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Keywords: compressibility
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Proceedings Papers

Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0018
... compressibility c sat , methane and oil compressibilities c CH4 ( P , T ) and c oil ( P , T ), among others, as well as the target live oil properties of solution gas-oil ratio GOR , saturated viscosity μ sat , and °API gravity. Pair plots and correlation heatmaps are used first to assess...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-LLLL
..., density, bubble-point pressure, compressibility, and mud filtrate composition. Using an iterative process, an optimum combination of formation and filtrate fluids whose properties best match the fluid properties supplied to the algorithm is determined. INTRODUCTION Openhole formation fluid samples provide...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-N
... alone does not yield results consistent with production behaviour. Unconsolidated sediments tend to have higher compressibility than potentially expected causing less depletion due to the compaction effect. In combination with a geomechanical study and core from Well X, uniaxial pore volume...
Proceedings Papers

Paper presented at the SPWLA 57th Annual Logging Symposium, June 25–29, 2016
Paper Number: SPWLA-2016-RRRR
... Abstract Modern formation testing and sampling tools are equipped with a variety of unique sensors. The measurement data provided from the sensor modules includes, but is not limited to, temperature, pressure, density, viscosity, refractive index, sound speed and compressibility. For sampling...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-NNN
...SPWLA 55 th Annual Logging Symposium, May 18-22, 2014 1 A NEW APPROACH TO OBTAIN IN-SITU LIVE FLUID COMPRESSIBILITY IN FORMATION TESTING Li Chen, Adriaan Gisolf, Beatriz E. Barbosa, Julian Youxiang Zuo, Vinay K. Mishra, Hadrien Dumont, Thomas Pfeiffer, Vladislav Achourov Copyright 2014, held...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-VV
... measurements, the database contains measured fluid properties including molecular compositions; saturate, aromatic, resin and asphaltene (SARA) fractions; gas/oil ratio (GOR); viscosity; compressibility; formation volume factor; and density measurements for each oil. The NMR, optics, and fluid properties...
Proceedings Papers

Paper presented at the SPWLA 49th Annual Logging Symposium, May 25–28, 2008
Paper Number: SPWLA-2008-GG
...- a P p , where a is the "effective stress coefficient". Every rock property; e.g. permeability, compressibility, and acoustic velocities, has its own effective stress coefficient. This coefficient is found to be less than 1.0 for many rock properties, is commonly thought to be 1.0 for strength...
Proceedings Papers

Paper presented at the SPWLA 46th Annual Logging Symposium, June 26–29, 2005
Paper Number: SPWLA-2005-L
... are compressible and the formulation allows interpretation of pressure transients. The simulator forms the basis for a new series of interpretation methods in which heterogeneities and properties like relative permeability may be predicted from measurements. Outputs are spatial ?snapshots? of pressure and oil...
Proceedings Papers

Paper presented at the SPWLA 44th Annual Logging Symposium, June 22–25, 2003
Paper Number: SPWLA-2003-EE
... must be developed. The disciplined pressure testing, where pro- cedural effects are minimized, becomes critical for the precision gradient measurement. In the following sec- tion, factors that affect pressure measurements are dis- cussed. Compressibility and Drawdown Volume. During the pressure...
Proceedings Papers

Paper presented at the SPWLA 44th Annual Logging Symposium, June 22–25, 2003
Paper Number: SPWLA-2003-HH
... bubble point pressure downhole bubble point pressure pressure-volume plot Upstream Oil & Gas formation tester fluid sample algorithm compressibility point pressure pv test Symposium PVT measurement high quality sample contamination Indicator Baker Atlas fluid property...
Proceedings Papers

Paper presented at the SPWLA 42nd Annual Logging Symposium, June 17–20, 2001
Paper Number: SPWLA-2001-QQ
..., a fluid within the pore space may change the bulk density and moduli of the rock, requires knowledge of the density and bulk moduli (or compressibility) of the fluid. Brine is always present to a varying degree in any realistic fluid substitution process and therefore its properties are important. B P...
Proceedings Papers

Paper presented at the SPWLA 41st Annual Logging Symposium, June 4–7, 2000
Paper Number: SPWLA-2000-S
... compressibility flow rate Probe spwla 41 pressure transient analysis Upstream Oil & Gas anisotropy measurement wireline formation testing new dual-probe wireline formation testing permeability anisotropy equation SPWLA 41 Annual Logging Symposium, June 4-7,200O NEW DUAL-PROBE WPRELINE FORMATION...
Proceedings Papers

Paper presented at the SPWLA 39th Annual Logging Symposium, May 26–28, 1998
Paper Number: SPWLA-1998-EE
... Rate Analysis (FRA) technique has been developed recently. The technique is not directly applicable to gas formations because compressibility, density and viscosity of gas are strong functions of pressure. Moreover, appreciable temperature changes and inertial pressure drop or non-Darcy flow effects...
Proceedings Papers

Paper presented at the SPWLA 37th Annual Logging Symposium, June 16–19, 1996
Paper Number: SPWLA-1996-NN
... to be unsupported. Once established for a given field situation. the method has a straightforward application to diverse petrophysical properties during the course of integrated reservoir studies. compressibility mean effective stress Reservoir Characterization overburden stress evaluation alpha...
Proceedings Papers

Paper presented at the SPWLA 37th Annual Logging Symposium, June 16–19, 1996
Paper Number: SPWLA-1996-II
... grain bulk compressibilities, provides a sonic derived saturation parameter. It creates an exciting prospect for resistivity independent oil evaluation in shaly sands. The technique has been successfully applied in freshwater shaly sands reservoirs of Upper Assam. Results have been compared with testing...
Proceedings Papers

Paper presented at the SPWLA 37th Annual Logging Symposium, June 16–19, 1996
Paper Number: SPWLA-1996-AA
... drillstem/well testing formation tester Modeling & Simulation pressure transient testing compressibility drawdown spherical-flow analysis data quality Drillstem Testing Fluid Dynamics simulator formation pressure boundary Probe tcchniquc equation application analysis technique prcssurc...
Proceedings Papers

Paper presented at the SPWLA 37th Annual Logging Symposium, June 16–19, 1996
Paper Number: SPWLA-1996-Y
... parameters and a 3-D near wellbore numerical simulator for a comprehensive study of problems associated with WFT data interpretation. Case studies include sensitivity to formation damage, internal probe diameter, fluid compressibility and viscosity, formation permeability, drawdown tank volume, formation...
Proceedings Papers

Paper presented at the SPWLA 37th Annual Logging Symposium, June 16–19, 1996
Paper Number: SPWLA-1996-Z
... shape factor Upstream Oil & Gas Simulation pretest pressure transient analysis mudcake buildup pressure storage fluid compressibility wellbore permeability compressibility Formation Permeability Probe analytical model sandface pressure SPWLA 37th Annual Logging Symposium, June...
Proceedings Papers

Paper presented at the SPWLA 36th Annual Logging Symposium, June 26–29, 1995
Paper Number: SPWLA-1995-BBB
... be expected because sealing the packer to the formation disturbed the mudcake. Fluid compressibility and test volume are significant parameters for determining the minimum pressure that can be reached. Reducing the pressure of 1000 cm7 of water by 1.000 psi requires increasing the volume to 1003.2 cm3...
Proceedings Papers

Paper presented at the SPWLA 36th Annual Logging Symposium, June 26–29, 1995
Paper Number: SPWLA-1995-K
... rocks, one of the most important is the compressibility of the saturating fluid. The presence of compressible fluids on the porous space of rocks, SPWLA 36th Annual Logging Symposium, June 26-29,199s particularly gas, will cause a reduction of compressional (P) / shear (S) velocities ratio...

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