CN217925787U

CN217925787U - Adjustable workover tool

Info

Publication number: CN217925787U
Application number: CN202222183566.5U
Authority: CN
Inventors: 田松; 王博; 宋建国
Original assignee: DAQING JINGTAI PETROLEUM ENGINEERING TECHNOLOGY CO LTD
Current assignee: DAQING JINGTAI PETROLEUM ENGINEERING TECHNOLOGY CO LTD
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-11-29
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses an adjustable workover tool, including cone, conical head and reinforcing mechanism, the conical head is installed at the cone top, and the conical head diameter is from the top down grow gradually, makes things convenient for the conical head to make a knot with the pipe class junk of different sizes and is connected, makes things convenient for pipe class junk to fish out and the minor repair maintenance work to the oil gas well, the conical head surface is provided with the screw thread along its direction of height, reinforcing mechanism installs in the cone both sides, and reinforcing mechanism can play the support reinforcement effect to pipe class junk and conical head knot making department; the utility model discloses a combine cone, conical head and strengthening mechanism, neither influence the conical head and the pipe class junk is made the knot and is connected and salvage work, can further compress tightly fixedly again to the pipe class junk, increase the two and make the knot and connect fastening nature and receive external force to the pipe class junk and share, reduce the two and make knot department because external force screw thread degree of wear, increase screw thread life on the conical head indirectly, and the distance between two pressure strips is adjustable.

Description

Adjustable workover tool

Technical Field

The utility model belongs to the technical field of the workover tool, concretely relates to workover tool with adjustable is a public awl that workover used with adjustable very much.

Background

Oil and gas wells typically undergo simple workover, maintenance operations, also known as workover operations. Its main content has: the method comprises the following steps of sand washing and pump checking, paraffin removal and pump checking, simple falling object salvaging, underground pipe column or underground tool replacing, cementing, pressure measuring, water blocking, water injection well testing, blending and the like. One of the tools used in minor repair of the oil and gas well is a male cone, and the male cone has a high fishing success rate for the pipe falling objects with the coupling. The small repair maintenance of the oil and gas well is realized by salvaging the pipe falling objects, and the factors for normal use of the oil and gas well are reduced.

After some existing male cones are connected with pipe falling objects in a buckling mode, thread abrasion is possibly aggravated at the buckling positions of the existing male cones and the pipe falling objects in the moment along with pulling of external force, the service life of threads on the male cones is shortened, the problem that the clamping distance of the existing male cones to the pipe falling objects is inconvenient to adjust exists, and therefore an adjustable workover tool is provided for the reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a workover rig with adjustable to the problem of the wearing and tearing of screw thread between the two probably aggravates when the public awl of proposing is buckled with the pipe type in solving above-mentioned background art and is connected.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a workover tool with adjustable, includes cone, conical head and strengthening mechanism, the conical head is installed at the cone top, and the conical head diameter makes things convenient for the conical head to detain with unidimensional pipe class junk from last down and is connected, makes things convenient for pipe class junk to be fished out and maintains the work to the minor repair of oil gas well, the conical head surface is provided with the screw thread along its direction of height, strengthening mechanism installs in the cone both sides, and strengthening mechanism can play the support reinforcing effect to pipe class junk and conical head knot department, increases the two junction bearing capacity simultaneously and reduces the junction wearing and tearing, strengthening mechanism includes rectangular hole, electric jar, pressure strip, tooth and installation component, the inside rectangular hole that is provided with of cone, two the electric jar is fixed back in the rectangular hole, two Z types the pressure strip is located the conical head both sides respectively, be provided with the installation component between pressure strip lower extreme and the electric jar, distance between two pressure strips can be adjusted according to pipe class junk size, pressure strip upper end internal surface evenly is provided with many teeth.

Preferably, the mounting assembly comprises a piston rod, a through hole and a connecting bolt, a plurality of mounting holes are formed in the surface of the lower end of the pressure plate along the height direction of the pressure plate, the piston rod is movably mounted in the electric cylinder, the outer end of the piston rod penetrates through the mounting holes and is exposed to the outside, and the piston rod can extend out or retract to drive the pressure plate to move.

Preferably, the front surface of the pressure plate is provided with a through hole communicated with the mounting hole along the height direction, the connecting bolt can be connected with the through holes at different positions, and the connecting bolt penetrates through the through hole to be in threaded connection with the piston rod, so that the piston rod is fixedly connected with the pressure plate.

Preferably, the right-angle side in the pressure strip is provided with the strengthening rib, increases pressure strip working strength, be provided with the reinforcing plate between electric jar rear surface and the rectangle downthehole wall.

Preferably, the cone lower extreme is provided with external drilling rod, and is provided with coupling assembling between the two, coupling assembling includes clamp, gusset plate and flange, two the flange is fixed on cone lower extreme right side, the clamp cover is established and is installed on external drilling rod, realizes the detachable connection of the two.

Preferably, the L type gusset plate one end is rotated and is installed between two flange, the gusset plate other end is fixed in the clamp side, and the gusset plate both can play the connection reinforcement effect to external drilling rod and cone junction, the convenient mounted position who changes the clamp that rotates again, the right-angle side is provided with the gusset plate in the gusset plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a combine cone, conical head and strengthening mechanism, neither influence the conical head and the pipe class junk is made and is detained and be connected and salvage work, can further compress tightly fixedly again the pipe class junk, increases the two and makes to detain connection fastening nature and receive external force to the pipe class junk and share, reduces the two and makes knot department because external force screw thread degree of wear, indirectly increases screw thread life on the conical head, and the distance between two pressure strips is adjustable.

(2) The utility model discloses a be provided with coupling assembling, neither influence public awl and external drilling rod erection joint, multiplicable the two installation fastening nature again increases the two junction bearing capacity, reduces the two junction and appear becoming flexible and influence the probability of connecting fastening nature.

Drawings

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

FIG. 2 is a schematic structural view of the reinforcing mechanism of the present invention;

FIG. 3 is a schematic view of the mounting assembly of the present invention;

fig. 4 is a schematic structural view of the connection assembly of the present invention;

in the figure: 1. a cone; 2. a conical head; 3. a reinforcement mechanism; 31. a rectangular hole; 32. an electric cylinder; 33. a compression plate; 34. teeth; 35. mounting the component; 351. a piston rod; 352. perforating; 353. a connecting bolt; 4. externally connecting a drill rod; 5. a connecting assembly; 51. clamping a hoop; 52. a reinforcing plate; 53. a convex plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a workover tool with adjustable, including cone 1, conical head 2 and strengthening mechanism 3, conical head 2 is installed at 1 top of cone, conical head 2 surface is provided with the screw thread along its direction of height, conical head 2 can make the knot with the pipe class junk in the oil gas well and be connected, make things convenient for salvage pipe class junk to carry out minor repair maintenance work to the oil gas well, strengthening mechanism 3 installs in 1 both sides of cone, strengthening mechanism 3 includes rectangular hole 31, electric cylinder 32, pressure strip 33, tooth 34 and installation component 35, cone 1 is inside to be provided with rectangular hole 31, make things convenient for the installation of electric cylinder 32, two electric cylinders 32 are fixed in rectangular hole 31 dorsad, two Z type pressure strips 33 are located conical head 2 both sides respectively, length between two pressure strips 33 is adjustable, be provided with installation component 35 between pressure strip 33 lower extreme and the electric cylinder 32, pressure strip 33 upper end internal surface evenly is provided with a plurality of tooth 34, tooth 34 can with pipe class junk external surface contact, through with cone 1, share conical head 2 and strengthening mechanism 3 combination, neither influence conical head 2 and pipe class junk make the connection and pipe class junk and work, the increase the external force of further increase the fishing and make the external force and increase the fishing and increase the external force and increase the thread and make the external force of the two, the fishing and increase the external force and increase the fishing and the external force of the fishing and the external force.

In this embodiment, preferably, the mounting assembly 35 includes a piston rod 351, a through hole 352 and a connecting bolt 353, a plurality of mounting holes are formed in the lower end surface of the pressure plate 33 along the height direction of the pressure plate, the piston rod 351 can be connected with the mounting holes with different heights, the piston rod 351 is movably mounted in the electric cylinder 32, the outer end of the piston rod 351 penetrates through the mounting holes and is exposed outside, the through hole 352 communicated with the mounting holes is formed in the front surface of the pressure plate 33 along the height direction of the pressure plate 33, the connecting bolt 353 penetrates through the through hole 352 and is in threaded connection with the piston rod 351, the height position of the pressure plate 33 can be adjusted according to the size of the conical head 2 by virtue of the mounting assembly 35, the pressure plate 33 and the pipe falling objects can be conveniently compressed, the frictional resistance between the pressure plate 33 and the pipe falling objects is increased, and the pipe falling objects are supported and shared by external force.

In this embodiment, preferably, the right-angle surface in the pressure strip 33 is provided with a reinforcing rib, and a reinforcing plate is arranged between the rear surface of the electric cylinder 32 and the inner wall of the rectangular hole 31, so that the mounting strength of the electric cylinder and the reinforcing plate is improved.

In this embodiment, it is preferred, 1 lower extreme of cone is provided with external drilling rod 4, and be provided with coupling assembling 5 between the two, coupling assembling 5 includes clamp 51, gusset plate 52 and flange 53, two flange 53 are fixed on 1 lower extreme right side of cone, clamp 51 cover is established and is installed on external drilling rod 4, the two is easy to assemble or dismantle, the gusset plate 52 one end of L type is rotated and is installed between two flange 53, the gusset plate 52 other end is fixed in clamp 51 side, right-angle side is provided with the reinforcing plate in the gusset plate 52, through being provided with coupling assembling 5, neither influence public awl and external drilling rod 4 erection joint, multiplicable two installation fastening nature again, increase two junction bearing capacity, reduce the probability that two junctions appear not hard up and influence connection fastening nature.

The utility model discloses well electric jar 32's model is HE180.

The utility model discloses a theory of operation and use flow: the utility model discloses when using, the public awl is connected fixedly with external drilling rod 4, clamp 51 fastening cover is established on external drilling rod 4, make things convenient for the public awl to rotate along with external drilling rod 4, when the tube class junk in conical head 2 and the oil gas well is buckled, two electric cylinder 32 simultaneous working, the piston rod 351 that stretches out begins the withdrawal, drive two pressure strip 33 relative movement, until tooth 34 and tube class junk surface contact, and pressure strip 33 and tooth 34 have relative packing force to the tube class junk, it connects the fastening nature with conical head 2 knot to increase the tube class junk, along with external drilling rod 4 moves outward, can drive public awl and tube class junk and outwards remove together and take out, realize the minor overhaul maintenance to the oil gas well, make things convenient for the follow-up use of oil gas well, through with cone 1, cone 2 and reinforcing mechanism 3 combine, neither influence cone 2 and tube class junk and make the knot and be connected and salvage work, can further compress tightly fixedly again the tube class junk, increase the two and make the fastening nature and receive external force because of external force to the knot department and carry out, reduce the two and make external force and wear and increase the screw thread distance between the conical head 33, and increase the adjustable service life.

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. The utility model provides a workover tool with adjustable, includes cone (1), conical head (2) and strengthening mechanism (3), conical head (2) are installed at cone (1) top, conical head (2) surface is provided with screw thread, its characterized in that along its direction of height: reinforcing mechanism (3) are installed in cone (1) both sides, reinforcing mechanism (3) include rectangular hole (31), electricity jar (32), pressure strip (33), tooth (34) and installation component (35), cone (1) inside is provided with rectangular hole (31), two electricity jar (32) are fixed in rectangular hole (31) to the back, two Z types pressure strip (33) are located conical head (2) both sides respectively, be provided with installation component (35) between pressure strip (33) lower extreme and electricity jar (32), pressure strip (33) upper end internal surface evenly is provided with a plurality of teeth (34).

2. An adjustable workover tool according to claim 1, wherein: the mounting assembly (35) comprises a piston rod (351), a through hole (352) and a connecting bolt (353), a plurality of mounting holes are formed in the lower end surface of the pressing plate (33) along the height direction of the pressing plate, the piston rod (351) is movably mounted in the electric cylinder (32), and the outer end of the piston rod (351) penetrates through the mounting holes and is exposed to the outside.

3. An adjustable workover tool according to claim 2, wherein: the front surface of the pressing plate (33) is provided with a through hole (352) communicated with the mounting hole along the height direction, and the connecting bolt (353) penetrates through the through hole (352) to be in threaded connection with the piston rod (351).

4. An adjustable workover tool according to claim 1, wherein: the right-angle surface in the pressure strip (33) is provided with a reinforcing rib, and a reinforcing plate is arranged between the rear surface of the electric cylinder (32) and the inner wall of the rectangular hole (31).

5. An adjustable workover tool according to claim 1 wherein: cone (1) lower extreme is provided with external drilling rod (4), and is provided with coupling assembling (5) between the two, coupling assembling (5) are including clamp (51), gusset plate (52) and flange (53), two flange (53) are fixed on cone (1) lower extreme right side, clamp (51) cover is established and is installed on external drilling rod (4).

6. An adjustable workover tool according to claim 5 wherein: l type gusset plate (52) one end is rotated and is installed between two flange (53), gusset plate (52) other end is fixed in clamp (51) side, the right angle face is provided with the reinforcing plate in gusset plate (52).