Statistic Analysis
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CNH authorizes the drilling of exploratory well Chibu-1EXP in ultra deepwaters in the Gulf of Mexico
02 December 2019

During the 13th Ordinary Session of the Board of Commissioners on November 13, 2019, the National Hydrocarbons Commission authorized the drilling of exploratory well Chibu-1EXP in ultra deepwaters, by operator Shell Exploración y Extracción de México.1

  • This is the first exploratory well to be drilled in ultra deepwaters in the Saline Basin located in the Gulf of Mexico. Total programmed depth is estimated at 6,731 meters2.
  • The well is drilled as part of a deepwater contract in the Gulf of Mexico3 signed in May 2018 with contractor Shell Exploración y Extracción de México S.A. de C.V.
  • In total, prospective resources are estimated at 219 million barrels of crude oil equivalent, across two geological objectives located in the Oligocene and the Upper Oxfordian Jurassic.
  • The drilling timeline is estimated at 85 days, with activities starting on December 5, 2019, and finishing on February 28, 2020.
  • Investment is estimated at US$93.3 million (MXN$1.810 billion pesos4), in terms of well drilling and finishing.
  • For more information regarding wells, sorted by operator and location, visit the portals: and

1 CNH (2019). 13th Ordinary Session of the Board of Commissioners, available at:

2 Meters developed under rotary table.

3 Contract CNH-R02-L04-AP-CS-G01/2018.

4 An exchange rate of MXN$19.41 pesos to the dollar is used, published by the Bank of Mexico on November 20, 2019.

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