Dynamic Performance of Annular Blowout Preventer Hydraulic Seals in Deepwater Environments

Mutlu, Mete; Tang, Yingjie; Franchek, Matthew A.; Turlak, Rob; Gutiérrez, J.A.

doi:10.1115/1.4040391

Cited by 5 publications

(2 citation statements)

References 17 publications

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“…Chen et al (Chen et al, 2019a) considered the rubber core as a hyperelastic body, but did not use the hyperelastic constitutive model in the process of analyzing the rubber core sealing tubing with the help of finite element software, obtained the relationship between rubber contact pressure and deformation, also calculated the residual life of the rubber through the dynamic fatigue curve. Mutlu et al (Mutlu et al, 2018) analyzed the hydraulic sealing performance of annular BOP which used in deep water environments.…”

mentioning

confidence: 99%

Retraction: Study on sensitivity of annular BOP parameters to sealing performance in gas well snubbing service

Yang¹,

Dong

Xiang-jun³

et al. 2021

Mechanical Engineering Journal

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Annular Blowout Preventer (BOP) is the core device for snubbing service in gas wells. The wellhead can be sealed by operating the BOP. Rubber core of annular BOP is the main part of the sealing process, and its failure will cause blowout accidents and endanger the operators. Rubber core failure is mainly caused by the serious wear and fracturing damage, compared with oil well, during the snubbing service of the gas well, there is dry friction between rubber core and tubing, which is more prone to rubber core wear. Based on the Yeoh constitutive model, this paper fits the material parameters through the data measured by the rubber tensile experiment, and establishes the sealing performance evaluation model of the annular BOP based on the theory of rubber hyperelastic, large deformation theory and dynamic sealing theory. Meanwhile, compare it with the rubber core failure cases which used in field to verify the accuracy of the model. Based on these, this paper studies the influence of piston stroke, tubing size, friction coefficient between rubber core and tubing, rubber core attrition rate on sealing performance, and fitting the relationship between tubing size and piston stroke. The results show that: properly increasing the piston stroke by 2 to 3 mm will help to improve the sealing performance; when the tubing size is smaller, the rubber core is deformed too much while the seal process completed, which is easy to cause the rubber core to fracturing; friction coefficient between rubber core and tubing has no significant effect on static sealing performance; the friction coefficient less than 0.2 has little effect on the dynamic sealing performance; when the friction coefficient exceeds 0.4, the dynamic sealing performance is reduced significantly; when the wear of rubber core is within 10 mm, the sealing performance gradually decreases, but the sealing requirements can still be met. When it is more than 10 mm, it cannot meet the sealing requirements of 35 MPa. The research work in this paper has certain guiding significance for the design, selection and use of the rubber core of annular BOP.

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confidence: 99%

Retraction: Study on sensitivity of annular BOP parameters to sealing performance in gas well snubbing service

Yang¹,

Dong

Xiang-jun³

et al. 2021

Mechanical Engineering Journal

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“…(2) Protection of pressure equipment: Some equipment under pressure used offshore in the EU/EEA which is not specifically modified by adding, for example, moving compensators [53] (to annul the effect of waves at sea) are under the scope of the pressure equipment directive 2014/68/EU. The pressure equipment directive 2014/68/EU also excludes from its scope almost all equipment under pressure for drilling, exploitation or transport used in petroleum industries, including well-control equipment [54][55][56][57], both offshore on fixed or mobile units, or onshore. Besides, pumps are in the scope of the pressure equipment directive 2014/68/EU only if technical analyses show that the hazard, due to pressure, is the dominant and main factor of risk.…”

Section: Explicit Exclusions From Eu/eea Product Safety Directivesmentioning

confidence: 99%

Proper Use of Technical Standards in Offshore Petroleum Industry

Brkić

Praks

2020

JMSE

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Ships for drilling need to operate in the territorial waters of many different countries which can have different technical standards and procedures. For example, the European Union and European Economic Area EU/EEA product safety directives exclude from their scope drilling ships and related equipment onboard. On the other hand, the EU/EEA offshore safety directive requires the application of all the best technical standards that are used worldwide in the oil and gas industry. Consequently, it is not easy to select the most appropriate technical standards that increase the overall level of safety and environmental protection whilst avoiding the costs of additional certifications. We will show how some technical standards and procedures, which are recognized worldwide by the petroleum industry, can be accepted by various standardization bodies, and how they can fulfil the essential health and safety requirements of certain directives. Emphasis will be placed on the prevention of fire and explosion, on the safe use of equipment under pressure, and on the protection of personnel who work with machinery. Additionally considered is how the proper use of adequate procedures available at the time would have prevented three large scale offshore petroleum accidents: the Macondo Deepwater Horizon in the Gulf of Mexico in 2010; the Montara in the Timor Sea in 2009; the Piper Alpha in the North Sea in 1988.

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Analysis of sealing performance of the rotary blowout preventer rubber ring in ultra deep wells

Wan,

Lian,

Xie

et al. 2024

J Rubber Res

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Dynamic Performance of Annular Blowout Preventer Hydraulic Seals in Deepwater Environments

Cited by 5 publications

References 17 publications

Retraction: Study on sensitivity of annular BOP parameters to sealing performance in gas well snubbing service

Retraction: Study on sensitivity of annular BOP parameters to sealing performance in gas well snubbing service

Proper Use of Technical Standards in Offshore Petroleum Industry

Analysis of sealing performance of the rotary blowout preventer rubber ring in ultra deep wells

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