CN209653997U - A kind of petroleum drilling and mining junk mill - Google Patents

Abstract

It include junk mill the utility model discloses a kind of petroleum drilling and mining junk mill, the upper surface center of the junk mill is equipped with blind hole A, the left side ladder vertical plane of the junk mill is equipped with through-hole A, the through-hole A and blind hole A connection, the right part side wall of the blind hole A and the face position of through-hole A be equipped with blind hole B, the upper and lower part of the through-hole A is all provided with fluted, the upper surface of the junk mill is equipped with drilling tool, the drilling tool is stairstepping, among the downstairs face insertion blind hole A of the drilling tool, the downstairs Middle face of the drilling tool is equipped with through-hole B, the left side wall of the junk mill is equipped with limit stick, the limit stick passes through through-hole A and through-hole B and reaches blind hole B, the utility model is connected through a screw thread and the structure of telescopic rod, devise a kind of Novel connection type, the case where so as to improve thread looseness between drilling tool and junk mill, and structure It is easy to operate, it is not necessarily to external tool, hold-down bars can be dismantled by self structure.

Description

A kind of petroleum drilling and mining junk mill

Technical field

The utility model relates to petroleum drilling and mining technical field, specific field is a kind of petroleum drilling and mining junk mill.

Background technique

After staged fracturing etc. such as increases production at the operations, with the increase of production time, oil, shakes out at the water outlet of gas well part interval Phenomena such as get worse, seriously affect oil, gas well normal production, it is therefore desirable to bore remove ball seat, to establish follow-up operation Channel needed for tool just needs to carry out milling using junk mill at this time, opens up channel, traditional junk mill only pass through screw thread and drilling tool into Row connection, underground situation complexity not enough may be easy to cause junk mill to fall off from drilling tool just with the intensity of threaded connection, and Well head is narrow to be not easy again to pick up junk mill,

Utility model content

The purpose of this utility model is to provide a kind of petroleum drilling and mining junk mills, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of petroleum drilling and mining junk mill includes junk mill, institute The lower wall for stating junk mill is equipped with cutter, and the side wall of the junk mill is stairstepping, and position-limiting drum is placed in the downstairs face of the junk mill, The inner sidewall of the position-limiting drum is equipped with internal screw thread A, and the ladder vertical plane top of the junk mill is equipped with external screw thread A, the external screw thread A with Internal screw thread A is used cooperatively, and the upper surface center of the junk mill is equipped with blind hole A, and the lower sides of the blind hole A are equipped with internal screw thread B, The left side ladder vertical plane of the junk mill is equipped with through-hole A, the through-hole A and blind hole A connection, the right part side wall of the blind hole A and The face position of through-hole A is equipped with blind hole B, and the inner sidewall of the blind hole B is equipped with internal screw thread C, the upper and lower part of the through-hole A It is all provided with fluted, the upper surface of the junk mill is equipped with drilling tool, and the drilling tool is stairstepping, and the downstairs face of the drilling tool is inserted into Among blind hole A, the downstairs face lower part of the drilling tool is equipped with external screw thread B, and the external screw thread B and internal screw thread B is used cooperatively, described The downstairs Middle face of drilling tool is equipped with through-hole B, and the left side wall of the junk mill is equipped with limit stick, the limit stick pass through through-hole A and Through-hole B protrudes into blind hole B；

The limit stick includes rotating handles, and the rotating handles are cylindrical shape, above and below the left side of the rotating handles Both ends are equipped with pole, and the inside of the rotating handles is equipped with inner cavity, and the right side wall connection of the inner cavity and rotating handles is described The right end inner sidewall surrounding of inner cavity is equipped with rectangular block, and the right part of the rotating handles is equipped with hold-down bars, the hold-down bars it is outer Side wall is stairstepping, and the surrounding of the left part cascaded surface of the hold-down bars is equipped with rectangular channel, the hold-down bars right part cascaded surface Lateral wall be equipped with external screw thread C, the external screw thread C and internal screw thread C is used cooperatively.

Preferably, the diameter dimension of the through-hole A, through-hole B and blind hole B are equal, the through-hole A, through-hole B and blind hole B's Diameter dimension is all larger than the diameter dimension of limit stick.

Preferably, the groove profile size is greater than the overall size of pole.

Preferably, the width of the rectangular channel is greater than the width of rectangular block.

Compared with prior art, the utility model has the beneficial effects that a kind of petroleum drilling and mining junk mill, passes through traditional screw thread Connection, then a blind hole is made a call in the top of junk mill and drilling tool thread cooperation, the right end of blind hole is equipped with screw thread, then will be inserted into blind hole Limit stick, limit stick are divided into rotating handles and hold-down bars, and rotating handles are mutually clamped with hold-down bars, and rotating handles rotation will drive Hold-down bars rotates together with, and can carry out relative motion by clamping rotating handles and hold-down bars, i.e. rotating handles can stretch, and make Used time, which can stretch out rotating handles rotate, drives hold-down bars to rotate, and is carried out hold-down bars and drilling tool by being threadedly engaged It is fixed, then rotating handles are retracted among drilling tool, position-limiting drum is arranged in drilling tool lateral wall by screw thread, prevents drilling tool in rotation Rotating handles are thrown away in the process, the utility model is connected through a screw thread and the structure of telescopic rod, devises a kind of Novel connection Mode is connect, the case where so as to improve thread looseness between drilling tool and junk mill, and structure operation is simple, is not necessarily to external tool, Hold-down bars can be dismantled by self structure.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is enlarged drawing at the A in the utility model Fig. 1；

Fig. 3 is enlarged drawing at the B in the utility model Fig. 1；

Fig. 4 is the structural schematic diagram of limit stick in the utility model.

In figure: 1- junk mill, 2- cutter, 3- position-limiting drum, 4- internal screw thread A, 5- external screw thread A, 6- blind hole A, 7- internal screw thread B, 8- Through-hole A, 9- blind hole B, 10- internal screw thread C, 11- drilling tool, 12- external screw thread B, 13- through-hole B, 14- groove, 15- limit stick, 1501- Rotating handles, 1502- pole, the inner cavity 1503-, 1504- rectangular block, 1505- hold-down bars, 1506- rectangular channel, 1507- external screw thread C。

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-4, the utility model provides a kind of technical solution: a kind of petroleum drilling and mining junk mill includes junk mill 1, described The lower wall of junk mill is equipped with cutter 2, and by carrying out milling operation to pipeline using cutter, the side wall of the junk mill is stairstepping Position-limiting drum 3 is placed in shape, the downstairs face of the junk mill, and the inner sidewall of the position-limiting drum is equipped with internal screw thread A4, the rank of the junk mill Terraced vertical plane top is equipped with external screw thread A5, and the external screw thread A5 and internal screw thread A4 is used cooperatively, and limit can be fixed on to internal screw thread position It sets, prevents the telescopic end of limit stick from throwing away during drilling, the service life for influencing limit stick, the junk mill are collided with inner wall of the pipe Upper surface center be equipped with blind hole A6, the lower sides of the blind hole A are equipped with internal screw thread B7, the left side ladder vertical plane of the junk mill Equipped with through-hole A8, the through-hole A and blind hole A connection and are equipped with blind the right part side wall of the blind hole A in the face position of through-hole A The inner sidewall of hole B9, the blind hole B9 are equipped with internal screw thread C10, and the upper and lower part of the through-hole A is all provided with fluted 14, the mill The upper surface of shoes is equipped with drilling tool 11, and the drilling tool is stairstepping, and the downstairs face of the drilling tool is inserted among blind hole A, described The downstairs face lower part of drilling tool is equipped with external screw thread B12, and the external screw thread B and internal screw thread B7 is used cooperatively, by external screw thread B with it is interior Drilling tool, can connect by screw thread B cooperation with junk mill, and the downstairs Middle face of the drilling tool is equipped with through-hole B13, and drilling tool is connect with junk mill Later, through-hole A, through-hole B and blind hole B will form a new blind hole, and the left side wall of the junk mill is equipped with limit stick 15, the limit Position stick passes through through-hole A and through-hole B and protrudes into blind hole B；

The limit stick includes rotating handles 1501, and the rotating handles are cylindrical shape, the left side of the rotating handles Upper and lower ends are equipped with pole 1502, and staff can rotate limit stick by pole, eliminate using external tool Time, the inside of the rotating handles is equipped with inner cavity 1503, and the right side wall connection of the inner cavity and rotating handles, hold-down bars can Into among inner cavity, and then reach the telescopic effect of limit stick, the right end inner sidewall surrounding of the inner cavity is equipped with rectangular block 1504, the right part of the rotating handles is equipped with hold-down bars 1505, and the lateral wall of the hold-down bars is stairstepping, the hold-down bars The surrounding of left part cascaded surface be equipped with rectangular channel 1506, rectangular channel is used cooperatively with rectangular block, and rectangular block can be in rectangular channel Sliding, when rotating handles are rotated, the circumferential mutually clamping of rectangular block and rectangular channel, therefore rotating handles will drive admittedly Determine stick to be rotated, the lateral wall of the hold-down bars right part cascaded surface is equipped with external screw thread C1507, the external screw thread C and internal screw thread C It is used cooperatively, by the cooperation of external screw thread C and internal screw thread C, limit stick can be fixed on to through-hole A, through-hole B and blind hole B composition Among new blind hole, since limit stick blocks junk mill and drilling tool, prevent junk mill from relatively rotating with drilling tool, so junk mill with Screw thread between drilling tool will not loosen, and will not be detached between junk mill and drilling tool.

Specifically, the diameter dimension of the through-hole A, through-hole B and blind hole B are equal, prevent three's size different, be unable to shape At a new blind hole, cause limit stick that cannot normally enter, the diameter dimension of the through-hole A, through-hole B and blind hole B are all larger than The diameter dimension of limit stick prevents three undersized, when limit stick insertion, interferes with three, influences limit stick Normal insertion.

Specifically, the groove profile size is greater than the overall size of pole, prevent the oversized of pole, pole without Among the frequent groove of method, the normal Telescopic of the limit stick of influence.

Specifically, the width of the rectangular channel is greater than the width of rectangular block, rectangular block needs slide in rectangular channel, prevent Only the width of rectangular block is excessive, interferes with rectangular channel, and rectangular block can not be slided normally in rectangular channel, further influences limit The Telescopic of position stick.

Working principle: a kind of petroleum drilling and mining junk mill of the utility model, by traditional threaded connection, then in junk mill and drilling tool A blind hole is made a call in the top being threadedly engaged, and the right end of blind hole is equipped with screw thread, then limit stick will be inserted into blind hole, and limit stick is divided into rotation Handle hand and hold-down bars, rotating handles are mutually clamped with hold-down bars, and rotating handles rotation will drive hold-down bars and rotate together with, and are passed through Clamping rotating handles and hold-down bars can carry out relative motion, i.e. rotating handles can stretch, and when use can stretch rotating handles Carrying out rotation out drives hold-down bars to be rotated, and hold-down bars and drilling tool is fixed by being threadedly engaged, then by rotating handles It is retracted among drilling tool, position-limiting drum is arranged in drilling tool lateral wall by screw thread, prevents drilling tool during rotation by rotating handles It throws away.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of petroleum drilling and mining junk mill, including junk mill (1), it is characterised in that: the lower wall of the junk mill (1) is equipped with cutter (2), The side wall of the junk mill (1) is stairstepping, and position-limiting drum (3) are placed in the downstairs face of the junk mill (1), the position-limiting drum (3) Inner sidewall be equipped with internal screw thread A (4), the ladder vertical plane top of the junk mill (1) is equipped with external screw thread A (5), the external screw thread A (5) It is used cooperatively with internal screw thread A (4), the upper surface center of the junk mill (1) is equipped with blind hole A (6), the lower side of the blind hole A (6) Wall is equipped with internal screw thread B (7), and the left side ladder vertical plane of the junk mill (1) is equipped with through-hole A (8), the through-hole A (8) and blind hole A (6) Connection, the right part side wall of the blind hole A (6) and the face position of through-hole A (8) be equipped with blind hole B (9), the blind hole B (9) Inner sidewall is equipped with internal screw thread C (10), and the upper and lower part of the through-hole A (8) is all provided with fluted (14), the junk mill (1) it is upper End face be equipped with drilling tool (11), the drilling tool (11) be stairstepping, the drilling tool (11) downstairs face insertion blind hole A (6) it In, the downstairs face lower part of the drilling tool (11) is equipped with external screw thread B (12), and the external screw thread B (12) and internal screw thread B (7) cooperate It uses, the downstairs Middle face of the drilling tool (11) is equipped with through-hole B (13), and the left side wall of the junk mill (1) is equipped with limit stick (15), the limit stick (15) passes through through-hole A (8) and through-hole B (13) protrudes into blind hole B (9)；

The limit stick (15) includes rotating handles (1501), and the rotating handles (1501) are cylindrical shape, the rotation handle The left side upper and lower ends of hand (1501) are equipped with pole (1502), and the inside of the rotating handles (1501) is equipped with inner cavity (1503), the right side wall connection of the inner cavity (1503) and rotating handles (1501), the right end inner sidewall of the inner cavity (1503) Surrounding is equipped with rectangular block (1504), and the right part of the rotating handles (1501) is equipped with hold-down bars (1505), the hold-down bars (1505) lateral wall is stairstepping, and the surrounding of the left part cascaded surface of the hold-down bars (1505) is equipped with rectangular channel (1506), the lateral wall of hold-down bars (1505) the right part cascaded surface is equipped with external screw thread C (1507), the external screw thread C (1507) It is used cooperatively with internal screw thread C (10).

2. a kind of petroleum drilling and mining junk mill according to claim 1, it is characterised in that: the through-hole A (8), through-hole B (13) and The diameter dimension of blind hole B (9) is equal, and the diameter dimension of the through-hole A (8), through-hole B (13) and blind hole B (9) is all larger than limit stick (15) diameter dimension.

3. a kind of petroleum drilling and mining junk mill according to claim 1, it is characterised in that: groove (14) overall size is greater than The overall size of pole (1502).

4. a kind of petroleum drilling and mining junk mill according to claim 1, it is characterised in that: the width of the rectangular channel (1506) is big Width in rectangular block (1504).