Calvalley Petroleum Spuds Hiswah-4 Appraisal Well



Calvalley Petroleum has spudded the Hiswah-4 appraisal well on Saturday February 19th. Hiswah-4 is the second of several planned appraisal wells in the Hiswah pool. The well will be comprised of a vertical wellbore to gather reservoir data and if sufficient oil column is encountered, a horizontal sidetrack will be drilled and tested.

The well location is approximately 3 kilometers southeast of the Hiswah-3 well and as a result, the well will test the south-eastern boundary of the field in order to determine the extent of the mapped reservoir.

Calvalley Petroleum is operator of Block 9 in Yemen.

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