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Zhylyoy Oil Exploration Project

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Project ID:

172025134

Project Sector:

Oil & Gas

Project Name:

Zhylyoy Oil Exploration Project

Photo source:

kmg.kz

Project Description

The Zhylyoy Hydrocarbon Exploration Project is a strategic offshore initiative in the northeastern part of the Caspian Sea, executed as a joint venture between KazMunayGas and CNOOC Hong Kong Holding Limited. On June 24, 2025, the Ministry of Energy of Kazakhstan, KMG, and CNOOC signed a contract for exploration and extraction in this transit zone. The project area spans approximately 958 km² and targets complex geological structures. The exploration program includes the acquisition and interpretation of 3D seismic data over 400 km² and reprocessing of 400 km of historical 2D seismic profiles . The work plan also calls for drilling one supra-salt exploration well to around 2,000 m, followed by a contingent sub-salt well of about 4,500 m based on the seismic results . KMG and CNOOC will each hold a 50% stake, with CNOOC fully financing the exploration stage. This marks the inaugural upstream investment by CNOOC in Kazakhstan and aims to unlock significant hydrocarbon potential in the Caspian region.

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Project Phase:

Initiation & Feasibility

Start Date:

6/1/2025

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Investment Value:

55 000 000 $

End Date:

1/1/2034

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Location:

Caspian Sea

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Other important details

The minimum work program of planned exploration works includes:

- 3D seismic survey (field work, processing and interpretation of 400 square kilometers)

- reprocessing of historical 2D data (400 p. km)

- drilling of one suprasalt exploration well (independent stage) with a depth of 2000 m

- depending on the results of the obtained 3D seismic data, drilling of one subsalt exploration well (dependent stage) with a depth of 4,500 meters.

Publication/Revision Date:

7/7/2025

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