CN213235008U

CN213235008U - Packer for oil field exploitation with good durability

Info

Publication number: CN213235008U
Application number: CN202022084617.XU
Authority: CN
Inventors: 阚红砖; 阚正玉
Original assignee: Tianjin Huizhu Petroleum Equipment Technology Co ltd
Current assignee: Tianjin Huizhu Petroleum Equipment Technology Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-18
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to a packer technical field, and a packer for oil field exploitation that durability is good is disclosed, including the packer, the upper and lower both ends of packer all fixed cup joints the fixed block, the both sides of two fixed blocks are all fixed and are equipped with first U-shaped piece, two first U-shaped pieces all are connected with the second U-shaped piece through the pivot rotation, the bottom of two second U-shaped pieces of top is all fixed and is equipped with first arc, the top of two second U-shaped pieces of below is all fixed and is equipped with the second arc, the spout has been seted up to the internal surface upper end of two second arcs, all be provided with in two spouts and remove telescopic machanism, the logical groove of bar has all been seted up to the both sides of two second arcs, the surface lower extreme of two first arcs all is provided with. The utility model discloses can carry out effectual protection that blocks to the surface of packer when the packer uses.

Description

Packer for oil field exploitation with good durability

Technical Field

The utility model relates to a packer technical field especially relates to a packer is used in oil field exploitation that durability is good.

Background

A packer refers to a downhole tool having an elastic sealing element to thereby seal off annular spaces between strings of various sizes and between well bores and between strings, and isolate producing zones to control production fluids and protect casing, and is widely used in existing oil field exploitation.

The conventional packer is located inside an oil well when in use, so that the conventional packer can be corroded by oil stains and other substances when in use, and can be impacted by foreign objects when in use, so that the outer surface of the conventional packer is damaged, and the service life of the conventional packer is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art packer when oil field exploitation used, the surface does not obtain good protection for the problem that life reduces, and the good packer is used in oil field exploitation of a durability that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a packer for oil field exploitation that durability is good, includes the packer, the upper and lower both ends of packer all fixed cup joint have a fixed block, two the both sides of fixed block are all fixed and are equipped with first U-shaped piece, two first U-shaped piece all rotates through the pivot and is connected with second U-shaped piece, two in the top the bottom of second U-shaped piece is all fixed and is equipped with first arc, two in the below the top of second U-shaped piece is all fixed and is equipped with second arc, two the spout has been seted up to the internal surface upper end of second arc, two all be provided with in the spout and remove telescopic machanism, two the bar is led to the groove has all been seted up to the both sides of second arc, two the surface lower extreme of first arc all is provided with coupling mechanism.

Preferably, the movable telescopic mechanism comprises a third arc-shaped plate, a telescopic rod and a first spring are fixedly arranged at the bottom of the groove wall of the sliding groove, the third arc-shaped plate is in contact connection with the groove wall of the sliding groove, the bottom of the third arc-shaped plate is fixedly connected with the top of the telescopic rod and the top of the first spring, the first spring and the telescopic rod are sleeved, the upper end of the third arc-shaped plate is in contact connection with the inner surface of the first arc-shaped plate, and a plurality of slots are formed in the side wall of the third arc-shaped plate.

Preferably, coupling mechanism includes inserted block, pull rod and second spring, the pull rod slides with first arc and cup joints, and one end extend to in the first arc and with the fixed setting of inserted block, the inserted block is pegged graft with the slot, the fixed limiting plate that is equipped with of the other end of pull rod, the second spring cup joints with the pull rod, and both ends respectively with limiting plate and first arc fixed connection.

Preferably, two both sides are all fixed and are equipped with first connecting plate around the surface of first arc, adjacent two first connecting plate is through first bolt threaded connection, two both sides are all fixed and are equipped with the second even board around the surface of second arc, adjacent two the second even board is through second bolt threaded connection.

Preferably, the outer surfaces of the two third arc-shaped plates are fixedly provided with pressing blocks, and the pressing blocks are in contact connection with the groove walls of the strip-shaped through grooves.

Preferably, pull rings are fixedly arranged on the other sides of the two limiting plates.

Compared with the prior art, the utility model provides a packer is used in oil field exploitation that durability is good possesses following beneficial effect:

1. this long service life's oil field is opened and is adopted packer through the first arc that is equipped with, second arc and third arc and remove telescopic machanism, can carry out effectual protection to the surface of packer according to the length of packer.

2. This long service life's oil field is opened and is adopted the packer, through the coupling mechanism who is equipped with, carries out the chucking to first arc and third arc and connects.

3. This long service life's oil field is opened and is adopted packer, through the first even board, first bolt and the even board of second, the second bolt that are equipped with, carries out zonulae occludens to two first arcs and two second arcs.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can carry out effectual the protection that blocks to the surface of packer when the packer uses to the protection packer does not receive the influence of external factor, thereby has improved the life of packer.

Drawings

Fig. 1 is a schematic structural diagram of a packer for oil field exploitation with good durability provided by the utility model;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged view of a portion B of FIG. 2;

fig. 5 is an enlarged view of a portion C of fig. 2.

In the figure: 1 packer, 2 fixed blocks, 3 first U-shaped piece, 4 second U-shaped pieces, 5 first arc, 6 second arc, 7 third arc, 8 telescopic link, 9 first spring, 10 inserted blocks, 11 pull rods, 12 second springs, 13 limiting plates, 14 first connecting plates, 15 first bolts, 16 second connecting plates, 17 second bolts, 18 pressing blocks and 19 pull rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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, and 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a packer for oil field exploitation that durability is good, including packer 1, packer 1's upper and lower both ends are all fixed to have cup jointed fixed block 2, the both sides of two fixed blocks 2 are all fixed and are equipped with first U-shaped piece 3, two first U-shaped pieces 3 all are connected with second U-shaped piece 4 through the pivot rotation, the bottom of two second U-shaped pieces 4 in the top is all fixed and is equipped with first arc 5, the top of two second U-shaped pieces 4 in the below is all fixed and is equipped with second arc 6, the spout has been seted up to the internal surface upper end of two second arcs 6, all be provided with the removal telescopic machanism in two spouts, the bar is led to the groove has all been seted up to the both sides of two second arcs 6, the surface lower extreme of two first arcs 5.

Remove telescopic machanism and include third arc 7, the fixed telescopic link 8 and the first spring 9 that is equipped with in cell wall bottom of spout, third arc 7 is connected with the cell wall contact of spout, and the top fixed connection of bottom and telescopic link 8 and first spring 9, first spring 9 and telescopic link 8 cup joint, the upper end of third arc 7 is connected with the internal surface contact of first arc 5, a plurality of slots have been seted up to the lateral wall of third arc 7, can adjust the position of third arc 7 according to packer 1's length through setting up telescopic link and first spring 9.

Coupling mechanism includes inserted block 10, pull rod 11 and second spring 12, and pull rod 11 cup joints with 5 slip of first arc, and one end extends to in 5 first arc and with the fixed setting of inserted block 10, and inserted block 10 is pegged graft with the slot, and the other end of pull rod 11 is fixed and is equipped with limiting plate 13, sets up limiting plate 13 and carries out fixed connection to second spring 12, and second spring 12 cup joints with pull rod 11, and both ends respectively with limiting

plate

13 and 5 fixed connection of first arc.

Both sides are all fixed and are equipped with first even board 14 around the surface of two first arcs 5, two adjacent first even boards 14 are through 15 threaded connection of first bolt, both sides are all fixed and are equipped with second even board 16 around the surface of two second arcs 6, two adjacent second even boards 16 are through 17 threaded connection of second bolt, it is fixed to connect two first arcs 5 and two second arcs 6 through first even board 14 and first bolt 15 and second even board 16 and second bolt 17, the surface of two third arcs 7 is all fixed and is equipped with according to briquetting 18, it is convenient for remove third arc 7 to set up according to briquetting 18, it is connected with the cell wall contact that the groove was led to the bar according to briquetting 18, the opposite side of two limiting plates 13 is all fixed and is equipped with pull ring 19, it is convenient for spur to insert piece 10 to set up pull ring 19.

In the utility model, when the packer 1 is protected, firstly the packer 1 is put at a specific position for use, then the two first arc-shaped plates 5 and the second arc-shaped plates 6 are rotated through the relative rotation of the first U-shaped block 3 and the second U-shaped block 4, the outer part of the packer 1 is wrapped, then the two first connecting plates 14 and the second connecting plates 16 are connected through the first bolt 15 and the second bolt 17 respectively, so that the positions of the first arc-shaped plates 5 and the second arc-shaped plates 6 can be fixed, then the pull ring 19 is pulled, the pull rod 11 drives the insert block 10 to pull out the first arc-shaped plates 5, the second springs 12 are stretched, then the upper moving block 18 is moved up to slide in the strip-shaped through groove, the third arc-shaped plates 7 are pulled, so that the first springs 9 and the telescopic rods 8 are stretched, when the top of the third arc-shaped plates 7 is positioned in the first arc-shaped plates 5, and the pull ring 19 is loosened, and the inserting block 10 is restored and driven to be inserted into the inserting groove in the side wall of the third arc-shaped plate 7 through the elastic force of the second spring 12, so that the position of the third arc-shaped plate 7 is determined and the packer 1 is protected.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A packer for oil field exploitation with good durability comprises a packer (1) and is characterized in that, the packer is characterized in that the upper end and the lower end of the packer (1) are fixedly sleeved with fixing blocks (2) and are connected with two fixing blocks (2) and two fixing blocks (3) and two fixing blocks are arranged on two sides of the fixing blocks (2) respectively, the first U-shaped blocks (3) are connected with two second U-shaped blocks (4) in a rotating mode through shaft pins, the upper portions of the first U-shaped blocks (3) are fixedly provided with first arc-shaped plates (5) and two lower portions of the first U-shaped blocks (4), the top portions of the second U-shaped blocks (4) are fixedly provided with second arc-shaped plates (6) and two sliding grooves are formed in the upper ends of the inner surfaces of the second arc-shaped plates (6), a movable telescopic mechanism is arranged in each sliding groove, the two bar-shaped through grooves are formed in two sides of the second.

2. The packer for oil field exploitation with good durability according to claim 1, wherein the movable telescoping mechanism comprises a third arc-shaped plate (7), a telescoping rod (8) and a first spring (9) are fixedly arranged at the bottom of the groove wall of the sliding groove, the third arc-shaped plate (7) is in contact connection with the groove wall of the sliding groove, the bottom of the third arc-shaped plate is fixedly connected with the top of the telescoping rod (8) and the top of the first spring (9), the first spring (9) is in sleeve connection with the telescoping rod (8), the upper end of the third arc-shaped plate (7) is in contact connection with the inner surface of the first arc-shaped plate (5), and a plurality of slots are formed in the side wall of the third arc-shaped plate (7).

3. The packer for oil field exploitation with good durability according to claim 1, wherein the connecting mechanism comprises an insert block (10), a pull rod (11) and a second spring (12), the pull rod (11) is slidably sleeved with the first arc-shaped plate (5), one end of the pull rod extends into the first arc-shaped plate (5) and is fixedly arranged with the insert block (10), the insert block (10) is inserted into the slot, a limiting plate (13) is fixedly arranged at the other end of the pull rod (11), the second spring (12) is sleeved with the pull rod (11), and two ends of the second spring are fixedly connected with the limiting plate (13) and the first arc-shaped plate (5) respectively.

4. The packer for oil field exploitation with good durability according to claim 1, wherein first connecting plates (14) are fixedly arranged on the front side and the rear side of the outer surface of each of the two first arc-shaped plates (5), every two adjacent first connecting plates (14) are in threaded connection through a first bolt (15), every two adjacent second connecting plates (16) are fixedly arranged on the front side and the rear side of the outer surface of each of the two second arc-shaped plates (6), and every two adjacent second connecting plates (16) are in threaded connection through a second bolt (17).

5. The packer for oil field exploitation with good durability as claimed in claim 2, wherein pressing blocks (18) are fixed on the outer surfaces of the two third arc-shaped plates (7), and the pressing blocks (18) are in contact connection with the groove walls of the strip-shaped through grooves.

6. A durable packer for oil field exploitation according to claim 3, wherein a pull ring (19) is fixed on the other side of each of the two limit plates (13).