Results 1 to 10 of about 205,088 (194)

Analysis of logging parameter model of Jurassic complex reservoir in Xinjiang Shenquan Oilfield [PDF]

open access: yesE3S Web of Conferences, 2021
The study discusses the characteristics of Jurassic reservoir in Shenquan Oilfield in Xinjiang. The reservoir of Qiketai Sanjianfang formation mainly develops delta front facies and shore shallow lake facies sand bodies.The lithological characteristics ...
Li Yanjie   +10 more
doaj   +1 more source

Clinical Evaluation of the Torq Zero Delay Centrifuge System for Decentralized Blood Collection and Stabilization

open access: yesDiagnostics, 2021
Blood sample collection and rapid separation—critical preanalytical steps in clinical chemistry—can be challenging in decentralized collection settings.
Kyungjin Hong   +11 more
doaj   +1 more source

PETROGRAPHIC AND PROVENANCE OF THE SANDSTONE OF RAWALPINDI GROUP IN LESSER HIMALAYAS [PDF]

open access: yesEarth Science Malaysia, 2021
In the present work, we deal with the petrographic and provenance of the sandstone of the Rawalpindi group in the lesser Himalayas. The formations present in the project area are Murree and Kamlial Formations of the Rawalpindi group.
Sayed Mushahid Hussain   +2 more
doaj   +1 more source

Experimental Investigation of Pore Characteristics and Permeability in Coal-Measure Sandstones in Jixi Basin, China

open access: yesEnergies, 2022
The research of pore and permeability characteristics of tight sandstone reservoirs in coal-measure is critical for coal-measure gas development. In this study, the pore systems of tight sandstones were studied based on low-field nuclear magnetic ...
Huazhou Huang   +5 more
doaj   +1 more source

Experimental Study on the Floor Heave and Failure Process of Rock Samples under Biaxial Step Loading

open access: yesApplied Sciences, 2023
Floor heave is a typical tunnel issue in tunnelling engineering. To gain deep insights into the deformation mechanism and failure processes of floor heave at the bottom of a tunnel in layered rock, biaxial step-loading tests were conducted on rock ...
Diyuan Li   +4 more
doaj   +1 more source

Tracing groundwater flow and sources of organic carbon in sandstone aquifers using fluorescence properties of dissolved organic matter (DOM) [PDF]

open access: yes, 2008
The fluorescence properties of groundwaters from sites in two UK aquifers, the Penrith Sandstone of Cumbria and the Sherwood Sandstone of South Yorkshire, were investigated using excitation-emission matrix (EEM) fluorescence spectroscopy.
D.J. Lapworth   +41 more
core   +2 more sources

Experimental Study on Microscale Simulation of Oil Accumulation in Sandstone Reservoir

open access: yesFrontiers in Physics, 2022
It is generally believed that conventional hydrocarbon accumulates in sandstone traps after migrating at a certain distance. Unconventional hydrocarbon only migrates at a short distance before accumulation or being imbibed in the tiny pores of shale and ...
Dazhong Ren   +5 more
doaj   +1 more source

Evidence of Springwater Acidification in the Vosges Mountains (North-East of France): Influence of Bedrock Buffering Capacity [PDF]

open access: yes, 1999
Investigations on springwater acidity were carried out in the Vosges mountains (north-eastern France). Acid or poorly buffered spring and streamwaters were detected in the same area.
Dambrine, Etienne   +5 more
core   +2 more sources

Impact pressures generated by spherical particle hypervelocity impact on Yorkshire Sandstone [PDF]

open access: yes, 2007
Hypervelocity impact tests were carried out at 4.8 km/s using the Open University's All Axis Light Gas Gun (AALGG) in the Planetary and Space Sciences Research Institute (PSSRI)'s Hypervelocity Impact Laboratory.
Cockell, C. S.   +5 more
core   +1 more source

KAMLIAL SANDSTONE AS AN AGGREGATE PROBLEM FOR CONSTRUCTION INDUSTRY, PALANDRI AZAD KASHMIR [PDF]

open access: yesEarth Sciences Pakistan, 2021
Study area concedes the compressional stresses caused by the collision of Indian and Eurasian plates molded the northwest- southeast trending faults which are Riasi Fault (RF), Palandri Fault (PF), Godri Badshah Fault (GBF) and Chhechhan Fault (CF). This
Muhammad Haziq Khan   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy