Geothermal Exploration in West Java

Solia Wiradiradja, Surahman Suari, Yunus Razali, L. Pekar

Indonesian Petroleum Association

..., except in particularly favourable cases which represent the target for geothermal exploration. Actually, the normal geothermal gradient which...

The generation of equivalent sources by 3D skeletonization of the migration density field

James Brewster

International Meeting for Applied Geoscience and Energy (IMAGE)

... gradient data will be presented. On each iteration, only a small subset of the final source distribution is fitted using a skeletonized version...

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)

... modelling in different context with environmental applications such as caviy detection. The workflow is based on sequential joint inversion via cross-gradient...

Gradient-regularized physics informed neural networks for acoustic wave simulation

Shobhit Mishra, Bharath Shekar

International Meeting for Applied Geoscience and Energy (IMAGE)

...Gradient-regularized physics informed neural networks for acoustic wave simulation Shobhit Mishra, Bharath Shekar Gradient-regularized physics...

Evaluation of Machine Learning Methods for Automatic Facies Classification As a Tool for Determining Sandstone and Limestone Reservoir

Irvan Rahadian Putra, M. Irsyad Hibatullah, Christopher Salim, Firman Syaifuddin

Indonesian Petroleum Association

... Machine (SVM), K Nearest Neighbors, Gradient Boosting and Decision Tree. Comparison of these algorithms will present its advantages and disadvantages...

Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)

Changsoo Shin and Wansoo Ha

Search and Discovery.com

... in the time and frequency domains, Laplace-domain inversion results of real marine data are macrovelocity models, due to the smooth gradient direction...

Preservation of lateral pressure disequilibrium during the uplift of shale reservoirs

Xinyu Xia, Eric Michael, and Yongli Gao

AAPG Bulletin

... A pressure gradient increase from normal pressure in oil zones to overpressure in dry gas zones indicates a lateral disequilibrium of pore pressure...

A Preliminary Examination of Geothermal Gradient Throughout Louisiana's 64 Parishes

Douglas Carlson, Richard P. McCulloh

GCAGS Transactions

...A Preliminary Examination of Geothermal Gradient Throughout Louisiana's 64 Parishes Douglas Carlson, Richard P. McCulloh 2005 57 70 Vol. 55 (2005...

Hydrodynamics — A Practical Exploration Tool

Jack W. Knight

Tulsa Geological Society

... gradient in a reservoir bed, the question then arises, "How can hydrodynamics be applied?" The application involves two things: (1) Knowledge...

A complex bimodal fluid gradient in a simple tilted sheet reservoir is explained and modeled by (biogenic) gas addition to an oil column

Morten Kristensen, Tarek S. Mohamed, Carlos Torres-Verdin, Oliver C. Mullins

International Meeting for Applied Geoscience and Energy (IMAGE)

...A complex bimodal fluid gradient in a simple tilted sheet reservoir is explained and modeled by (biogenic) gas addition to an oil column Morten...

Shear Failure Analysis to Minimize Borehole Breakout in Extended Reach Drilling (ERD) BM-6 Well on Bravo Field Offshore North West Java

I.N.G Ridhanta, A. Kurniawan, W. Priyadi

Indonesian Petroleum Association

... based on shear failure gradient analysis and using optimal bridging agent to minimize loss circulation in sand formation looks effective. optimum well...

Water Saturation Gradient (SWGRAD) as a New Mathematical Solution for Hydrocarbon Identification in the Oil and Gas Field with High Uncertainty on Water Salinity: Case Study in Tunu Field, Delta Mahakam

Taufik Anwar, Haris Kurniawan Hidayat

Indonesian Petroleum Association

...Water Saturation Gradient (SWGRAD) as a New Mathematical Solution for Hydrocarbon Identification in the Oil and Gas Field with High Uncertainty...

Anisotropic 3D Amplitude Variation with Azimuth (AVAZ) Methods to Detect Fracture-Prone Zones in Tight Gas Resource Plays, #41531 (2015).

Bill Goodway, John Varsek, Christian Abaco

Search and Discovery.com

.... This is due to a decreasing (negative) gradient perpendicular to fractures, while the isotropic or parallel case has a flat gradient and hence a strong...

Lineament Analysis and Inference of Geologic Structure -- Examples from the Balcones/Ouachita Trend of Texas (1)

Christopher S. Caran, C. M. Woodruff, Jr., Eric J. Thompson

GCAGS Transactions

... and in various combinations) were compared with maps of structural/tectonic features and geothermal gradient contours, noting instances of apparent...

Source Maturity, Overpressures and Production, North West Shelf, Australia

E. L. Horstman

Petroleum Exploration Society of Australia (PESA)

... as log VR against depth. A "maturity gradient" was determined for each well by drawing a 2a WALCOTT -1 Figure 2: Well Data Plot. 2c ROSEMARY-1...

The Integration of Hydrodynamics and Stratigraphy, Muddy Sandstone, Northern Powder River Basin, Wyoming and Montana

D. A. Smith

Wyoming Geological Association

... in the hydraulic gradient reflect the isolated and discontinuous nature of the Muddy Sandstone and reflect changes in permeability, porous sandstone thicknesses...

Combination of Seismic Velocity Gradient and Sonic Gradient Variation as a Hydrocarbon Indicator: A Case Study in Clastic Reservoirs in South Sumatra

Iswani Waryono, Wahyu Triyoso

Indonesian Petroleum Association

...Combination of Seismic Velocity Gradient and Sonic Gradient Variation as a Hydrocarbon Indicator: A Case Study in Clastic Reservoirs in South Sumatra...

Joint inversion of multi-height gravity and vertical gradient via physics-informed neural network

Yinshuo Li, Wenkai Lu, Cao Song

International Meeting for Applied Geoscience and Energy (IMAGE)

...Joint inversion of multi-height gravity and vertical gradient via physics-informed neural network Yinshuo Li, Wenkai Lu, Cao Song Joint inversion...

Analysis of Hydrodynamic Factors in Petroleum Migration and Entrapment

Richard W. Davis

AAPG Bulletin

... ^dgrvzo/^dgrvx = tilt of the oil-water interface, ^dgrvh/^dgrvx = potentiometric surface gradient, ^rgrw = density of water (g/cm3), and ^rgro...

Thermal History of the Cordilleran Foreland Basin in Western Canada: A Review: Chapter 9

Kirk G. Osadetz, F. Walter Jones, Jacek A. Majorowicz, David E. Pearson, Laverne D. Stasiuk

AAPG Special Volumes

... of a late Laramide (middle Eocene) paleogeothermal gradient field. Interior platform coalification patterns result from sedimentary burial in a geothermal...

Determination of Terrestrial Heat Flow from Oil-Field Data

Victor Vacquier

Southeast Asia Petroleum Exploration Society (SEAPEX)

... and, possibly, the migration of hydrocarbons. To determine heat flow one needs, in addition to the temperature gradient, the mean thermal conductivity where...

ABSTRACT: AEROMAGNETIC GRADIOMETER SURVEYS IN SASKATCHEWAN

L. J. KORNIK

Saskatchewan Geological Society

.... The vertical gradient maps therefore contain more information which can be related directly to underlying ^ lithology and structure. The search for uranium...

Abstract: Regional Gravity Anomalies in the Ouachita System and Adjacent Areas

Joseph M. Kruger

Earth Science Bulletin (WGA)

... that variably attenuated continental crust lies beneath the Gulf Coastal Plain south of Ouachita system gravity gradient as opposed to “typical...

Abstract: Hydrodynamic Flow in Lower Cretaceous Muddy Formation, Northeast Powder River Basin, Wyoming and Montana

R. R. Berg, G. M. Larberg, L. D. Recker

Earth Science Bulletin (WGA)

... the basin with an average gradient of 50 ft/mi (10 m/km). Flow patterns are controlled largely by the distribution of porous sandstone so...

Abstract: Scotian Shelf Geothermal Gradients, by E. I. Robbins, Edward C. Rhodehamel; #90972 (1976).

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