TY  - SER
AU  - Springett,Frank
AU  - Ensley,Eric
AU  - Yenzer,Darrin
TI  - Low-force shear adds value to today's BOPs
PY  - 2011///
CY  - 
PB  - 
N1  - Study of shear mechanics finds shear geometry that reduces forces needed to cut tubular
ER  -