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Keywords: viscosity
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Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175803-MS
... conditions and has comparable properties to guar-borate fluids with respect to proppant transport capacity and rheological characteristics (e.g. viscosity building and breaking behaviors). This paper presents the first successful implementation of this novel fluid system in the BRN field in Algeria...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175782-MS
... Abstract Dual-viscosity fluid is a fracturing fluid that has been recently introduced to cover a wide range of fracturing applications varying, from a non-delayed to delayed fluid system for treatments in low to moderate to high temperatures, respectively. Reducing the impact of the pressure...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175786-MS
... concentration fluid stability shear rate fracturing fluid borate crosslinked gel stability high temperature proppant gel stabilizer viscosity gal hpg hydraulic fracturing stabilizer thermal stability gs Shear Condition permeability degradation gal xl rheology test Introduction...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175762-MS
... associative polymer and wormlike micelle of viscoelastic surfactant. The fluid contained surfactant ten times less than that of conventional viscoelastic surfactant fracturing fluid. The combination of viscoelastic surfactant and associative polymer synergistically enhances the viscosity ten times more than...
Proceedings Papers

Paper presented at the SPE North Africa Technical Conference and Exhibition, September 14–16, 2015
Paper Number: SPE-175726-MS
... viscosity and attained recovery, and (4) study the effect of initial oil saturation at the start of the ASP process on the oil recovery. Actual crude oil, formation brine, and low permeability carbonate reservoir samples are used to undertake this experimental study. Viscosity, pH, and Interfacial tension...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164656-MS
... ; Gulbis et al. 1992 ). The desired release rate can be achieved by choosing the appropriate composition of polymer blend and breaker loading. The rheology testing was conducted to ensure that sufficient viscosity was maintained to place the proppant and that a controlled and complete fracture would occur...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164722-MS
... difficult to exploit with gas lift because crude oil has 19 °API, the reservoir pressure was low, and surface dead oil viscosity ranged from 30,000 to 40,000 cp. New advances have recently been made to increase oil production. These innovative practices include: (1) Injected condensate gas...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164733-MS
..., acquiring and interpreting pressure transient data from Wireline Formation Testers, as well as the importance of real-time monitoring and control of data. Drillstem Testing Thickness pressure transient data flow in porous media Fluid Dynamics viscosity real time system drillstem/well testing...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164686-MS
... reservoir Drillstem Testing viscosity kareem sand Asl reservoir pressure value drillstem/well testing producer society of petroleum engineers permeability pressure performance spe 164686 mobility Kareem reservoir accumulation BOPD In the following paper sections, a brief field history...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164702-MS
... layers as described in ( Fig.1 ) Abstract Issran field is located 200 km east of Cairo-Egypt, producing from fractured dolomite reservoir 8-12 API oil gravity. The reservoir depth ranges from 1000-2000 ft, with BHP 300-500 psi and BHT of 120-200 F. The heavy oil viscosity is 4000 cp at standard...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164626-MS
... Upstream Oil & Gas viscosity porosity sour gas Sulfur sulfur adsorption Introduction ○ Poly condensation of H 2 S at high temperatures and pressures ○ Thermo-chemical sulfate reduction ○ Air oxidation of H 2 S ○ Ionic Polysulfides formed by dissociation of sulfides, H 2 Sx...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-151402-MS
... are investigated. Results show that flow development depends on the core to outer diameters ratio, oil viscosity, flow velocity, and water loading ratio. As oil's viscosity increases, flow structure develops faster towards fully developed one. Fully developed velocity profiles show uniform distribution in oil's...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-151642-MS
..., thereby saving the time and rigors associated with laboratory experiments. drilling fluid chemistry drilling fluid formulation plastic viscosity drilling fluids and materials engineering mud weight surface mud weight drilling fluid selection and formulation upstream oil & gas viscosity...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-151667-MS
... and viscosity force. According to force dominancy, three different scenarios are proposed. In each scenario synthetic fine grid model represents actual fracture distribution. And upscaling parameters of each equivalent dual medium model are determined by matching the results of the fine grid model simulation...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-152040-MS
... Abstract Hydraulic fracturing employs crosslinked polymeric gels that are pumped into a subterranean formation with sufficient viscosity properties to generate fracture geometry in the subterranean rock and transport solid proppants to hold the fracture open. The extent of crosslinking...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-151952-MS
... of bypassed or upswept oil. Use of polymer flooding increases water viscosity which controls water mobility thus improving the sweep efficiency, thus increasing the recovery factor. Many successful polymer projects have increased recoveries of 3-10%. This paper presents a case study to investigate...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-149774-MS
... simulation can improve the oil spill contingency plans to support a risk-based decision which prevents future fatal accidents. chemical spill offshore rig industrial activity contingency plan upstream oil & gas viscosity oil spill risk assessment scenario gulf environmental condition...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-150650-MS
... for bubble point pressure, 6 models for solution-gas-oil ratio, 14 models for oil formation volume factors, 13 models for oil compressibilities, 14 models for dead oil viscosities, 9 models for saturated oil viscosities, 10 models for under saturated oil viscosities, 12 models for under-saturated oil...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-150913-MS
..., polyacrylamide chain is stretched due to the electrostatic repulsion between the negative charges in the carboxylate groups on the chain ( Nasr-el-din 1991 ). Viscosity enhancement will occur because of the chain extension and physical entanglement of the solvated chains ( Khan and et al. 2009 ). HPAM...

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