Factors linking the static and dynamic elastic stiffness of shale: An experimental study on shales

Xuan Qin, Yonghao Zhang, De-hua Han1

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and Cycle 5 of SAED, where the deviatoric stress was 20 MPa. Therefore, the stress path, loading or unloading, had a negligible effect on the wave velocity...

Acoustic and Related Properties of Calcareous Deep-Sea Sediments

Edwin L. Hamilton, Richard T. Bachman, Wolfgang H. Berger, Thomas C. Johnson, Larry A. Mayer

Journal of Sedimentary Research (SEPM)

... Challenger: London, Longmans, 525 p. NUR, A., AND SIMMONS, G., 1969, The effect of saturation on velocity in low porosity rocks: Earth Planet. Sci...

Focal Mechanism Determination and Stress Inversion for Induced Seismicity Related to Shale Gas Hydraulic Fracturing

Yuyang Tan, Jun Hu, Zhengguang Zhao, Lei Li

Unconventional Resources Technology Conference (URTEC)

... of the horizontal components are not used because their orientations are not reliably calibrated. The velocity model used in the calculation...

Drawdown Optimization in Unconventional Wells Using Coupled Reservoir and Surface Modeling

Saeid Khorsandi, Yula Tang, Yan Li, Yuguang Chen, Anurag Shrestha, Kainan Wang, Jianlei Sun, Shengkai Duan

Unconventional Resources Technology Conference (URTEC)

...), and economics. Optimizing this strategy requires a scalable model that accounts for multiphase flow, PVT effect, geomechanical damages, proppant flowback...

The pore pressure regime of the northern Gulf of Mexico: Geostatistical estimation and regional controls

Scott Morris, Brian Vestal, Kelsey O’Neill, Michael Moretti, Cesar Franco, Nathan Hitchings, Jianmin Zhang, and John D. Grace

AAPG Bulletin

... initial hydrocarbon reservoir pressure gradient values and 43,276 observations on drilling fluid (mud) weight. Because of the acute importance...

Behavior of Fluids in Oil Reservoirs

T. V. Moore

AAPG Bulletin

... of this discussion. At least two conditions are necessary to permit the flow of oil to a well. 1. An hydraulic gradient must exist between the well...

Section Two: Enclosing Sediment Variations

New Orleans Geological Society

... salt diapirs generally occur over a narrower horizontal distance than on non-penetrant structures and thus are more obvious and important. All normal...

Difference in overpressure environments for the western and central deep-water Gulf of Mexico

Sharon Cornelius and Peter A. Emmet

AAPG Bulletin

... velocity section from which a velocity versus depth plot can be derived (Shykhaliyev et al., 2010). Many terms are used describe subsurface pressure...

Some Structural Features of the Intrusions in the Iron Springs District; Guidebook to the Geology of Utah, Number 2

J. Hoover Mackin

Utah Geological Association

... is in the velocity gradient zone adjacent to the roof, which acts as a friction exerting wall; effect of the floor is neglected in the diagram. Sub...

How Reliable Is The Negative Anisotropy In Carbonate Rocks? - Offshore East Java Basin Case Study

Jun Wang, Yonghe Guo, Pongga Wardaya, M Afiq B Mokhtar, Riaz Alai, Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

... structure without pull up effect. Figure 2a shows the comparison of final and initial velocity; the final velocity matches the well, and the check-shot mis...

Relationships Between Wave-Induced Currents and Sediment Grain Size on a Sandy Tidal-Flat

G.C. Malvarez, J.A.G. Cooper, D.W.T Jackson

Journal of Sedimentary Research (SEPM)

... velocity showed a distinctive variation in correlation coefficients according to water level. The best (and statistically significant) correlations occur...

Subsurface Geotechnical Hazards in Petroleum and Geothermal Development

Robert C. Erickson

AAPG Special Volumes

..., Los Angeles basin earthquake of Oct. 21, 1941, and its effect on certain producing wells in Domingues field, Los Angeles County, California: AAPG...

The Geophysicist Communicating with Seismic Processing

R. E. Sheriff

Southeast Asia Petroleum Exploration Society (SEAPEX)

... makes possible, for example, accessing a velocity model of a prospect for seismic reduction processing, log analysis, modelling, or drilling...

Backset Bedding in Turbidites: A Further Example from the Cloridorme Formation (Middle Ordovician), Gaspe, Quebec

Keith Skipper , S. B. Bhattacharjee

Journal of Sedimentary Research (SEPM)

...) the maximum density of the basal layer, (3) the maximum density contract between layers, and (4) the velocity gradient. From a previous discussion (Hand...

Basement Tectonics and Fold Patterns--Kinematic-Model Approach: ABSTRACT

E. S. T. O'Driscoll

AAPG Bulletin

... may undergo both positive and negative accelerations while maintaining positive velocity. The effect of relative reversals of movement is equivalent...

Seismic Interpretation Methodology for Fluvial Sandstone Reservoirs in Widuri Field, Offshore Southeast Sumatra, Indonesia

D. C. Carter, W. E. Harmony, L. Harvidya, G. Juniarto, S. Lestari, A. Purba

Indonesian Petroleum Association

... changes in the stratigraphic thickness of thick beds, lateral velocity variations, and lateral phase changes, which produce locally non...

Integrate sweet spot seismic prediction with microseismic monitoring to apply to lacustrine shale in Sichuan Basin of China

Kai Xu, Zhentao Sun, Shixing Wang, Yu Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the effect of hydraulic fracturing. Aim at the main geophysical problems, firstly, we use the engineering “sweet spot” seismic prediction technology to look...

Vertical and Lateral Seismic Resolution and Attenuation: Part 7. Geophysical Methods

R. E. Sheriff

AAPG Special Volumes

... and a 15-Hz wavelet. Resolution decreases rapidly with depth because velocity increases and frequency decreases. HORIZONTAL RESOLUTION The waves giving...

Auto-Optimization of Hydraulic Fracturing Design with Three-Dimensional Fracture Propagation in Naturally Fractured Multi-Layer Formations

Jiacheng Wang, Jon E. Olson

Unconventional Resources Technology Conference (URTEC)

..., modern hydraulic fracture models for horizontal wells simulate multiple hydraulic fracture propagation and the mechanical interactions between them (Wu...

West Muiron Discovery, WA-155-P - New Life for an Old Prospect

Lorraine Mitchelmore, Neville Smith

Petroleum Exploration Society of Australia (PESA)

... Carbonate interval velocity map. A SE-NW velocity gradient of approximately 50 m/s/km is observed over the field. 590 West Muiron Discovery w 0 19...

Venture Gas Field, Offshore Nova Scotia: Case Study of Overpressuring in Region of Low Sedimentation Rate

Brett S. Mudford , Melvyn E. Best

AAPG Bulletin

... contrasts, horizontal fluid velocity is much less than vertical velocity. Thus, as a first approximation, the Venture field can be modeled as a layered...

Seismic Monitoring of Cold Heavy Oil Production

Tingge Wang

Search and Discovery.com

... in porous rocks: Geophysics, 41, 621-645. Domenico, S. N., 1976, Effect of brine-gas mixture on velocity in an unconsolidated sand reservoir: Geophysics...

Seismic Monitoring of Cold Heavy Oil Production

Tingge Wang

Search and Discovery.com

... in porous rocks: Geophysics, 41, 621-645. Domenico, S. N., 1976, Effect of brine-gas mixture on velocity in an unconsolidated sand reservoir: Geophysics...

South Atlantic: The Bigger Picture

Hermann Lebit, Jeff Tilton, Sriram Arasanipalai, Pascal Ollagnon

GEO ExPro Magazine

... Picture HERMANN LEBIT, JEFF TILTON, SRIRAM ARASANIPALAI, PASCAL OLLAGNON; PGS integrated velocity model-building hydrocarbon play associated...

The Swash Force Transducer: RESEARCH-METHOD PAPER

N. E. Caldwell, A. T. Williams, G. T. Roberts

Journal of Sedimentary Research (SEPM)

... calibrations to determine fluid velocity in the turbulent swash zone, even with a simple regularly shaped dynamometer on which some theoretical analysis could...