ABSTRACT: Discrimination of Maceral Composition in Crushed Coals by Fourier Grain Shape Analysis and Digitized Grain Outline Analysis

Arthur D. Cohen, Robert Ehrlich, John B. Ferm, Christopher Prince

The Society for Organic Petrology (TSOP)

... procedures to precisely define the shapes of these crushed coal particles (within different size ranges) and (2) employ coal petrographic procedures...

Bayesian Probabilistic Analysis to Quantify Uncertainties in Hydraulic Fracture Geometry - Application to Laminations and their Impact on Fracture Height

Mohit Paryani, Ahmed Ouenes

Unconventional Resources Technology Conference (URTEC)

.... Solving the nonlinear partial-differential diffusivity equations using boundary and initial conditions results in obtaining these optimum fracture...

Kelamayi Field--People's Republic of China Zhungeer Basin, Xinjiang Province

Zhai Guang-Ming, Zhao Wen-Zhi

AAPG Special Volumes

... the overlapping unconformity interfaces between different geologic systems. The party considered that the Zhungeer basin was deep and steeply dipping...

A Comparison of Nanometer-Scale Growth and Dissolution Features on Natural and Synthetic Dolomite Crystals: Implications for the Origin of Dolomite

Stephen E. Kaczmarek, Duncan F. Sibley

Journal of Sedimentary Research (SEPM)

... in formation conditions, natural and synthetic dolomites form by the same growth mechanisms. Furthermore, the two different surface nanotopographies...

Elastic Wavefield Seismic Stratigraphy, by Bob A. Hardage and I.J. Aluka, #40184 (2006).

Search and Discovery.com

An integrated sequence stratigraphic–geochemical investigation of the Jurassic source rocks in the North Yellow Sea Basin, eastern China

Hongfei Lai, Meijun Li, Xiaoling Jian, Liaoliang Wang, Jinping Liu, Gaiyun Wang, Peng Liu, and Jinhui Dai

AAPG Bulletin

...), for the mudstone samples (Table 3) and the maceral compositions of the kerogen samples (Table 2) were used to classify the kerogen types in the different...

Relationship between mineralogy and porosity in seals relevant to geologic CO2 sequestration

Alexander M. Swift, Lawrence M. Anovitz, Julia M. Sheets, David R. Cole, Susan A. Welch, and Gernot Rother

Environmental Geosciences (DEG)

... porosimetry. Results are presented that detail variations between lithologic types in total and connected nano- to microporosity across more than five orders...

Opportunities for Incorporating Deep-Time Insight About Landscape Dynamics into Engineering and Decision-Making Models

Search and Discovery.com

Late Cretaceous Paleogeography Near Wheeler Gorge, Ventura County, California

B. R. Rust

AAPG Bulletin

... of mylonite and anorthosite clasts in the conglomerate is consistent with an easterly source, for they are very similar to distinctive rock types of the San...

Possible Geologic Influence on Salt Falls Associated with the Storage Caverns at Bryan Mound, Brazoria County, Texas

Karl M. Looff and Kurt M. Looff

GCAGS Transactions

... for evidence of differential salt (spine) movement. The possible boundary zones between areas of differential movements were projected into the salt...

Seismic Stratigraphy Interpretation Using Sequence Stratigraphy: Part 1: Seismic Stratigraphy Interpretation Procedure

P. R. Vail

AAPG Special Volumes

... to the first five steps, the following sections will discuss them in further detail. SEISMIC REFLECTIONS AND GEOLOGIC TIME LINES Three types of relations...

Study of Productive Sediments of the Neocomian of East Urengoy Field

A. N. Zolotov, A. G. Lur’ye, D. I. Rudniikaya, F. K. Salmanov

Petroleum Geology: A Digest of Russian Literature

... of West Siberia, and particularly that of Urengoy, is characterized by clinoforms typical of deposition under conditions of uncompensated downwarping...

Subglacial tills: a process model based on microsedimentological clues

John Menzies, Roger C. Paulen, Jürgen M. Reitner, Cunhai Gao, Tyler Hodder, Martin Ross

Journal of Sedimentary Research (SEPM)

..., igneous, and sedimentary rock types with high and low clay contents under varying subglacial conditions. The glacial deposits, from these case examples...

Seismic Model for Monitoring CO2 Sequestration, by Bob Hardage and Diana Sava, #40423 (2009).

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ABSTRACT Organic Geochemical Response to the Sequence Boundary Developed During the Depression Stage of the Big Songliao Lacustrine Basin and Its Paleo-environmental Significance: Evidence from Well SK1 of the Continental Scientific Drilling, #90104 (2010)

Feng Zihui

Search and Discovery.com

... to different orders of sequencel boundary and also to the inner composition of different orders  of sequential stratigraphy. It can be treated...

SaltCrawler: AI solution for accelerating velocity model building

Engin Alkan, Yihua Cai, Pandu Devarakota, Apurva Gala, John Kimbro, Dean Knott, Gislain Madiba, Jeff Moore

International Meeting for Applied Geoscience and Energy (IMAGE)

... In conventional salt model building, the interfaces of salt geometry are picked, interpreted, edited, and systematically rendered into initial background...

Failure modes of shales and their implications for natural and man-made fracture assemblages

Atilla Aydin

AAPG Bulletin

... shales and mudstone exposed at the surface as well as in cores recovered from various depths is considered. Also described are different types...

Contrasting Styles of Lithospheric Extension: Implications for Differences Between the Basin and Range Province and Rifted Continental Margins: Chapter 5: Concepts

Jean Braun, Christopher Beaumont

AAPG Special Volumes

... the current temperature. Thermal parameters are listed in Table 1. Boundary conditions are constant surface temperature (0°C), constant b sal heat flux...

A Carbonate Dilaform, Brooking Springs, Canning Basin, WA

Brian W. Logan, David J. Frances, Maritsa Economo

Petroleum Exploration Society of Australia (PESA)

... tongue also contains features that probably are dependent on boundary conditions for their genesis. These intrinsic features include lensoid dykes...

ABSTRACT: Depositional and Diagenetic Factors Affecting the Development of Bed-Parallel, Burial-Related Structures in Oligo-Miocene Ramp Carbonates (Maiella Mountain, Central Italy), by Rustichelli, Andrea; Tondi, Emanuele; Agosta, Fabrizio; Giorgioni, Maurizio; Invernizzi, Chiara; #90135 (2011)

Search and Discovery.com

Integrating Elemental Concentration Logs and Electrical Images Logs to Map Sedimentary Facies Distribution for Black Shale: A Case Study from WuFeng-LongMaxi Shale in SiChuan Basin, China

Xing Liang, Gao-Cheng Wang, Feng Pan, Yun Rui, Yue Wang, Lei Zhang, Jue Mei, Kai-Xuan Li, Hai-Peng Zhao

Unconventional Resources Technology Conference (URTEC)

... and the reservoir rock. Sedimentary facies distribution of the black shale is important for determining the basic geological conditions of shale gas...

Chapter 2: Basics of Reflection Seismology that Relate to Seismic Stratigraphy

Tom Wittick

North Texas Geological Society

... is a quantitative measurement of hardness, stiffness, etc. of a rock. Figure 2-1 shows a plot of acoustic impedances for various rock types. Note that the harder...

Basics of Reflection Seismic Technology

Abilene Geological Society

.... Figure 2-1 shows a plot of acoustic impedances for various rock types. Note that the harder, stiffer rocks have higher acoustic impedances. Figure 1...

A Detailed Surface Section of the Tensleep Formation at Fremont Canyon - From Erg (Reservoir) To Sabkha (Impermeable Barrier)

Al Allen

Wyoming Geological Association

... at possibly water-saturated interfaces. These facies are illustrated in Figures 1–4. The tight facies can easily prevent lateral migration for oil traps...

The Use of Ground-Penetrating Radar for Characterizing Sediments Under Transient Flow Conditions

Michael B. Kowalsky, Yoram Rubin, Peter Dietrich

Special Publications of SEPM

... the electrical conductivity of variably thoroughly reviews methods for modeling the effective dielectric constant for different types of heterogeneous...