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Keywords: accuracy
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Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214522-MS
... for feature extraction from text. The classifier is first trained to predict the main activity codes. Predicted main codes in the first stage become the feature space for the second stage training for enhanced accuracy. To improve the accuracy further, related subcodes are grouped according to confusion...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214515-MS
... to a fluctuating demand-supply balance, improving company performance overall. accuracy supplier united states government planning dpt international association upstream oil & gas forecast digital tool leveraged petroleum engineer artificial intelligence information implementation drilling...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214565-MS
... Abstract Identification of lithology from drilling cuttings is a key step for reservoir characterization. At present, the traditional method is to collect and analyze the cuttings by manual interpretation, which is subjective and time-consuming. In order to improve the accuracy, timeliness...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214561-MS
... by calibrated and corrected AHD. Based on Pythagorean geometry using AHD, I, and A measurements, these are converted into N, E, and V positions. Each way-point has a specific N, E, and V positional uncertainty. Four component accuracies are used to describe the individual AHD, I and A measurement uncertainties...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 23–25, 2023
Paper Number: SPE-214599-MS
... operation asia government machine learning upstream oil & gas china government artificial intelligence detection personnel accuracy mechanism experiment typical drilling operation scene aggregation dataset module detection accuracy intelligent risk identification map yolov5 algorithm...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202138-MS
... with built in gyro could possibly provide improved accuracy in the future. Every new well design presents a challenge to be drilled in the proximity of the older offset wells within the field and presents a collision risk or a placement risk due to geological constraints. The challenge arises from...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202202-MS
..., and machine learning performs better because of the capacity in high-dimensional and non-linear process modelling. However, in deep or deviated wells, the ROP prediction accuracy of machine learning is always unsatisfied mainly because the energy loss along the wellbore and drill string is non-negligible...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202191-MS
... functionality and model results compared. Results showed that derived controllable variable gave higher prediction accuracy when compared with the model performance assessment criteria commonly used in engineering analysis including the correlation coefficient (R2) and root mean square error (RMSE). The key...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189408-MS
... of RSS steering mechanisms across drilling and workover operations. Directional drilling service companies are encouraged and challenged to improve the efficiency and accuracy of RSS mechanisms, improving the hole quality and reducing micro-doglegs. Artificial Intelligence point-the-bit steering...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189432-MS
... Abstract A survey program is designed for every well drilled to meet the well objective of penetrating the target reservoir and to avoid colliding with other offset wells. The selection of the wellbore survey tools within the survey program are limited to the current accuracy available...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178167-MS
... vibration accuracy Introduction The Tarim basin is an endorheic basin in northwest China occupying an area of approximately 906,500 km 2 (350,000 square miles) and it is the largest petroliferous basin in China ( Fig. 1 ). By performing analysis on the offset wells and technology options...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178254-MS
... positional uncertainty for each case is compared. Some example case studies, relating to wells drilled in different parts of the world, are presented which illustrate the relative performance of the two approaches to surveying wells. The increase in well positioning accuracy achievable using the all...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference & Exhibition, October 7–9, 2013
Paper Number: SPE-166770-MS
... shape of the borehole with a defined accuracy and resolution, and will allow drawing conclusions on the stress field. Recognition of variations in borehole shape in real time drilling allow the drilling engineer to actuate appropriate counteractions to avoid costly failures, or to implement alterations...
Proceedings Papers

Paper presented at the Middle East Drilling Technology Conference & Exhibition, October 26–28, 2009
Paper Number: SPE-125881-MS
... Abstract This paper presents a workflow method that has been designed to improve well placement accuracy, enhance decision-making and decrease cycle time through rapid geologic model updates. This workflow was applied successfully to a horizontal well located in a giant oil and gas field...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling and Technology Conference, October 22–24, 2007
Paper Number: SPE-106935-MS
..., the program uses the newly developed generic algorithm for solving the Lubinski's BHA equations directly. The strengths of the new algorithm are accuracy and computation efficiency, as compared to the conventional finite-element based BHA programs. In addition, the program is designed to run fast...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, September 12–14, 2005
Paper Number: SPE-96211-MS
... Abstract Multi-station processing techniques can be used to improve the accuracy of wellbore directional surveys by removing the effects of systematic errors. The main intention of this paper is to provide improved understanding and documentation of such methods when applied to magnetic surveys...

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