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Flow-concentration setting structure for oil field small-flow-rate bridge-free eccentric water distributor

A technology of eccentric water distribution and small flow, which is applied in the direction of measuring flow/mass flow, liquid/fluid solid measurement, instruments, etc., and can solve problems such as inability to inject liquid

Active Publication Date: 2018-09-28
四川省科学城久利电子有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the existing test sealing section used for flow measurement of bridge-type eccentric water distributors is not suitable for small-flow flow measurement of eccentric water distributors without bridges, which will lead to the situation that liquid cannot be injected , the purpose is to provide a flow-collecting and setting structure for small-flow eccentric water distributors without bridges in oil fields. On the basis of the existing test sealing section, by setting flow channels inside it, the eccentric water distributors without bridges After being set, it ensures the smooth flow of the liquid flow without being blocked at the test sealing section

Method used

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  • Flow-concentration setting structure for oil field small-flow-rate bridge-free eccentric water distributor
  • Flow-concentration setting structure for oil field small-flow-rate bridge-free eccentric water distributor

Examples

Experimental program
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Effect test

Embodiment 1

[0029] Such as figure 1 As shown, the present invention is a flow-collecting and setting structure for oilfield small-flow eccentric water distributor without bridge, including a test sealing section for eccentric water distributor with bridge, the top of the test sealing section is provided with a water inlet, A water outlet is provided at the bottom, and a liquid flow channel connecting the water inlet and the water outlet is provided inside the test sealing section.

[0030] The setting structure of the present invention, based on the structure of the existing test sealing section, provides a flow channel inside it, so that after the eccentric water distributor without a bridge is set, the smooth flow of the liquid flow is guaranteed without being blocked. Test the sealing section. The water distributor is a kind of equipment used in oil well water injection, and the test sealing section is to block the water distributor when testing the injection flow in the water distrib...

Embodiment 2

[0032] Such as figure 1 with figure 2 As shown, the present invention is a flow-collecting and setting structure for small-flow eccentric water distributors without bridges in oil fields. On the basis of Example 1, the test sealing section includes a shell cylinder 1, and the upper end of the shell cylinder 1 A water inlet is provided, and a water outlet is provided at the lower end. A compression fixing ring 2 and a compression push sleeve 3 are sequentially sleeved on the outer wall of the shell cylinder 1, and a useful For the set leather wrist 4, one end of the inner wall of the leather wrist 4 is connected with the outer wall of the compression fixing ring 2, and the other end of the inner wall of the leather wrist 4 is connected with the outer wall of the compression push sleeve 3, and the compression push sleeve 3 is in the Driven by the driving mechanism, it can move along the axis towards the compression fixing ring 2. When the compression push sleeve 3 moves toward...

Embodiment 3

[0035] Such as figure 1 with figure 2 As shown, the present invention is a flow-collecting and setting structure for oil fields with small flow without bridge eccentric water distributor. On the basis of Embodiment 2, the drive mechanism includes a drive motor 17 arranged below the water inlet in the shell cylinder 1 , the lower end of the drive motor is connected with the first transmission shaft 5 coaxial with the shell cylinder 1, the first transmission shaft 5 is provided with a translation guide sleeve 6 through a threaded sub-set, and the outer wall of the translation guide sleeve 6 is vertically connected with a movable The pin 8 is provided with a bar-shaped moving hole 7 parallel to the axis of the shell cylinder 1 on the outer wall of the shell cylinder 1. The moving hole 7 is located between the translation guide sleeve 6 and the compression push sleeve 3. The end of the movable pin 8 extends Out of the moving hole 7 and flush with the outer wall of the compressio...

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Abstract

The invention discloses a flow-concentration setting structure for an oil field small-flow-rate bridge-free eccentric water distributor. The flow-concentration setting structure comprises a testing sealing section used for a bridge eccentric water distributor. A water inlet is formed in the top of the testing sealing section, and a water outlet is formed in the bottom of the testing sealing section. The testing sealing section is internally provided with a liquid flow channel for communicating the water inlet with the water outlet. According to the flow-concentration setting structure, the flow channel is formed in the structure of an existing testing sealing section, and thus it is ensured that a liquid flow smoothly flows downwards and is prevented from plugging the testing sealing section after the bridge-free eccentric water distributor is subjected to setting.

Description

technical field [0001] The invention relates to a setting structure, in particular to a flow-collecting setting structure for an eccentric water distributor with a small flow rate in an oil field without a bridge. Background technique [0002] Eccentric water distributors without bridges are often used in oil field operations. When measuring the small flow rate of oil wells, because the liquid flow path is too slow, neither ultrasonic nor eddy current can measure the flow at a very slow flow rate, so usually A collecting flowmeter integrated with an electromagnetic flowmeter and a collecting structure is used, but it is found in actual production that the collecting flow measurement needs to make all the liquid flow injected into the inner cavity pipeline of the water distributor pass through the collecting flowmeter, so it is necessary to The central lumen pipeline is set and sealed. The existing test sealing section for the bridge eccentric water distributor has a bridge f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/20E21B33/126G01F1/00
CPCE21B33/126E21B43/20G01F1/00
Inventor 陈军涂高鹏夏涛赵海云刘黄莹李小林同凯张良
Owner 四川省科学城久利电子有限责任公司
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