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Keywords: steel
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Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0581
... ABSTRACT: In subsurface engineering applications, such as wellbore integrity, the interface between cement and steel is integral to expected functionality. The interface between steel and cement is often a structural weak point in many systems, however, the critical parameters for debonding...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0899
... and steel sets are treated as the composite section of a straight beam as a homogenized section of equivalent mechanical properties of the two materials, and the contribution of the supporting elements, including rock bolt, is incorporated into the solution as uniformly distributed radial pressures...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1142
... tunnel humidity international journal hazard structural geology geological drilling rig mileage deep-buried tunnel reservoir characterization engineering steel tbm geological hazard tbm1 shield rock mechanic tbm jamming ARMA 24 1142 TBM tunnelling under adverse geological conditions...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1180
... ABSTRACT: This study conducted corrosion experiments on three types of oilfield casing steels commonly used in wastewater re-injection environments: N80, L80-3Cr, and L80-13Cr. It was discovered that N80 casing steel exhibited severe pitting corrosion, L80-3Cr casing steel showed uniform...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0322
... ABSTRACT: Aiming at the problem of dynamic changes in mechanical properties of oil pipes (N80 steel), casings (J55, TP90H, P110 steel) and surface gathering and transportation pipelines (20#) in the multi-component thermal fluid corrosion environment during the thermal recovery of heavy oil...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0603
... geomechanics tunnel composite lining structure china government construction period increase percentage maximum compressive stress steel geological subdiscipline concrete lining class iv class iii bearing capacity thickness ARMA 23 0603 Study on the mechanical characteristics and optimization...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0803
..., aquifer formations or depleted hydrocarbon reservoir fields. However, many important aspects have to be studied before its full-scale implementation, among them (1) the effect of spatial variation of rock mass properties and (2) hydrogen embrittlement on the steel lining. We present a numerical study...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0157
... ABSTRACT: Corrosion of tubing steel induced by H 2 S and CO 2 is an important risk factor for oilfield production and development. The trace amounts of H 2 S can induce local corrosion of X65 carbon steel, but there are few researches on the corrosion of low Cr steel. In this paper...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0527
... void. Once completed the project will allow for a total increase of 900,000 cubic metres of storage. Furthermore, a finite element study has been conducted to investigate the structural performance of a proposed design using corrugated steel sheets. Stresses and displacements are studied taking...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1304
... rock, the stress of steel arches and the deformation of primary lining. Based on the monitoring data, the temporal as well as the long-term spatial characteristics of mechanical behavior of surrounding rock mass and lining structure due to excavation process were analyzed and discussed. It is found...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1793
... the mechanical integrity of these wells during the lifetime of the field. Upstream Oil & Gas drawdown drawdown scheme reservoir geomechanics modeling geomechanical model Integrity Risk shale mechanical property Simulation steel operation Reservoir Characterization strength cement...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-831
... that we encountered during the experiment was birefringence of fiber optic glass under stress, which leads to an ambiguity in strain measurements. 2. PRINCIPLE OF FBG SENSORS Fiber Bragg alteration FBG sensor sensor spectrum step increase steel MPa steel adapter fiber optic Upstream...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-183
... performance of four different rigid and flexible support systems. These systems were (i) lattice girder with shotcrete, (ii) lattice girder with shotcrete and additional steel ribs, (iii) steel fibre reinforced shotcrete (SFRS) and (iv) multi-layers of steel arches. Our analysis shows that despite...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0587
... ABSTRACT: This work is performed in the framework of feasibility study of underground repository for High-Levels radioactive Wastes. Based on the design concept of ANDRA, the retrievability of waster packages requires ensuring the mechanical stability of the steel liner for several thousand...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0867
... until failure was observed in the form of radial cracks within the cement. cement property casing and cementing US government strength Radiograph cement chemistry experimental apparatus cement annulus sandstone steel cement formulation Upstream Oil & Gas radial stress radial...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-848
... standing steel set supports. In the last several years, Keystone Mining Services, LLC (KMS) has assisted many coal mines with their belt entry rehabilitation projects, evaluated ground condition of various aged belt entries, and designed different standing steel set support systems. This paper presents...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7392
.... clay, steel and air) are taken into account in numerical simulation. Their mechanical behaviour are characterised by different constitutive models respectively. In order to overcome the eventual numerical difficulties and quantitatively reproduce the closing process of spaces presented in the disposal...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-450
... Characterization ferroniobium niobium stope presentation excavation esg solutions Upstream Oil & Gas mining method Implementation American Rock mechanics Association open stope carbonatite Niobec metals & mining steel uniaxial accelerometer 1 pillar seismic system ARMA 13-450...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-437
... consider two stress-permeability models: tensile-failure and shear-failure. Tensile failure represents the creation of annuli at the steel-cement or cement-rock interfaces. Shear-induced damage is similar to a Mohr-Coulomb slip mechanism used to represent displacements on faults. Two injection conditions...
Proceedings Papers

Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-093
... plans for each section along the slope. (3) Design of long term standing support in the form of steel sets based on the current industry standards by the American Institute of Steel Construction (AISC); and (4) Validation and performance evaluation of the designed steel set structure under extreme...

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