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Well Data Workflow Analysis and Requirements Specification

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Situation

Our client was operating a complex and disparate series of unlinked and semi-linked well-data workflows whose successful execution was reliant on manual systems and the knowledge and memories of the individuals involved. Our client had identified a number of risks to these workflows that, if not resolved, could impact the effectiveness of its E&P activities. These risks included operational continuity, governance, well-data completeness and accuracy.

Clearly, a more efficient, robust and easily managed system - workflow, database and application – was needed. This system had to track, display, prompt for action, and report well data through the workflow, from receipt to delivery, and distribute this information to various internal and external stakeholders. It also needed a dashboard and reporting function to detail outstanding tasks, data completeness and workflow status.

Previously, our client had commissioned Venture to build a Master Well Headers and Scouting Database which delivered a unique identifier for each wellbore event. The new system was designed as an extension to this Master Database.

Our client selected Venture to deliver a detailed requirements specification from which the system would be built. Our consultants had already successfully built and populated the Master Well Header system and had also delivered similar workflow analyses for our client’s overseas corporate headquarters.

Solution

In collaboration with the client, Venture undertook a thorough and detailed analysis of the existing workflows and data types, and developed a detailed understanding of the needs and requirements of technical staff and asset teams.

From this work, an idealised workflow was modelled and agreed with stakeholders and teams. This was then translated into a requirements specification for an application to manage, interact with and control the well data through the workflow.

Interactivity was to be achieved through a series of triggers, with emails being sent to responsible person(s). For example, the receipt of drilling data by Operations Geology would trigger an event instructing Data Management to process and load the data. Additionally, reports would be delivered to each group of stakeholders (Data and Information Management, Drilling, Petrophysics, and Operations Geology), enabling them to collaboratively manage and discharge their responsibilities toward the data.

Benefits

The workflow is now robust and efficient; it enables effective data governance across Drilling, Operational Geology, Petrophysics and Data Management, and through acquisition, receipt, processing, interpretation, loading, distributing and archiving. The benefits include:

  1. A unified, managed system linked to unique Well Headers which is:
    1. A single, easily accessible source of truth
    2. Linked to geodetic information that can be displayed on maps
    3. Data status available to all stakeholders without having to ask or search manually
    4. Automatic date and audit histories
    5. Dashboard and reports of outstanding tasks
    6. All stakeholders can view the status of all data by well, by group of wells, and by work they are tasked to deliver
    7. Propagation of pertinent data to other databases and systems
    8. Automated trigger events to ensure tasks do not get lost or forgotten
    9. Robust, automated workflow that is no longer reliant on individuals


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NEXEN
Nexen

Venture has an extensive history of successful delivery of information management solutions to Nexen.