2017年12月28日 · Shaffer Annular BOP Features And Manuals. Shaffer Spherical™ blowout preventers are compact, annular type BOPs that seal reliably on almost any shape or size — …

In this paper, the mechanical model of the annular BOP shell is established, and the three-dimensional modeling of the annular BOP shell is carried out by Creo. The finite element …

2021年9月27日 · The annular preventer (also called bag type, spherical, or universal preventer) is the most versatile piece of equipment on the BOP stack since it can close around the casing, …

In the present paper lifting frame is designed for Hydrill GK 13 5/8" - 5000 Annular BOP. The Annular BOP sits on top of three ram BOPs. While lifting, lifting frame will hold the BOP stack …

The 11” - 5K Model 7022 Blowout Preventer is an annular type BOP which seals off reliably on almost any shape or size – drill pipe, drill collars, casing, tool joints in the well bore or …

The eccentric wear model of annular BOP with different wear depth is established, and the stress distribution nephogram and the maximum equivalent stress of the damaged part can be …

Annular BOPs can contain wellbore pressure and seal the well when required by closing on the pipe in the borehole. They are equally effective if there is no pipe in the wellbore. Cameron …

2019年12月1日 · The 2D axisymmetric models of the TCM, FEA and the STE were established to determine the critical stress regions of the annular BOP. The stress distribution laws under the …

This document describes a detailed inspection procedure used to detect faulty BOP stacks and control systems. It includes a comprehensive visual inspection and a hydraulic operator test …

2023年9月1日 · The rubber core of annular blowout preventer (BOP) is sealed with rubber material. BOP is the core component of the pressure control of annular in the snubbing …