Large Language Model Powered Well Productivity

Sohrat Baki, Serkan Dursun

Unconventional Resources Technology Conference (URTEC)

... wet by acting as an emulsion preventer and reduce the surface tension (Montgomery, C. 2013). For production enhancement, surfactants play an important...

Note on the discovery of Carboniferous amber associated with the seed fern Linopteris obliqua, Sydney Coalfield, Nova Scotia, Canada

Maria Mastalerz, Erwin L. Zodrow

Atlantic Geology

... in reflectance mode at a resolution of 4 cm-1 and 400 scans were collected per analysis. The IR signal was recorded in the region of 400 to 4000 cm-1...

Defining Boundaries and Structures of Broadlands Geothermal Field, New Zealand, by Geophysical Methods--Case History

G. F. Risk

AAPG Special Volumes

... gravity anomalies. End_Page 330------------------------ region to that outlined by the resitivity boundary. The temperature enhancement is caused...

Structural Trap Modification Associated with Foreland Lithospheric Flexure; #40780 (2011)

Laurent Langhi, N. Bozkurt Ciftci, and David Dewhurst

Search and Discovery.com

... of such structures on the top seal is difficult to ascertain from seismic data due to signal degradation and varies locally following the heterogeneous...

Identifying a Bypassed Reservoir in Limestone AŽ Sequence with Magnetic Resonance While Drilling, #41843 (2016).

Oscar Morales, Fabricio Sierra, Nidal Hazboun, Guillermo Saucedo, Vikas Jain, Nate Bachman, Kais Gzara

Search and Discovery.com

... centralization. From the initial pre job planning the calculated standard ROP was 60 ft/h, however for an improved quality signal it was reduced to a controlled...

AAPG GEO 2010 Middle East, Geoscience Conference & Exhibition, Innovative Geoscience Solutions – Meeting Hydrocarbon Demand in Changing Times, March 7-10, 2010 – Manama, Bahrain, #90105 (2010)

Search and Discovery.com

Spectral hydrology: Resolution and uncertainty in multifrequency oscillatory hydraulic tomography

Jeremy R. Patterson, Michael Cardiff

International Meeting for Applied Geoscience and Energy (IMAGE)

... at a prescribed frequency. The recorded signal is represented by an arriving pressure sinusoid with amplitude and phase delay that can be described...

Broadband Seismic Technology and Beyond: Part II: Exorcizing Seismic Ghosts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... depth with amplitude spectra from Vaage et al. (2005). The noisy low-frequency part of the geophone signal (53) is recalculated from the recorded...

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... to attenuate during seismic acquisition. Therefore, advanced seismic processing technologies are critical for reducing the noise, increasing the signal...

On-site XRF Analysis of Drill Cuttings in the Williston Basin

Nicholas Lentz, Russell Carr, Lance Yarbrough, Kathleen Neset, Brian Lucero, Tim Kirst

Unconventional Resources Technology Conference (URTEC)

... a fast signal acquisition time ranging from seconds to a few minutes. Currently, there are two types of XRF systems available: wavelength dispersive...

A novel approach to estimating pressure depletion from 4D seismic softening signals along oil-water contact: A practical GoM application

Chen Bao, Luis Colmenares

International Meeting for Applied Geoscience and Energy (IMAGE)

... oil-water contact (OWC) signals. Methods 1., the softening signal stemming off a bright 3D amplitude area, representing an unproduced part...

Research on buried hill fracture prediction based on sweet spot attributes of gradient structure tensor in dominant frequency band

Min Gong, Bo Wang, Lin Wang, Rui Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... research. Firstly, dominant band filtering and structural-guided filtering are used to improve the signal-to-noise ratio of seismic data and enhance...

Self-parametrizing seismic data processing modules: An example on coherent noise suppression

Simone Re, Ran Bachrach, Massimo Clementi, Collin Wilson

International Meeting for Applied Geoscience and Energy (IMAGE)

..., these undesired signals completely shadow the waves reflected by the deeper horizons that represent the useful signal used for generating the subsurface...

Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014)

Roohollah Askari and Robert J. Ferguson

Search and Discovery.com

... is highly dispersive, and a signal has a wide band of frequencies, there is a high uncertainty in the estimated amplitude and phase spectra at high...

Abstract: Cost Efficient Acquisition to Reduce Coarse Land 3D Line Spacings Through Beyond Nyquist Interpolation and Wavefield Reconstruction for Signal and Noise; #90187 (2014)

Bill Goodway

Search and Discovery.com

... for Signal and Noise; #90187 (2014) Bill Goodway AAPG Search and Discovery Article #90187 © CSPG/CSEG/CWLS GeoConvention 2013, Integration: Geoscience...

Monitoring Hydraulic Fracture Flowback in the Permian Basin Using Surface-Based, Controlled-Source Electromagnetics

Drew Jones, Chester Pieprzica, Oscar Vasquez, Justin Oberle, Peter Morton, Santiago Treviño III, Mark Hickey

Unconventional Resources Technology Conference (URTEC)

... neighboring wells. The transmitted signal was a broadband pseudo-random binary sequence. To record the frac fluid response signal, we placed an array...

FOSSILIZATION MODEL FOR SQUAMASTROBUS TIGRENSIS FOLIAGE IN A VOLCANIC-ASH DEPOSIT: IMPLICATIONS FOR PRESERVATION AND TAPHONOMY (PODOCARPACEAE, LOWER CRETACEOUS, ARGENTINA)

MAITEN A. LAFUENTE DIAZ, JOSÉ A. D'ANGELO, GEORGINA M. DEL FUEYO, ERWIN L. ZODROW

PALAIOS

... information was refined and improved on digitized spectra using well-known techniques for signal processing (e.g., Sobkowiak and Painter 1992; D’Angelo...

Got noisy impedance? Try this

Jingfeng Zhang, Reetam Biswas, Dhananjay Kumar, Matt Walker, Pedro Paramo, Kevin Wolf, Anar Yusifov, Sophia Gerth, Jeffrey Winterbourne, Qiang Liu, Xingchao Liu, York Zheng, Ryan Warnick

International Meeting for Applied Geoscience and Energy (IMAGE)

... angles, typical seismic signal has a narrower bandwidth, even after spectrum balancing. Third, although the sample-by-sample based least squares...

Aiding self-supervised coherent noise suppression by the introduction of signal segmentation using blind-spot networks

Sixiu Liu, Claire Birnie, Tariq Alkhalifah, Andrey Bakulin

International Meeting for Applied Geoscience and Energy (IMAGE)

...Aiding self-supervised coherent noise suppression by the introduction of signal segmentation using blind-spot networks Sixiu Liu, Claire Birnie...

Viability of long-short term memory neural networks for seismic refraction first break detection … a preliminary study

Tasman Gillfeather-Clark, Eun-Jung Holden, Daniel Wedge, Tom Horrocks, Carlie Byrne, Matthew Lawrence

Petroleum Exploration Society of Australia (PESA)

... signal to noise is high. Broadly the approaches of seismic first break detection can be partitioned into algorithmic and machine oriented. I use...

A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition

Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... sectors. The separation of downgoing and upgoing wavefields is an important step in VSP signal processing (Gao et al., 2014). The recorded VSP...

Abstract: Importance of Pre-Frack Site Surveys and Broadband Seismometers to Microseismic Monitoring; #90174 (2014)

N. Ackerley and N. Spriggs

Search and Discovery.com

..., and are more susceptible to cultural and other sources of surface noise. The problem of detectability of small events can be addressed in terms of signal...

Wireline Geochemical Log Analysis of Thin Bed Reservoirs: Gulf of Mexico

R. V. Everett, J. E. Mc Donald, M. M. Herron

New Orleans Geological Society

... measurement such as the dipmeter (can be affected by invasion effects) or using a Laminated Sand Analysis (LSA) technique where the induction signal...

Reconstructing the paleoecology of Taung, South Africa from low magnification of dental microwear features in fossil primates

Frank L'Engle Williams, James W. Patterson

PALAIOS

... is of particular interest to this study as this species is only found at Taung. Although Pp. antiquus exhibits a microwear signal distinct from those...

Vegetation change in Siberia and the northeast of Russia during the Cenozoic Cooling: A study based on diversity of plant functional types

Svetlana Popova, Torsten Utescher, Dmitry V. Gromyko, Volker Mosbrugger, Elena Herzog, Louis François

PALAIOS

..., interpreted to represent the local signal. RESULTS Diversity Spectra and Vegetation Maps FIGURE 2—Stratigraphic scheme for Western Siberia (modified...