Results 111 to 120 of about 30,193 (302)
Scientific ReportsMany countries and regions in the world have obtained industrial oil flow in the Meso-Neoproterozoic sedimentary strata and formed commercial exploitation in recent years.
Cong Tan +5 more
doaj +1 more source
Tunnel Support. Use of Lattice Girders in Sedimentary Rock [PDF]
, 2011 Icelandic geology is highly influenced by its location on the Mid Atlantic ridge. Changes in geological conditions are therefore frequent in Icelandic tunnels and flexible rock support methods are required to deal with constant variation of rock mass ...
Einar Hrafn Hjálmarsson 1983-
core
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT Excessive water production in mature oil fields necessitates robust shut‐off treatments, yet conventional polymer gels often fail under high‐temperature and high‐salinity conditions. This study aims to enhance gel thermal stability and mechanical strength by incorporating selenium‐doped Ag/AgO–ZnO nanocomposites synthesized via a novel green ...
Fadhil F. Sead +8 more
wiley +1 more source
ConcepTest: Sedimentary Rock Formation [PDF]
, 2004 This Starting Point webpage describes a ConcepTest question that asks students to fill in the blank. Concrete is formed by adding cement and water to a mixture of sand and gravel.
David McConnell +2 more
core
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT A thermosetting in situ curing resin microsphere system has been developed. It has controllable phase transition time and particle size. This system addresses the current challenges of low strength, shear susceptibility, and short phase transition time in polymer microsphere blockers and thermoplastic particle blockers.
Baolei Jiao +5 more
wiley +1 more source
Sedimentary facies and unconformity analysis of some Paleocene-Eocene sections, Marlborough and Campbell Island, New Zealand [PDF]
, 2010 Throughout the Late Cretaceous to Eocene, sedimentation in gradually subsiding basins on the passive eastern margin of the micro-continent of Zealandia recorded climatic and paleoceanographic changes in a greenhouse world.
Andrew, Benjamin Steven, Andrew, Ben
core
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT Wellbore instability driven by the volumetric expansion of reactive shale formations remains a primary operational challenge in modern drilling engineering, causing severe mechanical failures and substantial economic deficits. The objective of this study is to formulate and evaluate a novel dual‐action chemical additive capable of ...
Ghaleb Oriquat +8 more
wiley +1 more source
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT Enhancing oil recovery (EOR) in mature reservoirs is hindered by high interfacial tension (IFT) and oil‐wet rock formations, especially under harsh, high‐salinity conditions. This study aims to overcome these limitations by synthesizing a novel carbon nanotube nanocomposite covalently grafted with polyethylenimine and non‐covalently ...
Mohamed Abu Shuheil +8 more
wiley +1 more source
Minimum stress and pore fluid pressure in sedimentary basins [PDF]
, 2001 Leak-off pressures (LOPs) recorded during leak-off tests (LOTs) conducted down boreholes are often used to estimate the magnitude of the minimum stress (usually assumed to be horizontal – S(_h)) in the subsurface.
White, Adrian James
core
The Anatomical Record, EarlyView.Abstract New data on the equine aortic valve obtained using advanced techniques is especially important given the greater availability of animal models for translational research. Here we characterized the morphological and morphometric aspects of the equine aortic valve from 60 healthy hearts collected at equine abattoirs.
Vitor Pires Pereira +3 more
wiley +1 more source