the legs are lowered to the ocean's floor and the rig hull and drilling equipment is elevated well above the water's surface and away from any potential waves. The first type of elevating device ...

While in transit, semisubs are not lowered into the water. Only during ... semisub to the stationary subsea well equipment located on the ocean floor. The drilling equipment is somewhat flexible ...

Exploration well 35/6-5 S, the first in production license 1110, was drilled to a vertical depth of 3,933 m subsea by the ...

It said standard drilling equipment and techniques limit the depth ... With Crawford's method it costs about $1,200 to drill a water well in India and $1,400 to drill a well India, he said.

The Brazilian oil giant wants a unit to carry out abandonment and plugging work on offshore wells at ageing shallow-water fields in the Ceara, Potiguar and Sergipe-Alagoas basins, as decommissioning ...

Offshore drilling contractor Odfjell Drilling has agreed terms with Equinor to extend its contract for use of the Deepsea ...