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REAL-TIME DIRECTIONAL SURVEY QUALITY IMPROVEMENT USING WEB-BASED TECHNOLOGIES
Particularly effective quality control is achieved by independent validation. A novel real-time web application was developed for the transfer of directional survey data between the rig site and a remote operations center.

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IMPROVED BHA SAG CORRECTION AND UNCERTAINTY EVALUATION BRINGS VALUE TO WELLBORE PLACEMENT
Recent well positioning uncertainties evaluation per SPE published ISCWSA model for MWD survey tools suggests that 80% of the inclination measurement error budget is a consequence of BHA sag.

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MICRO DOGLEG DETECTION WITH CONTINUOUS INCLINATION MEASUREMENTS AND ADVANCED BHA MODELING
Micro doglegs are a natural effect of any vertical or directional well that can explain a wide variety of down hole problems, from additional torque and drag to an inability to run completions.

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SYSTEMATIC FIELD VALIDATION OF NEW CASING WEAR QUANTIFICATION PROCESS
To properly derive the wear from simulated mechanical work, a 3-D oriented wear model is used. This 3D mesh is able to distinguish the influence of different contact geometries on the wear groove shape and the location of thinnest

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MITIGATING AND UNDERSTANDING STICK-SLIP IN UNCONVENTIONAL WELLS
Stick-slip is still present in most of the wells drilled today, especially in unconventional wells. Friction is an inevitable and important force along the long lateral section, but it contributes to many types of dysfunctions that lead

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USING ALUMINUM DRILL PIPE WITH AXIAL OSCILLATION TOOLS TO SIGNIFICANTLY IMPROVE DRILLING PERFORMANCE
Aluminum drill pipe has already been proven as a viable alternative to steel drill pipe when drilling long horizontal wells thanks to its lighter weight that does not compromise resistance to yield.

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LEARNING CURVE BENEFITS RESULTING FROM THE USE OF A UNIQUE BHA DIRECTIONAL BEHAVIOR DRILLING PERFORMANCES POST-ANALYSIS
Already, the methodology has solved challenging directional performances issues, generating significant savings and optimizing the learning curve process.

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NONLINEAR DYNAMICS OF A DRILLSTRING IMMERSED IN A 3D CURVED WELL, SIMULATIONS AND EXPERIMENTS
During drilling operations, the bit-rock and drillstring-wellbore contacts with stick-slip phenomena, fluid structure interaction, and mass unbalances distributed along the drillstring yield nonlinear.

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SIMULATION VALIDATION, CALIBRATION AND FIDELITY OF A DYNAMIC DOWNHOLE DRILLING PHENOMENON
This paper presents the simulation of a dynamic downhole drilling phenomenon which resulted in significant non-productive time and unnecessary drilling cost.

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DYNAMICS VIBRATION PREDICTION AND COMPARISON WITH DOWNHOLE DATA MEASUREMENTS IN UNCONVENTIONAL WELLS
This paper proposes a numerical model developed in the time domain to estimate the drillstring lateral, axial, and torsional dynamics.

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