Results 71 to 80 of about 1,610,812 (206)

An investigation into design concepts, design methods and stability criteria of salt caverns

open access: yesOil & Gas Science and Technology, 2019
Salt rock has been used as hast rock to storing hydrocarbons and disposing nuclear wastes because of its low permeability. On other hand it deforms under even low deviatoric stress which threatens the structural stability of salt caverns. Rock mechanical
Habibi Rahim
doaj   +1 more source

Biopsy of Iris and Anterior Chamber Tumours: Fine Needle, Minimally Invasive and Excision Techniques ‐ Review

open access: yesClinical &Experimental Ophthalmology, Volume 54, Issue 7, Page 955-973, September/October 2026.
ABSTRACT Several benign, inflammatory and malignant lesions can present as iris or anterior chamber masses, including iris naevi, cysts, adenomas, leiomyomas, nodules, vascular tumours, melanomas, metastases, as well as iris and pigment epithelium adenocarcinomas. Fortunately, benign iris lesions are much more common than malignant tumours and many can
Charles N. J. McGhee   +3 more
wiley   +1 more source

Recovery Factor of Pure Helium Injection in Depleted Gas Reservoirs and Its Influencing Factors

open access: yesEnergy Science &Engineering, Volume 14, Issue 8, Page 3922-3934, August 2026.
This study employs compositional numerical simulation to systematically investigate the effects of injection rate, production rate, storage duration, and injection‐production scheme on pure helium recovery in depleted gas reservoirs. Low injection rates reduce viscous fingering while high production rates maximize near‐wellbore helium extraction ...
Shijie Zhu   +6 more
wiley   +1 more source

Research on the Mechanical Behavior of Interlayer-Salt Rock Interface in Salt Cavern Gas Storage Under Storage-Release Cycle

open access: yesEnergies
The interlayer-salt rock interface in the surrounding rock of salt caverns is the main channel for gas leakage during long-term operation of salt cavern gas storage (SCGS).
Xiaochuan Yang   +5 more
semanticscholar   +1 more source

A Trajectory Optimization Design Method for the Directional Wells in Jintan Salt-Cavern Underground Gas Storage of Jiangsu

open access: yesShiyou jixie, 2021
The lower vertical section in the directional well of salt-cavern underground gas storage is too short, which leads to partial solution of salt cavity because the solution mining string is not vertical in the late stage.
Fu Pan   +6 more
doaj  

Numerical estimation of structural integrity of salt cavern wells.

open access: yes, 2016
Finite element analyses were performed to estimate axial deformation of cavern wells due to gas storage operations in solution-mined salt caverns. Caverns shrink over time due to salt creep and the cavern roof subsides potentially threatening well ...
Schreppers, G.J.   +2 more
core  

Constant-pressure operation technology for salt cavern gas storage through solution mining under gas

open access: yes, 2020
The efficient operation of salt cavern gas storage, as an ancillary facility of the gas pipeline network, is of greatsignificance to ensure the stable gas supply of the pipeline network.
Jun HE   +4 more
core   +1 more source

Mechanical responses of deep salt caverns under synchronous and asynchronous operation strategies

open access: yesEnergy Geoscience
In China, gas storage in deep salt caverns faces challenges due to high in situ stresses, elevated geothermal temperatures, and the presence of interbedded salt-mudstone formations. These factors lead to heterogeneous deformation and stress concentration,
Zhenxing Ji   +6 more
doaj   +1 more source

Effects of Stress Extrapolation and Dilatancy on Salt Cavern Design: An Application to Underground Hydrogen Storage

open access: yesRock Mechanics and Rock Engineering
The long-term behavior of rock salt is commonly predicted using creep laws fitted on laboratory data at medium-high deviatoric stresses (≥\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb ...
J. A. Jiménez-Camargo   +3 more
semanticscholar   +1 more source

LOSAC: a first salt cavern abandonment software

open access: yes, 2002
Over recent years, considerable research effort, especially by the SMRI, has been invested on the subject of the long-term abandonment of salt caverns. At this point in time, the industry has still not clearly identified a universally accepted concept or
Durup, Gérard   +2 more
core   +1 more source

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