Don Field Decommissioning Programme (pdf, 7.8MB) null - BP

Don Field Decommissioning ProgrammeDON-BP-001Section 10Pipelines (cont’d)FigurePageFigure 10.1 Reverse Reel Method 10-2Figure 10.2 Reverse S-lay Method 10-3Figure 10.3 Reverse J-lay Method 10-3Figure 10.4 Cut and Lift Method 10-4Figure 10.5 Don Field Pipeline System Layout 10-6Figure 10.6 Lines at Don Manifold 10-6Figure 10.7 Pipebridge at Thistle 10-7Figure 10.8 8in Production Pipeline (PL598) Details 10-8Figure 10.9 8in Water Injection Pipeline (PL599) Details 10-10Figure 10.10 3in Chemical Injection and 4in Control Umbilicals Details 10-11Figure 10.11 Pipelines and Umbilicals Layout at NLGP Crossings 10-12Figure 10.12 Cross-section of Pipelines/Umbilicals at NLGP Crossings 10-12Figure 10.13 Don Field Flowline and Umbilical Jumpers 10-13Figure 10.14 Flexiweight Mattress 10-14Figure 10.15 Grout Formwork 10-14Figure 10.16 8in Oil Production Pipeline Stabilisation Features 10-15Figure 10.17 8in Water Injection Pipeline Stabilisation Features 10-15Figure 10.18 3in Chemical Injection Umbilical Stabilisation Features 10-16Figure 10.19 4in Control Umbilical Stabilisation Features 10-16Figure 10.20 Typical Cross-section of 8in Pipelines 10-20Figure 10.21 8in Production Pipeline (PL598) Burial Depth 10-23Figure 10.22 8in Water Injection Pipeline (PL599) Burial Depth 10-23Figure 10.23 4in Control Umbilical Burial Depth 10-34Figure 10.24 3in Chemical Injection Umbilical Burial Depth 10-34May 2011Pipelines10-iii/iv