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The AAPG/Datapages Combined Publications Database

Showing 1,777 Results. Searched 195,354 documents.

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Abstract: Gas content derivative data versus diffusion coefficient

C. F. Rodrigues, M.A.P. Dinis, M.J. Lemos de Sousa

The Society for Organic Petrology (TSOP)

...Abstract: Gas content derivative data versus diffusion coefficient C. F. Rodrigues, M.A.P. Dinis, M.J. Lemos de Sousa Copyright ยฉ 2008 The Society...

2008

Abstract: The Phase Shift Time Stepping Equation and the Marmousi Data Set; #90171 (2013)

Ben D. Wards, Gary F. Margrave, and Michael P. Lamoureux

Search and Discovery.com

... performance of finite-difference operators, reverse-time migration (RTM) produces images which are typically low frequency or require large computational...

2013

A New Model for Pressure Transient Analysis of Fractured Horizontal Wells in Shale Gas Reservoirs With Continuum and Discrete Fracture Networks

Zhiming Chen, X W. Liao, H Zhang, Wei Yu, X D. Shen, Xiaoqing Shang, J L. Zhang, Hongyang Chu, Qingling Liu

Unconventional Resources Technology Conference (URTEC)

... q fD C fD = 0, 2ฯ€ q fwD , and CFD = q fwD + L fsD q fD . yD = yuD (27) (28) (29) Using integral method, Eq. (28) is rewritten as, p fDu โˆ’ p...

2018

Abstract: Inversion Approach to Calculate Instantaneous Frequency; #90174 (2014)

Jiajun Han and Mirko van der Baan

Search and Discovery.com

... equation (2), instantaneous frequency is the derivative of instantaneous phase; in other words, instantaneous phase is the time integral...

2014

Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

.../CWLS GeoConvention 2012, (Vision) May 14-18, 2012, Calgary, AB, Canada The Kirchhoff integral solution to the wave equation was initially presented...

2014

Abstract: Which Curvature is Right for You? Part - 1; #90174 (2014)

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... derivative attributes such as the dip magnitude and the dip-azimuth. Structural curvature provides quantitative measures of quadratic shapes โ€“ domes, ridges...

2014

Seismic Resolution and Analysis of Thin Pay Beds (Paper C12)

M. Sajid, D. P. Ghosh, Z. T. H. Zuhar

Geological Society of Malaysia (GSM)

... be considering being a low cut filter. Derivation of signal has many uses in digital signal processing. First derivative of signal y with respect...

2012

Simulation of seismic waves in the fluid-solid coupled thermoelastic medium

Sen Yang, Guochen Wu, Junzhen Shan, Hongying Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., , ๐‘“ is the source vector, and ๐€ is the propagation matrix composed of physical parameters and spatial derivative operators. Similar to the thermoelastic...

2023

Application of Pressure Derivative in Analysis of Indonesia Reservoirs

N. Htein, D. H. Williams, P. J. Cockcroft

Indonesian Petroleum Association

...Application of Pressure Derivative in Analysis of Indonesia Reservoirs N. Htein, D. H. Williams, P. J. Cockcroft 1986 97 127 This paper describes...

1986

Determination of Paleoheat Flux from Vitrinite Reflectance Data

I. Lerche , R. F. Yarzab , C. G. St. C. Kendall

AAPG Bulletin

... a time-temperature integral that assumes pseudo-first-order kinetics. In testing the numerical algorithm, it was necessary to introduce a "critical...

1984

Enhancing Seismic Discontinuity Attributes with Creative Workflows; #42025 (2017)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

..., one can compute the first derivative in almost any interpretation software package. The derivative does two things โ€“ it multiplies each frequency...

2017

Pressure Transient Analysis in Unconventional Resources

I. D. Paton, G. Stewart, C. Y. Tan, M. Wasik

Indonesian Petroleum Association

... where large drawdowns occur. In gas well testing where the real gas pseudopressure, m(p), is used the base pressure for the integral, pb, is usually...

2012

Multi-Layer Test Analysis for Dissolved Gas Reservoirs

W. Jatmiko, T. S. Daltaban, J. S. Archer

Indonesian Petroleum Association

... pressure2, wellbore storage and skin4. Kucuk et al.,5 used the convolution integral method to determine the individual layer properties and skin factors from...

1996

Abstract: Pump Test Analysis: Application of Petroleum Industry Techniques as a Diagnostic Tool; #90319 (2018)

Aadil Nabi, Georgios Zacharioudakis

Search and Discovery.com

... graph. Derivative analysis is a well-established tool in the petroleum industry. The introduction of derivative analysis to pumping test data has allowed...

2018

Is That Interference? A Workflow for Identifying and Analyzing Communication Through Hydraulic Fractures in a Multi-Well Pad

Ali Awada, Martin Santo, Dylan Lougheed, D. Xu, Claudio Virues

Unconventional Resources Technology Conference (URTEC)

... of the laterals in a multi-well pad completion. Background Several operators in the Western Canadian Sedimentary Basin (WCSB) have directed...

2015

Anomalous Diffusion or Classical Diffusion in an Anomalous Reservoir? Evaluation of the Impact of Multi-Phase Flow on Reservoir Signatures in Unconventional Reservoirs

Christopher Clarkson, Bin Yuan, Zhenzihao Zhang, Farshad Tabasinejad, Hamid Behmanesh, Hamidreza Hamdi, Dave Anderson, John Thompson, Dylan Lougheed

Unconventional Resources Technology Conference (URTEC)

... included rate-normalized pressure (RNP) and its derivative (๐‘…๐‘๐‘ƒโ€ฒ๐‘… ), the integral of ratenormalized pressure (IRNP) and its derivative...

2019

State of the Art in Characterization of Frac Stage Geometry, Skin and Conductivity Using Pressure Leakoff

Mohamed Mohamed, Mazher Ibrahim, Erdal Ozkan

Unconventional Resources Technology Conference (URTEC)

... a meaningful pressure derivative; thus, in these cases, the post-pad falloff data will have to be used to yield the fracture half-length and not the fracture...

2020

Mathematical Derivation of the Unique Frequency Curve

G. R. Brotherhood, J. C. Griffiths

Journal of Sedimentary Research (SEPM)

.... Krumbein (ibid. p. 67) describes the cumulative curve as the integral of its corresponding frequency curve and consequently the frequency curve...

1947

Calibration of Seismic Fracture Model Using Dynamic Data and Borehole Images: An Example of Fractured Carbonate Reservoir, #41861 (2016).

Victor Ivanov,

Search and Discovery.com

... thickness) value and derivative signature. Fractures are expected if ratio of โ€œwell test khโ€ to โ€œlog derived khโ€ is high. ๏€ญ Production Performance...

2016

Field Measurement of the Formation Stress Depletion and the Pore Pressure Depletion in the Eagle Ford

Shintaro Kuroda, Hayate Ohtani

Unconventional Resources Technology Conference (URTEC)

... operators regarding well spacing, fracture design optimization and reserves evaluation. Additionally, this study can be applied to climate change...

2022

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