CN211008571U - Switch sliding sleeve device for oil and gas exploitation and oil and gas exploitation tool - Google Patents
Switch sliding sleeve device for oil and gas exploitation and oil and gas exploitation tool Download PDFInfo
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- CN211008571U CN211008571U CN201921953557.1U CN201921953557U CN211008571U CN 211008571 U CN211008571 U CN 211008571U CN 201921953557 U CN201921953557 U CN 201921953557U CN 211008571 U CN211008571 U CN 211008571U
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- sliding sleeve
- hole
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- wall body
- switch
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- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 8
- 230000009969 flowable effect Effects 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
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Abstract
The utility model provides a switch sliding sleeve device and oil gas exploitation instrument for oil gas exploitation relates to oil gas exploitation technical field, has solved among the prior art switching operation step loaded down with trivial details, the complicacy of wall body through-hole on the urceolus, needs to consume the technical problem of a large amount of manpower and materials. The switch sliding sleeve device for oil gas exploitation and the oil gas exploitation tool comprise an outer barrel, a switch sliding sleeve mechanism and a trigger body, wherein when the trigger body is thrown into the outer barrel and presses and triggers the switch sliding sleeve mechanism, the switch sliding sleeve mechanism can be switched to a state of closing a wall body through hole from a state of opening the wall body through hole until the switch sliding sleeve mechanism is triggered by the trigger body or another trigger body again, and then is switched to a state of opening the wall body through hole from a state of closing the wall body through hole. The utility model discloses make things convenient for the operation of wall body through-hole switch, reduced operating cost.
Description
Technical Field
The utility model relates to an oil gas exploitation technical field especially relates to a switch sliding sleeve device for oil gas exploitation and set up this oil gas exploitation instrument of switch sliding sleeve device for oil gas exploitation.
Background
In the underground oil and gas exploitation process, the circulation of liquid needs to be cut off or connected through reciprocating motion. The sliding sleeve device for opening and closing oil and gas is an important tool in the oil and gas well exploitation process.
The existing oil-gas separation switch sliding sleeve device comprises an outer barrel, a sliding sleeve and a ball body for triggering, wherein the sliding sleeve is connected with the outer barrel through a connecting pin, an inner fluid channel capable of communicating the outer barrel and a wall body through hole outside the outer barrel are arranged on the barrel wall of the outer barrel, and after the ball body is put in, the ball body falls down under the action of self weight and descends to the sliding sleeve to drive the sliding sleeve to break the connecting pin and descend to close the wall body through hole. When the wall body through hole needs to be opened, a special hooking tool needs to be thrown down to lift the pipe column, the sliding sleeve is pulled up to expose the wall body through hole, and multiple persons are needed to operate in a cooperative mode in the operation process.
The person skilled in the art finds that the prior art has at least the following technical problems:
at present, a ball shooting method is commonly used in the prior art to control the opening or closing of the downhole tool, but the switching between the opening and the closing cannot be realized by the ball shooting action. Therefore, the operations of ball throwing and pressing are combined with other methods such as the following tools, pipe column lifting and the like to control the opening and closing actions of the tools, and a large number of people are required to work in a coordinated mode in the operation process, so that a large amount of manpower and material resources are consumed, and the problem that how to control the underground fluid channel through a mechanical tool is troubled for oil-gas field production is solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an at least one purpose provides a switch sliding sleeve device for oil gas exploitation and sets up this switch sliding sleeve device's oil gas exploitation instrument for oil gas exploitation, has solved among the prior art switching operation step of wall body through-hole loaded down with trivial details, complicated on the urceolus, needs consume the technical problem of a large amount of manpower and materials.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of switch sliding sleeve device for oil gas exploitation, including urceolus, switch sliding sleeve mechanism and trigger the body, wherein:
the wall of the outer barrel is provided with a wall body through hole which can be communicated with an internal fluid channel of the outer barrel and the outer part of the outer barrel, and the switch sliding sleeve mechanism is arranged on the inner side of the outer barrel;
the extending direction of the shaft axis of the central hole of the switch sliding sleeve mechanism is coincident with or parallel to the extending direction of the shaft axis of the outer cylinder;
when the trigger body is thrown into the outer barrel and presses and triggers the switch sliding sleeve mechanism, the switch sliding sleeve mechanism can be switched from a state of opening the wall body through hole to a state of closing the wall body through hole until the trigger body or another trigger body triggers the switch sliding sleeve mechanism again, and then the switch sliding sleeve mechanism is switched from the state of closing the wall body through hole to the state of opening the wall body through hole; or, when the trigger body is put into the outer barrel and is stamped and triggered, the switch sliding sleeve mechanism can be switched from the state of closing the wall body through hole to the state of opening the wall body through hole until the trigger body or the other trigger body triggers, and then is switched from the state of opening the wall body through hole to the state of closing the wall body through hole.
Preferably or optionally, the number of the trigger bodies is two or more, wherein: the first trigger is a first trigger, the second trigger is a second trigger, and the first trigger and/or the second trigger are/is made of a dissolvable or degradable material (preferably a material dissolvable or degradable in water).
Preferably or optionally, the first trigger and/or the second trigger is a sphere, an ellipsoid, a cylindrical structure or a truncated cone structure.
Preferably or optionally, the switch sliding sleeve mechanism comprises a sliding sleeve, a base body and a fluid medium, wherein:
the seat body is connected with the outer cylinder or is of an integrated structure;
a liquid-sealed flowing medium accommodating chamber is formed among the sliding sleeve, the seat body and the outer cylinder, or the switch sliding sleeve mechanism further comprises a liquid-sealed retainer ring which is connected to the inner side of the sliding sleeve in a liquid-sealed mode, and a liquid-sealed flowing medium accommodating chamber is formed among the sliding sleeve, the seat body, the outer cylinder and the liquid-sealed retainer ring;
the flowing medium is filled in the flowing medium accommodating chamber;
the sliding sleeve includes inner sliding sleeve and cup joints the outer sliding sleeve outside inner sliding sleeve, wherein: a radial through hole is arranged on the wall body of the outer sliding sleeve, when one of the first trigger and the second trigger is thrown into the outer barrel and punches the upstream end of one of the inner sliding sleeve and the outer sliding sleeve, the punched sliding sleeve in the inner sliding sleeve and the outer sliding sleeve can move downwards and push the un-punched sliding sleeve in the inner sliding sleeve and the outer sliding sleeve to move upwards through the flowing medium to enable the radial through hole on the outer sliding sleeve and the wall body through hole to be staggered mutually or enable the inner sliding sleeve to shield the wall body through hole to close the wall body through hole, when the other one of the first trigger and the second trigger is thrown into the outer barrel and punches the other one of the inner sliding sleeve and the outer sliding sleeve, the punched sliding sleeve moves downwards and pushes the un-punched sliding sleeve to move upwards through the flowing medium to enable the radial through hole on the outer sliding sleeve and the wall body through hole to coincide, the inner sliding sleeve exposes the radial through hole on the outer sliding sleeve and the wall body through hole to open the wall body through hole; or, be provided with radial opening on the wall body of outer sliding sleeve, first trigger with when two of them are thrown into in the urceolus and the punching press of inner sliding sleeve with when two of them upstream ends of outer sliding sleeve, the sliding sleeve that is stamped in inner sliding sleeve with in the outer sliding sleeve can be down and pass through the mobile medium promotes the sliding sleeve that is not stamped in two and goes upward to make radial opening on the outer sliding sleeve and wall body through-hole coincide mutually, inner sliding sleeve exposes radial opening on the outer sliding sleeve and wall body through-hole in order to open the wall body through-hole, first trigger with two of them another of second trigger throw in to in the urceolus and the punching press inner sliding sleeve with two of them another of outer sliding sleeve, the punching press the sliding sleeve down and pass through the mobile medium promotes the sliding sleeve that is not stamped and goes upward makes radial opening on the outer sliding sleeve and wall body through-hole stagger each other or the wall body through-hole mutually staggers or Enabling the inner sliding sleeve to shield the wall body through hole so as to close the wall body through hole; or, when one of the first trigger and the second trigger is thrown into the outer barrel and presses the upstream end of the inner sliding sleeve, the inner sliding sleeve can move downwards to close the wall body through hole, the inner sliding sleeve pushes the outer sliding sleeve to move upwards through the flowing medium in the moving process, and when the other of the first trigger and the second trigger is thrown into the outer barrel and presses the outer sliding sleeve, the pressed outer sliding sleeve moves downwards and pushes the inner sliding sleeve which is not pressed through the flowing medium to expose the wall body through hole so as to open the wall body through hole.
Preferably or optionally, the size of the upstream end port of the outer sliding sleeve is larger than that of the upstream end port of the inner sliding sleeve, the first trigger and the second trigger are both spheres, and the diameter of the first trigger is different from that of the second trigger in size; or, one of the first trigger and the second trigger is only matched with the shape of the outer sliding sleeve and can only drive the outer sliding sleeve matched with the first trigger to move downwards, and the other of the first trigger and the second trigger is only matched with the shape of the inner sliding sleeve and can only drive the inner sliding sleeve matched with the first trigger to move downwards.
Preferably or optionally, the flowable medium is hydraulic oil, water or particles having flowability.
Preferably or optionally, the upstream ends of the inner sliding sleeve and the outer sliding sleeve are respectively provided with an inner conical surface or are fixedly connected with a ball seat provided with the inner conical surface, and the inner diameter of the inner conical surface is gradually reduced along the direction from the upstream to the downstream.
Preferably or optionally, the outer sliding sleeve is provided with a stop flange, and when the outer sliding sleeve descends to a position for closing the wall body through hole, the stop flange abuts against the upstream end of the inner sliding sleeve; and/or the presence of a gas in the gas,
be provided with the inner wall opening on the wall body on the inner sliding sleeve, radial opening on the outer sliding sleeve inner wall opening on the inner sliding sleeve and when wall body through-hole three coincided mutually, the wall body through-hole is in the open mode, radial opening on the outer sliding sleeve inner wall opening on the inner sliding sleeve and when wall body through-hole three staggers mutually, the wall body through-hole is in the closed mode.
The embodiment of the utility model provides an oil gas exploitation instrument, include the utility model discloses the switch sliding sleeve device for oil gas exploitation that any technical scheme provided.
Preferably or optionally, the hydrocarbon production tool is a slip sleeve tool or packer, wherein:
the packer includes packing element and fracturing fluid passageway, when the wall body through-hole is in the open mode, the fracturing fluid in the inside fluid passage of urceolus can pass through in proper order the wall body through-hole and the fracturing fluid passageway flows and promotes the packing element warp and seat and seal in the sleeve pipe or the oil gas well at packer place, when the wall body through-hole is in the closed mode, the fracturing fluid in the fracturing fluid passageway can maintain the packing element warp and seat and seal in the sleeve pipe or the oil gas well at packer place, when the wall body through-hole is in the open mode again, the fracturing fluid in the fracturing fluid passageway loops through the fracturing fluid passageway and the wall body through-hole flows into the inside fluid passage of urceolus so that the packing element resumes to sit the shape before sealing and removes to sit and seal.
The embodiment of the utility model provides a switching method of oil gas exploitation instrument wall body through-hole, including following step:
step A: a trigger body is put into the outer cylinder in the switch sliding sleeve device for oil and gas exploitation provided by any technical scheme of the embodiment of the utility model, when the trigger body is put into the outer cylinder and is pressed to trigger the switch sliding sleeve mechanism, the switch sliding sleeve mechanism can be switched from a state of opening the wall body through hole to a state of closing the wall body through hole; and B: and the trigger body is put into the outer barrel again, and the switch sliding sleeve mechanism is switched from the state of closing the wall body through hole to the state of opening the wall body through hole when being triggered by the trigger body or the other trigger body again.
The embodiment of the utility model provides a switching method of oil gas exploitation instrument wall body through-hole, including following step:
step A: a trigger body is put into the outer cylinder in the switch sliding sleeve device for oil and gas exploitation provided by any technical scheme of the embodiment of the utility model, when the trigger body is put into the outer cylinder and is pressed to trigger the switch sliding sleeve mechanism, the switch sliding sleeve mechanism can be switched from a state of closing the wall body through hole to a state of opening the wall body through hole; and B: and the trigger body is put into the outer barrel again, and the switch sliding sleeve mechanism is switched from the state of opening the wall body through hole to the state of closing the wall body through hole when being triggered by the trigger body or the other trigger body again.
The utility model discloses arbitrary technical scheme can produce following technological effect at least:
in the switching sliding sleeve device for oil and gas exploitation provided by the utility model, when the trigger body is thrown into the outer cylinder and the switching sliding sleeve device is triggered by punching, the switching sliding sleeve device can be switched from the state of opening the wall body through hole to the state of closing the wall body through hole until the triggering body or another trigger body triggers again, and then switched from the state of closing the wall body through hole to the state of opening the wall body through hole; or, when triggering the body and throwing in to the urceolus and punching press trigger switch sliding sleeve mechanism, switch sliding sleeve mechanism can switch to the state of opening the wall body through-hole from the state of closing the wall body through-hole until receiving the state that triggers the body or another when triggering the body again and switch to the state of closing the wall body through-hole from the state of opening the wall body through-hole, from this, the utility model discloses only need throw in two or twice trigger the body and just can switch the on off state of wall body through-hole on the urceolus, thrown down special tool hook and carried the tubular column among the prior art, pulled up the loaded down with trivial details, the complicated operation of sliding sleeve, need not many people cooperative operation, and saved the cost of special hook instrument moreover, so solved the technical problem that the switch operation step of urceolus through-hole is loaded down with trivial details.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a process of opening and closing a switch sliding sleeve device for oil and gas exploitation according to an embodiment of the present invention;
fig. 2 is a schematic view of a sliding sleeve tool applied to a switch sliding sleeve device for oil and gas exploitation according to an embodiment of the present invention;
fig. 3 is a schematic view of a sliding sleeve tool applied to a switching sliding sleeve device for oil and gas exploitation according to another embodiment of the present invention;
fig. 4 is a schematic view of a sliding sleeve tool applied to a switch sliding sleeve device for oil and gas exploitation according to another embodiment of the present invention;
fig. 5 is a schematic diagram of a packer applied to a switch sliding sleeve device for oil and gas exploitation according to an embodiment of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5;
fig. 7 is a schematic flow chart of a method for opening and closing a wall body through hole of an oil and gas production tool according to an embodiment of the present invention;
fig. 8 is a schematic flow chart of another method for opening and closing a wall through hole of a hydrocarbon production tool according to an embodiment of the present invention;
the labels in the figure are: 1. an outer cylinder; 10. a wall body through hole; 11. an internal fluid passageway; 2. a switch sliding sleeve mechanism; 21. a sliding sleeve; 211. an inner sliding sleeve; 110. an inner wall through opening; 212. an outer sliding sleeve; 120. a radial port; 22. a base body; 23. a flowable medium; 24. a liquid sealing check ring; 3. a trigger body; 31. a first trigger; 32. a second trigger; 4. a seal ring; 5. a rubber cylinder; 6. a fracturing fluid channel; 71. an outer tubular body; 72. an inner tube body; 8. and a fracturing fluid inlet and outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail with reference to fig. 1 to 8. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a switch operation step of wall body through-hole on urceolus is simple, and is convenient, and the oil and gas that manpower and materials are with low costs is opened and is adopted the switch sliding sleeve device, set up this oil and gas exploitation tool of switch sliding sleeve device for oil and gas exploitation and the switching method of wall body through-hole on this oil and gas exploitation tool.
As shown in fig. 1-8, the utility model provides a switch sliding sleeve device for oil and gas exploitation, including urceolus 1, switch sliding sleeve mechanism 2 and trigger body 3, wherein:
the wall of the outer cylinder 1 is provided with an internal fluid channel 11 which can be communicated with the outer cylinder 1 and a wall body through hole 10 outside the outer cylinder 1, and the switch sliding sleeve mechanism 2 is arranged on the inner side of the outer cylinder 1;
the extending direction of the shaft axis of the central hole of the switch sliding sleeve mechanism 2 is coincident with or parallel to the extending direction of the shaft axis of the outer cylinder 1;
when the trigger body 3 is thrown into the outer barrel 1 and the trigger switch sliding sleeve mechanism 2 is punched, the switch sliding sleeve mechanism 2 can be switched from a state of opening the wall body through hole 10 to a state of closing the wall body through hole 10 until the trigger body 3 or another trigger body 3 is triggered again, and then is switched from the state of closing the wall body through hole 10 to the state of opening the wall body through hole 10; or, when the trigger 3 is thrown into the outer cylinder 1 and presses the trigger sliding sleeve mechanism 2, the sliding sleeve mechanism 2 can be switched from the state of closing the wall body through hole 10 to the state of opening the wall body through hole 10 until the trigger 3 or another trigger 3 is triggered again, and then switched from the state of opening the wall body through hole 10 to the state of closing the wall body through hole 10.
The utility model discloses only need put in two or twice trigger body 3 and just can switch urceolus 1 upper wall body through-hole 10's on-off state, left out and put down special hook instrument and lift the tubular column in prior art, pull up loaded down with trivial details, the complicated operation of sliding sleeve 21, need not many people cooperative operation, saved the cost of special hook instrument moreover.
As a preferred or alternative embodiment, the number of trigger bodies 3 is two or more, wherein: the first trigger 3 is a first trigger 31, the second trigger 3 or another trigger 3 is a second trigger 32, and the first trigger 31 and/or the second trigger 32 are made of a dissolvable or degradable material. The first trigger 31 and the second trigger 32 are preferably both made of a material that is soluble or degradable in water.
As a preferred or alternative embodiment, the first trigger 31 and/or the second trigger 32 are a sphere, an ellipsoid, a cylindrical structure or a truncated cone structure. The first trigger 31 and the second trigger 32 are preferably spheres because the spheres are convenient to put in, dissolve, and degrade quickly.
As a preferred or alternative embodiment, the switch sliding sleeve mechanism 2 comprises a sliding sleeve 21, a seat body 22 and a fluid medium 23, wherein: the seat body 22 is connected with the outer cylinder 1 or is of an integrated structure; a liquid-tight flowing medium accommodating chamber is formed among the sliding sleeve 21, the seat body 22 and the outer cylinder 1, or the switch sliding sleeve mechanism 2 further comprises a liquid-tight baffle ring 24 which is connected to the inner side of the sliding sleeve in a liquid-tight manner (through a sealing ring), and a liquid-tight flowing medium accommodating chamber is formed among the sliding sleeve 21, the seat body 22, the outer cylinder 1 and the liquid-tight baffle ring 24;
the flowable medium 23 is filled in the flowable medium accommodating chamber;
the sliding sleeve 21 comprises an inner sliding sleeve 211 (or inner sleeve) and an outer sliding sleeve 212 (or outer sleeve), and the wall body of the outer sliding sleeve 212 is provided with a radial through hole 120; wherein:
as a preferred or alternative embodiment, when the first trigger 31 shown in fig. 1-6 is thrown into the outer barrel 1 and presses the upstream end of one of the inner sliding sleeve 211 and the outer sliding sleeve 212 (the outer sliding sleeve 212 in fig. 1, 2 and 4, and the inner sliding sleeve 211 in fig. 3), the pressed sliding sleeve 21 (the outer sliding sleeve 212 in fig. 1, 2 and 4, and the inner sliding sleeve 211 in fig. 3) in both the inner sliding sleeve 211 and the outer sliding sleeve 212 descends and pushes the non-pressed sliding sleeve 21 (the inner sliding sleeve 211 in fig. 1, 2 and 4, and the outer sliding sleeve 212 in fig. 3) in both the inner sliding sleeve 211 and the outer sliding sleeve 212 through the fluid medium 23 to make the radial through holes 120 and the wall through holes 10 on the outer sliding sleeve 212 staggered with each other or make the inner sliding sleeve 211 block the wall through holes 10 to close the wall through holes 10; when the second trigger 32 is thrown into the outer barrel 1 and presses the other of the inner sliding sleeve 211 and the outer sliding sleeve 212 (the inner sliding sleeve 211 in fig. 1, 2 and 4, and the outer sliding sleeve 212 in fig. 3), the pressed sliding sleeve 21 (the inner sliding sleeve 211 in fig. 1, 2 and 4, and the outer sliding sleeve 212 in fig. 3) moves downward and pushes the non-pressed sliding sleeve 21 (the outer sliding sleeve 212 in fig. 1, 2 and 4, and the inner sliding sleeve 211 in fig. 3) through the fluid medium 23 to make the radial through hole 120 on the outer sliding sleeve 212 coincide with the wall through hole 10, and the inner sliding sleeve 211 exposes the radial through hole 120 on the outer sliding sleeve 212 and the wall through hole 10 to open the wall through hole 10.
In a preferred or alternative embodiment, the wall of the outer sliding sleeve is provided with radial through holes, when one of the first trigger and the second trigger is thrown into the outer cylinder and the upstream end of one of the inner sliding sleeve and the outer sliding sleeve is punched, the punched sliding sleeve of the inner sliding sleeve and the outer sliding sleeve can move downwards and push the non-punched sliding sleeve of the inner sliding sleeve and the outer sliding sleeve to coincide with the radial through hole and the wall body through hole on the outer sliding sleeve through the fluid medium, the inner sliding sleeve exposes the radial through hole and the wall body through hole on the outer sliding sleeve to open the wall body through hole, the other one of the first trigger and the second trigger is thrown into the outer cylinder and punches the other one of the inner sliding sleeve and the outer sliding sleeve, the punched sliding sleeve moves downwards and pushes the non-punched sliding sleeve to make the radial through hole on the outer sliding sleeve and the wall body through hole staggered mutually or make the inner sliding sleeve shield the wall body through hole so as to close the wall body through hole.
In a preferred or alternative embodiment, as shown in fig. 5 and 6, when one of the first trigger 31 and the second trigger 32 is thrown into the outer tub 1 and the upstream end of the inner sliding sleeve 211 is punched, the inner sliding sleeve 211 moves downwards to close the wall through hole 10, the inner sliding sleeve 211 pushes the outer sliding sleeve 212 upwards through the fluid medium during the descending process, and when the other of the first trigger 31 and the second trigger 32 is thrown into the outer tub 1 and punches the outer sliding sleeve 212, the punched outer sliding sleeve 212 moves downwards and pushes the non-punched inner sliding sleeve 211 upwards through the fluid medium 23 to expose the inner sliding sleeve 211 out of the wall through hole 10 to open the wall through hole 10.
The closing operation of the wall through-hole 10 can be performed by putting the first trigger 31, and the opening operation of the wall through-hole 10 can be performed by putting the second trigger 32. Of course, the first trigger 31 and the second trigger 32 can be designed to be interchangeable.
Preferably or alternatively, the size of the upstream end port of the outer sliding sleeve 212 is larger than that of the upstream end port of the inner sliding sleeve 211; the first trigger 31 and the second trigger 32 are both spheres, and the diameter of the first trigger 31 is different from the diameter of the second trigger 32. The different 3 operating personnel of trigger body of size are difficult to take by mistake, carry out and are difficult to the maloperation.
Preferably or alternatively, one of the first trigger and the second trigger is matched with the shape of the outer sliding sleeve only and can drive the outer sliding sleeve matched with the first trigger to descend, and the other of the first trigger and the second trigger is matched with the shape of the inner sliding sleeve only and can drive the inner sliding sleeve matched with the first trigger to descend.
As a preferred or alternative embodiment, the flowable medium 23 is hydraulic oil, water or particles having a flowability, preferably hydraulic oil. The hydraulic oil has good stability and lubricating property, and is suitable for being used as the fluid medium 23.
Preferably or alternatively, the upstream ends of the inner and outer sliding sleeves 211 and 212 are provided with inner conical surfaces or fixedly connected with ball seats provided with inner conical surfaces, and the inner conical surfaces are gradually reduced in inner diameter along the upstream to downstream direction. The big on the one hand of the 3 area of contact of trigger of interior conical surface and spheroid structure triggers the thing can better transmission ram-force, and on the other hand inner sliding sleeve 211, the respective upstream end of outer sliding sleeve 212 are difficult to be smashed badly, and on the other hand, triggers dissolve, can cut off the upstream and the downstream of the respective upstream end of inner sliding sleeve 211, outer sliding sleeve 212 before the degradation, make things convenient for the exploitation of oil gas.
The utility model provides a method for controlling a hydraulic cavity to change the direction of a switch by pressing a throwing trigger body 3 (preferably a throwing ball), which is characterized in that the lower ends of an inner sleeve and an outer sleeve are respectively inserted into the same closed hydraulic cavity. The upper ends of the inner sleeve and the outer sleeve are respectively provided with a ball seat. Are sealed with each other by a sealing ring 4. When the ball seat is arranged on the ball seat of the inner sleeve, the inner sleeve is forced to move downwards by pressure, the hydraulic cavity is forced to generate pressure by the lower end of the inner sleeve, and the outer sleeve is pushed to move upwards by the pressure in the hydraulic cavity. When the ball seat is arranged on the outer sleeve, the outer sleeve is forced to move downwards by pressure, the hydraulic cavity is forced to generate pressure by the lower end of the outer sleeve, and the hydraulic cavity pushes the inner sleeve to move upwards. Through setting up the attribute in different positions, can reliably control sleeve reciprocating motion through trigger body 3, realize the back and forth movement between the different attribute.
In a preferred or alternative embodiment, the outer sliding sleeve 212 is provided with a stop flange, and when the outer sliding sleeve 212 descends to a position for closing the wall through hole 10, the stop flange abuts against the upstream end of the inner sliding sleeve 211. The stop flange can reduce the descending distance of the outer sliding sleeve 212, reduce the sliding stroke of the outer sliding sleeve 212 in the opening and closing process and improve the response speed of the opening and closing.
In a preferred or alternative embodiment, the inner wall through hole 110 is formed in the wall of the inner sliding sleeve 211, when the radial through hole 120 of the outer sliding sleeve 212, the inner wall through hole 110 of the inner sliding sleeve 211 and the wall through hole 10 are overlapped, the wall through hole 10 is in an open state, and when the radial through hole 120 of the outer sliding sleeve 212, the inner wall through hole 110 of the inner sliding sleeve 211 and the wall through hole 10 are staggered, the wall through hole 10 is in a closed state. When the through hole 10 of the wall body is closed, a two-layer sealing structure is formed, and the sealing effect is better.
The embodiment of the utility model provides an oil gas exploitation instrument, include the utility model discloses the switch sliding sleeve device for oil gas exploitation that any technical scheme provided.
As a preferred or alternative embodiment, the hydrocarbon production tool is a sliding sleeve tool as shown in fig. 2-4 or a packer as shown in fig. 5 and 6, wherein:
the packer comprises a rubber tube 5 and a fracturing fluid channel 6, the fracturing fluid channel 6 is preferably formed by a gap between an outer tube 71, an inner tube 72, the rubber tube 5 and an outer tube 11, when a wall body through hole 10 is in an open state, fracturing fluid in the inner fluid channel 11 of the outer tube 1 can sequentially flow out through the wall body through hole 10 and the fracturing fluid channel 6 and push the rubber tube 5 to deform and sit in a casing or an oil-gas well where the packer is located, when the wall body through hole 10 is in a closed state, the fracturing fluid in the fracturing fluid channel 6 can maintain the rubber tube 5 to deform and sit in the casing or the oil-gas well where the packer is located, when the wall body through hole 10 is in the open state again, the fracturing fluid in the fracturing fluid channel 6 sequentially flows into the inner fluid channel 11 of the outer tube 1 through the fracturing fluid channel 6 and the wall body through hole 10 so that the rubber tube 5 recovers the shape before sitting and the.
The utility model discloses can be applied to the sliding sleeve instrument, at this moment, trompil on outer section of thick bamboo 1 makes the action open under the overcoat, and the overcoat goes upward for closing. Namely, the opening and closing of the sliding sleeve 21 can be controlled by different balls. The packer can also be applied to a packer (such as a K441 packer) so that the outer sleeve downwards blocks the liquid inlet hole and upwards opens the liquid inlet hole. The setting and the unsetting of the packer can be controlled by throwing the balls.
The embodiment of the utility model provides a switching method of oil gas exploitation instrument wall body through-hole 10, including following step:
step A: the trigger body 3 is put into the outer barrel 1 in the switch sliding sleeve device for oil and gas exploitation provided by any technical scheme of the embodiment of the utility model, when the trigger body 3 is put into the outer barrel 1 and the trigger switch sliding sleeve mechanism 2 is stamped, the switch sliding sleeve mechanism 2 can be switched from a state of opening the wall body through hole 10 to a state of closing the wall body through hole 10; and B: the trigger body 3 is put into the outer cylinder 1 again, and the switch sliding sleeve mechanism 2 is switched from a state of closing the wall body through hole 10 to a state of opening the wall body through hole 10 when being triggered by the trigger body 3 or another trigger body 3 again.
The embodiment of the utility model provides a switching method of oil gas exploitation instrument wall body through-hole 10, including following step: step A: the trigger body 3 is put into the outer barrel 1 in the switch sliding sleeve device for oil and gas exploitation provided by any technical scheme of the embodiment of the utility model, when the trigger body 3 is put into the outer barrel 1 and the trigger switch sliding sleeve mechanism 2 is punched, the switch sliding sleeve mechanism 2 can be switched from a state of closing the wall body through hole 10 to a state of opening the wall body through hole 10; and B: the trigger body 3 is put into the outer cylinder 1 again, and the switch sliding sleeve mechanism 2 is switched from a state of opening the wall body through hole 10 to a state of closing the wall body through hole 10 when being triggered by the trigger body 3 or another trigger body 3 again. In the initial state of the switch sliding sleeve mechanism 2, whether the wall body through hole 10 is in the opening state or the closing state can be manually set.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a switch sliding sleeve device for oil and gas exploitation which characterized in that: including urceolus, switch sliding sleeve mechanism and trigger the body, wherein:
the wall of the outer barrel is provided with a wall body through hole which can be communicated with an internal fluid channel of the outer barrel and the outer part of the outer barrel, and the switch sliding sleeve mechanism is arranged on the inner side of the outer barrel;
the extending direction of the shaft axis of the central hole of the switch sliding sleeve mechanism is coincident with or parallel to the extending direction of the shaft axis of the outer cylinder;
when the trigger body is thrown into the outer barrel and presses and triggers the switch sliding sleeve mechanism, the switch sliding sleeve mechanism can be switched from a state of opening the wall body through hole to a state of closing the wall body through hole until the trigger body or another trigger body triggers the switch sliding sleeve mechanism again, and then the switch sliding sleeve mechanism is switched from the state of closing the wall body through hole to the state of opening the wall body through hole; or, when the trigger body is put into the outer barrel and is stamped and triggered, the switch sliding sleeve mechanism can be switched from the state of closing the wall body through hole to the state of opening the wall body through hole until the trigger body or the other trigger body triggers, and then is switched from the state of opening the wall body through hole to the state of closing the wall body through hole.
2. The switch sliding sleeve device for oil and gas exploitation according to claim 1, wherein: the number of the trigger bodies is more than two, wherein: the first trigger that is put in is first trigger, and the trigger that is put in again or another trigger is the second trigger, first trigger and/or the second trigger be for dissolving or degradable material makes.
3. The switch sliding sleeve device for oil and gas exploitation according to claim 2, wherein: the first trigger object and/or the second trigger object are/is a sphere, an ellipsoid, a cylindrical structure or a circular truncated cone structure.
4. The switch sliding sleeve device for oil and gas exploitation according to claim 2, wherein: switch sliding sleeve mechanism includes sliding sleeve, pedestal and mobile medium, wherein:
the seat body is connected with the outer cylinder or is of an integrated structure;
a liquid-sealed flowing medium accommodating chamber is formed among the sliding sleeve, the seat body and the outer cylinder; or, the switch sliding sleeve mechanism further comprises a liquid sealing washer connected to the inner side of the sliding sleeve in a liquid sealing manner, and a liquid sealing flowing medium accommodating chamber is formed among the sliding sleeve, the seat body, the outer barrel and the liquid sealing washer;
the flowing medium is filled in the flowing medium accommodating chamber;
the sliding sleeve includes inner sliding sleeve and cup joints the outer sliding sleeve outside inner sliding sleeve, wherein:
a radial through hole is arranged on the wall body of the outer sliding sleeve, when one of the first trigger and the second trigger is thrown into the outer barrel and punches the upstream end of one of the inner sliding sleeve and the outer sliding sleeve, the punched sliding sleeve in the inner sliding sleeve and the outer sliding sleeve can move downwards and push the un-punched sliding sleeve in the inner sliding sleeve and the outer sliding sleeve to move upwards through the flowing medium to enable the radial through hole on the outer sliding sleeve and the wall body through hole to be staggered mutually or enable the inner sliding sleeve to shield the wall body through hole to close the wall body through hole, when the other one of the first trigger and the second trigger is thrown into the outer barrel and punches the other one of the inner sliding sleeve and the outer sliding sleeve, the punched sliding sleeve moves downwards and pushes the un-punched sliding sleeve to move upwards through the flowing medium to enable the radial through hole on the outer sliding sleeve and the wall body through hole to coincide, the inner sliding sleeve exposes the radial through hole on the outer sliding sleeve and the wall body through hole to open the wall body through hole; or, be provided with radial opening on the wall body of outer sliding sleeve, first trigger with when two of them are thrown into in the urceolus and the punching press of inner sliding sleeve with when two of them upstream ends of outer sliding sleeve, the sliding sleeve that is stamped in inner sliding sleeve with in the outer sliding sleeve can be down and pass through the mobile medium promotes the sliding sleeve that is not stamped in two and goes upward to make radial opening on the outer sliding sleeve and wall body through-hole coincide mutually, inner sliding sleeve exposes radial opening on the outer sliding sleeve and wall body through-hole in order to open the wall body through-hole, first trigger with two of them another of second trigger throw in to in the urceolus and the punching press inner sliding sleeve with two of them another of outer sliding sleeve, the punching press the sliding sleeve down and pass through the mobile medium promotes the sliding sleeve that is not stamped and goes upward makes radial opening on the outer sliding sleeve and wall body through-hole stagger each other or the wall body through-hole mutually staggers or Enabling the inner sliding sleeve to shield the wall body through hole so as to close the wall body through hole; or, when one of the first trigger and the second trigger is thrown into the outer barrel and presses the upstream end of the inner sliding sleeve, the inner sliding sleeve can move downwards to close the wall body through hole, the inner sliding sleeve pushes the outer sliding sleeve to move upwards through the flowing medium in the moving process, and when the other of the first trigger and the second trigger is thrown into the outer barrel and presses the outer sliding sleeve, the pressed outer sliding sleeve moves downwards and pushes the inner sliding sleeve which is not pressed through the flowing medium to expose the wall body through hole so as to open the wall body through hole.
5. The switch sliding sleeve device for oil and gas exploitation according to claim 4, wherein: the size of an upstream end port of the outer sliding sleeve is larger than that of an upstream end port of the inner sliding sleeve, the first trigger and the second trigger are both spheres, and the diameter of the first trigger is different from that of the second trigger; or, one of the first trigger and the second trigger is only matched with the shape of the outer sliding sleeve and can only drive the outer sliding sleeve matched with the first trigger to move downwards, and the other of the first trigger and the second trigger is only matched with the shape of the inner sliding sleeve and can only drive the inner sliding sleeve matched with the first trigger to move downwards.
6. The switch sliding sleeve device for oil and gas exploitation according to claim 4, wherein: the flowable medium is hydraulic oil, water or particles with fluidity.
7. The switch sliding sleeve device for oil and gas exploitation according to claim 4, wherein: the inner sliding sleeve and the outer sliding sleeve are respectively provided with an inner conical surface at the upstream end or are fixedly connected with a ball seat provided with the inner conical surface, and the inner diameter of the inner conical surface is gradually reduced along the direction from the upstream to the downstream.
8. The switch sliding sleeve device for oil and gas exploitation according to claim 4, wherein: the outer sliding sleeve is provided with a stop flange, and when the outer sliding sleeve moves downwards to a position for closing the wall body through hole, the stop flange is abutted against the upstream end of the inner sliding sleeve; and/or the presence of a gas in the gas,
be provided with the inner wall opening on the wall body on the inner sliding sleeve, radial opening on the outer sliding sleeve inner wall opening on the inner sliding sleeve and when wall body through-hole three coincided mutually, the wall body through-hole is in the open mode, radial opening on the outer sliding sleeve inner wall opening on the inner sliding sleeve and when wall body through-hole three staggers mutually, the wall body through-hole is in the closed mode.
9. An oil and gas production tool, characterized by: comprising the switch sleeve device for oil and gas production according to any one of claims 1 to 8.
10. The hydrocarbon production tool of claim 9, wherein: the oil and gas exploitation tool is a sliding sleeve tool or a packer, wherein:
the packer includes packing element and fracturing fluid passageway, when the wall body through-hole is in the open mode, the fracturing fluid in the inside fluid passage of urceolus can pass through in proper order the wall body through-hole and the fracturing fluid passageway flows and promotes the packing element warp and seat and seal in the sleeve pipe or the oil gas well at packer place, when the wall body through-hole is in the closed mode, the fracturing fluid in the fracturing fluid passageway can maintain the packing element warp and seat and seal in the sleeve pipe or the oil gas well at packer place, when the wall body through-hole is in the open mode again, the fracturing fluid in the fracturing fluid passageway loops through the fracturing fluid passageway and the wall body through-hole flows into the inside fluid passage of urceolus so that the packing element resumes to sit the shape before sealing and removes to sit and seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921953557.1U CN211008571U (en) | 2019-11-12 | 2019-11-12 | Switch sliding sleeve device for oil and gas exploitation and oil and gas exploitation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921953557.1U CN211008571U (en) | 2019-11-12 | 2019-11-12 | Switch sliding sleeve device for oil and gas exploitation and oil and gas exploitation tool |
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| Publication Number | Publication Date |
|---|---|
| CN211008571U true CN211008571U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921953557.1U Withdrawn - After Issue CN211008571U (en) | 2019-11-12 | 2019-11-12 | Switch sliding sleeve device for oil and gas exploitation and oil and gas exploitation tool |
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| CN (1) | CN211008571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685640A (en) * | 2019-11-12 | 2020-01-14 | 陈爱民 | Switching sliding sleeve device for oil and gas exploitation, oil and gas exploitation tool and switching method for wall body through hole of oil and gas exploitation tool |
-
2019
- 2019-11-12 CN CN201921953557.1U patent/CN211008571U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685640A (en) * | 2019-11-12 | 2020-01-14 | 陈爱民 | Switching sliding sleeve device for oil and gas exploitation, oil and gas exploitation tool and switching method for wall body through hole of oil and gas exploitation tool |
| CN110685640B (en) * | 2019-11-12 | 2024-06-04 | 陈爱民 | Switching sliding sleeve device for oil gas exploitation, oil gas exploitation tool and switching method of wall body through hole of oil gas exploitation tool |
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