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Processing method for vibrating screen mud parameter signals

A treatment method and vibrating screen technology, which is applied in earthwork drilling, measurement, instruments, etc., can solve the problems of open-air discharge of cuttings, inconvenient equipment for post-processing of cuttings, and single performance of the vibrating screen.

Inactive Publication Date: 2013-05-15
蒋仁斌
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the traditional petroleum drilling shale shaker technology can no longer meet the higher requirements of the development of modern drilling technology.
On the one hand, the separation mode of single vibration, even if the overall size is increased, does not meet the requirements of modern drilling engineering for mud handling capacity; In addition, the performance of the traditional vibrating screen is single, the screening operation of the vibrating screen is completely independent of the entire drilling circulation system, without any feedback and intelligent links, and the best time to grasp the drilling conditions in time is missed

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  • Processing method for vibrating screen mud parameter signals

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Embodiment

[0021] The method for processing the mud parameter signal of the vibrating screen according to the invention includes: preprocessing of the mud parameter signal, analog-to-digital conversion, and digital analysis.

[0022] The preprocessing of the mud parameter signal includes: anti-aliasing filter processing and amplitude adjustment.

[0023] The analog-to-digital conversion includes: sample-hold, quantization and encoding.

[0024] The digital analysis includes: operation analysis and display output.

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Abstract

The invention discloses a processing method for vibrating screen mud parameter signals. The method comprises the steps of preprocessing of the mud parameter signals, conversion of analog digits and analysis of the digits. The preprocessing of the mud parameter signals comprises the steps of mixing resistant filter processing and moderate adjustment of an amplitude value. The conversion of the analog digits comprises the steps of sampling holding, quantization and coding. The analysis of the digits comprises the steps of operational analysis and displaying output. According to the processing method for the vibrating screen mud parameter signals, down-hole working conditions, stratum information or screening effects of a vibrating screen can be qualitatively evaluated through comparison of measured values of mud parameters at the positions of an entrance and an exit.

Description

technical field [0001] The invention relates to a method for processing mud parameter signals of a vibrating screen. Background technique [0002] Drilling plays a very important role in various tasks of oil exploration and oilfield development. During the drilling process, the cuttings produced after the bottom rock is broken are carried to the surface through the circulating mud. This process is called well washing. As an important link in the drilling process, well flushing is realized by circulating mud, so some people compare mud to the blood of drilling engineering. [0003] Mud technology has become an important part of modern oil and gas drilling engineering. A large number of research data at home and abroad show that the mud has the functions of carrying and suspending cuttings, stabilizing the well wall and balancing the formation pressure, cooling and lubricating the drill bit, drilling tools and transmitting hydraulic power during the drilling process, which a...

Claims

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Application Information

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IPC IPC(8): E21B47/00E21B49/00G01D21/02
Inventor 蒋仁斌
Owner 蒋仁斌