Results 211 to 220 of about 20,440 (257)

Tight gas sandstone seismic monitoring, Rulison Field, Colorado

SEG Technical Program Expanded Abstracts 2008, 2008
Rulison Field is a basin-centered gas accumulation with a long production history dating back to the 1960s (Figure 1). Production is mainly from tight gas sandstones in the Williams Fork interval (Figure 2). Natural fractures significantly enhance the relative permeability to gas.
Thomas L. Davis, Robert D. Benson
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Microcrack Permeability in Tight Gas Sandstone

Society of Petroleum Engineers Journal, 1983
Abstract A model of stress-dependent permeability was developed on the basis of flow through cracks. The compliance of the cracks is controlled by elastic deformation of a Gaussian distribution of surface asperities, indented into the opposing crack face.
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Tight Sandstone Reservoir Renaissance: Baimiao Gas Condensate Field

SPE Annual Caspian Technical Conference and Exhibition, 2014
Abstract Gas condensate has become very important because the liquid makes it a high-quality hydrocarbon fluid. Tight gas condensate reservoirs may contain large reserves, but can be extremely costly to develop. The Baimiao gas condensate reservoir is a deep, structurally complex, low- permeability play with a high condensate yield.
Heping Miao, Cameron J. McBurney, Xinrong Wu, Ruiling Wei, Yuxin Zhao   +4 more
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Pervasive Tight-gas Sandstone Reservoirs: An Overview

2008
The objectives of this chapter are threefold: (1) to provide a historical perspective on considerations of pervasive tight-gas accumulations, (2) to provide some observations on the present understanding of these accumulations, and (3) to anticipate where the industry is headed in the future.
Lawrence D. Meckel, M. Ray Thomasson
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Imaging tight gas sandstones in the East Texas Basin

First Break, 2008
Low porosity (tight) gas sands contain important commercial reserves but, unfortunately, are difficult to image seismically with the quality needed to drive an effective drilling programme. These reservoirs typically have a small contrast in acoustic impedance relative to the encasing shales which results in a subtle seismic signature.
R. Harris, J. O‘Brien
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Damage Mechanism of Drilling Fluid on Tight Sandstone Gas Layers

SPWLA 64th Annual Symposium Transactions, 2023
The evaluation of the degree of damage caused by drilling fluid to formation damage is an important work in reservoir protection, and it is also of great significance to oil and gas production. This paper explores the degree of damage caused by drilling fluid to formation damage under high-temperature and high-pressure conditions.
Jin Dai, Guangzhi Liao, Feng Wu
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Models for Saturation of the Tight Gas Sandstone Reservoir

Petroleum Science and Technology, 2014
The conventional model of formation saturation is restricted in well logging interpretation of tight gas sandstone because it is difficult to eliminate the influences of abrupt change of mineral component content. This paper studied the Triassic Xujiahe formation located in northeast Sichuan Basin, which has large variation of carbonate content between
L. Yuan, L. Sima, S. Wu
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Drainage Efficiency in Naturally Fractured Tight Gas Sandstone Reservoirs

SPE Gas Technology Symposium, 1998
Abstract Modeling of the Mesaverde Formation in the San Juan Basin, northwestern New Mexico, shows the importance of using realistic drainage patterns in a naturally fractured reservoir. Fractures not only enhance the overall porosity and permeability of these reservoirs, but fractures also create significant ...
H. Harstad, L.W. Teufel, J.C. Lorenz
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Quantifying tight-gas sandstone permeability via critical path analysis

Advances in Water Resources, 2016
Abstract Rock permeability has been actively investigated over the past several decades by the geosciences community. However, its accurate estimation still presents significant technical challenges, particularly in spatially complex rocks. In this short communication, we apply critical path analysis (CPA) to estimate permeability in porous rocks ...
Behzad Ghanbarian, Carlos Torres-Verdín, Todd H. Skaggs   +2 more
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Acoustic measures of partial gas saturation in tight sandstones

Journal of Geophysical Research: Solid Earth, 1984
The acoustic properties of tight sandstones are very sensitive to partial gas/water saturation. Measurements at 5 kHz show that compressional velocity drops sharply with undersaturation. Extensional and shear losses at 5 kHz are large in both fully and partially saturated sands. The shear loss Qs−1 declines linearly with increasing gas content.
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