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Keywords: variation
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Journal Articles
J Pet Technol 76 (05): 36–43.
Paper Number: SPE-0524-0036-JPT
Published: 01 May 2024
... labs. The results for identical samples varied widely, even within the testing labs (SPE 217767). “We are seeing 2K to 3K variation internally at independent labs on split samples, and at least 3K variation between labs,” said Ian Renkes, the paper’s lead author who is regional continuous improvement...
Journal Articles
J Pet Technol 76 (02): 89–91.
Paper Number: SPE-0224-0089-JPT
Published: 01 February 2024
... in the subsurface local-angle domain, rather than the surface offset domain, is advantageous when imaging complex geological areas. The angledependent amplitude variation can be used for reliable amplitude as compared with angle analysis. In CRAM, a local slant-stack operation is performed for each central ray pair...
Journal Articles
J Pet Technol 75 (11): 55–57.
Paper Number: SPE-1123-0055-JPT
Published: 01 November 2023
... of the process operation: T ² and Q statistics. The T ² statistic measures variations in the main space. T ² only detects variation in the subspace of the first principal components larger than those attributed to the dynamics of the process. The Q statistic denotes the change of events not explained...
Journal Articles
J Pet Technol 75 (09): 90–93.
Paper Number: SPE-0923-0090-JPT
Published: 01 September 2023
... reservoir surveillance production control asia government production monitoring geology geochemistry uae government concentration reproducibility geochemical characterization variation contribution assist production allocation geological subdiscipline batch commingled fluid aromatic fraction...
Journal Articles
J Pet Technol 75 (09): 94–96.
Paper Number: SPE-0923-0094-JPT
Published: 01 September 2023
... maturity and to evaluate the effect of adsorption on shale gas during production. Introduction Carbon isotope type curves constructed for compounds from methane through n-pentane can be used to group gases into distinct families and correlate them to their source rocks. Large variations in carbon isotope...
Journal Articles
J Pet Technol 75 (07): 86–88.
Paper Number: SPE-0723-0086-JPT
Published: 01 July 2023
... complex reservoir reservoir surveillance geological subdiscipline heterogeneity shale argentina government directional drilling vaca muerta reservoir characterization productivity thickness lateral length information npv variation similarity TECHNICAL PAPERS | Unconventional and Tight...
Journal Articles
J Pet Technol 74 (11): 76–77.
Paper Number: SPE-1122-0076-JPT
Published: 01 November 2022
... fractures—natural fracture interaction, proppant transportation and settlement, casing friction, new government equations of fracture propagation, and fracture roughness. Fully coupled fracture modeling work flows with stress variation, solid transportation, and fluid flow become the mainstream, while model...
Journal Articles
J Pet Technol 74 (10): 106–109.
Paper Number: SPE-1022-0106-JPT
Published: 01 October 2022
... downhole, log-based prediction of the sand-particle-size variation along the well path, modeling of sand filtration based on experimental and analytical methods for specific completion options, and a natural sandpack-permeability prediction for standalone screen (SAS) completions and associated well...
Journal Articles
J Pet Technol 74 (05): 93–95.
Paper Number: SPE-0522-0093-JPT
Published: 01 May 2022
... loading, and fluid-seepage measurements. The examined sections were recovered from a North Sea well during a permanent plug-and-abandonment operation. The measurements have been analyzed with an aim of describing in detail the spatial variations in the cement properties and relating them to the logs...
Journal Articles
J Pet Technol 74 (04): 85–87.
Paper Number: SPE-0422-0085-JPT
Published: 01 April 2022
... are developed in the complete paper by defining key areas based on permeability variation, areal distribution, and pressure/volume/temperature (PVT) behavior. The best FGIIP estimation is then fed back into the static model to generate numerous realizations considering the static uncertainties to produce...
Journal Articles
J Pet Technol 73 (09): 6.
Paper Number: SPE-0921-0006-JPT
Published: 01 September 2021
... to determine the rates for the first 30 years of natural forest regrowth. A map showed more than 100-fold variation in rates across the globe and indicated that default rates from the Intergovernmental Panel on Climate Change may underestimate the rates by 32% on average and do not capture eightfold variation...
Journal Articles
J Pet Technol 73 (04): 42–43.
Paper Number: SPE-0421-0042-JPT
Published: 01 April 2021
... collection was planned for all lateral wells. The geomechanical properties recorded were used to reduce risks during completions further by informing the plug and perforation stage design. Stages were planned to reduce variation in minimum horizontal stress ( Sh min ) within each stage. The geomechanical...
Journal Articles
J Pet Technol 73 (01): 36–38.
Paper Number: SPE-0121-0036-JPT
Published: 01 January 2021
... description aker bp reservoir surveillance flowline pressure variation oil level water cut heat map scenario 36 JPT JANUARY 2021 I n recent years, Aker BP has explored and developed a number of digital improvements to optimize production. The underlying business drivers are meant to improve...
Journal Articles
J Pet Technol 72 (09): 60–61.
Paper Number: SPE-0920-0060-JPT
Published: 01 September 2020
... reservoir rocks. These methods can estimate variations in fluid properties at reservoir depth in a distance range of hundreds of meters, although the spatial resolution decreases significantly with the distance between sources and receivers. Furthermore, combining multiple layouts in boreholes...
Journal Articles
J Pet Technol 72 (08): 53–54.
Paper Number: SPE-0820-0053-JPT
Published: 01 August 2020
... Engineers drilling operation variation recovery log analysis unusual log response radial variation well logging log response borehole reservoir characterization upstream oil & gas correspond formation evaluation data near-wellbore reflection image fracture slowness significant...
Journal Articles
J Pet Technol 72 (07): 51–52.
Paper Number: SPE-0720-0051-JPT
Published: 01 July 2020
... simulations, and advanced reservoir simulation. Reservoir Simulation Modeling in Unconventionals Unconventional reservoirs are heterogeneous across multiple scales and exhibit variations in production performance across wells. The production variation is influenced by a large variation in production drivers...
Journal Articles
J Pet Technol 72 (06): 71–72.
Paper Number: SPE-0620-0071-JPT
Published: 01 June 2020
... Engineers production control artificial intelligence geological review thermal method enhanced recovery steam-assisted gravity drainage total thickness thickness production monitoring sagd depletion reservoir characterization variation steamflood operation optimization process...
Journal Articles
J Pet Technol 72 (06): 63–64.
Paper Number: SPE-0620-0063-JPT
Published: 01 June 2020
... flowback period can be useful for fracture diagnosis. Recent developments in downhole temperature-monitoring systems open new possibilities to detect these temperature variations to perform production-logging analyses. In the complete paper, the authors derive a novel analytical solution to model...
Journal Articles
J Pet Technol 72 (04): 54–56.
Paper Number: SPE-0420-0054-JPT
Published: 01 April 2020
... to real-time reservoir fluid mapping through time-lapse electromagnetic tomography during production or injection. The variations of the electromagnetic fields caused by changes of the fluid distribution are measured in a wide range of distances from the well. The data are processed and interpreted...
Journal Articles
J Pet Technol 71 (03): 75–76.
Paper Number: SPE-0319-0075-JPT
Published: 01 March 2019
... component of EM radiation showing a signal above the estimated noise floor for waterfront variation over a period of 2 years. The results of the study led to modifications of the cross-well EM acquisition system where electric field sensors were added to the existing magnetic field sensors. A powerful...

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