Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 44,985 Results. Searched 200,616 documents.
Using Machine Learning to Customize Development Unit Spacing for Maximum Acreage Value
M. Maguire, A.Cui, T. E. Witham, T. Cross
Unconventional Resources Technology Conference (URTEC)
...Using Machine Learning to Customize Development Unit Spacing for Maximum Acreage Value M. Maguire, A.Cui, T. E. Witham, T. Cross URTeC: 3723023...
2022
Real Time Torque and Drag Analysis by Combining of Physical Model and Machine Learning Method
Kankan Bai, Honghai Fan, Hongbao Zhang, Fei Zhou, Xingang Tao
Unconventional Resources Technology Conference (URTEC)
... with length of dl, the equations to calculate the axial force and lateral force at the upper end are as follows, Figure 1. Stress of a drill string unit...
2022
Longshore Drift, Submarine Canyons, and Submarine Fans in Development of Niger Delta
Kevin Burke
AAPG Bulletin
... to a new symmetrical five-layer interpretation of the structure of the Niger delta: (5) top continental sand unit (Benin Formation); (4) transitional...
1972
Stratigraphy of Middle and Upper Jurassic Rocks of the San Juan Basin: Historical Perspective, Current Ideas, and Remaining Problems
Steven M. Condon, Fred Peterson
AAPG Special Volumes
... and sedimentologic features including sorting, sedimentary structures, and crossbed dip-vector resultants. Separation of the two units yields an improved...
1986
Triassic Rift Structure in Gulf of Maine
R. D. Ballard , Elazar Uchupi
AAPG Bulletin
... that the structural framework of the region can be divided into three units (Fig. 2); a top sedimentary unit (Unit 1) consisting of coastal plain erosional...
1975
Integration of Wireline Borehole Image and Seismic Data: Structural and Stratigraphic Study of the N-Sand in the Helis East Black Bay Field Extension
Anish Kumar, Brian Briscoe, George R. Kear, Terry D. Keegan, Paul N. Lawless, Jonathan W. Malone, James P. Stoyanoff, Elizabeth Zobell
GCAGS Transactions
... images in marine shales below and above the N-Sand, are shown in Figure 5. Where needed, the structural dip was vector-subtracted from all the true dips...
2007
Sedimentology of the Upper Miocene Piru Gorge Sandstone Member of the Ridge Route Formation, Ridge Basin, Southern California
Martin H. Link
Pacific Section SEPM
... Gorge Sandstone Member and makes up about 80 per cent of the unit, whereas the lacustrine facies comprises 15 per cent and the turbidite facies makes up...
1982
Ancient Alluvial Fans and Fan Deltas
William E. Galloway
Special Publications of SEPM
... are characterized by ribbon deposits glomerate dominate basinward unit Trough geometries. internal into Alluvial-fan and associated braided...
1985
Physical Basis of Reflection Seismology
Bruce S. Hart
Special Publications of SEPM
... this illustration shows a vertical profile . At any given point along the wavefront, we can define a vector nor al to the wavefront that is called...
2000
The Seminole Formation in Tulsa County
George W. Krumme, Glenn S. Visher
Tulsa Geological Society
... unit is four feet thick. Photograph from Sec. 8, T 9 N, R 9 E., Hughes County. Transport Directional Features A map of directional features observed...
1972
Estimation of ocean-water temperature and salinity from marine seismic data for weather prediction and climate modeling
Dwaipayan Chakraborty, Jorlivan Correa, Matheus Mendes Ferreira de Faria, Emmanuel Oladeji, Subhashis Mallick
International Meeting for Applied Geoscience and Energy (IMAGE)
... salinity unit (PSU), T in °C, and pressure ( ) in bars as ( , , )= ( ) . ( , )+ ( , ) + ( , ) / ( , ), ( , )= + +( + ( + + ) , + ( , )= ( + + (4...
2023
Case Study and Analysis of Bottomhole Pressure Management During Drillstring Connections Made in a Managed Pressure Drilling Operation in Indonesia
Joydi MirzaZein, Ardia Karnugroho, Julius Sosa, Julmar Shaun Toralde
Indonesian Petroleum Association
... of flow also controls the pressure within the well. The chokes open and close to regulate surface backpressure. The unit is essential to managing...
2014
Australian Early Carboniferous Time
John Roberts, Jonathan C. Claoué-Long, Peter J. Jones
Special Publications of SEPM
... and volcaniclastics interlayered in shallow and deep water marine strata. Claoue-Long and others (1992) describe SHRIMP zircon dating of a tuff from this unit...
1995
Are Unconventional Well Performance Gains Exhausted? Investigating the Drivers of Year-over-Year Production Improvements Across the Major US Unconventional Plays Using Machine Learning
T. Cross, J. Chaplin, K. Sathaye, A. Cui
Unconventional Resources Technology Conference (URTEC)
... to state drilling unit regulations and favorable geology. Larger completions contributed on average a 20-30% increase, though their impact plateaued...
2021
Use of Machine Learning Production Driver Cross-Sections for Regional Geologic Insights in the Bakken-Three Forks Play
T. Cross, K. Sathaye, J. Chaplin
Unconventional Resources Technology Conference (URTEC)
... generated synthetic multiwell unit developments along cross-sections stretching from the southwestern to the northeastern edges of the play in order...
2021
Permian Delaware Basin Productivity and Spacing Analysis and Technically Recoverable Resource Assessment
Sofia Berdysheva, Timothy McMahon, David Hoffman
Unconventional Resources Technology Conference (URTEC)
... boosting, support vector machine, and neural network methods (Attanasi, Freeman, & Coburn, 2020; Bansal, et al.; Kocoglu, Gorell, & McElroy; Xiao, Wang...
2025
Reef Delineation by Multiple Offset Borehole Seismic Data Collection: A Case Study
D. E. Miller and L. Dupal
AAPG Special Volumes
... spacing as viewed from the image point, and source-receiver offset angle. An additional factor equal to the vertical component of the unit vector along...
1987
Core and Image Log Analysis of Permian Paleowind Directions in the Unayzah-A Reservoir, Subsurface Eastern Central Saudi Arabia; #50734 (2012)
Mohammed Al-Masrahy, John Melvin, Osman Abdulatif, and M. H. Makkawi
Search and Discovery.com
... unit in the subsurface of central and eastern Saudi Arabia displays widespread evidence of deposition under arid to semiarid conditions, very commonly...
2012
Using Structure-From-Motion Photogrammetry to Recognize Lateral Versus Forward Accretion Bedforms in the Lower Cretaceous McMurray Formation, NE Alberta, Canada
Derek A. Hayes, Eric R. Timmer, Michael J. Ranger, Jeffrey L. Kavanaugh, Murray K. Gingras
CSPG Bulletin
... of the channel, and merge upward gradationally into the IHS point bar facies as a single genetic unit (Mossop, and Flach, 1983; Flach and Mossop, 1985...
2018
Facies analysis of the Late Eocene deep-marine middle- to outer-fan sequence of the Crocker Formation in Tenom District, Sabah, Malaysia
Muhd Nur Ismail Abdul Rahman, Hafeez Jeofry, Muhammad Abdullah, Ismail Abd Rahim, Sanudin Hj.Tahir
Geological Society of Malaysia (GSM)
... of the facies identified in the field are related to the sedimentary bed-form structures belonging to Bouma sequences. These prominently include unit...
2021
Cross Section Restoration and Balancing as Aid to Seismic Interpretation in Extensional Terranes
Mark G. Rowan, Roy Kligfield
AAPG Bulletin
...------------------------------ In the latter case, the antithetic vector in Figure 1C represents the actual material movement path. In other models, however, the displacement vectors should...
1989
Statistical Estimation of the Position of An Apex: Application To the Geological Record
Amanda Owen,, Peter E. Jupp, Gary J. Nichols,,† Adrian J. Hartley, Gary S. Weissmann, Dinara Sadykova
Journal of Sedimentary Research (SEPM)
... analysis of alluvial sediments: a discussion of directional variance and vector magnitude: Journal of Sedimentary Petrology, v. 44, p. 1174– 1185...
2015
A Practical Model for Pressure- and Rate-Transient Behavior of Stacked Horizontal Wells in Unconventional Reservoirs
Meruyert Makhatova, Erdal Ozkan
Unconventional Resources Technology Conference (URTEC)
... is formulated as a matrix-vector equation in terms of dimensionless variables in the Laplace domain and the results are inverted into the time domain...
2024
Paleohydrology and Paleomorphology of a Carboniferous, Meandering, Fluvial Sandstone
Thomas W. Gardner
Journal of Sedimentary Research (SEPM)
.... 1101-1104. PINCUS, H. J., 1956, Some vector and arithmetic operations on two dimensional orientation variates with applications to geologic data: Jour...
1983
Seamount Age Estimates from Paleomagnetism and Their Implications for the History of Volcanism on the Pacific Plate
William W. Sager
Circum Pacific Council Publications
... of a method used by many geoscientists to assess the age of a rock unit whose age is unknown but for which there exists a reliable paleomagnetic pole...
1992