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The AAPG/Datapages Combined Publications Database
Showing 37,696 Results. Searched 200,625 documents.
Shale Compaction and Abnormal Pressure Evaluation Application to the Offshore Mahakam
Michel Bois, Yves Grosjean, Louis de Pazzis
Indonesian Petroleum Association
... pressure (hydrostatic) dto = dt shale observed at a given depth dtn = dt shale value corresponding at a given depth to a normal compaction (normal trend...
1994
Dilatancy and the Mean Normal Stress: Unconventional Concepts Needed for Leak Assessment of Tubular Connections
Gang Tao, Malcolm A. Goodman
Unconventional Resources Technology Conference (URTEC)
... the von Mises stress is independent of the hydrostatic pressure defined by the Mean Normal Stress P: (3) The Goodman (2018) criterion with hydrostatic...
2021
Overpressuring in the Kutei Basin: Distribution, Origins and Implications for the Petroleum System
John A. Bates
Indonesian Petroleum Association
... formations whose pore pressure exceeds that of a normal hydrostatic gradient, i.e. 0.433 psi/ft for fresh water, 0.45 psi/ft for saline waters...
1996
Mechanics of Hydraulic Fracturing
M. King Hubbert , David G. Willis
AAPG Special Volumes
... by normal faulting, the least stress should be horizontal; the fractures produced should be vertical, and the injection pressure should be less than...
1972
Unlocking Hydrocarbon Reserves by Optimizing Pore Pressure and Fracture Pressure Predictions in Mature Mahakam Delta Fields
Wahyu Pramono, Dhanny Fadlan, Roy Lesmana, Gustiadi Rosa
Indonesian Petroleum Association
... pressure σv : Vertical / Overburden stress Pn : Hydrostatic / Normal pressure (Eq. 1.2) 3 Δtn Δtn R Rn : Sonic in normal pressure or normal...
2020
Integrated Pore Pressure Prediction: A New Powerful Concept in Field Development - Nilam Field Case Study, East Kalimantan
Usman Jauhari, Teguh Nugraha, Hazman, Andre Wijanarko
Indonesian Petroleum Association
...; meanwhile that of overpressure is for formation with pressure gradients higher than normal hydrostatic gradients (8.3 ppg). Understanding...
2011
Evolution of Pressure and Stress in Salt-Suture Mudrocks
Search and Discovery.com
N/A
Time of Oil Accumulation
A. I. Levorsen
Tulsa Geological Society
... to the depth of burial. A trap which today is full of gas under normal hydrostatic pressure must have received its gas as overburden accumulated. The second line...
1948
Solubility of Methane in Water at Elevated Temperatures and Pressures: GEOLOGIC NOTES
L. C. Bonham
AAPG Bulletin
... conditions and with a hydrostatic pressure gradient of 0.465 psi/ft (3.206 kPa/0.3 m) which would be associated with a column of water containing...
1978
Regularities in the Distribution of Overpressure in the South of the Ukraine
O. M. Ozernyy
Petroleum Geology: A Digest of Russian Literature
... are mixed - Upper Cretaceous limestones and Lower Cretaceous sandstones; 5) anomaly coefficients (ratio of initial formation pressure to hydrostatic...
1981
Pressure Origin and Distribution in Jurassic of Viking Basin (United Kingdom-Norway): GEOLOGIC NOTES
A. Chiarelli, F. Duffaud
AAPG Bulletin
..., and p reaches a hydrostatic value (i.e., normal pressure). Conversely, if the fluid cannot escape easily with regard to the burial conditions...
1980
Overpressure Mechanism Type A Preliminary Prediction on Talang Akar and Gumai Formation of Betara Structure, Jambi Sub Basin
Lia Reulina Ketaren, Budi Malaysetia Amboro, M.N. Alamsyah, Andri Syafriya, Lucky Kriski Muhtar
Indonesian Petroleum Association
... the normal hydrostatic pressure. According to Huffman and Bowers (2002) after Chopra and Huffman (2006), the schematic map of global overpressure...
2017
Pressure Prediction in Exhumed Basins
A. Edwards, J. Heller, S. Clancy, N. Whitfield, S. O'Connor
GEO ExPro Magazine
... assuming the rocks are Visian 2500 normally compacting with hydrostatic pore pressure, which is much more complicated if the rocks are not at 3000...
2013
Correlation of the Pore Pressure Gradient and Maturity of the Niobrara Formation Across the Powder River Basin, Wyoming; #30634 (2021)
Adriana G. Perez, David Yale, Robert Raney, Ross Taylor
Search and Discovery.com
...: hydrostatic pore pressure Vp-meas-porocorr: measured compressional velocity with porosity corrected. Vp-NPT-lithcorr : extrapolated normal pressure...
2021
Reducing Drilling Risks in J bend Wells Targeting Basement in Tectonic Area through Geomechanical Solutions; #42308 (2018)
Rajeev Kumar, Rahul Talreja
Search and Discovery.com
... with 71pcf73pcf+ to minimize breakouts in shale layers of Barail Formation at 25o well deviation even formation pressure is hydrostatic. 9-5/8” casing shoe should...
2018
Physical Properties
Jeffrey S. Hanor
Special Publications of SEPM
... either one is approximately equal to normal earth surface atmospheric pressure. To put the pascal into context: a film of water 1 mm thick exerts...
1988
Fracture Reservoirs
William H. Curry, III
Earth Science Bulletin (WGA)
... is present in the test interval, final shut-in pressure is often at least half of the normal hydrostatic pressure for the depth. Even more significant...
1972
ABSTRACT: GAS DETECTION AND CAPILLARY SEALING MECHANISM IN THE ANADARKO BASIN, OKLAHOMA, U.S.A: IMPLICATIONS FOR FUTURE EXPLORATION IN EASTERN VENEZUELA, TRINIDAD, GUYANA, SURINAME AND BRAZIL
Dean Mark Walcott, Constantin Cranganu, Madisen Nnaoji
Geological Society of Trinidad & Tobago
... the normal pressure. Generally, geopressure regimes can be found at depths greater than 2500m (8200ft) in young and old sedimentary basins throughout...
2007
Production and Pressure Characteristics of Gas Reservoirs, Veracruz Basin, Mexico
Holtz, Mark H., Garcia, Javier, Sakurai, Shinichi, Wawrzyniec, Timothy F., Jennette, David C., Bolanos, Juan Jose
GCAGS Transactions
... the pressure and compare with the normal hydrostatic pressure by applying: hydrostatic pressure (psig) = 0.45 * Depth (ft) + C; hydrostatic pressure (kg/cm2...
2002
Oil Reservoirs
F. B. Plummer
Tulsa Geological Society
... in but not escape. Second, they are areas of low hydrostatic pressure with respect to the surrounding area in the oil sand. In most cases the differential...
1937
Bottom Hole Pressure Management in a Highly Permeable and Narrow Margin MPD Operation
Ugochukwu Oseme, Sunday Awe, Obinna Amah, Adeyemi Erinle, Ayodele Akinfolarin, Timothy Ibrahim, Vincent Roes
Africa Energy and Technology Conference, 2016
... Pressure (BHP) by providing surface back pressure (SBP) in addition to the hydrostatic mud column during flow-off events. The surface back pressure...
2016
Complexity of Pore Pressure and Stress Analyses in Mahakam Median Axis of the Lower Kutai Basin, Kalimantan, Indonesia
Roni Herdiyanto, Joe-Anderson Siadary, Dhanny Fadlan
Indonesian Petroleum Association
... that there are three pore pressure patterns in the study area, i. e. normal pressure, low over pressure and high over pressure. The analysis of cross-plot...
2018
Distribution and Mechanism Forming of Overpressure Shale Gumai on Jambi Subbasin, South Sumatera Basin
Randa Guruh Sumarsono, Hari Wiki Utama, Nurul Izzah Asral, Yudhi Achnopha, Yan Indryanto
Indonesian Petroleum Association
... on normal hydrostatic gradients. The excess pressure is caused by loading or unloading of sediments. To predict pore pressure values, the Eaton method...
2020
Pressure Compartments in the Mesaverde Formation of the Green River and Washakie Basins, as Determined from Drill Stem Test Data
Henry P. Heasler, Ronald C. Surdam
Wyoming Geological Association
.... The line represents a hydrostatic gradient of 0.433 psi/ft extending from the ground surface to a depth of 15,000 feet. Figure 8. Final shut-in pressure...
1992
Subsalt pressure prediction in the Miocene Mad Dog field, Gulf of Mexico
Michael P. Merrell, Peter B. Flemings, Glenn L. Bowers
AAPG Bulletin
... for detailed discussion.We distinguish normal pressure (un) from hydrostatic pressure (uh) by considering the difference between seawater density (ρsw) and pore...
2014