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Keywords: Stability
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Journal Articles
Article Type: Research Papers
J. Energy Resour. Technol. July 2022, 144(7): 073008.
Paper No: JERT-21-1098
Published Online: September 8, 2021
...Titus Ntow Ofei; Bjørnar Lund; Arild Saasen; Sigbjørn Sangesland Drilling fluids for oilfield use consist of complex mixtures of natural and synthetic materials. The viscous properties along with the particle size distribution of the applied weight materials are vital in controlling the stability...
Journal Articles
Article Type: Research-Article
J. Energy Resour. Technol. July 2019, 141(7): 070709.
Paper No: JERT-18-1563
Published Online: May 8, 2019
...Pengfei Liu; Mingming Zhu; Zhezi Zhang; Dongke Zhang This study was aimed to understand the rheological properties and stability characteristics of biochar-algae-water (BAW) slurry fuels prepared by wet milling. A pine sawdust biochar and a chlorella vulgaris algae were used in preparing the slurry...
Journal Articles
Article Type: Research Papers
J. Energy Resour. Technol. December 2009, 131(4): 041801.
Published Online: November 12, 2009
...M. Farahani; D. J. Y. S. Pagé; M. P. Turingia; B. D. Tucker A biodiesel storage stability study was conducted on ultralow sulfur diesel fuel (ULSDF) and three biodiesel basestocks (B100) and fuel blends (B2, B5, B10, and B20). The storage stability study consisted in measuring and monitoring...
Journal Articles
Article Type: Research Papers
J. Energy Resour. Technol. March 2009, 131(1): 013103.
Published Online: February 6, 2009
.... The current study shows that the stability of ester-based drilling fluids at high temperature conditions depends on the composition so that the selection of proper components and additives such as emulsifiers, stabilizers, copolymers, viscosifiers, and rheological modifiers can increase the temperature...
Journal Articles
Article Type: Research Papers
J. Energy Resour. Technol. December 2007, 129(4): 281–288.
Published Online: May 7, 2007
... a methodology for reducing the number of modes representing the drill string. The frequency response function and stability diagram are used as measures of dynamic similarity between the proposed model and the drill string. We also introduce a novel approach to represent a drill string in laboratory test rigs...
Journal Articles
Article Type: Technical Papers
J. Energy Resour. Technol. December 2002, 124(4): 223–230.
Published Online: November 20, 2002
... 30 April 2002 20 11 2002 oil technology stability filtration chemical reactions chemical analysis scanning electron microscopy The interaction of drilling fluid with a producing formation can cause various kinds of instability problems. The instability results from mud...
Journal Articles
Article Type: Technical Papers
J. Energy Resour. Technol. June 2002, 124(2): 83–89.
Published Online: May 28, 2002
...Jonathan A. Montgomery; Hoi C. Yeung The prediction of slug formation and slug size has a direct impact on the design of topsides separation facilities and flow assurance to the process. The characteristics and stability of liquid production from an S-shaped riser have been studied over a range...
Journal Articles
Article Type: Technical Papers
J. Energy Resour. Technol. September 2001, 123(3): 181–186.
Published Online: April 10, 2001
... are derived on the stability of precession and on the evolution of impacting motions towards precession. It is found that increasing coefficients of friction and contact damping have a favoring effect on precession, while the stiffness and damping of the drillstring bending mode have an opposing effect...
Journal Articles
Article Type: Technical Papers
J. Energy Resour. Technol. June 2001, 123(2): 127–132.
Published Online: December 11, 2000
...Antonio C. Bannwart, Assoc. Mem. ASME A theory for the stabilization of annular liquid-liquid flow (i.e., core-annular flow) in a horizontal pipe is proposed. Based upon the analysis of the momentum conservation equation in the cross section of the flow, including the effects of peripheral flow...
Journal Articles
Article Type: Technical Papers
J. Energy Resour. Technol. March 2001, 123(1): 50–58.
Published Online: November 6, 2000
...O. Piepers; P. P. Breithaupt; A. B. N. van Beelen Stabilization of the combustion of natural gas in high-temperature processes by using the auto-ignition of the fuel when mixed with highly preheated air is well known and has found application on many occasions. Reasonably strong internal flue gas...
Journal Articles
Article Type: Technical Papers
J. Energy Resour. Technol. June 2001, 123(2): 138–143.
Published Online: November 6, 2000
...M. A. Elsayed, Mem. ASME; L. F. Washington, Mem. ASME Previous research in stability of drillstrings was based on the assumption of constant material specific force, i.e., a bit force that is proportional to the area of cut. Moreover, earlier work used a simplified bit model that consisted...