CN213627449U

CN213627449U - Downhole tool of downhole multi-branch ultrashort radius horizontal drilling completion system

Info

Publication number: CN213627449U
Application number: CN202022750542.4U
Authority: CN
Inventors: 刘东阳
Original assignee: Beijing Jiuzhou Oilfield Technology Service Co ltd
Current assignee: Beijing Jiuzhou Oilfield Technology Service Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-06
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a multi-branch ultrashort radius horizontal drilling completion system's instrument in pit, including fixed case and work box, there is the motor inside of fixed case through bolt fixed mounting, the one end of motor output shaft extends to the outside and the fixedly connected with rotation axis of fixed case, the rotation axis is installed in the inside of work box and the surface of rotation axis passes through the bearing rotation with the work box and is connected, and the one end that the fixed case was kept away from to the rotation axis extends to the outside and the fixedly connected with drill bit of work box, the top and the bottom symmetry of work box are provided with a plurality of the same supporting wheels, and the surface of rotation axis and the inside rigidity that is in the work box have installed and lead husky arc piece, the top and the bottom symmetry that the one end of fixed case was kept away from to the work box are provided with two the same sand. The downhole tool of the downhole multi-branch ultrashort radius horizontal drilling completion system realizes synchronous operation of drilling and sand discharging, saves a large amount of working time and improves the working efficiency.

Description

Downhole tool of downhole multi-branch ultrashort radius horizontal drilling completion system

Technical Field

The utility model relates to a downhole tool technical field specifically is a downhole tool of many branches ultrashort radius horizontal drilling completion system in pit.

Background

Well drilling tool mainly has well head instrument and downhole drilling tool, well head instrument is for playing down and the instrument of unloading the drilling tool on, if tong, elevator, slips etc. the tong is used for, unload all kinds of downhole drilling tool screw threads, the elevator is used for hanging, promotes and transfers the drilling string, the slips is used for blocking the drilling string and hangs on the carousel, including drill bit, drilling string, downhole power drilling tool and stabilizer, bumper shock absorber, instrument such as jar ware, the broken rock instrument that the drill bit is essential when drilling, mainly there are roller bit, diamond bit and drag bit 3 types: the roller bit is composed of bit body, tooth claw, roller, bearing and water hole, and is divided into two types of milling tooth type and inserted tooth type according to roller structure, and divided into two types of sealed or unsealed rolling bearing and sealed or unsealed sliding bearing according to bearing structure, and is applicable to drilling various stratums, so that it is extensively used at present, and the diamond bit is only limited to hard stratum at first, its variety and application range are progressively enlarged, and its bit price is high, but its working life is long, and if it is reasonable, it can obtain good economic effect, and the scraper bit is simple in structure, convenient to manufacture, and its drilling speed is quick, but its drilling torque is large, and it is easy to damage drilling tool and equipment, in recent years, a new cutting type bit is developed, and is inlaid on the bit base body by using new wear-resisting material with different geometric shapes, and can be adapted to various lithologic stratums, and can adopt high-speed drilling, the drilling string is a general term of all underground drilling tools from a kelly bar to a drill bit, and consists of the kelly bar, the drill bar, a drill collar, a stabilizer joint and other various accessories, and the drilling string has the functions of descending the drill bit, transmitting mechanical energy required by broken rocks to the drill bit, applying drilling pressure to the bottom of a well, conveying well washing liquid to the well and performing other underground operations; the underground power drilling tool of the existing underground tool is more perfect in equipment such as a stabilizer, a shock absorber, a jar hammer and the like, but a large amount of sand and soil can be generated during underground operation, in the aspect of sand discharging, the existing technology generally carries out well drilling firstly and then carries out sand discharging well completion, the operation steps are fixed, the well completion procedures are separated through the steps of separate operation, a large amount of time waste is generated, the working efficiency is lower, and therefore the novel underground tool of the underground multi-branch ultrashort radius horizontal drilling well completion system needs to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a multibranch ultrashort radius horizontal drilling well completion system's instrument in pit has solved current technique and has drilled a well earlier, thereby has arranged the husky well completion of sediment again, and the operating procedure is fixed, and the step of separate operation makes the well completion process separation, produces a large amount of time extravagant, the lower problem of work efficiency.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an underground tool of well completion system of many branchs ultrashort radius horizontal drilling, includes fixed case and work box, there is the motor inside of fixed case through bolt fixed mounting, the one end of motor output shaft extends to the outside and the fixedly connected with rotation axis of fixed case, the rotation axis is installed in the inside of work box and the surface of rotation axis passes through the bearing rotation with the work box and is connected, the rotation axis is kept away from the one end of fixed case and is extended to the outside and the fixedly connected with drill bit of work box.

Preferably, the top and the bottom of the work box are symmetrically provided with a plurality of same supporting wheels.

Preferably, a sand guide arc-shaped sheet is fixedly arranged on the surface of the rotating shaft and in the inner position of the working box.

Preferably, the top and the bottom of the end of the working box far away from the fixed box are symmetrically provided with two same sand gathering plates, and one side of each sand gathering plate is provided with a sand inlet.

Preferably, the bottom of the working box is provided with a sand outlet at a position close to the fixed box.

Preferably, the top of the fixed box is provided with an operating frame.

Advantageous effects

The utility model provides a multibranch ultrashort radius horizontal drilling completion system's downhole tool in pit. Compared with the prior art, the method has the following beneficial effects: this well tool of well completion system is bored to many branchs ultrashort radius level in pit through installing the drill bit and leading husky arc piece on same root rotation axis, and a large amount of sand that the drill bit produced after the well drilling gets into the work box through entering husky mouth, under the rotatory drive of leading husky arc piece, and sand discharges fast, realizes well drilling and the synchronous operation of sediment outflow like this, has saved a large amount of operating time, has promoted work efficiency.

Drawings

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

in the figure: 1. a drill bit; 2. a sand inlet; 3. a sand collecting plate; 4. a support wheel; 5. a sand guiding arc sheet; 6. a rotating shaft; 7. a fixed box; 8. an operation frame; 9. a motor; 10. a work box; 11. and a sand outlet.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a downhole tool of a downhole multi-branch ultrashort radius horizontal drilling completion system comprises a fixed box 7 and a working box 10, wherein a motor 9 is fixedly installed inside the fixed box 7 through a bolt, one end of an output shaft of the motor 9 extends to the outside of the fixed box 7 and is fixedly connected with a rotating shaft 6, the rotating shaft 6 is installed inside the working box 10, the surface of the rotating shaft 6 is rotatably connected with the working box 10 through a bearing, one end, far away from the fixed box 7, of the rotating shaft 6 extends to the outside of the working box 10 and is fixedly connected with a drill bit 1, the drill bit 1 and a sand guide arc-shaped sheet 5 are installed on the same rotating shaft 6, a large amount of sand generated after drilling by the drill bit 1 enters the working box 7 through a sand inlet 2, the sand is rapidly discharged under the driving of the rotation of the sand guide arc-shaped sheet 5, so that the synchronous operation of drilling and sand discharging is realized, and a large, the working efficiency is improved.

Further, the top and the bottom symmetry of work box 10 are provided with a plurality of the same supporting wheels 4, and supporting wheels 4 make this equipment conveniently remove, have promoted the convenience in the use.

Furthermore, the surface of the rotating shaft 6 and the inner position of the working box 10 are fixedly provided with the sand guiding arc-shaped piece 5, and the sand guiding arc-shaped piece 5 can quickly drive sandy soil to be discharged, so that the sand discharging effect is improved.

Further, the top and the bottom symmetry that fixed case 7 was kept away from to work box 10 one end are provided with two the same sand boards 3 that hold together, thereby hold together the setting of sand board 3 and prevented that sand and soil from getting into work box 10's top and bottom from causing the interference, and two one side positions of holding together sand board 3 all are provided with into husky mouth 2, thereby hold together husky board 3 like this and just can concentrate sand and soil and get up whole entering into husky mouth 2 to get into inside work box 10.

Furthermore, a sand outlet 11 is arranged at the bottom of the working box 10 and at a position close to the fixed box 7, and the sand and the soil are discharged through the sand outlet 11.

Further, the operation frame 8 is installed at the top of the fixed box 7, the operation frame 8 is convenient for workers to use, the simple operation degree is improved, the force application point is provided, and the equipment is convenient to control.

And those not described in detail in this specification are well within the skill of those in the art.

It should be noted that, in this document, 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 downhole tool of a downhole multi-branch ultrashort radius horizontal drilling completion system, comprising a stationary box (7) and a working box (10), characterized in that: the utility model discloses a drill bit, including fixed case (7), fixed case (7) and rotation axis (6), the inside of fixed case (7) has motor (9) through bolt fixed mounting, the one end of motor (9) output shaft extends to the outside and the fixedly connected with rotation axis (6) of fixed case (7), rotation axis (6) are installed in the inside of work box (10) and the surface of rotation axis (6) is passed through the bearing and is rotated with work box (10) and be connected, the one end that fixed case (7) were kept away from in rotation axis (6) extends to the outside and the fixedly connected with drill bit (1) of work.

2. The downhole tool of a downhole multi-branch ultrashort radius horizontal borehole completion system of claim 1, wherein: the top and the bottom of the work box (10) are symmetrically provided with a plurality of same supporting wheels (4).

3. The downhole tool of a downhole multi-branch ultrashort radius horizontal borehole completion system of claim 1, wherein: and a sand guide arc-shaped sheet (5) is fixedly arranged on the surface of the rotating shaft (6) and in the inner position of the working box (10).

4. The downhole tool of a downhole multi-branch ultrashort radius horizontal borehole completion system of claim 1, wherein: the top and the bottom of one end of the working box (10) far away from the fixed box (7) are symmetrically provided with two same sand gathering plates (3), and one side positions of the two sand gathering plates (3) are provided with sand inlets (2).

5. The downhole tool of a downhole multi-branch ultrashort radius horizontal borehole completion system of claim 1, wherein: and a sand outlet (11) is formed at the bottom of the working box (10) and at a position close to the fixed box (7).

6. The downhole tool of a downhole multi-branch ultrashort radius horizontal borehole completion system of claim 1, wherein: and an operating frame (8) is installed at the top of the fixed box (7).