An Efficient Workflow for Geological Characterization in Unconventional Reservoirs from a New Through-the-Bit Logging Electrical Micro-Imaging Tool, #42334 (2018).

Shiduo Yang, Patrick McBride, Josselin Kherroubi, Alexis He, Isabelle Le Nir, Daniel Quesada, Redha Hasan AI Lawatia, Andy Wray,

Search and Discovery.com

... The drilling polarity is easily computed based on the angle between the well trajectory and the pole of formation dip (Figure 4a). When this angle...

Internal architectural analysis of mass transport deposits to unravel deepwater dispersal fairways; a novel approach to an old challenge

Roland Dashti, Benjamin Birt, Masoud Jangani

Petroleum Exploration Society of Australia (PESA)

... of scarcity of well data and lack of high angle cross beds as conclusive paleocurrent direction indicators. In this study we analysed the internal architecture...

Advanced characterization of high-angle reflections and analysis of fracture connectivity in metamorphic buried hill reservoirs

Haojie Liu, Zhimeng Gu, He Xu, Yi Han

International Meeting for Applied Geoscience and Energy (IMAGE)

... and analyzing fracture connectivity. Method The dip angle, extension length, and orientation of highangle reflections can, to a certain extent, be used...

Problem of Secondary Tilt--Harker's Solution Corrected

Edmund M. Spieker

AAPG Bulletin

.... Draw AD^prime and turn off the angle AD^primeC^prime equal to the amount of rotation (dip of the upper beds). Draw OC^prime, which, according to Harker...

Stratigraphic Applications of Dipmeter Date in Mid-Continent

R. L. Campbell, Jr.

AAPG Bulletin

... stratigraphic problems, new dipmeter techniques recently have been developed which feature short-correlation-interval dip computations and a statistical approach...

II. Migration to Remedy Geometric Distortions

Robert E. Sheriff

AAPG Special Volumes

... to the seismic line, are not available. Where we do know the cross dip (which is usually only at line intersections unless we did three-dimensional recording...

Low-Angle Regional Unconformities: ABSTRACT

Peter Sonnenfeld

AAPG Bulletin

...Low-Angle Regional Unconformities: ABSTRACT Peter Sonnenfeld 1966 635 635 50 3. (March) Brief periods of erosion without concurrent structural...

Implications of Cell Dimensions on Dipping Bed Continuity in Flat-Layered Geomodels

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Salt-Ridge Hypothesis on Origin of Texas Gulf Coast Type of Faulting

Miller Quarles, Jr.

AAPG Bulletin

.... FOOTNOTE 4. The term "medium- to low-angle" is used in this paper to mean a dip of about 45°--not less than 35° or more than 55°. End_Page 490...

Building Better Models: Toward Complete Integration of Well-Log Data Interpretation with 3D Reservoir Models, #40919 (2012)

Valery Polyakov, Dzevat Omeragic, R. Kocian, Sushil Shetty, Benoit Brot, Tarek Habashy, Arathi Mahesh, Torsten Friedel, Torbjoern Vik, Tor Livar Flugsrud

Search and Discovery.com

... demonstrate model refinement in a 2D cross-section by changing the dip and properties laterally to match the resistivity tool responses, and constructing...

Use of Apparent Dip in Measuring Thickness: GEOLOGICAL NOTES

William F. Tanner

AAPG Bulletin

... B. McLaughlin, of the University of Michigan, has pointed out that when the angle "s" is very small, an error in the dip bearing is also very small...

Atlantic Margin, Stratigraphic Play: An Integrated CSEM-Seismic Approach to De-Risk Fluids?; #10937 (2017)

Dmitry Modin, Gautier Baudot, Andre-Ramiro Peirin, Eric Zagotto

Search and Discovery.com

...Atlantic Margin, Stratigraphic Play: An Integrated CSEM-Seismic Approach to De-Risk Fluids?; #10937 (2017) Dmitry Modin, Gautier Baudot, Andre-Ramiro...

Tilt and Drainage Ratio in Sedimentary Basins

A. P. Radlinski, S. J. Cadman

AAPG Bulletin

... of the trap before and after tilt by a small angle ^THgr. The cross section through the untilted cap is represented by the arc AB, the dome height is h...

Stratification Styles in Eolian Sandstones: Some Pennsylvanian to Jurassic Examples from the Western Interior U.S.A.

Ralph E. Hunter

Special Publications of SEPM

... I Few sets of cross strata in are without basal parts in which strata dip less steeply than the angle of ripples these sandstones N C...

How Machine Learning is Helping Seismic Structural Interpreters in The Age of Big Data

Çağil Karakaş, James Kiely

GEO ExPro Magazine

... (in degrees), dip direction (in degrees), dip angle (in degrees) and depth (in meters) properties, respectively, mapped on the extracted fault point sets...

Imbrication and Initial Dip in a Keweenawan Conglomerate Bed

Walter S. White

Journal of Sedimentary Research (SEPM)

... or east and dip northwestward or northward toward Lake Superior. The angle of dip generally lies between 25° and 75°. THE HOUGHTON CONGLOMERATE...

The Use of Borehole Imaging Techniques in the Exploration for Stratigraphic Traps: An Example from the Middle Devonian Gilwood Channels in North-Central Alberta

Roger N. Dueck, Eric F.W. Paauwe

CSPG Bulletin

... wave. The azimuth of the lowest point of the sine wave (or trough) indicates the apparent azimuth of the dipping plane. Its apparent dip angle...

The Use of Borehole Imaging Techniques in the Exploration for Stratigraphic Traps: an Example from the Middle Devonian Gilwood Channels in North-central Alberta

Roger N. Dueck, Eric F. W. Paauwe

CSPG Special Publications

... of the lowest point of the sine wave (or trough) indicates the apparent azimuth of the dipping plane. Its apparent dip angle is the maximum dip read...

Recognition of Faults, Unconformities, and Sequence Boundaries Using Cumulative Dip Plots, by N. F. Hurley; #90986 (1994).

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Use of Dipmeter Data in Clastic Sedimentological Studies (1)

C. HOCKER , K. M. EASTWOOD , J. C. HERWEIJER , and J. T. ADAMS

AAPG Bulletin

... interval correlation enables dip computations on features that do not cross the entire borehole, it is particularly suitable to provide sedimentary dips...

Complex Stress State Evaluation and its Influence in the Hydraulic Fracture Geometry of the Upper Triassic Xujiahe Tight Formation in the Western Sichuan Basin of China

X. Fan , Z. Huang, Z. Liu, J. Zhang, Y. Ji

Unconventional Resources Technology Conference (URTEC)

... of natural fractures on hydraulic fracture propagation. It is concluded that the stress difference between the in-situ stresses and the dip angle of natural...

A mechanical basis of fault-bend folding

N. P. Benesh, and J. H. Shaw

AAPG Bulletin

... with an initial ramp angle of 10° and final dip of 40°. Note the areas of high strain indicating an active folding zone of finite width as well...

Geometry and Kinematics of Single-Layer Detachment Folds

Josep Poblet, Ken McClay

AAPG Bulletin

... are [EQUATION (4)] [EQUATION (5)] ^ggr being the half interlimb angle and ^dgr the angle between the axial plane and the detachment (or the dip of the axial...

Fitting Deterministic Arcuate Map View/Sigmoidal Cross Section Surfaces to IHS Beds in Fluvial Point Bars; #51065 (2015)

Gregory S. Benson

Search and Discovery.com

... in map view (Figure 2). The dip angle of the sigmoidal surface at any location can be determined as the first derivative of the above function...

Core Orientation from Non-Oriented Core: A Tutorial

D. C. Carter

Indonesian Petroleum Association

... circle by an amount corresponding with amount of the rotation. The orientation of a plane is commonly given in terms of its dip angle and azimuth. However...