Inventor
PYATT LAWRENCE A
US3 patents
Patents
3 patentsUS4365197ADec 21, 1982
Identification of pipe material in wells
PYATT LAWRENCE A9 citations69
US4704579ANov 3, 1987
Method of distinguishing material characteristics in a well bore for controlling photograph taking in the well bore
PYATT LAWRENCE A6 citations58
US4527122AJul 2, 1985
Bore hole direction measuring instrument control
PYATT LAWRENCE A3 citations58