阅读说明：本技术 一种适用于粒子钻井的高压粒子输送集成系统 (High-pressure particle conveying integrated system suitable for particle drilling ) 是由 姚建林 黄伟 张伟 李伟成 刘彬 余晟 冯明 周刚 姚坤鹏 吕治军 郑凯中 于 2021-07-09 设计创作，主要内容包括：本发明提供一种适用于粒子钻井的高压粒子输送集成系统,包括：控制单元；物料存储装置,用于存储钻井液与粒子的混合液体；液压粒子注入装置,所述液压粒子注入装置分别与所述控制单元和所述物料存储装置连接；还包括检测调节装置以及密封闸阀；所述密封闸阀包括闸阀本体、闸座、闸板、两块闸板护板,所述闸座、闸板和闸板护板均所述设置在所述闸阀本体内,且所述闸座和所述闸板护板均与所述闸阀本体之间设有弹性件,所述密封闸阀在关闭状态时,所述闸板与所述两块闸板护板贴合接触,且使各所述弹性件处于压缩状态。本方案能够提高设备使用寿命,并且,具有设备自动化程度高,粒子钻井液混合均匀等优点。(The invention provides a high-pressure particle conveying integrated system suitable for particle drilling, which comprises: a control unit; the material storage device is used for storing mixed liquid of the drilling fluid and the particles; the hydraulic particle injection device is respectively connected with the control unit and the material storage device; the device also comprises a detection and adjustment device and a sealing gate valve; sealing gate valve includes gate valve body, gate seat, flashboard, two flashboard backplate, gate seat, flashboard and flashboard backplate are all the setting is in this is internal to the gate valve, just the gate seat with the flashboard backplate all with be equipped with the elastic component between the gate valve body, sealing gate valve is when the closed condition, the flashboard with two flashboard backplate laminating contacts, and makes each the elastic component is in compression state. This scheme can improve equipment life to, it is high to have equipment degree of automation, advantages such as particle drilling fluid misce bene.)

1. A high pressure particle transport integrated system suitable for particle drilling, comprising:

a control unit;

the material storage device is used for storing mixed liquid of the drilling fluid and the particles;

the hydraulic particle injection device is respectively connected with the control unit and the material storage device;

the monitoring and adjusting device is respectively connected with the control unit and the material storage device, and is used for monitoring state parameters of mixed liquid in the material storage device and sending the state parameters to the control unit;

the sealing gate valve is connected with the control unit and is connected with the material storage device through a pipeline; the control unit sends a control instruction to the sealing gate valve according to the state parameter;

the sealing gate valve comprises a gate valve body, a gate seat, a gate plate and two gate plate protection plates, wherein the gate seat is provided with the gate plate and the gate plate protection plates, the gate plate and the gate plate protection plates are arranged in the gate valve body, elastic pieces are arranged between the gate valve body and the gate seat, the gate plate is in contact with the two gate plate protection plates in a laminating mode, and the elastic pieces are in a compression state.

2. The integrated system of claim 1, wherein the head end of the ram and the head end of the ram guard are each provided with a guide ramp;

when the sealing gate valve is in a closed state, the head end of the gate plate and the head end of the gate plate protection plate are in fit contact with each other through the guide slope.

3. The integrated system of claim 1, wherein the detection and adjustment device comprises a level monitor mounted on the material storage device for monitoring a level of mixed liquid within the material storage device.

4. The integrated system of claim 1, wherein the sensing and regulating device further comprises a fluid check coupled to the material storage device for preventing mixed fluid delivered by the material storage device from flowing back to the material storage device.

5. The integrated system of claim 1, wherein the detection and conditioning device further comprises an anti-settling component coupled to the material storage device that prevents the particles from settling within the material storage device.

6. The integrated system of claim 5, wherein the anti-settling assembly comprises a drive, a fluidic conduit coupled to the drive, the fluidic conduit coupled to the material storage device.

7. The integrated system of claim 6, wherein the fluidic circuit comprises a side fluidic pipe connected to a sidewall of the material storage device.

8. The integrated system of claim 6 or 7, wherein the fluidic circuit comprises a floor fluidic pipe connected to a floor of the material storage device.

9. The integrated system of claim 1, wherein the control unit comprises a PLC controller, a fluid parameter acquisition module connected to the PLC controller, and a hydraulic control valve block connected to the PLC controller.

10. The integrated system of claim 9, wherein the control unit further comprises a soft starter.

Technical Field

The invention relates to the technical field of oil and gas drilling engineering, in particular to a high-pressure particle conveying integrated system suitable for particle drilling.

Background

In recent years, the particle impact drilling technique, which is a drilling technique for assisting in breaking a deep hard formation and strongly grinding the formation by injecting spherical steel particles having a diameter of 1 to 3mm into the bottom of a well, has been widely used as a revolutionary acceleration technique.

However, the existing particle drilling technology has low automation degree, and the conditions that particles are precipitated or the mixed liquid exceeds a normal range and the like often occur in the mixed liquid in the material storage device; in addition, in the closing process of the sealing gate valve, particles and impurities easily enter a cavity of the sealing gate valve through a channel formed by the gate plate hole and the valve body, accumulation and blocks are formed, the sealing gate valve cannot be closed, the safe operation of a system is affected, and the drilling effect is reduced.

Therefore, how to improve the particle drilling effect is a problem to be solved at present.

Disclosure of Invention

The invention aims to provide a high-pressure particle conveying integrated system suitable for particle drilling, which improves the particle drilling effect and ensures the safe operation of the system.

The invention provides a high-pressure particle conveying integrated system suitable for particle drilling, which comprises:

a control unit;

the material storage device is used for storing mixed liquid of the drilling fluid and the particles;

the hydraulic particle injection device is respectively connected with the control unit and the material storage device;

the monitoring and adjusting device is respectively connected with the control unit and the material storage device, and is used for monitoring state parameters of mixed liquid in the material storage device and sending the state parameters to the control unit;

the sealing gate valve is connected with the control unit and is connected with the material storage device through a pipeline; the control unit sends a control instruction to the sealing gate valve according to the state parameter;

the sealing gate valve comprises a gate valve body, a gate seat, a gate plate and two gate plate protection plates, wherein the gate seat is provided with the gate plate and the gate plate protection plates, the gate plate and the gate plate protection plates are arranged in the gate valve body, elastic pieces are arranged between the gate valve body and the gate seat, the gate plate is in contact with the two gate plate protection plates in a laminating mode, and the elastic pieces are in a compression state.

As a preferred technical scheme, the head end of the gate plate and the head end of the gate plate protection plate are both provided with a guide slope; when the sealing gate valve is in a closed state, the head end of the gate plate and the head end of the gate plate protection plate are in fit contact with each other through the guide slope. Because be equipped with the elastic component between flashboard backplate and the gate valve body, when sealing gate valve was in the open mode, the elastic component was in the non-compression state for the distance between two flashboard backplate is slightly less than the thickness of flashboard. Consequently, set up the direction landslide and can make between two flashboard backplate of the better crowded income of flashboard at flashboard head end and flashboard backplate head end, when sealing gate valve closed, the flashboard motion, flashboard and two flashboard backplate just can effectually closely laminate, and the flashboard hole seals in gate seat, flashboard backplate, forms interior confined sealing gate valve sealing mode, and the particle of effectual solution and other impurity get into the flashboard cavity through the flashboard hole and form the problem of piling up and caking. Typically, the resilient member is a spring.

As a preferred technical solution, the detecting and adjusting device includes a liquid level monitor, and the liquid level monitor is installed on the material storage device and is used for monitoring the liquid level height of the mixed liquid in the material storage device. The mixed liquid level in the material storage device is in a safe and reasonable range, and the system operation is guaranteed.

As a preferable technical scheme, the detection and adjustment device further comprises a flow controller, and the flow controller is connected with the material storage device through a pipeline and is used for changing the flow passage section of the drilling fluid in the pipeline. And adjusting the flow in the pipeline flowing to the material storage device, thereby adjusting the liquid level height in the material storage device.

As a preferable technical scheme, the detection and adjustment device further comprises a fluid isolator, and the fluid isolator is connected with the material storage device and used for preventing the mixed fluid conveyed by the material storage device from reversely flowing back to the material storage device.

As a preferred technical solution, the detection and adjustment device further comprises a sedimentation prevention assembly, and the sedimentation prevention assembly is connected with the material storage device to prevent the particles from settling in the material storage device. The particles and the drilling fluid are mixed uniformly.

Preferably, the sedimentation prevention assembly comprises a driver and a jet pipeline connected with the driver, and the jet pipeline is connected with the material storage device.

As a preferred technical scheme, the jet pipeline comprises a side jet pipe, and the side jet pipe is connected with the side wall of the material storage device. Preferably, the side jet pipe and the side wall of the material storage device form an included angle of 45-60 degrees, so that the mixed liquid can rotate and flow in the material storage device, and the mixture is stirred in a swinging mode when the reversing device in the material storage device is reversed, the drilling fluid and the particles are uniformly mixed, and the particles are prevented from settling.

As a preferred technical scheme, the jet pipeline comprises a bottom surface jet pipe, and the bottom surface jet pipe is connected with the bottom surface of the material storage device. The jet flow at the bottom continuously washes the mixture of the drilling fluid and the particles upwards to drive the mixture to turn upwards, so that the mixed fluid flows in the tank in a rotating way, and the mixture is stirred in a swinging way when the reversing device in the material storage device is reversed, so that the drilling fluid and the particles are uniformly mixed, and the particles are prevented from precipitating.

As a preferred technical scheme, the control unit comprises a PLC controller, a liquid parameter acquisition module connected with the PLC controller, and a hydraulic control valve block connected with the PLC controller.

As a preferred technical solution, the control unit further includes a soft starter.

To sum up, this system effectively prevents the particle precipitation through increasing and detects adjusting device, makes particle and drilling fluid homogeneous mixing, simultaneously, can monitor the liquid level height of mixed liquid in the material storage device avoids the mixed liquid overflow. And, when sealing gate valve closed, the flashboard motion, flashboard and two flashboard backplate can effectually closely laminate, and the flashboard hole seals in gate seat, flashboard backplate, forms interior confined sealing gate valve sealing mode, and effectual solution particle and other impurity get into the flashboard cavity through the flashboard hole and form the problem of piling up and caking. And a remote automatic control concept is introduced, so that the liquid level of the material tank storage device can be automatically controlled, the environmental protection risk is reduced, the service life of equipment is prolonged, and the device has the advantages of high automation degree of the equipment, uniform mixing of particle drilling fluid and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram of a high pressure particle delivery integrated system according to a first embodiment of the present invention;

FIG. 2 is a schematic view of a sealing gate valve according to a first embodiment of the present invention in a closed state;

icon: 1-control unit, 2-hydraulic particle injection device, 3-material storage device, 4-liquid level monitor, 5-anti-precipitation component, 6-flow controller, 7-fluid isolator, 8-gate valve body, 9-gate seat, 10-gate plate and 11-gate plate guard plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1 and fig. 2, the present embodiment provides a high-pressure particle transportation integrated system suitable for particle drilling, so as to improve the particle drilling effect.

The integrated system includes:

a control unit 1;

the material storage device 3 is used for storing mixed liquid of the drilling fluid and the particles;

the hydraulic particle injection device 2 is connected with the control unit 1 and the material storage device 3 respectively;

the detection and adjustment device is respectively connected with the control unit 1 and the material storage device 3, and is used for monitoring state parameters of mixed liquid in the material storage device 3 and sending the state parameters to the control unit 1;

the sealing gate valve is connected with the control unit 1 and is connected with the material storage device 3; the control unit 1 sends a control instruction to the sealing gate valve according to the state parameter; sealing gate valve includes gate valve body 8, gate seat 9, flashboard 10, two flashboard backplate 11, gate seat 9 the flashboard 10 with flashboard backplate 11 is all the setting is in the gate valve body 8, just gate seat 9 with flashboard backplate 10 all with be equipped with the elastic component between the gate valve body 8, sealing gate valve is when the closed condition, flashboard 10 with two flashboard backplate 11 laminating contacts, and makes each the elastic component is in compression state.

In one embodiment, the head end of the shutter plate 10 and the head end of the shutter plate cover 11 are provided with guide slopes;

when the sealing gate valve is in a closed state, the head end of the gate plate 10 and the head end of the gate plate protection plate 11 start to be attached and contacted through the guide slope. Because be equipped with the elastic component between flashboard backplate 11 and the gate valve body 8, it is common, the elastic component can be the spring, and when sealing gate valve was in the open mode, the elastic component was in the non-compression state for the distance between two flashboard backplate 11 slightly is less than the thickness of flashboard 10. Consequently, set up the direction landslide at flashboard 10 head end and 11 head ends of flashboard backplate, the direction landslide can make between two flashboard backplate 11 of the better crowded income of flashboard 10, when sealing gate valve closes, flashboard 10 motion, flashboard 10 just can effectually closely laminate with two flashboard backplate 11, the flashboard hole seals in gate seat 9, flashboard backplate 11, the sealed gate valve sealing means of interior confined forms, effectual solution particle and other impurity get into the flashboard cavity through the flashboard hole and form the problem of piling up and caking.

This system effectively prevents the particle through increasing and detects adjusting device, makes particle and drilling fluid homogeneous mixing, simultaneously, can monitor the liquid level height of mixed liquid in the material storage device 3 avoids the mixed liquid overflow. And, when sealing gate valve closed, flashboard 10 moved, and flashboard 10 can effectually closely laminate with two flashboard backplate 11, and the flashboard hole seals in gate seat 9, flashboard backplate 11, forms interior confined sealing gate valve sealing mode, and effectual solution particle and other impurity get into the flashboard cavity through the flashboard hole and form the problem of piling up and caking. The integrated system introduces a remote automatic control concept, can prolong the service life of equipment, and has the advantages of high automation degree of the equipment, uniform mixing of particle drilling fluid and the like.

In order to facilitate understanding and implementation of the features of the detection and adjustment device and the control unit 1, the present embodiment exemplifies the features, but it should be noted that the protection scope of the present embodiment includes, but is not limited to, the following embodiments, and other embodiments having the same effects also belong to the protection scope of the present embodiment.

The detection and regulation device comprises a liquid level monitor 4, wherein the liquid level monitor 4 is installed on the material storage device 3 and is used for monitoring the liquid level height of mixed liquid in the material storage device 3. The mixed liquid level in the material storage device 3 is in a safe and reasonable range, and the system operation is guaranteed.

Further, as a preferred embodiment, the detection and adjustment device further includes a flow controller 6, and the flow controller 6 is connected to the material storage device 3 through a pipeline and is used for changing the flow rate of the drilling fluid in the pipeline. The flow in the pipeline towards the material storage device 3 is adjusted, so that the liquid level height in the material storage device 3 is adjusted.

In addition, the detection and adjustment device further comprises a fluid isolator 7, wherein the fluid isolator 7 is connected with the material storage device 3 and is used for preventing the mixed liquid conveyed by the material storage device 3 from reversely flowing back to the material storage device 3.

It is worth mentioning that the detection and adjustment device further comprises an anti-precipitation assembly 5, wherein the anti-precipitation assembly 5 is connected with the material storage device 3, so that the particles are prevented from precipitating in the material storage device 3, and the particles and the drilling fluid are uniformly mixed.

Specifically, the anti-settling assembly 5 comprises a driver and a jet pipeline connected with the driver, and the jet pipeline is connected with the material storage device 3.

One way of achieving this is that the jet line comprises a side jet pipe, which is connected to the side wall of the material storage device 3. The side jet pipe and the side wall of the material storage device form an included angle of 45-60 degrees preferably, so that the mixed liquid can rotate and flow in the material storage device 3, and the mixed liquid can swing and stir the mixture when being combined with a reversing device in the material storage device 3 to uniformly mix drilling fluid and particles and prevent the particles from settling.

In another implementation, the jet pipeline includes a bottom jet pipe, and the bottom jet pipe is connected to the bottom surface of the material storage device 3. The jet flow at the bottom continuously washes the mixture of the drilling fluid and the particles upwards to drive the mixture to turn upwards, so that the mixed fluid flows in the tank in a rotating manner, and the mixture is stirred in a swinging manner when the reversing device in the material storage device 3 reverses, so that the drilling fluid and the particles are uniformly mixed, and the particles are prevented from precipitating.

It should be noted that the bottom surface jet pipe and the side surface jet pipe may be arranged simultaneously or separately.

The control unit 1 comprises a PLC controller, a liquid parameter acquisition module connected with the PLC controller, and a hydraulic control valve block connected with the PLC controller.

The control unit 1 further comprises a soft starter.

To sum up, this system effectively prevents the particle precipitation through increasing and detects adjusting device, makes particle and drilling fluid homogeneous mixing, simultaneously, can monitor the liquid level height of mixed liquid in the material storage device 3 avoids the mixed liquid overflow. The integration system introduces a remote automatic control concept, so that the liquid level of the material tank storage device can be automatically controlled, the environmental protection risk is reduced, the service life of equipment is prolonged, and the integration system has the advantages of high automation degree of the equipment, uniform mixing of particle drilling fluid and the like.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.