Logging while drilling instrument for carrying out fish measurement based on electrical method and ultrasonic wave principle
A logging-while-drilling and ultrasonic technology, which is used in surveying, earth-moving drilling, wellbore/well components, etc., can solve the problems of inability to determine the detailed information of the wellbore around the location of the fish, long construction period, and low salvage efficiency. Achieve the effect of saving salvage operation time, improving accuracy and improving salvage operation time
Pending Publication Date: 2020-05-08
中石化石油工程技术服务有限公司 +3
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Problems solved by technology
It is necessary to detect the shape and position information of the fish head before fishing the fish under complex well conditions. The current measurement tools can only give the depth information of the fish, but cannot determine the orientation of the fish in the well and the detailed information of the surrounding wellbore. (such as the well diameter of the big belly hole, the relative inclination direction of the fish, etc.), without this data, it belongs to blind fishing, which will result in low fishing efficiency and long construction period
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[0022] The present invention will be further described below in conjunction with accompanying drawing.
[0023] figure 1 It schematically shows a logging-while-drilling tool for measuring fish falling based on electrical and ultrasonic principles according to an embodiment of the present invention. According to the logging-while-drilling instrument for measuring fallen fish based on electrical method and ultrasonic principle of the present invention, not only the position of the fallen fish can be measured, but also the shape of the fallen fish can be measured, providing accurate data for the fishing operation of the fallen fish.
[0024] Such as figure 1 As shown, the logging-while-drilling tool for measuring fish falling based on the electrical method and the ultrasonic principle described in this embodiment includes a housing 1 . The casing 1 includes several sections, and the upper part of the casing 1 is connected with a drill pipe or other logging instruments. The cas...
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The invention relates to a logging while drilling instrument for carrying out fish measurement based on an electrical method and an ultrasonic wave principle. The logging while drilling instrument comprises a shell, a position detection device arranged in the shell and measuring electrodes arranged in the shell. The position detection device is configured to be capable of collecting the underground position information of fish, and the measuring electrodes are configured to be capable of detecting the depth information of the top of the underground fish through the electrical method. The logging while drilling instrument can measure the position of the fish and can also measure the shape of the fish, and thus accurate data are provided for fish salvage operation.
Description
technical field [0001] The invention relates to a logging-while-drilling instrument for measuring fish falling based on an electrical method and an ultrasonic principle, and belongs to the field of oil drilling detection tools. Background technique [0002] In the process of exploration and drilling, it often happens that drilling tools and downhole tools in various conditions fall into the well due to fracture and various sundries at the wellhead accidentally fall into the well, forming different types, different sizes, and different materials of falling fish. At this time, the drilling operation must be terminated. Salvage the fallen fish. It is necessary to detect the shape and position information of the fish head before fishing the fish under complex well conditions. The current measurement tools can only give the depth information of the fish, but cannot determine the orientation of the fish in the well and the detailed information of the surrounding wellbore. (such a...
Claims
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Login to View More IPC IPC(8): E21B47/09E21B47/095E21B47/002E21B47/085
CPCE21B47/09
Inventor 杜海洋张坚锋韩春田鲁超邵辉郭淑会李翠林楠崔海波肖红兵李勇华唐海全朱杰然马海杨宁宁
Owner 中石化石油工程技术服务有限公司