DRILLING RIG
Thursday, October 27, 2011
Drilling rig classification-By position of derrick
Drilling rig classification-By position of derrick
Conventional — derrick is vertical
Slant — derrick is slanted at a 45 degree angle to facilitate horizontal drilling
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment