COSL can provide its customers with production logging and engineering services solutions that can match the data variables, for example, cement bond evaluation, and casing damage inspection.

Service capability:

Cased-hole Production Logging Services: the production-profile logging, injection-profile logging, oxygen-activation water-flow logging, residual-oil saturation logging and horizontal-well production logging

Cased-hole Engineering Services: the perforating-optimization design, perforating string-vibration load forecasting, tubing conveyed perforating (TCP), wireline perforating and composite perforating, oriented perforating, free-point indicator, junk basket, jet cutting, chemical cutting, tubing (casing) inspection, cement-bond evaluation, gravel-pack logging, tractor and many other related services