#Wellhead_Design تصميم رأس البئر API 6A Wellhead Design API 6A هي معاير الجودة و القياسات المرجعية المرخصة من معهد البترول الأمريكي لمكونات رأس البئر A wellhead design can be as simple as one threaded gate valve on the production casing and one threaded flow tee. A complicated wellhead design can consist of Base Plate, casing head, Casing Spool, Tubing Spool, Tubing Head Adapter, Lower Master Valves, Upper Master Valves, Cross, Swab Valve, Tree Cap Test Adapter, Casing Slips Hanger, Casing Packoff, Tubing Hanger, Wing Valve, Outlet Gate Valves, Blind Flange, Bull Plugs, and Pressure Gauges. Many types of surface wellhead are available based on the different scenarios. Some are simple. Some are complicated. A simple wellhead can consist of one threaded gate valve on the production casing and one threaded flow tee. A complicated wellhead can consist of Base Plate, casing head, Casing Spool, Tubing Spool, Tubing Head Adapter, Lower Master Valves, Upper...