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Keywords: reduction
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Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199279-MS
... of a Black Oil flow simulator developed under a dual permeability approach, coupled to a stress-sensitive fracture width and a filtration models. The phenomenological model studied allows to investigate the effect of the particulate material in the reduction of permeability due to the combined effect...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199312-MS
... wells, a reduction of water production was observed as side effect. Nevertheless, the main objective remained sand control and not water control. The present paper describes a polymer treatment performed in an offshore well equipped with sand control gravel-pack downhole completion. This well was...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199252-MS
... in this high-permeability plug is due to the effects of interfacial tension reduction (from 26.07 mN/m for freshwater-oil to 5.79 mN/m for fracturing fluid-oil) by surfactants. In terms of shut-in times, k o e f measured after 3- and 14-day shut-in times in high permeability plugs...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189471-MS
... showed that increase in temperature can significantly increase the degree of mud solids cross flow and fines mobilization through the porous media. Thus, leading to the reduction of formation permeability. In a radial system, ceramic filter tubes representing homogenous porous media are often used to...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189469-MS
... apparatus load recovery Surfactant Performance Exhibition reduction surfactant additive permeability recovery surfactant international symposium oilfield chemistry Once the method was established and determined to be statistically robust, the ability to differentiate surfactant...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189470-MS
... Dynamics injectivity impairment co 2 dry-out zone salinity initial permeability solid salt saturation Upstream Oil & Gas pressure drop porosity reduction saturation salt saturation injectivity permeability salt precipitation subsurface storage CCS is recognized as a viable...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189495-MS
... interactions. No permeability reduction was observed when completion fluids with pH ≤ 10 were injected into the sandstone core plug. However, a reduction of permeability of 76% was observed after injection of high pH completion fluid no. 3 (pH ≥ 10). Zeta potential experiment showed a stable clay charge and...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189498-MS
... Figure 7 for sample F1A and F2A respectively. In the first ascending stress path with Nitrogen as pore fluid, the confining stress is increased up to 55 MPa (7977 psi) followed by the reduction of confining stress from 55 MPa (7977 psi) to 2 MPa (290 psi) . Next, the stress is increased to 55 MPa (7977...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189537-MS
... reducers: one anionic and the other cationic. Water data were also gathered as base line. Same fluid samples were submitted to all laboratories. The calibration procedure and fluid testing procedure was developed and distributed to all involved in fluid testing. The analysis for data reduction and for...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189553-MS
... permeability compacted zone perforation tunnel mechanism debris porosity zone pressure drop thin section permeability reduction zone permeability test core where L p is length of perforation tunnel. Using a finite-volume code that solves the problem of steady-state, incompressible...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178944-MS
... gained. Upstream Oil & Gas pore pressure Simulation reduction high pore pressure pressure condition CT image simulated gun carbonate core laboratory psi pore pressure Completion Installation and Operations liner debris penetration reduction Sandstone Core configuration...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178983-MS
... diversion dissolution particle size distribution pack permeability dissolution rate flake reduction particulate diverter permeability The evolution of fracturing technology has provided the industry with numerous advances, ranging from sophisticated fluid systems to tip-screen out designs to...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178985-MS
...-linked fluids showed a more than 90% viscosity reduction, without any viscosity rebound on cooling. The chlorophyll worked efficiently up to 250°F but the optimum temperatures are at 175 to 200°F with narrow pH range of 9.5 to 10. The chlorophyll-treated fluids also showed a reduction of molecular...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179028-MS
... the study show that injection of an small slug (~1% PVI) of low salinity water into the water producing well resulted in ~30% reduction in produced water cut and ~6% incremental recovery. waterflooding Bedrikovetsky breakthrough Zeinijahromi enhanced recovery permeable layer water flood...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179029-MS
... objectives of this study are (i) to develop laboratory methods of assessing conductivity reduction from different fluid-based factors such as polymer residue and scale and (ii) to develop correlations to predict retained permeability based on simplified measurements. The simple methods will minimize the need...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179002-MS
... single-trip multizone systems. Perforating all zones simultaneously in one trip saves time and reduces risks when compared with stacked completions requiring multiple trips for each zone. Safety and cost reduction are extremely important in deepwater operations. Risk control is very important because...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168205-MS
... large pressure gradients measured along the core. The dope, although in relatively small concentrations causes a considerable permeability reduction and, implicitly, a marked reduction in connected porosity. The latter is particularly important because small quantities can cause very large damage...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168133-MS
... reservoir level by gas / solvent co-injection. In the first scenario, Sw reduction / Kg improvement is attained in the gastimulated area probably by coupled effects of evaporation and water slug displacement. For the condensate blockage scenario, it was noted that micellar type of surfactants exhibit the...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168149-MS
... recompletion section sector model pressure drop Completion Installation and Operations flow rate icd recompletion perforation annulus permeability configuration completion design inflow Upstream Oil & Gas oil production productivity md annulus permeability reservoir reduction spe 168149...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168115-MS
... Reservoir Surveillance Well Intervention concentration emulsified friction reducer prevent production control production logging Upstream Oil & Gas emulsion powder polyacrylamide application friction reduction friction reducer reducer reduction downhole intervention production enhancement...

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