... accuracy to date is achieved by combing two wellbore positions of the same wellbore trajectory. The first wellbore position is calculated using the latest technology of magnetic Measurement-While-Drilling (MWD) Definitive Dynamic Surveys (DDS). The accuracy of the MWD DDS has been enhanced by correcting...

... Abstract Wellbore trajectories are a fundamental piece of data used for decisions throughout the oilfield. Trajectories are typically mapped through measurement-while-drilling (MWD) survey stations collected at 95ft intervals. Previous work suggests that this sparse sampling interval masks...

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... this by using a two-fold approach: an enhanced bottom-hole assembly (BHA) start-up procedure and secondly, a modified algorithm on the mud-pulse telemetry (MPT) uplink decoding software. The enhanced measurement-while-drilling (MWD) BHA start-up procedure focuses on various process steps during the flow-off...

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... Abstract Despite advances in Measurement-While-Drilling / Logging-While-Drilling (MWD/LWD) technologies, the oil & gas industry has until recently lacked viable technologies and tools to measure wellbore geometry in large hole sizes (>12-1/4″) while drilling and subsequently the ability...

... in the long term, while also building safer contingency plans, and making the extraction activity of this natural resource more sustainable. drilling operation upstream oil & gas measurement while drilling united states government trajectory design ellipse well planning reservoir...

... into the system at the bit and a reflection of torsional energy at the motor. Using data derived from a next-generation measurement-while-drilling (MWD) tool, which includes high-speed vibration and internal pressure measurements, we will show that these dynamics are more complex than generally visualized. HFTO...

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... is the development of the vibration health monitoring tool that tracks and filters out recent drilling parameters responsible for high vibration and monitors the overall BHA health. Measurement While Drilling (MWD) or Rotary Steerable (RSS) providers often provide vibration data but are rarely used in real-time...

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... Abstract It has been well documented that magnetic models and Measurement-while-Drilling (MWD) directional sensors are not free from error. It is for this reason that directional surveys are accompanied by an error model that is used to generate an ellipse of uncertainty (EOU). The directional...

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... The availability of a survey tool incorporating new solid-state gyroscopic technology, in combination with the arguments set out above, has led to the study described here, in which an entire wellbore was drilled using gyroscopic measurements while drilling. The new gyroscopic tool is described...

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... Optimizing a weighted objective function into recommend best-case operational parameters. In collaboration with a North Sea operator, a downhole measurement-while-drilling (MWD) system was used in multiple wells during casing exit jobs to collect a rich data set of downhole measurements. Through...

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