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DRILPLEX HDD Viscosifier Stabilizes Collapsing Formation

Published: 06/14/2019

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Following approximately 800 galUS [3,032 L] of the viscosifier being pumped, drilling resumed and torque decreased from 3,000 psi to 1,500 psi [20.7 MPa to 10.3 MPa] and the well was drilled to planned TD successfully. The DRILPLEX HDD viscosifier achieved hole cleaning and target viscosity, holding the gravel in place.
Location
United States, North America, Onshore
Details
DRILPLEX HDD Viscosifier Rheology
600 rpm
 110 cP
300 rpm
 81 cP
Plastic viscosity
 29 cP
Yield point
 52 lbf/ft2
10 s
 50 lbf/ft2
10 min
 52 lbf/ft2
Background

When Schlumberger learned an operator was concerned about hole cleaning and packing off in a key drill hole being cored from surface, DRILPLEX HDD viscosifier was recommended by M-I SWACO, a Schlumberger company, for its properties of highly shear-thinning ability and ceasing to flow as it enters fractures of spaces between the rock.
Products Used
DRILPLEX HDD
Viscosifier

Formulate fluids with exceptional shear-thinning properties.
DRILPLEX
Mixed metal oxide water-based drilling fluid system

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