This Is a rare book of productive low resistivity well logs of The Offshore Gulf of Mexico.  The date on the print is 1993. This is something I do not understand but to someone who does I'm sure it's very interesting.  There are 3 sections A Summery, Causes and Analysis, Bibliography and Log Examples.  The book is in good condition .  Please look at the pictures as they are part of the description . If you have any questions send me a message and thank you for looking.