Magnetic and gravity source models of the Gairdner Dolerites

Philip Heath, Clive Foss

Petroleum Exploration Society of Australia (PESA)

... by a gravity survey with a station spacing of 400 metres. Figure 3 shows an image of the vertical derivative of Bouguer gravity with an overlay of RTP (reduced...

Extended Abstract: The Forgotten Curvature: Applications for the Negative of the Second Derivative to Post-Stack Seismic Reflection Trace Volumes

Randy Bissell

GCAGS Transactions

...Extended Abstract: The Forgotten Curvature: Applications for the Negative of the Second Derivative to Post-Stack Seismic Reflection Trace Volumes...

Leveraging the Power of Public Data to Solve Multiple Challenges in Unconventional Reservoirs

Siddhartha Gupta, Raj Banerjee

Unconventional Resources Technology Conference (URTEC)

... all the basins, the top 5 operators (in terms of average liquid or gas production per well) complete their wells with less resource consumption...

Horizontal Drilling In Oil Shales - Workshop Summary

Julie Lefever, Gary Lawyer, Bob Cluff, Wayne Upchurch, Randy Braswell

PTTC

..., such as and derivative maps to indicate zones of high fracture intensity. TECHNOLOGY OVERVIEW The workshop focused on the characteristics of oil and gas shales...

Time-lapse seismic joint inversion based on Zoeppritz equation in depth domain

Wenjin Li, Jingye Li, Lei Han, Zhen Liao

International Meeting for Applied Geoscience and Energy (IMAGE)

... the elastic parameter at the minimum value of the objective function, we just take the derivative of formula (5) and make the derivative equal to zero: ∂J...

Abstract: Reverse Time Migration of Prestack Elastic Data; #90224 (2015)

R. Ferner and M. D. Sacchi

Search and Discovery.com

... particle velocity component vx from equations 1. It can be seen how spacial finite-difference derivative approximations of stresses (Txx , Txz ) at time...

A Production Decline Model Based on Anomalous Diffusion Stemming from Complex Fracture Network

Shuai Liu, Han Li, Peter Valkó

Unconventional Resources Technology Conference (URTEC)

... Anomalous diffusion that features fractional order derivative in time and space or both is a phenomenon widely observed in nature (Adams and Gelhar 1992...

Computerized Magneto-Electric (ME) Exploration: With Case History: The Giddings Field, Lee County, Texas

S. J. Pirson

Bulletin of South Texas Geological Society

... example of ME Exploration. U. S. Patent 3,943,436 issued to Sylvain J. Pirson and Jacques E. Pirson, “Line Integral Method of Magneto-electric...

The Role of Diffusion in Primary and Enhanced Oil Recovery from Fractured Unconventional Reservoirs

Olufemi Olorode, Hassan Amer, Harun Rashid

Unconventional Resources Technology Conference (URTEC)

... (1985) as follows: [16] where δij is the Kronecker delta and is the fugacity coefficient of component i in phase α. The partial derivative...

Reserve Estimation With Unified Production Analysis

Mohamed Mehana, Jeff Callard

Unconventional Resources Technology Conference (URTEC)

... depletion. The approach relies on the linear flow derivative. Linear flow exhibits a straight line when cumulative production is plotted versus...

Abstract: Geological Terrain Mapping in Cameron Highlands District, Pahang

Zakaria Mohamad, Chow Weng Sum

Geological Society of Malaysia (GSM)

..., topography, landform and zones which are potentially unstable. Terrain Classification Map and its derivative thematic maps such as Landform, Erosion...

Geological And Structural Interpretation Of Ado-Ekiti Southwest And Its Adjoining Areas Using Aeromagnetic Data

Search and Discovery.com

Direct Characterization of Complex Fracture Network Using Improved Rate-Transient Analysis Method in Tight Oil Reservoir Exhibiting Multiphase Flow

Jianquan Tian, Bin Yuan, Jinchang Li, Wei Zhang

Unconventional Resources Technology Conference (URTEC)

... be categorized as follows: the modification of pseudo-variables method (e.g., Shahamat and Clarkson, 2018; Zhang, 2019), the iterative integral method (e.g....

Spectrally Dependent Fault Detection Attribute and Derivative Products: An Application Review in Unconventional Plays

Umberto Barbato, Gabriel Gil, Eshetu Gebretsadik, Gene Sparkman

West Texas Geological Society

...Spectrally Dependent Fault Detection Attribute and Derivative Products: An Application Review in Unconventional Plays Umberto Barbato, Gabriel Gil...

Abstract: Geophysical modeling in the Cabot Strait - St. Georges Bay area between Cape Breton Island and western Newfoundland, Canada

L. Zsamboki, S. M. Barr, S. A. Dehler

Atlantic Geology

... results are produced by the 1st and 2nd vertical derivatives of magnetic data, as the first vertical derivative allows for sharper resolution of near...

Reversal of Basement-Block Motions in Cambay Basin, India, and Its Importance in Petroleum Exploration: DISCUSSION

S. C. Gambhir

AAPG Bulletin

... of altered trap layers, and (3) the intercalation of pyroclastic beds. Thickness and Areal Distribution Thick trap-derivative conglomerates...

Modeling Methane-hydrate Formation in Marine Sediments

Lili Zheng, Hui Zhang, Mingyu Zhang, Prasad Kerkar, Devinder Mahajan

AAPG Special Volumes

... and the time history of all field variables for all the particles. First, the integral representation of a function and that of a derivative of a function...

Understanding Naturally Fractured Reservoirs - Workshop Summary

Paul McDonald, Steve Laubach, Bob Hardage, Violeta Ivanova, Jack Pashin

PTTC

... derivative structure maps (displaying the rate of change of curvature related to subtle bends in the the Gilbertown graben system faults) showed...

The 3rd Naturally Fractured Reservoir Symposium - Multiple Workshop Summary

Paul McDonald, Steve Laubach, Bob Hardage, Violeta Ivanova, Jack Pashin

PTTC

... in Alabama, second derivative structure maps (displaying the rate of change of curvature related to subtle bends in the the Gilbertown graben system faults...

Oil Recovery From Naturally Fractured Reservoirs: Field Studies, Modeling, and Analytic Methods - Workshop Summary

Paul McDonald, Steve Laubach, Bob HArdage, Violeta Ivanova, Jack Pashin

PTTC

.... In the Gilbertown Field area in Alabama, second derivative structure maps (displaying the rate of change of curvature related to subtle bends...

A Midland Basin operators approach to data collection and current best practices for mitigating induced seismicity

Murray Dighans, Ben Davis, Andrew Quarles Van Ufford, Ryan Kavanagh, Peter Hennings

International Meeting for Applied Geoscience and Energy (IMAGE)

...A Midland Basin operators approach to data collection and current best practices for mitigating induced seismicity Murray Dighans, Ben Davis, Andrew...

Some Seismic Instantaneous Bandwidth Attribute Applications; #42515 (2020)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... interpretation packages include an instantaneous bandwidth attribute defined as the ratio of the derivative of the instantaneous envelope...

Some Definitions

Jeffrey S. Hanor

Special Publications of SEPM

... to represent the rate of change of that property with distance as a first derivative, e.g., dT/dz. dT/dz, of course, is simply the slope or gradient of the line...

Quantifying Spacing Degradation in Northern Delaware Basin Using Machine Learning and Subsurface Properties

Charles Connell, Kyle LaMotta, Jizhou Li, Matt Mayer

Unconventional Resources Technology Conference (URTEC)

.... Meanwhile, operators continue making high stakes spacing decisions based on incomplete information. This paper introduces a novel, automated modeling system...

Enhancing Vertical Seismic Resolution with Seismic Frequency Restoration and Attributes; #42156 (2017)

Luis Vernengo, Eduardo Trinchero, Maximillian Garcia Torrejon, Ignacio Rovira

Search and Discovery.com

... derivative of seismic data is computed and each change of sign of the temporal derivative in the seismic trace is replaced by a pulse of equal magnitude...