Systematic Variations in Stress State in the Southern San Joaquin Valley: Inferences Based on Well-Bore Data and Contemporary Seismicity

David A. Castillo , Mark D. Zoback

AAPG Bulletin

... for determining the diameter of the borehole in two orthogonal directions. During the logging process, when the tool is pulled uphole, the natural torque...

Applications of a Novel Hybrid Model for Unconventional Reservoirs

Joseph A. Ayoub, Brian Blakey, S Krishnamurthy, R.K.M. Thambynayagam

Unconventional Resources Technology Conference (URTEC)

... simulation results of horizontal wells intersecting multiple orthogonal hydraulic fractures. The new model is then used to show the effect of angle between...

Abstract: Lognormal and Nonparametric Discovery Process Models - Reliable Tools in Petroleum Resource Assessment?, by P. J. Lee; #90987 (1993).

Search and Discovery.com

Resolving Sedimentological Uncertainties Using Magnetostratigraphic Correlation: An Example from the Middle Jurassic of Burgundy, France

Kifaya N. Belkaaloul , Djafar M. Aissaoui , Michel Rebelle , Gerard Sambet

Journal of Sedimentary Research (SEPM)

... and Atmospheric Sciences at the University of Miami (courtesy of D.F. McNeill). To cancel any viscous remanent magnetization, specimens were stored for two...

Fluvial Response to Late Quaternary Climatic Fluctuations, Central Kobuk Valley, Northwestern Alaska

Gail M. Ashley , Thomas D. Hamilton

Journal of Sedimentary Research (SEPM)

... group (#114 and #116, plotted as solid circles in Fig. 5A) is composed of beds with large-scale (sets 20-50 cm thick) trough cross-bedding that indicate...

Stratigraphic and geochemical investigation of kukersites (petroleum source beds) within the Ordovician Red River Formation, Williston Basin

Timothy O. Nesheim

AAPG Bulletin

...). The comparative results demonstrate that the thermal maturity parameters of these two data sets increase in conjuncture with one another: the PI...

Sedimentology and Ichnology of the Lower Cambrian Bradore Formation, Coastal Labrador: Fluvial to Shallow-Marine Transgressive Sequence

Richard N. Hiscott, Noel P. James, S. George Pemberton

CSPG Bulletin

... of the craton. Planar-tabular crossbed sets (up to 1.5 m thick) are commonly oriented at high angles to surrounding troughs (up to 90 degrees...

Chapter 8. U.S.S.R.: Planetary Fracturing: Its Manifestations in the Sections of the Sedimentary Cover and its Role in the Formation of Tectonic Structure and Relief - with Reference to South Turkmenia

V. P. Miroshnichenko

Utah Geological Association

... preparation of rhomboid jointings in inclined strata. Gay, S. Parker, Jr., 1973, PERVASIVE ORTHOGONAL FRACTURING IN EARTH’S CONTINENTAL CRUST: American...

The Structural Development of the Honje High, Bayah High and Adjacent Offshore Areas, West Java, Indonesia

J. T. Keetley, G. T. Cooper, K. C. Hill, Y. Kusumabrata, P. B. O'Sullivan, I. Saefudin

Indonesian Petroleum Association

... and hydrocarbon potential in the Honje-Bayah-East Malingping area, West Java. Discussion Offshore seismic line TQF-106 reveals two sets of N...

2.2 Basement Involved: 2.2.3 Passive Margins: Pre-Middle Cretaceous Geologic History of the Deep Southeastern Gulf of Mexico

R. L. Phair and R. T. Buffler

AAPG Special Volumes

.... The locations of the holes are shown on the map (Figure 1). Two sets of holes were drilled. Shallow basement was the objective of the three western sites...

Data processing workflow for reflections from cement-formation interface in ultrasonic pitch-catch measurement in cased hole

Shaopeng Shi, Hua Wang, Meng Li, Aihua Tao

International Meeting for Applied Geoscience and Energy (IMAGE)

... in a relatively visible TIE in a binary image (Fig. 8b). There are two circles and the inner and outer circles are for A0 and TIE modes, respectively...

Regional Fractures I: A Mechanism for the Formation of Regional Fractures at Depth in Flat-Lying Reservoirs (1)

JOHN C. LORENZ , LAWRENCE W. TEUFEL , and NORMAN R. WARPINSKI

AAPG Bulletin

... as two orthogonal sets, both oriented normal to bedding (Figure 3). Fractures of the older set are generally laterally extensive and parallel...

Mechanisms for Deformation of Sedimentary Strata at Sheep Mountain Anticline, Bighorn Basin, Wyoming

Jeff Hennier, John H. Spang

Wyoming Geological Association

... concentrations of data points suggesting at least two orthogonal sets of fractures (a set defined as a concentration of points within a 60° to 90...

Time-Lapse Imaging of a Hydraulic Stimulation Using 4-D Vertical Seismic Profiles and Fiber Optics in the Midland Basin

Robert Meek, Kevin Woller, Mark George, Robert Hull, Hector Bello, Jed Wagner

Unconventional Resources Technology Conference (URTEC)

... to the two horizontal wells (A-A’) and diminishes when the image (B-B’) is orthogonal to the wells. The wells are drilled orthogonally to the principle...

Natural Fractures: From Core and Outcrop Observations to Subsurface Models

Estibalitz Ukar, Julia F. W. Gale, András Fall, Ramiro G. López, Damian Hryb, René Manceda, Ignacio Brisson, Eider Hernandez-Bilbao, Ralf J. Weger, Denis A. Marchal, Alain Zanella, Peter R. Cobbold

AAPG Special Volumes

... bed-perpendicular, opening-mode fracture sets are oriented east–west (oldest) and north–south (youngest), and two additional sets (northeast–southwest...

Integration of Stratigraphic High Resolution Dipmeter Data into the Development of the Minnelusa "B" Sand Reservoir in Hawk Point Field, Campbell County, Wyoming

Steven D. Jorgensen, Susan W. James

Wyoming Geological Association

... and magnitude can be computed. The SHDT tool has four orthogonal pads with two closely spaced resistivity "buttons" on each pad. Correlations are made...

Formation vs. Completion: Determining the Main Drivers Behind Production From Shale … A Case Study Using Data-Driven Analytics

Shahab D. Mohaghegh

Unconventional Resources Technology Conference (URTEC)

... circles identify our definition of "good", "Average" and "Poor" rock qualities. Figure 5. Each well has membership in all three fuzzy sets. It can...

Chapter Thirteen: 4-D Reservoir Monitoring

Alistair R. Brown

AAPG Special Volumes

... as expanding circles, like rings from a pebble dropped into a pool of still water. On the two time slices to the right, after 13 and 19 months, the steam can...

Gold (Hydrogen) Rush: Risks and Uncertainties in Exploring for Naturally Occurring Hydrogen

Linda Stalker, Asrar Talukder, Julian Strand, Matthew Josh, Mohinudeen Faiz

Australian Petroleum Production & Exploration Association (APPEA) Journal

... of the few detailed sets of seepage observa­ tions from fairy circles – Sao Francisco, Brazil (Prinzhofer et al. 2019; Moretti et al. 2021). The Moretti paper...

Expanding Role of Computer in Geology

E. L. Dillon

AAPG Bulletin

... discriminant analysis using an IBM 1620 computer: Kans. State Geol. Survey Computer Contr. 4, 8 p. Dempsey, J. R., 1966, A generalized two...

Extended Abstract: Quantifying Natural Fracture Spatial Organization in Horizontal Image Logs: Application in Unconventional Reservoirs

John Z. Li, Julia F. W. Gale, Randall A. Marrett, Stephen E. Laubach

Unconventional Resources Technology Conference (URTEC)

.... In the Frontier Formation example, the core data supported the interpretation of fractures in the image log; there are two, partly cemented orthogonal sets...

Internal Kinematics of Salt Diapirs

C. J. Talbot , M. P. A. Jackson

AAPG Bulletin

... another type of interference pattern involving two sets of folds with nonvertical hinges. Older isoclinal asymmetrical minor folds in thin, anhydrite...

Improved geostatistical models of inclined heterolithic strata for McMurray Formation, Alberta, Canada

Mehran M. Hassanpour, Michael J. Pyrcz, Clayton V. Deutsch

AAPG Bulletin

... coordinates and the azimuth angle of its main direction. By changing these two parameters, all the associated IHS sets of the channel line can easily...

Estimating Drilling Direction for Optimum Production in a Fractured Reservoir

Richard C. Nolen-Hoeksema , J. H. Howard

AAPG Bulletin

.... To introduce the method of analysis, focus is given to finding the optimum direction to drill a horizontal well through two intersecting sets of vertical...

Statistical Approach to Interpreting Clear Fork Zones for Perforation in Old Wells, Sharon Ridge Field, Texas, #20395 (2017).

Richard Erdlac, Jr.

Search and Discovery.com

... the % corresponding to the number of times a % clean-% porous data pair occurs. These two data sets display a strong concordant overlay, suggesting...