Residual shear strength of shales from the Gemas Formation based on ring shear tests

J. K. Raj

Geological Society of Malaysia (GSM)

... with multi-stage loading is best suited for low to moderate, effective normal stresses (<250 kPa). Based on the test results, the residual friction angle...

Porosity Dependence on Temperature: Limits on Maximum Possible Effect

Lee P. Stephenson

AAPG Bulletin

... of the porosity of sediments with increasing depth of burial have been attributed--in different degrees by different authors--to increasing effective pressure...

Time-lapse FWI prediction of CO2 saturation and pore pressure

Qi Hu, Kristopher Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... ρ is the bulk density of the rock. Based on Terazaghi’s (1965) principle, the effective pressure Pe is defined as the difference between overburden...

Horizontal Well Inflow Performance in Reservoirs with Discontinuous Vertical Permeability Characteristics

Pudji Permadi

Indonesian Petroleum Association

..., productivity decreases markedly with increasing shale density, and breakthrough time increases as effective vertical permeability decreases. Detailed results...

Origin of Overpressure and Pore Pressure Prediction in the Baram Delta Province, Brunei; #40709 (2011)

Mark Tingay, Richard Hillis, Richard Swarbrick, Chris Morley, and Razak Damit

Search and Discovery.com

... (i fl ti ) Determining Overpressure Origin: Porosity-Effective Stress Plots Modified after Bowers (1994) Brunei Bowers Type Plot Sonic Veloc...

Determination of the Laminar, Structural and Disperse Shale Volumes Using a Joint Inversion of Conventional Logs; #41944 (2016)

Ambrosio Aquino-López, Aleksandr Mousatov, Mikhail Markov, Elena Kazatchenko

Search and Discovery.com

... filled with a mixture of oil, water, and disperse shale. For calculating the effective physical properties of this composite, we apply the self...

Experimental Study of the Compaction of Phyllosilicate-Bearing Sand at Elevated Temperature and with Controlled Pore Water Pressure

E.H. Rutter, P.H. Wanten

Journal of Sedimentary Research (SEPM)

... pore pressure, which lowers effective stress and hence compaction rate until such pressure excess becomes dissipated by permeation. A suite...

Geomechanical modeling of stresses adjacent to salt bodies: Part 1Uncoupled models

Gang Luo, Maria A. Nikolinakou, Peter B. Flemings, Michael R. Hudec

AAPG Bulletin

... simulate total stress in an elastic medium and then subtract an assumed pore pressure after calculations are complete; simulate effective stress...

Fractured Continuum Approach to Stochastic Permeability Modeling

S. A. McKenna, P. C. Reeves

AAPG Special Volumes

... of effective continuum representations of fracture permeability. Observations of fracture orientation, length, frequency, and transmissivity from...

Flow Rate Behavior and Imbibition Comparison Between Bakken and Niobrara Formations

Dongmei Wang, Jin Zhang, Raymond Butler, Adam Clark, Rachel Rabun, Dave Koskella

Unconventional Resources Technology Conference (URTEC)

... that observed during comparable experiments using previous formulations at 15-30% TDS. In this paper, we test flow behavior using porosity and effective...

Applications of Hydraulics to the Study of Marine Turbidity Currents

Henry W. Menard, John C. Ludwick

Special Publications of SEPM

...- producing the effective density and the tory experiments on the velocity and position of the current relative to the competence of turbidity currents may...

Pore Pressure and Elastic Moduli Estimation Considerations for a Simplified Geomechanical Model for Unconventional Plays. A case study in the Vaca Muerta Formation

Sergio Cuervo, Ezequiel Lombardo

Unconventional Resources Technology Conference (URTEC)

... field stresses from commonly available well logs. TIV anisotropy in the shale intervals, velocity relationship with effective stress, poroelastic...

A Novel Method for Experimental Characterization of the Poroelastic Constants in Unconventional Formations

Deepak Gokaraju, Munir Aldin, Akshay Thombare, Abhijit Mitra, Sudarshan Govindarajan, Robert Patterson

Unconventional Resources Technology Conference (URTEC)

... in real time during small perturbations in stress. The use of P-wave velocity or arrival time is evaluated as an effective gauge to capture the rock...

Evaluating Fracture Volume Loss during Flowback and its Relationship to Choke Size: Fastback versus Slowback

Yingkun Fu, Hassan Dehghanpour, Siyavash Motealleh, Carlos Manuel Lopez, Robert Hawkes,

Unconventional Resources Technology Conference (URTEC)

... of this paper by anyone other than the author without the written consent of URTeC is prohibited. Abstract The study estimates initial effective fracture...

Abstract: Contact Angle Hysteresis at Smooth and Rough Surfaces; #90187 (2014)

Behrooz Raeesi, Norman R. Morrow, and Geoffrey Mason

Search and Discovery.com

... (Morrow 1975). The capillary rise method gives effective contact angles that correspond to average values of apparent angles for the complete perimeter...

Hydromechanical modeling of critically stressed and faulted reservoirs

Xing Zhang, Nick Koutsabeloulis, Kes Heffer

AAPG Bulletin

... a critical stress state, a small change of the effective stress caused by fluid-pressure changes in the reservoir is likely to trigger reservoirwide...

Maximizing Asset Value by Full Field Development„Case Studies in the Permian Basin

Hongjie Xiong, Raja Ramanthan, Khang Nguyen

Unconventional Resources Technology Conference (URTEC)

.... Figure 3 shows the corresponding recovery factors vs fracture spacing or effective cluster spacing, which clearly indicates that tighter fracture...

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

... and effective-stress diagram to identify the overpressure transfer in the study area. This phenomenon has not been discussed in previous studies...

Jameson Field Coke County, Texas

Dana T. Whitton

Abilene Geological Society

... is not uniform, and there is thought to be no effective water drive. The field trends north-south for three miles and assumes a northeast-southwest trend...

Preservation Potential and Bedding Features in Variable Discharge Streams: Abstract

Robert H. Blodgett, K. O. Stanley

Dallas Geological Society

... in modern streams. Effective evaluation of preservation potential requires a detailed comparison of modern fluvial bedforms, barforms, and hydraulic...

Charlson Field North Dakota

J. R. Hamke, L. C. Marchant, C. Q. Cupps

Bureau of Mines

...Charlson Field North Dakota J. R. Hamke, L. C. Marchant, C. Q. Cupps 216 OILFIELDS IN THE WILLISTON BASIN Charlson-Madison Pool1 Effective date...

ASH CREEK FIELD BIG HORN COUNTY, MONTANA, AND SHERIDAN COUNTY, WYOMING

Montana Geological Society

... with an effective thickness of 15-20 feet. The porosity averages 20% and the permeability is 150 millidarcies...

Problems Associated with the Construction of Alaskan Airports - Abstract

Dan R. Pavey

Alaska Geological Society

... are required to provide a cost effective facility that must frequently be built under adverse field conditions...

Brorson Field Montana

J. R. Hamke, L. C. Marchant, C. Q. Cupps

Bureau of Mines

...Brorson Field Montana J. R. Hamke, L. C. Marchant, C. Q. Cupps 72 OILFIELDS IN THE "WILLISTON BASIN Brorson-Madison Pool Effective date...

Unconformity-Bounded Sequences of the Central Scotian Shelf: Indicators of Differential Tectonism and Resultant Hydrocarbon Migration: Abstract

Leigh Smith

CSPG Special Publications

... gives a direct measure of the amount of effective uplift that occurred during any particular erosional episode, whether locally or in terms of regional...