Zonal Isolation Improvements for Horizontal Wells Drilled in the Marcellus Shale
CX(s) Applied: A9, A11, B3.6, B3.11
Location(s): Pennsylvania, Pennsylvania, Pennsylvania
Offices(s): National Energy Technology Laboratory
Observation of cementing operations and collecting small samples (25 pounds (lbs) or less) of cement and (one gallon or less) of water.