Gas drilling solid injection machine

A technology of gas drilling and injectors, which is applied in earthwork drilling, wellbore/well components, packaging, etc., and can solve problems such as clogging

Inactive Publication Date: 2015-05-27
CNPC BOHAI DRILLING ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to effectively solve the clogging problem of solid material injection in high-pressure gas, the invention provides a gas drilling solid injection machine, which can not only ensure the smooth injection of solid material into high-pressure gas, but also realize the quantitative delivery of materials

Method used

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Embodiment Construction

[0012] The gas drilling solid injection machine of the present invention will be described in detail below with reference to the accompanying drawings.

[0013] Such as figure 1 As shown, a solid injection machine for gas drilling, the main body is a solid injection tank 6 whose bottom is connected to the high-pressure main gas pipeline 2 through a connecting pipe 25. The solid injection tank 6 relies on the bottom skid 1, legs 4 and surrounding The set frame 7 maintains a vertical arrangement; the upper side is provided with a manhole 14, a pressure gauge port 16, a pressure relief port 15 and a safety valve port 8; the manhole 14 is also the lower entrance of the material; the top of the solid injection tank 6 is also fixedly connected with The support platform 9 is fixed with a variable frequency motor 13; the stirring shaft 18 and the screw blade shaft 23 are threaded and run through the solid injection tank 6 in a longitudinal direction; the upper end of the stirring shaf...

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PUM

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Abstract

The invention discloses a gas drilling solid injection machine, which comprises a solid injection tank, gasification cloth and a pressure balance pipe, wherein the solid injection tank is in vertical arrangement, the bottom of the solid injection tank is connected with a high-pressure main gas pipeline through a connecting pipe, the upper side of the solid injection tank is provided with a manhole, a pressure meter opening, a pressure relief opening and a safety valve opening, a stirring shaft and a helical blade shaft which are connected into a whole are arranged along the longitudinal of the solid injection tank, the top end of the stirring shaft is connected with a variable frequency motor, a stirring branch is welded at the side surface of the stirring shaft, the helical blade shaft axially extends to the inside of the connecting pipe, helical blades are welded around the helical blade shaft, a connecting part of the helical blade shaft and the stirring shaft is provided with a hanging bearing, a bearing support frame is arranged in the vertical direction of the hanging bearing, the lower side of the bearing support frame is provided with a conical gasification cloth framework covered by the gasification cloth, and the pressure balance pipe with an opening positioned at the lower side of the gasification cloth is also arranged between the solid injection tank and the high-pressure main gas pipeline. The gas drilling solid injection machine has the advantages that the smooth injection of solid materials into high-pressure gas can be ensured, and the quantitative conveying of materials can also be realized.

Description

technical field [0001] The invention relates to a tool used in the technical field of gas drilling engineering in the petroleum and natural gas industry, in particular to a gas drilling solid injector. Background technique [0002] As most oil and gas fields enter the later stage of development, the discovery and protection of oil and gas reservoirs are becoming more and more important. Gas drilling has the advantages of protecting oil and gas reservoirs and increasing speed, so it is increasingly widely used. During gas drilling, formation water production is a common and serious problem. In order to solve the problem of formation water, it is necessary to inject chemical agents such as water-carrying agent and water blocking agent into the wellbore, which is a material transportation problem. Although patents CN201650251 and CN 203559830 respectively disclose a solid injection device for gas drilling, through the pressure balance and pressure difference technology, the ma...

Claims

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Application Information

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IPC IPC(8): E21B33/13B65D88/68B65D88/72
CPCE21B33/13B65D88/68B65D88/72
Inventor 李征马金山齐金涛郑燕阳魏臣兴魏凯刘刚栾家翠文雄兵
Owner CNPC BOHAI DRILLING ENG
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