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Keywords: gradient
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Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 1–5, 2015
Paper Number: SPE-173611-MS
... Indicator society of petroleum engineers reservoir perforation gradient Evaluation of structures in the Amin formation of the greater Fahud area, Sultanate of Oman, indicates significant amounts of gas. Exploration work in the field blocks started in 2009 with the first fracturing operation...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, April 4–8, 2009
Paper Number: SPE-120643-MS
... uniformly distributed, the gas velocity is sufficient to continuously carry liquid as a fine mist or small droplets to the surface, establishing a relatively low and fairly uniform flowing pressure gradient. In the second case when the gas flow rate is below the critical rate the gas velocity is not able to...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–25, 2003
Paper Number: SPE-80887-MS
... following equation. artificial lift system coleman gas well deliquification production control well performance gradient gas velocity production monitoring evaluation wellbore pressure gradient equation production logging permeability spe 80887 reservoir surveillance productivity...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 24–27, 2001
Paper Number: SPE-67191-MS
... drilling fluids and materials generalized reynolds number drilling fluid chemistry production monitoring friction pressure coiled tubing operations drilling fluid selection and formulation mgal xanthan 3 frictional pressure gradient drilling fluid property production control...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 9–11, 1997
Paper Number: SPE-37452-MS
... calculation of the down hole pressure distribution to obtain a best estimate of the pressure at the same depth as the sensor and thus conclude whether the surface readings are reliable or whether the sensor requires overhauling. Annular Pressure Gradients Knowledge and understanding of the fluid distribution...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 2–4, 1995
Paper Number: SPE-29529-MS
..., followed by a slower further rise in mobility starting at the core inlet. New coreflood results indicate that pressure gradient VP during the first process is insensitive to a shut-in period after foam injection but depends weakly on liquid flow rate. A small fall in gas saturation accounts for the first...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 21–23, 1993
Paper Number: SPE-25430-MS
... an assemblage of two-dimensional disc elements. To simulate fluid flow, a channel net- work geometrically coupled to the disc assemblage is created by assigning nodes to pores and flow channels to pore throats. Flow rates in channels are assumed to be proportional to the pressure gradient according...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 21–23, 1993
Paper Number: SPE-25464-MS
... the treatments led to some observations and theories on the role played by reservoir pore pressure in refracturing treatments. PORE PRESSURE GRADIENTS AFTER PRODUCTION A successful refracturing treatment is one that creates a fracture having higher fracture conductivity and/or penetrating an area...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 21–23, 1993
Paper Number: SPE-25421-MS
... SPE Member Abstract An optimum pumping unit installation can be made for high volume sucker rod lift wells. Using three phase inflow performance relationships, vertical flowing gradients and predictive sucker rod design programs the ideal setting depth of the pump and the size of the...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 21–23, 1993
Paper Number: SPE-25509-MS
... midland county reservoir gradient completion installation and operations concentration spraberry trend correlation hydraulic fracturing perforation siltstone log analysis flow in porous media upstream oil & gas simulator dean conductivity permeability fluid dynamics well...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 7–9, 1991
Paper Number: SPE-21641-MS
... optimization problem production rate application redesign injection rate consideration spe 21641 artificial lift system installation gradient valve venezuela upstream oil & gas calculation SPE Society of Petroleum Engineers SPE 21641 Use of a Computerized Model in the Optimization of...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 7–9, 1991
Paper Number: SPE-21645-MS
... containment hydraulic fracturing fracture height pore pressure stress intensity factor fluid pressure height growth propagation well logging minimum horizontal stress migration thickness height model gradient wellbore reservoir characterization log analysis reservoir geomechanics horizontal...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 13–14, 1989
Paper Number: SPE-18857-MS
... affect of water influx. INTRODUCTION Literature Review Material balance plots of p/z vs. gas- produced for most geopressured gas reservoirs generally exhibit a dual slope curve (see Fig. 1). Extrapolation of the early (and lesser gradient) slope to estimate ultimate recovery will lead to an optimistic...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 8–10, 1987
Paper Number: SPE-16227-MS
... presence of a low value at and near initial conditions and an increase to a constant a n d greater value at high to moderate pressure gradients. A final low compressibility value after a normal pressure gradient is again attained. These variable compressibility phenomena may be readily explained by...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 8–10, 1987
Paper Number: SPE-16192-MS
... conductive fractures in the Austin Chalk. Past completion theories suggested that conventional two wing vertical hydraulic fractures could be achieved However, the fracture gradient of the Austin Chalk matrix is approx- imately 1 .0 psi per foot. Experience has shown that treatment pressures equate to a...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 10–12, 1985
Paper Number: SPE-13810-MS
... packerless completions (Fig. 1). p. 165 gradient mccoy static bottomhole pressure drillstem testing shutdown column pressure specific gravity liquid level appx bottomhole pressure drillstem/well testing gravity determination gas gravity pressure pulse perforation liquid column...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, February 27–March 1, 1983
Paper Number: SPE-11583-MS
... at a sepa- rator. Note that most multiphase performance curves are generated from correlations which usually con- sider the sum of pressure drops due to elevation, friction, and acceleration, or: ~ dy where: (4) pressure gradient in the tubing, psi/ft. Various correlations, most of which are dis...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 1–3, 1981
Paper Number: SPE-9750-MS
... produced (Fig. 2B). P. 93 gaseous column upstream oil & gas liquid level production rate backpressure bottom hole pressure drillstem/well testing gradient correction factor gaseous liquid column gradient liquid level test drillstem testing perforation wellbore reservoir pressure...
Proceedings Papers

Paper presented at the SPE Oklahoma City Regional Meeting, March 24–25, 1975
Paper Number: SPE-5407-MS
... Unit Bertha Roger gradient casing design casing and cementing viscosity Mississippian protective string depth record drilling operation liner world depth record hydrocarbon Oklahoma psig pipe ram Anadarko Basin 30CIETY OF PETROLEUM ENGINEERS 6200 North Central Expressway Dallas...
Proceedings Papers

Paper presented at the SPE Oklahoma City Regional Meeting, March 24–25, 1975
Paper Number: SPE-5403-MS
.../well testing Efficiency backpressure gradient valve ANALYZING WELL PERFORMANCE VII 5001 Ditto Lane JAMES N. McCOY Echometer Company A paper on analyzing well performance presented in the well production school for production personnel by Echometer Company. Available from Echometer Company...

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