Main Causes for Predominance of Oil or Gas in the Sub-Salt Sediments of the Peri-Caspian Depression

L. G. Kiryukhin, V. V. Payrazyan, A. A. Razmyshlyayev, Yu. G. Takayev

Petroleum Geology: A Digest of Russian Literature

... to the level of the hydrostatic pressure in the Moskovian-Gzelian carbonates of the Zhanazhol field led to a three-phase formation system. The Kenkiyak...

Oil Generation Rates and Subtle Structural Flexure: Keys to Forming the Bakken Sweetspot in the Parshall Field of Mountrail County, North Dakota; #20094 (2010)

Stephan H. Nordeng, Julie A. Lefever, Fred J. Anderson, Eric H. Johnson

Search and Discovery.com

... & Tmax Pressure Depth Relationship in the Bakken Fm. – Parshall Field • The heavy line on the left corresponds to a hydrostatic gradient of 0.465 psi...

Discussion of Data Indicating Processes of Vertical Migration

C. V. Millikan

Tulsa Geological Society

... of pressures in reservoirs will give definite information as to whether vertical migration is present in any particular area. I believe the pressure data...

Effect of Biogenic Methane on Sediment Instability in Modern Delta Sediments: ABSTRACT

Thomas Whelan, III

AAPG Bulletin

..., mudslides, or other changes in hydrostatic pressure, where bubble combination can occur. Gas pressures are important in decreasing the effective stress...

Abstract: Pore Pressure Patterns in Tertiary Aquifers and Hydrodynamic Implications, Beaufort Sea and Mackenzie Delta Basin, Canada; #90211 (2015)

Zhuoheng Chen, Kirk Osadetz, Dale Issler, and Stephen Grasby

Search and Discovery.com

...Abstract: Pore Pressure Patterns in Tertiary Aquifers and Hydrodynamic Implications, Beaufort Sea and Mackenzie Delta Basin, Canada; #90211 (2015...

Stratigraphic Distribution of Hydrocarbons with Differing API Gravities in the East Texas Basin

Rob Conti

GCAGS Transactions

.... There is no vertical differential in geothermal gradient due to differing lithologies. Hydrostatic-pressure gradient equals .465 pounds per square inch per foot...

The function of faults in hydraulic hydrocarbon entrapment: Theoretical considerations and a field study from the Trans-Tisza region, Hungary

Brigitta Czauner, Judit Madl-Szonyi

AAPG Bulletin

...-permeability fault), pressure data from both aquifers define a hydrostatic vertical gradient on a pressure elevation plot (Figure 1C). However, pressure...

Pressure and Basin Modeling in Foothill Belts: A Study of the Kutubu Area, Papua New Guinea Fold and Thrust Belt

Jean-Paul Callot, William Sassi, François Roure, Kevin Hill, Nigel Wilson, Renaud Divies

AAPG Special Volumes

... with mainly dominantly hydrostatic pore fluid pressures. However, this process develops a regional pressure seal localized where the vertical...

Paleohydrogeological and thermal events recorded by fluid inclusions and stable isotopes of diagenetic minerals in Lower Cretaceous sandstones, offshore Nova Scotia, Canada

Atika Karim, Jacob J. Hanley, Georgia Pe-Piper, David J. W. Piper

AAPG Bulletin

... for the maximum trapping temperature (Ttr max); the minimum possible fluid pressure is hydrostatic. To evaluate conditions at the time of entrapment...

New Insights into the Bakken Play: What Factors Control Production?; #80332 (2013)

Cosima Theloy and Stephen Sonnenberg

Search and Discovery.com

... Gradient (psi/ft) 92 BHP and DFIT data points + 6 hydrostatic points at eastern margin + 6 Sanish-Parshall points No DST data Pressure - Depth...

Possible Causes of Velocity Mis-Ties

R. A. Broding

Oklahoma City Geological Society

... the formation and the bore hole hydrostatic pressure of less than 5%, which would result in errors of less than 1%. This value was arrived at from Hicks(4...

Case Study and Analysis of Bottomhole Pressure Management During Drillstring Connections Made in a Managed Pressure Drilling Operation in Indonesia

Joydi MirzaZein, Ardia Karnugroho, Julius Sosa, Julmar Shaun Toralde

Indonesian Petroleum Association

... Pressure : Hydrostatic Pressure : Annulus Pressure Loss : Surface Back Pressure Hydrostatic pressure is generated by the height of fluid column...

Expulsion from the Source Bed--Primary Migration: Chapter 8: Part I. Genesis of Petroleum, Compiled by Robert H. Dott

AAPG Special Volumes

... in a reservoir bed on the way up. In a closed, completely saturated system under uniform hydrostatic pressure, escape downward is less obvious because...

Hydrogeology, Geopressures and Hydrocarbon Occurrences, Beaufort-Mackenzie Basin

Brian Hitchon, J.R. Underschultz, Stefan Bachu, C.M. Sauveplane

CSPG Bulletin

... of the geopressure zones along two cross-sections (B-B and F-F of this paper, Fig. 2) by means of pressure-head vs. depth, pressure-gradient vs. depth...

Gas-Charging of Late Pleistocene Shelf-Edge Delta Reservoirs and Dissociation of Gas Hydrate, Northeastern Gulf of Mexico

Harry H. Roberts, Richard H. Fillon, Larry Cathles III

GCAGS Transactions

... at and below the sea floor are determined by water temperature, hydrostatic pressure and the geothermal gradient. Kvenvolden and Lorenson (2001) present...

Phase Changes in Fluid Inclusions: The Basics

Robert H. Goldstein, T. James Reynolds

Special Publications of SEPM

... for each kilometer of burial depth. Pressure during burial normally is between a hydrostatic gradient of about 100 bars/km and a lithostatic gradient...

Corpus Christi Structural Basin Postulated from Salinity Data

W. Armstrong Price

AAPG Special Volumes

... of saturation. It is not under hydrostatic pressure. This water may be great in amount. It has been called vadose water. Upper zone of saturation: The permeable...

Corpus Christi Structural Basin Postulated from Salinity Data

W. Armstrong Price

AAPG Bulletin

... interstices. The molecular forces prevent this water from being drawn down by gravity to the zone of saturation. It is not under hydrostatic pressure...

A Porosity Based Pore Pressure Estimation in an Indonesian Carbonate Reservoir

Sunawar Kunaifi, Krishna Pratama Laya, Sarvagya Parashar, Luqman, Banu Andhika

Indonesian Petroleum Association

... (Eq. 4) = Gravitational Constant = Bulk density logs values A comprehensive understanding of hydrostatic pressure or normal pore pressure is crucial...

A Possible Mechanism Relating Progradation, Growth Faulting, Clay Diapirism and Overthrusting in a Regressive Sequence of Sediments

Gerard C. Dailly

CSPG Bulletin

... of the under-compacted shale in the direction of the lower pressure gradient, which is at sea bottom at the extremity of the sand wedge, occurs. Therefore...

Integrated Pre-Drill and Real-Time Geomechanical Modelling Brings Significant Benefits to Deepwater Wildcat Exploration Drilling Campaign „ A Case Study

M. Sadegh Asadi, Amitava Ghosh, Sanjeev Bordoloi, Michael Reese

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., the operating safety margin between pore pressure and fracture gradient (PPFG) decreases as water depth increases (Huffman 2002; Ghosh et al. 2014). Moreover...

CO2 Storage Potential and Mixed Gas Conditions of Eastern Australian Coals

A. Sagha

Petroleum Exploration Society of Australia (PESA)

... as a function of depth. the adsorption capacity it is assumed that the hydrostatic pressure equals the gas pressure at sample depth. In Figure 3...

Practical Aspects of Geothermometry

Robert H. Goldstein, T. James Reynolds

Special Publications of SEPM

... the isochore drawn. l f one were to apply a pressure correction based on a present day hydrostatic thermobaric gradient of 50 "Cll00 bars, one would...

Production Testing: Part 9. Production Engineering Methods

David E. Lancaster

AAPG Special Volumes

... hydrostatic mud pressure (pihm) while going into the hole. The initial flow period (pif1 to pff1) is a short production period, usually only 5 to 10 min...

Evaluating the Potential of Co-Located Non-Petroleum Energy Resources in the Gulf Coast Using Play Fairway Analysis

Rand D. Gardner and Justin E. Birdwell

GCAGS Transactions

... supercritical CO2 conditions less than 80% of the fracture gradient. Areas with pore pressure between 80% and 100% of the fracture gradient are considered...