CN113266323A - Intelligent layered injection equipment and method for oil field - Google Patents

Abstract

The invention relates to layered injection equipment, in particular to intelligent layered injection equipment and a method for an oil field, wherein the intelligent layered injection equipment comprises a packing mechanism, a water injection pipeline, a gas supply pipeline, a connecting mechanism I and a connecting mechanism II, and the intelligent layered injection method for the oil field comprises the following steps: s1: the oil wells are sealed through a plurality of sealing mechanisms so as to stratify the oil wells; s2: injecting air pressure into the plurality of packing mechanisms through the plurality of air supply pipelines, and increasing the packing pressure of the plurality of packing mechanisms on the oil well; s3: injecting water into the oil wells layered by the packing mechanisms through a plurality of water injection pipelines to increase the pressure in the oil wells; s4: the telescopic mechanism is started, the telescopic end of the telescopic mechanism drives the packing sleeve to move, the packing sleeve drives the corresponding packing mechanism to move, the position of the packing mechanism is adjusted, and the position of the packing mechanism can not be adjusted under the condition of keeping pressure after pressurization and packing.

Description

Intelligent layered injection equipment and method for oil field

Technical Field

The invention relates to layered injection equipment, in particular to intelligent layered injection equipment and method for an oil field.

Background

In the prior art, a non-contact charging method for an oil field underground intelligent water distributor comprises the following specific implementation steps: the method applies the wireless power transmission principle, and is provided with a charging system comprising: the power supply, the energy conversion module, the electric energy transmitter, the electric energy receiver, the rectification and charging control circuit and the rechargeable battery super capacitor are positioned on the ground; the invention not only solves the problem that the cost is greatly increased due to the existence of the cable in the cable type intelligent water distribution and injection process, but also overcomes the defect of insufficient battery power in the cable-free process, and compared with the existing mechanical transmission control valve, the invention has the advantages of simpler mode, easier operation, time saving and labor saving; the introduction of super-capacitors also enables the technology to be suitable for short-time rapid charging; the water distributor in the prior art cannot adjust the position of the packing mechanism under the condition of keeping pressure after pressurization and packing.

Disclosure of Invention

The invention aims to provide intelligent layered injection equipment and method for an oil field, which can adjust the position of a packing mechanism under the condition that the pressure cannot be maintained after pressurization and packing.

The purpose of the invention is realized by the following technical scheme:

an intelligent layered injection device for oil field comprises a packing mechanism, a water injection pipeline, a gas supply pipeline, a connecting mechanism I and a connecting mechanism II, wherein the packing mechanism comprises two packing supports, a packing sleeve, a packing water pipe, a packing gas pipe, a telescopic mechanism, two pulling side plates and a rotating baffle plate, the packing support is fixedly connected with the packing water pipe between the two packing supports, the packing gas pipe is fixedly connected with the two packing supports, the middle parts of the two packing gas pipes are flexible pipes which can stretch out and draw back, the telescopic mechanism is fixedly connected with the two packing supports, the pulling side plates are fixedly connected with the telescopic sections of the two telescopic mechanisms, the two pulling side plates are slidably connected with the packing water pipe, the packing sleeve is fixedly connected between the two pulling side plates, the inner sides of the two packing gas pipes are respectively and fixedly connected with the two pulling side plates, the inner sides of the two pulling side plates are rotatably connected with rotating baffles, air holes are formed in the two rotating baffles, the inner sides of the two air sealing and isolating pipes are respectively abutted against the two rotating baffles, and power devices for driving the rotating baffles to rotate are arranged on the rotating baffles;

the water injection pipeline comprises a water injection sliding pipe, water injection connecting pipes, a water outlet pipeline and a one-way mechanism, wherein the two ends of the water sliding pipe are respectively connected with the water injection connecting pipes in a sliding manner, compression springs I are respectively and fixedly connected between the two water injection connecting pipes and the water sliding pipe, the water outlet pipeline is arranged on the water sliding pipe, a valve is arranged on the water outlet pipeline, the one-way mechanism is arranged in the water outlet pipeline, a plurality of packing mechanisms are arranged, the water injection pipeline is respectively connected between two adjacent packing mechanisms, the outer ends of the two water injection connecting pipes are respectively detachably and fixedly connected to the two adjacent packing water pipes, the water injection pipeline is connected to the packing mechanism at the end part, the water injection pipeline can be detachably and fixedly connected to the two packing water pipes at the two ends, and the valve is arranged on the water injection connecting pipe;

the air supply pipeline comprises an air supply sliding pipe and an air supply connecting pipe, the two ends of the air supply sliding pipe are both connected with the air supply connecting pipe in a sliding mode, a compression spring II is fixedly connected between the two air supply connecting pipes and the air supply sliding pipe, the air supply pipeline is connected between two adjacent packing mechanisms, and the outer ends of the two air supply connecting pipes are respectively detachably and fixedly connected to the two adjacent packing air pipes;

the connecting mechanism I comprises a connecting support I, sliding groove bodies, jacks and electromagnet plates, wherein the connecting support I is fixedly connected with four sliding groove bodies, each sliding groove body is provided with a plurality of jacks, and each sliding groove body is fixedly connected with an electromagnet plate;

coupling mechanism II includes linking bridge II, sliding bottom plate and insert the nail, four sliding bottom plates of fixedly connected with on linking bridge II, four sliding bottom plate difference sliding connection are on four slip cell bodies, equal sliding connection has the nail of inserting on four sliding bottom plates, fixedly connected with compression spring III between insert nail and the sliding bottom plate, insert the adsorbable on the electromagnetism board of nail, all be connected with coupling mechanism I and coupling mechanism II between two adjacent packing mechanisms, I fixed connection of linking bridge is on the corresponding packing support, II fixed connection of linking bridge are on the corresponding packing support.

A method for intelligent layered injection of an oil field comprises the following steps:

s1: the oil wells are sealed through a plurality of sealing mechanisms so as to stratify the oil wells;

s2: injecting air pressure into the plurality of packing mechanisms through the plurality of air supply pipelines, and increasing the packing pressure of the plurality of packing mechanisms on the oil well;

s3: injecting water into the oil wells layered by the packing mechanisms through a plurality of water injection pipelines to increase the pressure in the oil wells;

s4: and starting the telescopic mechanism, driving the packing sleeve to move by the telescopic end of the telescopic mechanism, driving the corresponding packing mechanism to move by the packing sleeve, and adjusting the position of the packing mechanism.

The intelligent layered injection equipment and method for the oil field have the beneficial effects that:

the invention relates to an intelligent layered injection device and method for an oil field, which can seal an oil well through a plurality of sealing mechanisms so as to layer the oil well; injecting air pressure into the plurality of packing mechanisms through the plurality of air supply pipelines, and increasing the packing pressure of the plurality of packing mechanisms on the oil well; injecting water into the oil wells layered by the packing mechanisms through a plurality of water injection pipelines to increase the pressure in the oil wells; starting the telescopic mechanism, wherein a telescopic end of the telescopic mechanism drives the packing sleeve to move, and the packing sleeve drives the corresponding packing mechanism to move so as to adjust the position of the packing mechanism; the position of the packing mechanism may not be adjusted with the pressure maintained after the pressure packing.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the packing mechanism of the present invention;

FIG. 2 is a first schematic sectional view of the packing mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of the packing mechanism of the present invention;

FIG. 4 is a first schematic view of the internal structure of the packing mechanism of the present invention;

FIG. 5 is a second schematic view of the internal structure of the packing mechanism of the present invention;

FIG. 6 is a first schematic view of the connection structure of the packing mechanism, the water injection pipeline and the gas supply pipeline of the present invention;

FIG. 7 is a second schematic view of the connection structure of the packing mechanism, the water injection pipeline and the gas supply pipeline of the present invention;

FIG. 8 is a schematic view of the water injection line of the present invention;

FIG. 9 is a schematic view of the gas supply duct configuration of the present invention;

FIG. 10 is a schematic view of the connection structure of the connection mechanism I and the connection mechanism II of the present invention;

FIG. 11 is a schematic structural view of a connecting mechanism I of the present invention;

fig. 12 is a schematic structural diagram of the connecting mechanism II of the invention.

In the figure:

a packing support 11;

a packing sleeve 12;

a packing water pipe 13;

an air-tight tube 14;

a telescoping mechanism 15;

pulling the side plate 16;

the rotating baffle 17;

a water injection sliding pipe 21;

a water injection connecting pipe 22;

an outlet conduit 23;

a one-way mechanism 24;

a gas supply sliding pipe 31;

a gas supply connection pipe 32;

a connecting bracket I41;

a slide groove body 42;

an insertion hole 43;

an electromagnet plate 44;

a connecting bracket II 51;

a slide base plate 52;

the plug pins 53.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment is described below with reference to fig. 1 to 12, an intelligent layered injection device for oil field comprises a packing mechanism, a water injection pipeline, a gas supply pipeline, a connection mechanism i and a connection mechanism ii, the packing mechanism comprises two packing supports 11, a packing sleeve 12, a packing water pipe 13, a packing gas pipe 14, a telescopic mechanism 15, a pulling side plate 16 and a rotary baffle 17, the number of the packing supports 11 is two, the packing water pipe 13 is fixedly connected between the two packing supports 11, the packing gas pipe 14 is fixedly connected on each of the two packing supports 11, the middle parts of the two packing gas pipes 14 are flexible pipes capable of stretching, the telescopic mechanisms 15 are fixedly connected on the two packing supports 11, the pulling side plates 16 are fixedly connected on the telescopic sections of the two telescopic mechanisms 15, the two pulling side plates 16 are slidably connected on the packing water pipe 13, the packing sleeve 12 is fixedly connected between the two pulling side plates 16, the packing sleeve 12 is positioned between the two packing brackets 11, the inner sides of the two packing air pipes 14 are respectively and fixedly connected to the two pulling side plates 16, the inner sides of the two pulling side plates 16 are respectively and rotatably connected with a rotating baffle plate 17, the two rotating baffle plates 17 are respectively provided with an air hole, the inner sides of the two packing air pipes 14 are respectively abutted against the two rotating baffle plates 17, and the rotating baffle plates 17 are provided with power devices for driving the rotating baffle plates to rotate;

when the device is used, a device formed by connecting a plurality of packing mechanisms, a plurality of water injection pipelines, a plurality of gas supply pipelines, a plurality of connecting mechanisms I and a plurality of connecting mechanisms II is sent to a specified position in an oil well, the number of the packing mechanisms, the number of the water injection pipelines, the number of the gas supply pipelines, the number of the connecting mechanisms I and the number of the connecting mechanisms II are set according to the number of layers of the oil well, wherein the oil well is divided into three parts, the number of the packing mechanisms is two, the number of the water injection pipelines is three, the number of the gas supply pipelines is one, the number of the connecting mechanisms I is one, the number of the connecting mechanisms II is one, after the device is sent to the specified position, an air outlet pipe of an air pump is connected to a packing air pipe 14 of an upper packing mechanism in advance, the air pump is started, external air is sucked into the packing air pipe 14 when the air pump is started, the packing air pipe 14 is as shown, the air pressure in the two pulling side plates 16 is increased, the packing sleeve 12 is preferably made of elastic materials, the packing sleeve 12 can be made of rubber, the packing sleeve 12 is extruded by the air pressure to expand outwards, and the packing sleeve 12 is pressed against the inner wall of the oil well for packing;

after the packing is finished, when the packing mechanism needs to be moved, the telescopic mechanism 15 is started, the telescopic end of the telescopic mechanism 15 moves, the telescopic mechanism 15 can be a hydraulic cylinder or an electric push rod, the two telescopic mechanisms 15 move together, the telescopic ends of the two telescopic mechanisms 15 respectively pull the corresponding pulling side plates 16 to move, so that the two pulling side plates 16 slide on the packing water pipe 13, the two pulling side plates 16 can move together in one direction, the two pulling side plates 16 can also be close to or far away from each other, when the two pulling side plates 16 move in one direction, the two pulling side plates 16 pull the packing sleeve 12 and move, the packing sleeve 12 moves on the inner wall of the oil well, the packing mechanism is driven to move, and the packing sleeve 12 is always in contact with the inner wall of the oil well under the pressure in the moving process, the packing of the oil well is further ensured, so that the packing mechanism can be moved after the oil well is pressurized, different use requirements are met, and the pressure can be ensured to be unchanged; when the two pulling side plates 16 move in different directions, the two pulling side plates 16 pull the packing sleeve 12 to expand or contract, so that the expansion degree of the packing sleeve 12 is adjusted, further more use requirements are met, and oil wells with different diameters are packed by matching gas pressure;

the water injection pipeline comprises a water injection sliding pipe 21, water injection connecting pipes 22, a water outlet pipeline 23 and a one-way mechanism 24, the two ends of the water sliding pipe 21 are all connected with the water injection connecting pipes 22 in a sliding mode, compression springs I are fixedly connected between the two water injection connecting pipes 22 and the water sliding pipe 21, the water outlet pipeline 23 is arranged on the water sliding pipe 21, a valve is arranged on the water outlet pipeline 23, the one-way mechanism 24 is arranged in the water outlet pipeline 23, a plurality of packing mechanisms are arranged, the water injection pipeline is connected between two adjacent packing mechanisms, the outer ends of the two water injection connecting pipes 22 are respectively detachably and fixedly connected to the two adjacent packing water pipes 13, the water injection pipeline is connected to the packing mechanism at the end part, the water injection pipeline can be detachably and fixedly connected to the two packing water pipes 13 at the two ends, and the valve is arranged on the water injection connecting pipe 22;

the two packing mechanisms pack the oil well into an upper layer, a middle layer and a lower layer, three water injection pipelines are arranged, the three water injection pipelines are respectively arranged in the upper layer, the middle layer and the lower layer, when the upper layer, the middle layer and the lower layer are required to be injected with water and pressurized, the water pipes are connected to the water injection connecting pipe 22 positioned at the uppermost side in advance, a water pump is connected to the water pipes, when the water pump is started, external water can be pumped into the water connecting pipe 22, a valve is arranged in the water connecting pipe 22, the valve can be an electromagnetic valve, the closing of the water connecting pipe 22 is mainly controlled, the valve on each water connecting pipe 22 is opened, the three water injection pipelines are communicated with the two packing mechanisms, but the valve of the water connecting pipe 22 positioned at the lowermost side is closed, the water is prevented from flowing out through a control device, the water injection connecting pipe 22 is connected with the packing water pipe 13, the water injection connecting pipe 22 is connected with the water injection sliding pipe 21, the water pump pumps water into the three water injection sliding pipes 21, the water injection sliding pipe 21 is provided with water outlet pipes 23, the three water outlet pipes 23 are respectively positioned in an upper layer, a middle layer and a lower layer, when water injection pressurization needs to be carried out in one oil layer, the corresponding water outlet pipe 23 is opened and provided with a valve, wherein the valve can be an electromagnetic valve and mainly controls the closing of the water outlet pipe 23, the water outlet pipe 23 carries out water injection pressurization on the corresponding oil layer, and the water injection sliding pipe is further provided with a one-way mechanism 24, the one-way mechanism 24 controls water to flow out from the water outlet pipe 23, so that external substances are prevented from flowing into the water outlet pipe 23;

the air supply pipeline comprises an air supply sliding pipe 31 and an air supply connecting pipe 32, the two ends of the air supply sliding pipe 31 are both connected with the air supply connecting pipe 32 in a sliding manner, a compression spring II is fixedly connected between the two air supply connecting pipes 32 and the air supply sliding pipe 31, the air supply pipeline is connected between two adjacent packing mechanisms, and the outer ends of the two air supply connecting pipes 32 are respectively detachably and fixedly connected to the two adjacent packing air pipes 14;

further, in order to make both the packing mechanisms to pack the oil well, an air supply pipeline is provided, the air supply pipeline connects the two packing mechanisms, as shown in fig. 9, when the position of the packing mechanism changes, the air supply pipeline and the water injection pipeline can correspondingly stretch, two air supply connecting pipes 32 can be respectively and fixedly connected to the two packing air pipes 14 in a detachable manner, when the packing air pipe 14 on the upper side inflates the packing mechanism, a power device for driving the rotating baffle 17 to rotate is arranged on the rotating baffle 17, the power device is started, the power device can be a motor, preferably, the power device is a servo motor, the output shaft of the power device is in transmission connection with the rotating baffle 17, when the output shaft of the power device rotates, the corresponding rotating baffle 17 is controlled to rotate, when the rotating baffle 17 rotates, the vent hole on the rotating baffle 17 is driven to move, when the vent hole and the packing air pipe 14 are overlapped, the packing air-isolating pipe 14 is communicated with the two pulling side plates 16, when the vent hole and the packing air-isolating pipe 14 are staggered, the baffle plate 17 is rotated to block the packing air-isolating pipe 14, so that the packing air-isolating pipe 14 is closed, two packing mechanisms are arranged, when one air supply pipeline is arranged, the power device positioned at the lowest side of the device is started, the packing air-isolating pipe 14 at the lowest side is closed, other packing air-isolating pipes 14 are communicated with the interiors of the two pulling side plates 16, and meanwhile, the two packing mechanisms are communicated through the air supply pipeline, so that when one packing mechanism is inflated, the two packing mechanisms are communicated and are packed together;

the connecting mechanism I comprises a connecting support I41, sliding groove bodies 42, inserting holes 43 and an electromagnet plate 44, wherein the connecting support I41 is fixedly connected with four sliding groove bodies 42, each sliding groove body 42 is provided with a plurality of inserting holes 43, and each sliding groove body 42 is fixedly connected with the electromagnet plate 44;

the connecting mechanism II comprises a connecting support II 51, sliding bottom plates 52 and inserting nails 53, four sliding bottom plates 52 are fixedly connected to the connecting support II 51, the four sliding bottom plates 52 are respectively and slidably connected to the four sliding groove bodies 42, the inserting nails 53 are all slidably connected to the four sliding bottom plates 52, compression springs III are fixedly connected between the inserting nails 53 and the sliding bottom plates 52, the inserting nails 53 can be adsorbed on the electromagnet plate 44, the connecting mechanism I and the connecting mechanism II are respectively connected between two adjacent packing mechanisms, the connecting support I41 is fixedly connected to the corresponding packing support 11, and the connecting support II 51 is fixedly connected to the corresponding packing support 11;

furthermore, because the gas supply pipeline and the water injection pipeline both adopt a telescopic structure, the telescopic structure is used for matching the movement of the packing mechanism, but when the device is lowered or the packing mechanism does not need to move, the position of the device needs to be supported hard, and the length of the device needs not to be changed, but when the packing mechanism needs to move, the movement of the packing mechanism needs to be ensured, and further a connecting mechanism I and a connecting mechanism II are arranged, as shown in fig. 10, when the length of the device needs not to be changed, the electromagnet plate 44 is electrified, the electromagnet plate 44 adsorbs the insertion nail 53, so that the insertion nail 53 passes through the jack 43 and is adsorbed on the electromagnet plate 44, the insertion between the connecting mechanism I and the connecting mechanism II is completed, and further the length of the device does not change;

further when the packing mechanism needs to move in a packing state or the length of the device needs to be adjusted, the electromagnet plate 44 is switched off, the inserting pins 53 are separated from the inserting holes 43 under the pushing of the compression springs III, the sliding bottom plate 52 can slide on the corresponding sliding groove bodies 42, the relative length between the connecting mechanism I and the connecting mechanism II is adjusted, and after the movement of the packing mechanism is completed or the length of the device is adjusted, the inserting pins 53 are attracted by starting the electromagnet plate 44, so that different use requirements of the device are met; it should be noted that the above embodiments may be spliced with each other or all may be combined together for use.

A method for intelligent layered injection of an oil field comprises the following steps:

s1: the oil wells are sealed through a plurality of sealing mechanisms so as to stratify the oil wells;

s2: injecting air pressure into the plurality of packing mechanisms through the plurality of air supply pipelines, and increasing the packing pressure of the plurality of packing mechanisms on the oil well;

s3: injecting water into the oil wells layered by the packing mechanisms through a plurality of water injection pipelines to increase the pressure in the oil wells;

s4: and starting the telescopic mechanism 15, driving the packing sleeve 12 to move by the telescopic end of the telescopic mechanism 15, driving the corresponding packing mechanism to move by the packing sleeve 12, and adjusting the position of the packing mechanism.

Claims (10)

1. The utility model provides an oil field intelligence layering injection apparatus, separates mechanism, water injection pipeline and gas supply line including sealing, its characterized in that: the packing mechanism is provided with a plurality of, is connected with water injection pipeline and gas supply line between two adjacent packing mechanisms, is located the packing mechanism of tip and is connected with the water injection pipeline.

2. The intelligent layered injection equipment in oil field according to claim 1, characterized in that: the packing mechanism comprises two packing supports (11) and two packing sleeves (12), and the packing sleeves (12) are arranged between the two packing supports (11).

3. The intelligent layered injection equipment in oil field according to claim 2, characterized in that: fixedly connected with seals between two seals support (11) and separates water pipe (13), and equal fixedly connected with telescopic machanism (15) on two seals support (11), equal fixedly connected with pulling curb plate (16) on the flexible section of two telescopic machanism (15), two equal sliding connection of pulling curb plate (16) are on sealing and separating water pipe (13), and packing cover (12) fixed connection is between two pulling curb plates (16).

4. The intelligent layered injection equipment in oil field according to claim 3, characterized in that: the air-tight tube (14) is fixedly connected to each of the two sealing supports (11), the inner sides of the two sealing air-tight tubes (14) are fixedly connected to the two pulling side plates (16) respectively, the inner sides of the two pulling side plates (16) are rotatably connected with the rotating baffle (17), air holes are formed in the two rotating baffle (17), and the inner sides of the two sealing air-tight tubes (14) are respectively abutted to the two rotating baffle (17).

5. The intelligent layered injection equipment in oil field according to claim 4, characterized in that: the water injection pipeline comprises a water injection sliding pipe (21) and a water injection connecting pipe (22), the two ends of the water injection sliding pipe (21) are connected with the water injection connecting pipe (22) in an all-sliding mode, a compression spring I is fixedly connected between the two water injection connecting pipes (22) and the water sliding pipe (21), a water outlet pipeline (23) is arranged on the water sliding pipe (21), and a valve is arranged on the water injection connecting pipe (22).

6. The intelligent layered injection equipment in oil field according to claim 5, characterized in that: be provided with outlet conduit (23) on water spout pipe (21), be provided with the valve on outlet conduit (23), be provided with one-way mechanism (24) in outlet conduit (23), it is provided with a plurality ofly to seal to separate the mechanism, two adjacent seals and all is connected with the water injection pipeline between separating the mechanism, fixed connection can be dismantled respectively on two adjacent seal water pipes (13) in the outer end of two water injection connecting pipes (22), be located and all can dismantle fixedly connected with water injection pipeline on two seal water pipes (13) at both ends.

7. The intelligent layered injection equipment in oil field according to claim 6, characterized in that: the gas supply pipeline comprises a gas supply sliding pipe (31) and a gas supply connecting pipe (32), the two ends of the gas supply sliding pipe (31) are connected with the gas supply connecting pipe (32) in a sliding mode, and a compression spring II is fixedly connected between the two gas supply connecting pipes (32) and the gas supply sliding pipe (31).

8. The intelligent layered injection equipment in oil field according to claim 7, characterized in that: and air supply pipelines are connected between two adjacent packing mechanisms, and the outer ends of the two air supply connecting pipes (32) are respectively detachably and fixedly connected to the two adjacent packing air pipes (14).

9. The intelligent layered injection equipment in oil field according to claim 8, characterized in that: the sealing device further comprises a connecting mechanism I and a connecting mechanism II which are used for positioning two adjacent sealing mechanisms.

10. The method for the layered injection of the intelligent layered injection equipment for the oil field according to claim 9 is characterized in that: the method comprises the following steps:

s1: the oil wells are sealed through a plurality of sealing mechanisms so as to stratify the oil wells;

s2: injecting air pressure into the plurality of packing mechanisms through the plurality of air supply pipelines, and increasing the packing pressure of the plurality of packing mechanisms on the oil well;

s3: injecting water into the oil wells layered by the packing mechanisms through a plurality of water injection pipelines to increase the pressure in the oil wells;

s4: and starting the telescopic mechanism (15), driving the packing sleeve (12) to move by the telescopic end of the telescopic mechanism (15), driving the corresponding packing mechanism to move by the packing sleeve (12), and adjusting the position of the packing mechanism.

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