CN210637060U - Recoverable many branches of energy storage formula increase production instrument in advance - Google Patents
Recoverable many branches of energy storage formula increase production instrument in advance Download PDFInfo
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- CN210637060U CN210637060U CN201921607738.9U CN201921607738U CN210637060U CN 210637060 U CN210637060 U CN 210637060U CN 201921607738 U CN201921607738 U CN 201921607738U CN 210637060 U CN210637060 U CN 210637060U
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Abstract
The utility model discloses a recoverable many branches of energy storage formula increase production instrument in advance, hold in the palm, drilling rod, energy storage spring, go up the spring and hold in the palm, lead pressure pin, cutter, power carousel, transmission shaft, turbine power assembly, right axle and water conservancy diversion and right the piece including shell body, guide block, drill bit, lower spring. The utility model has the advantages that: the tool can be integrally recycled under the action of the self energy storage spring, the downhole operation can be continued only by replacing the pressure guide pin, the multi-branch production increasing operation cost can be greatly saved from the aspect of the tool cost, the use of the tool can greatly reduce the well building cost, reduce the construction risk, reduce the well drilling period, improve the production increasing diameter and improve the economic benefit, and meanwhile, the implementation and operation effects of oil and gas well development operation, production increasing operation and other operations are not influenced.
Description
Technical Field
The utility model relates to a multi-branch yield increasing tool specifically is a recoverable multi-branch yield increasing tool of energy storage formula in advance, belongs to oil, natural gas drilling tool technical field.
Background
The well completion stage after the oil and gas well drilling is completed generally comprises two operations of perforating and fracturing, the multi-branch production increasing tool is a stage for completing and combining the two operations at one time to form the drilling operation, however, in the actual multi-branch production increasing process, particularly after the multi-branch production increasing operation is completed, the tool is connected with a drill rod, the tool needs to be left underground as a part of an underground tubular column, the inner diameter of the development tubular column is reduced due to the existence of a power driving assembly and the like in the tool, certain influence is brought to subsequent development operation, and meanwhile, when the production increasing operation is performed in the middle and later stages of development, related tools can only be put into the part above the multi-branch production increasing tool, and certain influence can be generated to the later development and normal operation. In a gas well, water logging of the gas well is serious in the middle and later stages, so that the water and gas drainage tool is very necessary to use, but the water and gas drainage tool cannot be lowered to a specified position due to the existence of the multi-branch production increasing tool, the water drainage effect is influenced, and even the water drainage effect cannot be realized, so that the water logging of the gas well seriously influences the service life of the gas well, and even the gas well cannot be produced any more.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a recoverable many branches increase production instrument of energy storage formula in advance in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a pre-energy-storage type recyclable multi-branch production increasing tool comprises an outer shell, a guide block, a drill bit, a lower spring support, a drill rod, an energy storage spring, an upper spring support, a pressure guide pin, a cutter, a power turntable, a transmission shaft, a turbine power assembly, a centering shaft and a flow guide centering block; the guide block is arranged at one end inside the shell body, the shell body is connected with the guide block through threads, the guide block is connected with one end of a drill rod, the drill bit penetrates through a through hole formed in the side wall of the shell body and is installed together with the drill rod, the lower spring support, the energy storage spring and the upper spring support are all sleeved on the rod body of the drill rod, the lower spring support, the energy storage spring and the upper spring support are coaxially connected together, the limiting energy storage installation is realized through a pressure guide pin, the cutter is connected with the other end of the drill rod, the cutter is connected with a transmission shaft through threads, the power rotary disc is clamped on the inner side of the cutter, the power rotary disc is connected with the transmission shaft through a key, the transmission shaft is connected with the power middle shaft part of the turbine power assembly through a key, and the power middle shaft part of the turbine power assembly is connected, the centering shaft is in coaxial clearance fit with the flow guide centering block, and the flow guide centering block is installed at the other end of the inner part of the outer shell.
As a further aspect of the present invention: and the flow guide centralizing block, the turbine power assembly and the power rotating disc are all provided with slurry circulation channels.
As a further aspect of the present invention: the turbine power assembly is composed of a turbine stator, a turbine rotor and a power middle shaft, wherein a channel for slurry to flow through is formed in the lower portion of the stator fixing shaft.
As a further aspect of the present invention: the lower spring support, the drill rod, the energy storage spring, the upper spring support and the pressure guide pin form an energy storage mechanism of the tool, wherein the energy storage spring is installed in a pre-compression mode.
As a further aspect of the present invention: the pressure guide pin is designed by adopting a hollow deep hole.
As a further aspect of the present invention: the cutter adopts a step-decreasing outer diameter.
As a further aspect of the present invention: the pressure guide pin is detachably connected with the outer shell.
As a further aspect of the present invention: the tool completes two operation processes of perforation and fracturing at one time under the condition of not adding fracturing and perforating equipment in the drilling operation process.
The utility model has the advantages that: the pre-energy-storage type recyclable multi-branch yield-increasing tool is reasonable in design, a mud flowing channel is designed on each of the flow guide centralizing block, the turbine power assembly and the power rotary table, drilling fluid can be guaranteed to smoothly reach a well bottom, and pressure drop influencing drilling can not be generated The drill rod, the cutter, the power turntable above the cutter, the transmission shaft, the turbine power assembly, the centralizing shaft and the flow guide centralizing block are restored to the initial position, the pressure guide pin adopts a hollow deep hole design, after the cutter cuts off the pressure guide pin, the pressure guide pin can generate a pressure channel which is annularly controlled underground, so that an obvious pressure drop process can be generated, and further the pressure drop process can be generated as a signal to inform the completion of ground operation, the flow rate of drilling fluid needs to be reduced on the ground, so that slurry can ensure that the turbine can rotate and cannot generate pressure which affects the work of an energy storage spring, the drill rod and the drill bit can be driven to rotate together by the continuous rotation of the turbine, the reset of the drill rod and the drill bit is facilitated, the cutter adopts a step-decreasing outer diameter, the cutter continues to move towards the bottom of a well after cutting off the pressure guide pin, when the larger outer diameter of the cutter is overlaid on the pressure guide, the pressure guide pin is detachably connected with the outer shell, the tool can be integrally recycled after drilling is completed, the well can be continuously lowered only by replacing the pressure guide pin, the multi-branch production increasing operation cost can be greatly saved from the cost aspect of the tool, the well building cost can be greatly reduced, the economic benefit is improved, the oil and gas well development operation, the production increasing operation and the operation effect are not influenced, the tool can complete two operation processes of perforating and fracturing at one time without adding fracturing and perforating equipment in the drilling operation process, the operation time can be greatly reduced, the well building period is shortened, the daily expense of a drilling machine is saved, and the operation cost is reduced.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the structure of the pressure-guiding pin of the present invention;
fig. 3 is a schematic view of the cutter structure of the present invention.
In the figure: 1. the device comprises an outer shell, 2, a guide block, 3, a drill bit, 4, a lower spring support, 5, a drill rod, 6, an energy storage spring, 7, an upper spring support, 8, a pressure guide pin, 9, a cutter, 10, a power turntable, 11, a transmission shaft, 12, a turbine power assembly, 13, a centering shaft, 14 and a flow guide centering block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, a pre-energy-storage type recoverable multi-branch production increasing tool comprises an outer shell 1, a guide block 2, a drill bit 3, a lower spring support 4, a drill rod 5, an energy storage spring 6, an upper spring support 7, a pressure guide pin 8, a cutter 9, a power turntable 10, a transmission shaft 11, a turbine power assembly 12, a centering shaft 13 and a flow guide centering block 14; the guide block 2 is arranged at one end inside the outer shell 1, the outer shell 1 is connected with the guide block 2 through threads, the guide block 2 is connected with one end of a drill rod 5, the drill bit 3 penetrates through a through hole formed in the side wall of the outer shell 1 and is arranged together with the drill rod 5, the lower spring support 4, the energy storage spring 6 and the upper spring support 7 are all sleeved on a rod body of the drill rod 5, the lower spring support 4, the energy storage spring 6 and the upper spring support 7 are coaxially connected together and realize limiting energy storage installation through a pressure guide pin 8, the cutter 9 is connected at the other end of the drill rod 5, the cutter 9 is connected with the transmission shaft 11 through threads, the power turntable 10 is clamped at the inner side of the cutter 9, the power turntable 10 and the transmission shaft 11 are arranged together through key connection, and the transmission shaft 11 is connected with a power middle shaft part of the turbine power assembly, the power middle shaft part of the turbine power assembly 12 is in threaded connection with a centering shaft 13, the centering shaft 13 is in coaxial clearance fit with a flow guide centering block 14, and the flow guide centering block 14 is installed at the other end of the inner part of the outer shell 1.
Further, in the embodiment of the present invention, the diversion centralizing block 14, the turbine power assembly 12 and the power rotary table 10 are all designed with a mud circulation channel, so as to ensure that the drilling fluid smoothly reaches the bottom of the well, and the pressure drop influencing the drilling is not generated.
Further, in the embodiment of the utility model provides an in, turbine power assembly 12 comprises turbine stator, turbine rotor and power axis, and wherein the passageway that supplies the mud circulation is opened to stator fixed axle lower part, and transmission shaft 11 transmits the moment of torsion that turbine power assembly 12 produced to power carousel 10, and power carousel 10 drives the drilling rod 5 rotatory and acts on drilling rod 5 with the upper portion instrument because of the pressure that mud impels the production, and then acts on drilling bit 3 with produced moment of torsion and weight of drilling through drilling rod 5 and is used for boring in the pit.
Further, in the embodiment of the utility model provides an in, the energy storage mechanism of this instrument is constituteed to spring support 4, drilling rod 5, energy storage spring 6, last spring support 7 and pressure guide pin 8 down, and wherein energy storage spring 6 is the installation of precompression, and the elastic potential energy who stores in energy storage spring 6 is enough with power carousel 10, transmission shaft 11, turbine power assembly 12, the centering axle 13 and the water conservancy diversion centering block 14 more than drill bit 3, drilling rod 5, cutter 9 and cutter 9 to resume initial position after cutter 9 cuts pressure guide pin 8.
Further, in the embodiment of the utility model provides an in, lead and press pin 8 to adopt the design of cavity deep hole, after cutter 9 cuts off lead and press pin 8, lead and press pin 8 can produce the pressure passageway with the ring accuse in the pit, therefore can produce obvious pressure drop process, and then inform the ground operation completion as the signal, ground need reduce the velocity of flow of drilling fluid, make mud can guarantee that the turbine is rotatory still unlikely to produce the pressure that influences energy storage spring 6 work, the continuous rotation of turbine can drive drilling rod 5 and drill bit 3 and rotate together, be favorable to drilling rod 5 and drill bit 3 to reset.
Further, in the embodiment of the utility model provides an in, cutter 9 adopts be the ladder tapered external diameter, continues to move to the shaft bottom after cutter 9 cuts off pressure guide pin 8, when cutter 9 great external diameter wainscot surpassed pressure guide pin 8 and led the pressure hole, cutter 9 less external diameter wainscot and pressure guide pin 8 lead the pressure hole and can produce certain space, enough produce obvious pressure drop.
Further, in the embodiment of the utility model provides an in, lead and press pin 8 to be detachable with shell body 1 and be connected, can realize the whole recovery of instrument after the well drilling is accomplished, only need to change lead and press pin 8 can continue the operation of going into the well, can practice thrift the operating cost of the multi-branch increase production widely from the aspect of the cost of instrument, can greatly reduce the well-building expense, improve economic benefits, do not influence going on and the operation effect of oil, gas well development operation, increase production operation and other operations simultaneously.
Further, in the embodiment of the utility model provides an in, this instrument is at the drilling operation in-process at two operation processes of disposable completion perforation and fracturing under the condition that does not add fracturing and perforation equipment, can greatly reduce the activity duration, reduces and builds the well cycle to save rig daily expense and reduce the operating cost.
The working principle is as follows: when the pre-energy-storage type recoverable multi-branch production-increasing tool is used, the tool can be integrally recovered under the action of the self energy-storage spring, the downhole operation can be continued only by replacing the pressure guide pin 8, the operation cost of multi-branch production increase can be greatly saved from the cost aspect of the tool, the use of the tool can greatly reduce the well construction cost, reduce the construction risk, reduce the drilling period, improve the production-increasing diameter and improve the economic benefit. Meanwhile, the operation and the operation effect of oil and gas well development operation, yield increasing operation and other operations are not influenced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a recoverable many branches of energy storage formula increase production instrument in advance which characterized in that: the device comprises an outer shell (1), a guide block (2), a drill bit (3), a lower spring support (4), a drill rod (5), an energy storage spring (6), an upper spring support (7), a pressure guide pin (8), a cutter (9), a power turntable (10), a transmission shaft (11), a turbine power assembly (12), a centering shaft (13) and a flow guide centering block (14); the drill bit is characterized in that the guide block (2) is arranged at one end of the inner part of the outer shell (1), the outer shell (1) is connected with the guide block (2) through threads, the guide block (2) is connected with one end of a drill rod (5), the drill bit (3) penetrates through a through hole formed in the side wall of the outer shell (1) and is arranged together with the drill rod (5), the lower spring support (4), the energy storage spring (6) and the upper spring support (7) are all sleeved on the rod body of the drill rod (5), the lower spring support (4), the energy storage spring (6) and the upper spring support (7) are coaxially connected together, and limit energy storage installation is realized through a pressure guide pin (8), the cutter (9) is connected with the other end of the drill rod (5), the cutter (9) is connected with a transmission shaft (11) through threads, and the power turntable (10) is clamped on the inner side of the cutter (9, and the power rotating disc (10) is connected with the transmission shaft (11) through a key, the transmission shaft (11) is connected with the power middle shaft part of the turbine power assembly (12) through a key, the power middle shaft part of the turbine power assembly (12) is connected with the centering shaft (13) through threads, the centering shaft (13) is in coaxial clearance fit with the flow guide centering block (14), and the flow guide centering block (14) is arranged at the other end of the inner part of the outer shell (1).
2. The pre-stored recoverable multi-branch stimulation tool of claim 1, wherein: and the flow guide centralizing block (14), the turbine power assembly (12) and the power rotating disc (10) are all provided with slurry circulation channels.
3. The pre-stored recoverable multi-branch stimulation tool of claim 1, wherein: the turbine power assembly (12) consists of a turbine stator, a turbine rotor and a power middle shaft, wherein the lower part of the stator fixing shaft is provided with a channel for slurry to flow through.
4. The pre-stored recoverable multi-branch stimulation tool of claim 1, wherein: the lower spring support (4), the drill rod (5), the energy storage spring (6), the upper spring support (7) and the pressure guide pin (8) form an energy storage mechanism of the tool, wherein the energy storage spring (6) is installed in a pre-compression mode.
5. The pre-stored recoverable multi-branch stimulation tool of claim 1, wherein: the pressure guide pin (8) adopts a hollow deep hole design.
6. The pre-stored recoverable multi-branch stimulation tool of claim 1, wherein: the cutter (9) adopts a step-decreasing outer diameter.
7. The pre-stored recoverable multi-branch stimulation tool of claim 1, wherein: pressure guide pin (8) is detachable connection with shell body (1).
8. The pre-stored recoverable multi-branch stimulation tool of claim 1, wherein: the tool completes two operation processes of perforation and fracturing at one time under the condition of not adding fracturing and perforating equipment in the drilling operation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921607738.9U CN210637060U (en) | 2019-09-25 | 2019-09-25 | Recoverable many branches of energy storage formula increase production instrument in advance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921607738.9U CN210637060U (en) | 2019-09-25 | 2019-09-25 | Recoverable many branches of energy storage formula increase production instrument in advance |
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| Publication Number | Publication Date |
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| CN210637060U true CN210637060U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921607738.9U Active CN210637060U (en) | 2019-09-25 | 2019-09-25 | Recoverable many branches of energy storage formula increase production instrument in advance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566166A (en) * | 2019-09-25 | 2019-12-13 | 重庆科技学院 | Recoverable many branches of energy storage formula increase production instrument in advance |
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2019
- 2019-09-25 CN CN201921607738.9U patent/CN210637060U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566166A (en) * | 2019-09-25 | 2019-12-13 | 重庆科技学院 | Recoverable many branches of energy storage formula increase production instrument in advance |
| CN110566166B (en) * | 2019-09-25 | 2024-03-22 | 重庆科技学院 | Pre-stored energy type recoverable multi-branch yield increasing tool |
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