OptiPac Openhole Alternate Path Gravel-Pack Service

Complete annular packs in challenging conditions

OptiPac openhole Alternate Path gravel-pack service uses shunt-tube technology to ensure maximum gravel-pack efficiency, regardless of conditions such as low fracture gradients, reactive shales, thief zones, washouts, and filtercake plugging that would otherwise result in bridging and incomplete packs. Insufficient packing can lead to, erosion hot spots, increased sand production, hardware damage, and completion failure.

The service is highly effective for packing long intervals in vertical, deviated, or horizontal wells; high-flow-rate wells; low-fracture-gradient formations; wells with high-permeability thief zones where annular bridging is a risk; and wells requiring zonal isolation packers. Specially developed fluids, state-of-the-art modeling software, and pumping services are used as part of the integrated service to ensure full, uniform gravel packing across the entire interval.

Total E&P Angola Saves More Than USD 100 Million and Gains 1,000,000 BOE of Incremental Production

Effective zonal isolation with OSMP packers for openhole gravel packs reduced well count and costs and increased ultimate recovery in deepwater wells. Read case study


Fluids for optimal gravel transport and controlled leakoff

The OptiPac service can be used with a viscosified polymer-based fluid or one of several polymer-free viscoelastic surfactant gravel-pack fluids, allowing the treatment to be tailored to a wide range of well types and reservoir conditions.

Specially designed packers for multizone packing

OSMP OptiPac service mechanical packers are equipped with Alternate Path shunt tubes for multizone openhole gravel packing. The fast-setting packer eliminates the delays associated with waiting on swell packers to set and the risk of pumping gravel before swelling is complete, which can cause the gravel to enter the packer element–wellbore annulus and prevent an effective seal.

Pumping and mixing services for successful operations

Other components of the OptiPac service are the pumping and mixing services that allow synchronization and remote control of key equipment and precise control of sand concentrations at design values.

Filtercake removal for faster, more efficient cleanup

MUDSOLV NG integrated filtercake removal service is used to tailor the most effective cleanup strategy. The goal is to minimize screen plugging, impaired well performance, hardware-damaging hot spots, and corrosion.

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Record Gravel-Pack Interval Saves a North Sea Operator USD 60 Million

The North Sea job established a new record for the world’s longest openhole gravel pack—4,347 ft from TD to casing shoe—using Alternate Path technology.
Integrated approach enables successful packing of 4,347 ft of open hole in a challenging environment with low fracture pressure, eliminating the need for a second well. Read case study

Efficient and Effective Multizone Gravel Packs in Open Holes

OSMP OptiPac service mechanical packer
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Alternate Flow Path Reduces Risks

Alternate path technology
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