A Continuous Sampling System for Surface Sand Samples in Drilling Engineering
A technology of drilling engineering and sampling system, which is applied in the direction of sampling devices, etc., can solve the problems of difficult sequential sampling and poor representativeness of sample lithology, and achieve the effects of improving labor intensity, increasing representativeness, and facilitating installation
Active Publication Date: 2020-03-10
北京创元诚信自动化控制设备有限公司
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[0002] In oil exploration, in order to obtain the composition information of the underground soil layer in time, it is necessary to take samples from different soil layers and then conduct composition analysis. According to the analysis of the sample composition data, accurate oil information of the soil layer can be obtained. The existing survey sampling is based on the progress of returning mud. , Nodal sampling, relying on manual selection of nodes to fish for sand samples, this sampling method has poor representativeness of sample lithology, and at the same time, it is difficult to sequentially sample in this manual sampling method
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[0034] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0035] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...
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The invention provides a continuous earth-surface sand sampling system for a drilling project. The continuous earth-surface sand sampling system comprises a bearing and conveying apparatus, a suctionapparatus and a conveying pipeline which are successively connected, wherein the bearing and conveying apparatus is located under a slurry vibrating screen and used for bearing rock debris leaked fromthe vibrating screen and containing slurry and for conveying the rock debris containing the slurry; a vacuumizing device and a flushing mechanism are arranged in the suction apparatus, and the suction apparatus can provide the rock debris containing the slurry with conveying power while scouring the rock debris containing the slurry; and the output terminal of the conveying pipeline is provided with a three-way valve with one inlet and two outlets, one of the outlet of the three-way valve is connected with a sand holding bag and the other outlet of the three-way valve is connected with a sandsample sorting and washing device. The continuous earth-surface sand sampling system for the drilling project has the advantages that (1) continuous sampling of drillings is realized, and the problemthat rock debris containing slurry is poor in representativeness is overcome; and (2) the labor intensity of workers is improved, and collection accuracy of rock debris containing slurry is guaranteed.
Description
technical field [0001] The invention belongs to the field of petroleum drilling survey, in particular to a continuous sampling system for surface sand samples in drilling engineering. Background technique [0002] In oil exploration, in order to obtain the composition information of the underground soil layer in time, it is necessary to take samples from different soil layers and then conduct composition analysis. According to the analysis of the sample composition data, accurate oil information of the soil layer can be obtained. The existing survey sampling is based on the progress of returning mud. 1. Nodal sampling, relying on manual selection of nodes to fish for sand samples, this sampling method has poor representativeness of sample lithology, and at the same time, it is difficult to sequentially sample in this manual sampling method. Contents of the invention [0003] In view of this, the present invention aims to propose a continuous sampling system for surface san...
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IPC IPC(8): G01N1/14
Inventor 胡志勇胡泊
Owner 北京创元诚信自动化控制设备有限公司
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