... conceptual at present but provide a solution when a related observation is made in the future. Though these approaches sound isolated, both are part of characterizing uncertainty, and uncertainty comes in all scales and dimensions. This challenges us to learn at all scales possible, from the fume hoods...

..., Society of Petroleum Engineers permeability geology enhanced recovery formulation upstream oil & gas modeling & simulation relation fluid dynamics reservoir simulation saturation heavy-oil reservoir equation 1 literature gravity drainage viscosity geologist flow in porous...

... that needs to be adjusted rarely. 1 2 2020 1 2 2020 1 2 2020 1 2 2020 2019. SPE/IADC Drilling Conference and Exhibition artificial intelligence multiple inheritance modification application relation semantic description triplet upstream oil & gas semantic network...

..., multiphase flow rates are estimated by simplified hydrodynamical models using sensor data (e.g., pressure and temperature) as input parameters. The second approach is solely dependent on the available data in the field, performing statistical analysis on this data and deriving relations between input...

... in transient flow or has already entered boundary- dominated flow because it allows determination of which of the time/rate relation models is appropriate for the given production data. 1 2 2018 1 2 2018 1 2 2018 1 2 2018 2016. Society of Petroleum Engineers Reservoir...

...-design approach for rectangular drainage areas, relating the dimensionless proppant number to the maximum productivity index in pseudosteady-state conditions. Introduction Industry experience suggests that horizontal shale-gas development is enhanced by drilling in the direction parallel to the local...

...Chris Carpenter This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 163775, ’Risk of Major Accidents: Causal Factors and Improvement Measures Related to Well Control in the Petroleum Industry,’ by Elisabeth Lootz and Monica Ovesen, SPE, Petroleum Safety...

...Adam Wilson This article, written by Editorial Manager Adam Wilson, contains highlights of paper SPE 162910, ’Practical Considerations for Decline-Curve Analysis in Unconventional Reservoirs - Application of Recently Developed Time/Rate Relations,’ by V. Okouma, SPE, Shell Canada Energy; D. Symmons...

...-performance analysis in unconventional reservoirs is a challenging task because of the nonuniqueness associated with estimating well and formation properties. Also, estimating of reserves can be uncertain because of the very long transient-flow periods. Recent semiempirical rate/time relations have been shown...

..., Jakarta, 17-19 April. 1 12 2001 1 12 2001 1 12 2001 1 12 2001 2001. Society of Petroleum Engineers complexity plateau duration modeling production profile reservoir simulation earth model relation quantification dynamic uncertainty robustness realization...

... conoco inc foreign investment houston relation aberdeen john donnelly opec the woodlands government bp plc Comments A cloud of uncertainty hangs over the oil and gas industry. Mixed in with the networking, technological discussions, and renewal of acquaintances at the SPE s Annual Technical...

... 1990 1 2 1990 1 2 1990 1990. Society of Petroleum Engineers Upstream Oil & Gas live oil crude oil experimental result PVT measurement temperature increase gravity saturation relation PVT data mass fraction API gravity Reservoir Characterization compressibility...

... sections of the paper are devoted to an introduction to the governing equations, followed by a discussion of their relation to expressions used by previous authors, and comparison of the derived expressions with experimental data. Comments regarding the determination of various constants introduced...

... testing field data skin region outer boundary straight line Drillstem Testing constant rate flow rate flow capacity boundary relation type-curve match permeability skin effect constant pressure average reservoir pressure reservoir Unsteady Flow to a Well Producing at a Constant Pressure...

... of the ore deposition processes with fewer drill holes. As the formation depth increases, data extrapolated from surface outcrops become less reliable and make log-derived data more important. An alternative to a complete logging package is extensive coring of ore-bearing and related formations...

...H. Boonstra Measurements of chain tension and wind velocity aboard a semisubmersible drilling platform have been analyzed, resulting in an empirical relation between wind velocity and wind force. A comparison of the empirical and theoretically calculated forces shows that the actual wind force...

... the finite-element method to calculate stresses and strains for a given load system. Several features made the code adaptable to a threaded connection analysis. Mechanical properties may be approximated by a bilinear constitutive relation that accounts for yielding in the threads during deformation...

...O.J.G. Vetter Basic thermodynamic relations are used to predict the locations and rates of BaSO4 scale formation under field conditions. When kinetics are considered, the prediction method is much improved. However, the inclusion of hydrodynamic factors in the predictive model makes it possible...

... Surveillance relation regime slip velocity annular velocity laminar regime transition regime terminal equation reynolds number production monitoring Upstream Oil & Gas transition effective diameter shear stress turbulent regime 1 7 1975 1 7 1975 1 7 1975 1 7 1975...

... conductances of the sand and equilibrating brine, respectively (mho cm). F* is the shaly sand formation resistivity factor, related to porosity (0) according to an Archie-type relation: (3) where m* is the porosity exponent. 1/F* is the slope of the straight-line portion of the Co vs Cw, curve. Qv...