Useless fact - a Berea Sandstone block is the Oil Industry Standard material used when assessing the effectiveness of shaped charge perforating shot-blasts. Bet you didn't know that !
Just catching up with the blog, and while I'm really enjoying Ellen's blogs I'm a bit worried that Robert has been kidnapped/eaten by wild dogs/taken a room in a 4 star hotel and dropped out of the ride. I demand a picture with today's newspaper, or to hear something only he would know!
Useless fact - a Berea Sandstone block is the Oil Industry Standard material used when assessing the effectiveness of shaped charge perforating shot-blasts. Bet you didn't know that !
ReplyDeleteJust catching up with the blog, and while I'm really enjoying Ellen's blogs I'm a bit worried that Robert has been kidnapped/eaten by wild dogs/taken a room in a 4 star hotel and dropped out of the ride. I demand a picture with today's newspaper, or to hear something only he would know!
ReplyDelete