Liebherr LRB 255 (kelly)
Бурят с ковшебуром и обсадным столом. Диаметр, видимо, 1500.
Drilling 1500 hole with casing oscillator and bucket
9 months ago 00:01:34 1
9 months ago 00:10:22 1
9 months ago 00:03:12 1
2 years ago 00:08:27 1
2 years ago 00:05:43 1
2 years ago 00:04:57 4
4 years ago 00:08:10 3
4 years ago 00:04:51 1
5 years ago 00:04:59 1
6 years ago 00:03:43 1
6 years ago 00:02:45 1
6 years ago 00:06:42 2
6 years ago 00:12:40 1
9 years ago 00:21:25 1
14 years ago 00:04:30 34
