Clean Self-Diverting Acid System

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Product Name:

Product introduction:

1.Technical Overview

Our company research and development of main components: clean steering acid acid, clean diverting acid diverter, acidification corrosion inhibitor and ferric ion stabilizer, drainage aid and so on, we can according to the different geological conditions of the scene matching appropriate clean steering acid product system.

Clean the steering acid dosage forms with steering for the surface active agent, surfactant molecules in process of the acid rock reaction and Ca2 + association forming columnar or rod-shaped micelle, acid system with phase viscosity characteristics of the large concreted complete high permeability zone have temporary plugging to function, and at the same time continue to make fresh acid deep penetration to other low permeability layer, thus increasing the effective distance of acid. When the residual acid meets the hydrocarbon gas in the formation, it accelerates the breaking of the glue and the hydration is more complete.

2.Technical Index

Item	Test Condition	Index
Compatibility	25℃，48h	The acid is uniform, no stratification, no flocculation, no precipitation
Fresh acid surface tension	25℃，mN/m	≤32.0
Fresh acid viscosity	25℃、170s-1，mPa·s	1.0～5.0
Apparent viscosity peak.	90℃、170s-1，mPa·s	40.0～80.0
Inhibition rate	%	≥90.0
Time	min	120.0～180.0
Steady ability of Iron	mg/ml	≥60.0
The residual acid viscosity	25℃、170s-1，mPa.s	≤3.

3.Classic Case:

From 2016 to early 2017, the technology used in the operation treatment of Jianghan Oilfield, the effect is better.