Computed Tomography Study of Annular Cement Mechanical Response Under Cyclic Hydraulic Stress

Alexander Anya, Hossein Emadi, Marshall Watson

Unconventional Resources Technology Conference (URTEC)

... injection tests resulted in a sinusoidal pattern of Damage Index decrease and increase for high and low-pressure injection pressure respectively...

Sedimentological characterisation of sea bottom samples collected offshore Muara and Tutong, Brunei Darussalam

Norhanizan Zaini, Antonino Briguglio, Sulia Goeting, Amajida Roslim, László Kocsis

Geological Society of Malaysia (GSM)

...% at M40 and then increases again to over 70% at M60. From Figure 5, suborder Rotaliina and pieces of Table 2: Results from the sinusoidal functions...

The General Characteristics of Moonpools of Uniform and Non-Uniform Cross-Sections

D. P. K. Fung

Southeast Asia Petroleum Exploration Society (SEAPEX)

... in Fig. 3 is to substitute the equation of motion Eq. (1). The piston is driven by a d.c. motor to perform a sinusoidal oscillation z = r sin(ωt). The air...

ML-based facies classification on acoustic image logs from Brazilian presalt region

Nan You, Yunyue Elita Li, Arthur Cheng

International Meeting for Applied Geoscience and Energy (IMAGE)

...). Theoretically, a planar surface that intersects a cylindrical wellbore manifests itself as a sinusoidal curve in the unrolled borehole image. Based...

Modeling Complex Reservoirs with Multiple Conditional Techniques: A Practical Approach to Reservoir Characterization

H. Beucher-Darricau, B. Doligez, J. M. Yarus

AAPG Special Volumes

... of the geological bodies (for instance, sinusoidal shapes for channels). All the shapes can be imaged; however, computation time increases rapidly...

Characteristics of Filled Joint under Shear Loading

Mohd For Mohd Amin, Ong Heng Yau, Chan Sook Huei, Rini Asnida Abdullah

Geological Society of Malaysia (GSM)

... roughness). The rough joint exhibits sinusoidal-shaped curve, a shape Geological Society of Malaysia, Bulletin 54, November 2008 Figure 6: Test...

Characteristics and heterogeneity evaluation of reef-shoal reservoirs in Cambrian margin of the eastern Tarim Basin

Yutong Liu, Xiangxiang He, Bo Yan, Kelly H. Liu, Stephen S. Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

..., primarily develop as near-horizontal and high-angle fractures, often filled with calcite, dolomite, or silica, and exhibit sinusoidal and cosine features...

Basement Fractured Reservoir Characterization Using Seismic Attributes and Borehole Image in GiantŽ Area, Jambi Sub-Basin, South Sumatra Basin

Faris Mohamad Noor, C. Prasetyadi, Alexis Badai Samudra, Yosi Hirosiadi

Indonesian Petroleum Association

... will be displayed. A vertical fracture will be displayed straight and fracture dipping between vertical and horizontal will be displayed as sinusoidal wave...

Geologic Model of a Highly Compartmentalized Reservoir: The Devonian Thirtyone Formation, University Block 9 Field

Steve Weiner, Jeff Heyer

West Texas Geological Society

... present in the wells at Block 9 Field, are usually found in conjunction with partly open fractures. Fractures are identified by their sinusoidal pattern...

Solving Shear-Wave Splitting in PS Data Processing of 3D 4C OBN Seismic Survey Offshore Nunukan, Indonesia

Andreas Waluyo, David Tilling, Supriyono, Rio Sebayang, Agus Warmar Rasa

Indonesian Petroleum Association

... limited azimuths (or azimuthal sub-stacks) were generated. When azimuthal anisotropy is present, we should see sinusoidal horizons in the radial...

Earth Model Building in Real-Time with an Automated Machine Learning Framework - A Midland Basin Example

Altay Sansal, Muhlis Unaldi, Edward Tian, Gareth Taylor

Unconventional Resources Technology Conference (URTEC)

... sinusoidal curve, and how it can be overfitted or underfitted given the number of free parameters (degree of polynomials to fit). This simple concept can...

Reservoir Characterization and Fluid Typing Identification of Tight Carbonate Reservoir by Using High-Resolution Electrical Image Logs: A Case Study of Central Sichuan Basin, China

Yu Yu Wu, Qiang Lai, Kai Xuan Li, Ze Yu Wang, Jing Mo, Yue Wang, Feng Pan, Jin Long Wu, Xian Ran Zhao, Huan Su

Unconventional Resources Technology Conference (URTEC)

... sinusoidal curves. Meanwhile, electrical image logs can extract and calculate the low resistivity dark unit, so as to quantitatively characterize...

Tidal Current Control of Sediment Distribution in Northumberland Strait, Maritime Provinces

Kate Kranck

Journal of Sedimentary Research (SEPM)

... in the ebb-and flood-streams which causes them to depart from a regular sinusoidal curve. For instance on tidal flats the flood-stream moves sediment...

Revolutionizing Tight Oil Reservoir Exploration: Integrating 3D Sonic Imaging, Borehole Image, NMR, and Gamma-Ray Spectroscopy Measurements for Precise Pay Zone Discovery

Ziyue Cui, Ge Wu, DaiGuo Yu, Gang Wang, Jinlong Wu, Changwei Qu, Dongdong Cheng, HuaYang Li, Yanyan Chen

Unconventional Resources Technology Conference (URTEC)

... than the adjacent rock, manifesting as bright sinusoidal curves on resistivity imaging logs. Conversely, fractures filled with low-resistivity...

Sequences and Systems Tracts--A Sedimentologic View: Chapter 4

Wolfgang Schlager

AAPG Special Volumes

....) (a) Synthetic stratigraphy generated by sinusoidal variations in sediment supply. (b) Synthetic stratigraphy generated by sinusoidal fluctuations...

Examining Hydrated Minerals Using Optically Stimulated X-Ray Diffraction, an Inexpensive Modification of Traditional Diffractometers: RESEARCH METHODS PAPERS

Javier Garcia-Guinea , Rafael Abella , Sergio Sanchez-Moral , Raul Benito , Daniel Martin-Ramos

Journal of Sedimentary Research (SEPM)

... temperature increases in sinusoidal shape, suggesting steps during the dehydration processes. COVA, P., AND FANTINI, F., 1998, On the effect of power...

The Signal and the Noise: Forward Modeling of Allocyclic and Autocyclic Processes Influencing Peritidal Carbonate Stacking Patterns

Peter M. Burgess

Journal of Sedimentary Research (SEPM)

... to decreasing bottom contact, and then decreases with depth in response to decreasing wave orbital motion. Increasing fetch distance increases erosion...

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

... receiver locations, where the radial sinusoidal effect is clearly evident, revealed a noticeable rotation in the principal axis of polarization below...

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

... receiver locations, where the radial sinusoidal effect is clearly evident, revealed a noticeable rotation in the principal axis of polarization below...

Oil Shales: Their Shear Story, by Jyoti Behura, Michael L. Batzle, Ronny Hofmann and John Dorgan, #40379 (2009).

Search and Discovery.com

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

... identification difficult due to the lack of clear sinusoidal signatures in the log view. A true-dip plane-based dip picking algorithm has been developed...

Measuring Seismic with Light

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... is a function of the intensity and duration of the exposure. The grating will typically have a sinusoidal refractive index variation. The reflected...

Pseudo S-wave splitting effects associated with poor receiver coupling on ocean bottom multi component data

Moacyr de Souza Bezerra, James Simmons, James Gaiser

International Meeting for Applied Geoscience and Energy (IMAGE)

...ely the sinusoidal like aspect of radial component events and amplitude nulls on the transverse component are present on the field data. Figure 2 sh...

Utilizing Variably Integrated Spectral Frequency to Extract Entire Fluvial Systems

Pongthep Thongsang, Mirza Naseer Ahmad

Indonesian Petroleum Association

... is relevant to strong amplitude of both positive and negative signs whereas side lobes of sinusoidal signal are determined as background noise. Moreover...

A Reevaluation of Jurassic Eustasy in the Light of New Data and the Revised Exxon Curve

A. Hallam

Special Publications of SEPM

... of earlier sea-level curves. A more recent paper (Vail and others, 1984) however, shows a sinusoidal eustatic curve together with the coastal onlap curve...