Chinese, Azerbaijani technicians jointly conduct survey in Caspian Sea

An Azerbaijani employee operates equipment aboard a seismic vessel of Caspian Geophysical Company in the Caspian Sea near Baku, Azerbaijan, Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)

An Azerbaijani employee operates equipment aboard a seismic vessel of the Caspian Geophysical Company in the Caspian Sea near Baku, Azerbaijan, Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)

A Chinese technician inspects Ocean Bottom Node (OBN) seismic instruments aboard a seismic vessel of the Caspian Geophysical Company in the Caspian Sea near Baku, Azerbaijan, Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)

Chinese and Azerbaijani technicians work in front of various monitoring screens inside the navigation cabin aboard a seismic vessel of the Caspian Geophysical Company in the Caspian Sea near Baku, Azerbaijan, Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)

Chinese and Azerbaijani technicians monitor the deployment of Ocean Bottom Node (OBN) seismic instruments inside the data-analysis cabin aboard a seismic vessel of the Caspian Geophysical Company in the Caspian Sea near Baku, Azerbaijan, Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)

An Azerbaijani employee attaches Ocean Bottom Node (OBN) seismic instruments to the cable aboard a seismic vessel of the Caspian Geophysical Company in the Caspian Sea near Baku, Azerbaijan, Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)

Chinese and Azerbaijani technicians deploy yellow-cased Ocean Bottom Node (OBN) seismic instruments to the seabed aboard a seismic vessel of the Caspian Geophysical Company in the Caspian Sea near Baku, Azerbaijan, Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)

Chinese and Azerbaijani technicians deploy yellow-cased Ocean Bottom Node (OBN) seismic instruments to the seabed aboard a seismic vessel of the Caspian Geophysical Company in the Caspian Sea near Baku, Azerbaijan, Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)

An Azerbaijani employee monitors the feeding of node interconnection cables on-screen aboard a seismic vessel of Caspian Geophysical Company in the Caspian Sea near Baku, Azerbaijan, Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)

A yellow-cased Ocean Bottom Node (OBN) instrument slides into the Caspian Sea at the stern of a seismic vessel of the Caspian Geophysical Company near Baku, Azerbaijan, On Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)

Chinese and Azerbaijani technicians deploy yellow-cased Ocean Bottom Node (OBN) seismic instruments to the seabed aboard a seismic vessel of the Caspian Geophysical Company in the Caspian Sea near Baku, Azerbaijan, Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)

Chinese and Azerbaijani technicians deploy yellow-cased Ocean Bottom Node (OBN) seismic instruments to the seabed aboard a seismic vessel of the Caspian Geophysical Company in the Caspian Sea near Baku, Azerbaijan, Aug. 18, 2026. Chinese and Azerbaijani oil-gas exploration technicians aboard the seismic vessel worked together to deploy OBN seismic instruments into the waters of the Caspian Sea, and conduct data analysis on Wednesday night.

The vessel is operated by the Caspian Geophysical Company, a joint venture between China and Azerbaijan. (Xinhua/Chen Junfeng)