Tullow: Shimela-1 well onshore Ethiopia encountered water-bearing reservoirs

Posted on 23 May 2014

The Shimela-1 well in the South Omo Block onshore Ethiopia was drilled to test a prospect in a northwestern sub-basin of the vast Chew Bahir basin. The frontier wildcat well encountered lacustrine and volcanic rocks, including almost 100 m of net sandstone reservoir within siltstones and claystones, Tullow Oil announced. Trace thermogenic gas shows were recorded at 1,900 m.

The Exalo 205 rig drilled Shimela-1 to a final depth of 1,940 m. The rig will now be moved to drill the Gardim-1 wildcat exploration well in a completely separate sub-basin, in the southeastern corner of the Chew Bahir basin.

“Although the Shimela well only found traces of thermogenic gas, it has provided key data to continue to build our understanding of the northwestern part of the Chew Bahir basin. The prospectivity at the Gardim-1 well, which is targeting an independent petroleum system in a separate southeastern sub-basin, is not affected by this result,” Angus McCoss, Exploration Director for Tullow Oil, said.

Tullow operates the South Omo Block with 50% equity and is partnered with Africa Oil Corp (30%) and Marathon Oil Ethiopia Ltd (20%).

Leave a Reply

*

FEATURED MICROSITES


Recent Drilling News

  • 26 August 2014

    Aquaterra introduces new riser monitoring system

    Aquaterra Energy has launched a riser monitoring system (RMS) that uses a combination of direct riser strain measurement, subsea data logging and riser analysis processing...

  • 26 August 2014

    Asset Integrity: Communication, collaboration make the difference

    Predictive maintenance programs and process safety on drilling rigs are important elements of asset integrity. However, those protocols require collaboration, communication...

  • 22 August 2014

    Ryan Directional Services inks deal to deploy Alcoa pipe in North American shales

    Ryan Directional Services, a division of Nabors, has selected Alcoa’s FarReach alloy drill pipe for its onshore horizontal-drilling applications…

  • 18 August 2014

    Repsol runs BlueDock connectors in Trinidad and Tobago

    Repsol has recently run BlueDock connectors with elastomeric seals in Trinidad and Tobago. The operation took place in the Arima 2 well on a jackup platform...

  • 15 August 2014

    Joe Hurt to retire from IADC

    After more than 14 years with IADC and a career spanning 42 years, Joe Hurt, Vice President of IADC’s Onshore Division, will retire at the end of August. Mr Hurt began his career in 1974 with Noble Corp, working on land drilling rigs...

  • Read more news