Well Engineering Schematics for Design and Analysis using Digital Well Files
- Faisal S. Al-Sanie (Saudi Aramco) | Musab M. Al-Khudiri (Saudi Aramco) | Asem O. Radhwi (Saudi Aramco) | Hussain Mubaireek (Petrolink) | Muhammad Kashif (Petrolink) | Tony Jovin (Petrolink)
- Document ID
- Society of Petroleum Engineers
- SPE Saudi Arabia Section Annual Technical Symposium and Exhibition, 21-23 April, Al-Khobar, Saudi Arabia
- Publication Date
- Document Type
- Conference Paper
- 2015. Society of Petroleum Engineers
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- 131 since 2007
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The advancements in tools and technology with the variety of data available in drilling industry has increased drastically. It is quite important to manage them in the best form so that we could effectively use this for several constructive purposes such as planning, execution and post processing analysis in drilling. For many years data has been majorly classified as static and real time where Real time from sensors lives feed is often visualized for operational decision making. Static information such as casing design , tubular design, well head design , BOP design are often stored as static files at database level.
It is often a tedious process for a drilling expert to replicate a similar design in engineering that he had created before for reference modelling or analysis. This is mainly due to the fact that the data is often not available in a flexible format.
To address such issues Saudi Aramco has decided to build a Drilling Engineering schematics package that serves in visualizing all of the available drilling data types. These data types significantly assist us to uncover many uncertainties such as when the data is captured or analyzed.
The system is designed is in flexible format such that it could be accessible for all users across the same platform. Industrial format WITSML and Representational State transfers web services are used together to construct a data converter that converts any form of data into WITSML objects. These WITSML objects are then referenced using an image library set of components before they reach the final output for users.
The system will be so useful for the drilling professionals for design and analysis as it can detect anomalies in the data such as casing, Cementing , Bottom Hole Assembly to name a few.
Real Time data from various rig instruments and tools often follow WITSML standards and stored in WITSML stores. Static data which is often the processed data after an operation or an activity and doesn’t change over time is stored under standard tables in Database. Over several analysis and research it’s been proven that both the data types Static and Real time put together will yield better optimization in terms of drilling and performance. The challenge ahead was to merge the data standards under one basket to reach final results.
The static information such as BHA Information, Well Heads, and Casing Design etc. are stored within individual tables in database. This information is often just plain text and represented mostly using unique codes that are often not easily understood by common users. Also to retrieve the information from database a database administrator’s assistance is required. The information retrieved from such complex format has to be easily understood for users from any background. The best approach to make the data understandable and usable is to visualize the same, by creating scaled images using proper measurements gathered from static data. This way all users will have complete information about the well, tools and analysis results as images or a graphical representation often delivers a better understanding over plain texts.
Such options are currently available as standalone applications that require expensive licensing, intensive and complex training to work on the applications and most importantly feeding data into their Built in database.
To achieve this objective, a Well Engineering Schematics for Design and Analysis (WESDA) system was initiated. The tool would convert any data source into another. The data conversion is carried out through proper mapping such that the information that needs to be visualized is initially studied to find its own nature. It is then mapped to the right format available in WITSML platform such as Logs, WbGeometry, and Tubular to name a few.
The static fields are mapped to the right objects and channels in WITSML and indexed with a right curve. This way any data source can be mapped to a right standard in WITSML to reach the final form under WITSML Platform and vice versa.
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