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高溫VES轉(zhuǎn)向劑測(cè)試

日期:2025-05-31 23:33
瀏覽次數(shù):221
摘要:酸化轉(zhuǎn)向劑,施工現(xiàn)場(chǎng),140度高溫度、2個(gè)小時(shí),仍能保持75CP以上粘度起發(fā)揮作用。 對(duì)高溫VES轉(zhuǎn)向劑測(cè)試所得到的結(jié)果表明,完全可以用于碳酸鈣儲(chǔ)層酸化轉(zhuǎn)向。測(cè)試具體如下。

VES轉(zhuǎn)向劑-2025.3.15  測(cè)試方法及測(cè)試結(jié)果

     

       VES轉(zhuǎn)向劑-2025.3.15,在配方條件下,在140度條件下2個(gè)小時(shí)仍保持200CP以上粘度,保證了140度2小時(shí)保持75CP的粘度要求。

       測(cè)試方法以及測(cè)試結(jié)果如下:

       

         VES Diverting Agent - March 15, 2025. Under the specified formulation conditions, the agent maintained a viscosity of over 200 cP for 2 hours at 140°C, thereby ensuring compliance with the viscosity requirement of 75 cP under the same temperature and duration.

The testing method and results are as follows:



   測(cè)試方法

I. Testing Methods

1、基液配制:在20%鹽酸以及其它助劑配合條件下進(jìn)行測(cè)試。

1. Base Fluid Preparation
The test was conducted under the conditions of 20% hydrochloric acid combined with other additives.


2、流變性能測(cè)試

將殘酸洗液轉(zhuǎn)移到流變儀中,將溫度從25℃提高到140℃溫度,升溫溫度梯度為3℃/min,剪切速率為100s-1。升溫至140度后,保持溫度2個(gè)小時(shí),整個(gè)測(cè)試共計(jì)時(shí)間大約150分鐘。

2. Rheological Performance Testing
The residual acid solution was transferred to a rheometer. The temperature was increased from 25°C to 140°C at a heating rate of 3°C/min under a shear rate of 100 s?1. After reaching 140°C, the temperature was maintained for 2 hours. The total test duration was approximately 150 minutes.

二  測(cè)試結(jié)果

II. Test Results