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Double-channel steam injection and oil production sand preventing and scale preventing pump

A dual-channel, steam injection technology, used in pumps, pump components, and production fluids, etc., can solve the problems of easy falling into the pump barrel, the plunger is blocked, and the sand jam is stopped, so as to avoid frequent pump jam accidents and reduce structural damage. The effect of reducing the probability of fouling and reducing production costs

Pending Publication Date: 2020-09-18
KARAMAY SHENGLI PLATEAU MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During steam injection, it is easy to scale on the inner wall, which will hinder the lowering of the plunger, or shorten the life of the sealed working cylinder, and even cause accidents such as stuck pump and shutdown;
[0004] 2. When pumping oil, solid impurities such as sand in the oil are easy to fall into the inside of the pump barrel, causing sand grinding, and even sand jams to stop production accidents

Method used

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  • Double-channel steam injection and oil production sand preventing and scale preventing pump
  • Double-channel steam injection and oil production sand preventing and scale preventing pump
  • Double-channel steam injection and oil production sand preventing and scale preventing pump

Examples

Experimental program
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Effect test

Embodiment 1

[0031] like Figure 1-11 As shown, a dual-channel steam injection, oil production, sand and scale prevention pump includes a pump body, the pump body is provided with a steam injection outer pipe assembly 1, and the steam injection outer pipe assembly 1 is provided with an oil production assembly, so The oil recovery assembly includes a pump barrel assembly, which is provided with a long plunger assembly 2, and the lower end of the pump barrel assembly is connected with a fixed valve (seal) assembly 3, and the pump barrel assembly The assembly cooperates with the long plunger assembly 2 to form a variable cavity. The long plunger assembly 2 moves upward, and the cavity of the pump barrel assembly changes accordingly. The inside of the fixed valve (seal) assembly 3 A ball valve seat 33 is provided to ensure that the liquid can only flow in one direction. The long plunger assembly 2 is also provided with a ball valve seat to ensure that the liquid can only flow in one direction....

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PUM

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Abstract

The invention discloses a double-channel steam injection and oil production sand preventing and scale preventing pump which comprises a pump body. A steam injection outer pipe assembly is arranged onthe pump body. An oil production assembly is arranged in the steam injection outer pipe assembly. The oil production assembly comprises a pump cylinder assembly, and a long plunger assembly is arranged in the pump cylinder assembly. The lower end portion of the pump cylinder assembly is connected with a fixing valve assembly, and the pump cylinder assembly is matched with the long plunger assemblyto form a variable containing cavity. Valve ball valve seats are arranged in the fixing valve assembly and the long plunger assembly correspondingly. The fixing valve assembly comprises a core shaftpart and a lining part arranged at the outer portion of the core shaft part. The double-channel steam injection and oil production sand preventing and scale preventing pump has the beneficial effectsthat the labor intensity of frequent well repairing is lowered, the service life is prolonged, and the production cost is reduced.

Description

technical field [0001] The invention relates to an oil production pump in an oil field, in particular to a dual-channel steam injection oil recovery pump for sand and scale prevention, which belongs to the field of oil production pumps. Background technique [0002] Heavy oil wells often use steam injection huff and puff technology to reduce the viscosity of heavy oil and increase productivity. However, there are problems with the commonly used dual-purpose injection and extraction tools: [0003] 1. During steam injection and oil pumping, the medium passes through the inner hole of the pump barrel. During steam injection, it is easy to scale on the inner wall, which will hinder the lowering of the plunger, or shorten the life of the sealed working cylinder, and even cause accidents such as stuck pump and shutdown; [0004] 2. When pumping oil, solid impurities such as sand particles in the oil liquid will easily fall into the inside of the pump barrel, causing sand grindi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B47/00F04B53/14F04B53/16F04B53/10F04B53/22E21B43/24E21B34/14
CPCE21B34/14E21B43/24F04B47/00F04B53/1002F04B53/14F04B53/162F04B53/22
Inventor 张志超吕红江童永东冯俊楠李斌谷长岳
Owner KARAMAY SHENGLI PLATEAU MACHINERY CO LTD
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