Description
Mudline Template System
When water depths are shallow, production wells can be spotted and drilled randomly relative to one another. In deeper water and more remote locations, production wells are clustered and directionally drilled to gain access to the largest part of the reservoir.
Bottom-Supported Template Systems
Bottom-Supported Template Systems can be used where ocean floor conditions are known to be stable and where ocean floor inclination is typically less than four degrees. Dril-Quip’s Bottom-Supported Template Systems offer superior structural integrity and can accommodate a larger number of predrilled wells.
Conductor-Supported Template Systems
Conductor-Supported Template Systems are used where ocean floor conditions are known to be unstable and predrilling conductors could undermine the template foundations. The Conductor-Supported Template System is also used in areas where the ocean floor is heavily inclined. A maximum of nine wells is recommended.
Modular Template Systems
The Dril-Quip Modular (or Spacer) Template Systems offer the flexibility to accommodate last-minute changes in the production program. This allows the operator to "build as you go," eliminating wasted capital expenditures for unfilled template receptacles. The modular template system is generally used in conjunction with subsea drilling operations.
Advantages of Mudline Template Systems include:
- Pre-installed stabbing guides accommodate piles that provide tie-back alignment to the platform
- All disconnect points can be set at the same distance above the mudline
- Tight centerline control of individual conductors provides predetermined well spacing
- Simple running and installation procedures
- Lands and locks onto predrilled conductor
- Diver or diverless leveling systems available
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