Dual channel oil production string
A production pipe and dual-channel technology, applied in the direction of drilling pipe, casing, production fluid, etc., can solve the problems of low oil production efficiency, achieve the effect of simple operation, improved collection efficiency, and not easy to interfere
Active Publication Date: 2020-11-24
山东海诚千汇能源科技有限公司
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Problems solved by technology
[0004] For this reason, the present invention provides a dual-channel oil production string to overcome the problem of low oil production efficiency in the prior art
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[0033] The above and other technical features and advantages of the present invention will be described in more detail below in conjunction with the accompanying drawings.
[0034] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.
[0035] It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the terms shown in the accompanying drawings. The direction or positional relationship shown is only for convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a speci...
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The invention relates to a dual-channel oil production tubular column. The tubular column includes an outer pipe, an upper sleeve pipe arranged in the upper end of the outer pipe and a lower sleeve pipe arranged in the lower end of the outer pipe. The lower portion of the lower sleeve pipe makes contact with oil, oil enters a cavity of the lower portion of the lower sleeve pipe, and the upper sleeve pipe makes the collected oil discharged through an oil pump. The oil production tubular column further includes an oil production pipe which is arranged in the outer pipe and can rotate along the outer pipe up and down, and the oil production pipe is provided with a central hole, wherein the upper end of the central hole is open and the lower end of the central hole is closed; a floating ball is arranged at the central hole, when the central hole is filled with oil, and a float ball is jacked to make the oil discharged. In particular, by arranging an upper half ring of a first oil inlet inan inward concave shape and the lower half ring of the first oil inlet in an outward convex shape, after the oil passes through an oil supply hole and enters the first oil inlet, the speed of the oilis high, a buffer structure is arranged, the oil thus can be slowed down to a certain extent to avoid oil disorder and eddy current and the oil acquisition efficiency is improved.
Description
technical field [0001] The invention relates to the technical field of oil production, in particular to a double-channel oil production string. Background technique [0002] In the existing oil production process, it is necessary to follow the distribution of each oil layer to avoid mixed production. In order to achieve the ideal production effect, layered production is often used. When it is necessary to change the oil layer to be exploited, the production string needs to be lifted Only by changing the operation tool can the oil layer to be exploited be changed, the operation procedure is cumbersome and the work efficiency is low. [0003] However, in the layered mining pipelines in the prior art, when the upper and lower layers are set for mining, the intermediate structure is required to be able to install and set the upper and lower layer mining switching structures, such as switching through upper and lower pins, and also needs to be set track to enable switching betwe...
Claims
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IPC IPC(8): E21B17/18E21B43/14
CPCE21B17/18E21B43/14
Inventor 李翠芳
Owner 山东海诚千汇能源科技有限公司