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Keywords: viscosity
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Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174178-MS
... operational versatility and proppant transport. This paper compares fluid performance and friction response of a conventional guar-borate fluid and the existing RF system with the newly developed LF-RF fracturing fluid. fracturing materials Upstream Oil & Gas viscosity friction reduction fluid...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174175-MS
... agent for low density fluids, and manganese tetroxide (Mn 3 O 4 ) was used for high density fluids. All fluids were prepared using a multimixer, and the fluid viscosity was examined with a direct-indicating viscometer. Return permeability testing was conducted on both a lower permeability Kirby...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174169-MS
... and kept in position across the reservoir prior to it crosslinking. To overcome the limitation of conventional fluid-loss control pills, a low-viscosity system was developed. The system is composed of a viscous disproportionate permeability modifier (VDPM) with sized synthetic polymer particles and fibers...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174210-MS
... of properties in which the fluid initially develops a specified viscosity in the fracture, followed by rapid fluid rheology breaking and fracture cleanup at the end of the operation. In addition, a good fluid loss control is of key importance for treatment efficiency as well as for the prevention of formation...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174181-MS
... at temperatures above safe limits for base oil. Other products are required at significant concentrations that risk adverse reactions with the water-based filtercake and filtrate. Invert emulsion systems offer greater density and viscosity, but they are incompatible with the water-based filtercakes, risking...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174204-MS
..., and formation permeability were investigated. The regained permeability of sandstone cores (expressed as a percentage of the initial permeability) was used to quantify the damage degree in coreflood tests. The viscosity measurements have shown that V1-based fluids were stable up to 350°F with a high tolerance...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174228-MS
... minimizing damage to reservoir formations. Its only peculiarity is its low transition or melting temperature (T m ) in low salinity fluids and in bromide brines, meaning that its viscosity can collapse very suddenly at 70-120°C. This can be a nuisance in applications where viscosity maintenance at high...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174267-MS
... and proppant pack conductivity, both of which are highly dependent on proppant distribution in the fracture. Stimulation fluids with high viscosity are traditionally employed to open fractures and carry proppant into created fracture area in the formation. Although conventional crosslinked fluids are observed...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174263-MS
.... Mechanical plugs can be set inside gravel pack screens or slotted liners and a chemical sealant can be pumped into this isolated internal section. However, it is difficult to limit fluid flow in the outer annular space. Because most chemical sealants are designed to have relatively low viscosity, they tend...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174232-MS
... even though post-mortem visual observations of the porous sample it did not reveal open hydraulic fractures. Upstream Oil & Gas steady-state model viscosity chemical flooding methods Fluid Dynamics injection pressure experiment enhanced recovery polymer injection porous medium...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference and Exhibition, June 3–5, 2015
Paper Number: SPE-174280-MS
.... The polymer also incorporates functional groups that resist damage from water hardness. In addition, the polymer hydrates almost instantaneously and allows rapid viscosity generation and adjustment without a hydration unit, which greatly reduces footprint of hydraulic fracturing treatments. While this new...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165152-MS
... sand control Reservoir Characterization Directional Drilling drilling operation flow in porous media interaction force damage rate productivity migration productivity prediction deposition model Fluid Dynamics viscosity gravel layer Modeling & Simulation Upstream Oil & Gas...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165082-MS
...Identification of Damage Mechanism Adegbola and Boney (2002) presented a relationship between the fluid loss and viscosity of a fracturing fluid invading the fracture-face matrix and the resulting fracture-face skin. The distance that a fracturing fluid would penetrate into the fracture...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165083-MS
... and particle size distribution-and in this way its effect on formation damage. At elevated temperatures these effects are more significant. drilling fluids and materials plastic viscosity size distribution drilling fluid selection and formulation Upstream Oil & Gas fluid loss formation damage...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165089-MS
..., a self-diverting acid system based on a viscoelastic surfactant (VES) technology was introduced for carbonate reservoir stimulation. The Self-Diverting VES (SD-VES) promotes viscosity development when the acid comes in contact with the carbonate formation. The mechanism of viscosity development...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165161-MS
... acidizing waterflooding enhanced recovery core analysis corrosion inhibitor experiment hydrolysis product hydrolysis time acid ves-based acid viscosity viscoelastic surfactant shear rate acid system Upstream Oil & Gas concentration hour 0 ves-based acid viscosity change...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165124-MS
... similar conditions. wax remediation scale remediation wax inhibition paraffin remediation Hydrate Remediation Production Chemistry asphaltene remediation remediation of hydrates viscosity hydrate inhibition asphaltene inhibition synthetic oil enhanced recovery Upstream Oil & Gas...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165128-MS
...-based fluid Package A 250 2,000 16 Res-free fluid Package C (low temp) 160 2,000 92 Viscosity Abstract Currently, guar-based fluid systems are the preferred choice for hydraulic fracturing operations, primarily because the fluid formulations can be widely varied depending...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165130-MS
... Slickwater fracturing, different from fracturing using cross-linked fluids, has been developed and used in tight gas sand reservoirs since successful operations in the Cotton Valley Sand in East Texas in 1997. Because of the very low viscosity of the fluid, proppant transport is achieved...
Proceedings Papers

Paper presented at the SPE European Formation Damage Conference & Exhibition, June 5–7, 2013
Paper Number: SPE-165164-MS
... When the size of the ion is small, this results in a higher charge density for cations. The larger anions increase the adsorption ( Zhang and Cremer, 2006 ; Goodwin, 2009 ). Fig. 3 shows the viscosity of 4 vol% VES micelles in 20 wt% NaCl brine with and without nanoparticles at 275°F...

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