Sentence examples for by the mud pumps from inspiring English sources

In [7] and [8], a limited impulse response low-pass filter is used as a DC (direct current) estimator, and a band-pass filter is used to eliminate the large out-of-band noise components caused by the mud pumps, and at last a zero mean signal is acquired.

The most common method of generating a pressure pulse signal is by interrupting the drilling and continuously switching the mud pump at a fixed frequency.

The commands corresponding to each determination signal were stored in an underground reservoir, and the mud flow rate on the ground was automatically controlled by a controller or mud flow rate control device that controlled the mud pump.

The power source for the turbodrill is the mud pump, which forces mud through the drill pipe to the turbine.

With the relief well strategy, the blown-out well would have to be reopened when the mud pumping began.

During the well drilling process, the mud pump usually works a long time before shut down.

This morning, BP reported that the static kill procedure was working so far as the mud pumped into the blown out well was holding back the oil.

But the 30,000-horsepower mud pumps on ships on the surface and the weight of 1524 meters of mud between the surface and the wellhead would boost the backpressure in the wellhead that is created by resistance to flow in the blowout preventer and riser.

The developed technology has been successfully applied by the oil industry to prolong the lifetime of cylinder liners by three to four times and that of the rubber pistons in mud pumps by a factor of 2.

The drilling efficiency of the drilling operation is seriously affected by the man-made control of the opening and braking of the ground mud pump, and there are uncertainties such as man-made error of control time and artificial judgment.

They also concluded that at least one of the rig's mud pumps was in "bad condition".