18 July 2017

Complete a well

To finish work on a well and bring it to productive status. See Well completion.
18 July 2017

Crater

Term meaning the hole is caving in. To crater refers to the results that sometime accompany a violent blowout during which the surface surrounding the wellbore […]
18 July 2017

Daywork

The basis for payment in which contractor is paid by the operator at an agreed upon daily rate. This is in lieu of a footage rate […]
18 July 2017

Drilling under pressure

Carrying on drilling operations while maintaining a seal at the top of the wellbore to prevent the well fluids from blowing out.
25 July 2017

Feed-off

The act of unwinding a cable from a drum. Also a device on a drilling rig that keeps the weight on the bit constant, and lowers […]
18 July 2017

Fill the hole

To pump drilling fluid into the wellbore while the pipe is being withdrawn to ensure that the wellbore remains full of fluid even though the pipe […]
18 July 2017

Flooding

The process of drowning out a well with water; also the process by which oil is driven through the sand into the well by water introduced […]
18 July 2017

Gun-perforate

To create holes in casing and cement set through a productive formation. A common method of completing a well is to set casing through the oil-bearing […]
18 July 2017

Jet-perforate

To create a hole through the casing with a shaped charge of high explosives instead of a gun that fires projectiles. The loaded charges are lowered […]
18 July 2017

Killing a well

The act of bringing under control a well which is blowing out; also applied to the procedure of circulating water and mud into a completed well […]
18 July 2017

Latch on

To attach elevators to a section of pipe to pull it out of or run it into the hole.