Predicting Pore Pressure in Carbonates: A Review; #41830 (2016)

Sam Green, Stephen A. O'Connor, Alexander P. Edwards

Search and Discovery.com

... formation the pressure regime can vary dramatically, e.g., Khuff Formation. Even in those reservoirs where pressures are essentially normal...

Killing of PT–29 Burning Gas Well, Paluhtabuhan

S. Wiryodiarjo, K. Sumanta

Indonesian Petroleum Association

... such that the sum of the frictional and the hydrostatic pressure exceeds the static formation pressure until a heavier mud can replace the lighter dynamic kill...

Well Servicing by Pump Down Techniques

G. M. Raulins

Indonesian Petroleum Association

... impede or even halt operations at a critical point. Even during normal operation where work can be accomplished with little more than circulating pressure...

Reservoir Mechanisms of Unconventional Gas Injection EOR; Insights From Field Trials in the Eagle Ford

David E. Haddad, Hui Long, Rachana Agrawal, Harish T. Kumar

Unconventional Resources Technology Conference (URTEC)

..., which were used in wellbore hydraulic models. Three components (hydrostatic, friction and acceleration) describe the pressure drop within...

Oomoldic Porosity Experimentally Developed in Mississippian Oolitic Limestone

Fred A. Donath, Albert V. Carozzi, Lester S. Fruth, Jr., David W. Rich

Journal of Sedimentary Research (SEPM)

... must be subjected simultaneously to a hydrostatic lateral confining pressure, to a somewhat greater axial pressure that simulates the load...

Fluid-Release Mechanisms in Compacting Marine Mudrocks and Their Importance in Oil Exploration

Maurice C. Powers

AAPG Bulletin

...) and, as depths increase below that level, increasing numbers of fluid-pressure values are closer to the normal hydrostatic pressure curve. This trend suggests...

Extended Abstract: Methane Drainage - Developments in the Northern Bowen Basin

R. M. Bell

Petroleum Exploration Society of Australia (PESA)

... water in The amount of gas stored in coals is influenced by depth of its related pressure, time-maturity relationship. rank, porosity...

Forced Fluid flow and Diagenesis in Porous Reservoirs Controls on the Spatial Distribution

J. R. Wood, T. A. Hewett

Special Publications of SEPM

... field induces a lateral change in the fluid density which cannot be balanced by the normal hydrostatic gradient. Convective fluid flow can also occur...

Through-Casing Formation Tester Provides Answers for Rejuvenation of a Mature Oilfield

Sameer Joshi, Htun Aung Kyaw, Troy Fields, Warren Johnston, Solechuddin, Kosim Kosasih, Ermawan Maulana

Indonesian Petroleum Association

... hydrostatic pressure. It is then set and a small pretest volume taken to check the seal between packer and casing. Since the seal is good...

Finding Bypassed Oil in a Mature Field -- Casabe Field, Middle Magdalena Valley Basin, Colombia.

J. Peralta-Vargas, G. Cortes, W. Gambaretto, L. Martinez Uribe, F. Escobar, M. Markley, A. Mesa Cardenas, A. Suter, L. Marquez, M. Dederle, E. Lozano G.

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... showing pressure data, oil-normal gradient and hydrostatic pressure. Abnormal pressures data are identified close to faults. Nuclear Magnetic Resonance...

Overpressure in Southern Part of Northeast Java Basin, An Anomaly?

Rizky Ferdiansyah, Agus M. Ramdhan

Indonesian Petroleum Association

... in area with Basement high or thick carbonate build-up of Kujung Formation typically had hydrostatic pore pressure (Ramdhan, et al., 2013) and also...

Bisti Carson Unit Gallup (Oil), T. 25 N., R. 11-12 W., NMPM San Juan County, New Mexico

Carl O. Collins

Four Corners Geological Society

... (normal hydrostatic gradient would yield a pressure of approximately 2,140 psi). In December, 1958, the unit reached peak production and then began...

Depositional Units in Fluvio - Lacustrine Reservoirs and Their Use as Equilibrium Regions: A Case Study in San Jorge Basin, Argentina, #30294 (2013)

Ramiro G. Lopez, Esteban Fernandez Righi

Search and Discovery.com

... of the original reservoir pressure. • From this data, it was recognized that bodies from the same depositional unit were not in hydrostatic equilibrium...

Permeability Evolution during Deformation of Siliciclastic Sandstones from Moab, Utah

O. Kwon, B. T. Ngwenya, I. G. Main, S. C. Elphick

AAPG Special Volumes

... of intermediate stress (2) and minimum stress (3) is applied radially as a confining pressure (Pc = 2 = 3). All tests were loaded initially to hydrostatic...

Additional Applications on Determining Optimal Lateral Lengths and Trajectories on University Lands Delaware Basin

Yogashri U. Pradhan, Hongjie Xiong

Unconventional Resources Technology Conference (URTEC)

... as a reference. Then the group subtracted the hydrostatic and significant frictional pressure losses to get an accurate estimate of the pressures...

Abstract: Overpressure Conditions and Reservoir Compartmentalization on the Scotian Margin; #90187 (2014)

Carla Dickson and Grant Wach

Search and Discovery.com

... pressures exceeding the expected hydrostatic pressures are present in some wells but not in others; the regional pressure gradient and distribution...

Origin of Reservoir Fractures in Little Knife Field, North Dakota

W. Narr , Robert C. Burruss

AAPG Bulletin

...), which indicates their age is post-Mesozoic; (2) the pore-fluid pressure gradient was normal hydrostatic immediately after, if not during, fracture...

Mechanical Versus Thermal Cause of Abnormally High Pore Pressures in Shales: REPLY

Richard E. Chapman

AAPG Bulletin

... been noted that the pressure-depth gradient in the transition zone from normal to abnormal pressures exceeds the overburden gradient...

Mechanical Stratigraphy and Stress History of Cap-rocks: Analysis of Exhumed Analogs in Central and Southeastern Utah and Implications for CCS; #80336 (2013)

Elizabeth S. Petrie and James P. Evans

Search and Discovery.com

.... As lithostatic load increases with burial depth the potential for initiation of natural hydrofractures increases because the excess pressure above...

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

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

GCAGS Transactions

... than the normal hydrostatic pressure (commonly 0.465 psi/ft in the Gulf Coast area). The total pressure is the sum of the hydrostatic (fluid pressure...

Depths of Oil Origin and Primary Migration: A GEOLOGIST'S DISCUSSION

Richard E. Chapman

AAPG Bulletin

... gradient. The normal hydrostatic pressure gradient is not a barrier (or even an impediment) to the migration of fluid down the flank of an anticline...

Manage the Pressure„Drive the Results

Christopher James Bernard, Randy Lovorn, Derrick Lewis, Emad Bakri, Saad Saeed

Unconventional Resources Technology Conference (URTEC)

... density than that employed for normal overbalanced drilling, a hydrostatic overbalance is required when tripping to avoid a kick or stability issues...

Segno Field, Polk County, Texas

Kenneth L. Gow

Houston Geological Society

... Initially all reservoirs had normal hydrostatic bottom-hole pressures. North of the fault the Yegua oil sands have an effective water-drive, and since...

Geological Controls and Variability in Pore Pressure in the Deep-Water Gulf of Mexico, by Michael A. Smith #10029

Search and Discovery.com

Thermal and Chemical Evolution of Hydrothermal Fluids at the Ophir Hill Mine Ophir District, Utah

Paula N. Wilson, W. T. Parry

Utah Geological Association

... and salinity and by an increase in CO2 content. Pressure varied from hydrostatic at 120 bars (depth of approximately 1.3 km) to partially lithostatic...