Structural evaluation of column-height controls at a toe-thrust discovery, deep-water Niger Delta

Olga V. Kostenko, Steve J. Naruk, Willem Hack, Manuel Poupon, Hans-Jurg Meyer, Miguel Mora-Glukstad, Charles Anowai, Margaret Mordi

AAPG Bulletin

... cutoffs.We use dipmeter, seismic, stratigraphic, and fluid pressure data to construct an integrated geometrically and kinematically balanced cross section...

Eastern Green River Basin: A Developing Giant Gas Supply from Deep, Overpressured Upper Cretaceous Sandstones

L. A. McPeek

AAPG Bulletin

... and Mesaverde Group. Abnormally high pressure gradients of 0.5 to 0.86 psi/ft are caused by the generation of natural gas from coals and carbonaceous...

Displacive Growth of Authigenic Pyrite

Harald Carstens

Journal of Sedimentary Research (SEPM)

.... Crystal Growth, v. 13/14, p. 441-444. GRETENER, P. E., 1976, Pore pressure: fundamentals, general ramifications, and implications for structural...

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

... hydrocarbon charged reservoir from brine reservoir. RMS Velocity field is main driver of VVO or VVA. It is generated automatically from Normal Move Out (NMO...

Depths of Oil Origin and Primary Migration: a Review and Critique

Robert J. Cordell

AAPG Bulletin

... pressure in excess of hydrostatic develops in the associated muds. An example is the Pedernales, Venezuela, locality, where Kidwell and Hunt (1958...

Lower Cretaceous gas shales in northeastern British Columbia, Part II: evaluation of regional potential gas resources

Gareth R. L. Chalmers, R. Marc Bustin

CSPG Bulletin

... range between 0.03 and 1.86 cm3/g, with an average of 0.53 cm3/g at hydrostatic pressure. Porosity of the shale is between 0.7 and 16% and averages 6.5...

Uncertainty – Shale Pore Pressure from Borehole Measurements, by Martin D. Matthews, #40163 (2005).

Search and Discovery.com

Reservoir Property Implications of Pore Geometry Modification Accompanying Sand Diagenesis: Anahuac Formation, Louisiana: Part 3. Applications in Exploration and Production

Michael T. Holland

AAPG Special Volumes

... that compaction of the sandstone proceeded to these depths under a normal hydrostatic formation pressure gradient (0.465 psi/ft), then the formations were...

Temperature and pressure characteristics of Ordovician gas condensate reservoirs in the Tazhong area, Tarim Basin, northwestern China

Yifeng Liu, Nansheng Qiu, Wenxuan Hu, Huili Li, Fangyu Shen, and Qianying Yao

AAPG Bulletin

... from the normal (or freshwater) hydrostatic gradient (9.8 MPa/km [0.433 psi/ft]) from a depth of approximately 2500 m (∼8200 ft). The pressures measured...

A Collaborative Study on DFIT Interpretation: Integrating Modeling, Field Data, and Analytical Techniques

Mark McClure, Vidya Bammidi, Craig Cipolla, Dave Cramer, Lucas Martin, Alexei Savitski, Dave Sobernheim, Kate Voller

Unconventional Resources Technology Conference (URTEC)

.... Multiphase flow is described with the black oil model or the compositional model. Fracture walls come out of contact when fluid pressure exceeds normal...

Laboratory deformation of granular quartz sand: Implications for the burial of clastic rocks

Stephen L. Karner, Judith S. Chester, Frederick M. Chester, Andreas K. Kronenberg, Andrew Hajash Jr.

AAPG Bulletin

... assume a representative lithostatic gradient of 23 MPa/km of burial depth and a fluid pressure (or hydrostatic) gradient of 11 MPa/km (Figure 12a). Also...

Integration of Geologic Model and Reservoir Simulation, Popeye Field, Green Canyon 116

Beth Yuvancic-Strickland, Eric Kuhl, Tin-Wai Lee, Benjamin Seldon, Peter B. Flemings, Turgay Ertekin

GCAGS Transactions

... of a regional growth fault (Fig. 3). The RM and RN reservoirs are bounded on the west by a normal fault that dips to the southwest. Smaller faults...

Kapuni Field

W. O. Abbott

AAPG Special Volumes

... sandstone). RESERVOIR Reservoir pressures in the onshore Kapuni field are somewhat above hydrostatic, the pressure gradient being 0.526 psi/ft (6500...

The Elements of the Oil-Well-Spacing Problem. A Summary of the Factors Influencing the Distance Apart at Which Oil Wells May Be Economically Spaced

Lester C. Uren

AAPG Bulletin

... is capable of dissolving about half of its volume of natural gas at normal atmospheric temperature and pressure. At higher pressures, according...

Automation of Logging While Drilling Formation Testing: A Step Ahead Towards Digitalization

Saunil Rajput, Arvind Kumar, Poorna Venkata Sai Teja Nukala, Vaibhav Deshpande, Velerian Sanjao Lopes

Unconventional Resources Technology Conference (URTEC)

... the connectivity and fluids contact levels across the field. These pressure profiles, delineating gradients, and contact points, in conjunction...

Failure of cap-rock seals as determined from mechanical stratigraphy, stress history, and tensile-failure analysis of exhumed analogs

E. S. Petrie, J. P. Evans, and S. J. Bauer

AAPG Bulletin

... = 0.25), and is hydrostatic pore-fluid pressure (Anderson, 1951; Eaton, 1969; Engelder, 1993). The stress-history models are based on burial-history...

Fault zone deformation controlled by carbonate mechanical stratigraphy, Balcones fault system, Texas

David A. Ferrill, Alan P. Morris

AAPG Bulletin

... 3 Normal faults in Cretaceous carbonates in the Balcones fault system provide important analogs for fault zone architecture and deformation...

Electrical Well Logging

Houston Geological Society Study Group

AAPG Bulletin

..., occur (Fig. 1). 1. If the formation pressure is higher than the hydrostatic head, the formation discharges fluid into the hole, and the diagram...

Identification and calculation of transfer overpressure in the northern Qaidam Basin, northwest China

Changyu Fan, Zhenliang Wang, Aiguo Wang, Suotang Fu, Liqun Wang, Yongshu Zhang, Hongxi Kong, and Xiao Zhang

AAPG Bulletin

...) for the calculation of hydrostatic pressure. Well EI2 of the Eboliang I structure developed overpressure at 1000–3000 m (3280.84–9842.52 ft) (Figure...

Prospects of Dnieper-Donets Depression for Gas of Central-Basin Type

Yu. B. Kobyshev

Petroleum Geology: A Digest of Russian Literature

... for this mega-isolated complex is the presence of abnormally high formation pressure. Normal hydrostatic pressures are found above and below this complex...

An Analysis of the Roles of Stress, Temperature, and pH in Chemical Compaction of Sandstones: REPLY

Heather A. Sheldon,, John Wheeler, Richard H. Worden, Michael J. Cheadle

Journal of Sedimentary Research (SEPM)

... thrust belt, NW Spain: Journal of Structural Geology, v. 21, p. 653-670. HICKMAN, S.H., AND EVANS, B., 1995, Kinetics of pressure solution at halite...

Porosity, Permeability, and Rock Mechanics Characteristics of Deep Shales Under High-Temperature and High-Pressure Conditions

Chuanxiang Sun, Haikuan Nie, Wei Du, Zongquan Hu

Unconventional Resources Technology Conference (URTEC)

... experiments under different temperature-pressure gradients and triaxial compression experiments were carried out, with 160° and 110 MPa as the maximum...

Integrated Managed Pressure Drilling Planning and Deployment for Deepwater Drilling in Offshore Bali - Indonesia

Ida Bagus Ari Kresnawan, Koji Takase, Donny Gultom, Fikri Irawan

Indonesian Petroleum Association

...Integrated Managed Pressure Drilling Planning and Deployment for Deepwater Drilling in Offshore Bali - Indonesia Ida Bagus Ari Kresnawan, Koji...

Theory of Paleozoic Oil and Gas Accumulation in Big Horn Basin, Wyoming

D. S. Stone

AAPG Bulletin

...); (3) pressure gradients in the water phase of the different zones; and (4) level of water encroachment in the different zones, which reflects...

5.0 References

P. E. Gretener

AAPG Special Volumes

.... A., Ingram, D. S. and Zanier, A. M., 1973, Determining Fracture Pressure Gradients from Well Logs; JPT, Nov., p. 1259-1268. Atwater, G. I. and Miller, E. E...