CN108625784B - Hydraulic pressurizing jet drilling tool - Google Patents
Hydraulic pressurizing jet drilling tool Download PDFInfo
- Publication number
- CN108625784B CN108625784B CN201810765785.XA CN201810765785A CN108625784B CN 108625784 B CN108625784 B CN 108625784B CN 201810765785 A CN201810765785 A CN 201810765785A CN 108625784 B CN108625784 B CN 108625784B
- Authority
- CN
- China
- Prior art keywords
- inner tube
- hydraulic cylinder
- shell
- plunger rod
- dividing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention designs a hydraulic pressurizing jet drilling tool; belongs to the technical field of underground operation tools for petroleum and natural gas. The device consists of an upper connector, a lower connector, a shell, an inner tube, an outer tube and a plunger rod; an upper joint is arranged at one end of the shell, and a lower joint is arranged at the other end of the shell; the hydraulic cylinder is arranged in the shell through the mounting seat, the outer cylinder is arranged in the shell above the hydraulic cylinder, the plunger rod is arranged in the hydraulic cylinder, and one end of the plunger rod extends to the upper part of the hydraulic cylinder; the plunger rod extending to the upper part of the hydraulic cylinder is in threaded connection with the outer cylinder; an inner tube is arranged in the shell above the outer cylinder, and one end of the inner tube extends into the outer cylinder. The drilling tool has simple structure and stable pulse, and no harmful impact exists; the problems that the existing supercharging device is complex in flow passage and causes great difficulty in processing and installation are solved; the hydraulic pressurizing jet flow drilling tool has the advantages that the service life and the working reliability are effectively improved, and the hydraulic pressurizing jet flow drilling tool has positive significance for improving the drilling efficiency.
Description
Technical Field
The invention relates to a hydraulic pressurizing jet drilling tool; belongs to the technical field of underground operation tools for petroleum and natural gas.
Background
At present, the drilling speed can be greatly reduced when the drilling well encounters a hard stratum along with the increase of the proportion of deep wells and ultra-deep wells in oil fields, and the common drilling tool is difficult to meet the construction requirement. Domestic researches show that the underground booster auxiliary drilling can greatly improve the mechanical drilling speed in oil and gas well drilling, a high-pressure jet auxiliary drilling system is developed abroad, the drilling fluid is directly acted on the ground to assist the mechanical rock breaking action of the drill bit at the bottom of the well, and the mechanical drilling speed can be improved by 2-3 times. The underground pressurizing mode only needs to add a pressurizing device above the drill bit, does not need to change the existing equipment, and is convenient to manufacture.
The hydraulic pressurizing jet technology is a technology for realizing high-pressure jet auxiliary drilling by adopting a specially designed well bottom pressurizing device matched with a drill bit and improving the drilling speed. In the underground supercharging device, most of the underground supercharging device uses water pressure to push a piston, and the piston drives a hydraulic cylinder to reciprocate to realize underground supercharging, and the main difference is different reversing modes; in order to realize the reciprocating motion of the piston, a pressure difference between the upper cavity and the lower cavity of the piston cylinder must be established, and the larger the pressure difference is, the larger the output pressure is. Such devices have good supercharging performance, but also have disadvantages: the flow passage of the supercharger is complex, which causes great difficulty in processing and installation; the reversing and reciprocating mechanism of the supercharging device has harmful impact, so that the development of the supercharging device is necessary, the structure is simple, the pulse is stable, the harmful impact is avoided, the connection is simple, and the installation is convenient. A pressure differential pressurized jet drilling tool is utilized.
Disclosure of Invention
The invention aims to provide a hydraulic pressurizing jet drilling tool which has a simple structure, stable pulse, no harmful impact and effectively prolonged service life and reliability.
The technical scheme of the invention is as follows:
a hydraulic pressurizing jet drilling tool consists of an upper joint, a lower joint, a shell, an inner pipe, an outer barrel and a plunger rod; the method is characterized in that: an upper joint is arranged at one end of the shell in a threaded manner, and a lower joint is arranged at the other end of the shell in a threaded manner; the hydraulic cylinder is fixedly arranged in the shell through the mounting seat and the fixing bolt, the outer cylinder is movably arranged in the shell above the hydraulic cylinder, the plunger rod is arranged in the hydraulic cylinder, and one end of the plunger rod extends to the upper part of the hydraulic cylinder; the plunger rod extending to the upper part of the hydraulic cylinder is in threaded connection with the outer cylinder; an inner tube is arranged in the shell above the outer cylinder, and one end of the inner tube extends into the outer cylinder.
The plunger rod is a hollow rod-shaped body; a check valve is arranged at the end of a plunger rod in the hydraulic cylinder; the plunger rod at the outer end of the hydraulic cylinder is provided with a diversion hole.
The bottom of the hydraulic cylinder is provided with a jet hole; the mounting seats at the two sides of the jet hole are provided with liquid discharge holes.
The inner part of the outer cylinder is an inverted cup-shaped body, an inner flange is arranged in the outer cylinder, and coaxial assembly holes are formed in the center of the top of the outer cylinder and the center of the inner flange.
The inner pipe consists of an upper inner pipe, a lower inner pipe and a sealing dividing piece; the upper inner pipe and the lower inner pipe are connected through a sealing dividing piece. The upper inner tube is a T-shaped body. The upper inner tube extends into the outer tube through the assembly hole, the lower inner tube is arranged in the outer tube below the upper inner tube, and one end of the lower inner tube extends to the lower part of the inner flange through the assembly hole of the inner flange.
The sealing dividing piece is composed of an upper dividing disc, a lower dividing disc and a division plate, wherein the upper dividing disc and the lower dividing disc are respectively annular, the upper dividing disc and the lower dividing disc are arranged in an up-down mode, and the upper dividing disc and the lower dividing disc are connected through the division plate.
The sealing dividing piece is in sliding sealing connection with the outer cylinder.
The upper dividing plate and the lower dividing plate on one side of the dividing plate are coaxially provided with liquid inlet holes, and liquid inlet plugs are movably arranged between the liquid inlet holes; the upper dividing plate and the lower dividing plate on the other side of the division plate are coaxially provided with drain holes, and drain plugs are movably arranged on the drain holes.
And the liquid inlet plug is provided with a push rod in a penetrating manner, one end of the push rod extends into the liquid inlet hole of the upper dividing disc, and the other end of the push rod extends into the liquid inlet hole of the lower dividing disc.
The liquid drain plug is I-shaped and is movably arranged on the upper dividing plate and the lower dividing plate through drain holes.
The invention has the beneficial effects that:
the hydraulic pressurizing jet drilling tool has the advantages of simple structure, stable pulse and no harmful impact; in the working process, the sealing dividing piece in the outer cylinder is used for enabling drilling fluid entering the outer cylinder to generate pressure difference, so that the outer cylinder is driven to reciprocate up and down, and further the plunger rod is driven to stretch out and draw back in the hydraulic cylinder, and therefore liquid in the hydraulic cylinder is periodically compressed, and high pressure is formed at the drill bit water hole. The high-pressure hydraulic jet can assist the drill bit in breaking rock so as to increase the efficiency of breaking rock of the drill bit; the problems that the existing supercharging device is complex in flow passage and causes great difficulty in processing and installation are solved; the hydraulic pressurizing jet flow drilling tool has the advantages that the service life and the working reliability are effectively improved, and the hydraulic pressurizing jet flow drilling tool has positive significance for improving the drilling efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at A;
FIG. 3 is a schematic perspective view of an inner tube according to the present invention;
FIG. 4 is a schematic view of the liquid inlet plugging of the lower dividing plate of the present invention;
fig. 5 is a schematic view of the liquid inlet plugging of the upper dividing plate of the present invention.
In the figure: 1. the device comprises an upper joint, 2, a lower joint, 3, a shell, 4, an outer cylinder, 5, a plunger rod, 6, a mounting seat, 7, a hydraulic cylinder, 8, a one-way valve, 9, a diversion hole, 10, a jet hole, 11, a liquid discharge hole, 12, an inner flange, 13, an upper inner pipe, 14, a lower inner pipe, 15, an assembly shoulder, 16, an upper dividing plate, 17, a lower dividing plate, 18, a liquid inlet cavity, 19, a liquid discharge cavity, 20, a liquid inlet plug, 21, a push rod, 22 and a liquid discharge plug.
Detailed Description
The hydraulic pressurizing jet drilling tool consists of an upper joint 1, a lower joint 2, a shell 3, an inner pipe, an outer barrel 4 and a plunger rod 5; an upper joint 1 is arranged at one end of the shell 3 in a threaded manner, and a lower joint 2 is arranged at the other end of the shell 3 in a threaded manner; a hydraulic cylinder 7 is fixedly arranged in the shell 3 through a mounting seat 6 and a fixing bolt, an outer cylinder 4 is movably arranged in the shell 3 above the hydraulic cylinder 7, a plunger rod 5 is arranged in the hydraulic cylinder 7, and one end of the plunger rod 5 extends to the upper part of the hydraulic cylinder 7; the plunger rod 5 extending above the hydraulic cylinder 7 is screwed with the outer cylinder 4 to form a whole; the plunger rod 5 is a hollow rod-shaped body; a one-way valve 8 is arranged at the end of the plunger rod 5 in the hydraulic cylinder 7; the plunger rod 5 at the outer end of the hydraulic cylinder 7 is provided with a diversion hole 9 for diverting drilling fluid in the plunger rod 5 during operation. The bottom of the hydraulic cylinder 7 is provided with a jet hole 10; the mounting seats 6 on both sides of the jet hole 10 are provided with liquid discharge holes 11.
The outer cylinder 4 is an inverted cup-shaped body, an inner flange 12 is arranged in the outer cylinder 4, and coaxial assembly holes are arranged at the center of the top of the outer cylinder 4 and the center of the inner flange 12.
An inner tube is arranged in the shell 3 above the outer cylinder 4, and the inner tube consists of an upper inner tube 13, a lower inner tube 14 and a sealing dividing piece; the upper inner tube 13 and the lower inner tube 14 are connected by a seal partition. The upper inner tube 13 is a T-shaped body. The upper inner tube 13 extends into the outer tube 4 through the assembly hole at the top of the outer tube 4, the lower inner tube 14 is arranged in the outer tube 4 below the upper inner tube 13, and one end of the lower inner tube 14 extends to the lower part of the inner flange 12 through the assembly hole of the inner flange 12.
An assembly shoulder 15 is arranged in the shell 3, an inner boss is arranged on the upper joint 1 above the assembly shoulder 15, and the upper inner pipe 13 is fixedly arranged in the shell 3 through the cooperation of the assembly shoulder 15 and the inner boss.
The sealing division member connecting the upper inner tube 13 and the lower inner tube 14 is in sliding sealing connection with the outer tube 4.
The sealing dividing piece is composed of an upper dividing disc 16, a lower dividing disc 17 and a dividing plate 18, wherein the upper dividing disc 16 and the lower dividing disc 17 are respectively annular, the upper dividing disc 16 and the lower dividing disc 17 are arranged in an up-down mode, the upper dividing disc 16 is fixedly arranged on the lower port of the upper inner tube 13, and the lower dividing disc 17 is fixedly arranged on the upper port of the lower inner tube 14; the upper dividing plate 16 and the lower dividing plate 17 are connected by a partition plate 18 which is provided obliquely. The upper dividing plate 16 and the lower dividing plate 17 are matched with the inner wall of the outer cylinder 4, so that a sealing cavity is formed between the upper dividing plate 16 and the lower dividing plate 17, and the dividing plate 18 is matched with the inner wall of the outer cylinder 4, so that the sealing cavity is divided into a liquid inlet cavity 18 and a liquid outlet cavity 19; the purpose of the inclined arrangement of the dividing plate 18 is to locate the lower port of the upper inner tube 13 within the inlet chamber 18; the upper port of the lower inner tube 14 is located in the drainage chamber 19.
The upper dividing plate 16 and the lower dividing plate 17 in the liquid inlet cavity 18 are coaxially provided with liquid inlet holes, and liquid inlet plugs 20 are movably arranged between the liquid inlet holes. A push rod 21 is fixedly arranged on the liquid inlet plug 20 in a penetrating manner, one end of the push rod 21 extends into a liquid inlet hole of the upper dividing disc 16, and the other end of the push rod 21 extends into a liquid inlet hole of the lower dividing disc 17.
The upper dividing plate 16 and the lower dividing plate 17 in the liquid discharging cavity 19 at the other side of the dividing plate 18 are coaxially provided with a liquid discharging hole, and the liquid discharging hole is movably provided with a liquid discharging plug 22. The drain plug 22 is I-shaped, the drain plug 22 is movably arranged on the upper partition plate 16 and the lower partition plate 17 through drain holes, in operation, the drain plug 22 forms a plug to the drain holes on the upper partition plate 16 through the plugging plate at the top of the drain plug 22 by moving up and down of the drain plug 22, and the drain plug 22 forms a plug to the drain holes of the lower partition plate 17 through the plugging plate at the bottom of the drain plug.
When the hydraulic pressurizing jet drilling tool works, drilling fluid enters from the upper joint 1, then enters from the central hole of the inner pipe to the sealing dividing piece, at the moment, the liquid inlet plug 20 is in an initial state of blocking the liquid inlet hole of the lower dividing disc 17, and the liquid outlet plug 22 is in an initial state of blocking the drain hole of the upper dividing disc 16. Drilling fluid entering the sealing partition member is collected in the fluid inlet cavity 18 under the action of the partition plate 18, overflows from the fluid inlet holes of the upper partition plate 16 into the cavity between the upper partition plate 16 and the outer cylinder 4, so that a pressure difference is formed between the upper partition plate 16 and the outer cylinder 4, and the outer cylinder 4 is forced to ascend along the inner pipe (see fig. 4) and drives the plunger rod 5 to ascend; in the process, when the lower end of the ejector rod 21 of the liquid inlet plug 20 and the bottom of the liquid outlet plug 22 are in contact with the upper end face of the inner flange 12 in the outer barrel 4, the liquid inlet plug 20 and the liquid outlet plug 22 are simultaneously lifted under the action of the upward thrust of the outer barrel 4, so that the blocking state of the liquid inlet holes of the lower partition plate 17 by the liquid inlet plug 20 is relieved, the liquid inlet holes of the upper partition plate 16 by the liquid inlet plug 20 are blocked, at the moment, drilling fluid enters a cavity between the lower partition plate 17 and the upper end face of the inner flange 12 through the liquid inlet holes of the lower partition plate 17 and is collected in the cavity, and meanwhile, the blocking state of the liquid outlet plug 22 on the drain holes of the upper partition plate 16 is relieved, and the drain holes of the lower partition plate 17 by the liquid outlet plug 22 are blocked; at this time, it is indicated that the outer cylinder 4 goes up to the dead point.
After the outer cylinder 4 moves up to the dead point, the drilling fluid in the cavity between the upper dividing disc 16 and the outer cylinder 4 enters the liquid discharge cavity 19 through the discharge hole of the upper dividing disc 16 and leaks downwards through the upper port of the lower inner tube 14 to form pressure relief, meanwhile, the drilling fluid in the cavity between the lower dividing disc 17 and the upper end face of the inner flange 12 is converged to a certain amount, so that a pressure difference is formed in the cavity, the outer cylinder 4 is forced to move downwards along the inner tube (see figure 5), the outer cylinder 4 is gradually restored to an initial state, and the plunger rod 5 is driven to move up and down repeatedly through the outer cylinder 4. When the outer cylinder 4 goes up again, the drilling fluid in the cavity between the lower dividing disc 17 and the upper end surface of the inner flange 12 is extruded by the upper end surface of the inner flange 12, enters the fluid inlet cavity 18 from the fluid inlet hole of the lower dividing disc 17, and enters the cavity between the upper dividing disc 16 and the outer cylinder 4 through the fluid inlet hole of the upper dividing disc 16 after being converged with the drilling fluid in the fluid inlet cavity 18.
Drilling fluid entering the lower inner tube 14 through the upper port of the lower inner tube 14 enters the plunger rod 5 through the lower port of the lower inner tube 14.
Part of the drilling fluid entering the plunger rod 5 is discharged through a diversion hole 9 arranged on the plunger rod 5, enters an annulus between the hydraulic cylinder 7 and the shell 3, and then acts on the drill bit through a liquid discharge hole 11 on the mounting seat 6.
Another part of the drilling fluid entering the plunger rod 5 enters the hydraulic cylinder 7 through an upper one-way valve 8 on the end of the plunger rod 5. Drilling fluid entering the hydraulic cylinder 7 is periodically extruded by the plunger rod 5 to form high-pressure jet flow in the process that the plunger rod 5 moves up and down, then is ejected through the jet hole 10, and the drilling fluid ejected through the jet hole 10 under high pressure acts on the drill bit water hole through the communicating pipe, so that drill bit rock breaking is assisted, and drill bit rock breaking efficiency is improved.
The hydraulic pressurizing jet drilling tool has the advantages of simple structure, stable pulse and no harmful impact; in the working process, the sealing dividing piece in the outer barrel 4 is used for generating pressure difference of drilling fluid entering the outer barrel 4, so that the outer barrel 4 is driven to reciprocate up and down, the plunger rod 5 is driven to stretch out and draw back in the hydraulic cylinder 7, and liquid in the hydraulic cylinder 7 is periodically compressed, so that high pressure is formed at the drill bit water hole. The high-pressure hydraulic jet assists the drill bit in breaking rock so as to increase the rock breaking efficiency of the drill bit; the problems that the existing supercharging device is complex in flow passage and causes great difficulty in processing and installation are solved; the hydraulic pressurizing jet flow drilling tool has the advantages that the service life and the working reliability are effectively improved, and the hydraulic pressurizing jet flow drilling tool has positive significance for improving the drilling efficiency.
Claims (5)
1. A hydraulic pressurizing jet drilling tool consists of an upper joint (1), a lower joint (2), a shell (3), an inner pipe, an outer barrel (4) and a plunger rod (5); an upper joint (1) is arranged at one end of the shell (3) in a threaded manner, and a lower joint (2) is arranged at the other end of the shell (3) in a threaded manner; a hydraulic cylinder (7) is fixedly arranged in the shell (3) through a mounting seat (6) and a fixing bolt, an outer cylinder (4) is movably arranged in the shell (3) above the hydraulic cylinder (7), a plunger rod (5) is arranged in the hydraulic cylinder (7), and one end of the plunger rod (5) extends to the upper part of the hydraulic cylinder (7); the plunger rod (5) extending to the upper part of the hydraulic cylinder (7) is in threaded connection with the outer cylinder (4); the method is characterized in that: an inner tube is arranged in the shell (3) above the outer tube (4), and one end of the inner tube extends into the outer tube (4); the inner tube consists of an upper inner tube (13), a lower inner tube (14) and sealing dividing pieces; the upper inner pipe (13) and the lower inner pipe (14) are connected through a sealing partition piece; the upper inner tube (13) is a T-shaped body; the upper inner tube (13) extends into the outer tube (4) through the assembly hole, a lower inner tube (14) is arranged in the outer tube (4) below the upper inner tube (13), and one end of the lower inner tube (14) extends to the lower part of the inner flange (12) through the assembly hole of the inner flange (12);
the sealing dividing piece consists of an upper dividing disc (16), a lower dividing disc (17) and a dividing plate (18), wherein the upper dividing disc (16) and the lower dividing disc (17) are respectively annular, the upper dividing disc (16) and the lower dividing disc (17) are arranged in an up-down mode, and the upper dividing disc (16) and the lower dividing disc (17) are connected through the dividing plate (18); liquid inlet holes are coaxially formed in the upper dividing plate (16) and the lower dividing plate (17) on one side of the dividing plate (18), and liquid inlet plugs (20) are movably arranged between the liquid inlet holes; the upper dividing plate (16) and the lower dividing plate (17) on the other side of the dividing plate (18) are coaxially provided with drain holes, and drain plugs (22) are movably arranged on the drain holes; a push rod (21) is arranged on the liquid inlet plug (20) in a penetrating manner, one end of the push rod (21) extends into a liquid inlet hole of the upper dividing disc (16), and the other end of the push rod (21) extends into a liquid inlet hole of the lower dividing disc (17); the drain plug (22) is I-shaped, and the drain plug (22) is movably arranged on the upper dividing plate (16) and the lower dividing plate (17) through drain holes.
2. A hydraulically pressurized jet drilling tool as set forth in claim 1, wherein: the plunger rod (5) is a hollow rod-shaped body; a one-way valve (8) is arranged at the end of the plunger rod (5) in the hydraulic cylinder (7); a diversion hole (9) is arranged on the plunger rod (5) at the outer end of the hydraulic cylinder (7).
3. A hydraulically pressurized jet drilling tool as set forth in claim 2, wherein: a jet hole (10) is arranged at the bottom of the hydraulic cylinder (7); the mounting seats (6) on two sides of the jet hole (10) are provided with liquid discharge holes (11).
4. A hydraulically pressurized jet drilling tool as set forth in claim 1, wherein: the outer cylinder (4) is an inverted cup-shaped body, an inner flange (12) is arranged in the outer cylinder (4), and coaxial assembly holes are formed in the center of the top of the outer cylinder (4) and the center of the inner flange (12).
5. A hydraulically pressurized jet drilling tool as set forth in claim 1, wherein: the sealing dividing piece is in sliding sealing connection with the outer cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765785.XA CN108625784B (en) | 2018-07-12 | 2018-07-12 | Hydraulic pressurizing jet drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765785.XA CN108625784B (en) | 2018-07-12 | 2018-07-12 | Hydraulic pressurizing jet drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108625784A CN108625784A (en) | 2018-10-09 |
| CN108625784B true CN108625784B (en) | 2023-08-22 |
Family
ID=63688879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810765785.XA Active CN108625784B (en) | 2018-07-12 | 2018-07-12 | Hydraulic pressurizing jet drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108625784B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625784B (en) * | 2018-07-12 | 2023-08-22 | 长江大学 | Hydraulic pressurizing jet drilling tool |
| CN109113567B (en) * | 2018-10-29 | 2023-08-22 | 长江大学 | Hydraulic pressurizing jet tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6216785B1 (en) * | 1998-03-26 | 2001-04-17 | Schlumberger Technology Corporation | System for installation of well stimulating apparatus downhole utilizing a service tool string |
| CN201627541U (en) * | 2010-03-04 | 2010-11-10 | 中国石油大学(华东) | Underground drill string vibration reducing and pressurizing device |
| CN107401383A (en) * | 2017-09-04 | 2017-11-28 | 长江大学 | A kind of underground pressurizing device |
| CN107514229A (en) * | 2017-09-28 | 2017-12-26 | 长江大学 | A kind of high frequency water jet turbodrill |
| CN108625784A (en) * | 2018-07-12 | 2018-10-09 | 长江大学 | A kind of hydraulic booster jet stream drilling tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536121B (en) * | 2012-02-08 | 2013-12-18 | 中国石油大学(北京) | Pulse type underground pressurization jet flow drilling method and device |
-
2018
- 2018-07-12 CN CN201810765785.XA patent/CN108625784B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6216785B1 (en) * | 1998-03-26 | 2001-04-17 | Schlumberger Technology Corporation | System for installation of well stimulating apparatus downhole utilizing a service tool string |
| CN201627541U (en) * | 2010-03-04 | 2010-11-10 | 中国石油大学(华东) | Underground drill string vibration reducing and pressurizing device |
| CN107401383A (en) * | 2017-09-04 | 2017-11-28 | 长江大学 | A kind of underground pressurizing device |
| CN107514229A (en) * | 2017-09-28 | 2017-12-26 | 长江大学 | A kind of high frequency water jet turbodrill |
| CN108625784A (en) * | 2018-07-12 | 2018-10-09 | 长江大学 | A kind of hydraulic booster jet stream drilling tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108625784A (en) | 2018-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102536121B (en) | Pulse type underground pressurization jet flow drilling method and device | |
| CN108547604B (en) | Drilling and stamping integrated device and method | |
| WO2018223421A1 (en) | Pneumatic self-propelled ultrahigh-pressure-pulsed-jet auxiliary impacting rock-breaking equipment | |
| CN110107258B (en) | Hydraulic pulse wave injection increasing device | |
| CN108625784B (en) | Hydraulic pressurizing jet drilling tool | |
| CN101781979B (en) | Hydraulic driving oil extraction equipment | |
| CN115874917A (en) | Reverse impact hydraulic down-the-hole hammer | |
| CN110344754B (en) | Hydraulic impactor | |
| CN113914824B (en) | Underground follow-up sealing production increasing pipe column capable of flushing well and efficient lifting method | |
| CN103806882A (en) | Method and device for gas-lift liquid mining | |
| CN107831062B (en) | High-pressure hole internal drainage pressure relief hydraulic grouting and pressurized water test plug | |
| CN208502662U (en) | A kind of hydraulic booster jet stream drilling tool | |
| CN101782060B (en) | Hydraulic oil pump | |
| CN2906023Y (en) | Hydraulic lung-shape valve type jet impacter | |
| CN204436767U (en) | Hydraulic double-acting rodless pumping operation pump and system | |
| CN107939361B (en) | Foam liquid discharge oil production string and method for oil pumping well | |
| CN103775318A (en) | Hydraulic transmission rodless oil pumping system | |
| CN100395427C (en) | Oil production method with no pole and oil production system | |
| CN202690411U (en) | High-pressure plunger pump for washing machine | |
| CN219888233U (en) | Underground fixed cylinder single-acting pump of rodless drainage and production system | |
| CN210715040U (en) | Novel hydraulic drive oil-well pump | |
| CN201705632U (en) | Rodless hydraulic deep oil well pump | |
| CN220015141U (en) | Underground hydraulic double-acting pump | |
| CN104405630B (en) | Hydraulic double-acting Rodless oil extraction pump | |
| CN2775343Y (en) | Submersible water pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |