First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology

Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda

Indonesian Petroleum Association

... a backscatter, and calculating the phase over fiber length are repeated several thousand times per second to obtain a dynamic strain map, hence vibration...

Danish Sector: Insight into Mature and Deeper Plays

Will Bradbury, Steve Drewell, Gulnara Hickman, TGS

GEO ExPro Magazine

...-stack Kirchhoff time migration. A second pass of hi-resolution Radon de-multiple was performed post migration, followed by additional noise attenuation...

Petroleum Plays and Prospectivity in the Kwanza and Benguela Basins of Offshore Angola, #10443 (2012)

Jennifer Greenhalgh, Ron Borsato, Frances Mathew, George Duncan-Jones, Idima Pimenta, Jandira Marques da Silva, Luis Narciso da Silva

Search and Discovery.com

... second record length was acquired in combination with the long-offset streamer configuration to penetrate the syn-rift sediments of the Kwanza, Benguela...

De-risking Appraisal Phase in the Recent Gas Discovery in Banggai-Sula Basin, Central Sulawesi: Application of AVO Analysis and Pre-stack Inversion in the Sub-ophiolite Reef Carbonate Play

Mufied Ahmad, Yudi Herdiana, Tika R. Pertiwi, Hendarsyah, Arie Naskawan

Indonesian Petroleum Association

... identified closure in the northwest. It is a three-way dip closure formed by limestone that was dragged upward by a thrust fault. Interestingly, it has...

Abstract: Multiple Reflections and Head Waves in Gulf of Suez, by S. N. Domenico; #90963 (1978).

Search and Discovery.com

Joint inversion of first-arrivals with full waveform inversion: improving the near-surface model for depth imaging the Marcellus shale of Bradford County, PA

Search and Discovery.com

Abstract: A Generic Procedure for Noise Suppression in Microseismic Data; #90187 (2014)

Yessika Blunda and Kit Chambers

Search and Discovery.com

... a similar moveout to our desired arrival. The second step in our processing flow is designed to attack this correlated noise. This tube wave noise could...

Turning high resolution FWI model into pseudo-reflectivity: A case study using sparse OBN

Bing Bai, Yao Yu, Ruoyu Gu, Shenghong Tai, Denes Vigh

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity also has much improved resolution capturing local changes to rock properties (Figure 2b). The FWI velocity model (Figure Second International...

Abstract: Resolution and Location Uncertainties in Surface Microseismic Monitoring; #90174 (2014)

Michael Thornton

Search and Discovery.com

...? The second context relates to the event localization: How accurate are the positional estimates, especially in the vertical direction? In the case...

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

... but not limited to the iterative-based tomography, normal moveout (NMO), static correction, migration and seismic-well-tie (Yilmaz, 2001). In upstream drilling...

Miocene Deposiiton and Petroleum Geology - Northern Gulf of Mexico - Workshop Summary

Richard Fillon, Paul Lawless

PTTC

... discoveries on the shelf had slowed, while deep-water discoveries began to take off. Seismic advancements during the past two decades include dip...

Analysis of Scale Exaggeration on Seismic Profiles (1)

DONALD S. STONE

AAPG Bulletin

... for illustrating interpreted structural geometry and style. In areas of steep dip and complex geologic structure, however, these profiles often yield...

A Comparison of Prestack Depth and Prestack Time Imaging of the Paktoa Complex, Canadian Beaufort MacKenzie Basin

G. R. Elsley, H. Tieman

AAPG Special Volumes

... the Paktoa prospect was mapped was that of a three-way-dip-closed structure flanking a shale diapir. This interpretation was influenced by the fact...

High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration

Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen

AAPG Bulletin

..., but the one-way approximation for the two-way wave equations makes them unable to accurately image steeply dipping structures. In contrast, RTM...

Seismic Structure and Stratigraphy of Northern Edge of Bahaman-Cuban Collision Zone

M. M. Ball , R. G. Martin , W. D. Bock , R. E. Sylwester , R. M. Bowles , D. Taylor , E. L. Coward , J. E. Dodd , L. Gilbert

AAPG Bulletin

... to within a few hundred meters of the sea floor. They show some indication of internal stratification in their upper few tenths of a second, although...

Monitoring Sea-floor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico

Erika Geresi, Ross Chapman, Tom McGee, Bob Woolsey

AAPG Special Volumes

... digitized at faster rates (400080,000 samples per second) to improve resolution and coherence for subsequent data processing (Cooper and Hart, 1998...

High Fidelity Microseismic Data Acquisition in the Midland Basin Wolfcamp Shale Play West Texas, USA

Robert A. Hull, Robert Meek, Brian Wright, Hallie Meighan, Austin Von der Hoya, Jake Lempges

Unconventional Resources Technology Conference (URTEC)

... growth, and magnitude changes developing in the second well that we believe are related to potential stress changes. For most of our datasets, we have...

Correlation of Reflection Seismograph Records in California

Henry Salvatori

AAPG Bulletin

... of a method for determining the dip of a reflecting surface is presented and the manner in which this method may be utilized to aid in the correlation...

Conventional Velocity Model Seems to Be the Best!

Hijreen Binti Ismail, M. Izham Kassim, Khairul Hamidi Khalid, Safitri Nurida, Wahyudin Bahri Nasifi, Hendra Iriansyah Darmawan, Rizki Krishna Pratama, M. Anuar Ismail, Noor Azmah Abdullah, Indah Edria Amorita

Indonesian Petroleum Association

... reservoirs. The 3D method utilized a 3D grid as a platform to incorporate all two-way-time (TWT) surfaces, well and dip-moveout DMO velocities...

G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

... well which is to be recovered in some approximation from seismic data produced by this model. Moveout corrected data is shown in the Figure which...

High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011)

Sunjay Sunjay

Search and Discovery.com

... computing, not only to draw image. The floating-point operation performances reach trillion per second, namely correspond to ten times faster than...

DAS noise attenuation using wavelet stack

Zhou Yu, Zhaojun Liu, Ge Zhan, Peng Cheng, Bin Wang, Weihong Fei

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Normal moveout (NMO) is used to increase the dip differences between reflections and other unwanted energy (Yu et. al., 2017). 1D wavelet transform...

Cupiagua Field, Colombia: Interpretation Case History of a Large, Complex Thrust Belt Gas Condensate Field

William W. Rathke, Mario G. Coral

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... refraction and residual statics, multiple velocity analyses, dip moveout, 3D random noise attenuation, and a single pass 3D Extended Stolt migration...

Seismic Imaging at Conger: Lessons Learned in Gulf of Mexico Subsalt Imaging

Thomas C. Bergeon, Brad A. Robison

GCAGS Transactions

... basin. A second sediment pulse associated with increased accommodation space due to salt withdrawal occurred at the CM level. The reservoirs could...

4D image velocity scan to improve the 4D quantitative interpretation

Mohamed Hatab, Colin MacBeth

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In a ray-based tomographic inversion in the preSDM image domain (Stork 1992), we perform an iterative preSDM model update, estimating residual moveout (RMO...