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Journal Articles
Petrophysics 63 (04): 506–518.
Paper Number: SPWLA-2022-v63n4a2
Published: 02 August 2022
... that the proposed DL method successfully reconstructs 2.5D resistivity distributions, location and dip of bed boundaries, and the location of the fault plane and is, therefore, reliable for real-time well geosteering applications. 29 9 2021 22 2 2022 10 3 2022 2 8 2022 2 8 2022...
Journal Articles
Petrophysics 63 (04): 519–533.
Paper Number: SPWLA-2022-v63n4a3
Published: 02 August 2022
... oil & gas reservoir characterization electric dipole source log analysis detection sensitivity configuration application equation sensitivity boundary anisotropic formation multilayer anisotropic formation hagiwara well logging dipole response algorithm vector anomaly doi...
Journal Articles
Petrophysics 63 (04): 534–548.
Paper Number: SPWLA-2022-v63n4a4
Published: 02 August 2022
... characterization fraction evaluation gr cc posterior probability hydrocarbon saturation calculation resistivity well oblz-1 well 15 mineral zone application saturation granularity equation glauconite PETROPHYSICS, VOL. 63, NO. 4 (AUGUST 2022); PAGES 534 548; 3 FIGURES. DOI:10.30632/PJV63N4...
Journal Articles
Petrophysics 63 (03): 290–299.
Paper Number: SPWLA-2022-v63n3a2
Published: 01 June 2022
...Steve Cuddy This paper describes the application of machine-learning techniques for unlocking the full potential of nuclear magnetic resonance (NMR), using a case study from the Seven Heads gas field. This field has long been recognized but was not developed due to a variety of technical challenges...
Journal Articles
Petrophysics 63 (02): 125–146.
Paper Number: SPWLA-2022-v63n2-a1
Published: 01 April 2022
... up to 13.375 in. DEC technology provides an advanced answer product for through-tubing casing deformation and eccentricity measurements in downhole well-integrity and plug-abandonment applications. When combined with other well-integrity measurements such as a multifinger caliper and multipipe...
Journal Articles
Petrophysics 63 (02): 256–269.
Paper Number: SPWLA-2022-v63n2-a7
Published: 01 April 2022
... operation triaxial compression experiment april 2022 petrophysics april 2022 rock mechanical parameter drilling fluids and materials wellbore stability compression experiment poisson mechanical parameter calculation application digital core technology university PETROPHYSICS, VOL. 63, NO. 2...
Journal Articles
Petrophysics 63 (01): 4–11.
Paper Number: SPWLA-2022-v63n1a1
Published: 01 February 2022
...A. Ballard Andrews; Andrew J. Speck There is currently no production logging tool that can analyze in-situ gas composition in wells that intersect more than one pay zone. In high-value gas wells, zonal isolation is useful for enhanced oil recovery (EOR) applications such as injection monitoring...
Journal Articles
Petrophysics 62 (04): 393–406.
Paper Number: SPWLA-2021-v62n4a4
Published: 01 August 2021
... upstream oil & gas synthetic sonic log generation prediction data-driven method workflow log analysis deep learning contest summary application data analytics august 2021 dts lithology doi petrophysics august 2021 university PETROPHYSICS, VOL. 62, NO. 4 (AUGUST 2021); PAGES 393 406...
Journal Articles
Petrophysics 62 (03): 296–310.
Paper Number: SPWLA-2021-v62n3a4
Published: 01 June 2021
... in a near-bit collar further provides both anisotropy measurements and ultradeep signals very close to the bit and enhances look-ahead detection ranges for LWD applications. 20 10 2020 20 2 2021 1 6 2021 1 6 2021 2021. Society of Petrophysicists & Well Log Analysts...
Journal Articles
Petrophysics 62 (02): 195–209.
Paper Number: SPWLA-2021-v62n2a4
Published: 01 April 2021
... National Laboratory investigating using nonlinear acoustics applications for natural fracture characterization and assessing near-wellbore mechanical integrity or drilling-induced damage. The generation of a scattered wave by noncollinear mixing of two acoustic plane waves in an acoustically nonlinear...
Journal Articles
Petrophysics 62 (01): 122–134.
Paper Number: SPWLA-2021-v62n1a8
Published: 01 February 2021
... tools and applications, such as automated log interpretation. In this paper, we train a BNN with NMR and mineralogy data to determine permeability with associated epistemic uncertainty, obtained by determining the posterior weight distributions of the network by using variational inference...
Journal Articles
Petrophysics 60 (06): 872–890.
Paper Number: SPWLA-2019-v60n6a10
Published: 01 December 2019
...Ayaz Mehmani; Shaina Kelly; Carlos Torres-Verdín Microfiuidics and nanofiuidics have been used in the oil and gas industry for pore-scale research experiments and as application-specific tools (such as lab-on-a-chip PVT analyzers). The former technology constructs pore and pore-network proxies...
Journal Articles
Petrophysics 60 (03): 409–420.
Paper Number: SPWLA-2019-v60n3a4
Published: 01 June 2019
... sandstone magnetization frequency experiment application log analysis MHz acquisition magnetic resonance core plug permeability porosity sequence relaxation time 409 PETROPHYSICS June 2019 PETROPHYSICS, VOL. 60, NO. 3 (JUNE 2019); PAGES 409 420; 10 FIGURES; 1 TABLE. DOI: 10.30632/PJV60N3...
Journal Articles
Petrophysics 60 (03): 450–465.
Paper Number: SPWLA-2019-v60n3a8
Published: 01 June 2019
... be met prior to drilling. Over the years, depth correction has successfully been run on several projects around the world. Environmental corrections were applied in various applications to improve the accuracy of the depth and demonstrate the significance of the correction for reservoir development...
Journal Articles
Petrophysics 60 (03): 351–371.
Paper Number: SPWLA-2019-v60n3t1
Published: 01 June 2019
... porosity workow reservoir permeability prole storage capacity estimate storage capacity Pyrolysis saturation petrophysics relative permeability application june 2019 organic mudstone petrophysics 351 PETROPHYSICS June 2019 Organic Mudstone Petrophysics, Part 3: WorkÀow to Estimate Storage...
Journal Articles
Petrophysics 60 (02): 255–263.
Paper Number: SPWLA-2019-v60n2a3
Published: 01 April 2019
... and limitations of the techniques being developed nowadays, to help the audience make the best choice for each specific case. In this paper, we discuss both laboratory- and log-based applications, although we place greater emphasis on laboratory-based applications. 1 4 2019 1 4 2019 2019. Society...
Journal Articles
Petrophysics 59 (06): 873–890.
Paper Number: SPWLA-2018-v59n6a11
Published: 01 December 2018
... conditions reach a point where data degradation occurs, the information must be corrected for environmental and borehole geometry effects or, in extreme cases, the data must be reconstructed. Data reconstruction/estimation can take many forms including translation application of regional trends...
Journal Articles
Petrophysics 59 (05): 703–718.
Paper Number: SPWLA-2018-v59n5a9
Published: 01 October 2018
... resistivity models, the impact of wettability is not reliably incorporated. Recently, we analytically derived a new resistivity model that incorporates parameters to account for wettability and complexity of pore structure. This new model requires experimental verification to enhance its applicability in core...
Journal Articles
Petrophysics 59 (05): 672–693.
Paper Number: SPWLA-2018-v59n5a7
Published: 01 October 2018
... assessment electrical conductivity estimate permeability flow in porous media Simulation dielectric permittivity permeability estimate well logging Upstream Oil & Gas pore workow permeability porosity application joint interpretation tortuosity limestone conductivity core sample...
Journal Articles
Petrophysics 59 (04): 496–510.
Paper Number: SPWLA-2018-v59n4a5
Published: 01 August 2018
... applications (Smolen and van der Spek, 2003). DSS focused mainly on wellbore integrity, monitoring strain induced on wellbore casings (Li et a., 2004). Some research has also been carried out on the use of DSS systems for distributed pressure sensing, but to date, these have not delivered the required...

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