API SPEC 16R PDF

Status: Alert Withdrawn. Norwegian title: Marine Drilling Riser Couplings. English title: Marine Drilling Riser Couplings. Item type: Standard (Kun elektronisk). Tensile test, performed in accordance with the API Spec. 16R standard, is used to verify whether the design of key load bearing parts of the marine riser, such as. As recommended by API Spec 16R, the stress linearization and classification in one of the key steps to design a riser connector. The designers are encountering .

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Both 116r and gamma ray radiation sources are acceptable within the inherent thickness range limitation of each. For the example in Figure C-1 the membrane stress is the axial stress induced by the axial force.

The SAF is a function of the double amplitude range of alternating stress. Customize your page view by dragging and repositioning a;i boxes below. The load cases for which a coupling must be analyzed depend on whether or not the coupling is preloaded and if the preload stresses are considered as primary or secondary.

API Product Specification

Sample maintenance forms or check lists as necessary. All pressure containing welds shall have complete joint penetration. A short presentation of a breech-block type riser connector, on which the methodology has been applied, is given at the beginning of this paper.

Four or more relevant indications in a line separated by less than 1? These standards are not intended to obviate the need for applying sound engineering judgment regarding when and where these standards should be utilized. Any manufacturer marking equipment or materials in conformance with the marking requirements of an API standard is solely responsible for complying with all the applicable requirements of that standard.

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SAF is a function of pipe size, and wall thickness. Optional performance tests listed in Appendix B may also be included. Suggestions for the analysis can be found in Appendix A. This is graphically shown in Figure C A cyclic load or fatigue test may be performed to verify fatigue calculations and to check that no areas of stress concentration were overlooked in the design analysis.

By continuing to use our website, you are agreeing to our privacy policy. Section 3 contains a description of the function of marine riser couplings, along with the de? Section 4 includes service classi? For simplicity, the design loading condition is taken to be axisymmetric tension.

API Spec 16R (R)

For more information about such agreements, or product availability as hardcopy, please contact us by phone 16f 83 87 00 or email salg standard. Note that all stresses are not included when calculating every von Mises effective stress. Examinations shall include at least on all sides of the weld.

Riser pipe and the associated couplings are generally sized to be compatible with a speci?

Sign in or create your free personal ASME account. The coupling box or pin depending on design type provides a support to transmit the weight of the suspended riser string to the riser handling spider while running or retrieving the riser.

On the other hand, averaging over too large an area results in the general membrane sepc, not the local membrane stress. At least one hardness test shall be performed in both the weld and in the adjacent unaffected base metal after all heat treatment and machining operations.

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Calculate the SAFs for the pin and for the box of the coupling.

Compressive bearing load developed between box and pin members at their interface; this is accomplished by elastic deformation induced during makeup of the coupling. No more than ten relevant indications in any continuous 6square inch spc.

This product can only be purchased electronically by customers who have a web subscription agreement. If you need to be able to add standards to the monitoring service, you must register as a 16 with your own username and password. A primary stress is one that is induced by the external loads or preload and is necessary to satisfy the laws of static equilibrium.

API Spec 16R (R2010)

The coupling design load can be speci? An example of a bearing stress is the contact stress between the dogs and the loading shoulder of a dog coupling.

In using this simpli? Check Out Now Continue Browsing. Sometimes a one-time extension of up to two years will be added to this review cycle.

API Product Specification

The coupling design load shall be applied to verify any assumption made in the analysis regarding separation. Log sheets for recording cumulative use of soec riser coupling. If separation can occur, then provision for it must be included in the analysis if possible. Generally, API standards are reviewed and revised, reaf?