Determination of Fluid Entry in Eocene Producers of Upper Assam Basin with the Help of New and Advanced Production Logging Tool, #40874 (2012)

Polash Gogoi, B. Saha

Search and Discovery.com

..., as no appreciable change was noticed in dT/dz (Temperature derivative over depth) curve. From PVT data the reservoir seems to be a under saturated...

Power Imaging „ A Passive Electromagnetic Hydrocarbon Detection Method: Examples from Railroad Valley, Nevada; #40966 (2012)

Dietmar (Deet) Schumacher, W. Barry Weaver, and Roy K. Warren

Search and Discovery.com

...’s and (3) long depth intervals for which the red and blue derivative curves move together in phase. These characteristics are well illustrated in Figures...

Lightning Data - A New Geophysical Data Type; #41184 (2013)

H. R. Nelson, Jr., D. James Siebert, and Les R. Denham

Search and Discovery.com

... the commissioning/set up costs for a seismic crew. In addition, there is always more data being added to the database. So once cleaned up derivative data...

Characterization of Tensleep Reservoir Fracture Systems Using Outcrop Analog, Fracture Image Logs and 3D Seismic; #50877 (2013)

Thomas H. Wilson, Valerie Smith, and Alan L. Brown

Search and Discovery.com

... workflow 3. Output A > Absolute value of first derivative (AFD) 4. Output B> Ant Track discontinuities extracted from dip deviation on AFD...

Eagle Ford Solutions: Critical Log Data, Solutions and Conclusions; #41287 (2014)

Charles H. Smith

Search and Discovery.com

.... The evaluation that was applied used a derivative of the Bray-Smith permeability equation (Smith et al., 2008). This equation provides useful estimates...

Rapid Exploration in a Mature Area in Northwest Kansas: Improving the Definition of Key Reservoir Characteristics using Big Data; #41685 (2015)

W.E. (Bill) Full, Steve James

Search and Discovery.com

...) of gravity and magnetic data • Directional vector of the derivative gravity and magnetic data • Producing/non-producing  24 Variables  Each...

Mapping Sub-Surface Geology from Magnetic Data in the Hides Area, Western Papuan Fold Belt, Papua New Guinea; #30438 (2016)

Irena Kivior, Stephen Markham, Leslie Mellon

Search and Discovery.com

... data was Reduced To Pole (RTP) using an inclination of -27.5º and a declination of 4.86º (Figure 4). Derivative maps and a full suite of filters...

Structural Geology Observations Derived From Full Tensor Gravity Gradiometry Over Rift Systems, #41784 (2016).

Desmond FitzGerald, Horst Holstein

Search and Discovery.com

... is found using standard edge detection methods. An upward continuation strategy is employed. At each step, a double horizontal derivative is calculated so...

Parson's Model Modification to Describe the Aperture/Closure Behavior of Naturally Fractured Systems; #41932 (2016)

E. A. Lopez, A. Naranjo, J. M. Mejia

Search and Discovery.com

... pressure pi, and γ is the permeability modulus, which is defined as the derivative of permeability with respect to pressure, divided by the average...

Integrating Geological Attributes with a Multiple Linear Regression of Geophysical Well Logs to Estimate the Permeability of Carbonate Reservoirs in Campos Basin, Southeastern Brazil; #10930 (2017)

Paula Almeida, Abel Carrasquilla

Search and Discovery.com

... Rider, 2000). Log Measured Parameter Derivative Property/Information Gamma rays Total U, Th, and K content of formations Lithology/argilosity...

Coherence Attribute Applications on Seismic Data in Various Guises, #42273 (2018).

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... the spectrum of the input data in addition to simple spectral balancing, including the amplitude-volume technique (AVT), taking the derivative of the input...

Quantitative Calibration of Hyperspectral Core Imaging Data: A New Method for Producing Continuous, High-Resolution Mineralogical Characterization of Cores from Both Conventional and Unconventional Reservoirs; #42444 (2019)

James Greene, Tobi H. Kosanke, Paul Linton

Search and Discovery.com

... the Distribution of Ferric Iron Minerals on a Vertical Mine Face using Derivative Analysis of Hyperspectral Imagery (430–970nm): ISPRS Journal...

Utilization of High-Resolution Short- and Long-Wave Hyperspectral Imaging for Integrative Rock Typing; #42447 (2019)

Xiuju Liu, Tobi Kosanke

Search and Discovery.com

... Monteiro, 2013, Mapping the Distribution of Ferric Iron Minerals on a Vertical Mine Face using Derivative Analysis of Hyperspectral Imagery (430–970nm...

Refinement of Radiometric Analysis: Case Study Dongara Area of Onshore Western Australia; #42514 (2020)

Afif Arbi, Ronald W. Klusman

Search and Discovery.com

... divergences spotted 2nd Vertical Gravity Derivative Map Cross-Profile divergences Legend U - Uranium K - Potassium 16 © 2019 Raphael Energy Group Limited...

AAPG Europe Region Meetings

Search and Discovery.com

Resource Assessment Status Report on Geothermal Energy within Deep Sedimentary Basins in Texas

Richard J. Erdlac Jr., Linda Armour, Robert Lee, Susan Snyder, Mike Sorensen, Mike Matteucci, Jordan Horton

GCAGS Transactions

... in the form of T = eC(z + B) (4) where C is a new constant defined as 1/A (Table 1). Finally, taking the derivative of each equation gives the form...

Geothermal Resources Along the Southern Rocky Mountains and the Rio Grande Rift

Paul Morgan, James C. Witcher

Rocky Mountain Association of Geologists

... reservoir and derivative lateral outflow waters are the third type, and were first discovered by deep drilling. Chemically these deep waters are distinct...

Tiltmeter Mapping and Monitoring of Hydraulic Fracture Propagation in Coal: A Case Study in the Warrior Basin, Alabama

George A. Gazonas, Chris A. Wright, M.D. Wood

Rocky Mountain Association of Geologists

... set of source parameters. Tilt is defined as the spatial derivative of the vertical displacement field (fig. 1). Graphically, the solution to source...

Production Improvement From Naturally Fractured Oil Reservoir Using Multilateral Wells

Sri Feni Maulindani, Dedi Irawan, Doddy Abddasah

Indonesian Petroleum Association

... coefficient. pdf = Pressure Derivative Fracture tdf = Time Derivative Fracture Pc = Capillary Pressure Kr = Permeability Relative Kro = Permeability...

Geometry, Flow, and Sediment Transport of Alluvial Deposits Induced By Topographically Driven Flow Expansions

Luca Sittoni, Chris Paola, Vaughan Voller

Journal of Sedimentary Research (SEPM)

... the available overhead images. The angle was calculated as the local first derivative of the expansion boundary with respect to the local longitudinal direction...

Flow Regimes and Solute/Energy Transport

Jeffrey S. Hanor

Special Publications of SEPM

... of the flux pi a For example, the with distance along If this derivative is zero, it means that the component of flux of fluid entering a volume...

Fluid Flow

Gerard Middleton, John B. Southard

Special Publications of SEPM

... (3.3) s where we have assumed that p is constant and so can be moved outside the derivative. (In this section y is used not as the component...

Introduction to Nonlinear Models

Gerard V. Middleton and David M. Rubin

Special Publications of SEPM

... they contain terms like x2(dx/dt)powers of x or products of x with its derivative (in this case, both). The simple oscillator shows simple harmonic motion...

Geoscience in Landuse Planning for Environmental Sustainability

Joy Jacqueline Pereira, Ibrahim Komoo

Geological Society of Malaysia (GSM)

..., coastal hazards, floodplain hazards and thickness of overburden. Derivative maps showing ease of excavation, landslide susceptibility, slope stability...

A Generalized Methodology for Estimating Stress-Dependent Properties in Tight Petroleum Reservoirs and Its Application to Drill Cuttings Data

Jaime Piedrahita, Bruno Lopez, Roberto Aguilera

Unconventional Resources Technology Conference (URTEC)

... 𝑃𝑃 𝑘𝑘 ) 𝛼𝛼 −(log 𝐷𝐷) 𝛼𝛼 ] 1 𝜙𝜙 � 𝜙𝜙 𝑖𝑖 ∙ 𝑑𝑑� 𝐶𝐶 = − 𝑑𝑑𝑃𝑃 𝑘𝑘 (13) Taking the derivative of Eq. 6 with respect to the net stress...