Global Oilfield Biocide Market Size, Share, Growth Analysis By Type (THPS, Glutaraldehyde, DBNPA, Other Biocides), By Application (Produced Water Treatment, Drilling Fluids, Hydraulic Fracturing Fluids, Pipeline & Facility Preservation, Injection Water & Seawater Treatment), By Location (Onshore, Offshore), By Function, Industry Trends, Competitive Landscape, Regional Insights & Forecast 2026–2034