200810194845A CN101724385A CN 101724385 A CN101724385 A CN 101724385A CN 200810194845 A CN200810194845 A CN 200810194845A CN 200810194845 A CN200810194845 A CN 200810194845A CN 101724385 A CN101724385 A CN 101724385A
- Authority
- CN
- China
- Prior art keywords
- water shutoff
- oil extraction
- shutoff agent
- water
- calcium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a water shutoff agent for oil extraction, which is prepared by mixing epoxy resins, polyethylene ammonia, calcium lignosulphonate, calcium chloride and water. The invention has the advantages of reasonable formula, favorable water shutoff performance and low production cost.
Description
Technical field:
The present invention relates to a kind of water shutoff agent for oil extraction.
Background technology:
There is shortcoming in existing water shutoff agent for oil extraction at aspects such as water plugging property, production costs.
Summary of the invention:
The object of the present invention is to provide a kind of prescription reasonable, favorable water shutoff performance, the water shutoff agent for oil extraction that production cost is low.
Technical solution of the present invention is:
A kind of water shutoff agent for oil extraction is characterized in that: mixed by following component in percentage by weight and form:
Resins, epoxy 5～10%
Polyethylene gathers ammonia 1～3%
Calcium lignin sulphonate 5～10%
Calcium chloride 2～5%
Water surplus.
Described water shutoff agent for oil extraction, form by following component in percentage by weight mixing:
Resins, epoxy 10%
Polyethylene gathers ammonia 2%
Calcium lignin sulphonate 7%
Calcium chloride 3%
Water surplus.
The present invention fills a prescription rationally, and favorable water shutoff performance, production cost are low.
The invention will be further described below in conjunction with embodiment.
Embodiment:
Embodiment 1:
A kind of water shutoff agent for oil extraction, form by following component in percentage by weight mixing:
Resins, epoxy 10%
Polyethylene gathers ammonia 2%
Calcium lignin sulphonate 7%
Calcium chloride 3%
Water surplus.
Embodiment 2:
A kind of water shutoff agent for oil extraction, form by following component in percentage by weight mixing:
Resins, epoxy 7%
Polyethylene gathers ammonia 3%
Calcium lignin sulphonate 10%
Calcium chloride 5%
Water surplus.
Claims (2)
1. water shutoff agent for oil extraction is characterized in that: mixed by following component in percentage by weight and form:
Resins, epoxy 5～10%
Polyethylene gathers ammonia 1～3%
Calcium lignin sulphonate 5～10%
Calcium chloride 2～5%
Water surplus.
2. water shutoff agent for oil extraction according to claim 1 is characterized in that: mixed by following component in percentage by weight and form:
Resins, epoxy 10%
Polyethylene gathers ammonia 2%
Calcium lignin sulphonate 7%
Calcium chloride 3%
Water surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810194845A CN101724385A (en) | 2008-10-22 | 2008-10-22 | Water shutoff agent for oil extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810194845A CN101724385A (en) | 2008-10-22 | 2008-10-22 | Water shutoff agent for oil extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101724385A true CN101724385A (en) | 2010-06-09 |
Family
ID=42445957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810194845A Pending CN101724385A (en) | 2008-10-22 | 2008-10-22 | Water shutoff agent for oil extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101724385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102443111A (en) * | 2011-09-22 | 2012-05-09 | 东北石油大学 | Profile modification agent for epoxy resin emulsion |
-
2008
- 2008-10-22 CN CN200810194845A patent/CN101724385A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102443111A (en) * | 2011-09-22 | 2012-05-09 | 东北石油大学 | Profile modification agent for epoxy resin emulsion |
| CN102443111B (en) * | 2011-09-22 | 2013-08-14 | 东北石油大学 | Profile modification agent for epoxy resin emulsion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100609 |