APPLICATION PROFILE Form No. OFAP002 WELLHEAD PROTECTION INTRODUCTION The wellhead (Casing Head) is mounted on the surface casing. Each additional casing string and the tubing string are then hung from the wellhead as they are run down the hole. The wellhead also seals off the annular spaces between the strings. Once the well is completed, operating personnel no longer need access to the wellhead. Onshore wellheads are typically located jus

Join for free to read