CN208564516U - A kind of horizontal well hydraulic orientation spray gun - Google Patents
A kind of horizontal well hydraulic orientation spray gun Download PDFInfo
- Publication number
- CN208564516U CN208564516U CN201820857840.3U CN201820857840U CN208564516U CN 208564516 U CN208564516 U CN 208564516U CN 201820857840 U CN201820857840 U CN 201820857840U CN 208564516 U CN208564516 U CN 208564516U
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- orientation
- spray gun
- fluid cylinder
- envelope
- upper case
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Abstract
The utility model relates to well production increment fracturing work technical fields, spray gun is oriented more particularly to a kind of horizontal well hydraulic, divide tooth fluid cylinder including orientation, envelope set, orient steel ball, thrust bearing and nozzle, orientation divides tooth fluid cylinder and top connection to form annular space, reset spring is set in annular space, the right part of top connection is connect with upper case, the internal sleeve of upper case is equipped with envelope set, center-pole, which passes through envelope set and is connected internally to orient, to be divided on the internal screw thread of tooth fluid cylinder right end, upper case, orientation, which is divided between tooth fluid cylinder and envelope set, forms a confined space, orientation steel ball is placed in the space, upper case right end is threadedly coupled with connector sleeve, the both ends of connector sleeve are symmetrical arranged thrust bearing, the right end of envelope set is connected on spray gun shell.The utility model can realize that the pressure to spray gun shell is oriented by hydraulic driving mode, and orientation success rate is high, and reusable after tool maintenance, cost is relatively low.
Description
Technical field
The utility model relates to well production increment fracturing work technical fields, orient more particularly to a kind of horizontal well hydraulic
Spray gun.
Background technique
In recent years, stimulation work was increasingly becoming the most important job content of oil gas field.Pass through hydraulic perforating waterpower pressure
Split be pressure break principal mode, this operation can further expand oil gas well capacity, improve recovery ratio.It is tested by many years operation
Card, improving production capacity by hydraulic perforating fracture stimulation operations is very reliably that income is high.But part of horizontal well, water
Flat section is uneven in vertical direction petroleum distribution, and part direction is there are water layer, once perforation leads to water layer, when pressure break will be by water layer
It is linked up with pit shaft, causes oil/gas well to be largely discharged, seriously affect and especially produce.
At present for solves the problems, such as oil reservoirs of horizontal well be unevenly distributed lead to pressure break after be discharged in well, have mechanical oriented perforating
With cable type oriented perforating technology.Mechanical oriented perforating tool setting-up eccentricity pouring weight near perforation part, relies in well
Gravity realizes that spray gun orients, and such mode is affected by environment in well, and job success ratio is lower.Cable type oriented perforating skill
Art realizes well interior orientation by gyroscope, and such operation mode cost is high.
Summary of the invention
The deficiency of the utility model in order to overcome the above technical problems provides a kind of horizontal well hydraulic orientation spray gun, can
The pressure orientation for realizing perforating gun is pushed by borehole pressure, significant effect, cost is relatively low.
The technical solution for solving above-mentioned technical problem is as follows:
A kind of horizontal well hydraulic orients spray gun, including orientation divide tooth fluid cylinder, envelope set, orientation steel ball, thrust bearing and
Nozzle, orientation divide tooth fluid cylinder to be socketed in inside top connection, and form annular space with top connection, and setting resets bullet in the annular space
The right part of spring, top connection is connect with upper case, and the internal sleeve of the upper case is equipped with envelope set, and center-pole passes through
Envelope set is connected internally to orientation and divides on the internal screw thread of tooth fluid cylinder right end, and upper case, orientation divide tooth fluid cylinder and envelope set
Between form a confined space, place in the space and orient steel ball, the upper case right end is threadedly coupled with connector sleeve,
The both ends of the connector sleeve are symmetrical arranged thrust bearing, and the right end of the envelope set is threadedly attached in spray gun shell
On, several nozzles are set on spray gun shell, and spray gun shell right end passes through with connector sleeve in rotation inside rotational shell is passed through
It is threadedly coupled, forms internal boss in rotational shell and rotation between connector sleeve, two thrusts are set in the internal boss
Bearing, the rotational shell right part are connected through a screw thread with lower contact.
It further says, the orientation divides tooth fluid cylinder to be cylindrical structure, and the orientation divides the front end of tooth fluid cylinder
10-16 groove is circumferentially equidistantly opened up as dividing slot gap to be oriented, the length for dividing slot gap is 5-10cm.
It further says, is provided with envelope in the envelope set, the bottom of the envelope is provided with diameter
The elongated slot of steel ball entrance can be accommodated.It is rolled into elongated slot convenient for steel ball, final stable orientation.
The beneficial effects of the utility model are:
The utility model can realize that the pressure to spray gun shell is oriented by hydraulic driving mode, and orientation success rate is high,
Reusable after tool maintenance, cost is relatively low.Spray gun interior elongated slot is covered with envelope when ground is installed to fix as needed
It is good.After tool is lowered into net horizontal section, orientation steel ball under the effect of gravity, rolls down to annular space bottom.Tubing string is improved at this time
Interior pressure, orientation divide tooth fluid cylinder to move forward under fluid power promotion, and the steel ball that bottom is fallen into moving process can be fallen into from it
Nearest divides in slot gap.Orientation is completed at this time, it is only necessary to which in movement forward, steel ball connects with the envelope inside envelope set
Touching, and then push envelope set rotation.Envelope set will drive the rotation of spray gun shell, the final orientation for realizing nozzle.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that the orientation of the utility model divides the structural schematic diagram of tooth fluid cylinder；
Fig. 3 is the envelope wire sheath construction schematic diagram of the utility model；
In figure: 1 is top connection, and 2 be reset spring, and 3 divide tooth fluid cylinder for orientation, and 4 be upper case, and 5 be envelope set, 6
To orient steel ball, 7 be center bar, and 8 be thrust bearing, and 9 be connector sleeve, and 10 be spray gun shell, and 11 be nozzle, and 12 is outer for rotation
Shell, 13 is rotate interior connector sleeve, and 14 be lower contact, and 15 is divide slot gap, and 16 be envelope, and 17 be elongated slot.
Specific embodiment
Embodiment 1:
As shown in Figure 1-3, a kind of horizontal well hydraulic orients spray gun, including orientation divides tooth fluid cylinder 3, envelope set 5, orientation steel
Pearl 6, thrust bearing 8 and nozzle 11, orientation divide tooth fluid cylinder 3 to be socketed in inside top connection 1, and form annular space, annular space with top connection 1
Interior setting reset spring 2, the right part of top connection 1 are connect with upper case 4, and the internal sleeve of upper case 4 is equipped with envelope set
5, center-pole 7, which passes through envelope set 5 and is connected internally to orient, to be divided on the internal screw thread of 3 right end of tooth fluid cylinder, upper case 4, orientation point
Form a confined space between tooth fluid cylinder 3 and envelope set 5, place orientation steel ball 6 in the space, 4 right end of upper case and
Connector sleeve 9 is threadedly coupled, and the both ends of connector sleeve 9 are symmetrical arranged thrust bearing 8, and the right end of envelope set 5 is threadedly attached in
On spray gun shell 10, several nozzles 11 are set on spray gun shell 10,10 right end of spray gun shell with pass through inside rotational shell 12
Rotation in connector sleeve 13 be connected through a screw thread, rotational shell 12 and form internal boss between connector sleeve 13 in rotating, it is internal
Two thrust bearings 8 are set in boss, and 12 right part of rotational shell is connected through a screw thread with lower contact 14.
Orientation divide tooth fluid cylinder 3 be cylindrical structure, orientation divide the front end of tooth fluid cylinder 3 circumferentially equidistantly open up 10 it is recessed
For slot as dividing slot gap 15 to be oriented, dividing the length of slot gap 15 is 5cm.
Envelope 16 is provided in envelope set 5, the bottom of envelope 16, which is provided with diameter, can accommodate the length of steel ball entrance
Slot 17.It is rolled into elongated slot convenient for steel ball, final stable orientation.
Embodiment 2:
A kind of horizontal well hydraulic orientation spray gun, including orientation divide tooth fluid cylinder 3, envelope set 5, orientation steel ball 6, thrust bearing
8 and nozzle 11, orientation divides tooth fluid cylinder 3 to be socketed in inside top connection 1, and forms annular space with top connection 1, and setting resets bullet in annular space
The right part of spring 2, top connection 1 is connect with upper case 4, and equipped with envelope set 5, center-pole 7 passes through the internal sleeve of upper case 4
Envelope set 5 is connected internally to orientation and divides on the internal screw thread of 3 right end of tooth fluid cylinder, and upper case 4, orientation divide tooth fluid cylinder 3 and envelope
A confined space is formed between line set 5, orientation steel ball 6 is placed in the space, and 4 right end of upper case and 9 screw thread of connector sleeve connect
It connecing, the both ends of connector sleeve 9 are symmetrical arranged thrust bearing 8, and the right end of envelope set 5 is threadedly attached on spray gun shell 10,
Several nozzles 11,10 right end of spray gun shell and the connector sleeve in the rotation inside rotational shell 12 are set on spray gun shell 10
13 are connected through a screw thread, and form internal boss, setting two in internal boss in rotational shell 12 and rotation between connector sleeve 13
Thrust bearing 8,12 right part of rotational shell are connected through a screw thread with lower contact 14.
Orientation divide tooth fluid cylinder 3 be cylindrical structure, orientation divide the front end of tooth fluid cylinder 3 circumferentially equidistantly open up 16 it is recessed
For slot as dividing slot gap 15 to be oriented, dividing the length of slot gap 15 is 10cm.
Envelope 16 is provided in envelope set 5, the bottom of envelope 16, which is provided with diameter, can accommodate the length of steel ball entrance
Slot 17.It is rolled into elongated slot convenient for steel ball, final stable orientation.
Embodiment 3:
A kind of horizontal well hydraulic orientation spray gun, including orientation divide tooth fluid cylinder 3, envelope set 5, orientation steel ball 6, thrust bearing
8 and nozzle 11, orientation divides tooth fluid cylinder 3 to be socketed in inside top connection 1, and forms annular space with top connection 1, and setting resets bullet in annular space
The right part of spring 2, top connection 1 is connect with upper case 4, and equipped with envelope set 5, center-pole 7 passes through the internal sleeve of upper case 4
Envelope set 5 is connected internally to orientation and divides on the internal screw thread of 3 right end of tooth fluid cylinder, and upper case 4, orientation divide tooth fluid cylinder 3 and envelope
A confined space is formed between line set 5, orientation steel ball 6 is placed in the space, and 4 right end of upper case and 9 screw thread of connector sleeve connect
It connecing, the both ends of connector sleeve 9 are symmetrical arranged thrust bearing 8, and the right end of envelope set 5 is threadedly attached on spray gun shell 10,
Several nozzles 11,10 right end of spray gun shell and the connector sleeve in the rotation inside rotational shell 12 are set on spray gun shell 10
13 are connected through a screw thread, and form internal boss, setting two in internal boss in rotational shell 12 and rotation between connector sleeve 13
Thrust bearing 8,12 right part of rotational shell are connected through a screw thread with lower contact 14.
Orientation divide tooth fluid cylinder 3 be cylindrical structure, orientation divide the front end of tooth fluid cylinder 3 circumferentially equidistantly open up 12 it is recessed
For slot as dividing slot gap 15 to be oriented, dividing the length of slot gap 15 is 8cm.
Envelope 16 is provided in envelope set 5, the bottom of envelope 16, which is provided with diameter, can accommodate the length of steel ball entrance
Slot 17.It is rolled into elongated slot convenient for steel ball, final stable orientation.
The working principle of the utility model is:
When ground connects, what the nozzle on spray gun shell was installed as needed has centainly with the upper elongated slot of envelope set
Angle corresponding relationship.Steel ball is due to gravity, when pipe string is in horizontal or level of approximation position, under free state always
Annular space bottom can be in.When adherence pressure in tubing string, orientation divides tooth fluid cylinder under fluid power promotion, and compressed spring is to Forward
It is dynamic.When its front end divides tooth to be moved to steel ball position, steel ball can be promoted in its point of tooth socket closest to bottom.Orientation
Tooth fluid cylinder is divided to continue to move along, steel ball falls in point tooth socket and moves.It is connect when it is moved to the envelope of envelope set
When touching,
Steel ball will push envelope set rotation, until steel ball is fallen into elongated slot.Orientation divides tooth fluid cylinder that can pass through with top connection
Key slot locking direction (does not show that in figure, and has bearing before and after rear end envelope set rotary part, frictional force is small, illustrates
During steel ball pushes envelope set rotation, orientation divides tooth fluid cylinder that its direction is kept not rotate, and such steel ball is just constantly in
The bottom of gravity direction.) when it falls into elongated slot,
Elongated slot is at gravity bottom.Because the nozzle when ground is installed on spray gun shell just has with what elongated slot was set
Certain angle corresponding relationship, thus be achieved that at this time hydraulic control nozzle in the orientation of underground,
Then it can be carried out the perforating and fracturing operation of orientation.After oriented perforating pressure break when this section of stratum is completed.
Pressure in tubing string is laid down, orientation divides tooth fluid cylinder to return to initial position under the action of the spring.Steel ball has also returned to initial position at this time.
Next section of oriented perforating fracturing work can be carried out by continuing lower tubular column.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, it is all according to any simple modification to the above embodiments in the technical essence of the utility model, equivalent variations, fall
Enter within the protection scope of the utility model.
Claims (3)
1. a kind of horizontal well hydraulic orients spray gun, which is characterized in that divide tooth fluid cylinder including orientation, envelope set, orientation steel ball, push away
Power bearing and nozzle, the orientation divide tooth fluid cylinder to be socketed in inside top connection, and form annular space, the annular space with top connection
Interior setting reset spring, the right part of top connection are connect with upper case, and the internal sleeve of the upper case is equipped with envelope
Set, center-pole, which passes through envelope set and is connected internally to orient, to be divided on the internal screw thread of tooth fluid cylinder right end, and upper case, orientation divide tooth liquid
A confined space is formed between cylinder and envelope set, and orientation steel ball, the upper case right end and company are placed in the space
Female connector is threadedly coupled, and the both ends of the connector sleeve are symmetrical arranged thrust bearing, and the right end of the envelope set passes through screw thread
It is connected on spray gun shell, several nozzles, spray gun shell right end and the rotation inside rotational shell is set on spray gun shell
Connector sleeve is connected through a screw thread in turning, and forms internal boss, the internal boss between connector sleeve in rotational shell and rotation
Two thrust bearings of interior setting, the rotational shell right part is connected through a screw thread with lower contact.
2. horizontal well hydraulic according to claim 1 orients spray gun, which is characterized in that the orientation divides tooth fluid cylinder for circle
Column structure, the orientation divide the front end of tooth fluid cylinder circumferentially equidistantly open up 10-16 groove as divide slot gap into
Row orientation, the length for dividing slot gap are 5-10cm.
3. horizontal well hydraulic according to claim 1 orients spray gun, which is characterized in that be provided in the envelope set
Envelope, the bottom of the envelope, which is provided with diameter, can accommodate the elongated slot of steel ball entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820857840.3U CN208564516U (en) | 2018-06-05 | 2018-06-05 | A kind of horizontal well hydraulic orientation spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820857840.3U CN208564516U (en) | 2018-06-05 | 2018-06-05 | A kind of horizontal well hydraulic orientation spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208564516U true CN208564516U (en) | 2019-03-01 |
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| CN201820857840.3U Withdrawn - After Issue CN208564516U (en) | 2018-06-05 | 2018-06-05 | A kind of horizontal well hydraulic orientation spray gun |
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