谁能帮我解释一下下面的内容是什么意思: 20”, 106.5ppf, K-55, BTC: set at 800’ in
谁能帮我解释一下下面的内容是什么意思: 20”, 106.5ppf, K-55, BTC: set at 800’ in 26” hole 这是个casing program(井深结构),谁能帮我解释一下啊,非常感谢! 20”, 106.5ppf, K-55, BTC: set at 800’ in 26” hole 13-3/8”, 54.5&68ppf, L-80, BTC: set at 4000’ in 17-1/2”hole 9-5/8”, 47&53.5ppf, L-80, BTC: set at 9000’ in 12-1/4” hole 7”, 29ppf, C-95, BTC: set at 9600’ in 8-1/2hole