Chapter 1: A New Exploration Strategy for Anomalously Pressured Reservoirs in Rocky Mountain Basins*

Ronald Surdam

Montana Geological Society

... involves the determination and, if possible, three dimensional (3D) evaluation of the pressure boundary between normal and anomalous pressure...

Secondary Migration and Accumulation: Chapter 12: Part II. Secondary Migration and Accumulation of Petroleum, Compiled by Robert H. Dott and Merrill J. Reynolds

AAPG Special Volumes

... to lithostatic and hydrostatic pressure. Influenced perhaps by Newberry's idea, the petroleum fraternity early assigned the cause of pressure in wells...

A Viscoplastic Stress Relaxation Model for Predicting Variations of the Least Principal Stress With Depth in Unconventional Reservoirs; #41999 (2017)

Shaochuan Xu, Mark D. Zoback

Search and Discovery.com

... viscoplastic stress relaxation plot as in Figure 5 assuming near hydrostatic pore pressure. In Figure 5, each data point is a measured n and B...

The Golden Zone: Its the Temperature that Counts

Halfdan Carstens

GEO ExPro Magazine

... all sedimentary basins the pore pressure exceeds the hydrostatic pressure (pressure of the water column) beneath a certain depth. The depth at which...

Manage Risk with Breakthrough Seismic Acquisition Technology: The GeoStreamer Story Continues New Reservoir Opportunities Revealed

Cyrille Reiser, Folke Engelmark

Petroleum Exploration Society of Australia (PESA)

... in the rock preventing the sediment to drain under compacting stress, the pore pressure is increased above the hydrostatic gradient. This results...

Evaluation of In-Situ Stress Environment in the Utica Play and Implications on Completion Design and Well Performance

Bertoncello Antoine, Brigaud Frederic

Unconventional Resources Technology Conference (URTEC)

... is calculated based on pressure gradient inferred from DFIT. The second term models the stress generated by the fluid pressure on the rock frame. The third...

How Overpressure and Diagenesis Interact in Sedimentary Basins – Consequences for Porosity Preservation in HPHT Reservoir Sandstones

Mark J. Osborne, Richard E. Swarbrick

Indonesian Petroleum Association

..., temperature and pressure (Jowett et al. 1993). In hydrostatic pressure conditions, where fluid is free to escape from the rock, the reaction will occur...

Reducing Well Construction Costs through Field Application of New Unconventional Lightweight Cementing Solutions - Multiple Case Histories in the Permian Basin

Roderick Pernites, Marvin Montgomery, Dan Fu, Felipe Padilla

Unconventional Resources Technology Conference (URTEC)

...-effective non-beaded lightweight cementing technology will be described. The new lightweight has a lower hydrostatic pressure during pumping, hence...

Naturally Occurring Underpressure „ A Global Perspective; #30619 (2019)

Thomas Birchall

Search and Discovery.com

... pore-pressure below hydrostatic i.e., the pressure exerted by a column of water. Correspondingly, overpressure is defined as any pressure in excess...

Measurement of Independent Variables - Pressure, Time, Temperature, Time-Temperature

Alan P. Byrnes, Michael D. Wilson

Special Publications of SEPM

... psi/ft. Fluid Pressure Hydrostatic pressure gradients are controlled by fluid density, which varies as a function of the solids content (salinity...

Hydrodynamics of the Fountain and Casper Formations, Laramie Basin, Wyoming

Richard W. Davis

Wyoming Geological Association

... from the Casper aquifer was defined. The zone of upwelling correlates with an adjacent, down gradient area of highly saline water. The data were used...

Abstract: Pressure Compartments and Their Interdependence on Overpressure Mechanisms: Examples from the North Sea, by R. Swarbrick; #90942 (1997).

Search and Discovery.com

ABSTRACT An Analogue Approach to Understand the Effect of Oil Emplacement on Pressure Solution in Reservoir Rocks, #90104 (2010)

Sathar Shanavas; Worden Richard H.; Faulkner Daniel R.; Smalley Craig

Search and Discovery.com

...ABSTRACT An Analogue Approach to Understand the Effect of Oil Emplacement on Pressure Solution in Reservoir Rocks, #90104 (2010) Sathar Shanavas...

Texture, Mineralogy, and Petrophysical Properties of Geopressured Shales, Gulf of Mexico

Jin-wook Kim, Robert R. Berg, Joel Watkins, Thomas T. Tieh

GCAGS Transactions

... and hydrostatic gradient boundary lines on a pressure versus depth plot (Fig. 1). There are several models proposed for the cause of abnormally high...

Lithologic, mineralogical, and petrophysical characteristics of the Eau Claire Formation: Complexities of a carbon storage system seal

Ryan J. Neufelder, Brenda B. Bowen, Richard W. Lahann, John A. Rupp

Environmental Geosciences (DEG)

... fluid density versus depth for CO2 fluid assumed to be in pressure equilibrium with hydrostatic water column. Representative geothermal gradient...

Integrated Dynamic Model Simulation for Multi Layer-Partially Leaking Fault Gas Reservoirs: Unlocking West Stupa Potential, Stupa Field South Mahakam

Adnan Syarafi Ashfahani, Bambang Widjayanto, Wahyu Endarto

Indonesian Petroleum Association

..., the reservoirs are just below the Stupa Carbonates which show a hydrostatic pressure regime. However going deeper in the clastics series, a pressure...

Empowering Completion Engineers to Calibrate Petrophysical Facies Models to Hydraulic Fracturing Treatment Responses

Carrie Glaser, Joel Mazza, John Frame

Unconventional Resources Technology Conference (URTEC)

... is fracture gradient (psi/ft) URTeC 1001 7 Phydrostatic is hydrostatic pressure (psi) TVD is true vertical depth (ft) Bottom hole injectivity...

Delineation of Anomalously Pressured Gas Accumulations in the Riverton Dome Area, Wind River Basin, Wyoming

Ronald C. Surdam, Zun Sheng Jiao, Nicholas G. K. Boyd III

Wyoming Geological Association

.... That portion of the volume shown in dark gray consists of rocks with a fluid system following a hydrostatic gradient and a normal or typical...

Seepage pathway assessment for natural gas to shallow groundwater during well stimulation, in production, and after abandonment

Maurice Dusseault and Richard Jackson

Environmental Geosciences (DEG)

... not be overpressured. Some reservoirs, particularly those less than 2.5 km (∼8200 ft) deep, are under a hydrostatic pressure gradient, ranging from 10...

A preliminary assessment of regional CO2 storage potential in the onshore northern Perth Basin

Louisa Ellis, Charmaine Thomas, Julie Cass, Arthur Mory, Deidre Brooks

Australian Energy Producers Journal

... modelled temperature (°C) map showing optimum temperature (modelled), pressure (hydrostatic) and mapped burial depth contours for CO2 storage; (b...

Killing of PT–29 Burning Gas Well, Paluhtabuhan

S. Wiryodiarjo, K. Sumanta

Indonesian Petroleum Association

...). D = Depth (ft). Phydr = Hydrostatic pressure (psi). Pfr = Pressure loss (psi). Fgrad = Formation gradient. FReff = Fracture efficiency. HHP...

Geopressuring Mechanism of Organic Matter Cracking: Numerical Modeling

Xiaorong Luo , Guy Vasseur

AAPG Bulletin

... (i.e., pore pressure higher than hydrostatic pressure) plays an important role in various geological processes and can be found in basins all over...

Abstract: Seismic Guided Pore Pressure Prediction In Deepwater Block Of Mahanadi Basin; #90315 (2017)

Surya Kumar Singh, Kumar Vivek, Pinaki Basu, B.K. Mangaraj, Hari Lal

Search and Discovery.com

... interval velocity were extracted and Pore pressure is computed at these wells using parameters computed for Well-A. Subsequently, Hydrostatic pressure...

Hydrochemical and Geothermobarometric Conditions in Deep Horizons of the Carboniferous of the Southeast Part of the Dnieper-Donets Depression

V. V. Kolodiy, B. I. Mudyk, I. V. Vysochanskiy, L. I. Kornilenko, D. Ye. Nedzel’skiy

Petroleum Geology: A Digest of Russian Literature

..., no. 8, p. 41–48, 1980) In several areas of the Dnieper-Donets depression, water-bearing horizons in which formation pressure exceeds hydrostatic pressure...

Some Questions on the Formation of Oil and Gas Pools in Connection with the Geologic Histories of the Oil-Gas Regions of West Yakutia

V. Ye. Bakin, V. A. Marenin, Yu. I. Yakovlev

Petroleum Geology: A Digest of Russian Literature

.... The seal is a thick halogen-carbonate unit. Formation pressure in the carbonate reservoirs is close to the hydrostatic pressure or a little higher, whereas...