Drilling Chemicals Market, By Chemicals (Dispersants & Deflocculants, Clean Up Chemicals, Shale Stabilizers, Drilling Mud Defoamers and Foaming Agents, Drilling Mud Lubricants, Drilling Mud Surfactants, Spotting Fluids, Fluid Loss Control Additives, Loss Circulation Material, Emulsifiers for Water-based and Oil-based Systems, Drilling Polymers, Weight Materials, Corrosion Inhibitor, Scavengers & Biocides, Viscosifiers, Adhesives & Sealants, and Commercial Chemicals), By Fluid Type (Oil-based Fluids (OBF), Water-based Fluids, Synthetic-Based Drilling Fluids, and Pneumatic Drilling Fluids), By Application (Onshore Drilling and Offshore Drilling), and By Region (North America, South America, Asia Pacific, Europe, and Middle East & Africa)