CN206617120U - Steel wire rope conglomeration fishing socket - Google Patents

Abstract

The utility model discloses a kind of steel wire rope conglomeration fishing socket, belong to oil recovery workover tool technical field.The steel wire rope conglomeration fishing socket includes：Axially connecting top connection and cylinder, multiple interior coupler bodies are provided with the inner barrel；And end of the cylinder away from the top connection is formed with hook-shaped guide shoe, and coupler body outside at least two is provided with the guide shoe.Steel wire rope conglomeration when in use, is introduced inner barrel, and wind with the interior coupler body of inner barrel by the steel wire rope conglomeration fishing socket using guide shoe；The non-preformed wire rope of steel wire rope conglomeration afterbody is wound on outer coupler body, it is achieved thereby that combining closely for steel wire rope conglomeration and fishing socket, salvaging is completed by above carrying fishing socket.The fishing socket fishing success ratio is high, can be effectively improved the defect of prior art, while the device is easy to operation, using simple, beneficial to popularization, has a good application prospect and market value.

Description

Steel wire rope conglomeration fishing socket

Technical field

The utility model is related to oil well technical field of tools, more particularly to a kind of steel wire rope conglomeration fishing socket.

Background technology

In oil recovery production process, it is necessary to which carrying out workover treatment comes extensive when there is oil well failure or oil production equipment failure The normal of multiple drilling well is used.During workover treatment, due to meeting residual fraction junk in the pit shaft of underground, especially in oil recovery motor-pumped well field Widely used rope class junk, such as steel wire rope.When there are the junks such as steel wire rope underground, it is necessary to carry out salvaging processing.It is existing Have in technology, steel wire rope is generally salvaged using interior hook or outer hook instrument, but because steel wire rope has good flexibility, during salvaging such as Fruit is once unsuccessful, easily causes steel wire rope in pit shaft to be compacted the situation of conglomeration during drilling tool is pushed, and is now to salvage Work brings certain difficulty.

For it is above-mentioned be compacted or conglomeration steel wire rope class junk, in the prior art generally use following several method Handled：

(1) salvaged repeatedly using inner and outer hooks：Attempt to make fishing tool entrance be compacted conglomeration by further increasing the pressure of the drill Steel wire rope space position, so as to pull steel wire rope conglomeration out.

(2) set milling is carried out using casing section mill：Compacting is caused by casing section mill set milling operation, the steel wire rope of conglomeration enters set milling In cylinder, so as to pull steel wire rope out.

(3) milling is carried out using junk mill：Steel wire rope progress milling by junk mill to compacting, conglomeration in well, utilizes well workover Steel wire rope chip is taken out of pit shaft by liquid, so as to reach the purpose for repairing pit shaft.

During the utility model is realized, designer has found that prior art at least has problems with：

(1) there is the relatively low defect of fishing success ratio in the method that salvaging is repeated using inside and outside hook, and in the pressure of the drill The lower steel wire rope of effect can further be compacted conglomeration, the problems such as causing big later stage salvaging difficulty, complex procedures.

(2) when the method for carrying out set milling using casing section mill is salvaged, because under the pressure of the drill and set milling effect, steel wire rope holds Segment easily is cut into, small part steel wire rope can only be pulled out every time, fishing success ratio is low, and effect is not good, the increase later stage salvages difficult Degree.

(3) when carrying out the method for milling using junk mill, milling efficiency is low, and time-consuming, injures larger to sleeve pipe, and accomplish greatly This is higher.

It is not difficult to find out, above-mentioned three kinds have that fishing success ratio is low, efficiency is low for compacting, the processing mode of conglomeration steel wire rope Defect, and compacting, the instrument of conglomeration steel wire rope can effectively be salvaged in the prior art by also lacking.

Utility model content

Lack the problem of can effectively salvaging compacting, conglomeration steel wire rope in the prior art to overcome, the utility model is implemented Example provides a kind of steel wire rope conglomeration fishing socket.The fishing socket is as follows：

A kind of steel wire rope conglomeration fishing socket, the fishing socket includes top connection and the cylinder being sequentially connected with vertically, The inner barrel is provided with multiple interior coupler bodies；End of the cylinder away from the top connection is formed with hook-shaped guide shoe, in institute State and the outer coupler body of at least two is provided with guide shoe.

Preferably, described interior coupler body one end is fixedly connected on the inwall of the cylinder, and the interior coupler body other end is pointed to The top connection.

Preferably, angle is 45 ° between the interior coupler body and the cylinder inboard wall.

Preferably, interior coupler body random distribution on the cylinder inboard wall.

Preferably, the guide shoe is arc-shaped flaky structure, with two curls, and sets in the curl of the guide shoe institute Outer coupler body is stated so that the curl is into zigzag.

Preferably, the guide shoe has 3~4 outer coupler bodies, and the length of 3~4 outer coupler bodies.

Preferably, the top connection is internally provided with screw thread, for the fishing socket to be connected with central tube.

The beneficial effect brought of technical scheme that the utility model embodiment is provided is：

Steel wire rope conglomeration introduces inner barrel in the presence of guide shoe, and further the interior coupler body with inner barrel is wound, steel The non-preformed wire rope of cord conglomeration afterbody is wound on outer coupler body, it is achieved thereby that the close knot of steel wire rope conglomeration and fishing socket Close, salvaging is completed by above carrying fishing socket.The fishing socket that the utility model embodiment is provided is effectively improved in the prior art Salvage compacting, conglomeration steel wire rope operating efficiency, the problem of fishing success ratio is low, while the device is easy to operate, using simple, Beneficial to popularization, have a good application prospect and market value.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme in utility model embodiment, required in being described below to embodiment The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present utility model Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings Obtain other accompanying drawings.

Fig. 1 is the steel wire rope conglomeration fishing socket structural representation that the utility model embodiment is provided；

Fig. 2 is sectional view of the steel wire rope conglomeration fishing socket of the utility model embodiment offer along A-A directions.

Mark in accompanying drawing is respectively：

1. top connection；2. cylinder；3. guide shoe, 31, curl；4. outer coupler body；5. in coupler body.

Embodiment

It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer The embodiment of type is described in further detail.

The utility model embodiment can effectively salvage compacting, the fishing socket of conglomeration steel wire there is provided a kind of, referring in particular to figure 1st, Fig. 2, the fishing socket includes axially connecting top connection 1 and cylinder 2, and interior coupler body 5 is internally provided with cylinder 2；And cylinder End of the body 2 away from top connection 1 is formed with hook-shaped guide shoe 3, and coupler body 4 outside at least two are provided with guide shoe 3.

When in use, the fishing socket is connected by top connection 1 with tubing string, afterwards by the fishing socket tripping in pit shaft, until At the top of compacting, conglomeration steel wire rope.Afterwards by rotating tubing string so that compacting, the steel wire rope of conglomeration enter in the presence of guide shoe 3 The inside of cylinder 2.Simultaneously with the continuous rotation of fishing socket, steel wire rope conglomeration is wrapped on the interior coupler body 5 inside cylinder 2, and The remaining non-preformed wire rope in steel wire rope conglomeration bottom is wrapped on the outer coupler body 4 of guide shoe 3.Fishing socket is above carried finally by tubing string, Realize compacting, the salvaging of conglomeration steel wire rope.

It is not difficult to find out, the fishing socket that the utility model embodiment is provided is made by guide shoe 3, outer coupler body 4 and interior coupler body 5 Obtain steel wire rope conglomeration to combine closely with fishing socket, and then improve fishing success ratio.To sum up, the utility model embodiment is provided Fishing socket is not only effectively improved salvages compacting, conglomeration steel wire rope operating efficiency, fishing success ratio asking lowly in the prior art Topic, while the device is easy to operation, using simple, beneficial to popularization, has a good application prospect and market value.

Wherein, guide shoe 3 is the conventional component of the art, enters fishing tool by the bootable underground fish of guide shoe 3 Inside.In the fishing socket provided using the utility model embodiment, first with the guiding function of guide shoe 3, by steel wire Knot group is introduced inside cylinder 2.In order to improve the fishing success ratio of steel wire rope conglomeration, the steel wire entered inside cylinder 2 need to be ensured Knot group is difficult for drop-off.Therefore, the fishing socket that the utility model embodiment is provided is provided with interior coupler body 5 in the inside of cylinder 2. Therefore when fishing socket constantly rotates, it may be such that the steel wire rope conglomeration inside cylinder 2 is tightly wound around on interior coupler body 5. On the structure of interior coupler body 5, referring in particular to Fig. 1, one end of the interior coupler body 5 is fixedly connected on the inwall of cylinder 2, interior coupler body 5 The other end point to top connection 1.It is understood that steel wire rope conglomeration enters axially into the inside of cylinder 2, therefore interior coupler body 5 Approach axis with steel wire rope conglomeration is at an acute angle.And further, angle between interior coupler body 5 and cylinder 2 inwall is not done and had Body is limited, and can be 30 °, 45 °, 60 ° etc..Therefore the interior coupler body 5 will not enter to steel wire rope conglomeration causes resistance inside cylinder 2 Hinder, while the interior coupler body 5 forms " barb structure " for steel wire rope conglomeration, effectively improve the fixation to steel wire rope conglomeration Degree.Therefore the rotation of cylinder 2 or during above carrying steel wire rope conglomeration be difficult to drop.The preferably interior coupler body 5 is in cylinder 2 simultaneously Random distribution on inwall, so can equally increase the possibility of the interior lay winding wire ropes conglomeration of coupler body 5, further improve and salvage into Power.

Further, when steel wire rope conglomeration may go back the loose steel wire of residual fraction in addition to major part or compaction part Rope.The fishing socket that the utility model embodiment is provided equally has fixation to the loose portions of steel wire rope conglomeration.Specifically Ground, sets outer coupler body 4 to realize above-mentioned technique effect by being arranged in the curl 31 of guide shoe 3.Referring specifically to Fig. 1, the utility model Guide shoe 3 is pulls out hook-type guide shoe in embodiment, and the guide shoe 3 has arc-shaped flaky structure, and outer hook is set in the curl 31 of guide shoe 3 Body 4 causes curl 31 to show zigzag.Further, because guide shoe 3 has in two curls 31, the utility model embodiment Setting for the outer coupler body 4 external is not specifically limited.Specifically, it is respectively provided with outer hook in two curls 31 of guide shoe 3 Body 4, can increase the winding tight ness rating of steel wire rope；Outer coupler body 4 is set in wherein one curl 31 of guide shoe 3, it is ensured that this draws Footwear 3 leave the inside that sufficient space makes steel wire rope conglomeration enter cylinder 2.Therefore the setting on outer coupler body 4 can be according to actual work Depending on making situation.It is not difficult to find out, due to being provided with outer coupler body 4 in the curl 31 of guide shoe 3, can effectively enwinds loose portions Steel wire rope.Therefore when the lower section of steel wire rope conglomeration is also connected with other equipment by steel wire rope, due to the steel wire of loose portions Rope winding on outer coupler body 4, so can avoid to a certain extent fishing socket above carry during steel wire rope conglomeration by other equipment Situation under dragging, and then ensure to salvage effect.

Wherein, the quantity on outer coupler body 4, is not specifically limited, and can be 3,4,5 etc..But need what is illustrated It is, the length of preferably outer coupler body 4, shown in Fig. 1.The outer coupler body 4 of different length contributes to pine preferably Scattered wirerope-winding is lived, and realizes effective, complete salvaging to steel wire rope conglomeration.

Further, the processing mode of guide shoe 3 and outer coupler body 4 is not particularly limited, for example, can used in cylinder 2 End carries out the processing mode of excision forming, or using the individually moulding processing side that each part is welded as a whole again afterwards Formula.

Finally, the fishing socket also includes top connection 1, and is internally provided with screw thread in top connection 1, so that this dozen Dipper can be connected by top connection 1 with the component such as central tube, complete to salvage work work.

To sum up, it is not difficult to find out, steel wire rope conglomeration fishing socket that the utility model embodiment is provided is using guide shoe by steel Cord conglomeration is introduced inside cylinder 2, and is wound with the interior coupler body 5 inside cylinder 2；The non-preformed wire rope of steel wire rope conglomeration afterbody is twined Around on outer coupler body 4, it is achieved thereby that combining closely for steel wire rope conglomeration and fishing socket, salvaging is completed by above carrying fishing socket. The fishing socket fishing success ratio is high, can be effectively improved the defect of prior art, while the device is easy to operation, using simple, Beneficial to popularization, have a good application prospect and market value.

Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

Claims (7)

1. a kind of steel wire rope conglomeration fishing socket, it is characterised in that the fishing socket include axially connecting top connection (1) and Cylinder (2),

Multiple interior coupler bodies (5) are internally provided with the cylinder (2)；

And end of the cylinder (2) away from the top connection (1) is formed with hook-shaped guide shoe (3)；Set on the guide shoe (3) There is the outer coupler body (4) of at least two.

2. steel wire rope conglomeration fishing socket according to claim 1, it is characterised in that described interior coupler body (5) one end, which is fixed, to be connected On the inwall for being connected on the cylinder (2), interior coupler body (5) other end points to the top connection (1).

3. steel wire rope conglomeration fishing socket according to claim 2, it is characterised in that the interior coupler body (5) and the cylinder (2) angle is 45 ° between inwall.

4. steel wire rope conglomeration fishing socket according to claim 2, it is characterised in that the interior coupler body (5) is in the cylinder (2) random distribution on inwall.

5. steel wire rope conglomeration fishing socket according to claim 1, it is characterised in that the guide shoe (3) is arc-shaped flaky knot Structure, sets the outer coupler body (4) to cause the curl with two curls (31), and in the curl (31) of the guide shoe (3) (31) into zigzag.

6. steel wire rope conglomeration fishing socket according to claim 5, it is characterised in that the guide shoe (3) has 3~4 institutes State outer coupler body (4), and the length of 3~4 outer coupler bodies (4).

7. steel wire rope conglomeration fishing socket according to claim 1, it is characterised in that the top connection (1) is internally provided with Screw thread, for the fishing socket to be connected with central tube.