CN105003211B - A kind of self-advancing type the pressure of the drill applies instrument - Google Patents
A kind of self-advancing type the pressure of the drill applies instrument Download PDFInfo
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- CN105003211B CN105003211B CN201510376785.7A CN201510376785A CN105003211B CN 105003211 B CN105003211 B CN 105003211B CN 201510376785 A CN201510376785 A CN 201510376785A CN 105003211 B CN105003211 B CN 105003211B
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- power transmission
- transmission shaft
- drill
- groove
- tapping
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Abstract
The present invention relates to self-advancing type the pressure of the drill of a kind of extended reach well and horizontal well applies instrument.It solves net horizontal section the pressure of the drill and applies difficult, the difficult problem of drill string feeding.Its technical scheme is：Power transmission shaft upper end and helicoid hydraulic motor output shaft screwed connection, power transmission shaft lower end and drill bit screwed connection；Power transmission shaft endoporus inserted by central tube, and three slide blocks are embedded in central tube central slot through three grooves of power transmission shaft；Semi-ring inner circle is provided with a groove, and two semi-rings are on three slide blocks；Half ring set lower end and the screwed connection of deck upper end；The T-shape hook of three tapping blocks is separately mounted in the T-shape groove of deck bottom three, and in the groove of power transmission shaft slope both sides, after installation, the screw blade of three tapping blocks is distributed on same helix tapping block lower lobes outer rim.The present invention adopts hydraulic driving mode, and operation is simple and reliable；Axial thrust is produced after work, the pressure of the drill is applied to drill bit, upper drilling string is pulled.
Description
Technical field
The present invention relates to self-advancing type the pressure of the drill of a kind of extended reach well and horizontal well applies instrument.
Background technology
In oil and gas industry, the application of extended reach well and horizontal well is more and more extensive, greatlys save drilling well and becomes
This, also improves the rate of oil and gas recovery.But the development difficulty of extended reach well and horizontal well is also much larger than the development difficulty of Vertical Well,
Especially frictional resistance being produced in horizontal segment drill string and well, causing the pressure of the drill pass to front end drill string and drill bit, drill string is even
Deflection deformation can occur.Therefore the drilling well length of horizontal segment is also restricted significantly, seriously constrains extended reach well and horizontal well
Technology development.
At present horizontal segment application more successfully a kind of instrument be " hydroscillator ", the instrument is made using continuous water attack
With making drill string that axial vibration is produced, make drill string and the stiction of well be changed into dynamic friction multitude, frictional resistance is reduced, makes level
Section drill string is sent into difficulty to be reduced.But hydroscillator produce continuous shaking drill string and ground installation are had a certain degree of
Destroy, while the pressure of the drill on drill bit can not be changed apply difficult problem.Based on the problems referred to above, the special one kind that provides of the present invention is entered certainly
Formula the pressure of the drill applies instrument.
Content of the invention
The purpose of the present invention is：In order to the advance of horizontal segment drill string is dragged, apply the pressure of the drill to drill bit, spy provides a kind of self-advancing type
The pressure of the drill applies instrument.
In order to achieve the above object, the present invention is employed the following technical solutions：A kind of self-advancing type the pressure of the drill applies instrument, be by protecting
Set, semi-ring, slide block, central tube, deck, tapping block and power transmission shaft are constituted；Its architectural feature is：Power transmission shaft upper end and helicoid hydraulic motor
Output shaft screwed connection, power transmission shaft lower end and drill bit screwed connection；Power transmission shaft top circumference is uniformly arranged three groove connections and passes
Moving axis interior or exterior space, bottom is cylindrical to arrange a step, and step circumference is uniformly arranged three slopes, and the slope angle of wedge is 10 °～15 °,
Slope both sides are set to groove；The cylindrical middle part of central tube is set to a circle groove, and central tube inserts power transmission shaft endoporus, three slide blocks
It is embedded in central tube central slot through three grooves of power transmission shaft；Semi-ring inner circle is provided with a groove, and two semi-rings are arranged on three
On individual slide block, slide block is cylindrical to be embedded in half ring groove；Sheath is inserted in power transmission shaft, sheath lower end and the screwed connection of deck upper end；Attack
Arc surface is set on the inside of silk block, lower inside is set to outward-dipping slope, the slope angle of wedge and power transmission shaft slope angle of wedge phase
With, arc surface is set on the outside of tapping block, is provided with screw blade on outer arc face, the lead angle of screw blade is 2 °～
9 °, rotation direction is dextrorotation, and tapping block lower outside is provided with raised brim, and tapping block top is set to T-shape hook；Deck bottom
Circumference is uniformly arranged three T-shape grooves, and it is recessed that the T-shape hook of three tapping blocks is separately mounted to the T-shape of deck bottom three
In groove, tapping block lower lobes outer rim is arranged in the groove of power transmission shaft slope both sides, after installation, the spiral shell of three tapping blocks
Rotary knife piece is distributed on same helix.
The invention has the beneficial effects as follows：(1) present invention adopts hydraulic driving mode, and operation is simple and reliable；(2) work of the present invention
Axial thrust is produced after work, the pressure of the drill is applied to drill bit；(3) upper drilling string is pulled, helps drill string to be sent into, extend horizontal segment
Length.
Description of the drawings
Fig. 1 is that a kind of self-advancing type the pressure of the drill of the present invention applies the structural representation that instrument tapping block stretches out state；
Fig. 2 is the structural representation that a kind of self-advancing type the pressure of the drill of the present invention applies instrument tapping block retracted state；
Fig. 3 is the three dimensional structure diagram that a kind of self-advancing type the pressure of the drill of the present invention applies instrument；
Fig. 4 is the three dimensional structure diagram of power transmission shaft；
Fig. 5 is the three dimensional structure diagram of tapping block；
In figure：1. sheath, 2. semi-ring, 3. slide block, 4. central tube, 5. deck, 6. tapping block, 7. power transmission shaft.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of self-advancing type the pressure of the drill of the present invention applies instrument, be by sheath 1, semi-ring 2, slide block
3rd, central tube 4, deck 5, tapping block 6 and power transmission shaft 7 are constituted；Its architectural feature is：7 upper end of power transmission shaft and helicoid hydraulic motor output shaft
Screwed connection, 7 lower end of power transmission shaft and drill bit screwed connection；As shown in figure 4,7 top circumference of power transmission shaft is uniformly arranged three grooves
Connection 7 interior or exterior space of power transmission shaft, bottom is cylindrical to arrange a step, and step circumference is uniformly arranged three slopes, and the slope angle of wedge is 10 °
～15 °, slope both sides are set to groove；The cylindrical middle part of central tube 4 is set to a circle groove, and central tube 4 is inserted in power transmission shaft 7
Hole, three slide blocks 3 are embedded in 4 central slot of central tube through 7 three grooves of power transmission shaft；2 inner circle of semi-ring is provided with a groove, and two
Individual semi-ring 2 is arranged on three slide blocks 3, in cylindrical 2 groove of embedded semi-ring of slide block 3；Sheath 1 is inserted in power transmission shaft 7,1 lower end of sheath
With 5 upper end screwed connection of deck；As shown in figure 5,6 inner side of tapping block is set to arc surface, lower inside is set to outward-dipping
Slope, the slope angle of wedge is identical with the 7 slope angle of wedge of power transmission shaft, and 6 outside of tapping block is set to arc surface, arranges on outer arc face
There is screw blade, the lead angle of screw blade is 2 °～9 °, and rotation direction is dextrorotation, and 6 lower outside of tapping block is provided with lug
Edge, 6 top of tapping block are set to T-shape hook；5 bottom circumference of deck is uniformly arranged three T-shape grooves, three tapping blocks 6
T-shape hook be separately mounted in the T-shape groove of deck 5 bottom three, 6 lower lobes outer rim of tapping block be arranged on power transmission shaft
In the groove on 7 slopes both sides, after installation, the screw blade of three tapping blocks 6 is distributed on same helix.
A kind of self-advancing type the pressure of the drill of the present invention applies the operation principle of instrument：Under enter the present invention to net horizontal section, initial bit
Put as shown in Figure 2；Turn on pump circulating fluid, central tube 4 are moved downward under drilling fluid impetus, drive tapping block 6 downward
Motion, tapping block 6 radially expanded in the presence of 7 slope of power transmission shaft, the screw blade wedging borehole wall of tapping block 6, the present invention with
The output shaft of helicoid hydraulic motor is rotated together, the screw blade of tapping block 6 axial advancement while rotating in a circumferential direction, and drives the present invention
Axial advancement, so as to apply the pressure of the drill to drill bit, and drags top drill string feeding together；When needing to withdraw drill string, stop drilling fluid
Circulation, rotates backward drill string, and tapping block returns to initial position behind 6 axial direction.
Claims (2)
1. a kind of self-advancing type the pressure of the drill applies instrument, is by sheath (1), semi-ring (2), slide block (3), central tube (4), deck (5), attacks
Silk block (6) and power transmission shaft (7) are constituted；It is characterized in that：Power transmission shaft (7) upper end and helicoid hydraulic motor output shaft screwed connection, transmission
Axle (7) lower end and drill bit screwed connection；Power transmission shaft (7) top circumference is uniformly arranged three grooves and connects the interior outer space of power transmission shaft (7)
Between, bottom is cylindrical to arrange a step, and step circumference is uniformly arranged three slopes, and the slope angle of wedge is 10 °～15 °, and slope both sides set
It is set to groove；The cylindrical middle part of central tube (4) is set to a circle groove, and central tube (4) inserts power transmission shaft (7) endoporus, three slide blocks
(3) it is embedded in central tube (4) central slot through (7) three grooves of power transmission shaft；It is provided with a groove on the inside of semi-ring (2), two
Semi-ring (2) is arranged on three slide blocks (3), in cylindrical embedded semi-ring (2) groove of slide block (3)；Sheath (1) is inserted in power transmission shaft (7),
Sheath (1) lower end and deck (5) upper end screwed connection；Tapping block (6) lower outside is provided with ring raised brim, tapping block
(6) top is set to T-shape hook；Deck (5) bottom circumference is uniformly arranged three T-shape grooves, three tapping blocks (6)
T-shape hook is separately mounted in the T-shape groove of deck (5) bottom three, and tapping block (6) bottom ring raised brim is arranged on
In the groove of power transmission shaft (7) slope both sides, after installation, the screw blade of three tapping blocks (6) is distributed in same helix
On.
2. self-advancing type the pressure of the drill according to claim 1 applies instrument, it is characterized in that：It is set on the inside of tapping block (6)
Arc surface, lower inside are set to outward-dipping slope, and the slope angle of wedge is identical with power transmission shaft (7) the slope angle of wedge, tapping block (6)
Outside is set to arc surface, is provided with screw blade on outer arc face, and the lead angle of screw blade is 2 °～9 °, and rotation direction is
Dextrorotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376785.7A CN105003211B (en) | 2015-07-01 | 2015-07-01 | A kind of self-advancing type the pressure of the drill applies instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376785.7A CN105003211B (en) | 2015-07-01 | 2015-07-01 | A kind of self-advancing type the pressure of the drill applies instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105003211A CN105003211A (en) | 2015-10-28 |
| CN105003211B true CN105003211B (en) | 2017-03-08 |
Family
ID=54376042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510376785.7A Expired - Fee Related CN105003211B (en) | 2015-07-01 | 2015-07-01 | A kind of self-advancing type the pressure of the drill applies instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105003211B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US10596648B2 (en) | 2017-05-08 | 2020-03-24 | Snap-On Incorporated | Internal thread chase |
| CN108035688A (en) * | 2018-01-03 | 2018-05-15 | 西南石油大学 | A kind of anti-rotation is sent into instrument |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3463252A (en) * | 1966-09-19 | 1969-08-26 | Smith International | Automatic driller |
| CN201297129Y (en) * | 2008-11-21 | 2009-08-26 | 东营市创元石油机械制造有限公司 | Automatic well hydraulic pressure vibration reduction bit-feeding device |
| CN102206992A (en) * | 2011-04-01 | 2011-10-05 | 西南石油大学 | Crawler and crawling method for continuous oil pipe |
| CN102374360A (en) * | 2011-11-29 | 2012-03-14 | 西南石油大学 | Hydraulic drive telescopic downhole tool running device of horizontal well |
| CN103015894A (en) * | 2013-01-21 | 2013-04-03 | 西南石油大学 | Friction and resistance reducing tool with axial crawling function |
| CN103541666A (en) * | 2013-11-19 | 2014-01-29 | 西南石油大学 | Hydraulic variable-diameter centralizer |
-
2015
- 2015-07-01 CN CN201510376785.7A patent/CN105003211B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3463252A (en) * | 1966-09-19 | 1969-08-26 | Smith International | Automatic driller |
| CN201297129Y (en) * | 2008-11-21 | 2009-08-26 | 东营市创元石油机械制造有限公司 | Automatic well hydraulic pressure vibration reduction bit-feeding device |
| CN102206992A (en) * | 2011-04-01 | 2011-10-05 | 西南石油大学 | Crawler and crawling method for continuous oil pipe |
| CN102374360A (en) * | 2011-11-29 | 2012-03-14 | 西南石油大学 | Hydraulic drive telescopic downhole tool running device of horizontal well |
| CN103015894A (en) * | 2013-01-21 | 2013-04-03 | 西南石油大学 | Friction and resistance reducing tool with axial crawling function |
| CN103541666A (en) * | 2013-11-19 | 2014-01-29 | 西南石油大学 | Hydraulic variable-diameter centralizer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105003211A (en) | 2015-10-28 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20180701 |