A structure built over a well

Usage examples of wellhead.

Revealing formal gardens with stone hermae, geysering fountains, lamps, a marble wellhead, terra-cotta jars tall as a man, and statues of sylphs and mythical animals so lifelike that they almost seemed to move through the boughs and terraced pathways.

Jess looked down at the wellheads and pumping stations surrounded by igloo-style hangars, large water-tanker ships for delivering supplies to settlements, and elevator passages that descended to the subcrustal settlement.

So many people were moving about in the great stone courtyard, in and out of the arcades from brilliant sun to brittle shadow, rubber-necking up at the long Renaissance facade of the eastward side, or the Baroque clock-tower under which she had entered, or climbing about the two enormous wellheads to find good places for taking photographs.

Not far away were other geothermal wellheads, their natural pressurized steam deflected into huge insulated pipes.

On the credit side, he had an experienced, smoothly functioning crew, nine rigs with four more on order, and nearly four billion tons of sweet crude ready to gush up from the wellheads.

Somewhere far down below among the twisted spars and drill pipe and cables and the flooded wreckage of the quarter boat were the bodies of my father and nineteen other men who went down with the rig when the drill bit punched into a pay sand and the wellhead blew.

If the reservoir lacks sufficient driving force (gas or water) to push the oil up to the surface, the wellhead will be connected to a pump, which then provides the lifting force.

Curtis climbs onto the foot-high wooden platform surrounding the wellhead, grips the pump handle with both hands, and works it as if it were a jack.