Introduction
The main feature of pipe-in-pipe and pipeline bundle systems is that the pipeline is comprised of concentric inner and outer pipes. The inner pipe or pipes within sleeve pipes carry the production fluids and are insulated, whilst the outer pipe or carrier pipe provides mechanical protection.
Pipe-in-Pipe insulation is typically a low density polyurethane foam product applied by either injection moulding or spray application. This provides a highly efficient insulation performance in both shallow and deepwater applications.
Notable Projects
Project Name |
Project Number |
Notes |
BAOBAB |
Notable due to the Pipe in Pipe nature |
|
Greater Plutonio |
Deep Water, using SAFEBUCK | |
Qatar Gas |
KW |
Large Diameter Pipe |
Other Projects
Project Name
|
Project Number | Notes |
EPC2B |
KW 0728 |
Controlled Buckles on Existing Pipeline Crossings |
Algeria Pipeline |
KW 1071 |
Onshore |
Deep Panuke |
Codes & Standards
Company |
Title |
Doc Number / Date |
SAFEBUCK JIP |
Safe Design of Pipelines with Lateral Buckling - Design Guideline |
|
DNV |
Global Buckling of Submarine Pipelines |
DNV-RP-F110 |
DNV |
Submarine Pipeline Systems (Strain Based Limit State) |
DNV-OS-F101 |
Course Notes
Author |
Title |
Notes |
C. Sicilia |
Lateral Buckling Assessment and Mitigation Design |
|
Trevor Gee IBC |
Pipeline Course |
Books
Author |
Title |
Chapter |
Mikael Braestrup |
Design and Installation of Marine Pipelines |
6.5 |
Papers
Author |
Title |
Notes |
Hobbes, R. E. |
In-service Buckling of Heated Pipelines, Journal of transportation Engineering, ASCE, Vol. 110, No.2, March 1984, pp. 175-189 |
Approximate method for determining propensity for lateral buckling |
Taylor, N. and Gan, A. B |
Submarine pipeline Buckling – Imperfection Studies, Jour. Of Thin-walled Structures, Vol. 4, 1986, pp 295-323 |
A developed version of ‘Hobbs’, including the effects of initial OOS |
Prepared Calculations
Title / Software |
Description |
Owner / Athor |
Hobbs / Excel |
Predicts the onset of buckling |
KAJW / CSG |
Pipe in Pipe Systems