Specific Managed Pressure Drilling (MPD) Strategies for Drilling in South Mahakam Field under Severe Losses Conditions

Ardho Fidiansyah, Fikri Irawan

Indonesian Petroleum Association

... to quantify the gas velocity was made through the work of Zukoski (1966) for an empirical bubble migration rate with correlations between a normalized...

Converted Waves Seismic Imaging : Importance of Gamma Estimation (Paper P4)

A. G. Mohd Adnan, A. R. Ghazali

Geological Society of Malaysia (GSM)

... of the converted shear wave (PS) from compressional wave (PP) is to apply an accurate Vp/Vs ratio (gamma) operator in the stack and migration process...

Abstract: Stochastic Modeling of Inclined Heterolithic Stratification With the Bank Retreat Model; #90213 (2015)

Michael J. Pyrcz and Clayton V. Deutsch

Search and Discovery.com

... the near bank velocity at the control nodes, (4) calculate the node migration as a function of the near bank velocity and host material erosion...

A Modeling Study for Imaging in Structurally Complex Media: Case History

Hesham Moubarak

Search and Discovery.com

... still be obtained providing the spatial sampling was adequate and the known velocity/depth model was used for the migration. The synthetic model contains...

A Modeling Study for Imaging in Structurally Complex Media: Case History

Hesham Moubarak

Search and Discovery.com

... still be obtained providing the spatial sampling was adequate and the known velocity/depth model was used for the migration. The synthetic model contains...

Washed-Out Ripples: Their Equilibrium Dimensions, Migration Rate, and Relation to Suspended-Sediment Concentration in Very Fine Sand

Jaco H. Baas , Herman De Koning

Journal of Sedimentary Research (SEPM)

... and Forbes (1979). Washed-out bed forms typically show a decreasing height in conjunction with a more constant spacing with increasing flow velocity (e.g....

ABSTRACT: Velocity Inversion Using Geological Constraints, by Jos Van Trier; #91035 (2010)

Search and Discovery.com

Abstract: A 3D pre-stack depth migration case history from the South China Sea

Refik Oezsen, Mark Crawley, Wan Ismail Wan Yusoff, Abdul Rahim Md. Arshad

Geological Society of Malaysia (GSM)

...Abstract: A 3D pre-stack depth migration case history from the South China Sea Refik Oezsen, Mark Crawley, Wan Ismail Wan Yusoff, Abdul Rahim Md...

Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals

Mike Perz, Josef Heim, Candace Bruins

Unconventional Resources Technology Conference (URTEC)

...Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals Mike Perz, Josef Heim, Candace Bruins URTeC: 399...

ABSTRACT: Practical Implementation of Geostatistics in Regional Depth Conversion Workflows: A Case Study from Saudi Arabia, by Jeganathan, Pradeep; #90141 (2012)

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Thin-skinned Gravity Sliding as a Mechanism for Growth Faulting: Unit 10: Principles

Martin P. A. Jackson, William E. Galloway

AAPG Special Volumes

... the subvertical effective stress, zz, remains constant within the overpressured zone where the fluid gradient, II, is the same as the lithostatic overburden...

Normal Moveout and Dip Moveout, C. L. Liner, #40037

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Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)

Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji

Search and Discovery.com

... techniques such as ray-based tomography and migration velocity analysis outputs inaccurate results (Yong, et al.,2018). In this paper we have studied 3D...

Large-scale Sand Injection in the Paleogene of the North Sea: Modeling of Energy and Flow Velocities

Davide Duranti

AAPG Special Volumes

... velocity at the exit point A (vA) can, however, be estimated for the beginning of the flow, setting the initial conditions as constant. Hence, the fluid...

Abstract: Improving the Statics Solution through De-migration: A Canadian Foothills A-PSDM Case History; #90172 (2014)

Jiwu Lin, Sylvestre Charles, Josef Heim

Search and Discovery.com

...Abstract: Improving the Statics Solution through De-migration: A Canadian Foothills A-PSDM Case History; #90172 (2014) Jiwu Lin, Sylvestre Charles...

The Formation and Behavior of "Vapor Lock" Pressure Seals and Associated Hydrocarbon Accumulations in Geologically Young Basins

W.M. Benzing , G.M. Shook , S.D. Leroy

GCAGS Transactions

... maintain the "vapor lock" seal. Any sands that are found within the pressure seal fill preferentially with the non-wetting gas and oil. Further migration...

Seismic Imaging and Interpretive Model Building in the Colombian Andes

Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

.... Depth migration in thrust-belt environments like the Colombian Andes requires an interpretive approach to building a depth-migration velocity model...

The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,

Search and Discovery.com

...) composed of different but constant velocity units. The error between first break from forward modeling and first break from real travel time...

Imaging below Seafloor Canyons and other Rugose Features

Dominic Fell, Kiran Dyal, Tony Hallam, Sebastian Nixon

Australian Petroleum Production & Exploration Association (APPEA) Journal

... of velocity related structural distortions. Keywords: depth imaging, depth migration, earth model building, seafloor topography, tomography. Accepted...

Buoyancy and Interfacial Force Effects on Two-Phase Displacement Patterns: An Experimental Study1

Tomochika Tokunaga, Katsuro Mogi, Osamu Matsubara, Hiroyuki Tosaka, and Keiji Kojima

AAPG Bulletin

..., Hiroyuki Tosaka, and Keiji Kojima 2000 65 74 84 1 Modeling secondary migration of oil currently is difficult because the physics governing...

Comparison of Various Depth Conversion Techniques in a Complex Foreland Thrust Belt Setting: Case Study in the North Seram Basin, Banda Arc

Muhammad Nauvall Juliansyah, Bayu Permana Putra, Agung Donurizki

Indonesian Petroleum Association

...Comparison of Various Depth Conversion Techniques in a Complex Foreland Thrust Belt Setting: Case Study in the North Seram Basin, Banda Arc Muhammad...

Velocity for Pore Pressure Prediction Modeling and Risk Assessment; #41819 (2016).

Selim Simon Shaker

Search and Discovery.com

...Velocity for Pore Pressure Prediction Modeling and Risk Assessment; #41819 (2016). Selim Simon Shaker Velocity for Pore Pressure Prediction Modeling...

Abstract: Uncertainty in Surface Microseismic Monitoring; #90187 (2014)

Michael Thornton, Mike Mueller, and Leo Eisner

Search and Discovery.com

... e r wavelet with a constant moveout velocity of 12,000 feet/s. For a range of input SNR levels (0.02-20), Gaussian noise was added to the modeled...

Abstract: Time-Lapse FullWaveform Inversion Application To Seismic Monitoring Of CO2 Sequestration; #90224 (2015)

Wubshet Alemie

Search and Discovery.com

... the 2D velocity model for a constant density acoustic wave equation modelling presented in Equation 1 to mimic the time lapse change. This model has...

1.5 Crustal Sections: A Wide Angle Seismic Profile

V. J. Hughes, R. S. White, E. J. W. Jones, D. H. Matthews, J. A. Brewer, and D. K. Smythe

AAPG Special Volumes

... of the constant offset profile are caused partly by refracted arrivals returned directly from the lower velocity sediments and partly by multiply-reflected...