CN105201423B - A kind of hydraulic type continuous pressure send drill tools - Google Patents
A kind of hydraulic type continuous pressure send drill tools Download PDFInfo
- Publication number
- CN105201423B CN105201423B CN201510574450.6A CN201510574450A CN105201423B CN 105201423 B CN105201423 B CN 105201423B CN 201510574450 A CN201510574450 A CN 201510574450A CN 105201423 B CN105201423 B CN 105201423B
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- groove
- rotary body
- throttling pillar
- screwed connection
- flow cartridge
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Abstract
Drill tools are sent the present invention relates to a kind of hydraulic type continuous pressure of oil and gas industry horizontal well drilling.It solves the problems, such as that drillstring in horizontal section is sent into difficult and drill bit and takes off pressure.Its technical scheme is：End cap and throttling pillar mode connects for screw, are provided with pin between end cap and throttling pillar；Rotary body upper end and throttling pillar screwed connection；Thrust bearing is arranged on rotary body lower surface, and bearing block upper end insertion rotary body lower end blind hole, the cylindrical step of bearing block is arranged on thrust bearing；Two protruding blocks with flow cartridge are arranged in throttling pillar groove, and the protruding block with flow cartridge can be slided along throttling pillar groove；With flow cartridge upper end and the screwed connection of upper shell lower end, with flow cartridge lower end and the screwed connection of shell body upper end；Drive housing upper end and the screwed connection of shell body lower end, drive housing lower end and anti-lost housing screwed connection.The present invention promotes power transmission shaft axial movement using the energy of drilling fluid, for lower drilling string and drill bit provide the pressure of the drill, promotes drill string to be sent into.
Description
Technical field
Drill tools are sent the present invention relates to a kind of hydraulic type continuous pressure of oil and gas industry horizontal well drilling.
Background technology
In recent years, horizontal well is extensive all the more in the application of oil and gas industry.Horizontal well, can be with for straight well
Oil and gas production is significantly improved, drilling cost is saved, and it is also smaller to the destruction of environment, with good economic benefit and society
Benefit；But the technical difficulty of horizontal well development is also developed apparently higher than straight well.The domestic technology for horizontal well development is remote not
Such as external maturation, many instruments and instrument all also rely on external offer.
The core of horizontal well development is to extend horizontal section length as far as possible, but the frictional resistance of horizontal section wellbore and drill string
Greatly, horizontal segment frictional resistance more long is bigger, causes horizontal segment drill string to be sent into difficult, and the pressure of the drill cannot be applied to front end drill string and brill
Head, significantly limit the exploitation of horizontal well.The frictional resistance for how overcoming net horizontal section is always the emphasis of domestic and international research,
Current more effective instrument has the antifriction pipe nipple of the hydroscillator and installation wheel using hydraulic vibration, above-mentioned tool design
Foothold be the frictional resistance for reducing well and drill string, horizontal section length is extended as far as possible.Based on above-mentioned technical background, this hair
A kind of bright special hydraulic type continuous pressure of offer send drill tools.
The content of the invention
The purpose of the present invention is：Pressure is taken off in order to solve the problems, such as that drillstring in horizontal section is sent into difficult and drill bit, spy provides a kind of
Hydraulic type continuous pressure send drill tools.
In order to achieve the above object, the present invention uses following technical scheme：A kind of hydraulic type continuous pressure send drill tools, is
By upper shell, end cap, pin, screw, throttling pillar, with flow cartridge, rotary body, shell body, thrust bearing, adapter sleeve, bearing block, anti-
Ship and resell on another market, drive housing, power transmission shaft and anti-lost housing are constituted；Its architectural feature is：The cylindrical upper setting of throttling pillar is fluted as brill
Well liquid runner, axially arranged four grooves of throttling pillar, four groove circumferencial directions are uniformly distributed, and it is recessed that 180 ° of two of which is distributed
Groove upper and lower end is disposed as opening, 180 ° of groove upper end opens of distribution of two other, lower end closed；On throttling pillar on two
End opening, the groove upper end of lower end closed connects with the right adjacent grooves, and lower end connects with left side adjacent grooves；End cap edge week
To 180 ° of settings, two grooves, end cap groove width is less than four axially arranged recess widths of throttling pillar；End cap and throttling pillar
With mode connects for screw, pin is installed between end cap and throttling pillar, two upper and lower ends of two, end cap edge groove and throttling pillar are all provided with
It is set to the groove alignment of opening；Rotary body upper end and throttling pillar screwed connection；Rotary body middle part is set to helical blade, and rotation direction is
Dextrorotation, rotary body lower end sets a counterbore, and bottom is circumferentially uniformly arranged eight through holes connection rotary body exocoel and counterbores, rotary body
Lower end is cylindrical to be set to screw thread；Thrust bearing one end is arranged on rotary body lower surface, and the other end is arranged on the outer round platform of bearing block
On rank, bearing block upper end insertion rotary body lower end counterbore；Adapter sleeve lower end endoporus is provided with raised step, and adapter sleeve lower end is raised
Step entangles the cylindrical step of bearing block, connects set upper side and the screwed connection of rotary body lower end；Power transmission shaft upper end and bearing block lower end
Screwed connection；Flow tube inner chamber middle part is provided with two protruding blocks of 180 ° of distributions, and two protruding blocks with flow cartridge are arranged on section
In fluidization tower groove, the protruding block with flow cartridge can be slided along throttling pillar groove；With flow cartridge upper end and the screwed connection of upper shell lower end,
With flow cartridge lower end and the screwed connection of shell body upper end；Drive housing upper end and the screwed connection of shell body lower end, drive housing lower end
With anti-lost housing screwed connection；Drive housing inner chamber is circumferentially uniformly arranged eight semi-circular recesses, in groove connection drive housing,
Lower end, the cylindrical middle part of power transmission shaft is circumferentially uniformly arranged eight semi-circular recesses, and groove closed at both ends, eight stop pins are respectively mounted
In the chamber that eight semi-circular recesses of eight semi-circular recesses of drive housing and power transmission shaft are formed；Upper shell upper end and top are bored
Post screwed connection, power transmission shaft lower end and lower drilling string screwed connection.
The beneficial effects of the invention are as follows：(1) present invention is driven using drilling fluid, simple and reliable for structure；(2) present invention is utilized
The energy of drilling fluid promotes power transmission shaft axial movement, for lower drilling string and drill bit provide the pressure of the drill, promotes drill string to be sent into；(3) this hair
The bright continuous lift for being automatically obtained power transmission shaft and backhaul, without frequently changing i.e. achievable drill string after mud flow rate setting
Be continuously fed to；(4) present invention can reduce vibrations of the drill string in axial direction.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of hydraulic type continuous pressure of the invention send drill tools power transmission shaft retracted state；
Fig. 2 is the structural representation that a kind of hydraulic type continuous pressure of the invention send drill tools power transmission shaft to stretch out state；
Fig. 3 is the three dimensional structure diagram of end cap, throttling pillar and rotary body；
Fig. 4 is end cap and the cylindrical expanded view of throttling pillar；
Fig. 5 is the sectional view in Fig. 2A-A sections；
Fig. 6 is the sectional view of Fig. 2 section B-Bs；
In figure：1. upper shell, 2. end cap, 3. pin, 4. screw, 5. throttling pillar, 6. match somebody with somebody flow cartridge, 7. rotary body, 8. shell
Body, 9. thrust bearing, 10. adapter sleeve, 11. bearing blocks, 12. stop pins, 13. drive housing, 14. power transmission shafts, 15. anti-lost shells
Body.
Specific embodiment
As depicted in figs. 1 and 2, a kind of hydraulic type continuous pressure of the invention send drill tools, is by upper shell 1, end cap 2, pin
Son 3, screw 4, throttling pillar 5, with flow cartridge 6, rotary body 7, shell body 8, thrust bearing 9, adapter sleeve 10, bearing block 11, stop pin
12nd, drive housing 13, power transmission shaft 14 and anti-lost housing 15 are constituted；Its architectural feature is：End cap 2 and throttling pillar 5 are connected with screw 4
Connect, pin 3 is installed between end cap 2 and throttling pillar 5,5 two upper and lower ends of end cap two, 2 edge groove and throttling pillar are respectively provided with
For the groove of opening aligns；The upper end of rotary body 7 and the screwed connection of throttling pillar 5；As shown in figure 3, the middle part of rotary body 7 is set to spiral
Blade, rotation direction is dextrorotation, and the lower end of rotary body 7 sets a counterbore, and bottom is circumferentially uniformly arranged eight through hole connection exocoels of rotary body 7
And counterbore, the lower end of rotary body 7 is cylindrical to be set to screw thread；The one end of thrust bearing 9 is arranged on the lower surface of rotary body 7, other end peace
On the cylindrical step of bearing block 11, the upper end of the bearing block 11 insertion lower end counterbore of rotary body 7；The lower end endoporus of adapter sleeve 10 is provided with
Raised step, the lower end raised step of adapter sleeve 10 entangles the cylindrical step of bearing block 11, the 7 times terminal filaments in the upper end of adapter sleeve 10 and rotary body
Button connection；The upper end of power transmission shaft 14 and the lower end screwed connection of bearing block 11；As shown in figure 5, being provided with two with the inner chamber of flow cartridge 6 middle part
180 ° of protruding blocks of distribution, two protruding blocks with flow cartridge 6 are arranged in the groove of throttling pillar 5, and the protruding block with flow cartridge 6 can be along
The groove of throttling pillar 5 is slided；With the upper end of flow cartridge 6 and the lower end screwed connection of upper shell 1, with the lower end of flow cartridge 6 and the upper end screw thread of shell body 8
Connection；The upper end of drive housing 13 and the lower end screwed connection of shell body 8, the lower end of drive housing 13 and the screwed connection of anti-lost housing 15；
As shown in fig. 6, the inner chamber of drive housing 13 is circumferentially uniformly arranged eight semi-circular recesses, groove connects the upper and lower end of drive housing 13,
The cylindrical middle part of power transmission shaft 14 is circumferentially uniformly arranged eight semi-circular recesses, and groove closed at both ends, eight stop pins 12 are respectively mounted
In the chamber that 14 8 semi-circular recesses of 13 8 semi-circular recesses of drive housing and power transmission shaft are formed；The upper end of upper shell 1 and
Upper drilling string screwed connection, the lower end of power transmission shaft 14 and lower drilling string screwed connection.
As shown in Figure 3 and Figure 4, the cylindrical upper setting of throttling pillar 5 is fluted as drilling fluid runner, and throttling pillar 5 is axially arranged
Four grooves, four groove circumferencial directions are uniformly distributed, and the groove upper and lower end of 180 ° of distributions of two of which is disposed as opening,
180 ° of groove upper end opens of distribution of two other, lower end closed；Two upper end opens on throttling pillar 5, the groove of lower end closed
Upper end connects with the right adjacent grooves, and lower end connects with left side adjacent grooves；Two grooves of the circumferential 180 ° of settings in the edge of end cap 2,
The recess width of end cap 2 is less than 5 four axially arranged recess widths of throttling pillar.
A kind of hydraulic type continuous pressure of the present invention send the operation principle of drill tools to be：Under enter the present invention to net horizontal section, just
Beginning, position was as shown in figure 1, two protruding blocks with the inner chamber of flow cartridge 6 are disposed as the recessed of opening positioned at 5 two upper and lower ends of throttling pillar
Groove bottom；Turn on pump circulating fluid, drilling fluid laterally connects by the upper end open of throttling pillar 5, the groove and upper and lower end of lower end closed
" Z " font runner that logical groove is formed flows through rotary body 7 and enters the inner chamber of power transmission shaft 14, now produces larger choke pressure drop, saves
Fluidization tower 5, rotary body 7 and power transmission shaft 14 are by drilling fluid impeller-hub to moving down；Two protruding blocks with the inner chamber of flow cartridge 6 reach throttling pillar
During 5 upper end cross connection groove location, rotary body 7 and throttling pillar 5 produce rotation under the helical blade effect of rotary body 7, match somebody with somebody
Two protruding blocks of the inner chamber of flow cartridge 6 enter the upper end open of throttling pillar 5, lower end closed by the upper end cross connection groove of throttling pillar 5
Groove in；The groove that now drilling fluid is disposed as opening from 5 two upper and lower ends of throttling pillar flows through, the choke pressure drop of generation
Small, upper drilling string is down sent into, and throttling pillar 5, rotary body 7 and power transmission shaft 14 are overall relative to shifting on upper drilling string axial direction；Flow
When two protruding blocks of 6 inner chambers of cylinder reach 5 lower end cross connection groove location of throttling pillar, rotary body 7 and throttling pillar 5 are in rotary body
7 helical blade effect is lower to produce rotation, and at this moment the present invention returns to initial position, once moves back and forth and completes.
Claims (2)
1. a kind of hydraulic type continuous pressure send drill tools, is by upper shell (1), end cap (2), pin (3), screw (4), throttling pillar
(5), with flow cartridge (6), rotary body (7), shell body (8), thrust bearing (9), adapter sleeve (10), bearing block (11), stop pin
(12), drive housing (13), power transmission shaft (14) and anti-lost housing (15) are constituted；It is characterized in that：End cap (2) and throttling pillar (5)
Connected with screw (4), pin (3), end cap (2) two, edge groove and throttling pillar are installed between end cap (2) and throttling pillar (5)
(5) the groove alignment that two upper and lower ends set on are open；Axially arranged four grooves of throttling pillar (5), four groove circumference
Direction is uniformly distributed, and the groove upper and lower end of 180 ° of distributions of two of which is open, and the groove upper end of 180 ° of distributions of two other is opened
Mouthful, lower end closed；(5) two upper end opens of throttling pillar, the groove that the groove upper end of lower end closed and two upper and lower ends are open
Connection；(5) two upper end opens of throttling pillar, the groove that the groove lower end of lower end closed is open with two upper and lower ends is connected；Section
The groove of the cylindrical upper setting of fluidization tower (5) is drilling fluid runner；Two grooves set on end cap (2) edge are in circumferential 180 ° points
Cloth, end cap (2) recess width is less than (5) four axially arranged recess widths of throttling pillar；Rotary body (7) upper end and throttling pillar
(5) screwed connection；Thrust bearing (9) one end is arranged on rotary body (7) lower surface, and the other end is arranged on the cylindrical step of bearing block
On, bearing block (11) upper end insertion rotary body (7) lower end counterbore；Adapter sleeve (10) lower end endoporus is provided with raised step, connection
Set (10) lower end raised step entangles bearing block (11) cylindrical step, and adapter sleeve (10) upper end and rotary body (7) lower end screw thread connect
Connect；Power transmission shaft (14) upper end and bearing block (11) lower end screwed connection；Flow cartridge (6) inner chamber middle part is provided with two 180 ° of distributions
Protruding block, two protruding blocks with flow cartridge (6) be arranged on (5) four axial notches of throttling pillar or upper and lower end cross connection it is recessed
In groove, the protruding block with flow cartridge (6) can be slided along (5) four axial notches of throttling pillar and upper and lower end cross connection groove；Match somebody with somebody
Flow cartridge (6) upper end and upper shell (1) lower end screwed connection, with flow cartridge (6) lower end and shell body (8) upper end screwed connection；Transmission
Housing (13) upper end and shell body (8) lower end screwed connection, drive housing (13) lower end and anti-lost housing (15) screwed connection；Pass
Dynamic housing (13) inner chamber is circumferentially uniformly arranged eight semi-circular recesses, on eight semi-circular recesses connection drive housing (13),
Lower end；Power transmission shaft (14) cylindrical middle part is circumferentially uniformly arranged eight semi-circular recesses, eight semi-circular recesses closed at both ends, eight
Individual stop pin (12) is separately mounted to (14) eight semi-circular recesses shapes of (13) eight semi-circular recesses of drive housing and power transmission shaft
Into chamber in；Upper shell (1) upper end and upper drilling string screwed connection, power transmission shaft (14) lower end and lower drilling string screwed connection.
2. hydraulic type continuous pressure according to claim 1 send drill tools, it is characterized in that：Rotary body (7) middle part sets
Helical blade is set to, rotation direction is dextrorotation, and rotary body (7) lower end sets a counterbore, and bottom is circumferentially uniformly arranged eight through hole connections
Rotary body (7) exocoel and counterbore, rotary body (7) lower end is cylindrical to be set to screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510574450.6A CN105201423B (en) | 2015-09-10 | 2015-09-10 | A kind of hydraulic type continuous pressure send drill tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510574450.6A CN105201423B (en) | 2015-09-10 | 2015-09-10 | A kind of hydraulic type continuous pressure send drill tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105201423A CN105201423A (en) | 2015-12-30 |
| CN105201423B true CN105201423B (en) | 2017-05-31 |
Family
ID=54949336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510574450.6A Expired - Fee Related CN105201423B (en) | 2015-09-10 | 2015-09-10 | A kind of hydraulic type continuous pressure send drill tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105201423B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625958B (en) * | 2016-01-07 | 2017-08-25 | 西南石油大学 | Drill tools are sent in a kind of waterpower pulse formula pressurization |
| CN105545225B (en) * | 2016-01-07 | 2017-12-12 | 西南石油大学 | A kind of drillstring in horizontal section is sent into instrument |
| CN105735916B (en) * | 2016-03-25 | 2017-09-08 | 西南石油大学 | A kind of creeping motion type drillstring in horizontal section is sent into instrument |
| CN106958429B (en) * | 2017-04-11 | 2018-11-16 | 西南石油大学 | A kind of horizontal well pressurization driving tool |
| CN106958428B (en) * | 2017-04-11 | 2018-11-16 | 西南石油大学 | A kind of long stroke, which is continuously sent, bores pressurization tool |
| CN109403888B (en) * | 2017-08-16 | 2024-03-15 | 中石化石油工程技术服务有限公司 | Hydraulic continuous pressurizing drill feeding tool |
| CN112377133B (en) * | 2020-11-20 | 2021-11-23 | 中国石油集团渤海钻探工程有限公司 | Controllable pulse nipple |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148131A (en) * | 1996-09-25 | 1997-04-23 | 王青松 | Equipment for evenly placing drilling rod into well |
| CN202882783U (en) * | 2012-09-07 | 2013-04-17 | 中国石油化工股份有限公司 | Upward-rotation and downward-slide well drilling friction-reducing torsion-reducing tool |
| CN104806170A (en) * | 2015-05-13 | 2015-07-29 | 西南石油大学 | Drilling and coal mining large-variable-diameter reaming bit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112011101697T5 (en) * | 2010-05-17 | 2013-03-14 | Vermeer Manufacturing Company | Two-pipe horizontal drilling system |
-
2015
- 2015-09-10 CN CN201510574450.6A patent/CN105201423B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148131A (en) * | 1996-09-25 | 1997-04-23 | 王青松 | Equipment for evenly placing drilling rod into well |
| CN202882783U (en) * | 2012-09-07 | 2013-04-17 | 中国石油化工股份有限公司 | Upward-rotation and downward-slide well drilling friction-reducing torsion-reducing tool |
| CN104806170A (en) * | 2015-05-13 | 2015-07-29 | 西南石油大学 | Drilling and coal mining large-variable-diameter reaming bit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105201423A (en) | 2015-12-30 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20180910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |