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The AAPG/Datapages Combined Publications Database
Showing 39,490 Results. Searched 200,691 documents.
B. Economics of Natural Gas in Sacramento Valley, California: Occurrence of Natural Gas in Mesozoic Rocks of North California
Eugene F. Reid
AAPG Special Volumes
... mud weights from 120 to 140 lbs/cu ft. Dry-hole costs for a 9,000-ft hole to the lower F Zone, with bottomhole pressures above 6,000 psi, may range...
1968
Abstract: Reservoir vs. Seal Geopressure Gradients: Calculations and Pitfalls, by Selim Simon Shaker; #90200 (2014)
Search and Discovery.com
2014
Mesozoic siliciclastic reservoirs and petroleum system in the Rub' Al-Khali basin, Saudi Arabia
S. A. Stewart, C. T. Reid, N. P. Hooker, and O. W. Kharouf
AAPG Bulletin
... Formation are at hydrostatic pressure (Bakiewicz et al., 1982). Drilling mud weights indicate that slight overpressure—tens to hundreds of pounds per...
2016
Abstract: Pressure and Seal Prediction and Detection in Highly Overpressured Basins to Determine Prospectivity, by Philip D. Heppard and Martin L. Albertin; #90039 (2005)
Search and Discovery.com
2005
Abstract: Calibration of Predicted Pore Pressure: Perceptions and Pitfalls, by Selim Shaker; #90085 (2008)
Search and Discovery.com
2008
Drilling Fluids and Formation
M. J. Droddy
Houston Geological Society Bulletin
... practices must be used, and maximum mud weights must be limited. Of all fluid types, oil-based drilling fluids are usually the least damaging...
1990
Success Application of Constant Bottom Hole Pressure (CBHP) MPD in Offshore East Kalimantan, Indonesia
Fadlin, Ali, Ray Usmar, Fikri Irawan, Ardia Karnugroho
Indonesian Petroleum Association
... in the annulus where the mud weight was statically underbalanced is one of distinct advantage of Managed Pressure Drilling for drilling through steep pore...
2015
African Swallow Field: Complex Muddy Sandstone Marine Transgressive Stratigraphic Trap in the Deep Powder River Basin, Wyoming
J.M. Perkins, L.F. Kuhmichel, B.E. Winkelman, P.M. Loftin
Rocky Mountain Association of Geologists
... Pressure Analysis One way to determine the distribution and magnitude of an abnormal pressure system is to evaluate seismic velocity data. Seismic...
2001
Abstract: The Tuscaloosa-Woodbine Trend: Tracking Its Unique Pressure Profiles
J. A. Gill
GCAGS Transactions
... to pore pressure problems. The major drilling problems are caused by pressure imbalance -- either too much or too little mud density in relation...
1981
Evaluating Stratigraphically Complex Fields: Part 6. Geological Methods
Diana Morton-Thompson , W. E. Galloway
AAPG Special Volumes
... and Completion Problems 1. A variety of mud weights and types are needed to prevent formation damage in different producing zones. 2. Various stimulation...
1992
East Java Mud Volcano (LUSI): Drilling Facts and Analysis, Nurrochmat Sawolo, Edi Sutriono, Bambang P. Istadi, and Agung B. Darmoyo, #50186 (2009)
Search and Discovery.com
2009
The Austin Chalk-Buda Trend of South Texas
Robert J. Scott
GCAGS Transactions
... of subsidence in the Gulf Coast Basin. The average Austin Chalk-Buda well costs $260 thousand to drill and complete. While drilling, mud weights should...
1977
Subsurface formation pressure gradient vs. slope: Perception and pitfalls
Selim S. Shaker
International Meeting for Applied Geoscience and Energy (IMAGE)
...: Perception and Pitfalls Selim S. Shaker Geopressure Analysis Services (G.A.S) Summary Distinguishing the difference between subsurface pressure’s gradient...
2023
Source Rock Reservoir Characterization Using Geology, Geochemical and Drilling Data
Robert Shelley, Amir Mohammad Nejad, Stanislav Sheludko
Unconventional Resources Technology Conference (URTEC)
... horizontal drilling operations such as gas wetness, alkane fractions, ROP, mud weights, gas units, gross thicknesses, depths, etc. URTeC 2667653 2...
2017
Reservoir vs. Seal Pressure Gradients: Calculations and Pitfalls
Search and Discovery.com
N/A
Altamont-Bluebell: A Major Fractured and Overpressured Stratigraphic Trap, Uinta Basin, Utah
Peter T. Lucas, James M. Drexler
Rocky Mountain Association of Geologists
... pressure gradients, Altamontdluebell field, Utah. Data based on mud weights, hydroearbon shows, lost eireulation and measured pressures. Maximum values...
1975
Air-Gas Drilling in Northwestern Colorado
Robert W. Sneed, A. Hamilton Mencher
Rocky Mountain Association of Geologists
... of development drilling. After considerable experimentation and cost analysis, the operator has drilled all recent wells with mud. Drilling time...
1962
Subsurface Formation Pressure Gradient vs. Slope: Perception and Pitfalls
Selim S. Shaker
GCAGS Transactions
... to pressure gradient assessment. Moreover, equating natural pressure measurements using wireline tools to manmade variable mud weight pressure gradients can...
2024
Accelerating Well Construction Using a Digital Twin Demonstrated on Unconventional Well Data in North America
Gurtej S. Saini, Pradeepkumar Ashok, Eric van Oort, Matthew R. Isbell
Unconventional Resources Technology Conference (URTEC)
... and estimates the best possible route, based on the weight assignments to the various vertices. It does so by minimizing the overall weights. Then, modern...
2018
Building a 3D Geomechanical Model for the Fitzroy Trough
Oliver Gaede, Moritz Ziegler, Oliver Heidbach
Petroleum Exploration Society of Australia (PESA)
..., Valhalla 2, Yulleroo 3). The mud weights were increased to counteract this over-pressure and other borehole stability issues. Mud weights and direct...
2019
Piceance Basin Niobrara-Mancos: Piceance Basin Niobrara-Mancos Gas Accumulation
Stephen P. Cumella, Erik Graven, Paul Weimer, Nathan Rogers
Rocky Mountain Association of Geologists
...’ lateral; however, high mud weights in excess of 16.1 lbs/gal and well-control issues forced an early termination of drilling with a final lateral length...
2014
Linear Relationships between Geothermal and Geopressure Gradients in the Northern Central Deepwater Gulf of Mexico
Sharon Cornelius, Peter A. Emmet
GCAGS Transactions
... protraction areas of the north-central Gulf of Mexico (Gulf of Mexico) as shown in Figure 1. There are bottomhole mud weights from 150 wells...
2019
Deep-learning-based downhole tool electromagnetic telemetry noise attenuation and source separation
Carlos Urdaneta, Arnaud Jarrot, Shirui Wang, Xuqing Wu, Jiefu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the wellbore is kept lower than the static pressure of the formation being drilled. Mud pulse methods also suffer from wear associated with the contact...
2022
The Possible Significance of Pore Fluid Pressures in Subduction Zones: Tectonic Processes: Model Investigations of Margin Environmental and Tectonic Processes
Roland von Huene, Homa Lee
AAPG Special Volumes
.... Fig. 2. Abnormal fluid pressure in wells on the continental shelf in the Gulf of Alaska required increases in mud weights during drilling up to 17.1...
1982
Jolliet Field Thrust Fault Structure and Stratigraphy Green Canyon Block 184, Offshore Louisiana
Douglas Cook , Peter D'Onfro
GCAGS Transactions
... stress analysis which does not include the effect of pore pressure. Effective stress analysis includes the effect of pore pressure and is appropriate...
1991