1) great-medium coal formed gas fields
煤成大、中型气田
2) large and medium gas fields
大中型气田
1.
Transporting conditions of faults required in formation of large and medium gas fields with high efficiency in foreland basin;
前陆盆地高效大中型气田形成的断裂输导条件
2.
Sealing and preservation conditions for large and medium gas fields of China;
中国高效大中型气田形成的封盖保存条件
3.
Main control factors of large and medium gas fields and exploration domains in China;
中国大中型气田成藏的主控因素及勘探领域
3) large coal gas field
大煤气田
1.
Discovery of Dacheng large coal gas field and its meaning;
冀中大城大煤气田的发现及其意义
4) mid-large oil and gas fields
大中型油气田
1.
On the formation and distribution of mid-large oil and gas fields in the Tarim Basin;
塔里木盆地大中型油气田形成及分布规律
5) large_medium sandstone gasfield
大中型砂岩气田
1.
medium_small oilfields dominated by marine sandstone, large_medium normal heavy oilfields dominated by nonmarine sandstone, complex fields dominated by complicated faulted_blocks (including buried hills and special lithologic bodies) and large_medium sandstone gasfields.
根据地质特征可以将中国近海油气田分为以海相砂岩为主的中小型油田 ,以陆相砂岩为主的大中型常规重质油油田 ,以复杂断块为主 (包括潜山和特殊岩性 )的复杂油气田和大中型砂岩气田等四大类。
6) large gas field
大型气田
补充资料：煤的变质作用(见成煤过程)
煤的变质作用(见成煤过程)
metamorphism of coal
mel由玩anzhi zuoyong煤的变质作用(metamorPhism。f coal)‘见成煤过程。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条