The Subsea Company recently launched 16 standard drifts, designed in accordance with API 16A, Third Edition. Many companies are using these drifts to satisfy API 53 requirements as a worst-case safe guard in order to meet compliance and improve overall performance.
The Subsea Company engineered the new BOP Drift configurations to allow for quick and safe drifting of BOPs. Designed, tested and certified to withstand years of service in an offshore environment, these innovative configurations improve the overall safety for Drifting Blow Out Preventers.
The Subsea Company’s BOP Drifts help reduce potential downtime issues, thus saving oil & gas companies, OEMs and drilling contractors time & money. The Subsea Company’s Drift designs are manufactured with several different connection options and are engineered with “True Precision” balance to ensure optimal and reliable performance. Each drift is built around a perfectly concentric mandrel and has the ability to transfer mass load to the solid straight bar center shafts and lifting eyes. The pad-eye versions are pull tested at 4,500 lbs. while the drill pipe versions are tested at 15,000 lbs. Drift total weights vary from 320 lbs. to 1,285 lbs. depending on connection option and mandrel length. The precisely machined components are assembled and welded to create a rugged one-piece drift, built to stand up to the harsh conditions in an offshore environment.
Typical reasons a BOP will not drift include: BOP is repaired or built out of spec, the rams do not fully open after closing and the annular does not open after testing. Failure can result in millions of dollars in losses.
“We wouldn’t be doing our job, if we simply put a Band-Aid? on a client’s current malfunction,” said Andy Cates, President of The Subsea Company. “We find the root cause of the trouble and create an improved standard in the industry. We certainly don’t want our clients to relive the same error again.“
Source and Image Credit: The Subsea Company
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