1-20 of 103
Keywords: borehole
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208704-MS
... the wellbore stability analysis on predictions of shear and tensile failure at the borehole wall for different wellbore trajectories through the shale formation above the reservoir. We utilize in-situ stress and pore pressure prognoses in combination with results from rock mechanical tests of 11 oriented core...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208748-MS
... Abstract In recent years multiple papers on borehole torsion, well curvature, and well profile energy have been published, highlighting the potential value in describing the well path with these new indices. ( Samuel et al. 2021 ; Samuel and Zhang 2019 ; Samuel and Liu 2009 ; Samuel et al...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204068-MS
... without any other effect under the revere faulting regime. The center of the polar diagram stands for vertical wells and the outer ring correspond to horizontal wells. Figure 40 Breakout prediction around a borehole in depleted reservoir condition Figure 38 Breakout prediction around...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204117-MS
... Table 2 Summary of previously published cost estimates for borehole repositories and mined repositories. Description & reference Inventory size Cost Unit cost Comment Netherlands (ERDO project) 209 m 3 238 MEUR 1.1 MEUR/ m 3 0.6 m wide, 3500 m deep diameter...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199547-MS
... and an analytical solution for fracture width was proposed for a vertical borehole under transverse isotropic stress conditions (S H =S h ). Wellbore and fracture geometry are shown in Fig. 2 . (1) w σ ( x ) = 4 ( 1 − υ 2 ) E ( P m u d − S h...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199613-MS
... dynamic contact forces can act to reduce the effective weight on bit. The contact forces that push a stabilizer blade to be constrained within a borehole include both static and dynamic components. The dynamic forces are difficult to visualize as they are generated by the BHA in motion, and a well...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199617-MS
... drilling operation borehole propagation Upstream Oil & Gas trajectory Artificial Intelligence curve section borehole quality Directional Drilling curvature marck mud motor tortuosity borehole deflection validation BHA inclination wellbore rugosity Exhibition geometry...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194082-MS
..., real-time operations, and post well analysis. drilling operation drilling fluid dynamic model open source model Upstream Oil & Gas information spe annual technical conference Artificial Intelligence modeling Exhibition Drilling SPE Drilling requirement interaction borehole...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 6–8, 2018
Paper Number: SPE-189600-MS
... To further the investigation, analytical and finite element analysis (FEA) models are developed and validated with experimental results. An analytical model provides a simplified and expeditious response, but is limited to a continuous borehole profile. Finite element models overcome...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184595-MS
... established to further increase the operational awareness and alertness throughout the job. Sweep pills, reaming and short trips were optimized to keep a clean hole and avoid disturbing the borehole. Two different BHA's were utilized to complete this borehole: steerable mud motor to drill the curved section...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178862-MS
... desirable to provide quantitative information about hole cleaning conditions: at the planning stage, while drilling or when investigating incidents. Because the ability to transport cuttings particles varies with their position in the borehole and the current drilling parameters, hole cleaning modelling...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178828-MS
... of controlling them in real-time. Variables Available Pre-Run Hole Size and Tool Size The borehole size, compared to the tool size, is a significant factor in tool sticking because more stand-off is achieved with a larger difference between these two variables. The larger difference affects...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178852-MS
.... In this paper, numerical solutions for the differential equations describing the motion and dynamics of the BHA are provided including impact effects with the borehole while drilling near vertical wellbores. Secondly, the dynamics of this motion are coupled with a neural network model that is calibrated...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2015
Paper Number: SPE-173048-MS
... Abstract From field experience, even if a borehole is stable while drilling through a shale, it may turn unstable with time when the well is left static for a sufficiently long period of time. This may in some cases be explained by the collapse limit being located somewhere in-between...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2015
Paper Number: SPE-173049-MS
... factors of the long horizontal wells that are typically associated with today's unconventional shale plays: removal of formation cuttings from the borehole, and frictional drag between non-rotating drill strings and the wellbore wall. Minimizing these effects, by introducing controlled vibrations...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2015
Paper Number: SPE-173156-MS
... Abstract The occurrence of borehole spiraling is predicted by analyzing the delay differential equations that govern the propagation of a borehole. These evolution equations for borehole inclination and azimuth are obtained by considering the following three model components: (i) a bit/rock...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 4–6, 2014
Paper Number: SPE-167921-MS
.... Upstream Oil & Gas terra 3 cretaceous formation pin 0 box 0 drilling operation drilling time borehole RSS Mexico south region international association of drilling contractors turbodrill high chert content application hybrid bit power section average rop iadc spe 167921 chert content...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 4–6, 2014
Paper Number: SPE-167991-MS
... shale safe mud weight window iadc spe 167991 borehole tangential stress elastic medium wellbore stability mud pressure MPa infinite elastic medium Introduction When a borehole is drilled in rock formation, it induces stress redistribution in the rock mass and significant stress...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 4–6, 2014
Paper Number: SPE-167992-MS
... the propagation of a borehole. These propagation equations are derived from a novel mathematical model, constructed by combining (1) a bit/rock interaction law, which relates the forces acting on the bit to the penetrations of the bit in the rock per revolution; (2) kinematical relationships, which link the bit...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 4–6, 2014
Paper Number: SPE-167963-MS
.... The redistribution of stresses around the borehole is known to depend on the orientation of the borehole with respect to in-situ stresses. This affects the measured LOP. Using rock mechanics models and field data, the study confirmed that LOP measured in inclined wells may need an adjustment (numerical correction...

Product(s) added to cart

Close Modal