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Digital layered-injection downhole integrated controller

A separate injection well and integrated technology, applied in wellbore/well components, production fluid, earthwork drilling and production, etc., can solve the problems of inability to realize historical data recording, non-contact signal transmission, high risk of obstruction and jamming , to achieve the effect of reducing the risk of encountering obstacles and getting stuck, high accuracy and high success rate

Pending Publication Date: 2018-12-18
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art, and provide a digital sub-injection downhole integrated controller, which overcomes the problems of 1: contact mechanical operation is necessary for water distributor testing and deployment, and 2: historical data cannot be realized Admission and non-contact signal transmission, 3: High risk of getting stuck in the construction process

Method used

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  • Digital layered-injection downhole integrated controller

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specific Embodiment approach

[0024] It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention Any modification of the structure, change of the proportional relationship or adjustment of the size shall still fall within the scope of the technical content disclosed in the present invention without affecting the effect and purpose of the present invention. In the range.

[0025] At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable scope of the invention and the change or adjustment of its relative relationship shall also be regarded as the practicable scope of the present inventi...

Embodiment 1

[0027] Such as figure 1 As shown, the present invention discloses a digital sub-injection downhole integrated controller, which includes a lower connection assembly, a wireless communication module, a threaded connection assembly, a mechanical transmission device, a positioning claw and an upper connection assembly. The lower connection assembly, wireless The communication module, the screw connection component, the mechanical transmission device, the positioning claw and the upper connection component are sequentially connected, wherein the mechanical transmission drives the positioning claw to open and close for positioning, and the wireless communication module is provided with a circuit board, wherein the upper connection component and the circuit board electric connection.

Embodiment 2

[0029] Such as figure 1 As shown, the present invention discloses a digital sub-injection downhole integrated controller, which includes a lower connection assembly, a wireless communication module, a threaded connection assembly, a mechanical transmission device, a positioning claw and an upper connection assembly. The lower connection assembly, wireless The communication module, the screw connection component, the mechanical transmission device, the positioning claw and the upper connection component are sequentially connected, wherein the mechanical transmission drives the positioning claw to open and close for positioning, and the wireless communication module is provided with a circuit board, wherein the upper connection component and the circuit board electric connection.

[0030] Such as figure 1 As shown, preferably, the lower connection assembly includes a lower end protective wire 1, a connecting cylinder 2 and a connector, wherein the lower end protective wire 1 is...

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Abstract

The invention discloses a digital layered-injection downhole integrated controller which comprises a lower connecting assembly, a wireless communication module, a threaded connecting assembly, a mechanical transmission device, a fixing pawl and an upper connecting assembly. The lower connecting assembly, the wireless communication module, the threaded connecting assembly, the mechanical transmission device, the fixing pawl and the upper connecting assembly are successively connected, wherein the mechanical transmission device drives the fixing pawl to open or close for fixing. The wireless communication module is internally provided with a circuit board, wherein the upper connecting assembly is electrically connected with the circuit board. The upper connecting assembly of the integrated controller is connected with a ground power supplying cable. Because the upper connecting assembly is electrically connected with the circuit board in the wireless communication module, and the wireless communication module performs bidirectional wireless communication with an intelligent water regulator, through power supplying by the ground power supplying cable, a measuring and adjusting instruction, a downhole flow, a pressure, current temperature data and historical temperature data are transmitted in real time, and furthermore noncontact signal transmission between the integrated controller and the intelligent water regulator and historical data reading are realized.

Description

technical field [0001] The invention belongs to the technical field of oilfield water injection, in particular to a digital sub-injection downhole integrated controller. Background technique [0002] At present, the separate injection process of water injection wells mostly uses mechanical measuring and adjusting instruments for water distribution device testing and allocation and related data acquisition, which are basically realized by contact mechanical operations, and historical data acquisition and non-contact signal transmission cannot be realized, which increases the construction cost. The risk of encountering obstacles and jams during the process will affect the oilfield injection effect, the success rate of measurement and adjustment is low, and the accuracy is not high. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art, and provide a digital sub-injection downhole integrated co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/20
CPCE21B43/20
Inventor 胡改星姚斌姬振宁于九政杨玲智王子建毕福伟刘延青邓志颖王薇
Owner PETROCHINA CO LTD
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