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The AAPG/Datapages Combined Publications Database
Showing 2,890 Results. Searched 200,357 documents.
On the absorbing boundaries to replicate semi-infinite half-space in numerical seismic analyses using the finite element method
Tyler R. Hebert, James M. Bryce, Arka Prabha Chattopadhyay
International Meeting for Applied Geoscience and Energy (IMAGE)
... computational results of PML from the literature. The quality of absorption was quantified based on the residual strain energy and displacements present...
2022
Tengiz field fault shadows mitigation with combined joint FWI-tomography, Q-tomography, and least-square migration
Tianjiang Li, King Sim Lee, Bin Gong, Kai Yang, Kai Zhang, Assem Bibolova, Zhanibek Katrenov
International Meeting for Applied Geoscience and Energy (IMAGE)
... porous subsurface caverns, suffered from the amplitude loss beneath the fault shadow zones. An early effort spent in the 2018 pilot work (Li, 2020...
2022
Mineralogic and Physico-Chemical Studies of Lahad Datu Bentonite
Khairuddin Abd. Karim, Radzuan Junin
Geological Society of Malaysia (GSM)
... the cation exchange capacity (CEC). Some of the physico-chemical properties determined were moisture absorption (MA), ignition loss (lL), moisture...
1992
Oil and Oil-Like Substances in Primorye
L. D. Miroshnikov, I. P. Smilga, I. A. Shekhorkin
Petroleum Geology: A Digest of Russian Literature
... by the absorption spectrum of the petroleum-ether fraction in the infrared area. See Fig. 1. The absorption doublet in the 720–740 cm−8 interval indicates...
1966
Wettability of Mississippian Barnett Shale samples at different depths: Investigations from directional spontaneous imbibition
Zhiye Gao, and Qinhong Hu
AAPG Bulletin
... pore systems by porosimetry, pycnometry, surface area, and field emission scanning electron microscopy/transmission electron microscopy image analyses...
2016
Design and Analysis of Improved Swelling and Degradable Diverting Agent for Multistage Hydraulic Fracturing
Keito Ikebata, Tomoki Onishi, Kenji Furui, Shusaku Mandai, Yasuhiro Hirano, Yuya Kanamori, Bessie Psihogios, Ryosuke Taniguchi
Unconventional Resources Technology Conference (URTEC)
... are illustrated in Fig. 1. The BVOH particle starts swelling from the particle surface by water absorption and the size of the core in the particle...
2021
Important Parameters of Injecting Fluid Design in ASP-EOR Projects
Sugihardjo, Edward ML Tobing, Ego Syahrial
Indonesian Petroleum Association
... solution (with cosolvent whenever applicable) in a 5ml pipette. The ends are flame-sealed to prevent loss due to volatilization. After pouring...
2008
Effectiveness of pilot-scale wetland designs in removing estrogenic compounds from municipal wastewater plant effluent
Eric W. Peterson, Adam Lanning
Environmental Geosciences (DEG)
...% removal of E2 and E1 was achieved. The wetland environment provides two possible pathways for E2 removal from the wastewater. The first is the loss...
2009
Sparse time-frequency representation based on Unet with domain adaptation
Yuxin Zhang, Naihao Liu, Yang Yang, Zhiguo Wang, Jinghuai Gao, Xiudi Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
... (MSE) is chosen as the loss function, which drops from 0.0033 to 0.0003 after training 70 epochs. It means that we obtain a stable STFRUnet model...
2022
Characterization of Free and Bound Fluids in Hydrocarbon Bearing Shales Using NMR and Py GC-MS
Jameson P. Gips, Hugh Daigle, Mukul Sharma
Unconventional Resources Technology Conference (URTEC)
...) Cumulative Weight % - Oven % Loss - Oven Cumulative Weight % - TGA % Loss - TGA Derivative Weight 100.00% Normalized Weight 25.00% Normalized...
2014
Characterization of Thermal Evolution of Pores and Fluids in Shales Using NMR 2D Measurement
Han Jiang, Hugh Daigle, Boyang Zhang, Xiao Tian
Unconventional Resources Technology Conference (URTEC)
... a similar evolution pattern during thermal maturation. Introduction Nuclear magnetic resonance (NMR) refers to the absorption and re-emission...
2018
THE BAKOS DEPOSIT DISCOVERY - A CASE HISTORY
R. CHAPMAN, G. CURRY, AND V. SOPUCK
Saskatchewan Geological Society
..., whereas the 1984 survey employed low temperature ashing followed by graphite furnace-atomic absorption. The greater than 10 ppb gold contour outlined...
1990
Lake Chad: Geochemistry and Sedimentary Aspects of a Shallow Polymictic Lake
John S. Mothersill
Journal of Sedimentary Research (SEPM)
... supplies approximately 95% and the Yobe River supplies the remainder of the fluvial addition to Lake Chad. The water loss from the lake is mainly...
1975
Occurrence of Natural Gas in Mexican Oil Fields, with Notes on Lake Chapala Region and Valley of Mexico
John M. Muir
AAPG Special Volumes
...----------------------- from a flowing well would decline 40 per cent in volume after settling for 12 hours, due to loss of gas. Striking differences...
1935
Weathering of Rocks in Arctic and Sub-Arctic Environment
P. P. Hudec
CSPG Special Publications
... range. True frost action is active only in the coarser grained rocks, and only in those that saturate critically by absorption of bulk water. Anderson, D...
1973
U, Sr, and Mg in Holocene and Pleistocene Corals A. Palmata and M. Annularis
Timothy S. Cross , Barbara W. Cross
Journal of Sedimentary Research (SEPM)
... values for all samples, modern and fossil, were determined at Brown University on a Perkin Elmer 303 Atomic Absorption Spectrophotometer. Precision...
1983
Physical Processes in the Ocean: Part 2: Relation of Oceanography to Sedimentation: PART 1
R. H. Fleming, Roger Revelle
AAPG Special Volumes
... depths. The potential temperatures are then computed. These are the temperatures the water would have if raised to the surface with no loss or gain...
1939
Oil, bitumen, and other confusing concepts: What do lab experiments really tell us?
Alan K. Burnham, Andrew E. Pomerantz, and Francois Gelin
AAPG Bulletin
...: The role of organic absorption: Organic Geochemistry, v. 19, p. 77–87, doi:10.1016/0146-6380(92)90028-V. Schuler, B., G. Meyer, D. Pena, O. C...
2018
Stratigraphy of Lake Deposits in Central and Northern Minnesota
Frederick M. Swain
AAPG Bulletin
... characterizations were made by means of absorption spectra in the visible, infra-red, and ultra-violet ranges. In Burntside the extracts were mainly...
1956
Natural Gas Sweetening by the Combination of Semi-Permeable Membranes and Fixed Bed Chemical Absorbents
Steve B. Heinemann, Colin Woodward
Southeast Asia Petroleum Exploration Society (SEAPEX)
... and is sent to one of the two fixed bed H2S absorption reactors. (Details of the process are given in Section 6 below.) The H2S content of gas passing...
1996
COALBED METHANE IN MONTANA
Betsy Campen, Ted Campen
Montana Geological Society
..., absorption and solution dissolution. Because of the small pore structure and fracture system in coal there is a large surface area in which...
1989
The Genesis and Characteristics of Primary Kaolinitic Clay Occurrence at Bukit Lampas, Simpang Pulai, Ipoh
Kamar Shah Ariffin, Haryati Abdul Rahman, Hashim Hussin, Kahirul Anwar Abdul Hadi
Geological Society of Malaysia (GSM)
... and sampling locations. was also performed. The tests included moisture content, iron content, loss on ignition (LOI), pH, moisture, plasticity and specific...
2008
Spatial and Temporal Distribution of Heavy Metals in Lake Sediments Near Sleeping Bear Point, Michigan
Jeffrey T. Cline , Richard L. Chambers
Journal of Sedimentary Research (SEPM)
..., p. 1359-1375. DOW CHEMICAL CO., MIDLAND MICH., 1970, Determination of mercury by atomic absorption spectrometric method. DUCHART, P., S. E. CALVERT...
1977
Radiaxial Calcite in Lower Miocene Strata, Subsurface Enewetak Atoll
Arthur H. Saller
Journal of Sedimentary Research (SEPM)
... in Enewetak radiaxial calcite may be the result of original heterogeneity or differential loss of magnesium during later diagenesis in seawater...
1986
Quantifying Capillary Trapping on Ultimate Coal Seam Gas Recovery: A Laboratory Study
Yiran Zhu, Zhang Shi, Huilin Xing, Shuai Gao, Zhongwei Chen
Unconventional Resources Technology Conference (URTEC)
... gas, capillary trapping, contact angle, gas absorption/desorption, matrix deformation Introduction Coal is usually considered as dual-porosity...
2021