CN205918361U - Perpendicular drilling tool of machinery - Google Patents
Perpendicular drilling tool of machinery Download PDFInfo
- Publication number
- CN205918361U CN205918361U CN201620894156.3U CN201620894156U CN205918361U CN 205918361 U CN205918361 U CN 205918361U CN 201620894156 U CN201620894156 U CN 201620894156U CN 205918361 U CN205918361 U CN 205918361U
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- drilling tool
- plunger
- transmission shaft
- power transmission
- hydraulic
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Abstract
The utility model provides a perpendicular drilling tool of machinery is mainly become by top connection, transmission shaft, urceolus, the piston ring that lives, spring, track lid, plunger, push pedal, lower clutch, sealing ring, pombe, U type track groove, hydraulic pressure end housing body group. Is guiding mechanism instrument face direction perseverance 150 in the perpendicular drilling tool of machinery in drilling process 210, behind the turn on pump, high -pressure mud gets into annular mud chamber in the drilling tool hydrophthalmia, flows in two or a plunger case through guiding mechanism through hydraulic oil in the airtight hydraulic oil cavity of piston ring compression that lives, and the piston stretches out and promotes the push pedal and supports on the wall of a well, and wall of a well reaction force promotion perpendicular drilling tool of machinery drop angle creeps into, after the termination of pumping, hydraulic oil flows back to airtight hydraulic oil cavity through guiding mechanism in the plunger case, and piston and push pedal are withdrawed, and the piston ring that lives utilizes spring elasticity to reset, and annular mud intracavity mud returns the drilling tool hydrophthalmia.
Description
Technical field
This utility model belongs to oil drilling machine field and in particular to a kind of machinery vertical drilling tool, mainly applies
In petroleum gas field drilling well is anti-oblique, drop angle measure.
Background technology
Drilling well is the inevitable approach underground oil and gas resource exploitation to ground.In drilling process, due to high steeply inclined geology
Construction, stratum soft or hard inequality, bite type and the many reasons such as structure, BHA, institute's drilling straight-hole (or straight well section) is impossible
Completely vertical or full well hole deviation is 0 °.Require according to well pattern deployment and wellbore quality standard, if hole deviation is exceeded, by basis
Contract is withholdd punishment, and serious then must well filling be redrilled, and causes huge economic losses.
In field of oil drilling, anti-oblique and drop angle is an eternal research topic.In early days, drill collar, weighting are mainly adopted
Drill collar, special-shaped drill collar, or according to cantilever beam deformed principle, drill collar and regulator are combined into the drill set of different structure
Conjunction carries out anti-oblique, drop angle.If effect on driving birds is not good, little the pressure of the drill hangs up and beats drilling, and power auger degree is slow, and drilling period is long, and drilling cost is high.
Since the 1980s, abroad oil takes companies and has succeeded in developing Controlled by micro computer vertical drilling tool, property for many families
Can be reliable, but Site Service somewhat expensive.In recent years, domestic Duo Jia oilfield enterprise and scientific and technological institutes's cooperation development and microelectronics control
The related vertical drilling tool development work of system, wherein grand celebration probing drilling well institute, Bohai Sea probing drilling well institute and western probing drilling well
The units such as institute are succeeded in developing and are started field test, but, also have a Duan Henchang road will walk away from commercial applications.In addition, triumph
Oil drilling institute has succeeded in developing a kind of machinery vertical drilling tool, and its deflecting control precision of field test cannot meet engineering will
Ask, improvement of still needing is perfect.
According to situ of drilling well experience for many years, the utility model proposes a kind of principle is reliable, structure is simple, strong operability,
Cheap mechanical vertical drilling tool, can effectively solving drilling well is anti-oblique, drop angle problem, there is great popularization and application valency
Value.
Utility model content
The purpose of this utility model be provide a kind of machinery vertical drilling tool, for solve in drilling process anti-oblique,
Drop angle problem.
This utility model adopts following concrete technical scheme to realize:
Mechanical vertical drilling tool by top connection, power transmission shaft, outer tube, piston ring, spring, rail cover, plunger, push pedal, under
Joint, sealing ring, metal ball, u-shaped rail groove, hydraulic pressure end housing composition.
Top connection, lower contact are linked into an integrated entity by screw thread and power transmission shaft respectively, can transmit the torsion from top drilling tool
Square, pulling force and the pressure of the drill.
Power transmission shaft, outer tube, piston ring and spring composition hydraulic fluid pressure supply system.Wherein, between outer tube and power transmission shaft
Sealing of surging, the sealing of surging between piston ring and power transmission shaft, outer tube, make power transmission shaft, outer tube and piston ring constitute one
Annular mud chamber.
Power transmission shaft is uniformly being designed with three slurry channels near top connection one end according to 120 °, for connecting drilling tool water hole
With annular mud chamber.
After turn on pump, the high-pressure slurry in drilling tool water hole enters annular mud chamber by slurry channel, promotes piston ring descending,
Compression spring, mud pressure is converted into hydraulic fluid pressure.After termination of pumping, piston ring utilizes spring to reset, hydraulic fluid pressure
Release, the mud in annular mud chamber is returned in drilling tool water hole by slurry channel.
The pressure size of high-pressure slurry is equal to the difference of the inside and outside mud pressure of bottom hole, theoretically equal to drill bit
Pressure drop.Different according to Piston ring design shape, hydraulic fluid pressure can be higher than, be equal to or less than bit pressuredrop, further say,
Different according to pressure suppling system design concept, it is possible to produce to be suitable for the mechanical vertical drilling tool of difference conditions down-hole.
Power transmission shaft, piston ring, outer tube and hydraulic pressure end housing form airtight hydraulic fluid chamber, wherein, piston ring and power transmission shaft, outer
It is sealing of surging between cylinder, be also sealing of surging between hydraulic pressure end housing and power transmission shaft, be spiral shell between hydraulic pressure end housing and outer tube
Stricture of vagina seals.It is full of hydraulic oil in airtight hydraulic fluid chamber.
Annular mud chamber and airtight hydraulic fluid chamber are separated by piston ring as intermediate isolating body, are annular mud above it
Chamber, is airtight hydraulic fluid chamber below.
Plunger, push pedal and hydraulic pressure end housing composition hydraulic end assembly.Hydraulic pressure end housing uniformly designs three according to 120 ° and helps
Positive rib, each centering edge processes one or two plunger case as needed, and the plunger case of each centering edge passes through oil duct and sealing fluid
Pumping cavity communicates, and installs plunger in it, and plunger couples push pedal again.Flow into plunger when hydraulic oil passes through oil duct from airtight hydraulic fluid chamber
During cylinder, plunger stretches out, and promotes push pedal to be supported on the borehole wall, and borehole wall counteracting force promotes vertical drilling tool drop angle drilling.Work as liquid
By oil duct when plunger case returns airtight hydraulic fluid chamber, plunger drives push pedal to withdraw to force feed.
It is sealing of surging between hydraulic pressure end housing and power transmission shaft, therefore, can be free between hydraulic end assembly and power transmission shaft
Rotate.
Rail cover, sealing ring, metal ball and u-shaped rail groove composition guiding mechanism, are the cores of mechanical vertical drilling tool
Mechanism.
Guiding mechanism is arranged on the upper surface of hydraulic pressure end housing, and rail cover is designed with hydraulic oil oilhole and airtight hydraulic fluid chamber
Communicate, u-shaped rail groove annular baseplane according to 120 ° of uniform three oilholes of design respectively with three centering edges in hydraulic pressure end housing
Plunger oil duct communicate, therefore, hydraulic oil is from airtight hydraulic fluid chamber influent pressure side housing plunger case it is necessary to first by airtight hydraulic pressure
Oil pocket flows into guiding mechanism through the oilhole of rail cover, then the oilhole from u-shaped rail groove annular baseplane flows into plunger oil duct, enters
One step ground says, guiding mechanism is a hydraulic oil controlling organization, according to control principle, hydraulic oil is injected in required plunger case,
Reach the selective purpose releasing plunger and push pedal.
U-shaped rail groove is the skeleton of guiding mechanism, and three 120 ° uniform design oilholes and hydraulic pressure end housing are passed through in its underpart
Plunger case oil duct communicates, and is provided with sealing ring and metal ball inside it, and its top is provided with rail cover to protect sealing ring and gold
Belong to ball to move freely in u-shaped rail groove.
Inside guiding mechanism, sealing ring is a saddle-shaped configuration sealing member, and its baseplane is in annular, width and u
Type rail groove baseplane width is identical, and its average density is close with hydraulic oil density；Metal ball is that a relative density is larger
Spheroid；Sealing ring is placed in u-shaped rail groove across metal ball and together with metal ball.As long as hole deviation occurs, u-shaped rail groove bottom
Plane is exactly a tapered plane, and metal ball is rolled to the minimum side of u-shaped rail groove under self gravitation effect, thus carrying rotary packing ring
Move and close one or two oilhole on u-shaped rail groove baseplane, two or one oilhole of residue is in opening, therefore,
When hydraulic oil is flowed into plunger case by guiding mechanism, two having and only opening or an oilhole can make hydraulic oil stream
Enter plunger case, plunger stretches out, promote push pedal be supported on the borehole wall, borehole wall reaction force acts on mechanical vertical drilling tool,
The vector direction perseverance of two or one borehole wall counteracting forces, at 150 ° -210 °, is further said, the tool-face side of guiding mechanism
To perseverance at 150 ° -210 °, promote mechanical vertical drilling tool drop angle drilling.
Rail cover is alternatively arranged as spring pedestal in order to fixing spring.
The beneficial effects of the utility model are: in easy tiltedly area's drilling well, mechanical vertical drilling tool is arranged in drilling tool
Nearly drill bit position.As long as hole deviation occurs, guiding mechanism Dare tool-face direction permanent at 150 ° -210 °, after turn on pump, in drilling tool water hole
High-pressure slurry enter annular mud chamber through slurry channel on power transmission shaft, promote piston ring descending, compression spring, compress close simultaneously
Close hydraulic oil in hydraulic fluid chamber and flow into two or a plunger case through guiding mechanism, piston stretches out and promotes push pedal to be supported on the borehole wall
On, borehole wall counteracting force promotes mechanical vertical drilling tool drop angle drilling, automatically deflecting control in mechanical vertical drilling tool
In accuracy rating, thoroughly solve the problems, such as hole deviation.After termination of pumping, piston ring utilizes spring to reset, and in plunger case, hydraulic oil is through leading
It flow back into airtight hydraulic fluid chamber to mechanism, piston and push pedal are withdrawn, and meanwhile, annular mud intracavity mud leads to through mud on power transmission shaft
Road flows back to drilling tool water hole.
Brief description
Accompanying drawing 1 is the structural representation of this utility model machinery vertical drilling tool.
Description of reference numerals: 1- top connection, 2- power transmission shaft, 3- outer tube, 4- piston ring, 5- spring, 6- rail cover, 7- post
Plug, 8- push pedal, 9- lower contact, 10- sealing ring, 11- metal ball, 12-u type rail groove, 13- hydraulic pressure end housing.
Specific embodiment
Mechanical vertical drilling tool as shown in figure 1, main by top connection (1), power transmission shaft (2), outer tube (3), piston ring
(4), spring (5), rail cover (6), plunger (7), push pedal (8), lower contact (9), sealing ring (10), metal ball (11), u-shaped track
Groove (12), hydraulic pressure end housing (13) composition.
Top connection (1), lower contact (9) pass through screw thread respectively and power transmission shaft (2) links into an integrated entity, and can transmit from top
The moment of torsion of drilling tool, pulling force and the pressure of the drill.
Power transmission shaft (2), outer tube (3), piston ring (4) and spring (5) composition hydraulic fluid pressure supply system.Wherein, outer tube
(3) sealing of surging and power transmission shaft (2) between, the sealing of surging between piston ring (4) and power transmission shaft (2), outer tube (3), make biography
Moving axis (2), outer tube (3) and piston ring (4) constitute an annular mud chamber.
Power transmission shaft (2) is uniformly being designed with three slurry channels near top connection (1) one end according to 120 °, bores for connection
Tool hydrophthalmia and annular mud chamber.
After turn on pump, the high-pressure slurry in drilling tool water hole enters annular mud chamber by slurry channel, promotes under piston ring (4)
OK, compression spring (5), mud pressure is converted into hydraulic fluid pressure.After termination of pumping, piston ring (4) utilizes spring to reset, liquid
Oil pressure discharges, and the mud in annular mud chamber is returned in drilling tool water hole by slurry channel.
The pressure size of high-pressure slurry is equal to the difference of the inside and outside mud pressure of bottom hole, theoretically equal to drill bit
Pressure drop.Different according to piston ring (4) design shape, hydraulic fluid pressure can be higher than, be equal to or less than bit pressuredrop, further
Say, different according to pressure suppling system design concept, it is possible to produce to be suitable for the mechanical vertical drilling tool of difference conditions down-hole.
Power transmission shaft (2), piston ring (4), outer tube (3) and hydraulic pressure end housing (13) form airtight hydraulic fluid chamber, wherein, piston
It is sealing of surging between ring (4) and power transmission shaft (2), outer tube (3), be also to surge between hydraulic pressure end housing (13) and power transmission shaft (2)
Sealing, is thread seal between hydraulic pressure end housing (13) and outer tube (3).It is full of hydraulic oil in airtight hydraulic fluid chamber.
Annular mud chamber and airtight hydraulic fluid chamber are separated by piston ring (4) as intermediate isolating body, are annular mud above it
Slurry chamber, is airtight hydraulic fluid chamber below.
Plunger (7), push pedal (8) and hydraulic pressure end housing (13) composition hydraulic end assembly.Hydraulic pressure end housing (13) is according to 120 °
Uniformly design three centering edges, each centering edge processes one or two plunger case as needed, the plunger case of each centering edge leads to
Oil channel is communicated with airtight hydraulic fluid chamber, installs plunger (7) in it, and plunger (7) couples push pedal (8) again.When hydraulic oil passes through oil
When airtight hydraulic fluid chamber flows into plunger case, plunger (7) stretches out in road, promotes push pedal (8) to be supported on the borehole wall, borehole wall counteracting force
Promote vertical drilling tool drop angle drilling.When hydraulic oil passes through oil duct from the plunger case airtight hydraulic fluid chamber of return, plunger (7) carries
Dynamic push pedal (8) is withdrawn.
Sealing of surging between hydraulic pressure end housing (13) and power transmission shaft (2), therefore, hydraulic end assembly and power transmission shaft (2) it
Between can be freely rotatable.
Rail cover (6), sealing ring (10), metal ball (11) and u-shaped rail groove (12) composition guiding mechanism, are that machinery is vertical
The core institution of drilling tool.
Guiding mechanism is arranged on the upper surface of hydraulic pressure end housing (13), rail cover (6) be designed with hydraulic oil oilhole with airtight
Hydraulic fluid chamber communicates, u-shaped rail groove (12) annular baseplane according to 120 ° of uniform three oilholes of design respectively with hydraulic pressure end housing
(13) plunger (7) oil duct of upper three centering edges communicates, and therefore, hydraulic oil is from airtight hydraulic fluid chamber influent pressure side housing (13)
Plunger case it is necessary to first guiding mechanism be flowed into through the oilhole of rail cover (6) by airtight hydraulic fluid chamber, then from u-shaped rail groove (12)
The oilhole of annular baseplane flows into plunger (7) oil duct, further says, guiding mechanism is a hydraulic oil controlling organization, according to
Hydraulic oil is injected in required plunger case control principle, reaches the selective purpose releasing plunger (7) and push pedal (8).
U-shaped rail groove (12) is the skeleton of guiding mechanism, and three 120 ° uniform design oilholes and hydraulic end are passed through in its underpart
Housing (13) plunger case oil duct communicates, and is provided with sealing ring (10) and metal ball (11), its top is provided with rail cover inside it
(6) to protect sealing ring (10) and metal ball (11) to move freely in u-shaped rail groove (12).
Inside guiding mechanism, sealing ring (10) is a saddle-shaped configuration sealing member, and its baseplane is in annular, width
Identical with u-shaped rail groove (12) baseplane width, its average density is close with hydraulic oil density；Metal ball (12) be one relatively
The larger spheroid of density；Sealing ring (10) is placed on u-shaped rail groove (12) across metal ball (11) and together with metal ball (11)
Interior.As long as hole deviation, u-shaped rail groove (12) baseplane is exactly a tapered plane, and metal ball (11) is under self gravitation effect,
It is rolled to the minimum side of u-shaped rail groove (12), thus carrying rotary packing ring (10) mobile and closing one on u-shaped rail groove (12) baseplane
Individual or two oilholes, remaining two or an oilhole are in opening, therefore, when hydraulic oil is flowed into plunger by guiding mechanism
During cylinder, there are and only have two opening or an oilhole can make hydraulic oil flow into plunger case, plunger (7) stretches out, and promotes push pedal
(8) be supported on the borehole wall, borehole wall reaction force acts on mechanical vertical drilling tool, two or one borehole wall counteracting forces
Vector direction is permanent further to be said at 150 ° -210 °, and the tool-face direction perseverance of steering tool, at 150 ° -210 °, promotes machinery
Vertical drilling tool drop angle creeps into.
Rail cover (6) is alternatively arranged as spring (5) base in order to fixing spring (5).
Embodiment 1
In easy tiltedly area's drilling well, mechanical vertical drilling tool is arranged in drilling tool nearly drill bit position.As long as hole deviation occurs,
, at 150 ° -210 °, after turn on pump, the high-pressure slurry in drilling tool water hole is through the upper mud of power transmission shaft (2) for the tool-face direction perseverance of guiding mechanism
Slurry passage enters annular mud chamber, promotes piston ring (4) descending, and compression spring (5) compresses hydraulic pressure in airtight hydraulic fluid chamber simultaneously
Oil flows into two or a plunger case through guiding mechanism, and piston (7) stretches out and promotes push pedal (8) to be supported on the borehole wall, and the borehole wall is anti-
Active force promotes mechanical vertical drilling tool drop angle drilling, automatically deflecting control in mechanical vertical drilling tool accuracy rating
Interior, thoroughly solve the problems, such as hole deviation.After termination of pumping, piston ring (4) resets under spring (5) elastic reaction, hydraulic oil warp in plunger case
Guiding mechanism flow back into airtight hydraulic fluid chamber, and piston (7) and push pedal (8) are withdrawn, and meanwhile, annular mud intracavity mud is through power transmission shaft
(2) upper slurry channel flows back to drilling tool water hole.
It is only preferred examples to explanation of the present utility model above, can not be understood to technical solutions of the utility model
The restriction of content.In a particular application, technical staff is likely to require and adjusts individually as the case may be and change above content
Become, described adjustment and change all should fall among the protection domain of this utility model claims.
Claims (8)
1. a kind of machinery vertical drilling tool it is characterised in that: mechanical vertical drilling tool by top connection (1), power transmission shaft (2),
Outer tube (3), piston ring (4), spring (5), rail cover (6), plunger (7), push pedal (8), lower contact (9), sealing ring (10), metal
Ball (11), u-shaped rail groove (12) and hydraulic pressure end housing (13) composition；
Described top connection (1), lower contact (9) pass through screw thread respectively and power transmission shaft (2) links into an integrated entity；
It is sealing of surging between described power transmission shaft (2) and outer tube (3) and hydraulic pressure end housing (13), in other words, when top drilling tool leads to
When crossing top connection (1), power transmission shaft (2) and lower contact (9) driving lower drilling tool rotation, outer tube (3) and hydraulic pressure end housing (13) are no
Rotation；
Described power transmission shaft (2), outer tube (3) and piston ring (4) constitute an annular mud chamber, power transmission shaft (2) upper three 120 ° all
Cloth slurry channel is used for connecting drilling tool water hole and annular mud chamber；
Described power transmission shaft (2), piston ring (4), outer tube (3) and hydraulic pressure end housing (13) form airtight hydraulic fluid chamber；
Described plunger (7), push pedal (8) and hydraulic pressure end housing (13) composition hydraulic end assembly, hydraulic pressure end housing (13) is according to 120 °
Uniformly design three centering edges, each centering edge processes one or two plunger case, plunger (7), plunger (7) are installed in plunger case
Couple push pedal (8) again；
Described rail cover (6), sealing ring (10), metal ball (11) and the mechanical vertical drilling tool of u-shaped rail groove (12) composition
Guiding mechanism；
Guiding mechanism is fixed on hydraulic pressure end housing (13) upper surface, and rail cover (6) is designed with hydraulic oil oilhole and airtight hydraulic oil
Chamber communicates, and u-shaped rail groove (12) annular baseplane is designed with oilhole and is communicated with plunger (7) oil duct in hydraulic pressure end housing (13).
2. according to claim 1 a kind of machinery vertical drilling tool it is characterised in that: top connection (1), lower contact (9)
Linked into an integrated entity with power transmission shaft (2) by screw thread respectively, moment of torsion from top drilling tool, pulling force and the pressure of the drill can be transmitted, and,
It is sealing of surging between power transmission shaft (2) and outer tube (3) and hydraulic pressure end housing (13), can be freely rotatable.
3. according to claim 1 a kind of machinery vertical drilling tool it is characterised in that: power transmission shaft (2), outer tube (3), live
Plug ring (4) and spring (5) composition hydraulic fluid pressure supply system；Power transmission shaft (2), outer tube (3) and piston ring (4) constitute one
Annular mud chamber；The upper three 120 ° uniform design slurry channels of power transmission shaft (2) are used for connecting drilling tool water hole and annular mud chamber；Liquid
Oil pressure is derived from the high-pressure slurry pressure in drilling tool water hole.
4. according to claim 1 a kind of machinery vertical drilling tool it is characterised in that: power transmission shaft (2), piston ring (4),
Outer tube (3) and hydraulic pressure end housing (13) form in airtight hydraulic fluid chamber, airtight hydraulic fluid chamber full of hydraulic oil.
5. according to claim 1 a kind of machinery vertical drilling tool it is characterised in that: plunger (7), push pedal (8) and liquid
Pressure side housing (13) forms hydraulic end assembly；Hydraulic pressure end housing (13) uniformly designs three centering edges, each righting according to 120 °
Rib processes one or two plunger case as needed, and the plunger case on each centering edge is all by oil duct and airtight hydraulic fluid chamber phase
Logical, plunger (7) is installed in it, plunger (7) couples push pedal (8) again.
6. according to claim 1 a kind of machinery vertical drilling tool it is characterised in that: rail cover (6), sealing ring
(10), the guiding mechanism of metal ball (11) and the mechanical vertical drilling tool of u-shaped rail groove (12) composition；Rail cover (6) is designed with
Hydraulic oil oilhole is communicated with airtight hydraulic fluid chamber, and u-shaped rail groove (12) annular baseplane is designed with oilhole and hydraulic pressure end housing
(13) plunger (7) oil duct on communicates, and therefore, the hydraulic oil in airtight hydraulic fluid chamber has to pass through guiding mechanism could influent
In the plunger case of pressure side housing (13).
7. according to claim 1 a kind of machinery vertical drilling tool it is characterised in that: u-shaped rail groove (12) be guiding
The skeleton of mechanism, its underpart is communicated with hydraulic pressure end housing (13) plunger case oil duct by three 120 ° uniform design oilholes, in it
Portion is provided with sealing ring (10) and metal ball (11), and its top is provided with rail cover (6) to protect sealing ring (10) and metal ball
(11) move freely in u-shaped rail groove (12).
8. according to claim 1 a kind of machinery vertical drilling tool it is characterised in that: sealing ring (10) is a saddle
Shape construction seals, metal ball (11) is the larger spheroid of a relative density, sealing ring (10) across metal ball (11) and with
Metal ball (11) is placed in u-shaped rail groove (12) together；As long as hole deviation, metal ball (11) is rolled under self gravitation effect,
Move the minimum side of u-shaped rail groove (12), thus carrying rotary packing ring (10) mobile and closing one on u-shaped rail groove (12) baseplane
Individual or two oilholes, remaining two or an oilhole are in opening；When hydraulic oil is flowed into plunger case by guiding mechanism,
There are and only have two opening or an oilhole can make hydraulic oil flow into plunger case, thus produced two or a borehole wall
The vector direction of counteracting force is permanent further to be said at 150 ° -210 °, and guiding mechanism tool-face direction perseverance is at 150 ° -210 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620894156.3U CN205918361U (en) | 2016-08-10 | 2016-08-10 | Perpendicular drilling tool of machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620894156.3U CN205918361U (en) | 2016-08-10 | 2016-08-10 | Perpendicular drilling tool of machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918361U true CN205918361U (en) | 2017-02-01 |
Family
ID=57870758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620894156.3U Expired - Fee Related CN205918361U (en) | 2016-08-10 | 2016-08-10 | Perpendicular drilling tool of machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918361U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965279A (en) * | 2018-01-24 | 2018-04-27 | 西南石油大学 | Lay particular stress on vane type underground auto-strengthening instrument |
| CN108412425A (en) * | 2018-05-09 | 2018-08-17 | 华南师范大学 | A kind of drill bit guide type New well drilling tool |
| CN108590550A (en) * | 2017-04-28 | 2018-09-28 | 裴绪建 | A kind of hydraulic pressure Well drilling guiding device |
| CN108915613A (en) * | 2018-07-19 | 2018-11-30 | 江小三 | A kind of hydraulic variable diameter stabilizer |
| CN109424319A (en) * | 2017-08-30 | 2019-03-05 | 中国石油化工股份有限公司 | A kind of vertical drilling tool |
| CN112627732A (en) * | 2020-12-21 | 2021-04-09 | 中煤科工集团重庆研究院有限公司 | Controllable upper disc valve mechanism of automatic vertical drilling system |
-
2016
- 2016-08-10 CN CN201620894156.3U patent/CN205918361U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590550A (en) * | 2017-04-28 | 2018-09-28 | 裴绪建 | A kind of hydraulic pressure Well drilling guiding device |
| CN109424319A (en) * | 2017-08-30 | 2019-03-05 | 中国石油化工股份有限公司 | A kind of vertical drilling tool |
| CN107965279A (en) * | 2018-01-24 | 2018-04-27 | 西南石油大学 | Lay particular stress on vane type underground auto-strengthening instrument |
| CN107965279B (en) * | 2018-01-24 | 2023-08-22 | 西南石油大学 | Automatic centering tool under well of off-weight impeller formula |
| CN108412425A (en) * | 2018-05-09 | 2018-08-17 | 华南师范大学 | A kind of drill bit guide type New well drilling tool |
| CN108412425B (en) * | 2018-05-09 | 2023-05-16 | 华南师范大学 | Novel drilling tool of drill bit direction formula |
| CN108915613A (en) * | 2018-07-19 | 2018-11-30 | 江小三 | A kind of hydraulic variable diameter stabilizer |
| CN112627732A (en) * | 2020-12-21 | 2021-04-09 | 中煤科工集团重庆研究院有限公司 | Controllable upper disc valve mechanism of automatic vertical drilling system |
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Legal Events
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| C14 | Grant of patent or utility model | ||
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