抄録
The calcareous materials of gas formations in Mobara gas field are soluble to hydrochloric acid, and the original permeability of formations can thus be greatly changed. This causes the increase of gas and water production. In this report the following is explained:
1. The method of accidizing.
2. The combination of acidizing and fracturing.
3. The combination of accidizing and gravel packing.
4. The result of acidizing in Mobara gas field.
