Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... should have no effect on zero-offset data (x =0) or horizontal reflectors (sin 0 = 0); increasing importance and significance for increasing dips (sin 90...

EXTENDED ABSTRACT: Overpressure Determination from Sonic and Resistivity Log Anomalies, Jonah Field, Northern Green River Basin, Wyoming

Robert M. Cluff, Suzanne G. Cluff

Wyoming Geological Association

... overpressure compartments and their boundaries. Typically, the gamma ray, resistivity, and sonic transit time (or its inverse, velocity) are plotted using...

Hydrocarbon Production During Underbalanced Drilling … A Mathematical Model to Predict Well Productivity

Samuel Zulkhifly Sinaga, Bonar Tua Halomoan Marbun

Indonesian Petroleum Association

... fpm, whereas conventional annular velocity in horizontal wells is more than 150 fpm. This velocity should be enough to clean the bit and the bottom...

Hydrodynamics and Overpressuring in the Jeanne D'Arc Basin, Offshore Newfoundland, Canada: Possible Implications for Hydrocarbon Exploration

A. L. Rogers, N. A. Yassir

CSPG Bulletin

... does not solely account for the phenomenon. Estimates of horizontal stresses in the basin show that overpressuring seems to be associated...

Thermomechanical origin of regional fracture systems

Joseph M. English

AAPG Bulletin

..., v. 100, no. 8, p. 11811204, doi:10.1130/0016-7606(1988)100<1181:PIUJOT>2.3.CO;2.Prats, M., 1981, Effect of burial history on the subsurface horizontal...

Laterally accreting sinuous channels and their deposits: The Goldilocks of deep-water slope systems

R.W.C. Bill Arnott, Mike Tilston, Patricia Fraino, Lillian Navarro, Gerry Dumouchel, Nicole Miklovich

Journal of Sedimentary Research (SEPM)

... to a density gradient that mimics the effect of the hydrostatic pressure gradient in rivers, and develops as coarse suspended particles that experience...

Finite-frequency transmission traveltime tomography in VTI media

Fei Luo, Lanlan Yan, Jiexiong Cai

International Meeting for Applied Geoscience and Energy (IMAGE)

... better describe the phase perturbation of forward scattering wave caused by velocity perturbation, and does not require the small phase perturbation...

Problem of Determination of Basic Geothermal Parameters

D. I. D’yakonov

Petroleum Geology: A Digest of Russian Literature

... point P2 a line of appropriate geothermal gradient is drawn to the intersection at point P3 with a horizontal passing through a given depth H. From point...

Addressing the complex near-surface challenges in the Delaware basin through recent FWI advancements

Ali Mohamed, Dmitry Kulakov, Daniel Suren, Wilfrid Milan, Larry Holifield, Vasudhaven Sudhakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... a high velocity layer system, in addition to the strong lateral velocity variation due to evaporite dissolution which is known as Cenozoic fill...

Velocity Conditioning for an Improved Depth Conversion, #40743 (2011)

Ang Chin Tee, M. Hafizal Zahir, M. Faizal Rahim, Nor Azhar Ibrahim, Boshara M. Arshin

Search and Discovery.com

... the complex spatial geometry of the structure and the effect of low velocity shallow gas sands. The 3D hybrid velocity model Interval Velocity grid...

Repeat DAS and DTS Production Logs on a Permanent Fiber Optic Cable for Evaluating Production Changes and Interference with Offset Wells

Veronique Mahue, Erick Jimenez, Peter Dawson, Kirk Trujillo, Robert Hull

Unconventional Resources Technology Conference (URTEC)

... between the transient velocity profile displaying a stronger gradient towards the heel stages and the higher water allocation computed at these stages...

Differentiation of Beach and Dune Sands, Using Settling Velocities of Light and Heavy Minerals

Bryce M. Hand

Journal of Sedimentary Research (SEPM)

... settling velocity than its companion. To demonstrate that the effect is not the same for both grains, one may consider the results of placing these same...

Outlining Shale Masses By Geophysical Methods

A. W. Musgrave , W. G. Hicks

AAPG Special Volumes

... these two lines. This largely accounts for the increase in velocity. In the shale mass the hydrostatic pressure Fig. 14. Calculated gravity effect...

Abstract: Migration of Velocity Spectra: An Example from the Timor Sea, by J. C. Beasley and R. Klotz; #91015 (1992).

Search and Discovery.com

Magnitude, mechanisms, and prediction of abnormal pore pressure using well data in the Krishna–Godavari Basin, east coast of India

Sumangal Dasgupta, Rima Chatterjee, and Sarada Prasad Mohanty

AAPG Bulletin

.... These LOT data points show the fracture gradient in the range of 19–21 MPa/km in the Cretaceous section. However, the minimum horizontal-stress gradient...

Modeling Gas Transport in Shale Reservoir … Conservation Laws Revisited

Wenyue Xu

Unconventional Resources Technology Conference (URTEC)

... fluid flow velocity and pressure gradient no longer exists. To account for the non-Darcy effect, the intrinsic permeability k appearing in the apparent...

The Steam Chamber Study of Thermal Recovery Heavy Oil Reservoir Based on Temperature Monitoring Data, Time-Lapse Seismic and Reservoir Simulation Result; #41329 (2014)

Feng Zhang, YinTao Cai, Libo Guo, Tingting Pan, Xiaomeng Cao, and Yuzhen Wang

Search and Discovery.com

.... The measurement objects of temperature observation wells are geothermal gradient and local temperature anomaly. When a well is producing...

Seismic Imaging and Interpretive Model Building in the Colombian Andes

Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... ANDES ROB VESTRUM TBI (Thrust Belt Imaging): 2300, 645 - 7 Ave SW, Calgary, Alberta, Canada ABSTRACT Lateral velocity variation and dipping anisotropy...

Bed Configurations

Gerard Middleton, John B. Southard

Special Publications of SEPM

... the typical depth-velocity range of In addition, shown by flume experiments on sediment transport. one for fine horizontal ruling are two separate areas...

High-Resolution Visualization of Flow Interference Between Frac Clusters (Part 1): Model Verification and Basic Cases

Ruud Weijermars, Arnaud van Harmelen, Lihua Zuo, Ibere Nascentes Alves, Wei Yu

Unconventional Resources Technology Conference (URTEC)

... ratios. Next, the analysis shows the flow field, drainage contours, velocity contours and pressure distribution for a horizontal, synthetic well...

Abstract: Seismic Detection of Cracks in Carbonates Associated with Potash Mining; #90171 (2013)

Zimin Zhang and Robert R. Stewart

Search and Discovery.com

.... The rock displays transverse isotropy with respect to x-axis (horizontal) or azimuthal anisotropy in the x-y plane. The P-velocity along the vertical...

Deposition and Early Hydrologic Evolution of Westwater Canyon Wet Alluvial-Fan System: ABSTRACT

W. E. Galloway

AAPG Bulletin

... gradient and high horizontal and vertical transmissivity of the sand-rich fan aquifer. Groundwater was abundant, fresh, and slightly alkaline...

Heat Flow Regime and Implications for Oil Maturation and Migration in the Offshore Northern Carnarvon Basin

M. G. Swift, H. M. J. Stagg, D. A. Falvey

Petroleum Exploration Society of Australia (PESA)

... to measured thermal gradients. This requires that there is a horizontal temperature gradient at the base of the lithosphere (this is equivalent...

Eolian Suspension Above the Saltation Layer, the Concentration Profile

J.A. Gillies, L. Berkofsky

Journal of Sedimentary Research (SEPM)

... friction velocity (0.63 m s-1 ± 0.07 m s-1) are the highest observed, the concentration gradient is among the lowest observed. Instrument error may...

Fluid and Sediment Dynamics on Continental Shelves

Donald J. P. Swift and Alan W. Niedoroda

Special Publications of SEPM

... to maintain its equilibrium The vertical velocity height which is on the order of 1 m. gradient, and hence the vertical shear stress gradient...