Deep Panuke Project Description - Encana

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2.7.5.3 Deck DrainageDuring construction and installation, prior to operation of the drains system, deck drainage will bedischarged overboard. Deck drainage water might contain traces of petroleum hydrocarbons, such aslube oils, helicopter fuel, and diesel fuel. Every effort will be made to prevent chemical contaminationon decks, which could be entrained into deck drainage. Storage areas for totes containing chemicals andpetroleum products will have secondary containment to prevent discharge onto deck surfaces.During the operation phase, deck drainage will be collected and treated according to the OWTG (NEB etal 2002). Drainage from equipment areas on the topsides will be directed through a header system to acollection tank to an oil/water separator treatment unit on the MOPU. Petroleum hydrocarbons andsludge in the oil/water separator will be transferred into containers for shipment to shore for disposal.The water from the oil/water separator will be treated using cartridge-style water polishers and testedprior to discharge to ensure compliance with the discharge criteria of 15 mg/L or less. The deckdrainage system does have overflows to permit water to be routed directly overboard in the event of adeluge event or rain water in excess of the design condition.Any spills of petroleum products (or other chemicals) will be cleaned up immediately and reported. Oilabsorbent pads and “oil dry” compounds will be available, at all times, in spill kits located at strategicsites on the platforms, to remove petroleum products from deck surfaces. The used absorbent materialsand any other oily wastes will be placed in sealed containers and returned to shore for treatment anddisposal at an approved waste management facility.EnCana will develop a Deep Panuke Emergency Management Plan (DPEMP) for the Project which willinclude a Spill Response Plan (refer to Appendix G) that will be submitted to the regulators for reviewand approval. It is the responsibility of all EnCana employees and contractors to report any accidents,incidents or spills to the Offshore Installation Manager for immediate action. The standby vessel in thefield will also be tasked as part of their regular duties to observe and report any spills from the facilities.2.7.5.4 Other Ocean DischargesOther ocean discharges (e.g., bilge/ballast, sanitary/food waste/testing waters, etc.) are summarized inTable 2.6 for the construction and operations phases of the Project. Those wastes, which are identified inthe OWTG (NEB et al. 2002) and other regulations, are included along with the compliance standard.Each waste stream will be treated or managed to make sure the discharges comply with the respectiveregulatory limits and EnCana’s environmental protection policies.Deep Panuke Volume 4 (Environmental Assessment Report)• November 2006 2-56
2.7.6 Naturally Occurring Radioactive Material (NORM)The description of NORM and appropriate management procedures presented in the approved 2002CSR remain valid. Refer to Section 2.7.6 of the approved 2002 CSR.2.7.7 Non-Hazardous Solid WastesThe discussion of non-hazardous solid wastes presented in the approved 2002 CSR remains valid. Referto Section 2.7.7 of the approved 2002 CSR.2.8 Hazardous Materials and WasteThe discussion of management of hazardous materials and waste presented in the approved 2002 CSRremains valid. This includes, but is not limited to, commitments by EnCana to adhere to all applicablefederal and provincial codes and regulations for the handling and transport materials. Refer to Section2.8 of the approved 2002 CSR.2.9 Environmental and Safety Protection Systems2.9.1 Equipment Inspection and MaintenanceAll Project equipment will meet the requirements of industry standards, and be certified as being safeand fit for its intended use. Purchase orders for such equipment will be suitably monitored during themanufacturing and testing processes for strict compliance to these standards and to all applicableregulations as set out by the CNSOPB. Where required, the Certifying Authority (CA) may provideadditional surveillance. Once installed, equipment will be operated and maintained in accordance withdocumented processes and procedures. EnCana will submit inspection and monitoring programs, amaintenance program and a weight control program to the CA for approval. These regular inspectionand maintenance programs will ensure continued equipment reliability and integrity. Necessary criticalspares will be maintained should equipment change-out be required. Subsea inspection programs allowfor regular monitoring of critical subsea components such as pipelines.As part of the maintenance of the Certificate of Fitness for the MOPU, the CA is required to conductinspections and surveys during the operation phase of the Project (Annual Surveys). These surveys willverify that installations is being operated in accordance with the approved programs noted above andprovide further assurance that safety and protection of the environment are being upheld.Deep Panuke Volume 4 (Environmental Assessment Report)• November 2006 2-57
Page 1 and 2:
2 PROJECT DESCRIPTIONThis section p
Page 3 and 4:
Potential Radioactive Components: T
Page 5 and 6: 2.2.2 Subsea Wells and FlowlinesThe
Page 10 and 11: 2.2.3.1 M&NP OptionThe proposed pip
Page 12 and 13: The onshore portion of the pipeline
Page 14 and 15: 2.3 Construction and Installation2.
Page 16 and 17: 2.3.2 Export PipelineA proposed pip
Page 18 and 19: A dedicated subsea umbilical will b
Page 20 and 21: Table 2.2 Construction MethodsCateg
Page 22 and 23: These subsea structures may be fast
Page 24 and 25: For the new production and injectio
Page 26 and 27: Figure 2.8Typical Production Well S
Page 28 and 29: 2.3.8.1 Drilling Fluid ProgramWater
Page 30 and 31: Table 2.4 Hydrostatic Fluid Dischar
Page 32 and 33: Acid GasInjectionFeed GasCompressio
Page 34 and 35: Although the M&NP Option is the onl
Page 36 and 37: Spent TEG has no measurable H 2 S a
Page 38 and 39: Table 2.7 Water CompositionComponen
Page 40 and 41: 2.4.2 Utilities2.4.2.1 Electrical P
Page 42 and 43: will be designed considering emerge
Page 44 and 45: zones over the pipeline although th
Page 46 and 47: 2.7 Emissions and DischargesEnCana
Page 48 and 49: Table 2.8 Routine Project Emissions
Page 50 and 51: 2.7.1.1 Air PollutantsThe following
Page 52 and 53: esult in eye irritation, respirator
Page 54 and 55: Typically, a re-entry and completio
Page 58 and 59: 2.9.2 Pipeline Leak PreventionThe p
Page 60 and 61: 2.9.5 Subsea Protection StructuresT
Page 62 and 63: • consider concept alternatives f
Page 64 and 65: Table 2.10Centre Substructure Type
Page 66 and 67: is much more weather-dependent than
Page 68 and 69: Table 2.11 Processing Location Alte
Page 70 and 71: After carefully considering the con
Page 72 and 73: Flaring acid gas consists of direct
Page 74 and 75: Table 2.13Produced Water Disposal A
Page 76 and 77: Therefore, injection into an annula
Page 78 and 79: Use of a dedicated condensate pipel
Page 80 and 81: is taken offshore on a special lay
Page 82: Table 2.15Acid Gas Injection Locati
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Deep Panuke Project Description - Encana

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