The Challenge of Pore Pressure Prediction in Indonesias Warm Neogene Basins

Agus M. Ramdhan, Neil R. Goulty, Lambok M. Hutasoit

Indonesian Petroleum Association

.... Because the density log measures the bulk porosity of the mudrock (e.g. Hermanrud et al., 1998), it is barely affected by the fluid expansion...

Reservoir Characteristics of Precambrian Basement Rocks: Fort Stockton High, Pecos Co. Texas

James A. Bucci, Mary K. Nelis

West Texas Geological Society

... greater than 2.71 g/cc, typically in the 2.9-3.1 g/cc range. Neutron-density log response is similar to shale with the neutron reading approximately 20...

A New Approach in Determining Coal Geometry and Gas Content by Using 2D Seismic and Well Logs. Case Study: Central Sumatra Basin

Asep Ginanjar, Azarico Putra, Rizaldi Oki

Indonesian Petroleum Association

... from the Density-Neutron log as follows: PHIA= 0.5 * (NPHI + (RHOB - 2.71) / 1.71) RHMACA = (RHOB - PHIA)/ (1.0 - PHIA) A crossplot between RHMACA and DT...

Reducing Uncertainties In Shear Wave Petrophysical Log Prediction By Using Deep Neural Network and Machine Learning Methods

Muhammad Faris Abdurrachman, Muhammad Dhafit Muhsin

Indonesian Petroleum Association

... of the calliper, gamma-ray, density, neutron, sonic (Vp), Shear-wave (Vp), resistivity, and porosity log (See table 2). All log data was used to generate...

Integrating deep directional resistivity with machine learning for improved well placement in the Nikaitchuq Field, North Slope Alaska

Christopher McCullagh, Joshua Zuber

International Meeting for Applied Geoscience and Energy (IMAGE)

... categorical. The 16 continuous variables are wellbore measurements available while drilling; gamma ray, formation density, neutron porosity, three...

Unconventional Reservoir Water Saturation Quantification with NMR and Resistivity Logging

Wei Shao, Songhua Chen, Ron Balliet

Unconventional Resources Technology Conference (URTEC)

... to a value of 1, 𝜙𝜙 𝑡𝑡 is the total porosity, and 𝑆𝑆 𝑤𝑤𝑤𝑤 is the total water saturation. min (log 𝑅𝑅 𝑡𝑡 − log 𝑅𝑅 𝑎𝑎𝑎𝑎𝑎𝑎ℎ𝑖𝑖 𝑖𝑖 )2...

Gas Occurrence in the Caney Shale, Part 2, Conclusion

Tyler J. Maughan, David Deming

Oklahoma City Geological Society

... is present within the shale. When the neutron and density curves from a porosity log track each other closely within a shale section, that shale...

Automation of Logging While Drilling Formation Testing: A Step Ahead Towards Digitalization

Saunil Rajput, Arvind Kumar, Poorna Venkata Sai Teja Nukala, Vaibhav Deshpande, Velerian Sanjao Lopes

Unconventional Resources Technology Conference (URTEC)

... learning models based on pretest quality index using basic openhole log data (gamma ray, resistivity, density-neutron porosity) and pretest parameters...

Secondary Natural Gas Recovery in Mature Fluvial Sandstone Reservoirs, Frio Formation, Agua Dulce Field, South Texas

William A. Ambrose , Raymond A. Levey , Jose M. Vidal , Mark A. Sippel , James R. Ballard , David M. Coover, Jr. , Walter E. Bloxsom

GCAGS Transactions

... and critical water saturations (Fig. 13). Data available included a modern log suite of dual induction with density-neutron-gamma ray (GR) combination...

Wiltex

Paul M. Gerlach/Mark Rude

Kansas Geological Society

...-Density-Neutron Logs are run from approx. the Heebner Shale to TD. (Bottom 2000' of borehole) PRODUCING RESERVOIR DATA Producing Formation...

Bualuang Field Geological Cellular Model- A Multipoint Geostatistics Approach For Modelling Complex Fluvial Hydrocarbon Reservoirs

Search and Discovery.com

Chapter 16: The Jansz-Io Gas Field, Northwest Shelf Australia: A Giant Stratigraphic Trap

C. C. Jenkins, A. Duckett, B. A. Boyett, P. N. Glenton, A. A. Mills, M. C. Schapper, M. A. Williams, J. G. McPherson

AAPG Special Volumes

... to right: Gamma = gamma ray; TVDSS = true vertical depth from mean sea level datum; Resistivity, D/N = density/neutron; TTK = formation pressure...

Technical Aspects Controlling the Emerging Eagle Ford Play East of the San Marcos Arch

Richard McLean, David Miertschin, Keith Owen, Nathan Winters, Nathan Whitman

Unconventional Resources Technology Conference (URTEC)

... out. Normalizations were performed on the neutron and density logs using histograms. Wells with consistent responses over the geographic study area...

An Integrated, Multiscale Geomodel of the Northern Delaware Basin

Robin Dommisse, Xavier Janson, Frank Male, Buddy Price, Simon Payne, Andrew Lewis

Unconventional Resources Technology Conference (URTEC)

... petrophysical well log curves, including gamma ray, resistivity, density, and neutron-porosity. Vertically resampled, calculated petrophysical log properties...

Statistical Analysis of the Petrophysical Properties of the Bakken Petroleum System

Aimen Laalam, Habib Ouadi, Ahmed Merzoug, Abderraouf Chemmakh, Aldjia Boualam, Sofiane Djezzar, Ilyas Mellal, Meriem Djoudi

Unconventional Resources Technology Conference (URTEC)

... (fractional) 𝜙 𝑒 = shale corrected porosity from density neutron logs (fractional) 𝜙 𝑠𝑒𝑐 = secondary porosity index (SPI) (fractional) (9) (10...

Basin-Scale Rock Physics Study and Stochastic AVO Modelling for the Deep Water Kutei Basin (East Kalimantan … Indonesia)

Gabriela Carrasquero, Alessandro Amato del Monte, Fabio Luoni, Paolo Battini, Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Nasif Khifni

Indonesian Petroleum Association

... with recorded elastic and computed petrophysical logs (density, P-wave velocity, S-wave velocity, porosity, clay volume, water saturation, etc...

Identification of Biogenic Gas Potential Using Integrated Seismic Data, Wireline Log and Geochemistry Data; A Study Case: Muriah Sub-Basin, Bawean Arc, Offshore Northern East Java

Baharuddin Fahmi, Ahmad Filza A, Yordan Irsyadie A, Jati Arif Pribadi, Dadali Rakasiwi

Indonesian Petroleum Association

..., Shallow Resistivity, LLD, LLD, MSFL, Density, and Neutron Log. Seismic data can be used to earn 2D seismic section for all research area. Well test...

Maximising Production from the Gippsland Basin: Integrating Subsurface Datasets across Multiple Disciplines to Increase Domestic Gas Supply

Adam Fynnaart, Natalie Debenham, Arun Kumaravel, Kieran Trump, Angus Goody

Australian Petroleum Production & Exploration Association (APPEA) Journal

... and Caliper, Depth, Deep Resistivity, Density and Neutron, Total Porosity and Total Water Saturation. The two logs displayed on the right show the initial...

Field Summary: Lost Creek - Lanyard Fields

S.A. Sonnenberg

Rocky Mountain Association of Geologists

... Electric log from total depth to surface casing. Old wells in the fields ran micrologs over the prospective zones whereas density and/or neutron logs...

Subsurface Characterization of Hydraulic Fracture Test Site-2 (HFTS-2), Delaware Basin

Fadila Bessa, Kanay Jerath, Chris Ginn, Patrick Johnston, Yu Zhao, Tim Brown, Ruben Lopez, James Kessler, Brian Nicklen, Vinay Sahni

Unconventional Resources Technology Conference (URTEC)

... 1: Spectral and Total Gamma Ray logs 2: Depth 3: Stratigraphic Formation Tops 4: Resistivity logs 5: Bulk Density, Neutron Porosity, Photoelectric...

Microfracture classification, quantification, and petrophysical behavior in the Tengiz and Korolev carbonate reservoirs, Kazakhstan

Neil F. Hurley, Ted E. Playton, and Josephina Schembre-McCabe

AAPG Bulletin

... to be separately detected by conventional density, neutron, sonic, or nuclear magnetic resonance logs. Microfracture apertures (0.2–10 μm) are generally too narrow...

Evaluation of Coal Bed Methane Reservoirs (CBM) Using a Down-Hole Geo-Chemical Tool

Haris Kurniawan Hidayat, Udit Kumar Guru

Indonesian Petroleum Association

... thermal neutron porosity reading of the reservoirs. The type and the rank of the coal would cause an exception to these log properties. Identification...

Late Cretaceous Rift Volcanics of the Gippsland Basin, SE Australia - New Insights from 3D Seismic

G. J. O'Halloran, E. M. Johnstone

Petroleum Exploration Society of Australia (PESA)

... and strong peaks in both these wells. Track 1; gamma ray and caliper logs, track 2; resistivity, track 3; density and neutron porosity curves, track 4...

Constructing High Resolution, Inch Scale Continuous Logs via a Multi Domain Approach to Improve Hydraulic Fracturing by Capturing Thin Beds in the Bone Spring Formation, Delaware Basin, Reeves County, TX

Santhosh Narasimhan, Pukar Mainali, Harry Rowe, Austin Morrell, Wesley Ingram, Andy Benson, Nathan Ganser, Sean Arrington

Unconventional Resources Technology Conference (URTEC)

... - bu (RHOB) and e ulk edited (RHOBE) density, synthetic pho otoelectric log (SY YN_PEF), neutron porosity on a lime estone scale (NPH HI_LS), log...

Acquisition and Interpretation of Horizontal Well Logs

Kyel Hodenfield, Bill Scanlan

Pacific Section of AAPG

...) measurements (dual resistivity, natural gamma ray spectroscopy, neutron porosity, formation bulk density and photoelectric factor, Pe). They come later from...