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Keywords: pressure drop
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Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174188-MS
... performance drillstem/well testing deviation formation damage wellbore Drillstem Testing perforation vertical well hydraulic fracture reservoir completion installation and operations fracture face pressure drop skin factor permeability fracture society of petroleum engineers Introduction...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174204-MS
... guar pressure drop formation damage hydraulic fracturing concentration v1-based fluid fracturing fluid Berea core viscoelastic surfactant production direction guar fluid initial permeability filter cake KCl viscosity permeability percentage cacl 2 viscosifier concentration apparent...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165084-MS
... sandstone cores. Reservoir Characterization Upstream Oil & Gas drilling operation concentration acidizing precipitation structural geology effluent sample preflush formic acid mineral pressure drop Bandera sandstone core sandstone acid system Hedta acid carbonate GLDA coreflood...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165147-MS
... acid experiment Sandstone Formation HCl acid pressure drop acid injection regular sandstone acid Introduction Coreflood Experiments Coreflood experiments #1–4 were conducted to investigate the effect of using preflush and postflush stage of HCl acid when using the regular sandstone...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165157-MS
... sulfate asphaltene remediation remediation of hydrates Upstream Oil & Gas precipitation water management wax inhibition neural network porous medium pressure drop scale formation formation damage concentration variation solubility spe 165157 calcium sulphate precipitation anhydrite...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165136-MS
... production control compaction spe 165136 inflow pressure drop wellbore wall noncompliant sand control completion dilatancy deformation reservoir surveillance production monitoring Near wellbore performance in terms of joint inflow and mechanical behaviour is seldom investigated, only...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165123-MS
... Dp 1 = Pressure drop through proppant pack between the internal diameter of the casing and the external diameter of the screens. Dp 2 = Pressure drop through the perforation tunnel Dp 3 = Pressure drop through compacted zone. Completion Installation and Operations total skin...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165193-MS
... fluid containing suspended solid particles with concentration c p overlays a porous medium with length L , porosity ϕ and permeability k . Leak-off occurs upon applying a pressure drop ∆ P. An external filter cake with thickness l c , porosity ϕ c and permeability k c results...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165194-MS
... hematite particle suspension impedance profile filtration external filtration coefficient injectivity decline permeability waterflooding deposition pressure drop external filter cake internal filtration experiment sf-3 experiment particle concentration injectivity Introduction...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165203-MS
.... This paper will discuss the results obtained and give recommendations on whether to use iron control agents in the field or not. Upstream Oil & Gas pressure drop acid injection acid solution HCl solution acidizing concentration experiment Iron Precipitation NaCl brine Fluid Dynamics acid...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165195-MS
... Brine porous medium Upstream Oil & Gas polymer injectivity concentration salinity viscosity polymer concentration chemical flooding methods normalised concentration polymer solution viscosity pressure drop experiment injectivity shear rate experimental data porous media flow rate...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165190-MS
... waterflooding Brine pressure drop salinity enhanced recovery displacement particle migration saturation core sample Upstream Oil & Gas concentration relative permeability Permeability reduction injection permeability bedrikovetsky fresh water mechanism experiment water...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, June 7–10, 2011
Paper Number: SPE-143164-MS
... a cleanout and after hydrocarbon's production have been stabilised. Radial flow, mode of sand collapse, compaction, voidage, sand quality and formation petro-physical properties were tested and analysed using high and low pressure flow cells in order to quantify the changes in pressure drops through...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, June 7–10, 2011
Paper Number: SPE-143166-MS
... fracturing fluid concentration proppant pack fracture conductivity fracturing materials upstream oil & gas simulation model fracture half-length stimulation vessel mln nm 3 horizontal well hydraulic fracturing barge pressure drop operation reservoir cleanup perforation spe 143166...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, June 7–10, 2011
Paper Number: SPE-143449-MS
... the acid injection. Material balance was conducted to determine the amount of surfactant that retained in the core. Experimental results show that VES acid was not able to buildup pressure drop across the core when it was injected inside 70 md permeability cores at various acid concentrations...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, June 7–10, 2011
Paper Number: SPE-143301-MS
... pressure drop acidizing fluid dynamics magnesium pressure drop bandera sandstone core hedta weight loss core permeability sandstone core flow in porous media upstream oil & gas glda coreflood experiment calcium permeability ph value chelate permeability ratio fine migration agent...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, June 7–10, 2011
Paper Number: SPE-143855-MS
...) with a permeability of 10 md and synthetic seawater were used. The core permeability before and after acid treatment, pressure drop response, calcium ion, sulfate ion, and pH values in the core effluent samples were measured. Solids collected in the core effluent samples were analyzed using XPS technique. Both acid...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, June 7–10, 2011
Paper Number: SPE-143643-MS
... was constructed to simulate the matrix stimulation treatment. 1,000 psi back pressure on the core outlet was applied. Pressure transducers were connected to computer to monitor, and record the pressure drop during the experiments every five seconds. Acid concentration and pH values for the collected samples were...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference, June 7–10, 2011
Paper Number: SPE-143998-MS
... impairment in the crushed zone), the actual pressure drop can be derived as follows (referring to the quantities in Figure 1 ): Eq. A2 Δ P a c t = Δ P t h − a + b Nomenclature Nomenclature Abbreviation Expansion Q, q flow rate ΔΡ pressure drop PI...

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