CN210829129U - Drill-following debris removal bed nipple - Google Patents
Drill-following debris removal bed nipple Download PDFInfo
- Publication number
- CN210829129U CN210829129U CN201921531860.2U CN201921531860U CN210829129U CN 210829129 U CN210829129 U CN 210829129U CN 201921531860 U CN201921531860 U CN 201921531860U CN 210829129 U CN210829129 U CN 210829129U
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- nipple
- section
- energy storage
- sliding block
- inclined plane
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Abstract
The utility model belongs to the technical field of the well drilling, in particular to nipple joint that detritus bed was clear away can follow drilling. A nipple joint for removing a detritus bed while drilling comprises a nipple joint body, wherein a central flow channel is formed in the center of the nipple joint body; the middle part of the short section body except the upper connecting end and the lower connecting end is a cylindrical barrel, and a reducing end is arranged in the middle of the cylindrical barrel; the pipe nipple comprises a nipple body and a pipe nipple body, wherein a limiting cavity is formed between the outer shell and the reducing end of the nipple body; the nipple body is provided with a groove, a spring is arranged in the groove, one end of the spring is connected with the bottom end of the groove, and the other end of the spring is connected with an energy storage block; the bottom end of the energy storage block is equal to the reducing end in height; a sliding block is arranged between the energy storage block and the shell; the sliding block and the energy storage block slide relatively. The utility model discloses along with boring to clear away detritus bed nipple joint, simple structure, convenient to use can carry out the detritus bed along with boring and clear away.
Description
Technical Field
The utility model belongs to the technical field of the well drilling, in particular to nipple joint that detritus bed was clear away can follow drilling.
Background
Solid particles in a well bore are influenced by the action of gravity, viscous resistance, impact force and buoyancy in the drilling process, when the concentration of rock debris is greater than the working capacity of acting force, the rock debris can be settled to generate a rock debris bed, the mechanical drilling speed is seriously influenced by the rock debris bed, the drilling resistance is increased, and particularly, the underground decompression phenomenon is easy to form in directional wells and horizontal wells, so that the drill bit has no drilling pressure, no footage is made for a long time, the engineering progress is slow, and the drilling cost is increased; the torque of a drill column is increased due to the rock debris bed, and when the drill column in the well is seriously twisted off, serious underground accidents are caused; the detritus bed is also the main cause of sticking of the drilling tool, and the presence of the detritus bed blocks the testing tool below.
The existing method for removing the detritus bed mainly comprises an ① speed-increasing return method, a ② mud property improving method and a ③ mechanical removing method, wherein the methods are usually combined in site construction, although the methods are favorable for removing rock, the drilling process is complicated, particularly, the mechanical removing method needs to be started up and stopped down in a short time, and the drilling efficiency is seriously influenced.
Disclosure of Invention
To the above problem, the utility model provides a under the condition that does not influence well drilling efficiency, the detritus bed is clear away along with boring to high-efficient detritus bed nipple joint of cleaing away.
The technical scheme of the utility model lies in:
a nipple joint for removing a detritus bed while drilling comprises a nipple joint body, wherein a central flow channel is formed in the center of the nipple joint body; the middle part of the short section body except the upper connecting end and the lower connecting end is a cylindrical barrel, and a nozzle flow channel is arranged on the side wall of the cylindrical barrel; the outer side wall of the cylindrical barrel is uniformly provided with 4 bulges, and the adjacent 2 bulges are connected through an arc-shaped groove; the middle of the cylindrical barrel is provided with a reducing end; the pipe nipple comprises a nipple body and a pipe nipple body, wherein a limiting cavity is formed between the outer shell and the reducing end of the nipple body; the nipple body is provided with a groove, a spring is arranged in the groove, one end of the spring is connected with the bottom end of the groove, and the other end of the spring is connected with an energy storage block; the bottom end of the energy storage block is equal to the reducing end in height; a sliding block is arranged between the energy storage block and the shell; the sliding block and the energy storage block slide relatively.
The cylinder of the short section body is divided into three sections with different outer diameters, namely an upper section, a middle section and a lower section; the outer diameter of the middle section is less than that of the lower section and less than that of the upper section; a right angle is formed at the junction of the middle section and the upper end, and an inclined plane with a negative slope is formed at the junction of the middle section and the lower section; the bottom end of the energy storage block is an inclined plane with a positive slope; an inclined plane with a negative slope and an inclined plane with a positive slope form an included angle;
the lower end of the sliding block is clamped with the short section body, and the upper end of the sliding block extends into the limiting cavity; a cavity is arranged in the middle of the sliding block, a motion inclined plane with a positive slope is arranged at the lower end of the cavity, and the upper starting end of the inclined plane is as high as the junction of the middle section and the lower section; the ball bearing is clamped between the included angle and the motion inclined plane.
And the lower end of the nipple body is provided with a limiting device for clamping the sliding block.
The limiting device comprises a limiting groove and a limiting step; the limiting step is connected with the lower connecting end. The sliding block is used for limiting the sliding block downwards to prevent the sliding block from falling off; the limiting step is used for preventing the sliding block from moving left and right.
The shell is connected with the nipple body through threads.
The technical effects of the utility model reside in that:
the utility model discloses cleaing away detritus bed nipple joint along boring, when meetting the detritus bed, spacing chamber upward movement is followed to the slider, energy storage piece upward movement this moment, spring compression, when slider upper end and spacing chamber top contact, nozzle runner and well annular space intercommunication, the drilling fluid flows from the nozzle runner in the central runner this moment, produces the liquid stream pulse, strikes the detritus bed, and the detritus bed is scraped to the arc recess 14 of nipple joint body simultaneously to improve the drilling fluid flow state, thereby clears away and destroys the detritus bed. The utility model discloses simple structure, convenient to use can carry out the detritus bed along with boring and clear away.
Drawings
Fig. 1 is the utility model relates to a along with boring clear away detritus bed nipple joint schematic structure.
Figure 2 is the utility model relates to a along with boring clear away detritus bed nipple joint A-A section view.
Figure 3 is the utility model relates to a along with boring clear away detritus bed nipple joint B-B section view.
Reference numerals: 1-an upper connection end; 2-nipple body; 3-a housing; 4-a spring; 5-a limit cavity; 6-a slide block; 7-an energy storage block; 8-a ball bearing; 9-motion slope; 10-nozzle flow channel; 11-a limit step; 12-a lower connection end; 13-a central flow channel; 14-arc groove; 15-limiting groove.
Detailed Description
Example 1
A nipple joint for removing a detritus bed while drilling comprises a nipple joint body 2, wherein a central flow channel 13 is formed in the center of the nipple joint body 2, an upper connecting end 1 is arranged at the upper part of the nipple joint body 2, and a lower connecting end 12 is arranged at the lower part of the nipple joint body; the middle part of the short section body 2 except the upper connecting end 1 and the lower connecting end 12 is a cylindrical barrel, and a nozzle flow channel 10 is arranged on the upper side wall of the cylindrical barrel; the outer side wall of the cylindrical barrel is uniformly provided with 4 bulges, and the adjacent 2 bulges are connected through an arc-shaped groove 14; the middle of the cylindrical barrel is provided with a reducing end; the pipe nipple joint further comprises a shell 3 positioned outside the pipe nipple body 2, and a limiting cavity 5 is formed between the shell 3 and the reducing end of the pipe nipple body 2; the nipple body 2 is provided with a groove, a spring 4 is arranged in the groove, one end of the spring 4 is connected with the bottom end of the groove, and the other end of the spring 4 is connected with an energy storage block 7; the bottom end of the energy storage block 7 is equal to the reducing end in height; a sliding block 6 is also arranged between the energy storage block 7 and the shell 3; the sliding block 6 and the energy storage block 7 slide relatively.
The specific implementation process of the embodiment is as follows:
when meetting the detritus bed, slider 6 is along spacing chamber 5 upward movement, and energy storage piece 7 upward movement this moment, spring 4 compression, when slider 6 upper end and 5 top contacts in spacing chamber, nozzle runner 10 and well annular space intercommunication, drilling fluid flows out from nozzle runner 10 in the central flow channel 13 this moment, produces the liquid stream pulse, strikes the detritus bed, and the detritus bed is scraped to arc recess 14 of nipple joint body 2 simultaneously to improve drilling fluid flow state, thereby clear away and destroy the detritus bed.
Example 2
On the basis of the embodiment 1, the cylindrical cylinder of the nipple body 2 is divided into three sections with different outer diameters, namely an upper section, a middle section and a lower section; the outer diameter of the middle section is less than that of the lower section and less than that of the upper section; a right angle is formed at the junction of the middle section and the upper end, and an inclined plane with a negative slope is formed at the junction of the middle section and the lower section; the bottom end of the energy storage block 7 is an inclined plane with a positive slope; an inclined plane with a negative slope and an inclined plane with a positive slope form an included angle; the lower end of the sliding block 6 is clamped with the nipple body 2, and the upper end of the sliding block extends into the limiting cavity 5; a cavity is arranged in the middle of the sliding block 6, a motion inclined plane 9 with a positive slope is arranged at the lower end of the cavity, and the upper starting end of the inclined plane is as high as the junction of the middle section and the lower section; the device also comprises a ball 8, wherein the ball 8 is clamped between the included angle and the motion inclined plane 9. And the lower end of the nipple body 2 is provided with a limiting device for clamping the sliding block 6. The limiting device comprises a limiting groove 15 and a limiting step 11; the limiting step 11 is connected with the lower connecting end 12. The sliding block 6 is used for limiting the sliding block 6 downwards, so that the sliding block 6 is prevented from falling off; the limit step 11 is used for preventing the slide block 6 from moving left and right. The shell 3 is connected with the nipple body 2 through threads.
The specific implementation process of the embodiment is as follows:
when meetting the detritus bed, slider 6 promotes ball 8 and upwards moves along spacing chamber 5, and energy storage piece 7 upwards moves this moment, and spring 4 compresses, and when slider 6 upper end and 5 top contacts in spacing chamber, nozzle runner 10 and well annular space intercommunication, drilling fluid flowed out from nozzle runner 10 in the central flow channel 13 this moment, produced the liquid pulse, strikeed the detritus bed, and the detritus bed is scraped to arc recess 14 of nipple joint body 2 simultaneously to improve the drilling fluid flow state, thereby the clearance destroys the detritus bed.
Claims (5)
1. A nipple joint for removing a detritus bed while drilling comprises a nipple joint body (2) with a central flow passage (13) formed in the center, wherein an upper connecting end (1) is arranged at the upper part of the nipple joint body (2), and a lower connecting end (12) is arranged at the lower part of the nipple joint body; the method is characterized in that: the middle part of the short section body (2) except the upper connecting end (1) and the lower connecting end (12) is a cylindrical barrel, and a nozzle flow channel (10) is arranged on the upper side wall of the cylindrical barrel; the outer side wall of the cylindrical barrel is uniformly provided with 4 bulges, and the adjacent 2 bulges are connected through an arc-shaped groove (14); the middle of the cylindrical barrel is provided with a reducing end; the pipe nipple joint is characterized by further comprising a shell (3) positioned outside the nipple joint body (2), wherein a limiting cavity (5) is formed between the shell (3) and the reducing end of the nipple joint body (2); the short section body (2) is provided with a groove, a spring (4) is arranged in the groove, one end of the spring (4) is connected with the bottom end of the groove, and the other end of the spring (4) is connected with an energy storage block (7); the bottom end of the energy storage block (7) is equal to the reducing end in height; a sliding block (6) is also arranged between the energy storage block (7) and the shell (3); the sliding block (6) and the energy storage block (7) slide relatively.
2. The cuttings-while-drilling removing short joint as recited in claim 1, wherein: the cylinder of the short section body (2) is divided into three sections with different outer diameters, namely an upper section, a middle section and a lower section; the outer diameter of the middle section is less than that of the lower section and less than that of the upper section; a right angle is formed at the junction of the middle section and the upper end, and an inclined plane with a negative slope is formed at the junction of the middle section and the lower section; the bottom end of the energy storage block (7) is an inclined plane with a positive slope; an inclined plane with a negative slope and an inclined plane with a positive slope form an included angle;
the lower end of the sliding block (6) is clamped with the short section body (2), and the upper end of the sliding block extends into the limiting cavity (5); a cavity is arranged in the middle of the sliding block (6), a motion inclined plane (9) with a positive slope is arranged at the lower end of the cavity, and the upper starting end of the inclined plane is as high as the junction of the middle section and the lower section; the ball bearing (8) is clamped between the included angle and the motion inclined plane (9).
3. The cuttings-while-drilling removing short joint as recited in claim 2, wherein: and the lower end of the nipple body (2) is provided with a limiting device used for clamping the sliding block (6).
4. The cuttings-while-drilling removing short joint as recited in claim 3, wherein: the limiting device comprises a limiting groove (15) and a limiting step (11); the limiting step (11) is connected with the lower connecting end (12).
5. The cuttings-while-drilling removing short joint as recited in claim 4, wherein: the shell (3) is connected with the nipple body (2) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921531860.2U CN210829129U (en) | 2019-09-16 | 2019-09-16 | Drill-following debris removal bed nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921531860.2U CN210829129U (en) | 2019-09-16 | 2019-09-16 | Drill-following debris removal bed nipple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210829129U true CN210829129U (en) | 2020-06-23 |
Family
ID=71263713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921531860.2U Expired - Fee Related CN210829129U (en) | 2019-09-16 | 2019-09-16 | Drill-following debris removal bed nipple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210829129U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187413A (en) * | 2021-05-26 | 2021-07-30 | 陕西延长石油（集团）有限责任公司 | Short joint and drill string assembly for removing rock debris during tripping and use method |
| CN113404423A (en) * | 2021-08-20 | 2021-09-17 | 四川深远石油钻井工具股份有限公司 | Anti-sticking structure and anti-sticking drilling tool with same |
-
2019
- 2019-09-16 CN CN201921531860.2U patent/CN210829129U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187413A (en) * | 2021-05-26 | 2021-07-30 | 陕西延长石油（集团）有限责任公司 | Short joint and drill string assembly for removing rock debris during tripping and use method |
| CN113404423A (en) * | 2021-08-20 | 2021-09-17 | 四川深远石油钻井工具股份有限公司 | Anti-sticking structure and anti-sticking drilling tool with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |