ABSTRACT: The Effect of Supercritical Water on Vitrinite Reflectance

Charles E. Barker, M. D. Lewan

The Society for Organic Petrology (TSOP)

... pressure using a fresh water hydrostatic gradient (Barker et al., 1998). Fresh water boils at about 300°C at this depth. The critical point of fresh...

Simultaneous Measurement of Elastic and Electrical Anisotropy of Shales Under Elevated Pressure: A Preliminary Study

Search and Discovery.com

Three-Dimensional Seismic Reconstruction of the Anisotropic Tectonic Stress for Cap-Rock Integrity in the Athabasca Oil Sands, Alberta, Canada

Search and Discovery.com

Characterization and Mitigation of Production Degradation in Extended Laterals Using Physics-Based Simulation Tools

Gerardo Jimenez, Han Young Park, Matteo Marongiu Porcu, Pablo G. Nosenzo, Ernestina Martinez Gravino

Unconventional Resources Technology Conference (URTEC)

... hydraulics, total pressure drop along the wellbore will be calculated by segmenting the stages. Hydrostatic, frictional, and acceleration pressures...

CONTINENTAL SCIENTIFIC DRILLING PROGRAM. A proposal for deep scientific drilling and associated exploration and research, Texas Gulf Coast

Lynton S. Land and William Galloway

Houston Geological Society Bulletin

... depositional history of the sedimentary sequence; the thermal history and the unusually high thermal gradient; and the fluid pressure regime in the deep...

Abstract: Continental Scientific Drilling Program: a Proposal for Deep Scientific Drilling and Associated Research, Texas Gulf Coast

DOSECC Study Group

GCAGS Transactions

... depositional history of the sedimentary sequence; the thermal history and the unusually high thermal gradient; and the fluid pressure regime in the deep...

Compaction -- A Discussion

P. E. Gretener, G. J. Labute

CSPG Bulletin

... these conditions compaction is prevented and the formation fluid is under higher than hydrostatic pressure carrying part or all of the overburden load...

Groundwater processes in a sandbar-regulated estuary, Mengabang Telipot, Peninsular Malaysia

Mei Kee Koh, Edlic Sathiamurthy, Peter Robertson Parham

Geological Society of Malaysia (GSM)

... and recorded hydrostatic pressure changes in the water column. Hydrostatic pressure measurements were compensated with atmospheric pressure variations...

Carbon Dioxide Storage Potential of the Broom Creek Formation in North Dakota: A Case Study in Site Characterization for Large-Scale Sequestration

James A. Sorensen, Steven A. Smith, Anastasia A. Dobroskok, Matthew L. Belobraydic, Wesley D. Peck, Justin J. Kringstad, Zheng-Wen Zeng

AAPG Special Volumes

...) at the injection site. The formation ranges in thickness from 30 to 51 m (100 to 170 ft). The in-situ hydrostatic pressure and temperature conditions...

In Situ Stress Magnitude and Orientation Estimates for Cretaceous coal-Bearing Strata Beneath the Plains Area of Central and Southern Alberta

J. S. Bell, Stefan Bachu

CSPG Bulletin

... with anomalous results. Tests with pressure gradients that were anomalously low (<12 kPa/m), close to hydrostatic pressure, or those that were anomalously high...

Hierarchies of overpressure retardation of organic matter maturation: Case studies from petroleum basins in China

Fang Hao, Huayao Zou, Zaisheng Gong, Shigang Yang, Zhiping Zeng

AAPG Bulletin

... in the Tarim Basin (Zhang, 2000). The measured pressure coefficients (the ratio between formation pressure and the hydrostatic pressure at the same...

Fluid Flow in Brittle Shear Zones and Coeval Precipitation of Nodular Chert in Paleozoic Carbonate During Regional Deformation in the Hinterland of the Sevier Orogenic Belt

Pamela E. Jansma, Glen S. Mattioli

Rocky Mountain Association of Geologists

... km ( 1.9 mi to 3.8 mi), closely approximate the hydrostatic pressure gradient at temperatures below about 200°C (Fyfe et al. 1978). Below these depths...

An evaluation of the seal capacity and CO2 retention properties of the Eau Claire Formation (Cambrian)

Richard Lahann, John Rupp, and Cristian Medina

Environmental Geosciences (DEG)

... hydrostatic pressure gradient, proposed storage depths, and the pressure-dependent density of .The Illinois basin is currently in a stress configuration...

Akaso Field, Nigeria: Use of Integrated 3-D Seismic, Fault Slicing, Clay Smearing, and RFT Pressure Data on Fault Trapping and Dynamic Leakage

B. I. Jev , C. H. Kaars-Sijpesteijn , M. P. A. M. Peters , N. L. Watts , J. T. Wilkie

AAPG Bulletin

... field. Note the onset of overpressures indicated on the cross section at the H sands level, above which pressure gradients generally are hydrostatic...

RhoVe T Method Empirical Velocity-Density-Temperature-Effective Stress Transform

Matt Czerniak

GCAGS Transactions

... compaction (Lahann and Swarbrick, 2011; Sargent et al., 2015), which has been largely underexplored by most pore pressure and fracture gradient (PPFG...

ABSTRACT: Quantification, Permeability and Compaction of Mudstones: Some Applications to Basin Modelling and Pore Pressure Estimation; #90007 (2002)

Yang, Yunlai, Andrew C. Aplin and Steve R. Larter

Search and Discovery.com

...ABSTRACT: Quantification, Permeability and Compaction of Mudstones: Some Applications to Basin Modelling and Pore Pressure Estimation; #90007 (2002...

Analysis of the Multiwell Experiment Data and Results: Implications for the Basin-centered Gas Model

Norman R. Warpinski, John C. Lorenz

AAPG Special Volumes

... gradients of about 18 kPa/m (0.8 psi/ft), almost double the normal hydrostatic gradient. This increase occurs in a stair-step manner.FIGURE 12. MWX mud...

Gas Resource Quantification — A Supply-Side Approach

B. J. Katz, W. R. Almon, C. Atallah, Martin Schoell, Yongchun Tang

Indonesian Petroleum Association

... volume, current geothermal gradient, and geothermal history. At the appropriate levels of thermal maturity both oil-and gas-prone source rocks may generate...

Systematic Distributions of Anomalously High Formation Pressures in Oil-Gas Basins

R. M. Novosiletskiy, A. Yu. Polutranko, E. P. Savka, D. V. Sharun

Petroleum Geology: A Digest of Russian Literature

... the hydrostatic pressure by 1.5-2 times and more. In the oil-gas areas of the Ukraine and other regions, anomalously high formation pressures...

Diagenesis of Sandstones in Lower Cook Inlet Basin, Alaska, and its Implications for Petroleum Plays

J. G. Bolm, Thane H. McCulloh, Richard J. Stewart

Alaska Geological Society

..., suitable framework composition, high geothermal gradient, normal to low fluid-pressure gradient, low-salinity pore water, and absence of carbon...

Modeling and Simulation of Production from Commingled Shale Gas Reservoirs

Benmadi Milad, Faruk Civan, Deepak Devegowda, Richard F. Sigal

Unconventional Resources Technology Conference (URTEC)

... contributes to about 5 to 20% from the total pressure drops, whereas the pressure drops due to hydrostatic pressure represent 80 to 95% of the total pressure...

Compressibility of Sandstones at Low to Moderate Pressures

I. Fatt

AAPG Bulletin

...) where VB is the bulk volume, Pe is the external hydrostatic pressure on a jacketed specimen, and Pi is the fluid pressure in the pore spaces...

Fortescue Field--An Unconformity Trap in the Gippsland Basin, Australia

R. C. N. Thornton, B. J. Burns, A. K. Khurana, A. J. Rigg

AAPG Special Volumes

..." coal and shale sequence (FM-1.4). The break between the oil-pressure gradient and the water-pressure gradient is about 27 psi. In the remaining...

Development of Sediment Overpressure and Its Effect on Thermal Maturation: Application to the Gulf of Mexico Basin

Ulisses T. Mello , Garry D. Karner

AAPG Bulletin

... are equivalently termed geopressure, abnormally high pore pressure, or overpressure. The hydrostatic gradient is 10.5 kPa/m (0.465 psi/ft...

Non-Compositional Controls on Diagenetic Processes

Michael D. Wilson

Special Publications of SEPM

... kPa/m (1 psi/ft). Pore fluid (hydrostatic) pressure generally increases at between 9.7 to 10.9 kPa/m (0.43 to 0.48 psi/ft). Overpressuring...