On May 26th BP started to pump heavy drilling mud into the blowout preventer, the set of valves at the top of the well to which that broken pipe is attached.
The control pod will open the valves that allow the drilling mud to be forced into the well.
Lignin derivatives can be used as additives to drilling mud, plugging agents, mobility control agents and sacrificial agents in surfactant flooding.
Above it the Q4000 rig and three attendant vessels have 50, 000 barrels of peculiarly heavy drilling mud and pumps capable of providing 30, 000 horsepower with which to muscle that mud into the well.
Also in development are new drilling muds that cool the drill bit during operation.
The plan is to pump heavy drilling mud around, and then inside, that pipe to stop the upward flow of oil and gas, and then to set a number of cement seals to plug the hole for good.
The utility model relates to a pump valve of a well drilling mud pump.
In this paper the authors approach the application of drilling mud to face pre-injection, backwall infilling injcetion, roof fall space infilling injection and split zone infilling injcetion.
The next step is to try to staunch the flow proper with drilling mud, a mixture of water and clay minerals.
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