1961 年 26 巻 8 号 p. 407-414
There are three factors, well condition, injection rate, and injection fluid, affecting the efficiency of fracturing of the treated oil reservoir.
One of these, injection fluid is characterized by physical and chemical properties.
Here, the author takes up the matters which are regarded very important for fracturing operation in the oil field.
The discussion is made on some deviation of the laboratory study from field data in Yabase oil field.