Vietsovpetro Exits Three Casings, Saves Slot Using TrackMaster Select System | SLB
Tech Report
Location
Vietnam, Asia
Details

Offshort Vietnam
White Tiger Field

Location
Ofshore Vietnam

Basin
Cuu Long

Field
White Tiger

Lithology
Interbedded formation including claystone and sandstone

Rig type
Jackup

MD at top of whipstock
5,910 ft [1,801 m]

Whipstock orientation
45° from high side

Background
When drilling the White Tiger field offshore Vietnam, Vietsovpetro achieved a full-gauge window and exited through three casing strings—75/8 in, 95/8 in, and 133/8 in—in three runs at 5,910-ft [1,801-m] MD to continue drilling and running liner.
Products Used

Vietsovpetro Exits Three Casings, Saves Slot Using TrackMaster Select System

Operator achieves quality full-gauge window for successful sidetrack at 5,910-ft MD in Cuu Long basin offshore Vietnam.


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The TrackMaster Select system’s premium mills enable quality window exits in high-grade steel and chrome casings and in formations with unconfined compressive strengths of more than 40,000 psi [276 MPa].
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The complexity of the well — especially the cement quality behind each casing string — was a challenge. Schlumberger studied our well carefully and proposed a good solution to the minimize risk. The job was performed excellently without any incidents, NPT, or unplanned trips.

--Nguyen Thanh Truong, Vietsovpetro

Products Used

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