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147 results about "Water composition" patented technology

The Composition of Water: Water is composed of two gases, namely Hydrogen and Oxygen. They combine chemically to form water. For this reason water is known as a Chemical compound Water can be split up in to Hydrogen and Oxygen by the use of electricity, and on the other hand, the two gases may be made to combine to form water.

Drilling system and method based on subsea pump pressure control

The invention relates to a drilling system and method based on subsea pump pressure control. The system is characterized by comprising a drilling ship; a drilling liquid supplying device and a control device are arranged on the drilling ship; the drilling liquid supplying device is connected with the liquid feeding end of a water faucet through a liquid manifold; the water faucet is fixedly connected to a derrick arranged in the middle part of the drilling ship; the liquid discharging end of the water faucet is in rotating connection with the top end of a drilling rod; a drill bit is fixedly connected to the bottom end of the drilling rod; an absorbing module sleeves the lower part of the drilling rod; two pipelines are symmetrically arranged on the outer pipe wall of the absorbing module; a throttle valve is arranged on the pipeline at one side; the control device is electrically connected to an electrical device positioned on the drilling ship; the electrical device is electrically connected with a motor through a control and power pipeline; the output end of the motor is connected with a subsea pump; an inlet of the subsea pump is connected with a hose and provided with a pressure flow sensor. According to the system, the opening degree of the throttle valve and the rotating speed of the subsea pump can be adjusted by a control panel device through the control and power pipeline, so that the pressure of a wellhead of a subsea drilling well is stable, and as a result, the well control risk caused by natural gas-water composition can be controlled.
Owner:CHINA NAT OFFSHORE OIL CORP +1
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