Schlumberger

Openhole Gravel-Pack Carrier Fluids

Overview Library

Enhance treatments and cleanup

Products include slurries, brines, breakers, and polymer-free gravel-pack fluids.

Fluids for gravel packing with or without Alternate Path screens

ClearPAC polymer-free viscoelastic surfactant (VES) gravel-pack fluids provide superior gravel suspension performance and shear recovery at lower surfactant concentrations compared with other VES fluids. They also exhibit low friction pressure, minimize formation damage, and are compatible with oil-based and water-based muds. Formulations include fluids suitable for standard and high temperatures and fluids suitable for both gravel packing and filtercake cleanup.

Xanthan openhole gravel-pack fluid provides rapid viscosity development in brines. The viscosified fluid system consists of just three components: a biopolymer slurry, a brine, and a breaker.

Gravel-pack fluids for the AquaPac system

AquaPac water-packing system for openhole wells uses brine to carry and place gravel around preinstalled screens. A specially formulated shale stabilizer added to the brine mitigates shale swelling and dispersion, while a friction reducer pumped with the brine minimizes the potential of premature screenout.

PrimoPAC invert-emulsion gravel-pack carrier fluid minimizes risks when transitioning from a synthetic- or oil-based drill-in fluid to a brine-based carrier fluid and spacer for openhole gravel-pack completions in reactive shales. This unique fluid enables the wellbore to remain oil-wet throughout the completion phase, avoiding issues such as shale instability, dispersion, and crossfluid compatibility.

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Temperature and Brine Density Ranges for ClearPAC Fluids

ClearPAC polymer-free viscoelastic surfactant (VES) gravel-pack fluids
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MudSOLV Filtercake Removal Service Extends Economic
Life of Producing Wells

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