Oil production well neutral plugging remover composition and preparation method thereof
A technology for oil production wells and plugging removers, which is applied in the preparation of neutral plugging remover compositions for oil production wells in oil fields, and in the field of neutral plugging remover compositions for oil production wells, which can solve the problem of clogging of formation pores, oil wells and pumps, and wellbore operation Environmental degradation, corrosion and other problems, to achieve fast plugging speed, fast chemical descaling speed, good wettability and stability
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Embodiment 1
[0057] Embodiment 1, take raw material by following components and weight: polyepoxysuccinamide 11Kg, ethylenedienetriaminepentaacetate amine 38Kg, hydroxysuccinamide 36Kg, polyacrylamine 21Kg, polyaspartic acid Sodium 9Kg, sodium gluconate 10Kg, activated clay 14Kg, potassium persulfate 23Kg, hydroxysuccinate amine 10Kg, sodium salicylate 5Kg, hexamethylenetetramine 7Kg, vanadium pentoxide 0.3Kg, starch 4Kg, α - Sulfonic acid monocarboxylic acid and its derivatives (MES) 6Kg and diethylethanol 0.3Kg.
[0058] The raw materials of the above-mentioned parts by weight are prepared according to the following preparation method into a neutral plug-removing agent composition for oil production wells in oil fields:
[0059] 1. Crush polyepoxysuccinate, ethylenedienetriaminepentaacetate, hydroxysuccinate, polyacrylamide, polyaspartate sodium, sodium gluconate and activated clay with a grinder and pass through 20 Mesh sieve, stirred until uniform, the first powder was obtained; the f...
Embodiment 2
[0064] Embodiment 2, take raw material by following components and weight: polyepoxysuccinamide 14Kg, ethylenedienetriaminepentaacetate amine 35Kg, hydroxysuccinamide 33Kg, polyacrylic acid amine 23Kg, polyaspartic acid Sodium 10Kg, sodium gluconate 13Kg, activated clay 13Kg, potassium persulfate 25Kg, hydroxysuccinate amine 9Kg, sodium salicylate 6Kg, hexamethylenetetramine 9Kg, vanadium pentoxide 0.25Kg, starch 3Kg, α - Sulfonic acid monocarboxylic acid and its derivatives (MES) 7Kg and diethylethanol 0.2Kg.
[0065] The raw materials of the above-mentioned parts by weight are prepared according to the following preparation method into a neutral plug-removing agent composition for oil production wells in oil fields:
[0066] 1, with embodiment 1;
[0067] 2, with embodiment 1;
[0068] 3, with the starch of vanadium pentoxide and 1kg, use conical mixing mixer to evenly, all the same with embodiment 1;
[0069] 4, the starch of 2kg, α-sulfonic acid monocarboxylic acid and ...
Embodiment 3
[0071] Embodiment 3, take raw material by following components and weight: polyepoxysuccinamide 10Kg, ethylenedienetriamine pentaacetate amine 36Kg, hydroxysuccinamide 35Kg, polyacrylamide 20Kg, polyaspartic acid Sodium 8Kg, sodium gluconate 14Kg, activated clay 15Kg, potassium persulfate 20Kg, amine hydroxysuccinate 11Kg, sodium salicylate 4Kg, hexamethylenetetramine 6Kg, vanadium pentoxide 0.2Kg, starch 2Kg, α - Sulfonic acid monocarboxylic acid and its derivatives (MES) 5Kg and diethylethanol 0.15Kg.
[0072] The raw materials of the above-mentioned parts by weight are prepared according to the following preparation method into a neutral plug-removing agent composition for oil production wells in oil fields:
[0073] 1, with embodiment 1;
[0074] 2, with embodiment 1;
[0075] 3, with the starch of vanadium pentoxide and 1kg, use conical mixing mixer to evenly, all the same with embodiment 1;
[0076] 4, with the starch of 1kg, α-sulfonic acid monocarboxylic acid and de...
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