Effects of Pervasive Hydrothermal Dissolution on the Giant Banyu Urip Field

Adam Zeiza, Fikril Hakiki, Frank Musgrove, Ilsa Kerscher, Irena Maura, Scott Wertanen

Indonesian Petroleum Association

... porosity zones (Figure 6), more detailed review of the dataset indicates that large vugs occur in tight and porous intervals equally. The histogram...

Unlocking the architecture of the colonization window: ichnofabrics from Upper Cretaceous tide-influenced meander-loop deposits

Davinia Díez-Canseco, Luis A. Buatois, M. Gabriela Mángano, Jaime Cuevas-González, M. Isabel Benito

PALAIOS

... control the distribution of the ichnofauna (e.g., D´ez-Canseco et al. 2015). Meanderı loop deposits typically comprise inclined to horizontal lateral...

A scale-independent approach to fracture intensity and average spacing measurement

Orlando J. Ortega, Randall A. Marrett, Stephen E. Laubach

AAPG Bulletin

... simulations: Journal of Structural Geology, v. 14, p. 925937.Rives, T., K. D. Rawnsley, and J.-P. Petit, 1994, Analogue simulation of natural orthogonal...

Reservoirs in Fractured Rock: Geologic Exploration Methods

David W. Stearns, Melvin Friedman

AAPG Special Volumes

.... Conjugate shear fractures form in most rock materials in such a way that the angle between them is about 60°. The term orthogonal will imply only...

Chapter 120: Sand Injectites in Deep-water Clastic Reservoirs: Are They There and Do They Matter?

Andrew Hurst, Mads Huuse, Joe Cartwright, Davide Duranti

AAPG Special Volumes

... a depositional sand; d is inclined sills (wings) typical of large-scale intrusions; e is irregular sand bodies probably unrelated to primary depositional...

Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin

Alvin K. Benson

Williston Basin Symposium

... abruptly, and part of the energy is reflected back to the surface, where it is recorded by geophones. Seismic time sections are graphic...

Understanding the Complexity of Fracturing in the Sichuan Shale Gas Reservoir in China

Yuan Liu, Daniel Kalinin, Deqi Li, Yajun Jiao, Ran Li

Unconventional Resources Technology Conference (URTEC)

... in vertical wells. Micro-seismic monitoring In micro-seismic monitoring, geophones are set in an offset well, vertical or horizontal, and used to monitor...

Extraction and Interpretation of the Complex Seismic Trace

R. E. Sheriff, M. T. Taner, F. Koehler, D. Frye

Indonesian Petroleum Association

... pattern changes, whereas an equally good geophysicist without local experience would be lost at (a) recognizing the changes or (b) providing explanations...

Geophysics: Target Shooting for the Drill

A. Easton Wren

CSPG Special Publications

... the output of the seismic recorders, or geophones, laid out on the surface. Figure 4. Geophysical prospecting methods (Courtesy Seismic Service Supply Ltd...

Strike Line Methodology as an Optimization to Exploring in Fold and Thrust Belts

B. A. Blake, D. Figueroa, A. Otero, R. Manceda, W. Prayitno

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... reflected back to the geophones. Extensive testing has led companies to larger charge sizes, deeper shot holes, longer far-offsets, a tighter group interval...

A "Limited" 3-D Experience in the D-J Basin, Weld County, Colorado

Cliff Clark, Tom Birmingham, Kevin Revels

Rocky Mountain Association of Geologists

.... An equally strict deadline for completion of t h e interpretation required that data acquisition be completed prior to harvesting of the crops in the area...

Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues

Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp

AAPG Bulletin

.... The receivers were 30-Hz, vertical P-wave geophones (Figure 5E), and the seismic source was a 500-kg, accelerated weight drop mounted on a 4 × 4...

Abstract: Deep-Water Turbidites and Their Equally Important Shallower Water Cousins; #90063 (2007)

Search and Discovery.com

Modeling Waves and Circulation in Lake Pontchartrain, Louisiana

Richard P. Signell, Jeffrey H. List

GCAGS Transactions

..., 10.0, 12.5, 15.0, 17.5 and 20.0 m/s, each at 16 directions equally spaced around the compass. An example of predicted Ub for winds of 5 m/s from...

Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

... is not required), it can reconstruct weak diffraction energy accurately, and it can reconstruct regular or irregularly missing traces equally well. To illustrate...

Plate Tectonics in Oil and Gas Exploration of Continental Margins

Thomas L. Thompson

AAPG Bulletin

..., Pervasive orthogonal fracturing in earth's continental crust: Salt Lake City, Utah, Am. Stereo Map Co., Tech. Pub. 2, 121 p. Grayson, J., and R. E. LaPlante...

Anatomy of a late Cenomanian transgressive shelf system: The influence of high-frequency eustasy and crustal flexure on stratigraphy and paleogeography, basal Kaskapau Formation, Western Canada Foreland Basin

A. Guy Plint

CSPG Bulletin

..., R.G., Smith, D.G., Wood, J.M., Visser, J., Calverley-Range, E.A. and Koster, E.H. 1987. Inclined heterolithic stratification - terminology, description...

Structural Restoration of Seismic and Geologic Sections in Extensional Regimes (1)

ALAN G. NUNNS

AAPG Bulletin

... within the present-day section as follows: (1) origin points are equally spaced along a reference horizon that corresponds to an original...

Comparative Tests of Several Methods of Sampling Heavy Mineral Concentrates

George H. Otto

Journal of Sedimentary Research (SEPM)

... from relatively large amounts of material. In this device, the sand is emptied into a long narrow hopper and is divided equally, the material falling...

Imaging the Internal Movements of Galveston Island and Bolivar Peninsula with Ground Penetrating Radar

Aubrey Hepler, Shuhab Khan, John B. Anderson

GCAGS Transactions

..., not all barrier islands are created equally. There are several theories that suggest barrier island growth and migration are a result of emerged...

B

John G. Dennis

AAPG Special Volumes

... are not recommended. False bedding might equally refer to pseudo-bedding; inclined bedding to any initial dip. Cross-bedding, being a genetic term, should include all...

3D Geomechanical Analysis of Refracturing of Horizontal Wells

Dharmendra Kumar, Ahmad Ghassemi

Unconventional Resources Technology Conference (URTEC)

... in the direction orthogonal to the initial preferred fracture propagation direction (i.e., perpendicular to the initial minimum principal stress direction...

Chapter 13: Development Geology in Eolian Reservoirs

L. F. Krystinik

Rocky Mountain Section (SEPM)

... of reservoir uniformity. Equally as often, immediate 40-acre offsets to million-barrel wells may never pay out, due to “local variability”. In fact, many...

Porosity Log Crossplots

John H. Doveton

Special Publications of SEPM

... zones. So, for example, many of the Viola zones could equally be dolomitic limestones, cherty dolomites or cherty, dolomitic limestones. This problem...

Pebble Shape (and Size!): DISCUSSION

Douglas I. Benn, Colin K. Ballantyne

Journal of Sedimentary Research (SEPM)

... dimensions of the three orthogonal axes, long (a), intermediate (b) and short (c). Following Sneed and Folk (1958), he observed that clast shape is best...