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Pipe light

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Journal Articles
OIJ 2020 (10): 94–98.
Paper Number: OIJ-2020-10-094-098-RU
Published: 01 October 2020
...@niitnn.transneft.ru, HovanovGP@niitnn.transneft.ru Researching effect of biocontamination of pumped light oil products on corrosion resistance of the pipe steel and influence of corrosion process on fuel quality L.P. Hudyakova1, A.A. Shestakov1, R.A. Harisov1, I.R. Farhetdinov1, G.P. Khovanov1, F.V. Timofeev1...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 1993
Paper Number: OTC-7262-MS
... Abstract Light-weight flexible pipe is needed for deep-water offshore oil fields, but there is a limit to the depth at which conventional flexible riser pipe can be used. In this paper we first describe the concept of the limits of applicability for conventional flexible riser pipe and discuss...
Proceedings Papers

Paper presented at the CORROSION 2003, March 16–20, 2003
Paper Number: NACE-03711
... passenger transportation ground transportation downtown area pipe current measuring hoop Reservoir Surveillance light rail transit system Rail Transit System revenue operation production monitoring construction base line survey Airport operation current flow production control...
Proceedings Papers

Paper presented at the CORROSION 2005, April 3–7, 2005
Paper Number: NACE-05248
... of the LRT system are evident at points tested on the gas piping. INTRODUCTION The Hiawatha Light Rail Transit (LRT) system in Minneapolis, Minnesota is a modem, state of the art operation. Figure 1 shows a two-car train at the intersection of Portland Ave. S. and 5 th St. S. in downtown Minneapolis...
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DwpD (<b>light</b> blue) drill <b>pipe</b> and wireline (dark blue) corrections. Wireline...
Published: 23 September 2019
Figure 8 DwpD (light blue) drill pipe and wireline (dark blue) corrections. Wireline stretch coefficient ( St. Coeff ) is assumed to be 6.5E-07 ft/ft/lbf. This assumption will change the slope of the curve, but not the shape characteristic. The (green) arrows show the major changes in well More
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<b>Light</b> <b>Pipe</b>- VIV forces for Vibration Amplitudes of 0.01m
Published: 12 November 2018
Figure 7 Light Pipe- VIV forces for Vibration Amplitudes of 0.01m More
Images
<b>Light</b> <b>Pipe</b>- History of Midnode Displacement at Start of Dynamic Simulation
Published: 12 November 2018
Figure 8 Light Pipe- History of Midnode Displacement at Start of Dynamic Simulation More
Images
<b>Light</b> <b>Pipe</b>- History of Midnode Longitudinal Stress Ranges at Start of Dynam...
Published: 12 November 2018
Figure 9 Light Pipe- History of Midnode Longitudinal Stress Ranges at Start of Dynamic Simulation More
Images
<b>Light</b> <b>Pipe</b>- Lateral Displacement History of Crossing Midnode
Published: 12 November 2018
Figure 10 Light Pipe- Lateral Displacement History of Crossing Midnode More
Images
<b>Light</b> <b>Pipe</b>- Effective Axial Force at Crossing Midnode
Published: 12 November 2018
Figure 11 Light Pipe- Effective Axial Force at Crossing Midnode More
Images
<b>Light</b> <b>Pipe</b>- Close-up of pipeline resting against sleeper shoulder
Published: 12 November 2018
Figure 12 Light Pipe- Close-up of pipeline resting against sleeper shoulder More
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, April 5–7, 2005
Paper Number: SPE-93784-MS
... the valve, but the wellbore above is vented, which eliminates the "pipe light" condition completely and removes the need for snubbing. The DDV is a full-bore casing valve, hydraulically controlled from surface via control lines; it is run with the casing and can be cemented in place. One onshore high...
Journal Articles
J Pet Technol 62 (06): 24–27.
Paper Number: SPE-0610-0024-JPT
Published: 01 June 2010
... and well-control problems Use of snubbing techniques to trip the pipe in and out of the hole above the “pipe-light” depth, with the associated added cost and risk. Overall operational safety Operational economics As a result, mitigating drilling hazards and reducing operational non-productive time (NPT...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology, September 9–11, 2002
Paper Number: SPE-77241-MS
... to handle the drillpipe while pipe-light. Significant surface compressive loading is exerted on the pipe during the snubbing phase. The focus of this paper is two-fold. First we consider buckling of the drillpipe in the snubbing jack and on the drill floor when a static compressive load is applied...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, February 23–25, 2005
Paper Number: SPE-92595-MS
... is stripped through the wellhead, the pressure must be managed to prevent a pipe-light situation. Killing the well to control it and allow for conventional tripping of drillstring is not always a viable solution; and, until recently, the only accepted method for tripping drillstring in a constant...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology, September 9–11, 2002
Paper Number: SPE-77240-MS
.... It is clear that a better and safer method is needed, since all the above carry disadvantages, and to this end a new method involving a downhole valve was conceived.In this approach a full opening valve which can be closed below the drill string while tripping, is deployed downhole below the "pipe light...
Journal Articles
J Pet Technol 68 (04): 58–59.
Paper Number: SPE-0416-0058-JPT
Published: 01 April 2016
... similarity leading to kick and loss cycles and well-control problems A necessity for snubbing techniques to trip the pipe in and out of the hole above the “pipe light” depth, with the attendant added cost and risk Overall operational safety and environmental issues Operational economics and the effect...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, January 28–29, 2008
Paper Number: SPE-113685-MS
... when the bit is near surface to manage the pipe light forces of a flowing or shut in well. The second method less familiar in the industry and in 2 SPE/IADC 113685 the trial phase offered a more operationally friendly alternative to snubbing operations. This option was a down hole valve similar...

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