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In-line Inspection Results Evaluation and Data Integration Olympic Pipe Line Company Ferndale to Renton 16” Project. OPS IMP Workshop Houston, TX August 2001. Outline. Background Project Overview Data Analysis Excavation and Repair Criteria Repair Plan and Execution Summary of Repairs
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In-line Inspection Results Evaluation and Data IntegrationOlympic Pipe Line CompanyFerndale to Renton 16” Project OPS IMP WorkshopHouston, TX August 2001
Outline • Background • Project Overview • Data Analysis • Excavation and Repair Criteria • Repair Plan and Execution • Summary of Repairs • Testing of Cut Outs • Project Issues
Background • Ferndale to Renton 16” ILI Project - a key element of Olympic’s Integrity Management Program • Consistent with BP’s Business Values and HSE Goals of: No Accidents, No Harm to People, No Damage to the Environment • Unique when compared with other ILI Projects because • Ferndale to Allen Segment Out-of-Service • Schedule Driven Project • High Staffing Levels • Heavy Public and Municipal Involvement • Three Types of ILI Tool Runs
Cherry Point Ferndale Bayview Anacortes Allen Woodinville Sea-Tac Renton Tacoma Washington Castle Rock Oregon System Description System Data - Petroleum Products - 400 miles long - Four source refineries - Eight terminal points - 16” and 14” Main Line - 20” Loop Line
ILI Tool Runs Data Analysis Repair Criteria Repair Plan Project Execution Data Integration Project Overview
Data Analysis • Used Deformation and High Resolution MFL tools from Ferndale to Renton • Ran an Ultrasonic tool from Ferndale to Allen • Data Logs: • Graded and Correlated by ILI Tool Vendors • Data Reviewed and Validated by: • BP Consultants • Office of Pipeline Safety • Consultants of Various Municipalities • Applied Negotiated Evaluation Criteria • Repair Plan / Documentation Prepared by Consultants
Excavation and Repair Criteria Ferndale to Renton 16”
Repair Plan • Scope Definition – BP / Consultants / OPS • Engineering, Procurement & Construction – OPL / BP • Dig Sheets – ILI Tool Vendor and Consultants • Permitting – OPL / BP • Dig Locates – Chain Crew Contractor • Excavations – Mechanical Contractor • Field Evaluation • Visual Inspection – BP / Consultants / ILI Tool Vendor • NDE – NDE Contractor • Repair Decision – BP / Consultants / OPS • Documentation – Consultants
Execution • Office Staff • Permitting Specialists • Engineering & Procurement – OPL / BP • Government & Public Affairs – BP • Field Staff (full-time) • ROW Access –Right-of-Way Agents • Locates – Chain Crews by Consultant • Construction Management – Coordinators by BP / OPL • Digs – Mechanical Contractor crews • Feature Evaluation • Tool Vendor Analysts • NDE Crews • Consultant • Others • OPS and Consultants • Various Municipalities
Testing of Cutouts • To establish future criteria a select number of deformation cutouts were cycle tested. • ¼” or smaller • Cyclic testing of 16” cut-outs • 30 yrs of service simulated • No failures • Hydrostatic testing of cutouts to be completed
Project Issues • Recognize project drivers early • Allow adequate lead time to secure permits • Appraise and evaluate each dig site for ROW access • Identify and Prepare for External Influences – these will impact the: • Project Schedule • Staffing Levels • Cost