Cemented Initiation Sub

Hydraulically Activated Toe Port for Cemented Wellbores

OVERVIEW

Tartan’s patented Cemented Initiation Sub (CIS) is a simple, reliable hydraulically activated toe port that provides the ability to initiate stimulation operations in cemented horizontal wellbores. The CIS eliminates the coiled tubing conveyed perforating (TCP) run for first stage initiation in plug-and-perf operations. No communication with the wellbore exists until the BurstPoint™ ports are opened, which is immediately followed by the fracturing process. This enables a quick start to fracturing the well, resulting in increased efficiency and reduced costs.

APPLICATIONS

  • Simple, reliable and rugged design for cemented liner installations
  • Eliminates coiled tubing and perforating costs for first stage initiation in plug-and-perf operations
  • Can also be used as a flow path to initiate Tartan’s cemented MultiFrac™ or EnerFrac™ ball-drop systems
  • Can pump full stimulation treatment through BurstPoint ports for first stage stimulation

FEATURES AND BENEFITS

  • Provides increased operational efficiency resulting in reduced costs
  • BurstPoint ports within the CIS can be sized to control the stimulation fluid rate
  • Full drift ID – no drill out required
  • No special cementing procedures required
  • Surface pressure indication is an accurate monitor of BurstPoint port opening

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Case Studies

MULTIFRAC™ D-J BASIN

Tartan MultiFrac systems successfully stimulated 18 months post-install.

ENERFRAC™ MONTNEY

Tartan successfully completes cemented EnerFrac™ ball-drop systems in the Montney.

MULTIFRAC™ UTICA

Tartan cemented MultiFrac limited entry ball-drop systems increase production by 12.5%.

What Our Customers are Saying

“EOG has dealt with Tartan Completions since 2010, during which time they provided us completions equipment and services in our Rockies Region in the USA. Tartan has helped EOG lower costs through increased efficiency and equipment reliability and have always provided knowledgeable operational support for our daily completions operations. We can confidently recommend Tartan Completions as a solid and reliable supplier, and experts in completions equipment and services.”
EOG Resources
“Tartan Completions has been providing Crescent Point Energy with downhole milling services since 2009 when they started milling out frac ports in Saskatchewan. They have completed hundreds of jobs for us and still are our trusted service provider to do milling and fishing work in both Alberta and Saskatchewan. For any company looking for downhole milling services, we highly recommend Tartan Completion’s continued repeatable and reliable services and support.”
Crescent Point Energy Group

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