API 6A Wellhead Equipment Casing Head for Oilfield Simple Pressure Resistant Casing Head The simple pressure resistant casing head is a well completion wellhead device developed through years of ...अधिक देखें
आगंतुक के संदेशसंदेश छोड़ें
अभी तक कोई सार्वजनिक टिप्पणी नहीं
API 6A Casing Head Wellhead Equipment with 244 × 140 and 340 × 140 Series for Deep Well Applications