CN216043660U - Throw excellent pressure trompil device - Google Patents
Throw excellent pressure trompil device Download PDFInfo
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- CN216043660U CN216043660U CN202122077840.6U CN202122077840U CN216043660U CN 216043660 U CN216043660 U CN 216043660U CN 202122077840 U CN202122077840 U CN 202122077840U CN 216043660 U CN216043660 U CN 216043660U
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- upper joint
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Abstract
The utility model provides a rod throwing pressure tapping device, and relates to the technical field of petroleum drilling. This throw excellent pressure trompil device includes top connection (1), sliding sleeve (2) and lower clutch (5), threaded connection is passed through in top connection (1) and lower clutch (5), sliding sleeve (2) set up the inside of top connection (1) and lower clutch (5), are located the junction of top connection (1) and lower clutch (5), sliding sleeve (2) are the pipe structure, are equipped with spacing step and shearing sleeve (8) on the outer face of cylinder of sliding sleeve (2), be equipped with in shearing sleeve (8) and insert shearing pin (9) of sliding sleeve (2), seted up on the spacing step with sliding sleeve (2) axial looks vertically through-hole, be equipped with striking round pin (3) in the through-hole, a plurality of by pass hole (6) have still been seted up on lower clutch (5). The utility model solves the technical problem that the pressure ignition and the tapping time are difficult to control.
Description
Technical Field
The utility model relates to the technical field of petroleum drilling, in particular to a rod throwing pressure tapping device.
Background
In the perforation operation process of an oil-gas well, the rod throwing detonation is a common detonation mode, the rod is thrown down from a well mouth in the working process, falls under the action of self gravity, and falls at a constant speed after a certain time under the action of resistance of well liquid in a pipe column, and finally the rod is thrown to impact a rod throwing pressure hole detonating device connected to the lower end of the pipe column to detonate a perforating gun.
The prior common bar-throwing detonating mode has the following problems:
1. the opening and the steam pocket are almost finished at the same time, so that the explosion is easily caused;
2. striking the striker pin loses a significant amount of the energy of the impact.
The patent CN201821782210.0 discloses a rod throwing pressure tapping detonating device, which comprises an upper joint, a lower joint, a pressure shearing tapping component and an impact detonating component, wherein the upper joint is fixedly connected with the lower joint, an upper inner diameter section and a lower inner diameter section are arranged in the upper joint, and the upper part of the upper inner diameter section is provided with a circulation hole A; an axial flow channel is formed in the lower connector, and the impact detonation component is fixed in the lower connector; the pressure shearing and punching assembly comprises a hollow mandrel, a shearing sleeve, a shearing nail and a clamping ring, the upper part of the mandrel is connected with the upper inner diameter section in a sliding and sealing mode, the lower part of the mandrel extends into the lower connector, and an annular boss is arranged on the mandrel; the shearing sleeve is fixed on the mandrel through a shearing nail, and the clamping ring is fixed at the lower part of the mandrel; the lower part of the mandrel is provided with an axial circulation groove, and the upper part of the mandrel is provided with a circulation hole B. The patent can reliably isolate the sleeve from the pipe column before perforation, and well liquid is prevented from entering the pipe column; after perforation, the tubular column and the casing can be automatically communicated, and subsequent operations such as well fluid circulation, testing, acid fracturing and the like can be conveniently carried out.
Patent CN201821385963.8 discloses a mechanical delay tapping device for a rod, which comprises an outer cylinder, a sliding sleeve, a spring and a striker; the sliding sleeve is arranged in the outer barrel, an annular boss is arranged on the outer wall of the sliding sleeve, an annular space filled with silicon oil is formed between the upper portion of the sliding sleeve and the outer barrel, and a spring in a compressed state is sleeved and arranged on the lower side of the sliding sleeve; a pin hole for a striker is formed in the side wall of the sliding sleeve, the striker is radially arranged in the pin hole, the bottom end of the striker is close to the side wall of the other side of the pin hole, and a blind hole communicated with the annular space is formed in the top surface of the striker; the plunger pin is provided with a liquid passing hole, and the sliding sleeve is blocked at the liquid passing hole in the initial state; the rod throwing mechanical delay perforating device is used in oil pipe transmission perforating operation, after a striker is broken through a rod throwing mode, silicone oil in a cavity is extruded from a small hole under the action of a spring, a sliding sleeve moves up slowly, and after a period of controllable time delay, a channel between a sleeve and an oil pipe is opened, so that time-controllable perforating is realized.
Patent CN201220617488.9 discloses a throw automatic trompil device of stick, including top connection, lower clutch, shearing round pin and slip center pin, be formed with sealed chamber between slip center pin and the top connection, sealed chamber includes sealed chamber and lower balanced chamber, and the shearing round pin sets up on the slip center pin that last sealed chamber corresponds, goes up the sealed intracavity and is provided with sealing liquid, is provided with down in the balanced intracavity and makes the elasticity mechanism of slip center pin upward movement with trompil and the annular space intercommunication of oil jacket after the disconnection of shearing round pin, and is provided with the intercommunicating pore that will balance chamber and slip center pin inner chamber intercommunication down on the slip center pin. This patent makes the slip center pin automatic about have pressure differential, guarantees to realize effectively the trompil. Meanwhile, after the holes are formed, the balance holes in the sliding central shaft enable the upper annular area and the lower annular area in the interlayer to be the same, the sliding central shaft cannot move under the action of underground pressure, the holes cannot be affected, the hole opening state is locked, and the oil well and the gas well are applicable.
The patent CN201721575626.0 discloses a percussion unlocking pressure tapping detonating device for oil-gas well perforation operation, which comprises an outer body structure, a guide sleeve, a screw cap and a locking mechanism, wherein the locking mechanism comprises a sliding sleeve, a steel ball, a supporting seat and a striker; the collision rod, the supporting seat and the sliding sleeve are coaxially sleeved from inside to outside; semicircular grooves are symmetrically formed in the inner wall of the sliding sleeve, the steel balls are located in the semicircular grooves and clamped between the outer wall of the large-diameter section of the impact bar and the semicircular grooves in a locking state, the sliding sleeve seals the liquid discharge hole, and the lower portion of the impact bar is fixed with the supporting seat through a shearing pin; when the external rod is thrown into the external structure, the shearing pin is cut off, the collision rod and the sliding sleeve move downwards along the axis, the liquid discharge hole is opened, and the oil pipe and annular circulation channel is opened. The design concept of the patent is novel, the effect is reliable, the method is suitable for the conventional perforation process and the negative pressure perforation process, the construction is rapid and efficient, and the problem that the test process cannot be smoothly carried out due to the fact that a production channel is accidentally closed after perforation is avoided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a rod throwing pressure tapping device. The device has the advantages of simple structure and reliable connection, can prevent the accidental detonation of the initiation device due to the water hammer effect caused by quick lifting in the well, and can not cause great loss of impact energy; and can also guarantee that the trompil appears after throwing the stick ignition, avoids oil gas liquid to get into in advance. The technical problem that the pressure ignition and the hole opening time are difficult to control is solved.
The technical problem that the pressure ignition and the hole opening time are difficult to control is solved.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a throw excellent pressure trompil device, includes top connection, sliding sleeve and lower clutch, wherein:
the upper joint is of a circular tube structure, and internal threads are arranged at two ends of the upper joint;
the lower joint is of a circular tube structure, and external threads are arranged at two ends of the lower joint;
the upper joint and the lower joint are connected through threads;
the sliding sleeve is arranged inside the upper joint and the lower joint and is positioned at the connecting part of the upper joint and the lower joint;
the sliding sleeve is of a circular tube structure, and a limiting step and a shearing sleeve are arranged on the outer cylindrical surface of the sliding sleeve;
a shearing pin inserted into the sliding sleeve is arranged in the shearing sleeve, so that mistaken hole opening caused by quick lifting in the process of going into the well can be prevented;
a through hole which is vertical to the axial direction of the sliding sleeve is formed in the limiting step, and an impact pin is arranged in the through hole;
the lower joint is also provided with a plurality of bypass holes;
and O-shaped sealing rings are arranged between the sliding sleeve and the upper joint, between the sliding sleeve and the lower joint and between the upper joint and the lower joint.
Alternatively or preferably, the striker pin is made of HPb 59-1.
Optionally or preferably, the impact pin is a plate-shaped structure with two wide ends and a narrow middle part, and a plurality of triangular grooves are formed in the middle section of the impact pin.
Alternatively or preferably, the striker pin passes through the centre of the circular cross-section of the sliding sleeve.
Optionally or preferably, a plurality of set screws are further arranged at the top of the internal thread of the upper joint and the root of the external thread of the lower joint, and the set screws connect the upper joint and the lower joint.
Optionally or preferably, the top of the upper joint internal thread and the root of the lower joint external thread are also provided with anti-back-off buttons.
Based on the technical scheme, the following technical effects can be generated:
(1) the structure is simple, the connection is reliable, and the sealing performance is good before the ignition of a cast rod;
(2) the impact pin with the unique shape can prevent the initiation device from being accidentally detonated by the water hammer effect caused by quick lifting in a well, and can not cause great loss of impact energy;
(3) the opening can be ensured to appear after the rod is thrown for ignition, and the oil gas liquid is prevented from entering in advance;
(4) all parts are made of pressure-resistant, high-temperature-resistant and corrosion-resistant materials, so that the underground working environment can be adapted;
(5) the connection among all the parts is reliable, and the existence of the set screw and the O-shaped ring ensures the connection reliability and the waterproof sealing performance of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view (cross-sectional view) of the present invention;
in the figure: 1-upper joint, 2-sliding sleeve, 3-impact pin, 4-anti-backing ring, 5-lower joint, 6-bypass hole, 7-set screw, 8-shearing sleeve and 9-shearing pin.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1:
this embodiment provides a throw excellent pressure trompil device, including top connection 1, sliding sleeve 2 and lower clutch 5, wherein:
the upper joint 1 is of a circular tube structure, and two ends of the upper joint are provided with internal threads;
the lower joint 5 is of a circular tube structure, and both ends of the lower joint are provided with external threads;
the upper joint 1 and the lower joint 5 are connected through threads;
the sliding sleeve 2 is arranged inside the upper joint 1 and the lower joint 5 and is positioned at the connection part of the upper joint 1 and the lower joint 5;
the sliding sleeve 2 is of a circular tube structure, and a limiting step and a shearing sleeve 8 are arranged on the outer cylindrical surface of the sliding sleeve 2;
a shearing pin 9 inserted into the sliding sleeve 2 is arranged in the shearing sleeve 8;
a through hole which is vertical to the axial direction of the sliding sleeve 2 is formed in the limiting step, and an impact pin 3 is arranged in the through hole;
the lower joint 5 is also provided with a plurality of bypass holes 6;
and O-shaped sealing rings are arranged between the sliding sleeve 2 and the upper joint 1, between the sliding sleeve 2 and the lower joint 5 and between the upper joint 1 and the lower joint 5.
In this embodiment, the striker pin 3 is made of HPb 59-1.
In this embodiment, the striker pin 3 has a plate-like structure with two wide ends and a narrow middle.
In this embodiment, the middle section of the striker pin 3 is provided with a plurality of triangular grooves.
In this embodiment, the striker pin 3 passes through the center of the circular cross section of the sliding sleeve 2.
In this embodiment, a plurality of set screws 7 are further arranged at the top of the internal thread of the upper joint 1 and the root of the external thread of the lower joint 5.
In this embodiment, the set screw 7 connects the upper joint 1 and the lower joint 5.
The embodiment has the following advantages:
1. the structure is simple, the connection is reliable, and the sealing performance is good before the ignition of a cast rod;
2. the impact pin with the unique shape can prevent the initiation device from being accidentally detonated by the water hammer effect caused by quick lifting in a well, and can not cause great loss of impact energy;
3. the opening can be ensured to appear after the rod is thrown for ignition, and the oil gas liquid is prevented from entering in advance;
4. all parts are made of pressure-resistant, high-temperature-resistant and corrosion-resistant materials, so that the underground working environment can be adapted;
5. the connection among all the parts is reliable, and the existence of the set screw and the O-shaped ring ensures the connection reliability and the waterproof sealing performance of the utility model.
Based on the embodiment 1 of the rod throwing pressure tapping device, the method comprises the following implementation steps:
s1, connecting the rod throwing pressure hole opening device to the hole pipe string and above the ignition device;
s2, descending the rod throwing pressure hole opening device to a specified position at the bottom of the well;
s3, casting the rod from the upper part;
s4, breaking the impact pin 3 by throwing a rod, impacting an ignition head, mechanically igniting, and perforating by using a perforating gun;
s5, under the action of the pressure at the bottom of the well or the action of manual pressing, the shearing pin 9 is sheared, the sliding sleeve 2 moves upwards, and the bypass hole 6 is opened;
and S6, injecting oil gas into the oil inlet pipe through the bypass hole 6.
Example 2:
this embodiment provides a throw excellent pressure trompil device, including top connection 1, sliding sleeve 2 and lower clutch 5, wherein:
the upper joint 1 is of a circular tube structure, one end of the upper joint is provided with an internal thread, and the other end of the upper joint is provided with an external thread;
the lower joint 5 is of a circular tube structure, and both ends of the lower joint are provided with external threads;
the upper joint 1 and the lower joint 5 are connected through threads;
the sliding sleeve 2 is arranged inside the upper joint 1 and the lower joint 5;
the sliding sleeve 2 is positioned at the connection position of the upper joint 1 and the lower joint 5;
the sliding sleeve 2 is of a circular tube structure;
a limiting step and a shearing sleeve 8 are arranged on the outer cylindrical surface of the sliding sleeve 2;
a shearing pin 9 inserted into the sliding sleeve 2 is arranged in the shearing sleeve 8;
a through hole which is vertical to the axial direction of the sliding sleeve 2 is formed in the limiting step, and an impact pin 3 is arranged in the through hole;
the lower joint 5 is also provided with a plurality of bypass holes 6;
and O-shaped sealing rings are arranged between the sliding sleeve 2 and the upper joint 1, between the sliding sleeve 2 and the lower joint 5 and between the upper joint 1 and the lower joint 5.
In this embodiment, the striker pin 3 has a plate-like structure with two wide ends and a narrow middle.
The middle section of the impact pin 3 is provided with a plurality of special-shaped stress grooves.
In this embodiment, the striker pin 3 passes through the center of the circular cross section of the sliding sleeve 2.
In this embodiment, a plurality of set screws 7 are further arranged at the top of the internal thread of the upper joint 1 and the root of the external thread of the lower joint 5.
In this embodiment, the set screw 7 connects the upper joint 1 and the lower joint 5.
In this embodiment, the top of the internal thread of the upper joint 1 and the root of the external thread of the lower joint 5 are also provided with anti-back buckles.
The embodiment has the following advantages:
1. the structure is simple, the connection is reliable, and the sealing performance is good before the ignition of a cast rod;
2. the impact pin with the unique shape can prevent the initiation device from being accidentally detonated by the water hammer effect caused by quick lifting in a well, and can not cause great loss of impact energy;
3. the opening can be ensured to appear after the rod is thrown for ignition, and the oil gas liquid is prevented from entering in advance;
4. all parts are made of pressure-resistant, high-temperature-resistant and corrosion-resistant materials, so that the underground working environment can be adapted;
5. the connection among all the parts is reliable, and the existence of the set screw and the O-shaped ring ensures the connection reliability and the waterproof sealing performance of the utility model.
Based on the embodiment 1 of the rod throwing pressure tapping device, the method comprises the following implementation steps:
s1, connecting the rod throwing pressure hole opening device to the hole pipe string and above the ignition device;
s2, descending the rod throwing pressure hole opening device to a specified position at the bottom of the well;
s3, casting the rod from the upper part;
s4, breaking the impact pin 3 by throwing a rod, impacting an ignition head, mechanically igniting, and perforating by using a perforating gun;
s5, under the action of the pressure at the bottom of the well or the action of manual pressing, the shearing pin 9 is sheared, the sliding sleeve 2 moves upwards, and the bypass hole 6 is opened;
and S6, injecting oil gas into the oil inlet pipe through the bypass hole 6.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a throw excellent pressure trompil device which characterized in that: including top connection (1), sliding sleeve (2) and lower clutch (5), wherein:
the upper joint (1) is of a circular tube structure, and two ends of the upper joint are provided with internal threads;
the lower joint (5) is of a circular tube structure, and both ends of the lower joint are provided with external threads;
the upper joint (1) is connected with the lower joint (5) through threads;
the sliding sleeve (2) is arranged inside the upper joint (1) and the lower joint (5) and is positioned at the connection part of the upper joint (1) and the lower joint (5);
the sliding sleeve (2) is of a circular tube structure, and a limiting step and a shearing sleeve (8) are arranged on the outer cylindrical surface of the sliding sleeve (2);
a shearing pin (9) inserted into the sliding sleeve (2) is arranged in the shearing sleeve (8);
a through hole which is vertical to the axial direction of the sliding sleeve (2) is formed in the limiting step, and an impact pin (3) is arranged in the through hole;
the lower joint (5) is also provided with a plurality of bypass holes (6);
o-shaped sealing rings are arranged between the sliding sleeve (2) and the upper joint (1), between the sliding sleeve (2) and the lower joint (5) and between the upper joint (1) and the lower joint (5).
2. A rod casting pressure tapping device as claimed in claim 1, wherein: the striker pin (3) is made of HPb 59-1.
3. A rod casting pressure tapping device as claimed in claim 1, wherein: the impact pin (3) is of a plate-shaped structure with two wide ends and a narrow middle part, and the middle section of the impact pin (3) is provided with a plurality of triangular grooves.
4. A rod casting pressure tapping device as claimed in claim 1, wherein: the impact pin (3) penetrates through the center of the circular section of the sliding sleeve (2).
5. A rod casting pressure tapping device as claimed in claim 1, wherein: the top of the internal thread of the upper joint (1) and the root of the external thread of the lower joint (5) are also provided with a plurality of set screws (7), and the set screws (7) connect the upper joint (1) and the lower joint (5).
6. A rod casting pressure tapping device as claimed in claim 1, wherein: the top of the internal thread of the upper joint (1) and the root of the external thread of the lower joint (5) are also provided with anti-back buckles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122077840.6U CN216043660U (en) | 2021-08-31 | 2021-08-31 | Throw excellent pressure trompil device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122077840.6U CN216043660U (en) | 2021-08-31 | 2021-08-31 | Throw excellent pressure trompil device |
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| Publication Number | Publication Date |
|---|---|
| CN216043660U true CN216043660U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122077840.6U Active CN216043660U (en) | 2021-08-31 | 2021-08-31 | Throw excellent pressure trompil device |
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| CN (1) | CN216043660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530501A (en) * | 2021-08-31 | 2021-10-22 | 成都若克菲斯科技有限公司 | Rod throwing pressure tapping device and tapping method thereof |
-
2021
- 2021-08-31 CN CN202122077840.6U patent/CN216043660U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530501A (en) * | 2021-08-31 | 2021-10-22 | 成都若克菲斯科技有限公司 | Rod throwing pressure tapping device and tapping method thereof |
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