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Keywords: contact pressure
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31714-MS
... (FEA) results. The satisfactory correlation between numerical methods and physical tests provides reliability in design and validation method to develop and qualify subsea flowline connection systems. subsea system lrfd factor contact pressure preload connection system external load strain...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30888-MS
... reliability of a flanged connection. By understanding these conditions, it will be possible to select the most suitable connection for a particular application. offshore technology conference installation flange flange separation internal pressure gasket seating compression load contact pressure...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30491-MS
... sealability. Preliminary results demonstrate that elastomer surface characteristic such as degree of finishing can have notable influence on the seal quality as measured by contact pressure required to achieve zero leakage rate. As expected, harder elastomer seal material exhibited more sensitivity to surface...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30700-MS
... Testing for Electrical Wire Properties Physical Tests Abrasion Abrasion tests were carried out to measure the abrasion resistance of the outer coating of the EWs. The parameters used in these physical tests were based on the contact pressure and range of slippage excursions obtained from the FE...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28639-MS
... pretension specification requirement flowline corrosion assembly contact pressure division 2 subsurface corrosion loading evaluation operator contact interaction riser corrosion materials and corrosion boundary condition h2s management offshore technology conference production chemistry...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28748-MS
... contact pressure polymer resistance Abstract Use of synthetic fiber ropes for mooring system components has many advantages. Reduced floater offset and simpler riser solutions, increased floater payload due to low weight and improved HSE performance due to easier handling and installation all...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27538-MS
... Figure 8 The von Mises stress contour plots of packers with and without filler ring for setting under 50 kip (a), 3,000 PSI differential pressure (b), and 5,000 PSI differential pressure (c). The contact pressure profiles across the packer-casing interface were plotted in Fig. 9 for steps 3-5 for systems...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27157-MS
... well control nominal strain unit cell deformation sub-scale test contact pressure temperature condition extrusion offshore technology conference elastomer test case residual strain upstream oil & gas vrbop sub-scale experimental test method Presentation of OTC-27157-MS...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25995-MS
... elastomeric elements are pushed against the casing ID forming zonal isolation, providing pressure integrity. The significant contact pressure between sealing elements and casing ID, due to squeeze of 2 OTC-25995-MS elastomers and friction between the elements and casing, leads to axial bidirectional load...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23110-MS
... used in Wellstream end fittings are considered to be pressure energised with the initial sealing action that is created during assembly of the end fitting. In order to maintain an effective seal, the contact pressure at the seal interface must be kept sufficiently higher than that of the liquid...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19443-MS
... flexible pipe upstream oil & gas riser length armour layer riser system contact pressure th international conference riser fatigue damage flexible riser deepwater riser water depth offshore technology conference curvature configuration armour wire bflex OTC 19443 Managing...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2002
Paper Number: OTC-14059-MS
.... The critical factors identified are shown on the Figures 6 and 7. C ontact length N o tch rad ius Surface tribo logy Figure 6: Factors that influence the stress field and contact pressure. The surface tribology in the areas of contact between the profiles has a large impact on the friction forces that arise...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1995
Paper Number: OTC-7939-MS
... limit state for round thread connections is defined by contact pressure, stab flank engaged length and coupling yield, while for buttress is defined by contact pressure, stab flank clearance and coupling yield. Leak pressure, as defined by API Bul. 5C3 [2], is a function of makeup and dimensional data...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1995
Paper Number: OTC-7908-MS
... element method and full-scale testing to help confirm and validate general theories of behavior. The general theory of behavior which was evaluated was that leakage is likely to occur when the contact pressure between the seat and the seal is less than the applied internal pressure that is being sealed...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1995
Paper Number: OTC-7940-MS
... ovality api connection diameter contact pressure api specification coupling pitch diameter upstream oil & gas connection performance ii ii 1 interference specification tolerance tolerance specification threaded connection leak resistance radial interference piping simulation piping...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 1992
Paper Number: OTC-6876-MS
... formula stress amplitude fatigue life contact pressure coefficient pipe fatigue limit reinforcement layer fatigue property reinforcement strips frictional force upstream oil & gas pressure reinforcement layer flexible pipe curvature change tensile reinforcement layer...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1989
Paper Number: OTC-6132-MS
... makes sensitive to dimensional Dependence the seal variations. Dependence sensitivity assembly. 1. 2. A mechanically energized elastomer seal is a relatively large volume, packer type elasomter seal which is compressed by external means to create a contact pressure between the seal and the pipe...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1988
Paper Number: OTC-5687-MS
... obtained by using the apparatus. The tests were carried out by changing various parameters which influence the wear rate of normal weight and lightweight concrete. They included type of aggregate, concrete strength, ice temperature, contact pressure, and relative velocity between ice and concrete. Among...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 27–30, 1987
Paper Number: OTC-5509-MS
... coupling otc 5509 equation leak resistance research co upstream oil & gas schwind api 8-round connector contact pressure flank contact pressure assumption enertech engineering internal pressure connector accuracy stab flank contact pressure axial stress 8-round connector...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 1986
Paper Number: OTC-5230-MS
... by the loads and the bending the dynamic stresses induced by bending variation the endurance limit of the tendons The wear aspect requires the knowledge of : 83 the contact pressure between layers the relative slip between layers the wear rate Simple formulae or more sophisticated mathematical models...

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