Statoil's First Onshore Support Center: The Result of New Work Processes and Technology Developed to Exploit Real-Time Data
- Andrew McCann (Statoil ASA) | Svein Omdal (Statoil ASA) | Runar K. Nyberg (Statoil ASA) | Øyvind Mydland (StepChange AS)
- Document ID
- Society of Petroleum Engineers
- SPE Annual Technical Conference and Exhibition, 26-29 September, Houston, Texas
- Publication Date
- Document Type
- Conference Paper
- 2004. Society of Petroleum Engineers
- 1.2.2 Drilling Optimisation, 1.6.3 Drilling Optimisation, 5.1.2 Faults and Fracture Characterisation, 5.6.1 Open hole/cased hole log analysis, 1.6.6 Directional Drilling, 1.12.6 Drilling Data Management and Standards, 1.2.7 Geosteering / reservoir navigation, 1.6.7 Geosteering / Reservoir Navigation, 1.1 Well Planning, 1.6 Drilling Operations, 4.3.4 Scale, 4.2.4 Risers, 1.12.2 Logging While Drilling, 5.1.5 Geologic Modeling, 3 Production and Well Operations, 4.2 Pipelines, Flowlines and Risers, 2 Well Completion, 1.12.1 Measurement While Drilling
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Applying innovative technology and work processes to land support for offshore drilling and well operations enhances value creation chiefly through better well placement in the reservoir and more efficient operations. Over the last 5 years, new technological developments have driven an evolution in work practices towards greater integration between disciplines and over the large distances between offshore drilling operations and asset teams on land.
The Onshore Support Center (OSC) opened in December 2003 at Statoil's Mid-Norway operations office is a workplace where data and competency can meet, creating a perfect infrastructure for integrating operations. Integrated operations are a common industry goal, with widely recognized value. The center provides seamless data transfer & video-conferencing with rigs, platforms and vessels operating on Statoil's Halten/Nordland fields (via a fiber-optic cable/broadband radio), where onshore and offshore staff can share and co-visualize data and interpretations from drilling, completion and work-over operations.
The technical design of the center and the work practises used there, however, are based on a number of years of experience with increasing integration between offshore drilling operations and land-based support. To enable this evolution, a number of new technologies had to be developed, some of which have been commercialized or have led to new industry standards.
Multi-disciplinary collaboration is more natural and effective when both teams have the same data viewed at the same time in the same applications - this allows real-time data to be fully exploited. Making the drilled well data immediately available together with all offset well log and drilling data, seismic data, geological and petrophysical models opens opportunities for better drilling optimization, better controlled well correlation, near real-time formation evaluation, and therefore more optimal well placement for production. The ability of the land support team to quickly analyze the data for decision support is enhanced and reaction time to unexpected situations can be reduced.
This contribution details some of the technological developments which led to development of the Halten/Nordland OSC, showing how they have changed the way we work and affected the outcome of drilling operations.
Statoil's Halten/Nordland business area operates the company's oil and gas developments in the Norwegian Sea (Heidrun, Åsgard, Norne and Kristin) from offices in mid and north Norway. When the Heidrun platform was built in the early 1990s, a fiber-optic cable was installed together with the gas pipeline to the Tjeldbergodden methanol plant on land. In 1999 this high-bandwidth network was extended to the Åsgard B platform, and both installations can now also provide high-speed data links to rigs and boats operating in the area by means of broadband radio connections.
In 1999 Statoil initiated a research project (DART) aimed at enhancing our abilities to place wells optimally in the reservoir, with regards to both cost and return. The project has focused on well positioning, data transfer, and data quality control technologies.
After four years of platform drilling on the Heidrun field, more complex 3D well designs with long horizontal sections were required to drain more heterogeneous, faulted reservoirs. The asset team recognized the need to improve well placement and was therefore one of the early partners of the DART project. Development and implementation of new well-planning and real-time data transfer solutions gave clear results in improving communication and support between the land and offshore organizations, resulting in better placed wells. The resultant work processes provided offshore staff with better data access and tools and helped to break down barriers between the offshore and onshore teams.
|File Size||228 KB||Number of Pages||5|