The Yasser 19 was drilled to assess the potential for bypassed attic oil in the Bahariya and Kharita zones and to explore for new reserves in the deeper Alam el Bueib (AEB) section. The well discovered 78 feet of pay (66 feet true vertical thickness) in the AEB as well as 73 feet of bypassed attic oil in the Bahariya formation and an additional 14 feet in the Kharita.
The well was tested on a 52/64-inch choke with 2,085 pounds per square inch (psi) of flowing tubing pressure. It was perforated between 9,115 feet and 9,128 feet in the AEB 3E formation, a new field pay zone. Apache is the concession operator with a 90 percent contractor interest.
"We have a very high level of activity on the Khalda Concession; the more we drill, the more we learn, and the more we learn, the more production and reserves we find," said Rodney J. Eichler, Apache's regional vice president and general manager in Egypt. "Our successes here are magnified as a result of the recent Repsol acquisition, which more than doubled our interest in Khalda, the most valuable property in Apache's worldwide portfolio." Khalda's gross production averages approximately 200 MMcf of gas and 40,000 barrels of liquid hydrocarbons per day.
Also at Khalda, the Kenz 28 well was drilled to assess bypassed attic oil potential in the AEB and to explore for new reserves in the Jurassic-age Khatatba. The well discovered 77 feet of AEB pay and two new pay zones for that portion of the field. An additional 46 feet of pay are indicated in the Khatatba formation. This is the first Khatatba pay discovered south of Salam field. The well was perforated in the AEB Unit 4, 5A and 5B between 10,796 feet and 10,956 feet. The Kenz 28 tested at a combined daily rate of 23.1 MMcf of gas and 3,077 barrels of condensate.
Apache also reported completing the Tut 50, a development well on the Khalda Concession, which tested at 8.5 MMcf of gas and 4,800 barrels of liquid hydrocarbons per day on a one-inch choke with 972 psi of wellhead pressure. Perforations were between 11,645 feet and 12,002 feet in the Khatatba formation. It is awaiting a production tie-in.
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