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The AAPG/Datapages Combined Publications Database

Showing 34,502 Results. Searched 200,616 documents.

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Thermal and Compaction Processes in a Young Rifted Basin Containing Evaporites: Gulf of Lions, France (1)

JEAN BURRUS and FRANCOIS AUDEBERT

AAPG Bulletin

... subsidence and heat flow predictions that agree with observations. The recently accelerated subsidence observed in the deep margin is probably an effect...

1990

Horizontal stress inversion based on azimuthal difference in P-wave reflectivity

Fubin Chen, Zhaoyun Zong, Xingyao Yin

International Meeting for Applied Geoscience and Energy (IMAGE)

... (HTI) subjected to horizontal stress that is usually encountered in the subsurface Earth. Firstly, the Pwave reflectivity equation for HTI media...

2022

Submarine Ramp Facies Model for Delta-Fed, Sand-Rich Turbidite Systems: DISCUSSION

John W. F. Waldron

AAPG Bulletin

... of increases and decreases (designated Uu by Heller and Dickinson, 1985, their Figure 12) is then given by the formula: [EQUATION] where N...

1986

Experimental Deformation of Sedimentary Rocks Under Confining Pressure: Pore Pressure Tests

John Handin , Rex V. Hager, Jr. , Melvin Friedman , James N. Feather

AAPG Bulletin

... compressive stresses as positive. Then [EQUATION] Let the axial pressure be increased or decreased by an amount ^DgrS = S1 - S3, the differential pressure...

1963

Permeability Estimation of a Middle-East Tight Gas Sand With NMR Data

Stacey M. Althaus, Jin-Hong Chen, Jilin Zhang, Fahd Almalki, Mohammad Delshad, Qiushi Sun, Ali Al-Shawaf

Unconventional Resources Technology Conference (URTEC)

... of a Middle East tight gas sand to determine the effect of a variety of different components on the permeability. NMR logs previously have been used...

2017

Time-lapse attenuation variations during CO2 injection using DAS VSP data from the CaMI Field Research Station, Alberta, Canada

Yichuan Wang, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the scaling procedure as in equation 3, the amplitude variation from the original signal u(t) is distorted. To correct this effect, we first normalize...

2022

Optimal transport for elastic source inversion

Tyler Masthay, Björn Engquist

International Meeting for Applied Geoscience and Energy (IMAGE)

... the acoustic wave equation, which is less accurate than the elastic wave equation. In this paper, we extend these results to elastic source inversion in two...

2023

Finite-difference modeling of marine vibrator sources

Khalid Almuteri, Jeffrey Shragge, Paul Sava

International Meeting for Applied Geoscience and Energy (IMAGE)

... phenomena associated with the Doppler effect due to the source motion, and time-dependent source-receiver offsets when receivers are placed on the ocean...

2022

Lognormal Size Distribution of Particulate Matter

Khalid Mahmood

Journal of Sedimentary Research (SEPM)

... accrue when lognormal distribution is applicable. It has been theoretically shown by other workers that processes involving "proportionate effect" yield...

1973

Coring and Sampling in Heavy-Oil Exploration: Difficulties and Proposed Cures: Section IV. Exploration Methods

M. B. Dusseault, J. D. Scott

AAPG Special Volumes

..., The effect of heated foundations on oil sand: M.Sc. Thesis, University of Alberta, Edmonton, 248 p. Sobkowicz, J. C., 1982, The mechanics of gassy sediments...

1987

A Multilog-Evaluation Package Using Linear Programming Techniques to Evaluate Porosity and Lithology in Hydrocarbon Bearing Complex Lithologies

P. J. D. van Ditzhuijzen, D. Masson

Southeast Asia Petroleum Exploration Society (SEAPEX)

... effect is incorporated in one of the response equation error terms. This study did not further investigate the phenonema. A further example is shown...

1984

3.0 General Ramifications of Abnormal Pore Pressures

P. E. Gretener

AAPG Special Volumes

... are simply caused by a combination of both. One may be tempted to ignore the effect of the low matrix stress since its effects are most pronounced at very...

1981

Modeling Oil Generation with Time-Temperature Index Graphs Based on the Arrhenius Equation (1)

JOHN M. HUNT , M. D. LEWAN , and R. J-C. HENNET

AAPG Bulletin

...Modeling Oil Generation with Time-Temperature Index Graphs Based on the Arrhenius Equation (1) JOHN M. HUNT , M. D. LEWAN , and R. J-C. HENNET 1991...

1991

INSIGHTS INTO THE TAXONOMY AND PALEOECOLOGY OF THE BEAD BED' CRINOID (ECHINODERMATA: CRINOIDEA) BASED ON NEW MATERIAL FROM THE LOWER SILURIAN BRASSFIELD FORMATION OF EAST-CENTRAL KENTUCKY

JAMES R. THOMKA, CARLTON E. BRETT

PALAIOS

.... Partially articulated columns are present on both slabs (Fig. 4). CMNH 16392 contains a single specimen arranged into a tight planispiral coil...

2017

Investigation of Adsorption Effects on Nanopores in Shale Gas Reservoir by Simplified Local-Density Model

Yu Pang, M. Y. Soliman, Jie Sheng

Unconventional Resources Technology Conference (URTEC)

..., a new correlation of stress-dependent porosity and permeability including the consideration of adsorption effect can be established. The correlation...

2016

Fluid Mechanics of Deep-Well Disposals

A. F. Van Everdingen

AAPG Special Volumes

...: [EQUATION] Because it is necessary to determine the effect of variations and even interruptions in the rate of fluid disposal, the following unit functions...

1968

Integrated Sand Control Methodology Utilization of Thru Tubing Sand Screen Technology

Aldani Malau, Tejo Sukotrihadiyono, Farid Ghozali, Balok Sutarto L, Benny Heko R

Indonesian Petroleum Association

... sand. While the uniformity coefficient of LN is 1.7, sand screen is suitable. Another advantage is that this method gives lower skin effect compared...

2016

Successful Story of Proving-Up a New Play, An Eocene Carbonate as a Naturally Fractured Reservoir in Offshore North West Java

Icuk Dwi Wibowo, Sobani, Linda Fransiska, Mery Luciawaty

Indonesian Petroleum Association

... no primary porosity and permeability due to high effect of compaction. Five of thirteen penetrating wells experienced total loss circulation (TLC...

2018

Abstract: *Foraminifers as Monitoring Tool for Sea Water Pollution at Al Hariga Harbor in Tobruk, NE Libya; #91202 (2022)

Salah El-Ekhfifi, Esam Abdulsamad, Mohammed El Hassi, Mohamed Masoud, and Ahmed Muftah

Search and Discovery.com

... to scrutinize the effect of pollution on benthic foraminifers, which was carried out on sediment samples collected at water depths ranging from 0.5m to 7m along...

2022

Porosity and Permeability Estimation Using Acoustic Impedance Inversion and Instantaneous Q Method in BarokahŽ Field, Baturaja Formation, South Sumatera Basin

Diva Alfiansyah, Sulistyo Oetomo Putro, Sismanto, Fatkhul Mu'in

Indonesian Petroleum Association

... the porosity estimation in seismic volume. Many scientists generate some permeability estimation equation from seismic data based on the close relationship...

2017

Innovative Global Production Optimization Techniques of Kalimantan Oil Field with Gas Lift Allocation Under Limited Gas Supply Using Equal Slope Method

Winwibisma Putra Anggara, Fatwa Jelang Hari Ramadhan, Suwardi, Anas Puji Santoso

Indonesian Petroleum Association

... rate can be obtained by the incremental of gas injection rate with decreasing ratio. But the excessive gas injection rate would cause a slippage effect...

2019

Improved Data Analysis and Interpretation Method for Laboratory Determination of Crushed-Sample Shale Gas Permeability

F. Civan, D. Devegowda, R. Sigal

Unconventional Resources Technology Conference (URTEC)

.... Neglecting the gravity effect the transport of gas through shale porous formation is given by a Darcy-type equation as: 1 (2) u = − K a ⋅∇p µ Thus...

2013

Hydrocarbon Reserves Estimation from Contour Maps: A Do-It-Yourself Exercise: GEOLOGICAL NOTE

E. C. Dahlberg

CSPG Bulletin

..., the temperature term in the equation is less than one. The pressure effect, which in both gas and oil is the dominant one, increases the gas volume so...

1979

Abstract: Application of Gassmann's Model in Hydrocarbon-Bearing Reservoir Characterisation

Ng Tong San, Leong Lap Sau

Geological Society of Malaysia (GSM)

... CARIGALI SDN BHD KUALA LUMPUR & LEONG LAP SAU UNIVERSITI SAINS MALAYSIA PENANG The effect of gas saturation and resultant decrease in acoustic...

1990

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