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Keywords: viscosity
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Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168967-MS
... model proppant proppant fracture wall viscosity fracture propagation equation shale gas fracturing fluid gas reservoir reservoir coefficient true vertical depth fracture propagation leakoff coefficient Introduction A fully coupled numerical framework to simulate the hydraulically...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168970-MS
... therefore condensate drop-out and near wellbore permeability impairment are reduced. After 10 years of production, condensate saturation around SRV is 6-10% less under confinement effects. Gas and condensate viscosities under confinement decrease 3-16% and 10-45% respectively. Considering effect...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164553-MS
... recovery factor is only 5-10% ( Hoffman, 2012 ). Enhanced oil recovery (EOR) by water flooding may be too slow because of the low injectivity of water. In contrast, it may be possible to inject CO 2 and N 2 due to their low viscosity. For instance, when pressure is higher than 1070 psi and temperature...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164530-MS
... water drainage in propped fractures is controlled by mobility ratio and displacement direction relative to gravity direction, which needs further investigation. This paper reports various fracture drainage experiments to understand the effect of gravity, surface properties, and viscosity on fracture...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164541-MS
... Sodium hydroxide (1 M or 0.1 M) was used as pH modifiers. It was obtained from Fisher Scientific (Pittsburgh, PA. Lot No. 120837A). Measurement of Viscosity for HPG solutions: A Bohlin CS10 rheometer (Malvern Instruments, Malvern, England) equipped with a 4/40 cone and plate geometry was used...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-152730-MS
... to conventional cement, but many of the mechanical properties of the set cement sheath are what allow zonal isolation for the life of the well. Where factors affecting hydrostatic pressure are fluid weight and column height, and factors affecting frictional pressure are fluid viscosity, centralization...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-152877-MS
... as a guide for improved hydraulic fracturing practices in ultra-tight gas basins throughout the United States. hydraulic fracturing gel loading selection sandstone fracturing fluid fluid retention proppant size proppant fracture length viscosity fracturing materials upstream oil & gas...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-143962-MS
... for a variety of field applications. Among the unique features of this fluid is the ability of the crosslink viscosity to "re-heal" or "recover" after exposure to high shear rates. Based on laboratory tests described in SPE 134266, it was determined that the "re-healing" time can be excessive for some borate...
Proceedings Papers

Paper presented at the Tight Gas Completions Conference, November 2–3, 2010
Paper Number: SPE-136183-MS
... materials concentration conductivity shale gas completion installation and operations eagle ford shale wellbore hydraulic fracturing upstream oil & gas injection rate xlink 50 30 50 barnett shale fracturing fluid viscosity proppant Introduction The first question typically asked...
Proceedings Papers

Paper presented at the SPE Tight Gas Completions Conference, June 15–17, 2009
Paper Number: SPE-125250-MS
... of a zirconium-crosslinked, 0.79% HT synthetic gel. Both gels contained the same mass percent concentration of polymer. The CMHPG gel builds notable viscosity fast during the heating profile; however, gel stability precipitously drops shortly into the test as the crosslinked-gel viscosity degrades. In fact...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114303-MS
.... proppant concentration hydraulic fracturing fracture length viscosity optimization fracturing fluid fracture closure technique tight gas formation conductivity application natural fissure post-fracturing performance gel proppant weight fracturing materials Upstream Oil & Gas pay zone...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114331-MS
... placement water production Upstream Oil & Gas concentration gel system strength viscosity gelation time shear rate placement fluid dynamics reservoir casing and cementing waterflooding drilling operation drilling fluid formulation drilling fluid property flow in porous media drilling...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114998-MS
... of turbulence. The second part describes a new type of flow test, which is a modified version of the traditional flow after flow test. The method of analysis of this proposed test requires the use of commonly available well testing software, and has been verified using synthetic data. flow test viscosity...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-100467-MS
... Abstract Recent advances in guar and cross-linker technologies have resulted in the development of high viscosity cross-linked borate fracturing fluids without increasing polymer loadings. These Low Polymer borate fracturing fluids (LP) are successfully being utilized in various formations...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-99445-MS
... gradient simulator polymer viscosity investigation saturation cleanup permeability equation of state wellbore hydraulic fracture cleanup spe 99445 effect porous media numerical investigation Introduction Evaluation of postfracture performance has been the subject of extensive...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75702-MS
... Abstract An excessive high treatment pressure may be required to execute a production enhancing hydraulic fracture treatment in a tight-gas reservoir, particularly if the treatment is designed with inappropriate values for treatment parameters: fracturing fluid viscosity, injection rate...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75503-MS
... effective permeability oil phase upstream oil & gas pseudopressure phase pseudopressure inflow performance relationship jokhio permeability spe 75503 effective permeability integral complex reservoir establishing inflow performance relationship viscosity well performance permeability...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75690-MS
... pumping, LMWF fluid returns to its original low viscosity shortly after fracture closure. The distinctive properties of this fluid will be presented, along with a discussion of the influence that this system is expected to have on the effectiveness of fracture stimulation treatments. Case history...

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