Calvalley’s technical expertise, strong commitment to protecting the environment and local knowledge are vital to bring about successful results under today’s challenging conditions.

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Discover Block 9,our high-potential field in the Republic of Yemen

Discover Block 9,

our high-potential field in the

Republic of Yemen

A company-wide attitude of consistent high standards

We are proud of our people and their many decades of combined expertise in reservoir engineering, geology, geophysics, facilities and project operations.

Calvalley at a glance

Proved (1P) reserves*

39.52 MMbbl

Proved + Probable reserves (2P)

64.14 MMbbl

Risked best estimate resources (2C)

341 MMbbl

Proved (1P) reserves*

39.52 MMbbl

Proved + Probable reserves (2P)

64.14 MMbbl

Risked best estimate resources (2C)

341 MMbbl

Reserves independently verified by McDaniel & Associates in an analysis conducted in 2014.

Health, Safety and the Environment

Calvalley maintains extremely high standards of Health and Safety and sustainable environmental practices. We see this as a vital element in the viability of today’s oil and gas industries.

Experienced Leadership

Calvalley’s leadership team brings high levels of industry experience and expertise, dynamism, and a willingness to set an ambitious strategic direction. 

‘Local First’ approach

Calvalley has strong relationships with the communities in our areas of operation. We invest directly in the futures of the people we work with.

Re-starting production in Yemen

Calvalley has made substantial investments of $35–45m to rehabilitate Block 9 following the force majeure period, through surface and subsurface work including a pressure maintenance program, upgraded facilities, water injection and other improvements. Production resumed in July 2019, with 30 wells ready to produce.

For more information, please download our brochure.