Broadband Data from Flat Streamers: Considerations for Acquisition and Processing

Phil Fontona, Edward Hager

Indonesian Petroleum Association

... emission response we consider the bubble in providing the low-frequencies which are reduced as the hydrostatic pressure increases. The source ghost...

Geodetic Baselines Across the Gulf of California Using the Global Positioning System: Chapter 24: Part IV. Satellite Geodesy

T. H. Dixon, D. M. Tralli, G. Blewitt, J. P. Dauphin

AAPG Special Volumes

... source of error. Among the important systematic errors so far identified are unmodeled horizontal troposphere gradients and uncertainties in fiducial...

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...

Gas Well/Water Well Subsurface Contamination: Tools of Investigation; #80292 (2013)

Rick Railsback

Search and Discovery.com

... and/or gas) – Permeability (ability of the rock to  transmit fluids and/or gas – Pressure gradients – Special geologic conditions (faults,  fractures...

Gas Well / Water Well Subsurface Contamination; #80339 (2013)

Rick Railsback

Search and Discovery.com

... space in the rock that is  filled with fluids and/or gas) – Permeability (ability of the rock to  transmit fluids and/or gas) – Pressure gradients...

Thermogenic and Secondary Biogenic Gases, San Juan Basin, Colorado and New Mexico--Implications for Coalbed Gas Producibility

Andrew R. Scott , W. R. Kaiser , Walter B. Ayers, Jr.

AAPG Bulletin

... basin can be divided into overpressured and underpressured areas. The overpressured area (simple pressure gradients, or pressure-depth quotients, > 0.44...

Great Salt Plains, Alfalfa County, Oklahoma—Geology, Brines, and Hourglass-Selenite Crystals

Kenneth S. Johnson

Oklahoma City Geological Society

... sand, silt, clay, and gravel that overlie Permian bedrock). Once in the overburden, brine continues moving upward due to hydrostatic pressure...

STRUCTURALLY RELATED MIGRATION OF HYDROCARBONS IN THE CENTRAL APPALACHIAN BASIN OF EASTERN OHIO

Greg Mason, NGO Development Corp., Granville Rd., Newark, OH

Ohio Geological Society

... for compaction and is a large factor in primary migration. The hydrostatic pressure gradient is a large factor in secondary migration...

Reconstructing Fluid Expulsion and Migration North of the Variscan Orogen, Northern England

Cathy Hollis, Gordon Walkden

Journal of Sedimentary Research (SEPM)

... of ruptured overpressure compartments and a further buildup of hydrostatic pressure (e.g., Roberts and Nunn 1995). Only in the late Westphalian, when...

Damage and plastic deformation of reservoir rocks: Part 2. Propagation of a hydraulic fracture

Seth Busetti, Kyran Mish, Peter Hennings, Ze'ev Reches

AAPG Bulletin

... loading (p1), relaxation of horizontal stresses as in a normal faulting environment (p2), and increasing fracture internal pressure (or pore pressure...

Specifics of Oil-Gas Formation in the Mesozoic Depressions of the Siberian Platform

V. V. Grebenyuk, F. G. Gurari, A. D. Lugovtsov, V. I. Moskvin

Petroleum Geology: A Digest of Russian Literature

...-geothermal gradient. With low geothermal gradients, maturation processes take place at higher pressures than with normal gradients. This tends to produce...

Sub-Capillary Pressure Equilibrium Reservoirs: Their Formation and Effect on Oil and Gas Production

Monty Hoffman

Rocky Mountain Association of Geologists

... in the western Mid-Continent and Rocky Mountain regions are not in pressure equilibrium. They are hydrodynamic and underpressured, not hydrostatic and normal...

ABSTRACT: Devonian Shale Gas Resource Assessment, Illinois Basin

Robert M. Cluff, Suzanne G. Cluff, Catherine M. Murphy

The Society for Organic Petrology (TSOP)

...-by-foot through each well, assuming normal hydrostatic pressures and assuming the shale is gas saturated at reservoir conditions. The values thus...

Discovery and Development of Sawtelle Oil Field: ABSTRACT

S. Eschner, M. K. Scribner

AAPG Bulletin

... distributed en echelon along the northerly margin of the Los Angeles basin. Wells at Sawtelle confirm that the normal stratigraphic section has been...

Hydrodynamic Model for Pervasive Biogenic Gas Trapped in Low Permeability Sands - Western Plains of North America, by Rakhit, Kaush and David Hume; #90030(2004)

Search and Discovery.com

Developments in Deep Water Drilling from Floaters

J. D. Simmons

Southeast Asia Petroleum Exploration Society (SEAPEX)

... normal pressure occurred in the middle depths of the well. Below this middle interval of hole, the formation pore pressure gradient again began...

A Comparative Study of Monotonic and Cyclic Injection Hydraulic Fracturing in Saturated Tight Rocks Under Triaxial Stress

Saurabh Goyal, Mark E. Curtis, Carl H. Sondergeld, Chandra S. Rai

Unconventional Resources Technology Conference (URTEC)

....% KCl under a hydrostatic URTeC 2952 4 pressure of 5,000 psi for 48 hours. The difference in the stable weights before and after saturation along...

Geothermal Resources

C. R. B. Lister

Circum Pacific Council Publications

... permeability is retained laterally to where the oceanic basement outcrops offshore. If it does, the pressure will be hydrostatic, and will be due...

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

... acoustic FWI to build the pressure wave velocity model using diving wave long offset data and then fix the propagation velocity, restrict the offsets...

Evaluation of hydrocarbon broaching after subsurface containment failure, Gulf of Mexico

Thomas W. Bjerstedt, William W. Shedd, Michael G. Natter, Pierre B. Abadie, George J. Moridis, and Matthew T. Reagan

AAPG Bulletin

.... Assuming nondepletion of reservoir pressure, gas-prone multiphase fluids may broach within a matter of decades. Wet oil and oil-prone multiphase...

Extended Abstract: Role And Contribution Of Pressure Regime Evaluation In Well Planning And Formation Evaluation Process, Zeit Bay Field - Gulf Of Suez, Egypt , #90099 (2009)

Saber Moustafa Selim, Khaled Mohamed Abdallah, Bassem El-Sayed El-Badawy

Search and Discovery.com

... decreasing in the observed Resistivity log values from the Normal Trend Values had been taken as an indication to the presence of abnormal pressure. Third...

Integrated Workflows for Drilling Optimization and Enhanced Production

Jakob Heller, Venkatesh Anantharamu, Andrew Lewis, Bruce Karr, Ron Bianco

Unconventional Resources Technology Conference (URTEC)

...). Xiong et al., (2015) reported pressure gradients in the Wolfcamp series between 0.55 psi/ft – 0.75 psi/ft, while Loughry et al., (2015) from...

Geochemistry, Hydrology, and Mineralogy of the Sand Bulge Area, Laguna Madre Flats, South Texas

Michael Amdurer , Lynton S. Land

Journal of Sedimentary Research (SEPM)

... within the vadose zone, causes a reduction in hydrostatic pressure at shallow horizons in the sabkha, leading to the upward movement of groundwater...

Is That Interference? A Workflow for Identifying and Analyzing Communication Through Hydraulic Fractures in a Multi-Well Pad

Ali Awada, Martin Santo, Dylan Lougheed, D. Xu, Claudio Virues

Unconventional Resources Technology Conference (URTEC)

...: ∆𝑃𝑃 𝑇𝑇 = ∆𝑃𝑃𝐻𝐻𝐻𝐻 + ∆𝑃𝑃𝑓𝑓 + ∆𝑃𝑃𝐾𝐾𝐾𝐾 • Hydrostatic pressure loss: a function of the density of the fluid mixture in the pipe...

Dry Hole Revival Through Well Post Mortem Evaluation

Andang Bachtiar, Yudi S. Purnama, Bayu Nugroho, Maradona Mansyur

Indonesian Petroleum Association

... DST of the same Gumai Formation. The significant pressure difference probably due to either DST-1’s pressure is sub-normal compared to the normal DST-2...