1-20 of 984 Search Results for

Block kriging

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 1–4, 2000
Paper Number: SPE-63066-MS
... illustrate our method using a variety of examples that demonstrate the power and versatility of the proposed approach. Finally, a comparison with Sequential Gaussian Simulation with Block Kriging (SGSBK) indicates similar performance with less restrictive assumptions. Introduction A persistent problem...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-3529
... Geostatistical Modeling Software (SGeMS), which is a public-domain geostatistical modeling platform (Remy et al., 2008). The three plug-ins are block kriging estimation (BKRIG, ), block sequential simulation (BSSIM, ) and block error simulation (BESIM, ). These three programs are general for building high...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, January 31–February 2, 2005
Paper Number: SPE-92758-MS
... without additional cost. Effects of using á priori information and different initial downscaling techniques, such as sampling or block kriging with sequential Gaussian simulation are investigated using 2 synthetic reservoir models. Introduction In ref. 1 a multiscale method for more effective history...
Journal Articles
SPE Res Eval & Eng 2 (04): 325–333.
Paper Number: SPE-57481-PA
Published: 01 August 1999
... resolution spectrum, where the seismic map can now be treated by methods such as block kriging, simulated annealing, or Bayesian techniques. We introduce a new multiple map Bayesian technique with variable weights for the important middle ground where a single seismic map cannot effectively represent...
Proceedings Papers

Paper presented at the Middle East Oil Show and Conference, March 15–18, 1997
Paper Number: SPE-37701-MS
... Simulation with block kriging (3D GSS with Block Kriging)’. The technique is applied to the Nuayyim Field in central Saudi Arabia where the main reservoir in the Unayzah zone-A sand. The average interval seismic impedance map is extracted from the inverted 3-D seismic data and is related to lithology...
Proceedings Papers

Paper presented at the SPWLA 23rd Formation Evaluation Symposium of Japan, October 11–12, 2017
Paper Number: SPWLA-JFES-2017-O
.... This program enables the estimate not only by conventional methods such as Sequential Gaussian Simulation (SGS) but also by the new ones incorporating up to two soft data: specialized Markov-Bayes Simulation, Trend Modeling (TM), the combined method of SGS and block kriging (SGSBK), and SGS with Bayesian...
Proceedings Papers

Paper presented at the Asia Pacific Oil and Gas Conference and Exhibition, October 30–November 1, 2007
Paper Number: SPE-110225-MS
... is powerful and would be useful when downscaling quantities such a porosity where conserving total pore volume is important and averaging can be done arithmetically. This method of downscaling would only be strictly applicable for permeability if power law averaging is applicable. Block kriging 4,5,6...
Proceedings Papers

Paper presented at the 2006 SEG Annual Meeting, October 1–6, 2006
Paper Number: SEG-2006-3320
... ABSTRACT Reservoir modeling requires integrating data at different scales and support volumes. A simulation algorithm conditioned to point support data and average values defined on any support volume of any dimension and any geometry is proposed. The algorithm is based on block kriging...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1999
Paper Number: SPE-56518-MS
... step. This method updates the coarse models to match production data while preserving as much of geostatistical constraint as possible. A new geostatistical algorithm is developed for the downscaling step. We use Sequential Gaussian Simulation with either block kriging or Bayesian updating...
Journal Articles
SPE Res Eval & Eng 5 (01): 68–78.
Paper Number: SPE-76905-PA
Published: 01 February 2002
... at various scales, in a consistent fashion. We illustrate our method with a variety of examples that demonstrate the power and versatility of the proposed approach. Finally, a comparison with Sequential Gaussian Simulation with Block Kriging (SGSBK) indicates similar performance with less restrictive...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 1997
Paper Number: SPE-38698-MS
... solving block kriging systems. Three-dimensional porosity simulations are generated for a chalk reservoir layer of the Ekofisk Field, Norwegian North Sea. Vertical average constraints are imposed using a seismic impedance map representative of the gross average porosity across the reservoir interval...
Journal Articles
SPE Res Eval & Eng 11 (01): 154–164.
Paper Number: SPE-92758-PA
Published: 01 February 2008
... degrees of complexity—all being consistent with both static and dynamic data—may be generated without additional cost. Effects of including a priori information and different initial downscaling techniques, such as sampling or block kriging with sequential Gaussian simulation (BKSGS), are investigated...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 2003
Paper Number: SPE-84052-MS
... are generated, accounting for inherent inter-relationship among reservoir property data and the three main data scales of log, sub-sequence layer and sequence interval. At onset, shale volume content in Tajin field and total porosity in Agua Fria field are modeled. Block kriging, trend model, and conditional...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 11–13, 2002
Paper Number: PETSOC-2002-073
... modelling of different volumes with block kriging. shale flow in porous media power law averaging permeability average linearly fluid dynamics sh data realization upstream oil & gas geologic modeling averaging log data permeability value continuity anisotropy ratio effective...
Journal Articles
Journal: SPE Journal
SPE J. 6 (04): 364–374.
Paper Number: SPE-74708-PA
Published: 01 December 2001
... for the downscaling step. We use Sequential Gaussian Simulation (SGS) with either block kriging or Bayesian updating to "downscale" the history-matched coarse scale models to fine-scale models honoring fine-scale spatial statistics. Combining these two developments we are able to efficiently generate multiple fine...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 27–30, 1998
Paper Number: SPE-49143-MS
... the low end of the seismic resolution spectrum, where the seismic map can now be treated by methods such as block kriging, simulated annealing, or Bayesian techniques. We introduce a new multiple map Bayesian technique with variable weights for the important middle ground where a single seismic map cannot...
Journal Articles
SPE Res Eval & Eng 1 (02): 122–126.
Paper Number: SPE-36499-PA
Published: 01 April 1998
..., called sequential Gaussian simulation with block Kriging (SGSBK), treats the seismic map as a soft estimate of the average reservoir property. With this method, the average of the cell values in anyone vertical column of grid cells is constrained by the value of the seismic map over that column...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 1997
Paper Number: SPE-38747-MS
.... is Sequential Gaussian Simulation with Block Kriging (SGSBK). In this approach, the authors combine information from well logs and a vertical variogram model (for vertical variability) with a seismic map and an areal variogram (for spatial variability) to generate 3D realizations. Alternatively...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1999
Paper Number: SPE-56653-MS
...-scale grid. Finally, we add this stochastic component to the large-scale trend to ensure that well data are satisfied exactly. Sequential Simulation with Block Kriging. Behrens et al.18 proposed a sequential Gaussian simulation with block kriging to solve the volume support problem between seismic...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 3, 2001
Paper Number: SPE-71323-MS
..., Clayton V. Deutsch, SPE, University of Alberta, and Yulong Xie, SPE, Pacific Northwest National Laboratory 2 THOMAS T. TRAN, CLAYTON V. DEUTSCH, AND YULONG XIE SPE 71323 Variogram reproduction is guaranteed by use of all data and previously simulated grid blocks and by application of simple kriging...

Product(s) added to cart

Close Modal