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The AAPG/Datapages Combined Publications Database
Showing 4,233 Results. Searched 200,619 documents.
Modeling Differences in Drawdown between a Horizontal Water Well and a Vertical Water Well within a Confined Clastic Aquifer
Lisa Lynch Harrell
GCAGS Transactions
... with the potentiometric surface and higher drawdown at the well. Bakke, S., and J. Daudey, 1998, Introduction to directional drilling: Schlumberger Anadrill, Houston...
2006
Reliability of Cross-stratification Types as Paleocurrent Indicators in Fluvial Rocks
Lee R. High, Jr., M. Dane Picard
Journal of Sedimentary Research (SEPM)
... and the small channel to the extreme right. Length of scale is 15 cm. TABLE 1. Types of directional features (ancient and modern) appearing in 18 articles...
1974
Dimensional Grain Orientation Studies of Recent Coastal Sands
Joseph R. Curray
AAPG Bulletin
... by study of oriented cores, and to aid in the evaluation of other directional mass properties in sediments. BEAL, M. A., AND SHEPARD, F. P., 1956, "A Use...
1956
Late Cenozoic Imbricate Thrusting in Venezuelan Andes: GEOLOGICAL NOTES
Gregor N. Deratmiroff
AAPG Bulletin
...: a discussion: Geol. Soc. America Bull., v. 69, no. 7, p. 927-928. Mendez, T. G., 1966, El Terciario de una region en el flanco Andino noroccidental, Estado...
1971
Developments in Michigan in 1976
Garland D. Ells
AAPG Bulletin
..., discoveries have not been made in these younger rocks though shows have been fou d. DIRECTIONAL DRILLING At least 86 holes were directionally drilled...
1977
Developments in Michigan in 1977
Garland D. Ells
AAPG Bulletin
... rocks although shows of oil and gas have been reported. DIRECTIONAL DRILLING At least 98 holes were drilled directionally and completed during 1977...
1978
Use of Dipmeter Data in Clastic Sedimentological Studies (1)
C. HOCKER , K. M. EASTWOOD , J. C. HERWEIJER , and J. T. ADAMS
AAPG Bulletin
... in the formation or from processing artifacts, have no directional implication, and produce unsatisfactory signal-to-noise ratios. However, criteria have...
1990
A regional look at Morrow Formation gas in light of conflicting resource development in southeast New Mexico
Patrick Walsh
AAPG Bulletin
... half that of the surrounding area, which may also be underdeveloped. Operators have drilled a few directional wells to target Morrow Formation reservoirs...
2007
Optimization of Geosteering Workflows in Unconventional Reservoirs: A Vaca Muerta Case Study; #42604 (2025)
Angela Rodríguez, Nuncio Palermo, Rafael Aguilar
Search and Discovery.com
... Geosteering is a specialized technique used in horizontal and directional drilling to precisely guide the wellbore within the most productive zones...
2025
Improving Wellbore Placement Accuracy Using Stratigraphic Misfit Heatmaps
Timothy Gee, Stefan Maus, Alexander M. Mitkus, Kenneth McCarthy, David M. Velozzi, Rocky Mottahedeh
Unconventional Resources Technology Conference (URTEC)
... subjective process. Directional wells are drilled following a well plan, in which the position of the desired wellbore trajectory is specified in spatial...
2019
THE RELATIONSHIP BETWEEN HYDROCARBON ACCUMULATIONS AND BASEMENT STRUCTURAL ELEMENTS IN THE NORTHERN WILLISTON BASIN
D.M. Kent
Saskatchewan Geological Society
... general directional trends as those identified by Mollard and they interpreted them as being related bedrock structures also. In fact, the linears...
1974
Microseismic imaging with three-component borehole sensors
Jakob B. U. Haldorsen
International Meeting for Applied Geoscience and Energy (IMAGE)
... that are overlapping in time. It appears that for a sparse array of three-component sensors, focused vector migration resolves directional ambiguities...
2022
Chapter 3: Eolian Dune Morphology and Wind Regime
C. J. Schenk
Rocky Mountain Section (SEPM)
..., dune complexity seen at ground level requires on-site data. Such data allows an analysis of subpopulations of wind directional data in terms of local...
1990
Geological Considerations of the Weber Sandstone Reservoir, Rangely Field, Colorado
T.C. Larson
Rocky Mountain Association of Geologists
... in this area shows considerable heterogeneity with a weak northwest-southeast trend indicated. It would appear that in this area, the directional...
1975
Overcoming signal processing challenges on a deep-water sparse OBN survey: A case study from the Gulf of Mexico
Matthew Salgadoe, Nigel Seymour, Hongyan Li, Di Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... the nodal data to be used for a residual directional debubble. The downgoing wavefield was used to extract representative source signatures for the fore...
2022
A Numerical Index for Biostratigraphic Zonation in the Mid-Tertiary of the Eastern Gulf
Alan H. Cheetham, Phili B. Deboo
GCAGS Transactions
...), all of which are non-directional in their influence, and only secondarily from evolutionary and migrational causes, which are directional...
1963
The 'Geoseis' System: Seismic Prospecting with Detonating Cord - A Line Energy Source
D. W. Thompson
Petroleum Exploration Society of Australia (PESA)
... properties which include directional frequency filter• ing and horizontal noise cancellation. In designing suitable field parameters the geophysi• cist...
1985
LWD Geosteering and Natural Fracture Identification in Horizontal Wells in Unconventional Reservoirs
Greg Meszaros, Paul Boonen
West Texas Geological Society
... conventional and unconventional horizontal drilling to significantly extend the horizontal section. At-bit measurements allow for greater directional control...
2006
Niobrara Sweet Spots, Basement Geology, and Sea Floor Geochemistry
Monte Swan, Stan Keith
Unconventional Resources Technology Conference (URTEC)
... to a depositional site on the sea floor. These patterns can be mapped and ‗vectored‘ because they provide directional and magnitude information...
2013
3D Seismic Proves its Value in Bakken Geosteering
Angie Southcott, Harold Harper
Unconventional Resources Technology Conference (URTEC)
... costing: time, money, or lateral length. Geosteering errors were defined that way to distinguish them from directional errors, where we may have gone...
2014
Shaping regularization by fast explicit diffusion
Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
... operators (Grewenig et al., 2010). Wu and Guo (2019) adopted this approach in combination with directional structure tensors (Wu, 2017) for enhancing...
2022
Anisotropy template for transversely isotropic rocks
Gama Firdaus, Arkhat Kalbekov, Jyoti Behura, Manika Prasad
International Meeting for Applied Geoscience and Energy (IMAGE)
..., especially in the field. We present here a workflow for an anisotropy template that can be used to predict directional moduli changes due to stress...
2022
Bentayan Field Development — An Exploitation Success
Herry Wibiksana, Greg Mawhinney, Richard A. Lorentz
Indonesian Petroleum Association
... development. Eight (8) wells were drilled vertical, three directional and one vertical but sidetracked. Serious hole problems occured in directional drilling...
1992
Adaptive OCCAMs inversion for the interpretation of borehole ultra-deep azimuthal resistivity measurements
Wardana Saputra, Junsheng Hou, Carlos Torres-Verdín, Sofia Davydycheva, Vladimir Druskin
International Meeting for Applied Geoscience and Energy (IMAGE)
...- and water-bearing formations. A directional well with a constant inclination of 85ο penetrates the continuous layer. Figure 3 shows inversion results...
2023
Reflection waveform inversion regularized with structural constraints and scattered data interpolation
Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng
International Meeting for Applied Geoscience and Energy (IMAGE)
..., structural information from migration or other sources can be incorporated into model regularization as guidance for constraints, such as directional TV...
2023