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  Petrel Well Design The integration of geoscience and drilling Applying geologic knowledge to drilling operations works best when drilling and subsurface  teams share a common understanding. The Petrel* E&P software platform provides a common canvas for a shared workspace in which to develop a cohesive understanding of the reservoir and  the overburden. This enhances collaboration, effectiveness, and knowledge sharing, leading to improved drilling performance, more productive wells, lower risk, and less uncertainty—whether prior to drilling, during drilling (with real-time updates), or in postwell reviews. Design and land wells efficiently The Petrel Well Design module enables you to design drillable wells, sidetracks, or multilaterals quickly and easily in the context of the 3D earth model. Design occurs directly on seismic lines, property models, maps of hydrocarbons in place, or even simulation results. The module also supports placement of offshore platforms or onshore drilling pads for multiple geologic targets within user-defined constraints. Well reports are created instantly along designed well paths to enhance the shared earth model in the overburden and while geosteering in the reservoir.In addition to 3D design functionality, you can use the Designer Spreadsheet tool to plan new well paths using standard profiles—a method commonly employed by drilling engineers when designing wells. In Petrel software, the user can fine tune various attributes that control profiles, modifying them in the Designer Spreadsheet window or using 3D interactive tools while visualizing the effects of the change in 3D window and the geological context.To help geoscientists use the Designer Spreadsheet tool, a bottom-to-top design method is included. The user can start designing a new well starting with a target or targets, and then bring it up to a specific or random surface location. Multiple versions of the plan can be saved in a specific folder. Improve drilling performance With the Petrel platform, you can select relevant offset wells and correlate drilling parameters, earth model properties, and geomechanical data to identify ideal drilling conditions. Data from daily operations reports—such as bits, casing, and daily activity summaries—provide context. Your drilling and geological prognosis is built to ensure the technical integrity of drilling operations by viewing all planned, actual, and offset data in one place. Petrel software enables you to display drilling events in 2D or 3D and correlates these events with geological properties to help you understand and avoid problems when drilling your next well. APPLICATIONS  ■ Well planning and design BENEFITS  ■ Improved drilling performance  ■ More productive wells  ■ Lower risk and uncertainty FEATURES  ■ Quick design of drillable wells, sidetracks, and multilaterals  ■ Placement of offshore platforms or onshore drilling pads within user-defined constraints  ■ Instant creation of well reports  ■ Interactive planning of new well paths in 3D  ■ Planned, actual, and offset data all available in a single environment  With Petrel software, the drilling engineer can combine reservoir and borehole to avoid problems such as lost circulation and stuck pipe. Petrel Well Design *Mark of SchlumbergerOther company, product, and service names are the properties of their respective owners.Copyright © 2012 Schlumberger. All rights reserved. 12-IS-0542 Manage drilling risk Drilling information—such as lessons learned, best practices, and risks encountered on offset wells—can be imported into the Petrel applica- tion using wellsite information transfer standard markup language (WITSML). Events are visualized in the 3D and well section windows. Risks and events can be entered directly, edited as needed, correlated  to geology, and then migrated to a planned well.Combining reservoir and borehole-geomechanics data not only lets you reduce NPT from lost circulation, stuck pipe, and well control, but also provides a life-of-field approach to your well designs. This approach minimizes the impact of compaction and subsidence on your wells  throughout their productive life. View progress in real time The Petrel Real-Time Data Link (part of the Petrel Geoscience core) accepts streaming real-time data, including trajectory, logs, and events from WITSML data sources such as the InterACT* connectivity, collaboration, and information system. Surveillance in a shared earth model while drilling allows effective, cross-discipline collaboration in real time.The Petrel Real-Time Data Link connects WITSML data sources to wells in Petrel software, allowing you to load trajectory and log data. This data is saved with your Petrel project for later use.The Petrel shared earth model can be driven by real-time data, allowing you to understand the full impact of new knowledge on the well while it is being drilled.  Work in a collaborative environment Combining drilling and geological information into the shared earth model allows you to leverage the full strength of your team, driving results through improved understanding, mitigation of risk, and informed decisions in real time—from spud to TD. E-mail or contact your local Schlumberger representative to learn more
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