Geologic Significance of a Geothermal Gradient Curve

Walter B. Lang

AAPG Bulletin

...Geologic Significance of a Geothermal Gradient Curve Walter B. Lang 1937 1193 1205 21 9. (September) The Getty-Dooley well No. 7 was drilled in Eddy...

Case History: Rulison Field, Colorado, Fracture Detection, Mapping, and Analysis of a Naturally Fractured Gas Reservoir Using P-wave Reflection Seismic

Heloise B. Lynn, K. Michele Simon, Vello Kuuskraa, Dave Decker

Four Corners Geological Society

... best correlated with commercial gas pay were: the interval velocity ratio (N60E/N30W) and the sum of the interval AVO gradient (N60E + N30W...

Combined AVO and Spectral Decomposition Analyses to Characterize Gas Sand Reservoir Below Tuning Thickness Condition

Julian Saputro, Jaenudin, Alexis Badai Samudra, Enik Puji Lestari, Sugiono, Aldis Ramadhan, Yosi Hirosiadi

Indonesian Petroleum Association

... Structure is mainly sensitive to gas effect. Based on integrated analysis of AVO gradient analysis, Fluid Replacement Modeling, AVO attribute analysis...

Geothermal Zonality and Distribution of Oil Fields in the Pripyat Basin

V. N. Beskopyl’nyy

Petroleum Geology: A Digest of Russian Literature

... basin. 1-Oil fields; 2-exploration areas; 3-contours of geothermal gradient in sedimentary section, °C/100 m; 4-faults bounding the region; 5-boundaries...

Abstracts: Full Waveform Inversion with Total Variation Regularization; #90173 (2015)

Amsalu Y. Anagaw, Mauricio D. Sacchi

Search and Discovery.com

... obtaining solutions where edges and discontinuities are preserved. TV regularization accomplishes these goals by imposing sparsity on the gradient...

Geothermal gradient and heat flow maps of offshore Malaysia: Some updates and observations

Mazlan Madon, John Jong

Geological Society of Malaysia (GSM)

...Geothermal gradient and heat flow maps of offshore Malaysia: Some updates and observations Mazlan Madon, John Jong Bulletin of the Geological Society...

Interpreting the Direction of the Gravity Gradient Tensor Eigenvectors: The Main Tidal Force and its Relation to the Curvature Parameters of the Equipotential Surface

Carlos Cevallos

Petroleum Exploration Society of Australia (PESA)

...Interpreting the Direction of the Gravity Gradient Tensor Eigenvectors: The Main Tidal Force and its Relation to the Curvature Parameters...

Preliminary Geothermics of the Sedimentary Basins in the Yukon and Northwest Territories (60°N - 70°N) -- Estimates from Petroleum Bottom-Hole Temperature Data

J.A. Majorowicz, F.W. Jones, A.M. Jessop

CSPG Bulletin

.... Although the limited accuracy of the data prevents detailed study of the gradient and heat flow variations, general regional trends are observed...

A Numerical Model for Analyzing Mechanical Slippage Effect on Cross-well Distributed Fiber Optic Strain Measurements During Fracturing

Xueling Song, Ge Jin, Kan Wu, Xincheng Wan

Unconventional Resources Technology Conference (URTEC)

... frequent when the maximum fiber strain gradient is smaller. Moreover, the longer sticking portion was observed when the dynamic/static friction ratio...

Workflow for Pore Pressure and Horizontal Stress Field Estimation in Vertical Wells Using Well Data in the XŽ Field in South Sumatra

Mohammad Zulfikar Simatupang, Bonar Tua Halomoan Marbun, Ramadhana Aristya, Niko Pratama Purba

Indonesian Petroleum Association

... pressure estimation and Matthews & Kelly for fracture gradient estimation which was then fine-tuned with formation integrity test results. No leak off...

Enhancing full-waveform inversion with a deep-learning approximated inverse Hessian: A field data application

Mustafa Alfarhan, Matteo Ravasi, Fuqiang Chen, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... the FWI gradient as input to the demigration-migration process. By doing so, a more balanced update can be constructed whereby both the shallow and deep...

Deepwater Drilling Solutions New Dual Gradient Drilling Concept

Tri Bagus Prabowo, Muhammad Adhim Mulia, Bambang Yudho Suranta

Indonesian Petroleum Association

...Deepwater Drilling Solutions New Dual Gradient Drilling Concept Tri Bagus Prabowo, Muhammad Adhim Mulia, Bambang Yudho Suranta IPA18-537-SE...

Regionally Interpolated Pore Pressure Model Utilizing Multiple Empirical Methods in the Delaware Basin

Yamin Li, Jon Roberts

Unconventional Resources Technology Conference (URTEC)

... pore pressure gradient is equal to hydrostatic pressure gradient. This gradient is dependent on formation fluid salinity and typically ranges between...

Subsurface Formation Pressure Gradient vs. Slope: Perception and Pitfalls

Selim S. Shaker

GCAGS Transactions

...Subsurface Formation Pressure Gradient vs. Slope: Perception and Pitfalls Selim S. Shaker 2024 121 130 Vol. 73 (2024) Distinguishing the difference...

A more automated footprint removal for full-waveform inversion

David F. Halliday, James Xu, Soumya Roy

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the wavenumber domain), the method simultaneously estimates a footprint model, and a separate signal model. We demonstrate the method on an FWI gradient...

Geology and Mechanics of the Basin-Centered Gas Accumulation, Piceance Basin, Colorado, by Stephen Cumella and Jay Scheevel

Search and Discovery.com

Present-Day Heat Flow and Thermal History in the Jianghan Basin; #10494 (2013)

Li Zongxing, Liu Chenglin, Ma Yinsheng, and Zhao Yue

Search and Discovery.com

... The geothermal temperature gradient varies with depth due to variation of thermal conductivity, and regionally due to the variations of deep heat flow...

Geology and Mechanics of the Basin-Centered Gas Accumulation, Piceance Basin, Colorado, by Stephen Cumella and Jay Scheevel; #90042 (2005)

Search and Discovery.com

Geothermal Systems Assessment: Understanding Risks in Geothermal Exploration in Australia

G. T. Cooper, G. R. Beardsmore

Petroleum Exploration Society of Australia (PESA)

... understanding of rock thermal resistance and heat flow. The use of geothermal gradient methodologies can introduce significant errors in assessing the temperature...

Regional overview of deep sedimentary thermal gradients of the geopressured zone of the TexasLouisiana continental shelf

Seiichi Nagihara, Michael A. Smith

AAPG Bulletin

... disturbance, yielded a regional map of geothermal gradient down to approximately 6 km (3.7 mi) subsea floor. Two geographic trends can be seen...

Practical Uses of Pressure Gradients from the Formation Tester

K. Wali

Papua New Guinea (PNG) Petroleum Convention Proceedings

.... Wali1 Abstract Introduction Pressure gradient profiles have important applications in determining the fluid content within a single reservoir...

A New Perspective to Shallow Water Flow (SWF) and Sinking Well-Head Preventions in Deep Water

Selim Simon Shaker

GCAGS Transactions

... hydrodynamic system (zone B), associated with a dewatering process that can lead to SWF. Calculating the linear pressure gradient in the sand beds vs...

Oil and Gas Fields Accompanied by Geothermal Anomalies in Rocky Mountain Region

H. J. Meyer , H. W. McGee

AAPG Bulletin

... for temperature gradient anomalies over oil and gas fields is lateral and upward movement of fluids (primarily water) through the earth's rocks into trapping...

Viable Solutions to Overcome Weaknesses of Deep Learning Applications in Production Forecasting: A Comprehensive Review

Y. Kocoglu, S. Gorell

Unconventional Resources Technology Conference (URTEC)

... are difficult to train due to their inherent weaknesses known as vanishing and exploding gradient problems. The main goals of this comprehensive review paper...

Thermal Maturation of the Western Canadian Sedimentary Basin South of the Red Deer River: I) Alberta Plains

T.D.J. England,, R.M. Bustin

CSPG Bulletin

... Gradient Map of North America, 1:5,000,000. American Association of Petroleum Geologists and United States Geological Survey. Ammosov, I. I. 1979...