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Separation versus splitting

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Proceedings Papers

Paper presented at the The Eighth International Offshore and Polar Engineering Conference, May 24–29, 1998
Paper Number: ISOPE-I-98-150
... the application prospect of liquid hydro cyclone. For that reason, the relationships of pressure drop ratio versus total flow rate, pressure drop ratio versus split ratio, and pressure drop ratio versus the diameter of up flow outlet and their effects are researched. INTRODUCTION Although the hydrocyclone...
Proceedings Papers

Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-084
... indicated in maroon, Split Reef in blue and potholes in yellow. Fig. 2. Typical representation of the split panel up-dip mining layout. Notice that the bottom level mines the reserves upwards to the top level. Levels being separated 35.0 m vertically along the 11° reef plane. 2. Geological setting Figure 3...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-202747-MS
... over the entire life of field (including history match and prediction). For condensate allocation, the hydrocarbon liquid production split depends on how the injected lean gas is tracked. For gas utilization, the injected lean gas must be tracked as a distinct component separate from both oil rim...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 23–25, 2015
Paper Number: SPE-173308-MS
... are highly compartmentalized, they are split into 19 separate models. Production is through three surface facilities, fluids vary significantly across the field from sour gas condensate to volatile oil, and it is important to consider the impact of reservoir deliverability, facilities capacity, and surface...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2015
Paper Number: URTEC-2167005-MS
... using splits on predictor values. At each branch in the tree, a predictor and threshold are used to assign one set of observations to go down the left path, and the others to go down the right path. The predictor and threshold are chosen so as to maximally separate the category labels...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201602-MS
... commercialised offshore. This paper initially discusses what is GTW and then investigates two separate cases: the first focuses on evaluating the viability of GTW for the Kumatage gas field which is 78 km close to shore (located in the Southern North Sea) ( Figure A1 ), by assessing the fields production...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-17034-Abstract
... Summary Azimuthal AVO analysis can be split into two parts: the Amplitude Versus Offset (AVO) analysis and the Amplitude Versus Azimuth (AVAz) analysis. The properties of the Fourier transform allow these problems to be treated separately. If we calculate a Fourier transform of AVAz PP...
Proceedings Papers

Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-2407
... to generate the depth image, the expression that simply computes the zero lag correlation was applied. Wave Field Separation Although the main aim of this work is to show the quality improvement of the depth image, in this section some results of the new wave separation scheme used to split the full two-way...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 24–27, 2001
Paper Number: SPE-67204-MS
... of the Archie Equation that can be applied to carbonate rocks. The parameter a is further split to account for the composition, pore geometry and formation pressure. By separating these parameters, it is possible to find more precise correlation with formation resistivity and formation water saturation...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 1–4, 2000
Paper Number: SPE-63040-MS
... flow is a good candidate for (partial) phase separation at a T-junction. Figure 15 Plot of Liquid Reynolds number versus gas Reynolds number showing when separation was achieved or not. Conclusions Form the above it can be concluded that: The phase split for T-junctions, with upstream geometries...
Proceedings Papers

Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-4299
... improve (rightmost panel) when we combine the up-down separation, using 4-C recording, with the virtual source method. Here we cross-correlate the direct P-wave arrival at the virtual source with only the upgoing waves at the receivers. Virtual checkshot and shear wave splitting One of the important...
Proceedings Papers

Paper presented at the SPWLA 18th Formation Evaluation Symposium of Japan, September 27–28, 2012
Paper Number: SPWLA-JFES-2012-L
... relationships and we can separate clearly for class 2 and 3 but not clear enough for class1. From curve relationship between permeability versus saturation shows that we can separate clearly for three classes. After build these petrophysical model then we can also build the model saturation for reservoir...
Proceedings Papers

Paper presented at the 1990 SEG Annual Meeting, September 23–27, 1990
Paper Number: SEG-1990-1443
... The presence of aligned vertical fractures is a common cause of azimuthi anisotropy in rocks. Shear waves traveling through azimuthally anisotropic media undergo splitting: separation of wave modes polarized Darallel and perpendicular to fracturing. A frequent objective of studying shear waves is examination...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-A5
... split between the two risers can be varied, but independent of the liquid split, the split in gas is always half through riser 1 and half through riser 2. The FG,1 versus FL,1 curve for the flow split in our experiments can be determined by either varying the valve opening of the valves at the riser top...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, February 14–17, 1995
Paper Number: SPE-28974-MS
... saturation in the crude oil, a phase split occurred, resulting in significant inaccuracies in the compositional analysis. The liquid compositions were fairly constant before and after phase split, but changed considerably during the phase split period. The mixture in the liquid separator vials during...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195911-MS
... and oil concentration at water outlet are used to evaluate the oil/water separation performance. A series of experiments have been carried out to test the performance of the novel hydrocyclone. Inlet parameters, including inlet flow rate, water cut, droplet size and split ratio, have been evaluated. Inlet...
Proceedings Papers

Paper presented at the 2006 SEG Annual Meeting, October 1–6, 2006
Paper Number: SEG-2006-2401
... or depth) common p sections. In summary, our flow for wavefield separation is: 1) Generate split spread common source records; 2) Plane-wave decompose each common source record; 3) Sort into constant p sections; 4) Plane-wave destruction filter on constant p sections; 5) Velocity analysis for migration; 6...
GOR <b>versus</b> time for the Guard (right plot) and the Sample (left plot) at sa...
Published: 28 September 2015
to one hour on the station, Sample and Guard fluids were split and their fluids were monitored for OBM contamination separately More
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5809635
... in time. In particular, a phenomenon known as Shear-wave splitting or S-wave splitting can be observed in anisotropic reservoirs. When a shear wave travels through an anisotropic region, it separates into two orthogonal waves, with one wave travelling faster than the other. The S-wave that travels faster...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0237
... blank, as a function of water saturation (Sw). We show that fractures aligned in the direction of wave propagation (90o to the fracture normal) can change the Qs/Qp versus Vp/Vs relationships which have been shown to be good saturation indicators in blank rocks. Shear wave splitting (SWS...

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