Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation

Zhishuai Zhang, Jing Du, Fuchun Gao

Unconventional Resources Technology Conference (URTEC)

... locations to geophone locations using a ray tracing method. According to the inverse problem theory (Tarantola, 2005) under a Gaussian probability density...

Well StudySauk III-IV Interval in the American Quasar 16-21A Horse Heaven-state Well, Confusion Range, West-central Utah

Kevin R. Evans, James F. Miller, Benjamin F. Dattilo

AAPG Special Volumes

... the location of several wildcat wells that were drilled in the late 1970s and early 1980s (Figure 1). From 1991 to 2003, Evans et al. have collected gamma-ray...

Compositional Analysis of Lithologies from Wireline Logs: Chapter 3

John H. Doveton

AAPG Special Volumes

..., Geochemical logging with spectrometry tools: SPE Formation Evaluation, v. 4, no. 2, p. 153-162]. Heslop, A., 1974, Gamma ray log response of shaly...

The development of seismic reflection sandbox modeling

Donald H. Sherlock, Brian J. Evans

AAPG Bulletin

... of the Acoustical Society of America, v. 68, p. 227-231. Biot, M., 1956a, Theory of propagation of elastic waves in a fluid saturated porous solid: I-low...

Stratigraphy and Depositional Setting of the Carrington Shale Facies (Mississippian) of the Williston Basin

PETER F. BJORLIE, SIDNEY B. ANDERSON

Montana Geological Society

.... Results of X-ray diffraction analysis of core samples of the Carrington shale show that illite is the dominant mineral in the shale...

Where to Find Stratigraphic Traps in the Large, Shaly Progradational Delta-Systems

L. Mattioni, I. Moretti, R. Darnault, J.M. Mengus, R. Del Negro

Indonesian Petroleum Association

..., a series of sandbox models have been realized and analyzed by X-ray computerized tomography. They help us to discuss where to look for the less risky...

Predicting Fluvial Reservoir Facies by Upscaling Seismic Inversion with 3D Geocellular Modeling: Pinedale Field Case Study

S.K. Logan, E. LaBarre, C. Dorion, P.R. Clarke, M. Ahmed, A. Hartley

Unconventional Resources Technology Conference (URTEC)

... Marker Interval over modeled area. Track 1 is the Gamma Ray log scaled 0-150 API and color filled to show sandstone(yellow), silty sandstone (orange...

Pressure Solution and Microfracturing in Primary Oil Migration, Upper Cretaceous Austin Chalk, Texas Gulf Coast

Jitesh Chanchani, Robert R. Berg, Chung-I Lee

GCAGS Transactions

... an energy-dispersive X-ray spectrometer (EDS). Solution seams and fractures were closely examined under a SEM to identify their contents. X-ray maps and back...

Low Resistivity Reservoir Pay Evaluation, New Opportunity for Further Development, Case Study On Gumai Formation Of "B" Field, Jambi Sub Basin, South Sumatera Basin

Debby Rahayu, Lia Reulina Ketaren

Indonesian Petroleum Association

... of petrographic, X-Ray Diffraction (XRD), Cation Exchange Capacity (CEC), routine core, Drill Stem Test ((DST) and wireline logs data. Petrographic, XRD, CEC...

Application of Deep Learning Neural Networks to Petrophysical Property Prediction: Case Study from the Powder River Basin

Cameron Snow

Unconventional Resources Technology Conference (URTEC)

... in results for some properties. For example, the Vclay calculated from a single-clay indicator such as the gamma ray log will not match the Vclay...

Geomechanical Complexity Associated With Sub-seismic Fold Structures in a Horizontal Well

Dee A. Moronkeji, Weiwei Wu, Ryan Hillier, Christopher Wolfe

Unconventional Resources Technology Conference (URTEC)

... for the erratic completions and less-than-expected production. Theory and Methods The stress evolution in an elastic layer folded by layer-parallel compression...

Resolving Production Trends in Shale Reservoirs„An Eagle Ford Case Study from Localized Reservoir Characterization to Basin Understanding

Katharine Moncada, Keith Atwood, Rapahael Altman, Raj Malpani, Shirley Indriati, Richard Clayton

Unconventional Resources Technology Conference (URTEC)

... forward to understand the reasons behind the variation in production performance. In the Eagle Ford, 46 wells across 13 counties with gamma ray...

Abstract: Data Mining in Identifying Carbonate Litho-Facies from Well Logs Based from Extreme Learning and Support Vector Machines, by Emad A. El-Sebakhy, Ognian Asparouhov, Abdulazeez Abdulraheem, Abdul-Aziz Al-Majed, Donghui Wu, and Kris Latinski; #90105 (2010)

Search and Discovery.com

DISTINGUISHING BETWEEN DEPOSITIONAL AND DISSOLUTION THINNING: DEVONIAN PRAIRIE FORMATION, WILLISTON BASIN, NORTH AMERICA

CHRIS A. OGLESBY

Williston Basin Symposium

.... Intra-formational correlations within the Prairie were accomplished using gamma-ray and sonic logs (Fig. 4). High gamma-ray values occur within...

Applications and Interpretation of Radioactivity Logs in Southern Louisiana Miocene Sands

William B. Vice

GCAGS Transactions

... these logs are being used. The theory of the instruments used to obtain these logs will not be discussed here, since that phase has been discussed...

Pore-Scale Characterization of Oil-Rich Monterey Shale: A Preliminary Study

Shahram Farhadi Nia, Devang Dasani, Theodore Tsotsis, Kristian Jessen

Unconventional Resources Technology Conference (URTEC)

... experiments, (iii) High-Resolution X-ray CT (HRXCT), and (iv) Focused Ion Beam – Scanning Electron Microscopy (FIB/SEM). The HRXCT and FIB/SEM...

Integrated 3D Seismic Data Modeling and Processing Methodology for Structural Model Analysis: Case Study

T. Salinas

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., 125,584. CONCLUSIONS Červený, V., 2000, Seismic Ray Theory, Cambridge University Press, Cambridge, UK. The 3D seismic modeling technology offers...

Improving Prediction of Total Organic Carbon in Prospective Australian Basins by Employing Machine Learning

Irina Emelyanova, Marina Pervukhina, M. Ben Clennell, David N. Dewhurst

Petroleum Exploration Society of Australia (PESA)

... is commonly obtained from conventional wireline logs, such as gamma ray, density, transit time and resistivity. Due to the complexity of unconventional...

A New Slim Full Bore Electrical Micro-Imaging Tool Conveyed through the Drill String and Bit for Geological and Reservoir Characterization of Unconventional Reservoirs

Sachin Bammi, Peter Wells, Mark Fredette, Julien Toniolo, Abhishek Mallick, Henry Nguyen, Elia Haddad, Robert Laronga, Josselin Kherroubi

Unconventional Resources Technology Conference (URTEC)

...: 2430509 3 Background Theory and Tool Measurements The physical principle used by the TBEI tool is similar to that of standard wireline...

Realtime analysis and well planning using wireline logs in a hydrogeological context

Benjamin Birt, Olga Filiptsova, Sheryl Ryan, Tim Hopper

Petroleum Exploration Society of Australia (PESA)

... logging measurements range from the very basic to advanced. For example, natural gamma ray is very good for bed picking, however the notion that low...

Hierarchical elastic velocities reconstruction with Eikonal-equation-based characteristic reflection traveltime tomography

Jianhua Wang, Jianming Zhang, Liangguo Dong, Yandong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...-wave ray tomography (Stopin and Ehinger, 2001) and stereotomography (Alerini et al., 2007) are two types of elastic velocity model-building methods...

Diagenesis of the Lower Tuscaloosa as Seen in the Dupont De Nemours #1 Lester Earnest, Harrison County, Mississippi.

James H. Hearne ,, Brian E. Lock

GCAGS Transactions

... section). Selected samples were further examined by means of scanning electron microscopy supported with energy dispersive X-ray analysis and by X-ray...

U.S. Gulf Coast Field Experience with Thin-Bed Well Log Analysis

Tony D. Lawrence , Ashok K. Sinha , Walter H. Fertl

GCAGS Transactions

... be delineated. In addition, the tool records acoustic caliper, tool orientation, and correlation curves (e.g., gamma ray). One of the two rotating...

Pore Pressure Estimation in Complex Lithologies: A Novel Approach in Delaware Basin Wolfcamp

Andy Popielski

Unconventional Resources Technology Conference (URTEC)

... the density porosity minus sonic porosity. Theory and/or Methods Traditional techniques assume similarities in shale composition throughout the prediction...

Cybersteering: Automated Geosteering by Way of Distributed Computing and Graph Databases in the Cloud

Tristan Arbus, Steven Wilson

Unconventional Resources Technology Conference (URTEC)

... to be steered with gamma ray once logging-while-drilling and measurement-while-drilling tools became more common, although steering based off of rate...