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1) Acidizing on carbonate rock oil-gas field is one of the most effective measure to reduce pollutant near the wellbore, reform the output section of oil-gas well, and improve the production capacity.

2) This acidizing fluid formulation was applied in Fanjia Oilfield, and got good effect.

3) The acidizing effect evaluated with the tester, good are got, providing theoretical evidence.

4) The key to successful acidizing treatment is the compatibleness of acid technicology with reservoir attributes.

5) The result of fracture acidizing is depended on the acidic rock reaction rate.

6) Matrix pores develop little, so acidizing method cannot improve reservoir property. Fracturing stimulation is recommended.

7) The technology of Single - trip EOP Acidizing - DST is a new technology of perforation completion.

8) The most popular acid system for sandstone matrix acidizing is the conventional mud acid system.

9) Present situation of matrix acidizing on carbonate rock and sandstone is discussed.

10) Matrix acidizing and water control are usually addressed as two separate issues.

11) Filtrateloss parameter of acidizing fluid is one of the key parameters to determine fracture geometry and the time of closed fracture in fracturing and acidizing design.

12) Pickling of rock is an important problem in acidizing oil and water wells.

13) Matrix acidizing is one of the oldest well stimulation techniques.

14) The optimal design of the key parameters of acidizing, speed and strength of acid injection, for example, has been carried out in the paper.

15) Acidizing is common applied in stimulation in oil and water well.

16) The research work in the field of acidizing and fracturing have been done for about 30 years by RINGT, PetroChina Southwest Oil and Gasfield Company.

17) Acidizing is one of the major measures of oil-gas well stimulation, but acidizing treatments depend on acidizing reaction mechanism.

18) During initial reservoir development period, the result of well stimulation using conventional fracturing, limited entry fracturing and mud acidizing is poor.

19) Acidizing is important measure of oilfield stimulation, but the effect of acidizing fluid loss.

20) During the course of exploitation in oil reservoir and gas reservoir condensation water, formation water, especially drilling mud, acidizing liquid and fracturing fluid can result in water blocking.

21) Choosing and controlling the available technical parameter can delay the acidic rock reaction rate and improve the acidizing result.

22) The fracturing pump is the Key equipment used in fracture acidizing technique to enhance oil - gas recovery.

23) This paper describes the aspects of reservoir protection in the whole process of acidizing operation.

24) Well Da 72 is a high yield well after acidizing treatment in igneous rock of Es 3.

25) For the use of filtration control acid, this problem on acidizing fluid filtration is solved.

26) It is also necessary to have the knowledges of reservoir mineralogy and the reaction kinetics of HF and aluminosilicate for the optimization of HF acidizing treatment.

27) In well stimulation , proper placement of treatment fluids is an important issue ,(http://sentencedict.com/acidizing.html) especially in multi - layer acidizing.

28) This paper introduces a novel technique in which water blocking technique is combined with acidizing treatment. The blocking system, XN-PP, is made of AM and a kind of small molecular aldehyde.

29) EP - RED is complete iron control system for oil well acidizing.

30) Mannich base is a corrosion inhibitor with superior property and is applied widely in acidizing treatments.