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Keywords: pressure drop
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Proceedings Papers

Paper presented at the SPE Low Perm Symposium, May 5–6, 2016
Paper Number: SPE-180245-MS
... not affect the breakability of the new friction reducer. fracturing materials fracturing fluid pressure drop persulfate flow in porous media Upstream Oil & Gas ammonium persulfate proppant hydraulic fracturing slickwater reducer breaker shale gas gpt sodium persulfate injection...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, April 14–16, 2009
Paper Number: SPE-122917-MS
... the BHTP inside the wellbore by perforation friction and near-well pressure drop or "tortuosity". This paper does not address calculation of these two factors and focuses on the estimation of BHTP inside the pipe only. Equations are presented for straight water and oil, slick-water, linear polymer aqueous...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-108190-MS
... transient testing Drillstem Testing pseudoskin factor storativity ratio natural fracture pressure drop vertical openhole analytical model drillstem/well testing transient flow hydraulically fractured well hydraulic fracturing Upstream Oil & Gas fracture length semilog straight line...
Proceedings Papers

Paper presented at the Rocky Mountain Oil & Gas Technology Symposium, April 16–18, 2007
Paper Number: SPE-107989-MS
... section. Therefore, there is a need to study the influence of pressure drop along the wellbore on the well productivity 2, 3, 4. Although some researchers studied the pressure drop along a wellbore due to friction, most of these models were developed based on regular pipe flow models, which cannot...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, May 21–23, 2001
Paper Number: SPE-71074-MS
... displacement triplex pump. Fluid is discharged from the triplex pump onto a straight or coiled tubular of known diameter and pressure drop is recorded across several intervals along the pipe. hydraulic fracturing upstream oil & gas lbm mgal friction pressure correlation pressure loss...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, May 21–23, 2001
Paper Number: SPE-71065-MS
... permeability drillstem/well testing pressure drop tight gas formation permeability 0 drillstem testing gas screening tool Copyright 2001, Society of Petroleum Engineers Inc. This paper was prepared for presentation at the SPE Rocky Mountain Petroleum Technology Conference held in Keystone, Colorado...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60302-MS
... of a significant permeability variation along the fracture. The variation in fracture and matrix permeabilities are determined numerically by matching measured and calculated pressure drops, H 2 O/D 2 O concentration profiles and cumulative production. An ECLIPSE model with a fracture containing two partial...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition, March 12–15, 2000
Paper Number: SPE-60308-MS
... Abstract This study concludes that the shape as well as the time of breakthrough of a water or a gas cone are significantly affected by the pressure drop within the wellbore. An analytical model is used to demonstrate features of the movement of a cone when pressure drops in the wellbore...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 15–18, 1999
Paper Number: SPE-55625-MS
... reservoir surveillance liquid film droplet lifting critical flow rate water level change gas flow rate production control production monitoring experiment wellhead pipe gas well liquid lift pressure drop flow loop separator production logging liquid production response...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium, April 5–8, 1998
Paper Number: SPE-39950-MS
..., elasticity, and fluid-flow mechanisms. Key features include unexpected fracture containment, multiple fracture strands, secondary and T-shaped fracturing, large pressure drops down the fracture, significant differences in microseismically imaged geometry as a result of fluid-system changes, unexpectedly...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, March 19–22, 1995
Paper Number: SPE-29553-MS
... for each interval. To ensure that both zones are being treated, a minimum pressure drop of 700 to 1,000 psi is usually used for limited-entry design. Changes in the perforation discharge coefficient and diameter during the treatment, combined with changes in the net treating pressure, affect...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, April 26–28, 1993
Paper Number: SPE-25899-MS
... efficiencies. In various long core flood displacements, including both drainages and waterfloods, emphasis has been on recording local in-situ saturation development, obtaining recovery efficiencies and studying effects on the saturation profiles from displacement pressure drops, flow rates and initial...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, April 26–28, 1993
Paper Number: SPE-25891-MS
... Abstract Even though pressure drop across perforations for clean fracturing fluids can generally be accurately predicted, it is not well understood for fracturing slurries. In this paper, two wellbore models-one transparent and one high pressure-were used to study the perforation friction...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 18–21, 1992
Paper Number: SPE-24332-MS
..., is required for most reciprocating compressor installations. There are capital and operating costs associated with these pulsation control devises. Performing a acoustical analysis enables these devices to be designed to optimize the pulsation control, capital cost and operating cost (pressure drop) over...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, April 15–17, 1991
Paper Number: SPE-21827-MS
... constant sandface rate pressure drop sandface rate pressure response sequence artificial intelligence pressure response wellbore storage spe 21827 drillstem testing pressure drop constant sandface rate pressure response infinite series pressure production porosity system horizontal well error...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, April 15–17, 1991
Paper Number: SPE-21874-MS
... this type of fluid loss in fracture simulation calculations, or the effects of this fluid-loss mechanism on pressure drop in the fracture. While the loss of fluid to intersecting fractures is not the only fluid-loss mechanism in naturally fractured sandstone reservoirs, it can dominate the fluid loss...
Proceedings Papers

Paper presented at the Low Permeability Reservoirs Symposium, April 15–17, 1991
Paper Number: SPE-21812-MS
... Abstract A series of laboratory experiments have been conducted with specially designed equipment to aid in quantifying the pressure drop of proppant-laden slurries while flowing between coal, and measuring the conductivity of various proppants once placed in a coal fracture. The rheology...
Proceedings Papers

Paper presented at the SPE/DOE Joint Symposium on Low Permeability Reservoirs, May 18–19, 1987
Paper Number: SPE-16406-MS
... is analyzed. P. 173^ hori zonta 1 vicinity flow in porous media productivity index society of petroleum engineers fracture criterion areal productivity index relation production control fluid dynamics pressure drop hydraulic fracturing horizontal well reservoir surveillance directional...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 19–21, 1986
Paper Number: SPE-15183-MS
... engineers impingement h2s management subsurface corrosion pressure drop particle equation threshold velocity shear strength pipeline corrosion completion target material production monitoring erosion rate spe 15183 well integrity riser corrosion mechanism SPE 15183 Erosion Damage in Oil...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Regional Meeting, May 22–25, 1983
Paper Number: SPE-11830-MS
... transient analysis pressure drop upstream oil & gas Abstract The analytical solution of the wellbore pressure in a reservoir which is located near a slanted fault were derived using the method of images and by applying the principle of superposition to the Kelvin's point source solution...

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