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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 (5) v → s l = − w 2 12 μ s l ∇ ( P + γ Z...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168970-MS
... effects. Gas and condensate viscosities under confinement decrease 3-16% and 10-45% respectively. Considering effect of confinement did not affect gas production significantly but the liquid production increased significantly and doubled. The effect of different pore size connectivities caused a 20...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169011-MS
... prediction gas reservoir pore proximity correction shale gas Modeling & Simulation Fluid Dynamics fractured zone boundary complex reservoir fracture compartment numerical solution reservoir permeability non-darcy flow calculation correction viscosity matrix compartment fractured...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164530-MS
... during 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164541-MS
...) with deionized water in a 2% w/w ratio. Brine had a density of 1.0105 g/cm 3 and viscosity of 0.95 cP at 25 °C. A commercial enzyme used in the hydraulic fracturing industry, Econo Gelbreak-EL2X (Economy Polymers and Chemicals, Houston, TX, Lot No. L0901415) was used for 25 °C applications. The enzyme...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164553-MS
..., and will be valuable in understanding the coupling between shale properties and oil recovery. thermal method Upstream Oil & Gas co 2 steam-assisted gravity drainage viscosity enhanced recovery shale matrix final recovery SAGD huff-n-puff process coefficient primary recovery Scenario Bakken...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-152730-MS
..., the cement can be properly placed, thus decreasing the potential for job failures. With the fluid viscosities enhanced, the pump rates can be optimized using hydraulic modeling to obtain increased mud-displacement efficiency. Laboratory testing has shown the latex additive to be effective from 1 to 2.5 gal...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-152877-MS
... reservoirs and serves 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...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-143962-MS
.... 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-crosslinked fluids exposed...
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
... is satisfied as expected. So, it has a great significance not only in improving fracturing treatment effect in above mentioned gas formations but also in perfecting low damage and massive hydraulic fracturing technique as well. proppant concentration hydraulic fracturing fracture length viscosity...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114331-MS
... plug placed at the casing shoe to achieve a temporary seal to the multi-lateral section. For placement, the acid-soluble cement must have a sufficiently low viscosity to be pumped through coiled tubing. Once, in the open hole, the fluid should develop high cement strength to prevent unwanted water from...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114998-MS
... flow test viscosity spe 114998 reservoir Upstream Oil & Gas pressure case isochronal test Energy Resource Conservation Board Drillstem Testing AOF mfaf test kPa drillstem/well testing flow period flow factor turbulence permeability equation low pressure reservoir pressure...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-99445-MS
... k τ 0 ] k k n − 1 2 2 K ( ϕ n ( 1 + 3 n ) ) n ( 8 C ϕ ) 1 + n . Applying the common concept of effective viscosity 10 , this equation can be rearranged to give: (13) v HB n = k μ eff...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-100467-MS
...Abstract 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...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-100524-MS
... fracturing fluid proppant stimulation viscosity fracture half-length surfactant sandstone fluid system enable commercial production concentration net pressure fracture height growth hydraulic fracturing Olmo Formation co 2 proppant concentration height growth structural geology ve-co 2...
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-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...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75721-MS
... Abstract The focus of this work is the behavior of gas viscosity and gas density for hydrocarbon gas mixtures. The viscosity of hydro-carbon gases is a function of pressure, temperature, density, and molecular weight, while the gas density is a function of pressure, temperature, and molecular...

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