CN113279722A

CN113279722A - Packer for oil exploitation

Info

Publication number: CN113279722A
Application number: CN202110645935.5A
Authority: CN
Inventors: 门万龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-08-20

Abstract

The invention discloses a packer for oil exploitation, which relates to the technical field of oil exploitation equipment and comprises a connecting pipe and an operating rod, wherein an embedded pipe is fixedly sleeved at the right end of the connecting pipe, a rubber bag is fixedly sleeved outside the embedded pipe, and a sleeve pipe is movably sleeved on the side of the embedded pipe. This packer for oil development, cooperation through attach fitting and spread groove and coupling spring and connecting block is used, make this packer for oil development can insert the inside of connecting joint into the connecting pipe under the effect of action bars, simultaneously for the attach fitting circular telegram, produce suction behind the attach fitting circular telegram and follow the inside suction of connecting pipe and make the inside of connecting block embedding spread groove with the connecting block, later just can drive the connecting pipe through the pulling action bars and carry out the removal of packer, need to finish the circular telegram when taking out attach fitting from the inside of packer, the connecting block resets under the effect of coupling spring elasticity, remove being connected between attach fitting and the connecting pipe.

Description

Packer for oil exploitation

Technical Field

The invention relates to the technical field of oil exploitation equipment, in particular to a packer for oil exploitation.

Background

Petroleum is an industrial noun, and is relative to mineral resources, the petroleum industry generally called is a mineral resource industry, in the process of petroleum exploration, the petroleum reserve is calculated and determined according to the exploration degree and the exploration condition, the petroleum reserve is a geological exploration result and is an original mineral resource amount to be developed, crude oil is the petroleum which is buried in a rock stratum and is exploited, the original physical and chemical form of the crude oil is kept, the crude oil is a primary product of the petroleum industry, the use value of the crude oil is realized, the petroleum development result is an oil field development result, and the crude oil yield is an already developed mineral resource yield.

The packer is the essential equipment in the oil development process, indicate to connect on the tubular column in the pit for seal off oil pipe and oil gas well casing or bore hole wall of a well annular space's downhole tool, but common packer still has certain not enough when using on the market, at first, common packer is comparatively loaded down with trivial details at the inside operation that removes of oil well, secondly, common packer is great with the friction between the wall of a well when removing in the pit, shorten the life of packer easily, for this reason, we have designed an oil and have opened and adopt the packer to solve above-mentioned problem.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a packer for oil exploitation, which solves the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a packer for oil development, includes connecting pipe and action bars, the fixed cover of right-hand member of connecting pipe is equipped with the embedding pipe, the outside fixed cover of embedding pipe is equipped with the rubber bag, and the side movable sleeve of embedding pipe is equipped with the bell and spigot joint, the right side screw thread cover of bell and spigot joint has the pipe of rightting, the outside movable mounting of righting the pipe has evenly distributed's fly leaf, and the equal fixed cover in both ends of righting the pipe is equipped with connecting stud, right side connecting stud's outside screw thread has cup jointed fixed pullover, the outside movable sleeve of fly leaf is equipped with evenly distributed's ball, and fly leaf and right between the pipe fixedly connected with the spring of righting, the terminal fixed cover of action bars is equipped with coupling joint, the spread groove has been seted up to coupling joint's outside.

Preferably, the connecting pipes are movably sleeved with uniformly distributed connecting blocks, and connecting springs are fixedly connected between the connecting pipes and the connecting blocks.

Preferably, the connecting pipe is made of nonmagnetic alloy, the connecting block and the connecting groove are matched with each other, and the connecting block is made of magnetic metal.

Preferably, the outside activity cover of embedding pipe is equipped with the joint post, and fixedly connected with joint spring between embedding pipe and the joint post, the inside of bell and spigot joint pipe is seted up with joint post assorted guide way.

Preferably, the guide way is U-shaped, and the inside of guide way is seted up and is the joint groove of L shape, the degree of depth in joint groove is greater than the degree of depth of guide way.

Preferably, the outer part of the embedded pipe is fixedly provided with a limiting ring, and the outer part of the sleeve pipe is provided with a baffle matched with the embedded pipe.

Preferably, the outer part of the righting pipe is fixedly sleeved with a buffer belt positioned between the movable plates, and the buffer belt is made of hard rubber.

Preferably, the top end of the fixed sleeve head is provided with an arc-shaped inclined plane, and the outside of the fixed sleeve head is provided with uniformly distributed detecting heads.

The invention provides a packer for oil exploitation, which has the following beneficial effects:

1. this packer for oil development, cooperation through attach fitting and spread groove and coupling spring and connecting block is used, make this packer for oil development can insert the inside of connecting pipe with attach fitting under the effect of action bars, simultaneously for the attach fitting circular telegram, produce suction after the attach fitting circular telegram and follow the inside suction of connecting pipe and make the inside of connecting block embedding spread groove with the connecting block, later just can drive the connecting pipe through the pulling action bars and carry out the removal of packer, need to finish the circular telegram when taking out attach fitting from the inside of packer, the connecting block resets under the effect of coupling spring elasticity, remove being connected between attach fitting and the connecting pipe, make this packer for oil development can be convenient the removal of control packer.

2. This packer for oil development, use through the cooperation of rubber bag and inserted tube and sleeve pipe and joint post, make this packer for oil development sink to the shutoff position when, the inserted tube can slide and drive the joint post in the inside of sleeve pipe and remove, extrude the rubber bag when inserted tube and sleeve pipe slip each other, make the rubber bag produce deformation, the joint post slides and when moving to the guide way bottom with the guide way joint in the inside of guide way simultaneously, thereby it is fixed with the sleeve pipe to insert the pipe, the rubber bag keeps deformation state to accomplish shutoff work simultaneously, make this packer for oil development can the efficient accomplish the shutoff work to the oil well.

3. This packer for oil development, use through the cooperation of righting the pipe and righting spring and fly leaf and ball, make this packer for oil development when the well removes, the surface and the wall of a well contact of ball exert pressure to the fly leaf, it contracts under the pressure effect of fly leaf to right the spring, thereby make fly leaf and ball can keep the contact with the wall of a well under the effect of righting spring elasticity, right this packer for oil development, thereby reduce the friction between righting the pipe and the wall of a well under the prerequisite of guaranteeing to right the effect, the life of extension packer.

Drawings

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

FIG. 2 is a schematic view of the exterior of the present invention;

FIG. 3 is a schematic view of the inside of the connecting tube according to the present invention;

FIG. 4 is a schematic view of the inside of the socket pipe according to the present invention;

FIG. 5 is a schematic view of the interior of the centralizer according to the invention;

fig. 6 is a schematic structural view of the guide groove of the present invention.

In the figure: 1. a connecting pipe; 2. a rubber bladder; 3. an insert tube; 4. sleeving a pipe; 5. a probe head; 6. fixing the sleeve head; 7. a movable plate; 8. a buffer zone; 9. a ball bearing; 10. connecting a stud; 11. an operating lever; 12. connecting a joint; 13. connecting grooves; 14. a righting pipe; 15. a guide groove; 16. clamping a spring; 17. a clamping column; 18. a centering spring; 19. a connecting spring; 20. and (4) connecting the blocks.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: a packer for oil exploitation comprises a connecting pipe 1 and an operating rod 11, an embedded pipe 3 is fixedly sleeved at the right end of the connecting pipe 1, a rubber bag 2 is fixedly sleeved outside the embedded pipe 3, a sleeve pipe 4 is movably sleeved on the side of the embedded pipe 3, a limiting ring is fixedly installed outside the embedded pipe 3, a baffle plate matched with the embedded pipe 3 is arranged outside the sleeve pipe 4, the limiting ring arranged outside the embedded pipe 3 and the baffle plate arranged outside the sleeve pipe 4 can prevent the embedded pipe 3 and the sleeve pipe 4 from being separated in the using process of the packer, so that the embedded pipe 3 and the sleeve pipe 4 can meet the basic working requirements of the packer, a clamping column 17 is movably sleeved outside the embedded pipe 3, a clamping spring 16 is fixedly connected between the embedded pipe 3 and the clamping column 17, a guide groove 15 matched with the clamping column 17 is formed inside the sleeve pipe 4, after the packer moves to a plugging position, the connecting pipe 1 is continuously pressed by the connecting joint 12 and extrudes the embedded pipe 3, the embedded pipe 3 slides in the sleeve joint pipe 4 and drives the clamping column 17 to move, the embedded pipe 3 and the sleeve joint pipe 4 are extruded when sliding mutually to enable the rubber bag 2 to deform, meanwhile, the clamping column 17 slides in the guide groove 15 and is clamped with the guide groove 15 when moving to the bottom of the guide groove 15, so that the embedded pipe 3 and the sleeve joint pipe 4 are fixed, meanwhile, the rubber bag 2 keeps a deformation state to complete the plugging work, the guide groove 15 is U-shaped, the inside of the guide groove 15 is provided with an L-shaped clamping groove, the depth value of the clamping groove is larger than that of the guide groove 15, the guide groove 15 is used for providing guidance for the movement of the clamping column 17 in the sleeve joint pipe 4, when the clamping column 17 slides to the bottom of the guide groove 15, the clamping column 17 is embedded in the clamping groove under the action of the elasticity of the fixed sleeve head 6, thereby fixing the embedded pipe 3 and the sleeve pipe 4, when the movable plate 7 is acted by a large enough pulling force, the movable plate 7 slides into the inside of the clamping groove under the action of the arc-shaped curved surface of the movable plate 7, the fixation of the embedded pipe 3 and the sleeve pipe 4 is released, the right side thread of the sleeve pipe 4 is sleeved with the righting pipe 14, the movable plate 7 which is uniformly distributed is movably arranged outside the righting pipe 14, the connecting stud 10 is fixedly sleeved at both ends of the righting pipe 14, the outer thread of the right side connecting stud 10 is sleeved with the fixed sleeve head 6, the top end of the fixed sleeve head 6 is provided with the arc-shaped inclined surface, the detecting heads 5 which are uniformly distributed are arranged outside the fixed sleeve head 6, the arc-shaped curved surface arranged at the top end of the fixed sleeve head 6 can reduce the resistance force of the fixed sleeve head 6 when moving, the fixed sleeve head 6 can detect the position where the packer is located through the detecting heads 5, when the packer moves to the plugging position, the fixed sleeve head 6 can fix the packer in the well, the principle and the using process of the fixed sleeve head 6 and the detecting head 5 are the same as those of the prior art, and are not repeated herein, the outer movable sleeve of the movable plate 7 is provided with evenly distributed balls 9, the righting spring 18 is fixedly connected between the movable plate 7 and the righting pipe 14, the outer fixed sleeve of the righting pipe 14 is provided with a buffer belt 8 positioned between the movable plates 7, the buffer belt 8 is made of hard rubber, the buffer belt 8 fixedly sleeved outside the righting pipe 14 can effectively protect the righting pipe 14, when the movable plate 7 and the balls 9 are completely retracted into the inner part of the righting pipe 14, the buffer belt 8 can be released from the inner wall of the oil well, the righting pipe 14 is prevented from being worn, in order to prevent the well wall from being damaged, therefore, the buffer belt 8 is made of hard rubber, the tail end of the operating rod 11 is fixedly sleeved with a connecting joint 12, the connecting joint 12 is externally provided with a connecting groove 13, the connecting pipe 1 is movably sleeved with connecting blocks 20 which are uniformly distributed, a connecting spring 19 is fixedly connected between the connecting pipe 1 and the connecting blocks 20, the connecting blocks 20 can slide in the connecting pipe 1, the connecting blocks 20 can drive the connecting springs 19 to be stretched or compressed when sliding, when the connecting blocks 20 are not acted by other forces, the connecting blocks 20 can keep a fixed position under the action of the elastic force of the connecting springs 19, the connecting pipe 1 is made of nonmagnetic alloy, the connecting blocks 20 and the connecting groove 13 are matched with each other, the connecting blocks 20 are made of magnetic metal, a worker can insert the connecting joint 12 into the connecting pipe 1 and electrify the connecting joint 12, the connecting joint 12 generates suction force after being electrified to suck the connecting blocks 20 out from the connecting pipe 1 and enable the connecting blocks 20 to be embedded into the connecting groove 13, make between coupling 12 and the connecting pipe 1 be connected, later just can drive connecting pipe 1 through pulling action bars 11 and carry out the removal of packer, when needing to take out coupling 12 from the inside of packer, the end circular telegram, connecting block 20 resets under the effect of connecting spring 19 elasticity, removes the connection between coupling 12 and the connecting pipe 1, and connecting pipe 1 adopts no magnetic alloy to make and can avoid producing the interference to coupling 12's work.

In conclusion, when the packer for oil exploitation is used, the connecting joint 12 is inserted into the connecting pipe 1, the connecting joint 12 is electrified, the connecting joint 12 generates suction force after being electrified to suck the connecting block 20 out of the connecting pipe 1 and enable the connecting block 20 to be embedded into the connecting groove 13, then the packer can be driven to move in an oil well by pushing the operating rod 11, the outer surface of the ball 9 is in contact with a well wall and applies pressure to the movable plate 7, the righting spring 18 contracts under the pressure of the movable plate 7, the movable plate 7 and the ball 9 are kept in contact with the well wall under the elastic force of the righting spring 18 to right the packer, when the packer moves to a plugging position, the fixed sleeve 6 is started to fix the packer, the connecting joint 12 continuously extrudes the connecting pipe 1, the embedded pipe 3 moves along with the connecting pipe 1, and the embedded pipe 3 slides in the inner part of the sleeve pipe 4 and drives the clamping column 17 to move, when the embedded pipe 3 and the sleeve pipe 4 slide mutually, the rubber bag 2 is extruded, the rubber bag 2 deforms, meanwhile, the clamping column 17 slides in the guide groove 15 and is clamped with the guide groove 15 when moving to the bottom of the guide groove 15, the embedded pipe 3 and the sleeve pipe 4 are fixed, meanwhile, the rubber bag 2 keeps a deformation state to finish plugging work, power supply to the connecting joint 12 is removed, the connecting block 20 resets under the action of elastic force of the connecting spring 19, the operating rod 11 and the connecting joint 12 are drawn out to finish plugging work, when the packer needs to be taken out, the connecting joint 12 is inserted into the connecting pipe 1 again, meanwhile, the connecting joint 12 is electrified, the connecting pipe 1 is sleeved with the connecting joint 12 again, the operating rod 11 is pulled to drive the connecting pipe 1 and the embedded pipe 3 to move, the clamping column 17 retracts into the inner part of the embedded pipe 3 through the arc-shaped curved surface at the tail end of the clamping column 17 after being subjected to enough tensile force and, relieve the fixed of imbedding pipe 3 and bell and spigot joint pipe 4, rubber bag 2 resets under the effect of self elasticity, relieves the shutoff to the oil well, and pulling action bars 11 collects the packer, accomplishes the use of whole packer for oil development, can.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A packer for oil extraction, includes connecting pipe (1) and action bars (11), its characterized in that: an embedded pipe (3) is fixedly sleeved at the right end of the connecting pipe (1), a rubber bag (2) is fixedly sleeved outside the embedded pipe (3), a sleeve pipe (4) is movably sleeved on the side of the embedded pipe (3), a righting pipe (14) is sleeved on the right side of the sleeve pipe (4) in a threaded manner, the outside of the righting pipe (14) is movably provided with movable plates (7) which are uniformly distributed, and both ends of the righting pipe (14) are fixedly sleeved with connecting studs (10), the external threads of the connecting studs (10) on the right side are sleeved with fixed sleeve heads (6), the outside of the movable plate (7) is movably sleeved with balls (9) which are uniformly distributed, a righting spring (18) is fixedly connected between the movable plate (7) and the righting pipe (14), the tail end of the operating rod (11) is fixedly sleeved with a connecting joint (12), and a connecting groove (13) is formed in the outer portion of the connecting joint (12).

2. The packer for oil extraction according to claim 1, wherein: the connecting pipe is characterized in that connecting blocks (20) which are uniformly distributed are movably sleeved in the connecting pipe (1), and a connecting spring (19) is fixedly connected between the connecting pipe (1) and the connecting blocks (20).

3. The packer for oil extraction according to claim 2, wherein: the connecting pipe (1) is made of nonmagnetic alloy, the connecting block (20) and the connecting groove (13) are matched with each other, and the connecting block (20) is made of magnetic metal.

4. The packer for oil extraction according to claim 1, wherein: the outside activity cover of embedded pipe (3) is equipped with joint post (17), and fixedly connected with joint spring (16) between embedded pipe (3) and joint post (17), the inside of bell and spigot joint pipe (4) is seted up with joint post (17) assorted guide way (15).

5. The packer for oil extraction according to claim 4, wherein: guide way (15) are the U-shaped, and the inside of guide way (15) is seted up and is the joint groove of L shape, the degree of depth in joint groove is greater than the degree of depth of guide way (15).

6. The packer for oil extraction according to claim 1, wherein: the outside fixed mounting of embedding pipe (3) has the spacing ring, the outside of bell and spigot pipe (4) is provided with the baffle that matches with embedding pipe (3).

7. The packer for oil extraction according to claim 1, wherein: the outer part of the righting pipe (14) is fixedly sleeved with a buffer belt (8) located between the movable plates (7), and the buffer belt (8) is made of hard rubber.

8. The packer for oil extraction according to claim 1, wherein: the top end of the fixed sleeve head (6) is provided with an arc-shaped inclined plane, and the outside of the fixed sleeve head (6) is provided with uniformly distributed detecting heads (5).