About MIKHAJLOVA M P
About Neftegazovaya Geologiya i Geofizika
About natural gas
About combustible natural gas deposit
About Oil field,gas field,oil/gas resource
About Drilling in general
About Geophysical and geological exploration in general
About Petroleum and gas deposits
About 初期
About ガス量
About 係数
About 天然ガス
About 探査ボーリング
About 能力
About 依存性