Canada-based energy company Brownstone Ventures has provided an update on its operations in Colombia.

An electrical submersible pump (ESP) has been installed in the Canaguay #1 well in the Llanos Basin and during a short period mechanical operation test of the ESP, the well produced oil at rates in excess of 3,900bopd.

The long term production test of the Mirador zone is expected to take place in February after necessary surface equipment is installed and required approvals are received.

Brownstone has a 25% working interest in the Canaguaro Block.

The joint venture partners have commenced the acquisition of a 110sq km 3D seismic survey on 8 January 2011, over a structure previously defined by 2D seismic on Block 36 in the Llanos Basin.

Brownstone has a 20% paying interest in Block 36, which is operated by Montecz, and is earning a 14% working interest.

The joint venture partners are preparing to conduct a 94sq km 3D seismic survey on Block 21 in the Llanos Basin, with field work expected to begin in February.

Brownstone has a 50% paying interest in Block 21 and is earning a 35% working interest.

Brownstone and its partners have completed the 220sq km 3D seismic survey on Block 27 in the Llanos Basin, and the company has a 50% paying interest before payout and a 34.25% working interest after payout.