The first line of defense is pouring drilling mud down the well.

Air or another gas is injected into the flow of drilling mud.

The process involves pumping heavyweight drilling mud into the well.

Drilling mud was gushing up from the well, just like a water fountain.

The drilling mud was followed by a large quantity of oil and gas at an increasing flow rate.

When the rams are retracted, there is a passage for the drilling mud.

He said that more than 7,000 barrels of drilling mud had been pumped at varying rates.

Even after the well was further plugged at the platform with drilling mud during the next week, these continued to boil up.

The heavy drilling mud in the pipes initially held down the gas of the leaking well.

The driller will watch for gas levels coming out of the hole, how much drilling mud is going in, and other information.

Also, the hole is filled with drilling mud to help prevent the migration of fluids.

BP announces plan to force feed heavy drilling mud in a project called "top kill".

He says he believes such a reservoir swallowed the drilling mud.

Lost circulation is when drilling mud flows into the formation uncontrollably.

A loss of drilling mud circulation caused the blowout to occur.

The main functions of a drilling mud can be summarized as follows:

This generally works because the cement has much higher density than the drilling mud that it is displacing.

The explosives were presumed assembled by a California company and hidden in barrels of oil drilling mud.

It is standardized for use by mud engineers to check the quality of drilling mud.

But if he took them, the gunfire would give up his position to both the man behind the drilling mud and the other beneath the bulldozer.

Rock cuttings circulated to the surface in drilling mud are sampled and analyzed.

In petroleum production, it can be used as a dispersant in oil well drilling muds.

To compensate for the variations in the drilling mud thickness, there are actually two receivers, one near and one far.

The gas hydrates may then flow upward with drilling mud or other discharged fluids.

Rather than returning to the surface, the drilling mud was escaping into fractures that had formed in the rock at the bottom of the hole.

There are, however, many smaller companies providing drilling fluid services as well.

Many types of drilling fluids are used on a day-to-day basis.

The other major variable is the rheology of the drilling fluid.

Drilling fluid will be cleaned off before the core is cut into 1-2 meter sections.

It captures and separates large volume of free gas within the drilling fluid.

Heavy drilling fluid, called mud, kept disappearing into formation cracks.

Having two mud engineers makes economic sense to prevent down time due to drilling fluid difficulties.

The riser allows for drilling fluids to move between the floor and the rig.

To achieve accuracy the drilling fluid needs time to reach the ambient temperature.

Drilling fluid carries the rock excavated by the drill bit up to the surface.

When the circulation stops, the solids still remain suspended in the drilling fluid.

It contains jets through which the drilling fluid exits.

Oil based mud is a drilling fluid used in drilling engineering.

It is mainly used as dense aqueous solutions for drilling fluids.

Both parameters generally increase with depth, and create a window between which the drilling fluid density is safe.

Mud cleaner can effectively control weighted drilling fluid solid content.

The hopper can be ordered according to the needs of the drilling fluid, aka "mud" system.

Both of these are generally only used when either fresh or brine water is being used for the drilling fluid.

Drilling fluid must be chemically compatible with the formations being drilled.

Large industrial centrifuges are also used in the oil industry to remove solids from the drilling fluid.

They are hollow to allow drilling fluid to be pumped through them, down the hole, and back up the annulus.

The drilling fluid used for a particular job is selected to avoid formation damage and to limit corrosion.

The threefactors are the main reasons why drilling fluid performance is instability.

In the petroleum industry, the chlorides are a closely monitored constituent of the drilling fluid.

Use as propping agent in oil exploration, for example, fracture sands and drilling fluids.