Indoor experimental impactor and experimental method for hydraulic oscillating axial impact
An axial impact and impactor technology, applied in the field of indoor experimental devices, can solve problems such as unreasonable structural parameters of the impactor, and achieve the effects of being convenient for multiple experiments, easy to implement, and simple in structure
Active Publication Date: 2017-05-10
NORTHEAST GASOLINEEUM UNIV
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[0004] The object of the present invention is to provide a hydraulic oscillation axial impact chamber experimental impactor and an experimental method. This hydraulic oscillation axial impact indoor experimental impactor aims to detect relevant index data in real time through continuous adjustment experiments, and to improve the structure of the impactor. Parameters are optimized to solve the problem of unreasonable structural parameters of existing conventional impactors
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[0032] The present invention will be further described below in conjunction with the accompanying drawings.
[0033] Such as figure 1 As shown, this kind of hydraulic oscillation axial impact indoor experimental impactor includes a casing 1, a deflector 2, an impeller 3, an impeller shaft 8, an impeller seat 4, a contraction tube 6, and a transmission short 5, see Figure 5 , the interior of the casing 1 is divided into two-stage shrinkage chambers by the annular boss, and the impeller refers to Figure 4 , the impeller 3 is installed in the impeller seat 4 through the impeller shaft 8, and the contraction tube 6 sits on the annular boss, see image 3 , The impeller seat 4 has a cuboid cavity, and a through hole is provided along the length of the cavity, which is used to cooperate with the impeller shaft 8 to install the impeller 3 . The impeller seat 4 sits on the contraction tube 6, the deflector 2 is placed on the impeller seat 4, the screw plug 7 is screwed on the upper...
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The present invention relates to a hydraulic oscillation axial impact indoor experimental device and an experimental method, wherein the hydraulic oscillation axial impact indoor experimental device includes a casing, a deflector, an impeller, an impeller shaft, an impeller seat, and a contraction tube. The table is divided into two shrinkage chambers, the impeller is installed on the impeller seat through the impeller shaft, the shrinkage cylinder seat is on the annular boss, the impeller seat is seated on the shrinkage cylinder, the deflector is placed on the impeller seat, and the plug is screwed on Fasten the deflector, impeller seat and shrink tube in the casing at the upper port of the housing; inside the deflector there is a diversion cavity with a right-angled trapezoidal cross-section, and the lower port of the diversion cavity is close to the side of the impeller; the shrink tube It has a three-stage contraction cavity, and a pressure guide hole is drilled around the first-stage contraction cavity. The pressure guide hole communicates with the pressure measurement groove on the outer wall of the contraction cavity. The outer shell has a test hole for installing the sensor, and the test hole communicates with the pressure measurement groove. The invention aims at optimizing the structural parameters of the impactor through continuous adjustment experiments, real-time detection of relevant index data, and solving the problem of unreasonable structural parameters of the existing conventional impactors.
Description
technical field [0001] The invention relates to an indoor experimental device and method for drilling tools in the petroleum industry, in particular to a hydraulic oscillation axial impact indoor experimental impactor and an experimental method. Background technique [0002] Rock breaking technology is the core content of oil and gas drilling technology, and it is also the focus of basic theoretical research on drilling engineering. In deep wells and ultra-deep wells, efficient rock breaking technology is more important. The quality of rock breaking efficiency directly determines the drilling speed and cost, and also determines the economic benefits of the drilling project. [0003] At present, various impactors are the main downhole power tools to improve the ROP of deep wells. Among them, the hydraulic vibration impactor is the most. By placing a certain hydraulic energy conversion mechanism on the upper part of the drill bit, the hydraulic vibration impactor causes the...
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IPC IPC(8): G01M13/00
Inventor 李占东李玮李思琪纪照生刘维凯杨昕谅
Owner NORTHEAST GASOLINEEUM UNIV