Eliminating Extra Trips in Five-Well Campaign Single-Fit RSS Solution Streamlines Batch Drilling, Delivers USD 1 Million in Savings

Batch drill the 6 1/8-in section in one bit run across five development producer wells while meeting reservoir targets and directional requirements in the G1 field, Gulf of Thailand.
Achieve the planned IADC ROP target of 82 ft/h [25 m/h].
Acquire real-time and recorded LWD data while drilling the section.

Replaced the planned conventional motor-plus-AGS bottomhole assembly (BHA) approach with a single-fit Magnus^® Saker RSS 475 BHA to avoid additional trips, rig time, cost, and operational risk.
Maintained continuous directional control, precise wellbore placement, and LWD acquisition using the Magnus Saker RSS along with the HEL hostile-environment-logging measurement-while-drilling system, BAP bore and annular pressure sensor, HAGR high-temperature azimuthal gamma ray tool, TVM total vibration monitor, and the IDS integrated directional sonde.

Saved 126.8 operational hours—approximately 5.2 rig days—by eliminating additional BHA trips, saving shoe-drillout time, and improving overall ROP versus plan.
Delivered an estimated USD 1 million in operational cost savings while reducing complexity, nonproductive time (NPT) exposure, and execution risk across the batch drilling campaign.
Surpassed the planned IADC ROP target and KPI expectations, achieving a maximum of 108 ft/h (33 m/hr).
Unlocked drilling efficiencies in future and similar drilling applications.

Details

Location

Gulf of Thailand

Well Type

Development, producer

Rig Type

Jackup

Formation

Sandy claystone dominant, shale mixed

Bottomhole Temperature

300 degF (149 degC)

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Eliminating Extra Trips in Five-Well Campaign