Title:
Core taker devices
United States Patent 3072202
Inventors:
Brieger, Emmet F.
Application Number:
US1394560A
Publication Date:
01/08/1963
Filing Date:
03/09/1960
Assignee:
SCHLUMBERGER WELL SURV CORP
Primary Class:
Other Classes:
175/77, 175/404, 175/405
International Classes:
E21B49/04
View Patent Images:
US Patent References:
2944791Sample taking apparatus1960-07-12
2937005Core sampler1960-05-17
2917280Sample taking apparatus1959-12-15
2775427Sample receiving projectile for side wall core sampler1956-12-25
2721055Core drill1955-10-18
2509883Coring and fluid sampling device1950-05-30
2426335Side wall sampling apparatus1947-08-26
2288210Core taking projectile1942-06-30