Design and Implementation of a Global Solution for the Management of Real-time Drilling data
- Glenn Harold Warner (Chevron ETC) | Sergio Salvador Hernandez (Chevron Corp.) | Jesus Lopez | Jake Ernest Booth (Booth Consulting Llc)
- Document ID
- Society of Petroleum Engineers
- SPE Intelligent Energy International, 27-29 March, Utrecht, The Netherlands
- Publication Date
- Document Type
- Conference Paper
- 2012. Society of Petroleum Engineers
- 1.9.1 Surveying and survey programs, 1.12.6 Drilling Data Management and Standards, 1.12.1 Measurement While Drilling, 1.6 Drilling Operations, 1.10.1 Drill string components and drilling tools (tubulars, jars, subs, stabilisers, reamers, etc), 2 Well Completion, 4.3.4 Scale, 1.12.2 Logging While Drilling, 4.1.2 Separation and Treating, 4.1.5 Processing Equipment
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Chevron has a longstanding association with the use of dedicated operations centers to support drilling operations. This dates back to the pioneering work of Tenneco in the early 80's, one of a few First Generation Drilling Operations Centers (Booth, 2009). After the acquisition of Tenneco in 1988, Chevron built upon this prior experience in developing a sophisticated support center intended for use throughout Chevron's global drilling operations. As with most of the first generation centers, reduction in drilling activity changed the business case and the strategy was curtailed in 1992. More recently, in 2004, Chevron established a Well Design Execution and Collaboration Center (WellDECC) to support high-cost technically challenging deep water operations in the Gulf of Mexico.
With recent and planned changes in drilling strategies, including the prospect of supporting multiple rig onshore operations both domestic and international, Chevron is embarking on an updated strategy which will institutionalize access to and use of realtime drilling data on a global basis. This includes establishing a central facility staffed by Chevron personnel and operating on a 24/7 basis to monitor the acquisition of data and its integration with technical and operational work
processes. This strategy will benefit from the experience derived from the earlier efforts mentioned above. It will also take advantage of significant subsequent advances in information technology and the development and broad implementation of the WITSML industry standard for exchange of data between the multiple parties typically involved in the drilling and completion of a well. This paper describes the strategy's underlying principles and provides information on the design and implementation of an appropriate solution.
Introduction and History of use of Real-time Drilling Data at Chevron
Industry strategies for the use and management of real-time drilling data have evolved over time to reflect changing business drivers and the rapid evolution of enabling information technologies. Tenneco's Central Site Data Center (CSDC) in Lafayette, as described by Graff and Varnado (1986) was one of a first generation of dedicated drilling operations centers documented by Booth (2009). After Chevron acquired Tenneco in 1988 they made a significant investment in expanding the scope of use of realtime data to support a vision of multidisciplinary integrated work processes. Designed with global implementation in mind, the new system was commissioned in early 1991, with initial service focused on U.S. operations. However, faced with continued decline in oil price and rig count, the business case for the new operations center was eroded and the strategy was curtailed in 1992.
As realtime data became more widely available from service companies, including an increasing range of downhole Measurement While Drilling (MWD) and Logging While Drilling (LWD) measurements, Chevron continued to make use of it, largely at a local business unit level, and typically on a well-to-well basis. To address a need for a more consistent and better integrated solution, in 2004 the deep water group in Houston established a dedicated WellDECC facility as described by Breidenthal and Ochterbeck (2008). As the name implies, WellDECC plays a key role at all stages in the planning, execution and post-drill evaluation of technically complex, high cost deep water wells in the Gulf of Mexico. WellDECC is one of a second generation of real-time drilling operations centers as described by Booth (2010), which represented a trend toward integrated operations and collaborative work processes, and a focus on regional strategies.
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