A method and system for monitoring the status of the lifting ring of a top drive drilling device
A lifting ring and drilling technology, which is applied to the automatic control system of drilling, drilling equipment, earthwork drilling and production, etc. It can solve the problems of poor flexibility and applicability, inability to solve practical problems well, and inability to respond quickly and cope with them, etc. problem, to achieve the effect of real-time observation
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Embodiment 1
[0143] Figure 13 It is a schematic diagram of the flow rate curve in a specific embodiment of the present invention. Among them, the dotted line is the flow velocity curve. During the first short period of time when the hydraulic action is performed, the flow velocity increases from zero to a stable value, and at the end of the hydraulic action, the flow velocity decreases from the stable value to zero; the cumulative flow during this period The change trend is shown by the solid line in the figure.
[0144] A system for monitoring the action state of the lifting ring of the top drive drilling device proposed by the present invention is generally applicable to the top drive drilling device. It only needs to reasonably select the measurement accuracy of the flow sensor and the installation in the hydraulic system according to the actual design structure of the top drive hydraulic system. Location.
[0145] The top drive body is suspended on the derrick through the hook conne...
Embodiment 2
[0152] A system for monitoring the action state of the lifting ring of the top drive drilling device proposed by the present invention aims at the problems that the top drive body needs to be modified in the existing method, and the accuracy of the position sensor is affected by the vibration of the top drive body. From the perspective of the organic combination of the three, research the practical algorithm for indirectly judging the action state of the hydraulic cylinder based on the hydraulic oil flow, and then set up the safety chain and control logic through the electrical control system and convert it into visual information and publish it to the driller's console and other monitoring platforms to achieve Real-time monitoring and timely alarm.
[0153]The basic principle of the present invention is: use the flow sensor to monitor the liquid flow of the hydraulic system of the top drive device, combine the mechanical design and installation dimensions of the top drive, and...
Embodiment 3
[0160] A system for monitoring the action state of the lifting ring of the top drive drilling device proposed by the present invention is also applicable to modern intelligent drilling rigs equipped with mechanical drillers.
[0161] To sum up, the present invention provides a method and system for monitoring the state of the suspension ring of a top drive drilling device, belonging to the technical field of oil and gas drilling. The flow sensor is used to monitor the liquid flow of the hydraulic system of the top drive device, and the operation state of the hydraulic cylinder is indirectly judged by comparing the change of the flow rate, and then the position of the top drive mechanical structure such as the inclination state and inclination angle of the lifting ring is judged, so as to realize the top drive that performs hydraulic actions on the lifting ring, etc. Position status monitoring of the body mechanical structure. Monitor the action state of the hydraulic cylinder ...
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