Como o petróleo é encontrado? Uma breve explicação sobre sísmica offshore

How Is Oil Found? A Brief Explanation Of Offshore Seismic

Written by Paulo Nogueira

Published on 26/09/2019 at 09:36

Updated on 26/09/2019 at 13:51

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Seismic research consists of conducting an oceanographic ultrasound, performed through sound waves captured by seismic cables, with the aim of finding oil and gas reserves in the seabed.

The vessels used in this research are ships that carry a series of necessary research equipment, such as compressed air sources, which emit low-frequency sound waves that travel to the ocean floor and return to the surface, being captured by the ship’s seismic cables. These signals are interpreted and generate geophysical data that allow for the analysis of the seabed, thus identifying areas with the highest chances of containing oil and gas reserves. The seismic ship contains several storage locations (for seismic cables, compressed air bottles, and others), a hangar, workshops, a large operational area, and laboratories with different functions.

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Curiosity: Sharks Can Bite the Cable, Disrupting the Accurate Reading and Interpretation of Seismic Data

Second Officer of Navigation, Michel Ribeiro, reports something interesting, let’s put it in quotes so you can understand the account:

“Excellent work! I had the opportunity to work on a seismic ship from CCG ALIZE. These seismic cables have a very high economic value, millions of dollars each. We went out to make repairs on the birds, which are the depth controllers. The energy that passed through the cables caught the attention of sharks that would bite pieces off the cables, creating a reading failure at the specific location where they attacked. For me, it was a pleasure to have to change the birds, we would go by speedboat to make the swap. A truly wonderful experience!”

Source: Rafaela Bezerra, Technologist, Technician in Chemistry and Construction. Reference for technical details: Oceânica UFRJ.

How Is Oil Found? A Brief Explanation Of Offshore Seismic

Does Most of the Modern Brazilian Industry Use Fossil Fuels from Offshore Discoveries? But Do You Know the Technology to Find Oil and the Types of Operations Involved?

Curiosity: Sharks Can Bite the Cable, Disrupting the Accurate Reading and Interpretation of Seismic Data

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How Is Oil Found? A Brief Explanation Of Offshore Seismic

Does Most of the Modern Brazilian Industry Use Fossil Fuels from Offshore Discoveries? But Do You Know the Technology to Find Oil and the Types of Operations Involved?

Curiosity: Sharks Can Bite the Cable, Disrupting the Accurate Reading and Interpretation of Seismic Data

Mother and daughter build a 70 m² house with more than 8,000 discarded glass bottles and impress with their creativity; known as the Casa de Sal, the property is located on Itamaracá Island, in Pernambuco.

Workers were opening a new road connection near the Marginal Tietê when they found, in the underground of the construction site, remnants of locomotives, wagons, and boilers from the 19th century linked to the forgotten history of Lapa.

Instead of burning or burying old tires, an American city is transforming about 2,000 of them into the street itself, paving its first sections with a quieter and more durable rubber asphalt.

China transforms desert-devastated area into the world’s largest artificial forest, planting trees for 60 years, blocking sand that reached Beijing, and creating a “green lung” of 92,000 hectares in a region once considered lost.

Greek island offers free housing for volunteers, but there’s a condition: you need to take care of rescued cats.

He transformed an abandoned plastic water tank into an underground house in the “hobbit hole” style, using only repurposed pallet wood, without heavy machinery or expensive labor.

Toyota launches “family hybrid van” with 7 or 8 seats, 1.8 hybrid engine, fuel consumption of up to 23.8 km/l, and a price equivalent to about R$ 104,000 without taxes, below the Tiggo 8 Pro Plug-in Hybrid sold in Brazil: meet the Noah Hybrid 2026 in Japan.

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