Real-Time Drilling Optimisation „ Driving Drilling Excellence

Abhijit Barhate, Piyush Patel, Egil Abrahamsen

Australian Petroleum Production & Exploration Association (APPEA) Journal

... performance •Proactive drilling decisions Outcome Fig. 1. Value offering by RTDO solution. loads and surface torques as a function of the bit depth...

ABSTRACT: Prestack 3-D TAU migration and Velocity Analysis : Focusing 3-D data from offshore Abu Dhabi; #90051 (2006)

Tariq Alkhalifah, Saif Alsharif, Kamel Belaid

Search and Discovery.com

... and all processes prior in the TAU instead of the depth domain to estimate the interval velocity model for this 3-D data set. The process is based...

Rock Physics Diagnostics as a Prerequisite for Optimal Petrophysics

Akash Mathur, Hilfan Khairy

Indonesian Petroleum Association

..., etc.). These relationships could be broadly classified as empirical or theoretical. This porosity-velocity relation may or may not be linear (at least...

Estimating Stimulation-Zone Anisotropy Effects During Microseismic Monitoring

Martin Karrenbach, Steve Cole, Victor Yartsev

Unconventional Resources Technology Conference (URTEC)

.... The depth range covered by the geophone array is indicated in red. Velocity Model Adjustment Using the above approximation we can create an initial...

Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

... the depth of sources and receivers in both surveys. In laboratory studies Tosaya et al. (1984) have examined the change in compressional velocity...

Travel-time tomography for joint velocity and transducer location estimation

Edan Gofer, Raanan Dafni, Albert Shalumov, Ramon Axelrod, Moshe Oziel, Pinny Chaviv

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the observed arrival times is solely a function of the velocity error, 𝑗 𝑗 𝑟𝑖 = ∫𝑖 𝛿𝑢(𝑥1 , 𝑥2 , 𝑥3 )𝑑𝑠. (2) Equation 2 represents...

4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).

David Hill, Dominic Lowden, Sonika, Chris Koeninger

Search and Discovery.com

.... Such an in depth understanding cannot be achieved using one of the more traditional Sim-to-Seis type workflows. Introduction The history of closed-loop seismic...

Joint inversion of gravity and magnetic data using indicator functions

Ke Wang, Dikun Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... indicator functions and how the objective function is solved using a synthetic example of joint gravity and magnetic inversion for kimberlite exploration...

Deep Crustal Structure of the Northwestern Gulf of Mexico

Yosio Nakamura ,, Dale S. Sawyer , F. Jeanne Shaub, Kevin MacKenzie , Jurgen Oberst

GCAGS Transactions

..., as inferred from higher velocity refracted arrivals, is found at a depth of 13 to 16 km. The observed basement relief shows a NW-SE trending ridge that may...

Coupling Geomechanics and Petrophysical Measurements for Production Enhancement in Organic-Rich Shales

Azra N. Tutuncu, Daisuke Katsuki, Binh T. Bui, Anton Padin, Bryan McDowell

Unconventional Resources Technology Conference (URTEC)

... coeffcient for different solute concentrations, (b) diffusion coefficient variation as a function of brine salinity obtained using NMR measurements. Velocity...

Bottom-Hole Flowing Pressure Calculation in Deviated Multiphase Flow Gas Wells Using Artificial Neural Network (ANN) - A Case Study in the Tunu Gas Field, Total E&P Indonésie

Haniyyah Hasna, Dadik Hendra Kusuma

Indonesian Petroleum Association

...Bottom-Hole Flowing Pressure Calculation in Deviated Multiphase Flow Gas Wells Using Artificial Neural Network (ANN) - A Case Study in the Tunu Gas...

Experiments on the Thickness of Beds Deposited by Turbidity Currents

G. V. Middleton, W. J. Neal

Journal of Sedimentary Research (SEPM)

... with glass beads were compared with those using plastic beads of lower density, but with a settling velocity almost equal to that of the finest glass beads...

Abstract: 3D Pre-Stack Depth Migration in Permafrost Transition, Point Thomson Field, North Slope, Alaska, by N. C. Lian, J. R. Alldridge, J. R. Krebs, and J. Hefti; #90008 (2002).

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ABSTRACT: Effects of Pore Geometry Changes on Chalks Velocity Anisotropy, by Saberi, Mohammad Reza; Barone, Mirko; van Heiningen, Pieter; #90135 (2011)

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Late Cretaceous to Present-Day Opening of the Southwest Pacific Constrained by Numerical Models and Seismic Tomography

Kara J. Matthews, Maria Seton, Nicolas Flament, R. Dietmar Müller

Petroleum Exploration Society of Australia (PESA)

.... (2010) suggested that a linear northsouth trending band of fast seismic velocity material located at 1325‑920 km depth, in the P-wave tomography model...

Fines Migration during Coal Bed Methane Production: Mathematical and Laboratory Modelling, Field Cases

Abolfazl Hashemi, Bryant Dang-Le, Cuong Nguyen, Grace Loi, Nastaran Khazali

Australian Petroleum Production & Exploration Association (APPEA) Journal

... detachment velocity for detrital and authigenic particles and the concept of maximum retention function (MRF) is developed. The complete derivation...

Enhanced Sediment Scavenging Due to Double-Diffusive Convection

Jeffrey D. Parsons , Macelo H. Garcia

Journal of Sedimentary Research (SEPM)

.... STERNBERG, R.W., BERHANE, I., AND OGSTON, A.S., 1999, Measurement of size and settling velocity of suspended aggregates on the Northern California...

Workflow for a joint inversion of gravity and gravity gradients for environmental applications

Luigi Bianco, Mojtaba Tavakoli, Andrea Vitale, Maurizio Fedi

International Meeting for Applied Geoscience and Energy (IMAGE)

... structures using a variable depth-weighting function (called inhomogeneous model weighting): 1 𝑤(𝑥, 𝑦, 𝑧) = 𝑧 [ 𝛽(𝑥,𝑦,𝑧) ] 2 (7) To estimate...

Abstract: Analysis of Fault Seals Using Complex Seismic Trace Attributes Calibrated to Artificial Neural Networks, by M. L. Shoemaker, C. Walker, and B. Brennan; #90090 (2009).

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Time-lapse matching of OBN seismic data using 2D convolutional neural networks

Ramon C. F. Araújo, Gilberto Corso, Samuel Xavier-de-Souza, João M. de Araújo, Tiago Barros

International Meeting for Applied Geoscience and Energy (IMAGE)

... water marine seismic using ocean bottom nodes (OBN), the major NR factors are changes in water velocity and positioning of receivers. Impairments caused...

Abstract: Velocity Modeling and Static Corrections for Complex near-Surface - from Alternative Solutions to Improve Seismic Imaging in Muglad Basin, by Hussein A. Ahmed; #90105 (2010)

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Analytical Method to Accurately Estimate Overpressure Magnitude: The Case Study from Indonesia's Tertiary Basins

Agus M. Ramdhan, Lambok M. Hutasoit, Arifin

Indonesian Petroleum Association

... magnitude could be estimated by using seismic velocity data, wireline log suites, and drilling parameters and event such as d’exponent (normalized drilling...

Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

... datasets have been acquired using a “conventional” flat cable, hydrophone-only configuration, usually towed at a constant depth below the sea surface...

Abstract: AVO Analysis of Long Offset Seismic Data Using 3-D Graphical Analysis

Fuping Zhu, Richard L. Gibson

GCAGS Transactions

..., Geophysics: The Leading Edge of Exploration, Vol. 09, No. 06, pp. 15-22. Zhu, F., 2000, Shear-wave velocity estimation using multiple logs...

Abstracts: Padé Approximation for Analyzing Multiple Reflections; #90173 (2015)

Dali Zhang, Michael P. Lamoureux, and Gary F. Margrave

Search and Discovery.com

... [0, 1.5] seconds was recovered very well using the reconstructed function G[ p ,q ] ( z ) as an inverse filter. However, there are some oscillation...