Anomaly-Driven Engineering Empowered by a Central Surveillance Center
- John M. Brutz (Shell Exploration & Production)
- Document ID
- Society of Petroleum Engineers
- SPE Digital Energy Conference and Exhibition, 7-8 April, Houston, Texas, USA
- Publication Date
- Document Type
- Conference Paper
- 2009. Society of Petroleum Engineers
- 7.6.1 Knowledge Management, 1.6.9 Coring, Fishing, 7.1.8 Asset Integrity, 1.10.1 Drill string components and drilling tools (tubulars, jars, subs, stabilisers, reamers, etc), 2.4.3 Sand/Solids Control, 3 Production and Well Operations, 5.6.4 Drillstem/Well Testing
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A central surveillance center, designed to conduct routine surveillance on reservoirs, wells, facilities, and subsea systems, has been developed. Surveillance engineers, control-room operators, and information technology analysts staff the center. Centralizing routine surveillance enables cross-asset sharing of top surveillance techniques, develops staff's surveillance competence, and allows asset-focused engineers to ensure project delivery.
The center's software toolkit enables event identification, surveillance execution, and systematic history documentation. An advanced alarm tool and a web-based workflow tool enable the routine surveillance conducted by the center's staff. The alarm tool allows staff to focus on events by exception, and the workflow tool ensures a consistent set of surveillance measures are conducted for each event. All events and analysis are stored in a searchable online database to facilitate analysis of future events.
Description of the material
Incorporating a central surveillance center enables labor and accountability to be divided among staff by the event's time-criticality. Events requiring reaction in minutes-to-seconds remain the responsibility of offshore operations personnel who work 24 hours a day to maintain asset integrity and production stability. Operations use an independent alarm set that is focused on the need for immediate action. Asset-focused surveillance engineers are responsible for long-term, months-to-years, production optimization, asset integrity, and project delivery. These engineers are accountable for the asset's production and integrity and set the operating envelope for asset equipment based on models, simulations, and asset-specific knowledge. The asset-focused engineers own the asset's projects and work to ensure timely delivery. The central surveillance center's staff bridges the surveillance gap between operations and asset-focused engineers, focusing on production optimization and asset integrity events that are critical in the days-to-weeks timeframe. The center's staff focus on this portion of routine surveillance as their sole responsibility, and being the sole responsibility enables the center's staff to execute routine surveillance more efficiently than it can be executed by operations or asset-focused engineers who have additional responsibilities.
Surveillance services are developed to define the specific work conducted by the central surveillance center staff. Each service represents a logical collection of surveillance activity that can be conducted without asset-specific knowledge. The services are supported by documented standard operating procedures and service information packages. These two documents contain all information necessary to conduct the routine surveillance service.
The center's staff is enabled to conduct multi-asset and multi-discipline engineering surveillance by an exception-based surveillance (EBS) toolkit. The EBS toolkit is comprised of an advanced alarm tool, an automated workflow tool, and a knowledge repository. The advanced alarm tool highlights conditions of interest that deviate from the operating envelope set by the asset-focused engineers. The automated workflow tool directs the center's staff through routine engineering analyses to troubleshoot the condition of interest's cause. The knowledge repository documents all surveillance activity and best practices to shorten analysis needed for future events.
|File Size||150 KB||Number of Pages||7|