CN215292356U

CN215292356U - Clean reaming device along with change

Info

Publication number: CN215292356U
Application number: CN202121294010.2U
Authority: CN
Inventors: 陈元; 陈婧文
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-24
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a clean ware of drawing eyes along with changeing, including cylindric ware of drawing eyes body, ware of drawing eyes body outer wall is provided with first reaming part, and first reaming part includes that wing and drainage are protruding stupefied, and wing and the protruding stupefied equal slope setting of drainage, wing are provided with compound axe type cutting teeth, and the main wing is first distance with the maximum distance of ware of drawing eyes body axis, and the maximum distance between the protruding stupefied and ware of drawing eyes body axis of drainage is the second distance, first distance is greater than the second distance. The utility model discloses a compound axe type cutting tooth is different with the protruding stupefied distance with the axis of water conservancy diversion, does not increase under the condition of total diameter, has increased along with boring reaming diameter, and it is stupefied to add just anti-different rotation to protruding, does benefit to the discharge of mud, is provided with the water hole between the wing, prevents that mud from wrapping up this mechanism when boring and meeting special stratum to effectual assurance normally drills into the in-process and does not take place the card and bores the phenomenon, influences along with boring reaming and the construction effect of stepping down.

Description

Clean reaming device along with change

Technical Field

The utility model belongs to the drilling equipment field, concretely relates to clean ware of drawing eyes along with changeing.

Background

In the process of oil and gas development and drilling, the diameter of a borehole exposed in drilling fluid is reduced due to various factors such as formation pressure and the action of the drilling fluid, and meanwhile, the borehole formed by drilling of a drill bit is not in a cylindrical shape with one specification, so that the drilling and casing running are adversely affected. In general, in drilling operation, a drill bit is adopted to perform back reaming when a drill bit is tripped or shortened to improve the quality of a borehole, but under the condition that the diameter of the reaming device with cutting teeth uniformly distributed along the circumference is specific, the reaming diameter of the reaming device is the same as the radius of the reaming device, and the reaming diameter is smaller, so that the production requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a clean scratching device along with rotation.

The utility model discloses the technical scheme who adopts does: the utility model provides a clean ware of drawing eyes along with changeing, includes cylindric ware of drawing eyes body, and ware of drawing eyes body outer wall is provided with first reaming part, and first reaming part includes that wing and drainage are protruding stupefied, and wing and the protruding stupefied equal slope setting of drainage, the wing is provided with the cutting tooth, and the maximum distance of wing and ware of drawing eyes body axis is first distance D1, and the maximum distance between protruding stupefied and the ware of drawing eyes body axis of drainage is second distance D2, first distance D1 is greater than second distance D2.

Furthermore, the direction axes of the blade and the drainage convex edge are obliquely arranged relative to the axial generatrix of the outer wall of the scriber body, and the inclination angle is 15-25 degrees.

Furthermore, both sides of the blade and the drainage convex edge are provided with drainage inclined planes, and two adjacent drainage inclined planes and the outer wall of the reaming device body form drainage grooves.

Furthermore, the reaming device body is provided with a water hole which is communicated with the pipeline in the reaming device body.

Further, reaming device body outer wall be provided with second reaming part, second reaming part includes all structures of first reaming part, and the wing precession in the second reaming part is opposite with the wing precession of first reaming part, the protruding stupefied precession of drainage in the second reaming part is opposite with the protruding stupefied precession of drainage of first reaming part.

Further, the cutting tooth is a diamond compact.

Furthermore, joints are arranged at two ends of the scriber body.

The utility model has the advantages that: through the cutting teeth with the protruding stupefied distance different with the axis of water conservancy diversion respectively, under the condition that does not increase the total diameter, increased the reaming diameter, add just anti-different rotation direction protruding stupefied, do benefit to the discharge of mud, be provided with the water hole between the blade, prevent that this mechanism of mud parcel from influencing the reaming effect.

Drawings

FIG. 1 is an isometric view of the overall structure of the present invention;

FIG. 2 is a front view of the reaming machine;

FIG. 3 is a partial cross-sectional view;

FIG. 4 is an end view;

in the figure: 1-reaming device body, 2-first reaming component, 3-joint, 4-blade, 5-drainage inclined plane, 6-water hole, 7-cutting tooth, 8-drainage convex edge, 9-drainage groove and 10-second reaming component.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "front", "rear", "left", "right", "bottom", "side", 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 embodiments.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; 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 as appropriate by those of ordinary skill in the art.

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, a clean scriber along with commentaries on classics, including

cylindric scriber body

1, 1 both ends of scriber body all are provided with and connect 3 and are used for butt joint power shaft and drill bit, scriber body outer wall is provided with first reaming part 2, first reaming part 2 includes wing 4 and drainage are protruding stupefied 8, wing 4 and the equal slope of drainage are stupefied 8 and are set up, wing 4 is provided with cutting teeth 7, diamond compact piece is selected to cutting teeth 7, the maximum distance of wing 4 and scriber body axis is first distance D1, the maximum distance between drainage are stupefied 8 and the scriber body axis is second distance D2, first distance D1 is greater than second distance D2. The direction axes of the blades 4 and the drainage convex ridges 8 are obliquely arranged relative to the axial generatrix of the outer wall of the hole scriber body, the inclination angle is 15-25 degrees, and in the actual drilling process, in order to achieve the hole expanding purpose and the optimal power effect, the specific inclination angle is adjusted according to the geological needs of a drilling area.

As shown in figure 2, two sides of the blade 4 and the drainage convex edge 8 are provided with drainage inclined planes 5, and two adjacent drainage inclined planes 5 and the outer wall of the reaming device body form a drainage groove 9. The scriber body 1 is provided with a water hole 6, and the water hole 6 is communicated with an inner pipeline of the scriber body 1. Along with the rotation of the cutting teeth 7, mud rock and other substances are continuously scraped into the drainage grooves 9 and are pushed upwards by the extrusion of the drainage inclined planes 5, so that the reaming work is completed. The drilling fluid is sprayed out from the water hole 6 through the inner pipeline to wash and soften the mudstone near the blade, so that the mudstone is not easy to accumulate and block the operation of the hole scratching device.

As shown in fig. 1, the outer wall of the reaming device body 1 is further provided with a second reaming member 10, the second reaming member 10 includes all structures of the first reaming member 2, the rotation direction of the blade 4 in the second reaming member 10 is opposite to that of the blade 4 in the first reaming member 2, and the rotation direction of the drainage convex ridge 8 in the second reaming member 10 is opposite to that of the drainage convex ridge 8 in the first reaming member 2. For repeated reaming or during the recovery of the drill bit after drilling, the power shaft can drive the reaming device to rotate reversely, and each part of the second reaming component 10 will cut the hole again in the reaming process and bring out the cut and scraped mudstone upwards.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. A clean ware of drawing eyes along with changeing which characterized in that: including cylindric reaming ware body (1), reaming ware body (1) outer wall is provided with first reaming part (2), first reaming part (2) include wing (4) and drainage are stupefied (8), wing (4) and drainage are stupefied (8) and all incline to set up, wing (4) are provided with cutting teeth (7), the maximum distance of wing (4) and reaming ware body axis is first distance D1, the maximum distance between drainage is stupefied (8) and the reaming ware body axis is second distance D2, first distance D1 is greater than second distance D2.

2. A follow-up cleaning scribe as claimed in claim 1, wherein: the direction axes of the blades (4) and the drainage convex ridges (8) are obliquely arranged relative to the axial generatrix of the outer wall of the scriber body, and the inclination angle is 15-25 degrees.

3. A follow-up cleaning scribe as claimed in claim 1, wherein: both sides of the blade (4) and the drainage convex edge (8) are provided with drainage inclined planes (5), and two adjacent drainage inclined planes (5) and the outer wall of the reaming device body form a drainage groove (9).

4. A follow-up cleaning scribe as claimed in claim 1, wherein: the hole drawing device body (1) is provided with a water hole (6), and the water hole (6) is communicated with an inner pipeline of the hole drawing device body (1).

5. A follow-up cleaning scribe as claimed in claim 1, wherein: the outer wall of the reaming device body (1) is provided with a second reaming component (10), the second reaming component (10) comprises all structures of the first reaming component (2), the rotating direction of the blade (4) in the second reaming component (10) is opposite to the rotating direction of the blade (4) of the first reaming component (2), and the rotating direction of the drainage convex arris (8) in the second reaming component (10) is opposite to the rotating direction of the drainage convex arris (8) of the first reaming component (2).

6. A follow-up cleaning scribe as claimed in claim 1, wherein: the cutting teeth (7) are diamond compacts.

7. A follow-up cleaning scribe as claimed in claim 1, wherein: joints (3) are arranged at two ends of the reaming machine body (1).