Maersk Oil Angola chooses Blue® Dopeless® connections for deepwater well

December 23, 2013


Maersk Oil selected TenarisHydril Blue® connections, Dopeless® technology and local field service specialists to take on the challenges of the Chissonga 4 deepwater well. The Chissonga field in the Lower Congo Basin is located 90 miles offshore Angola, with water depths up to 4,900 ft.

The running of the 9 5/8" string went smoothly, with zero rejects and zero incidents. A local field service specialist assisted the whole operation, from connection inspection to make-up graphs monitoring.

One month after the job was finished, Maersk attempted a sidetrack of the well. 126 joints were pulled out of the hole, out of which 2 were rejected. Not only did the pulling of these 126 Blue® Dopeless® connections go flawlessly, but also 119 of these joints were used for the sidetrack a few days later.

The rig crew was very pleased with the overall performance of the connection and could see for themselves the robustness of Dopeless® technology.

Read the complete case study

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