Overview
This document provides an introduction to wellhead components and major variations in wellhead design that are driven by reservoir and well operating considerations and conditions.
It serves as a guide to wellhead implementation, providing recommendations for:
- Assigning responsibilities in wellhead installation, intervention, and maintenance
- Determining wellhead requirements
- Installing and protecting wellheads
- Intervention operations
- Monitoring and maintaining wellheads
- Maintaining wellheads on suspended wells
This document covers a range of petroleum industry well types including:
- Flowing wells (Sweet, Sour, Critical Sour and Corrosive)
- Artificial lift wells
- Injection and disposal wells
- Thermal wells
- Cavern storage wells
- Observation wells
Information for fracturing operations, including the fracture tree, is included.