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Successful Catenary Coiled Tubing Operation in Nigeria
CATENARY CASE STUDY

Successful Catenary Coiled Tubing Operation in Nigeria

Enabled a variety of well intervention capabilities to restore production on the wells, such as mechanical isolation, perforations, milling and scale removal

Opportunity

Mature Fields

Opportunity
Specific Challenge

Use catenary coiled tubing to perform diagnostics and execution plan

REGION - NIGERIA REGION - NIGERIA

Nigeria

REGION - NIGERIA

Challenge

  • 8 wells, all shut-in, located on a platform with insufficient deck space and crane capacity to install equipment
  • Tight budget to try to bring those wells back online

Solution

  • Halliburton proposed the use of coiled tubing catenary system with a 1.75" pipe and a 125K spread along with Halliburton special completion tools and fluids
  • Close collaboration with customer to perform detailed diagnostic on each well, customized designs and integrated multi-PSL program execution plan

Result

  • Coiled tubing catenary system enabled a variety of well intervention capabilities to restore production on those wells such as mechanical isolation, perforations, cement isolation, milling and scale removal
  • Project cost was significantly lower than a similar scope with a rig
  • From 8 shut-in well, 6,450 bopd were added to the production in this mature field

6,450

BOPD added to production

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