A New Parallel Fold Construction Method from Borehole Dip for Structural Delineation; #41969 (2016)

Tetsushi Yamada, Isabelle Le Nir, Eric Moscardi, Arnaud Etchecopar

Search and Discovery.com

... when the data are from the same structure. The dip vector plot (Figure 1d) is also a recommended plot, which is drawn by creating unit vectors of dip...

Calibration of Continuous Wavelet Transform (CWT) Fracture Closure Detection Using Laboratory Hydraulic Fracturing Experiments

Mohamed A. Gabry, Zhi Ye, Amr Ramadan, Ahmad Ghassemi, Mohamed Y. Soliman

Unconventional Resources Technology Conference (URTEC)

.... The results were then compared to conventional techniques, such as the compliance method and the tangent method, for validation. The CWT fracture closure...

Balanced Section in Thrust Belts Part 1: Construction

Declan G. De Paor

AAPG Bulletin

... of tangent diagrams: Geology, no. 8, p. 599-602. Bengston, C. A., 1982, Structural and stratigraphic uses of dip profiles in petroleum exploration...

Criteria for Proper Production Decline Models and Algorithm for Decline Curve Parameter Inference

Peng Zhou, Yuewei Pan, Huiyan Sang, W. John Lee

Unconventional Resources Technology Conference (URTEC)

...he PT curve and MBT curve on the same log-log plot. (2) Draw a line 𝐿 tangent to the end of MBT curve. If the slope of line 𝐿 is very close to...

Horizontal Drilling in the Yowlumne Field

Marc Kamerling, Anthony Marino

Pacific Section of AAPG

.... Ultimate production is expected to reach 107 million barrels of oil. A waterflood was initiated in 1979 in the southern part of the field (Unit...

Laramide Paleogeographic Evolution of the Eastern Powder River Basin, Wyoming and Montana

David Seeland

Wyoming Geological Association

... of the basin. Stream directions are based primarily on vector means of trough-crossbedding dip directions calculated from crossbeds measured...

Arithmetic Means of Circular Data

William H. Wood, Rhoda M. Wood

Journal of Sedimentary Research (SEPM)

... lying on the circumference of the unit circle is defined to be a point z; the algebraic sum of whose deviations on either side of a diameter passing...

Axial Ratios of Plane Sections through Tri-axial Ellipsoids: NOTES

N. H. Gray

Journal of Sedimentary Research (SEPM)

...., London. 381 p. DEHOFF, R. T., AND RHINES, F. N., 1961. Determination of the number of particles per unit volume from measurements made on random plane...

Reduction of Gross Rock Volume Uncertainty in a Salt Flank Structure Using Dipmeter and Image Log Data

Carmen Garcia-Carballido, Aadam Styles, Michael Poppelreiter

AAPG Special Volumes

... interval. The angle between the initial (basal) and last (uppermost) unit vector represents the mean vector azimuth for the complete plotted data set...

Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector

Xuan Ke, Mauricio Sacchi, Ying Shi

International Meeting for Applied Geoscience and Energy (IMAGE)

...stabilized Poynting vector where 𝑖 is the imaginary unit and 𝜔 is the angular frequency. By substituting equations (7) and (8) into equation (3),...

Damage Model for Reservoir with Multisets of Natural Fractures and Its Application in Hydraulic Fracturing Simulation, #41893 (2016).

Xinpu Shen

Search and Discovery.com

...) Direction of a set of natural fractures can be described by a unit vector. This vector has three directional components (l, m, n), and can be directly used...

A Fabric and Petrologic Study of the Pleasantview Sandstone

Gene A. Rusnak

Journal of Sedimentary Research (SEPM)

.... The bedding planes of this unit are marked by abundant, large mica flakes and plant remains. Although poorly displayed because of inadequate exposures...

Interactive channel interpretation using deep learning

Hao Zhang, Peimin Zhu, Zhiying Liao, Zewei Li, Dianyong Ruan

International Meeting for Applied Geoscience and Energy (IMAGE)

... and it is parameterized by s  0,1 . u(s) = p '(s) / p '(s) is a unit vector that is tangent to the direction of the path. Figure 2 shows some examples of GDMs...

Paleocurrent Directions in Late Triassic(?) Kayenta Formation, Capitol Reef National Park, Utah

David R. Friz

Utah Geological Association

... and a vector magnitude (consistency ratio). Results Upper Unit A total of 67 readings were taken from the upper unit. No readings were taken from...

A finite-element method to compute the seismic response in non-isothermal poroelastic media

Juan E. Santos, Gabriela B. Savioli, Jos M. Carcione, Jing Ba

International Meeting for Applied Geoscience and Energy (IMAGE)

... S (u) = us · ν, us · χ, u f · ν In (6)-(7), ν and χ are the unit vector outer normal and unit vector tangent on Γ oriented counterclockwise...

ABSTRACT: Estimation of slope failure based on the support vector machine and decision tree methods

Ashanira Mat Deris, Badariah Solemon

Geological Society of Malaysia (GSM)

...ABSTRACT: Estimation of slope failure based on the support vector machine and decision tree methods Ashanira Mat Deris, Badariah Solemon 33rd NGC...

Marine Current Directions in Upper Precambrian and Cambrian Rocks of the Southwestern United States

David A. Seeland

Four Corners Geological Society

... summation made by assigning a unit length to each crossbed azimuth. Vector strength is 100 percent for crossbed dip directions of a single...

ABSTRACT: GIS Data Models for Geology, by G. H. McColloch, Jr.; #91021 (2010)

Search and Discovery.com

A Pore Scale Analysis of Restricted Diffusion in Shale Gas Media

Ayaz Mehmani, Jinhong Chen, Daniel Georgi, Masa Prodanovic, Carl Edwards

Unconventional Resources Technology Conference (URTEC)

...ated to the opposite side: ⃗⃗⃗⃗⃗⃗⃗⃗⃗⃗ 𝐿𝑜𝑐𝑎𝑙 = ⃗⃗⃗⃗⃗⃗⃗⃗ 𝑙𝑜𝑐𝑎𝑙 − (2𝛥𝑑 + 𝐿)𝑢 𝑟 ??𝑒𝑤 𝑟 𝑜𝑙𝑑 ⃗⃗ (A3) where ⃗⃗ is the unit vector starting from the center of...

A Test of Validity of Quartz Grain Orientation as a Paleocurrent and Paleoenvironmental Indicator

I. P. Martini

Journal of Sedimentary Research (SEPM)

... are encountered in the vast majority of the samples examined, regardless of the direction of cut of the vertical thin sections with respect to the vector...

The Three Elements of Structural Geology, #41849 (2017).

Terry Engelder

Search and Discovery.com

... unit vectors i,j, and k will do (e.g. i = 1, etc). Any vector can then be represented with scalar components f1, f2, and f3 which represent distances...

Some Definitions

Jeffrey S. Hanor

Special Publications of SEPM

... of its 'co-birth' with its host sediment or rock unit. Any fluid that has undergone chemical modification and/or physical migration is no longer...

Automatic Dip-Component Computer for Use with Brunton Compass: GEOLOGICAL NOTE

Richard L. Threet

AAPG Bulletin

... and the desired direction of section. Further, the perpendicular span of a line of unit length across a series of parallel lines is equal to the sine...

Abstract: Identification and Characterization of Paleo-Karsts within Deep-Buried Carbonates in Central Tarim Basin, China: Constraints from Integrated 3-D Seismic Records, by Yu, Jingbo; Li, Zhong; #90163 (2013)

Search and Discovery.com

Fluid Mechanics

Jeffrey S. Hanor

Special Publications of SEPM

... for indicating the direction of movement induced by gravity is by the vector - pgvz. Here, Igl is treated as a scalar multiplier of the unit vector v z...