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The AAPG/Datapages Combined Publications Database
Showing 4,234 Results. Searched 200,636 documents.
A Finite-difference Based Multi-scale Approach for Electromagnetic Digital Rock Modeling
Mengping Yu, Yibo Wang, Jin-Hong Chen, Ji Chen
Unconventional Resources Technology Conference (URTEC)
... enough. For example, to evaluate the z-directional permittivity and conductivity of a mixture, the periodic boundary condition and voltage source...
2018
Cacao Field--Brazil Espirito Santo Basin, Southeastern Brazil
Valerio Q. Lima, Nestor Aurich
AAPG Special Volumes
... mapped structures. Three directional step-out wells were drilled in the Cacao structure to prove economically exploitable volumes of oil in the field...
1992
Cybersteering: Automated Geosteering by Way of Distributed Computing and Graph Databases in the Cloud
Tristan Arbus, Steven Wilson
Unconventional Resources Technology Conference (URTEC)
... that the wellbore trajectory is fixed and defined by directional surveys. Each point along a wellbore has both an MD (as per directional surveys...
2019
Recent Horizontal Drilling in Lockhart Crossing Field, Livingstone Parish, Louisiana: Its Impact on Geological Interpretation
Randy J. Johnson
GCAGS Transactions
...-Anadrill directional survey was used to calculate true vertical and subsea depths and to plot directional wellbore paths. HORIZONTAL DRILL WELLS...
1993
Genetic Relationship Among Tertiary Blue Sandstones in Central California
J. F. Lerbekmo
Journal of Sedimentary Research (SEPM)
... sandstones. This fact prompted the writer to attempt a directional analysis of cross-stratification to aid in distinguishing between the possible...
1961
Benchmarking Operator Performance in the Williston Basin using a Predictive Machine Learning Model
T. Cross, K. Sathaye, K. Darnell, D. Niederhut, K. Crifasi
Unconventional Resources Technology Conference (URTEC)
..., and directional surveys were collected from the North Dakota Industrial Commission (NDIC, 2020). For targets, production data was available in monthly...
2020
Low-Cost Flexible Riser Replacement on FPSO in a Marginal Field
Isara Boondao
Indonesian Petroleum Association
... on the vessel are the result of the action of wind, current and waves. The directional conventions for the environmental loads are presented in Figure 6...
2022
Managing Subsurface Structural Uncertainty through Seismic Optimisation and Real-Time Drilling Data: A Success Story in Half Graben Reservoir Block of Tilan Field, WK Rokan
Rizki Arya Putra, Endo Finaldhi, Muhammad Afif Ikhsani, Nugroho Jati, Muhamad Irfan
Indonesian Petroleum Association
... to structural uncertainty. This en-echelon extensional fault system associated with its relay ramps and its propagation is not always easy to interpret...
2023
Comprehensive Architectural Optimization of Foxtrot Main Zone (FMZ) Aimed to Enhance Design Cost Efficiency with Fit-For-Purpose Surface Casing Shoe Depth in Delta Mahakam
Monica Angelina, Arif Setiaji Wibowo, Humisar Alprialdus Sinaga, Aditia Hermawan
Indonesian Petroleum Association
...𝑚 . The implementation of the study will require adjustments to the directional drilling design, especially to the placement of the end of curve (EOC) point. 8...
2024
Pore Pressure Mapping Using Microseismicity and Borehole Data
Leo Eisner, Dmitry Alexandrov, Umair bin Waheed
Unconventional Resources Technology Conference (URTEC)
...n transform around the corresponding direction to the matrix of directional cosines 𝑄 𝑖𝑘 and substituting the resulting coefficient...
2022
Friction Factor Assessment for Plug and Perf Drill-Out in Marcellus Wells
Juan Martinez, Oliver Floyd, Chris Holland, Dinh Ngoc Tran
Unconventional Resources Technology Conference (URTEC)
... casing, and in the fact that torque and drag (T&D) models should allow enough margin to compensate for any deviation in the directional plan during...
2024
Beyond Single-Well Productivity: Integrating Geological Data and Economic Metrics for Estimating Quality and Quantity of Remaining Inventory in the Montney Play, Western Canada
Henry Galvis, Trevor Rix, Dane Gregoris, Cayley Krynowsky
Unconventional Resources Technology Conference (URTEC)
... tagging of existing horizontal producers, performed by intersecting directional surveys with the stratigraphic subdivision (Lower, Middle or Upper...
2024
Fair Weather Versus Storm Processes in Shallow Marine Sand Bar Sequences in the Late Precambrian of Finnmark, North Norway
D. K. Hobday , H. G. Reading
Journal of Sedimentary Research (SEPM)
... spaced and dip at angles of between 6° and 17° (fig. 4). They are slightly S-shaped and enclose en echelon lenses of sandstone, which are internally...
1972
Some Inference Problems in Paleocurrent Studies
David J. Sanderson
Journal of Sedimentary Research (SEPM)
... Gabriel Canyon: Geol. Soc. America Bull., v. 51, p. 639-76. MARDIA, K. V., 1972, Statistics of directional data, Academic Press, London, 357 p. POTTER...
1973
Defining a Steeply-Dipping Salt Flank in Mississippi with a New High-Certainty 3D Method
Nicholas Brooks, Pat Donais, Werner Heigl, Jakob Haldorsen, Fred Li
GCAGS Transactions
... ‘attic oil’ remains against the flank and is drained with directional wells, if the salt flank position can be determined. Knowledge of the outer limits...
2015
Orientation of Orthocones in the English Lake District Based on Field Observations and Experimental Work in a Flume
P. Loubere
Journal of Sedimentary Research (SEPM)
.... (March), Experiments, using model orthocones, were undertaken in a flume to determine their orientation behaviour in the face of a uni-directional...
1977
Types of Wells
Mike Shepherd
AAPG Special Volumes
... drilling locations such as an offshore platform (Cheatham, 1992). One method of directional drilling uses an assembly with a mud turbine and a bit...
2009
Well Planning
Mike Shepherd
AAPG Special Volumes
... on the detailed drilling program. This will cover technical details such as casing selection, directional drilling design, and drilling mud type...
2009
Geomechanics and Drilling Challenges in the Deepwater Mississippi Fan Fold Belt—Case Histories from the Gulf of Mexico
Selim S. Shaker
GCAGS Transactions
... of the project was designed to avoid the salt body; drilling directional wells from GC 743 and 744 was a more economical and risk free option than...
2024
The Threshold of Grain Motion Under Oscillatory Flow in a Laboratory Wave Channel
John R. Dingler
Journal of Sedimentary Research (SEPM)
... and uni-directional currents with a discussion of the practical evaluation of the threshold: Jour. Sed. Petrology, v. 45, p. 362-7. KOMAR, P. D., 1975b...
1979
Pebble Morphology of an Ancient Conglomerate: The Middelvlei Gold Placer, Witwatersrand, South Africa
B. G. Els
Journal of Sedimentary Research (SEPM)
...------------------------ directional variances are typically less than 1,600. The maximum thickness of the conglomerate-quartz wacke sequence is about 7 m...
1988
Architecture and Directional Scales of Heterogeneity in Alluvial-Fan Aquifers: DISCUSSION
Terence C. Blair , John G. McPherson
Journal of Sedimentary Research (SEPM)
...Architecture and Directional Scales of Heterogeneity in Alluvial-Fan Aquifers: DISCUSSION Terence C. Blair , John G. McPherson 1995 Vol. 65B No. 3...
1995
A Technique for Processing Undisturbed Marine Sand Sediments and Reconstructing Fabric and Porometry
Kenneth J. Curry, Maritza Abril, Jana B. Avant, Conrad Curry, Richard H. Bennett, Matthew H. Hulbert
Journal of Sedimentary Research (SEPM)
... taken in stacked planes of microfabric images. The technique allowed us to detect variability in directional tortuosity as a function of orthogonal...
2002
Tectonic and Sedimentologic History of Lower Jurassic Sunrise and Dunlap Formations, West-Central Nevada
K. O. Stanley
AAPG Bulletin
... in troughs in the Pilot Mountains, Garfield Hills, and Gabbs Valley Range. Current directional features: Primary current directional features were measured...
1971
Stratigraphy and Environmental Sedimentology of Chickamauga Group, Middle Ordovician of Eastern Tennessee: GEOLOGIC NOTES
Mansour Kashfi
AAPG Bulletin
... that most of the bedding features observed in this unit are directional; in other words, they exhibit energy directions. Crossbedding is one of the most...
1974