CN219472099U - Near-bit measuring device - Google Patents

Abstract

The utility model discloses a near-bit measuring device which comprises a main body and a drill collar, wherein a bit is fixedly arranged at the bottom of the drill collar, a slot is formed in the bottom of the main body, a plug rod is fixedly arranged at the top of the drill collar, the top end of the plug rod extends to the inside of the slot, and a slide rod is connected to one side of the drill collar in a sliding manner through an opening.

Description

Near-bit measuring device

Technical Field

The utility model relates to the technical field of near-bit measurement, in particular to a near-bit measurement device.

Background

The logging while drilling geosteering system is a technology developed in the field of oil drilling in recent years, and aims to realize measurement of various geological parameters while drilling, analyze geological structures, realize geological evaluation and guide drilling direction, greatly improve drilling rate and further improve exploitation efficiency;

the near-bit while drilling in the prior art can rub with the rock wall when in use, so that the bit is easy to wear after long-time use, the current bit is fixed through a large number of bolts and the like, so that more time is required to be spent for disassembling the bit after the bit is damaged, the measurement efficiency is affected, and the gamma column and the battery are easy to damage due to the fact that the outer wall of the device is easy to be rubbed and impacted by the rock wall when in drilling, meanwhile, the water pressure inside the rock wall is easy to infiltrate into the device to damage the battery, and therefore, a novel near-bit measuring device is required to be designed to solve the problems.

Disclosure of Invention

The present utility model is directed to a near-bit measuring device, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the near-bit measuring device comprises a main body and a drill collar, wherein a bit is fixedly arranged at the bottom of the drill collar, a slot is formed in the bottom of the main body, an inserting rod is fixedly arranged at the top of the drill collar, the top end of the inserting rod extends to the inside of the slot, one side of the drill collar is connected with a sliding rod in a sliding manner through an opening, a clamping groove is formed in the bottom of the sliding rod, and a sliding mechanism is arranged on the surface of the main body;

the sliding mechanism comprises sliding grooves formed in two sides of the main body, sliding blocks are connected to the sliding grooves in a sliding mode, sliding sleeves are welded on one sides of the sliding blocks, inclined planes are arranged above the inner walls of the sliding sleeves, traction plates are welded on two sides of the bottoms of the sliding sleeves, and limiting rings matched with the clamping grooves are welded on the bottoms of the traction plates.

Preferably, the surface of main part has seted up the mounting groove, and the mounting groove is the annular and is provided with four, and anterior and rear the equal fixed mounting of inner wall of mounting groove has the power, both sides the inner wall fixed mounting of mounting groove has the gamma post.

Preferably, the square frame is fixedly arranged on the inner wall of the mounting groove, the cover plate is arranged on the inner side of the mounting groove, and the sealing gasket is arranged on one side of the cover plate.

Preferably, the front part and the rear part of the main body are both provided with limit grooves.

Preferably, the front part and the rear part of the sliding sleeve are both connected with bolts through threaded grooves.

Preferably, one end of the bolt, which is close to the main body, extends to the inside of the limit groove.

Preferably, the cover plate and the sealing gasket are adhered and fixed through glue.

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

1. this near drill bit measuring device, through two bolts with sliding sleeve front portion and rear portion unscrew, then slide the sliding sleeve downwards, the sliding sleeve descends and drives the traction plate and descend, the traction plate descends and drives the spacing ring and descend, the spacing ring descends the outside of back removal to the draw-in groove, the slide bar stops by spacing this moment, then slide the slide bar from the inner side of drill collar and slide out, take the drill bit downwards again, at this moment, drill bit, drill collar and inserted bar break away from the cooperation with the main part, thereby reach and demolish the drill bit fast and change the effect, not only improved the efficiency that the drill bit was changed, and improved measurement of efficiency.

2. This near drill bit measuring device, through setting up apron and sealed pad, it is inboard to pack into the mounting groove with the apron again, then upwards promotes the sliding sleeve, through its inboard inclined plane and apron contact after the sliding sleeve rises to extrude the inboard to the mounting groove with the apron, sealed pad is hugged closely with square frame mutually this moment, thereby reaches the effect of sealing the mounting groove inside, and reaches the effect of protecting power and gamma column through setting up sliding sleeve and apron.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the slider, bolt and stop collar of the present utility model;

FIG. 3 is a schematic diagram of the mounting slot, power supply and gamma column configuration of the present utility model;

FIG. 4 is a schematic view of the structure of the insert rod, slide rod and clamping groove of the present utility model;

FIG. 5 is a schematic view of the structure of the cover plate and gasket of the present utility model.

In the figure: 1. a main body; 2. a drill collar; 3. a drill bit; 4. a rod; 5. a slot; 6. a chute; 7. a slide block; 8. a sliding sleeve; 9. a traction plate; 10. a limiting ring; 11. a slide bar; 12. a clamping groove; 13. a mounting groove; 14. a square frame; 15. a power supply; 16. a gamma column; 17. a cover plate; 18. a sealing gasket; 19. a limit groove; 20. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, the utility model provides a near-bit measuring device, which comprises a main body 1 and a drill collar 2, wherein a drill bit 3 is fixedly arranged at the bottom of the drill collar 2, a slot 5 is formed at the bottom of the main body 1, a plug rod 4 is fixedly arranged at the top of the drill collar 2, the top end of the plug rod 4 extends into the slot 5, one side of the drill collar 2 is slidably connected with a slide rod 11 through an opening, a clamping groove 12 is formed at the bottom of the slide rod 11, and a sliding mechanism is arranged on the surface of the main body 1;

specifically, slide mechanism is including setting up the spout 6 in main part 1 both sides, slide 6's inside sliding connection has slider 7, slider 7's one side welding has sliding sleeve 8, sliding sleeve 8 inner wall's top sets up to the inclined plane, sliding sleeve 8 bottom's both sides all have welded traction plate 9, traction plate 9's bottom welding has the spacing ring 10 that cooperatees with draw-in groove 12 and use, bolt 20 is close to main part 1's one end and extends to the inside of spacing groove 19, through setting up slide mechanism, and slide sleeve 8 slides downwards, sliding sleeve 8 descends and drives traction plate 9 and descend, traction plate 9 descends and drives spacing ring 10 and descend, after spacing ring 10 descends, move to draw-in groove 12's outside, slide bar 11 stops by spacing this moment, then slide bar 11 is from the inside slip of drill collar 2, take out drill bit 3 downwards again this moment, drill bit 3, drill collar 2 and inserted bar 4 are disengaged with main part 1, thereby reach the effect of demolishing drill bit 3 fast and changing.

Wherein: the limiting groove 19 has all been seted up to the front portion and the rear portion of main part 1, and the front portion and the rear portion of sliding sleeve 8 have bolt 20 through seting up thread groove threaded connection, through setting up limiting groove 19 and bolt 20 to through the inside with bolt 20 screw in limiting groove 19, thereby reach the effect of being convenient for carry out spacing to sliding sleeve 8 after the slip.

Specifically, mounting groove 13 has been seted up on the surface of main part 1, and mounting groove 13 is the annular and is provided with four, the equal fixed mounting of inner wall in front portion and rear portion mounting groove 13 has power 15, the inner wall fixed mounting of both sides mounting groove 13 has gamma post 16, the inner wall fixed mounting of mounting groove 13 has square frame 14, the inboard of mounting groove 13 is provided with apron 17, one side of apron 17 is provided with sealed pad 18, through setting up apron 17 and sealed pad 18, it is inboard to pack into mounting groove 13 again with apron 17, then promote sliding sleeve 8 upwards, sliding sleeve 8 rises the back and contacts with apron 17 through its inboard inclined plane, thereby extrude the inboard of mounting groove 13 with apron 17, sealed pad 18 is hugged closely with square frame 14 when apron 17 is extruded to the mounting groove 13 inboard again, thereby reach the effect of sealing the inside of mounting groove 13, and reach the effect of protecting power 15 and gamma post 16 through setting up sliding sleeve 8 and apron 17.

Wherein: the cover plate 17 and the sealing gasket 18 are adhered and fixed through glue, and the effect of conveniently removing and replacing the sealing gasket 18 is achieved through adhering and fixing the cover plate 17 and the sealing gasket 18 through glue.

Working principle: the utility model relates to a near-bit measuring device, which is characterized in that two bolts 20 at the front and rear parts of a sliding sleeve 8 are screwed out, then the sliding sleeve 8 slides downwards, the sliding sleeve 8 descends to drive a traction plate 9 to descend, the traction plate 9 descends to drive a limiting ring 10 to descend, the limiting ring 10 descends to move to the outside of a clamping groove 12, at the moment, a sliding rod 11 stops being limited, then the sliding rod 11 slides out of the inner side of a drill collar 2, then a drill bit 3 is pulled out downwards, at the moment, the drill bit 3, the drill collar 2 and a plug rod 4 are separated from a main body 1, so that the effect of quickly removing and replacing the drill bit 3 is achieved, and a cover plate 17 is plugged into the inner side of a mounting groove 13 by arranging a cover plate 17 and a sealing pad 18, then the cover plate 17 is pushed upwards, the cover plate 17 is extruded to the inner side of the mounting groove 13 by the inclined surface of the inner side of the sliding sleeve 8, the cover plate 17 is tightly attached to a square frame 14 when the cover plate 17 is extruded to the inner side of the mounting groove 13, and the gamma-ray protection effect of the gamma column 16 is achieved by arranging the sliding sleeve 8 and the cover plate 17.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The near-bit measuring device comprises a main body (1) and a drill collar (2), and is characterized in that: the drill collar is characterized in that a drill bit (3) is fixedly arranged at the bottom of the drill collar (2), a slot (5) is formed in the bottom of the main body (1), an inserting rod (4) is fixedly arranged at the top of the drill collar (2), the top end of the inserting rod (4) extends to the inside of the slot (5), a sliding rod (11) is connected to one side of the drill collar (2) in a sliding manner through an opening, a clamping groove (12) is formed in the bottom of the sliding rod (11), and a sliding mechanism is arranged on the surface of the main body (1);

slide mechanism is including setting up spout (6) in main part (1) both sides, the inside sliding connection of spout (6) has slider (7), one side welding of slider (7) has sliding sleeve (8), the top of sliding sleeve (8) inner wall sets up to the inclined plane, traction plate (9) have all been welded to the both sides of sliding sleeve (8) bottom, the bottom welding of traction plate (9) has spacing ring (10) that cooperatees with draw-in groove (12) and use.

2. A near bit measurement device as claimed in claim 1, wherein: the surface of main part (1) has seted up mounting groove (13), and mounting groove (13) are the annular and are provided with four, and front portion and rear portion the inner wall of mounting groove (13) is all fixed mounting has power (15), both sides the inner wall fixed mounting of mounting groove (13) has gamma post (16).

3. A near bit measurement device as claimed in claim 2, wherein: the inner wall of the mounting groove (13) is fixedly provided with a square frame (14), the inner side of the mounting groove (13) is provided with a cover plate (17), and one side of the cover plate (17) is provided with a sealing gasket (18).

4. A near bit measurement device as claimed in claim 1, wherein: limiting grooves (19) are formed in the front portion and the rear portion of the main body (1).

5. The near bit measurement device of claim 4, wherein: the front part and the rear part of the sliding sleeve (8) are connected with bolts (20) through threaded grooves.

6. The near bit measurement device of claim 5, wherein: one end of the bolt (20) close to the main body (1) extends to the inside of the limit groove (19).

7. A near bit measurement device as claimed in claim 3, wherein: the cover plate (17) and the sealing gasket (18) are adhered and fixed through glue.