Home Resource Library Rhino XS2 Reamer Enables Talisman to Circulate for More Than 25 h After Deactivation and Drills to TD

Rhino XS2 Reamer Enables Talisman to Circulate for More Than 25 h After Deactivation and Drills to TD

Published: 01/19/2015

Concrete blue texture
The reamer’s ability to activate (left) and deactivate (right) via ball drop allowed Talisman to circulate for longer time without block deployment.
The reamer’s ability to activate (left) and deactivate (right) via ball drop allowed Talisman to circulate for longer time without block deployment.
Location
Malaysia, Asia, Offshore
Details

Operator
Talisman

Lithology
Sandstone, shale

Pilot hole size
8 1/2 in

Enlarged hole size
9 1/4 in

Reamed interval
877 m

Drilled interval
261 m

Total circulating time
107.3 h

Flow rate
300-500 galUS/min

Circulation hours after deactivation
25 h

Mud type
MEGADRIL oil-base mud

Mud weight

10.2 lbm/galUS

Solids content
14%

Depth in/out
1,810 m/2,687 m

Inclination in/out
38°/22.58°

ROP for HEWD section
11.6 m/h

 

Background
Talisman experienced internal erosion issues while circulating through tools post-deactivation, leading to tool failure and a need for a borehole enlargement tool with flexibility to circulate for longer hours after deactivation.
Products Used
Rhino Full-Cycle Hydraulic Underreamer
Rhino integrated borehole enlargement system

Effective borehole enlargement and hole cleaning at TD with full circulation rates.
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