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Opportunity

Unconventionals

Opportunity
Specific Challenge

Improve solids control and drilling waste management process

REGION - USA REGION - USA

Bakken Formation, USA

REGION - USA

Challenge

  • Improve a costly, complicated drilling waste management process by: 
    • Eliminating vacuum trucks and augers 
    • Maximizing OBM recovery

Solution

  • BaraG-Force™ VacVCD system, a vacuum-enhanced vertical cuttings dryer (VCD) for onsite cuttings and OBM handling, enabling the operator to: 
    • Feed VCD directly from shakers 
    • Clean pits prior to displacements

Result

  • Baroid received a 100 percent work award for the BaraG-Force VacVCD system, based on the following results: 
    • Saved USD 7,500 in vacuum truck costs 
    • Gained USD 5,000 in OBM recovered from pits 
    • Gained USD 25,000 in OBM due to low mud retention on cuttings

Overview and Challenge: Eliminating Vacuum Trucks and Augers from Waste Disposal Process 

The drilling waste disposal process in the Bakken formation depended on calling out vacuum trucks to empty the pits, then drying any remaining sludge and hauling waste offsite for disposal. Tracking wet cuttings around the location was complicated and included transporting them from the catch tanks to the vertical cuttings dryer (VCD) and trucks. Augers were used for cuttings conveyance, creating a safety risk for rig crew members. 

The operator needed a way to streamline operations, maintain cleanliness on location, eliminate augers, reduce loader activity, clean out the pits, and recover as much oil-based mud (OBM) as possible from the drilled cuttings.

Solution: Using Vacuum Transport for Waste and Cuttings Streamlines Operation 

Baroid separation solutions personnel deployed the BaraG-Force™ VacVCD system, a vacuum-based method for feeding the VCD unit where cuttings were vacuumed directly to the VCD. This helped accomplish several objectives: 

  • End dependence on vacuum trucks for pit cleaning during displacements 
  • Eliminate the use of augers and a loader/excavator to move wet cuttings 
  • Maximize OBM recovery 

Implementing this efficient way of feeding the VCD allowed the operator to experience additional cost benefits when using the BaraG-Force VacVCD system, because of its ability to lower retention on cuttings and return more OBM to the active system.

7,500

USD Saved per Well

5,000

USD Gained per Well

25,000

Total USD Gained per Well

Results: Cost Benefits Secure BaraG-Force Installation on Eight Additional Rigs 

The savings and returns gained from using the BaraG-Force VacVCD system impacted several parts of the operator’s waste management process, resulting in: 

  • Average USD 7,500 saved per well in eliminated rig vac and vac truck costs 
  • Average USD 5,000 gained per well in pit bottom OBM recovery 
  • Total USD 25,000 gained per well in OBM recovered from cuttings while drilling 

Based on these results, the operator requested the BaraG-Force VacVCD system for eight more of its rigs in the Bakken shale play.