Can Sparse OBN Equal Savings and Data Quality?

Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION

GEO ExPro Magazine

..., and model refinement that used a top of salt horizon and well constraints. This model is not used for estimation of the velocity for the three described...

Incorporating estimates of data covariance in elastic FWI to combat random and correlated noise

Luping Qu, Scott Keating, Kristopher A. Innanen, Xin Fu

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the estimation of model parameter V p, V s, and density, and, to mitigate their influence, we adopted a two-stage inversion approach, whose second stage...

Model-Based Type Wells Reduce Uncertainty in Production Forecasting for Unconventional Wells

Arjun Ravikumar, W. John Lee

Unconventional Resources Technology Conference (URTEC)

...Model-Based Type Wells Reduce Uncertainty in Production Forecasting for Unconventional Wells Arjun Ravikumar, W. John Lee URTeC: 3245 Model-based...

Plumbing the Depths: Testing Natural Tracers of Subsurface CO2 Origin and Migration, Utah

Mark Wilkinson, Stuart M. V. Gilfillan, R. Stuart Haszeldine, Chris J. Ballentine

AAPG Special Volumes

... and isotopic tracers to fingerprint the origin of CO2 and water erupting at the surface. Stable oxygen and hydrogen isotope data enable the estimation...

Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data

Burkhard Buttkus

Geological Society of Malaysia (GSM)

... the model. The most serious effect is due to deviation from the vertical homogeneous model. Only if the interval is reasonably homogeneous will the estimated...

Probabilistic Technique to Estimate Duration of Rig-Less Gravel Pack Completion for a Better Planning

Rahmat Sinaga, Boris Styward, Garry Andrew Yandra

Indonesian Petroleum Association

.... Time and cost estimation for each campaign can be critical factors to predict and to arrange the work loads of each fleets. Taking immediate data from...

Pluto 4D„Australias First 4D over a Gas Field is an Outstanding Success

Larry Tilbury, Andre Gerhardt

Australian Petroleum Production & Exploration Association (APPEA) Journal

... compilation Ó APPEA 2018 steep scarps running along slope above the field. The presence of this complex topography and steep dips in the overburden have...

Resolving Water Saturation Estimation in Thin Carbonate Reservoirs Using Resistivity Inversion, #40931 (2012)

Amr M. Serry, Sabah K. Aziz, Omar Al-Farisi, Mariam Al-Marzouqi, Sultan Budebes

Search and Discovery.com

...Resolving Water Saturation Estimation in Thin Carbonate Reservoirs Using Resistivity Inversion, #40931 (2012) Amr M. Serry, Sabah K. Aziz, Omar Al...

Carbon Storage Feasibility Assessment of the Vermilion Leasing Block, Central Gulf of Mexico, USA: Opportunities for Depleted Field and Saline Reservoir Storage

Lars Koehn, Matthew Tascione, Abduljeleel Ajibona, Ethan Conley, Salman Karim, John Ogunleye, Uzezi Orivri, Akash Talapatra

Carbon Capture, Utilization and Storage (CCUS)

... field model mesh. Undifferentiated overburden sediments are shown in purple, mapped shale sealing units are shown in blue, mapped sand reservoir...

AVA attribute estimation from misaligned seismic gathers using U-Net

Ammar Ghanim, Ricard Durall, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

...AVA attribute estimation from misaligned seismic gathers using U-Net Ammar Ghanim, Ricard Durall, Norman Ettrich AVA attribute estimation from...

Determining Maximum Horizontal Stress with Microseismic Focal Mechanisms - Case Studies in the Marcellus, Eagle Ford, Wolfcamp

Alireza Agharazi

Unconventional Resources Technology Conference (URTEC)

... stress is commonly assumed as one of the principal stresses whose magnitude is equivalent to the weight of overburden rock, calculated from density...

Petrophysical Analysis, Permeability Prediction and Rock Type Determination of Carbonate Reservoir: Case Study of Semoga Field, South Sumatra, Indonesia

Erick Prim Putra, M. Rifki Akbar. Marja Dinata

Indonesian Petroleum Association

... saturation from well logs, aligned wells with core measurements. As a result, an improved reservoir model was built with the purpose of validating...

Modeling-based amplitude recovery (MBAR)

Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church

International Meeting for Applied Geoscience and Energy (IMAGE)

..., overburden wave propagation, and processing algorithms. Waveform inversion (Tarantola, 1984) and least-squares migration (Nemeth et al., 1999) calibrate field...

Maximizing imaging resolution and amplitude fidelity of low-dip stratigraphic traps through continued optimization of seismic acquisition and processing: A case study from the Guyana South East Stabroek Block

Yaxun Tang, Fuxian Song, Lorie Bear, Mark Widmer, Luke Wilson, Vikas Gudipati, Rishi Bansal, Steve Knapp, Chunshou Xia, Wei Zhao, Yu Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

...-wavefield inversion (FWI) in velocity model building (VMB) by ExxonMobil internally to improve reservoir definition. The Turbot area was reprocessed...

Geocellular Model for Tertiary Reservoirs in Manhera Tibba Gas Field, Jaisalmer Basin, Rajasthan, India

Search and Discovery.com

Uncertainty and Risk Analysis of 3D Geological Model for Syn Rift HP-HT Reservoir of Krishna –Godavari Basin, India

Search and Discovery.com

Improved Decision Making Through Optimized Data Acquisition Program in Deepwater Exploration Drilling - A Case Study from East Kalimantan

Graziano Capone, Lilik Budi Riyanto, Cikko Majesta, Ali Shahbazi Fakhr, Hengky Ng, Yevgeniy Karpekin

Indonesian Petroleum Association

..., application of new technologies to measure missing information, petrophysical model building, and using the model in a well for which only minimally...

The Permeability of Overpressure Shale Seals and of Source Rock Reservoirs is the Same; #40935 (2012)

Kenneth E. Williams

Search and Discovery.com

... of the overburden load and is overpressured (undercompaction disequilibrium). Source rock reservoirs (SRR) are present in ‘shales’ with permeabilities...

Modeling secondary oil migration with core-scale data: Viking Formation, Alberta basin

Elise B. Bekele, Mark A. Person, Benjamin J. Rostron, Randal Barnes

AAPG Bulletin

.... This permeability model is not appropriate for simulating stratigraphic entrapment of oil, but it does reveal that core-scale data...

Abstract: Petroleum Formation and Tracing in the Paleozoic Marine strata-Isotope System, by Wenhui Liu, Jie Wang, Tenger, and Cheng Tao; #90175 (2013)

Search and Discovery.com

Spectral Recomposition in Stratigraphic Interpretation, #41376 (2014)

Yihua Cai, Sergey Fome, Hongliu Zeng

Search and Discovery.com

... discontinuities. We propose separable nonlinear least-squares estimation in spectral recomposition. Employing the Gauss-Newton method, separable...

Stochastic Modeling Workflow for Well Drilling Zones Delineation: Integrating Probabilistic Models and Production Data to Reduce Risk, #42134 (2017).

Marcela Feilhaber, Marcelo Pubill

Search and Discovery.com

..., sand distribution or uncertainty estimation. By integrating a 3D model (Petrel) with an analytic reservoir model (SAHARA) we were able to generate multi...

Marchenko focusing using convolutional neural networks

Mert S. R. Kiraz, Roel Snieder

International Meeting for Applied Geoscience and Energy (IMAGE)

...’s function retrieval for arbitrary subsurface locations from recorded reflected waves and smooth velocity model, and the retrieved Green’s function includes...

Least-squares reverse time migration: Lessons learned from recent applications in challenging areas of the Santos Basin, Brazil

Jos Rodrigues, Felipe Duarte, Danilo Domingos, Bruno Pereira-Dias, Elionardo Pintas

International Meeting for Applied Geoscience and Energy (IMAGE)

... in poorly illuminated areas, related to wave propagation in complex overburden and incomplete geometry of acquisition. The earliest applications of LSM...

A Workflow For Success in Shales

Ted Holden, John Pendrel, Fred Jenson, Peter Mesdag

GEO ExPro Magazine

.... A stochastic or statistical model is used to estimate relative volume and distribution of TOC and minerals. First, the presence and volume of some...