PSDM Enhances Reef Interpretation in Jatiluhur Block, West Java

Jopie I. Adhidjaja, Andrew J. Davidoff, Ika Ratna Novianti

Indonesian Petroleum Association

... successfully utilized pre-stack depth migration (PSDM) to improve imaging. PSDM processing uses advanced velocity analyses techniques including...

Central Kalimantan Weight Drop Seismic Acquisition and Implication to Petroleum Exploration

Riki Tasrianto

Indonesian Petroleum Association

... 400 600 800 1000 0 500 TVDss (ft) 1000 1500 2000 Seismic Velocity VSP 2500 AST 3000 Figure 8 - Time-depth and velocity-depth plot...

Statistical imaging through strongly scattering near-surface with path summation techniques

Andrey Bakulin, Ilya Silvestrov, Maxim Protasov, Dmitry Neklyudov

International Meeting for Applied Geoscience and Energy (IMAGE)

... subsurface imaging without the need for an accurate velocity-depth model. This method utilizes an ensemble of random near-surface models that reflect...

Microseismic monitoring of an underground longwall mine using a modern lightweight nodal recording system

Tim Dean, James McGuiness, Andrej Bona

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the receivers on the surface assuming a laterally homogeneous medium with linearly increasing velocity with depth (1000 m/s to 3500 m/s over 400 m...

Velocity and Velocity

M. Al-Chalabi

Petroleum Exploration Society of Australia (PESA)

... Processing Assumption of uniform ground Pre-Stack & Model of ground 1------.. Depth Domain Processing structure/ velocity Fig. 7. The velocity cycle...

The Formation of Cross-bedding by a Meandering or Braided Stream

Michael D. Wright

Journal of Sedimentary Research (SEPM)

..., with properties of the depositing current such as velocity, depth, and gradient (Illies, 1949; McKee, 1957; Nevin and Trainer, 1927). It would appear that too...

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

... data and sparse control from well data. This research performs a comprehensive and regionally extensive depth conversion analysis utilizing velocity...

Explosion Seismology Studies of Active and Passive Continental Margins: Resources, Comparative Structure, and Eustatic Changes in Sea Level

B. Keller , B. T. R. Lewis , C. Meeder , C. Helsley , R. P. Meyer

AAPG Special Volumes

... the margin are predicted by this model for two reasons. First, the constant velocity, or even slightly decreasing velocity, from about 40 to 70 km depth...

Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland

Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh

Petroleum Exploration Society of Australia (PESA)

... The success of any depth velocity model building (VMB) process depends upon the quality of the input dataset. TECH TALK Figure 1: Map showing location...

Hydraulics and Morphology of Glacial Outwash Distributaries, Skeidararsandur, Iceland

Larry G. Ward, Michael F. Stephen, Dag Nummedal

Journal of Sedimentary Research (SEPM)

... from 0.5 to 5.1 g/l, depending on the depth at which the sample was taken and the current velocity at that depth (Fig. 3). The suspended load reached...

Shale Tectonics: A Preface

Lesli J. Wood

AAPG Special Volumes

... little increase in velocity with depth; (2) low density, estimated to be in the range of 2.12.3 g/cm3; (3) low resistivity, approximately 0.5 ohm m...

Prodelta Sedimentation on a Lacustrine Delta by Clay Mineral Flocculation

N. J. Hyne, L. W. Laidig, and W. A. Cooper

Journal of Sedimentary Research (SEPM)

... with the strong currents present. Using surface current velocity, depth and distance from the orifice, Stokes Law shows that a detrital particle from...

Prospects for Oil and Gas in Lower Paleozoic Complex of Sedimentary Cover of Barents Shelf Plate

M. L. Verba, N. M. Ivanova

Petroleum Geology: A Digest of Russian Literature

... with the Rybachi Series of this same peninsula. Interface velocity at the top of this complex is 5.7-5.8 kmps, but with depth it increases gradually to 6.1-6.3...

Passive Margins: Shelf-to-Basin Correlations off Eastern Canada: Developing a Seismic Stratigraphic Framework in the Northern Newfoundland Basin

Karen J. Meador, James A. Austin, Jr., and Donald F. Dean

AAPG Special Volumes

... of the Upper Cretaceous (depth approximately 1.1 km or 3602 ft). First, an acoustic impedance log was generated using the velocity and density logs...

Crustal Structure of Texas Coastal Plain Region

Ira H. Cram, Jr.

AAPG Bulletin

... the velocity-depth sections for the six indicated refraction profiles. The consistency of the velocity data which were obtained by three independent...

III. Evidence of Faulting

Robert E. Sheriff

AAPG Special Volumes

... of seismic velocity with depth creates apparent concave-upward fault-plane curvature. Even a planar fault appears to be curved in a concave-upward...

General Threshold for Sediment Transport Induced by Mounds

J. Stephen Fries

Journal of Sedimentary Research (SEPM)

...-averaged velocity, g is gravitational acceleration and h is flow depth. Restricting cases to those with flow below Shields' threshold isolates conditions...

Profiler-Sonobuoy Measurements in Colombia and Venezuela Basins, Caribbean Sea

William J. Ludwig , Robert E. Houtz , John I. Ewing

AAPG Bulletin

... that the material below B^Prime can contain large amounts of sediment unless the sediment has a velocity near that of basalt. The discontinuous reflectors...

Identifying Potential Gas Accumulation Sites from Oligocene Overpressure Data in the Qiongdongnan Basin, Offshore South China: GEOLOGIC NOTE

Liu Funing

AAPG Bulletin

...------------------------------ depth Z, and vi is the actual velocity at depth Z, equation (1) may be expressed as EQUATION (2) The error caused...

How burial diagenesis of chalk sediments controls sonic velocity and porosity

Ida L. Fabricius

AAPG Bulletin

...: An empirically derived diagenetic model for the Atlantic Ocean basins: AAPG Bulletin, v. 83, p. 14851501.Hamilton, E. L., 1976, Shear-wave velocity versus depth...

2008 Gulf Coast Association of Geological Societies 58th Annual Convention, Abstracts, #90085 (2008).

Search and Discovery.com

Abstract: Comparative Study on 2D Microseismic Source Location with Synthetic Seismograms Recorded by Borehole- and Surfacereceiver Arrays; #90224 (2015)

Anton Biryukov, Simon G.E. Harvey, and Giovanni Grasselli

Search and Discovery.com

... in [8]. A velocity gradient ranging from 3500 m/s at surface to approximately 4700 m/s at depth has been applied to the succession of limestone units...

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user1

Search and Discovery.com

... migration involves continuously optimizing the velocity field in the depth domain to achieve accurate imaging. The accuracy of the shallow velocity model...

The Volcanism of the Circum-Artic: Implications for the Evolution of the Amerasia Basin

C.J. Cooper and E. Bjerkebak

Search and Discovery.com

... and Mendeleev ridges of the Amerasia Basin also resulted from a plume, a hypotheisis supported by seismic 1-D velocity depth profiles from the ridges...

How to Look at Frontier Basins: An Example from the Canadian Arctic; #10724 (2015)

Robert Meneley

Search and Discovery.com

... and velocity-depth relations in sedimentary basins – A study based on current investigations in the Arctic Islands and an interpretation experience elsewhere...