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Keywords: pressure drop
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Proceedings Papers

Paper presented at the SPE Oklahoma City Oil and Gas Symposium, April 9–10, 2019
Paper Number: SPE-195186-MS
.../solids control sand production run time sand screen centrifugal force intervention Efficiency artificial lift system Upstream Oil & Gas criteria run life Management Tool society of petroleum engineers pressure drop application filtration sand management tool open area installation...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–26, 2013
Paper Number: SPE-164487-MS
... pressure drop wormhole emulsified acid drilling fluid formulation drilling fluid selection and formulation drilling fluids and materials drilling fluid property Acid stimulation treatment involves injection of acid to attack the rock, and dissolve porous and non-porous minerals in order to...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–26, 2013
Paper Number: SPE-164491-MS
... rate was increased by reducing the HCl/HF ratio and/or inhibitor concentration. Upstream Oil & Gas corrosion rate Fluid Dynamics pressure drop sandstone acid flow in porous media precipitation preflush Bandera sandstone core injection sandstone acid HCl acid acidizing...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 27–29, 2011
Paper Number: SPE-140138-MS
..., which showed that increasing the formic acid concentration increased the live acid viscosity and decreased the viscosity of the spent acid. acidizing breakthrough pressure drop formic acid upstream oil & gas formic acid concentration experiment carbonate reservoir concentration acid...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 27–29, 2011
Paper Number: SPE-141525-MS
... Newtonian fluids in horizontal pipes. Based on their analysis, Shah and Lee (1986) extended the application to predict pressure drop of proppant-laden non-Newtonian hydraulic fracturing fluids in vertical pipes. The frictional pressure drop of proppant-laden fluids is often expressed as the sum of...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, April 4–8, 2009
Paper Number: SPE-120042-MS
... to calculate the pressure drop under foam flow conditions. Conventional pressure drop prediction models are unable to correctly predict the pressure drop under these conditions. In this paper, a new model is developed to predict the pressure drop under foam flow conditions. By using a simple drift...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, April 4–8, 2009
Paper Number: SPE-120280-MS
... correlation or model to use in predicting pressure drop in hilly terrain pipes due to the complexity of flow, since in a hilly terrain pipeline, fluid flow can be uphill, downhill and horizontal. Pressure, temperature and rate measurements as well as fluid properties were given for a 2.8 mile long hilly...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106547-MS
... gages are installed on both inlet and outlet pipes to measure the pressure, and then the pressure drop can be calculated as the followings: piu = pi pu (2) After testing, the oil-content of inlet or that of outlet is measured by a 723 spectrophotometer. The correlating data were analyzed by using the...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106693-MS
... produced water, leads to severe break-up of the dispersed oil droplets. This break-up is caused by high energy dissipation in the choke. Previous work carried out in Delft indicated that, under identical process circumstances (tubing diameter, flow-rate, pressure drop, oil type and concentration), the...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106750-MS
... reservoir deformation. Then, combining these factors together, we investigate well productivity. Phase Behavior in Deep Low-Permeability Gas-Condensate Reservoir With pressure drop during reservoir recovery, heavy hydrocarbon in gas phase which is adsorbed on the surfaces of rock grains will gradually...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106947-MS
... industry because they are easy to use. However, they give over-estimates of well productivity due to the fact that the frictional pressure drop in the drain hole is not considered. According to the study of Hill and Zhu (2006), the frictional pressure drop along a 5,000 ft long, 4-in. ID drain hole in a...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-107024-MS
... Countries (A member of OPEC) and the Petroleum Industry has been activated during the past century. Masjed Soleiman Oilfield was the first Economical Producing Oil Field in Iran since May 26- 1908 and it has some critical problems now, like the Cap Rock cracks and large pressure drop. Gas Cap is depleting...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106018-MS
... avoid welding to the base pipe, and UNS N06625 material was chosen in all the welded components. The pressure drop through the ICD injector tool is generated by flowing fluid through nozzles. The static energy in the fluid is being converted into kinetic energy and absorbed in the fluid downstream of...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106233-MS
... parameters, such as: oil-steam ratio [1–5], production-injection ratio, back water production rate, and water storage rate [6–8] of heavy oilfields using CSS. However, formation water production, cumulative volume of formation water invasion, and formation pressure drop rate are still problems looking for...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 16–19, 2005
Paper Number: SPE-94215-MS
... unfractured and fractured wells. capillary pressure saturation profile pressure drop evaporation equation evaporative regime displacement relative permeability permeability simulation regime upstream oil & gas tight gas sandstone pressure drawdown fluid dynamics flow in porous media...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 16–19, 2005
Paper Number: SPE-94245-MS
... the effect of underbalance surging on flow characteristics of shaped-charge perforations. skin factor flow test perforation upstream oil & gas pressure drop nonuniformity perforation tunnel permeability flow rate perforation length flow geometry core target radial-axial case...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 16–19, 2005
Paper Number: SPE-94314-MS
..., pwf, is the pressure at the midpoint of the zone open to flow and is essentially constant over the entire zone. For a vertical well, the assumption of constant wellbore pressure is valid because the pressure drop between the bottom of the reservoir and the top of the reservoir is small compared to...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 16–19, 2005
Paper Number: SPE-94273-MS
... difficult to predict. For safe and economical foam drilling, accurate knowledge of bottom-hole pressure is essential. However, foam rheology and pressure drop predictions are not accurate enough to provide adequate hydraulic design information such as equivalent circulation density.This problem is more...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 16–19, 2005
Paper Number: SPE-94316-MS
... Abstract Horizontal well performance is typically estimated using a steady-state productivity index equation similar to Joshi's productivity index, which assumes constant wellbore pressure.The wellbore pressure in a horizontal well is not constant, and the pressure drop in the horizontal...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–25, 2003
Paper Number: SPE-80898-MS
... fluids behavior and developed correlations to predict friction pressure drops of proppant-laden slurries. deviation proppant concentration multiplier correlation fracturing materials average angle proppant friction exponent fracturing fluid surface pressure data friction pressure well...

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