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Keywords: frictional pressure loss
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187151-MS
... increases, the frictional pressure loss between the drillpipe and wellbore increases. This could lead to more torque and drag related problems such as buckling, stick slip, vibration, and lockup events. Adequate annular velocity is required to transport cuttings to surface. However, because...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166103-MS
... drilling to be achieved using a lower, but optimized, flow rate, rheological properties, and mud weight. In this paper, the frictional pressure loss during Casing Drilling operation is evaluated using Computational Fluid Dynamics. Annular pressure losses have received substantial attention in theoretical...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166112-MS
... 166112 drilling fluids and materials pipe rotation cwd operation application lcm exhibition frictional pressure loss particle size distribution Introduction CwD technology has shown strong potentials for drilling in depleted sections to mitigate lost circulation problem and reduce Non...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–29, 2004
Paper Number: SPE-89747-MS
... Abstract The impact of spherical, flake, and fiber microparticle addition on frictional pressure loss in turbulent gas flows was experimentally investigated. Pressures up to 6.6 MPa (955 psig) were studied. Drag reduction ( i.e ., reduced frictional pressure loss) was clearly observed only...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1999
Paper Number: SPE-56467-MS
... injection rate bottomhole assembly perforation bypassed pay hydraulic fracturing packer hydrocarbon production stimulation fluid system frictional pressure loss upstream oil & gas production enhancement well intervention flow in porous media production monitoring fracturing fluid coiled...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 22–25, 1995
Paper Number: SPE-30525-MS
... and pressure loss. During CLEAN-OUT TESTS, methods for circulating out stationary gas positioned in traps in the well were studied. New correlations for gas transport velocities and frictional pressure losses have been developed based on these data as well as data from two low pressure flow loop tests...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 22–25, 1995
Paper Number: SPE-30488-MS
... ABSTRACT The effect of rotation on the frictional pressure loss in an annulus has been studied experimentally. A direct comparison with results obtained with a 3D CFD (computational fluid dynamics) code has been performed for laminar flow. Experimental results for three fluids are presented...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 6–9, 1991
Paper Number: SPE-22583-MS
... frictional pressure loss wellbore drilling fluid management & disposal optimisation drilling fluid formulation spe 22583 rheology equation flowrate drilling fluid property prediction drilling fluid selection and formulation submodel society of petroleum engineers size range drilling fluids...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 1983
Paper Number: SPE-11993-MS
... a comparison of the relative accuracy of the various proposed techniques. In this study, experimental pressure gradient data have been taken in two 6000 ft. wells. Frictional pressure losses for single phase flow (mud only) in two annuli were compared to values predicted by the Bingham Plastic and Power law...

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