The Successful Use of The Borehole Gravity Meter in Northern Michigan


Noel F. Rasmussen

5th Formation Evaluation
Symposium of the Canadian Well Logging Society in Calgary, May 5 – 7,



Borehole gravity surveys have been used in Northern Michigan to make producers out of otherwise dry holes. Wells which are drilled in thick, tight, salt-plugged reefs may have encountered a very restricted, tight facies. The borehole gravity survey can be used to detect nearby porosity.