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Combining Accuracy and Efficiency in Directional Drilling: Leveraging Continuous Surveys to Reduce Rig Time and Optimize Well Path Precision

Authors: Mohamed Fouda; Amjad Ibraheem; Ahmed Reda Abdallah; Moataz Eldemerdash; Faisal Al-Mutawa; Ankit Mago; Fayez Al-Fayez;

Combining Accuracy and Efficiency in Directional Drilling: Leveraging Continuous Surveys to Reduce Rig Time and Optimize Well Path Precision

Abstract

Abstract Conventional wellbore position monitoring relies on survey measurements that require the drill string to remain stationary during acquisition. This introduces rig non-productive time (NPT) and may not fully characterize the actual well path with high precision. A new generation of measurement-while-drilling (MWD) technologies enables continuous surveying while drilling—even during pipe rotation—dramatically increasing survey frequency and eliminating the rig time traditionally spent acquiring directional surveys. This study quantifies the resulting rig time savings and demonstrates how high-resolution trajectory data reveals previously undetected wellbore tortuosity. The new approach employs advanced MWD systems capable of acquiring high-frequency directional measurements that remain accurate despite pipe movement and rotation. These intelligent tools incorporate sensors into the "base collar," enabling broad deployment in standard drill strings. By eliminating the need for frequent stops to take stationary surveys, a direct reduction in rig time is achieved. Moreover, the enhanced trajectory resolution supports early detection of micro-doglegs and wellbore tortuosity, which are typically missed by conventional surveys. These insights allow for real-time decision-making to optimize drilling parameters, improve tripping efficiency, and enhance completion operations post-drilling. Field data analysis confirmed a significant reduction in NPT, validating the operational benefit of continuous surveying. In one case, continuous survey datasets included up to 100,000 measurements over a 3,000-ft interval. This high-resolution data consistently revealed wellbore tortuosity not captured by traditional stationary surveys. The early detection of tortuosity enabled timely adjustments to drilling practices, which led to improved performance, reduced torque and drag, and mitigated risks for subsequent wireline and completion activities. The result was a more efficient well construction process and a better-characterized final wellbore. This paper provides a data-supported analysis of the operational benefits of continuous survey technology. It presents real-world applications and practical case studies supporting the adoption of continuous surveying as a standard practice to improve drilling efficiency, reduce operational costs, and optimize the overall well construction process.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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