DRILPLEX AR PLUS System Solves Lost Circulation Problems While Drilling Two Upper Intervals, Russia | SLB
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DRILPLEX AR PLUS System Solves Lost Circulation Problems While Drilling Two Upper Intervals, Russia

Published: 02/03/2017

Concrete blue texture
Chart showing information about a well drilled using the DRILPLEX AR PLUS system
In the pilot project well in which 10 previously drilled wells exhibited lost circulation, the well drilled using the DRILPLEX AR PLUS system showed no lost circulation problems while drilling the upper intervals. Using the system resulted in a 25% reduction in the average drilling time.
Location
Russia, Europe
Details

Russia
Eastern Siberia

Number of project pilot wells
1

Number of wells drilled previously
10

Interval drilled
Conductor and surface casing

Interval length
1,926 ft [587 m]

Background

An operator experienced chronic partial to total lost circulation while drilling the conductor and surface casing intervals for multiple eastern Siberian wells. M-I SWACO suggested changing the drilling fluid system from the spud mud used previously to the DRILPLEX AR PLUS anionic-tolerant water-base drilling fluid system to address the challenging drilling conditions.
Products Used
FLO-PLEX PLUS
Fluid loss control additive

Control filtration in the DRILPLEX AR PLUS system.
DRILPLEX AR PLUS
Anionic-tolerant water-based drilling fluid system

More flexibility and options to drill unconsolidated formations with potential anionic characteristics.
DRILPLEX
Mixed metal oxide water-based drilling fluid system

Screen easily, even at high flow rates, with unequaled solids suspension.
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