U.S. federal trademark · Serial No. 77409072 · Reg. No. 4067445
Materials for sensing geometries of propped fractures in subterranean formations; materials for identifying locations of proppants in subterranean formations; tracers; materials for sensing flow back of proppants in subterranean formations; materials capable of indicating changes of proppant placement dynamically over time
Chemical for use as a fluid loss additive employed to minimize fluid losses in subterranean formations; chemical agents for use in treatment, servicing, and working of oil wells and gas wells, namely, subterranean formation filling agents, proppants, and abrasive agents for subterranean formations
Oil well and gas well fracturing services using proppants
Ceramic materials for use in the oil well and gas well industry, namely, ceramic pellets, shots, and spheres for use in oil well and gas well hydraulic fracturing, and as gravel pack materials for sand control operation, and for use as strengthening agents for subterranean formations
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.