... Drill Thru EquipmentAbout this product:Wellhead equipment and oil tree is an important oil and gas mining equipment, ... from the casing head, tubing head, oil (gas) tree consists of three parts, used to connect casing string, ... oil (gas) wellhead flow, can also be used for acid fracturing, water injection, testing, and other special operations ... MEDIAOil, gas, mud, etc API 6A wellhead christmas tree