ABSTRACT: DECOMPRESSION OF ROCKS AS A RESULT OF FLUIDS OPERATING UNDER HIGH PRESSURE IN THE EARTHS CRUST; #90011 (2002)

A. А. Orlov, V. G. Omelchenko, A. M. Karpenko, M. V. Lakhy, A. M. Trubenko

Search and Discovery.com

... compression; 2 - real compression; 3 - normal hydrostatic pressure in deposits; 4 – abnormality of pressure in depositions, which are determined...

Evolution of Sedimentary Basins from the Standpoint of Petroleum Origin and Accumulation - A Three-Dimensional Quantitative Basin Study

D. H. Welte, M. A. Yükler

Special Publications of SEPM

... gradient. In an abnormally low pressure medium, pore space is reduced so thermal conductivity is kept higher than in a normal pressure medium...

Altamont-Bluebell: A Major Fractured and Overpressured Stratigraphic Trap, Uinta Basin, Utah

Peter T. Lucas, James M. Drexler

Rocky Mountain Association of Geologists

... fractures and initial fluid pressure gradients which sometimes exceed 0.8 psi per foot. The crude has a high parafin content, resulting in pour-points over...

Ground-Water Flow and the Geothermal Regime of the Floridian Plateau (1)

F. A. Kohout

GCAGS Transactions

... aquifer permits ground-water flow to anomalously affect the geothermal profile to a depth of 3,300 feet, whereas more normal temperature gradients...

Thermal maximum and overpressure of the Wolfcamp formation in the Delaware Basin of Texas and New Mexico through age and temperature of beef calcite veins

Alex M. Washburn, Paul J. Sylvester, Zsófia Poros, and Kathryn E. Snell

AAPG Bulletin

... of hydrostatic pressure, or the pressure resulting from a column of water equivalent to the depth of consideration. Overpressure is commonly observed in organic...

Role of Geopressure in the Hydrocarbon and Water System

Paul H. Jones

AAPG Special Volumes

... basin is found in reservoirs having fluid pressure reflecting pressure gradients less than 0.7 psi/ft. ORIGIN AND PRESERVATION OF GEOPRESSURE...

Enhanced Productivity of the Telisa Sand Through Improved Fracture Stimulation Technique

Brad P. Malone, Mark Kovar, Martias Djabar, Achmad Mansur

Indonesian Petroleum Association

... by a computer to adjust for changes in hydrostatic head and friction pressure. This calculated pressure is then used to make decisions concerning...

Possible Mechanism for Concentration of Brines in Subsurface Formations

J. D. Bredehoeft , C. R. Blyth , W. A. White , G. B. Maxey

AAPG Bulletin

... than those of normal sea water, which has a chloride concentration of approximately 19,000 ppm and a total dissolved solid concentration of 34,500 ppm...

Quantitative Determination of Reservoir Pressures from Conductivity Log

J. R. MacGregor

AAPG Bulletin

... of the pressure abnormality. Plotting of pressure gradients (calculated from measured reservoir pressure and depths) vs. conductivity deviation in 41...

The Implementation of Underground CO2 Sequestration: Analysis of Caprock Leakage on the Todilto Shale of San Juan Basin

Irma Primasari, William Ampomah, Her Yuan Chen, Jiawei Tu, Dung Bui, Dana Ulmer-Scholle, Shaoping Chu

Carbon Capture, Utilization and Storage (CCUS)

... reservoir will follow a normal or under-pressure gradient, a hydrostatic condition that is suitable for this study. Thus, this study will use...

Oil Recovery Efficiency and the Rock-Pore Properties of Some Sandstone Reservoirs

N. C. Wardlaw, J. P. Cassan

CSPG Bulletin

... injection pressure with oil and water volumes recorded versus time. Displacement was rapid, compared with normal displacement rates in a reservoir...

Pressure Cell Mapping as a Tool for Evaluating Remaining Exploration Potential: Example from the Pre-Cretaceous Series in the

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Hydrodynamics of Denver Basin: Explanation of Subnormal Fluid Pressures

Kenneth Belitz, John D. Bredehoeft

AAPG Bulletin

.... Downward flow, however, does not typically generate large departures from the hydrostatic gradient. Large departures from normal fluid pressure require...

Velocity for Pore Pressure Prediction Modeling and Risk Assessment; #41819 (2016).

Selim Simon Shaker

Search and Discovery.com

...=-+- - + - -I A ~ 4000 Hydrodynamic 8000 l-----4---l------I-, ~=--I--_I B --- :::; Transition D Fertl 1976 Normal Pressure Free Flow 30 ΔT...

Bekapai-11: An Example of Drilling a High Pressured Well in Weak Formations

Budi Suryodipuro

Indonesian Petroleum Association

... in drilling this zone stems from the fact that: the porous zones have a hydrostatic pressure the mud weight to be increased to hold the shales...

Analytical Study of Overpressured Area in Bombay Offshore Basin

Bhagwan Sahay

Southeast Asia Petroleum Exploration Society (SEAPEX)

..., otherwise they can give rise to overpressured zones. The formation pressure encountered range from 1.16 to as high as 2 times more than hydrostatic...

The effects of salt evolution, structural development, and fault propagation on Late Mesozoic-Cenozoic oil migration: A two-dimensional fluid-flow study along a megaregional profile in the northern Gulf of Mexico Basin

S. Cheree Stover, Shemin Ge, Paul Weimer, Barry C. McBride

AAPG Bulletin

... of listric and normal faults, strongly impacted the oil migration patterns. Penetration of high excess-pressure regimes by both listric and normal faults...

Estimation of 3D Distribution of Pore Pressure from Surface Drilling Data - Application to Optimal Drilling and Frac Hit Prevention in the Eagle Ford

James Kalinec, Mohit Paryani, Ahmed Ouenes

Unconventional Resources Technology Conference (URTEC)

... from the drilling efficiency trendline capture the variations of the estimated pore pressure from the normal hydrostatic pressure and is computed...

Seal failure assessment of a major gas field via integration of seal properties and leakage phenomena

M. Foschi, and J. A. Cartwright

AAPG Bulletin

... by the continuous and linear gas pressure gradients across these two sand-rich formations (Figure 6A). Reserves of 7.3 tcf of dry gas (95% methane, ∼4...

Well Control Approach in Slim Hole Wells Applications and HP Environment

Andre Glowacz, Bernard Lopez, Christian Baranthol

Indonesian Petroleum Association

..., by analogy we can say that: - - - The annular pressure will arrive zero before mud dr on the surface at a vertical depth or the hydrostatic loss...

Onshore Kutai Basin Pore Pressure Synthesis and Hydrocarbon Accumulation

Irawan Youdha Tribuana, Danny Nursasono, Arrie Kurniawan, Yoseph Robby Apranda, Hafizhan Ihsandani

Indonesian Petroleum Association

... is the "Accumulation Zone," which extends from the hydrostatic pressure regime to the top of hard overpressure zone. The zone occurs due to the chemical...

Generation, Accumulation, and Resource Potential of Biogenic Gas

Dudley D. Rice, George E. Claypool

AAPG Bulletin

... gradients associated with overlying water depths of 0 to 4,000 m. The pressure gradient is assumed to be hydrostatic (0.1 atm/m) and a geothermal gradient...

Cross-Formational Fluid Flow and the Generation of a Saline Plume of Formation Waters in the Mannville Group, West-Central Alberta

B. J. Rostron, J. Toth

CSPG Special Publications

...) illustrate measured vertical pressure gradients apparently less than the nominal value for this aquifer. This generally would indicate downward fluid flow...

Compaction and Micromechanics of a Mudstone Reservoir

Evan M. C. Kias, Jose Hasbani, John Degenhardt, Roberto Suarez-Rivera

Unconventional Resources Technology Conference (URTEC)

.... Sample properties and test parameters for Indiana limestone sample. IL-H 2.740 13.64 Hydrostatic Confining Pressure (kpsi) 0-16.5 IL-0.75 2.270...

Hydrocarbon Generation as a Mechanism for Overpressuring in Rocky Mountain Region

Charles W. Spencer

AAPG Bulletin

... is higher than normal pre sure gradients in the Tertiary and Cretaceous examples shown in this paper. The pore-pressure anomaly in the Bakken is obvious...