Page 40: of Offshore Engineer Magazine (Jan/Feb 2026)

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DRILLING MANAGING DOWNHOLE VIBRATION © Neo Oiltools wear slows,” said Feasey.

CASE STUDY: BAY OF THAILAND

The outcome extended beyond faster drilling. Direc-

A recent multi-well drilling program in the Bay of Thai- land, which involved the use of Neo Oiltool’s Neorork, tional control improved, tool life was extended, and opera- demonstrated what proactive vibration management can tional risk was reduced.

deliver. The region’s stacked, faulted sands and frequent

MECHANICAL STABILITY AS A STRATE- changes in formation strength and temperature have his-

GIC ADVANTAGE torically led to erratic ROP and premature BHA wear.

As offshore operators navigate increasingly extreme envi-

The operator deployed Neotork’s cable-based vibra- tion control system across four wells and benchmarked ronments and geological complexities, Feasey believes me- performance against offset wells drilled without it. Each chanical stability will increasingly defne what is achievable.

“The results achieved in the Bay of Thailand demon- well was drilled with a single BHA and required no mid- run tool-related trips. Vibration amplitudes dropped from strate that vibration is not an unavoidable hazard but a manageable engineering challenge,” Feasey emphasized.

more than fve g to less than two g. With instability sup-

For operators, drilling managers and contractors alike, pressed, drilling energy translated more effciently into early adoption of vibration control strategies may deliver penetration, increasing average ROP by about 39%.

“Mitigating vibration at the source enables BHAs signifcant gains in wellbore performance, equipment lon- to operate consistently closer to their design limits. gevity and operational predictability.

In a market where every additional rig day carries sub-

Greater WOB and RPM become feasible without push- ing mechanical or thermal boundaries. Torque response stantial cost, drilling in mechanically stable conditions may prove one of the most reliable ways to protect both smooths out, directional control improves, cutter en- gagement becomes more uniform, and tool electronics performance and well economics.

40 OFFSHORE ENGINEER OEDIGITAL.COM