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Formation sensitivity

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Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 6–8, 2018
Paper Number: SPE-193392-MS
... that permeability of the formation is stress dependent. Hence, a new parameter known as the permeability modulus is introduced. In this study, the effect of stress-sensitivity was incorporated by expressing the permeability as an exponential function of pore pressure in the derivation of a three-dimensional...
Journal Articles
Petrophysics 29 (03).
Paper Number: SPWLA-1988-v29n3a1
Published: 01 May 1988
... sometimes be used to differentiate between the presence of tracers in the borehole versus the formation. Since the shapes as well as the intensities of the tracer spectra are functions of the radial source distribution, sensitivity coefficients were determined for tracers located within the casing as well...
Proceedings Papers

Paper presented at the SPWLA 28th Annual Logging Symposium, June 29–July 2, 1987
Paper Number: SPWLA-1987-V
... the presence of tracers in the borehole versus the formation. Since the shapes as well as the intensities of the tracer spectra are functions of the radial source distribution, sensitivity coefficients were determined for tracers located within the casing as well as in the formation. The WLS algorithm can...
Journal Articles
J Pet Technol 21 (09): 1111–1118.
Paper Number: SPE-2188-PA
Published: 01 September 1969
...-sensitive formations present severe problems in drilling, testing, completion, production and waterflooding operations. Sensitive formations are characterized by a sharp loss of permeability on contact with water, but sometimes this permeability loss is accompanied by formation disintegration and sand...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584026
... upstream oil & gas seismic data analysis window multi-story deepwater channel system hubbard exploration geophysicist 10 laplacian filter artificial intelligence resolution coherence channel system paso formation sensitivity analysis interpretation parametrization amplitude geological...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178993-MS
..., quick, low-cost, easy-to-run, and quantifiable analytical technique for sample-to-sample comparisons. By controlling the parameters involved with sample preparation, CST can be used as a reliable means to accurately determine the formation material's sensitivity to a given fluid on a well-by-well basis...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-207611-MS
... systems with limited data, focused on the most important sensitivities parameters impacting the oil in place, like reservoir proportions, free water level [FWL] and lateral distributions of the sedimentary elements within the area of interest which playing a big rules in future developing of the field...
Journal Articles
Journal: SPE Journal
SPE J. 25 (06): 3017–3030.
Paper Number: SPE-203830-PA
Published: 17 December 2020
... presents a method for conducting sensitivity analysis (SA) over the uncertainties involved in the mud-weight window (MWW) assessment, to learn the most important input parameters for the mud density. The uncertainties in the parameters are taken into account using predrill realizations of the formation...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5085
..., and the principle elastic strains are solved for from fracture injection test data. With all these parameters and the model defined, it is possible to estimate the maximum and minimum formation stress and, thus, describe the faulting regime (Normal, Strikeslip, or Reverse). Robustness and sensitivity...
Proceedings Papers

Paper presented at the SPWLA 47th Annual Logging Symposium, June 4–7, 2006
Paper Number: SPWLA-2006-T
... We develop a conceptual and quantitative methodology to assess the three-dimensional (3D) spatial zone of response of formation-tester measurements acquired in vertical and horizontal wells. Spatial sensitivity functions are calculated numerically from th pressure transient analysis...
Journal Articles
SPE Res Eval & Eng 23 (01): 187–199.
Paper Number: SPE-197058-PA
Published: 17 February 2020
... tends to suffer from formation damage caused by water or alkali sensitivity, which significantly affects production. Therefore, it is crucial to understand the formation‐damage mechanisms for reservoir protection and efficient development. In this paper, we propose a new method that integrates pressure...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214487
... ABSTRACT The Johansen formation sandstone located in the North Sea is a potential reservoir candidate for CO2 storage. We present a sensitivity analysis for the marine controlled-source electromagnetic method, by generating a realistic scenario of CO2 injection and migration within...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192290-MS
..., and bit balling. Shales used to be the problematic formations that needed to drill through with the minimum number of problems, lowest possible lost time and generally the shortest possible open-hole time to minimize fluid sensitivity issues. However, with the advancement in drilling and production...
Journal Articles
Journal: SPE Journal
SPE J. 21 (06): 2260–2275.
Paper Number: SPE-177480-PA
Published: 15 July 2016
... simulators. The post-processor generates a specific output format and visualizes simulation results. Sensitivity analysis yields numerous realizations of a discrete-fracture network to investigate the effect that fracture-related parameters have on reservoir-production performance. Among those realizations...
Proceedings Papers

Paper presented at the SPE Western North American and Rocky Mountain Joint Meeting, April 17–18, 2014
Paper Number: SPE-169522-MS
... on the output variability — without having to resort to excessive Monte Carlo evaluations. Abstract For industrial-scale CO 2 injection in saline formations, produced CO 2 and pressure buildup can limit storage capacity and efficiency. Sensitivity analysis on operational strategies and reservoir...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0460
... rms amplitude azimuthal seismic avo response modeling reflection variation saturation seg houston 2013 Sensitivity of azimuthal seismic AVO responses to fluid-saturated fractures in the Bakken Formation Zhiqi Guo 1* , Feng Zhang 2 , Xiangyang Li 2,3 , Yingrui Ren 4 , Mark Chapman 4 , and Ye...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-0284
... Summary We developed a three-dimensional finite-difference codes which can simulate the fully triaxial induction tool in a stratified, cross-bedded anisotropic formation. The sensitivity of the fully triaxial induction measurements in cross-bedded anisotropic formation is studied...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 25–27, 2008
Paper Number: SPE-114670-MS
... Magnitude IADC/SPE 114670 Wellbore Stability and Trajectory Sensitivity Analyses Help Safe Drilling of the First Horizontal Well in Asl Formation, Gulf of Suez, Egypt Dhruba J Dutta, SPE, Schlumberger, Mohamed Farouk, BP-GUPCO Copyright 2008, IADC/SPE Asia Pacific Drilling Technology Conference...
Journal Articles
Petrophysics 48 (06).
Paper Number: SPWLA-2007-v48n6a2
Published: 01 December 2007
... the internal consistency of the transient measurements of flow rate, pressure, and GOR in the presence of biasing acquisition problems. We perform sensitivity analyses to identify the dominant governing parameters such as formation properties, formation-tester flow rates, relative permeability, and radial...
Journal Articles
Petrophysics 48 (05).
Paper Number: SPWLA-2007-v48n5a2
Published: 01 October 2007
...Renzo Angeles; Carlos Torres-Verdin; Chengwu Yuan; Hee Jae Lee ABSTRACT We introduce a quantitative method to assess the spatial zone of response of formation-tester measurements acquired in vertical wells. Spatial sensitivity functions are calculated numerically from the variation of pressure...

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