Production logging, pressure data and analysis, stimulation evaluation logging, specialists in fluid movement studies and conformance. Featuring gamma spectral logging, 7/8" tools for annular production logging in beam pump wells, memory and eline PTL for hostile environments and horizontal. Temperatures up to 650 F, pressures up to 30,000 PSI. Unequaled experience in interpretation and application. See our website for details, www.cardinalsurveys.com.