Time of Oil Accumulation

A. I. Levorsen

Tulsa Geological Society

... gas must be, in large part, a function of the pressure which in turn is a function of the hydrostatic head. It is approximately proportional...

Mechanism for Conversion of Pore Clastic Reservoirs into Fracture Reservoirs

P. K. Lyakhovich

Petroleum Geology: A Digest of Russian Literature

.... In this stage the reservoirs are the clastic-pore type, hydrodynamically open. Formation pressure is close to hydrostatic, and reservoirs have maximum porosity...

ABSTRACT: Shale Gas Play Evaluation Using Basin Modeling; #90122 (2011)

G. Eric Michael and Zhiyong He

Search and Discovery.com

... the comparison between gas storage capacities of difference porosity source rocks as a function of depth (under hydrostatic pressure), in addition to the sorption...

Case History Study of Seismic-Driven 3-D MEM Calibrated with 1-D MEMs and Petrophysics in Arkoma Basin, Oklahoma

Vivek Swami, Julio Tavares, Vishnu Pandey, Tatyana Nekrasova, Dan Cook, Jose Moncayo, David Yale

Unconventional Resources Technology Conference (URTEC)

... the computation of overburden pressure (OB) (using rock bulk density) and hydrostatic (HS) pressure (using water density) curves, the pore pressure (PP...

Abstract: A New Innovating Scheme to Model Hydrocarbon Migration at Basin Scale: A Pressure-Saturation Splitting, by S. Wolf, I. Faille, S. Pegaz-Fiornet, and F. Willien; #90091 (2009)

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Underpressured Reservoirs Mapped in the United States

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Muruk 2: Drill Stem Test Design and Application

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Thermal Anomalies Associated with the Newport Inglewood Fault Zone, Long Beach Field, California, #40542 (2010)

Hilario Camacho, James R. Boles, Grant Garven

Search and Discovery.com

... thermal gradient is 0.035 C/m (0.019 F/ft). The reservoir is known to be sub-hydrostatic (as little as 20 % of hydrostatic) overlying a hydrostatically...

4D Seismic and Rock Physics Modeling Responses to Reservoir Steam Flood

Muhammad Edisar, Lilik Hendrajaya, Gunawan Handayani, Umar Fauzi, Laode Ngkoimani, Yarmanto

Indonesian Petroleum Association

... )dz (14) 0 Normal gradient is 1.0 psi/ft or 0.0225 MPa/m Hydrostatic (pore or reservoir) pressure weight of the fluid column PH = ρ fl gz (15) 13...

Poroelastic Prediction of Matrix Compressibility and Pressure Dependent Permeability: Impact on Simulated Recovery Factors in Permian Basin Resource Rocks, USA

Brian Crawford, Michael Cronin, Olabode Ijasan, Mathilde Luycx, Darren McLendon, Shreerang Chhatre

Unconventional Resources Technology Conference (URTEC)

... Pressure Buildup (a) (c) (b) (d) Figure 6. Variation of storage (UPVC) and transport (PDP) stress-sensitivity with PMF(8): (a) hydrostatic bulk...

Building Confidence in Containment Security and Reservoir Performance for CO2 Geostorage in the Surat Basin at the Regional Scale

Jonathan Hodgkinson, Vic Ziolkowski, Andrew Garnett, Sebastian Gonzalez

Petroleum Exploration Society of Australia (PESA)

.... They are Figure 6. Continuous hydrostatic gradient throughout the middle to lower Jurassic sedimentary pile of the Surat Basin. Repeat formation tests in well...

Compaction of Lithic Sands: Experimental Results and Applications (1)

EDWARD D. PITTMAN and RICHARD E. LARESE

AAPG Bulletin

... these conditions. The pore pressure (simulated hydrostatic pressure) must be controlled to simulate burial conditions. The hydrostatic gradient...

Petroleum Origin and Accumulation in Basin Evolution--A Quantitative Model

D. H. Welte, M. A. Yukler

AAPG Bulletin

.... This is called an abnormally low pressure medium. As a result there is a sharp increase in the temperature gradient on top of an abnormally high pressure medium...

Shallow Upper Cretaceous Niobrara Gas Fields in the Eastern Denver Basin

John P. Lockridge, Richard M. Pollastro

Rocky Mountain Association of Geologists

... Hydrostatic pressure gradient elevation of t2800 feet INSOLUBLE RESIDUE (WEIGHT 46) Figure 12. Plots showing general relationship of porosity versus...

The impact of organic pores on estimation of overpressure generated by gas generation in organic-rich shale: Example from Devonian Duvernay Shale, Western Canada Sedimentary Basin

Pengwei Wang, Zhuoheng Chen, Kezhen Hu, and Chen Xiao

AAPG Bulletin

...): where P is the pore pressure (in megapascals), S is the overburden stress (in megapascals), Pn is the hydrostatic pressure (in megapascals), and Δtn...

The Importance of Multi-Scale Petroleum System Assessment for Plays and Prospects De-Risking in the Eastern Mediterranean Basin, #11332 (2020).

G. Perez-Drago, N. Mouchot, M. Dubille, L. Montadert, D. di Biase, P. Lacone, M. Mazzarelli, M. Hosni, A. Thebault

Search and Discovery.com

... in the evolution of fluid flow orientation, pressure gradients, and hydrocarbon migration and dis-migration. The fluid flow is also controlled by the presence...

Fluid Dynamics for Cap-Rock Formation in Gulf Coast: GEOLOGIC NOTES

Kinji Magara

AAPG Bulletin

...------------------------------ 3,000 ft (1,000 m) where the pressure gradient is hydrostatic (0.465 psi/ft or 10.5 kPa/m). The drop of fluid pressure is about 1,000 psi (69...

Shifting of Compaction Trend in the North Sumatra Basin and its Implication to Overpressure Estimation in the North Sumatra Basin

Mohammad Syaiful, Darius G. Siahaan, Lambok M. Hutasoit, Agus M. Ramdhan, Agus Haris Widayat, Irawan Youdha Tribuana

Indonesian Petroleum Association

..., but starting from the depth of 3000 ft down to the depth of 4000 ft, where the pore pressure is still normal hydrostatic condition, the influence...

Overpressure Mechanisms in Deep Drilling in Western Offshore India, #41074 (2012)

Rajeev Ranjan Kumar, Dhiresh Govind Rao

Search and Discovery.com

... Normal pressure is pore fluid pressure that equals the hydrostatic pressure of a column of formation water extending to the surface. Overpressure is pore...

Carbon Sequestration and Enhanced Recovery Potential of Mature Coalbed Methane Reservoirs in the Black Warrior Basin

Jack C. Pashin, Marcella R. McIntyre, Richard E. Carroll, Richard H. Groshong Jr., R. Marc Bustin

AAPG Special Volumes

...., 1992), so reservoir pressure was estimated using a freshwater hydrostatic gradient of 9.795 kPa/m (0.433 psi/ft). Once data were compiled...

Disposal in the unconventional oil and gas sector: Challenges and solutions

Jon Fennell

Environmental Geosciences (DEG)

..., an assessment of theoretical injection rates was developed. This approach included a review of: initial hydrostatic pressure data for each potential disposal...

Application of Simultaneous Inversion and Geomechanical Facies in the Characterization of an Unconventional Play, #41940 (2016).

S.A. Cuervo, H. Malcotti

Search and Discovery.com

... of elastic properties away from well control. The stress regime in the study area has two distinct environments, the normal pore pressure interval, covering...

The Transition Zone and Determination of the Water-Oil Contact According to Geophysical Measurements

N. N. Sokhranov

Petroleum Geology: A Digest of Russian Literature

... of the water and oil in a uniform stratum of sandstone, the pressure of displacement is proportional to the difference in the hydrostatic pressures...

Accelerating Site Characterizations: Using Cone Penetrometer Testing and HydroPunch® to Assess the Environmental Media

Bruce Manchon

Houston Geological Society Bulletin

... from groundwater above and below the zone being sampled. The sample is collected under in-situ hydrostatic pressure with no aeration. In addition...

Filtration Properties of Rocks with Low Permeability

N. S. Gudok

Petroleum Geology: A Digest of Russian Literature

... the properties of a quasi-solid body, and ceases to transmit hydrostatic pressure. The dimensions of such pores should be controlled by the radius...