CN105888538B - A kind of torsion impact drilling rig - Google Patents
A kind of torsion impact drilling rig Download PDFInfo
- Publication number
- CN105888538B CN105888538B CN201610214550.2A CN201610214550A CN105888538B CN 105888538 B CN105888538 B CN 105888538B CN 201610214550 A CN201610214550 A CN 201610214550A CN 105888538 B CN105888538 B CN 105888538B
- Authority
- CN
- China
- Prior art keywords
- drive device
- level
- guide rail
- outer barrel
- level drive
- 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.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 206010060904 Freezing phenomenon Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of torsion impact drilling rig, including outer barrel, one-level drive device, secondary drive device, three-level drive device, sliding block and bit adapter etc..One-level drive device, secondary drive device, three-level drive device are installed on outer barrel from top to bottom respectively, it is provided with thrust bearing and sealing ring between each other, bit adapter is threadingly attached to outer barrel bottom, loaded in one-level drive device, secondary drive device, the chute of three-level drive device circumferentially, small end coordinates with the one-level guide rail on outer tube inner wall, two level guide rail, three-level guide rail at sliding block big end.The present invention drives three groups of sliding blocks in drive device alternately to collide respectively by helical blade, has the advantages that simple and compact for structure, frequency of impact is high, can reduce the generation of drilling tool stick-slip phenomenon in drilling process, and improves rate of penetration and drilling efficiency.
Description
Technical field
The present invention relates to petroleum industry drilling well industry corollary equipment technical field, more particularly to a kind of torsion impact drilling well to fill
Put.
Background technology
With the development of petroleum industry, deep ＆ ultra-deep well exploration and development has turned into a kind of trend of oil and gas development, and in depth
In the drilling process of well ultradeep well drilling tool often because moment of torsion is excessive and " suppress and stop ", drilling tool can be unexpected after moment of torsion reaches a certain value
Quick release, it is this to phenomenon be commonly referred to as drilling tool stick-slip.The stick-slip of drilling tool is frequently accompanied by underground vibrations, easily triggers diamond drill machine
Head collapses tooth, so as to shorten bit life, can also cause downhole instrument (MWD/LWD) to fail, and reduces drilling efficiency and increases drilling well
Cost.
At present, the country such as the external U.S., Canada research is found, is directly mixed in rotary drilling or directed drilling combination
Torsion impact drilling rig, stick-slip phenomenon during PDC drill bit drilling can be greatly reduced.Torsion impact drilling rig bores to PDC
Head is a high frequency, uniform torsion impact, drill bit horsepower is directly substantially increased, compared to without torsion impact drilling well
The common PDC drillings of device, thoroughly reduce stick-slip, slippage, bit freezing phenomenon are also exponentially reduced, and can be greatly
Improve rate of penetration and bit life.
Also in the starting stage, the purpose of the present invention is a kind of torsion of exploitation for research of the China to torsion impact drilling rig
Percussion drilling device, the device have broad application prospects as a kind of New well drilling servicing unit.
The content of the invention
This patent be intended to develop it is a kind of the fluid energy of drilling fluid can be converted into twisting, high frequency, it is uniform and stable
Impact energy, PDC drill bit is directly passed to, drill bit is kept the rotation broken rock of continuous uniform, when significantly avoiding the drill bit from creeping into
Stick-slip phenomenon, improve rate of penetration, extend drill bit and its Matched Drilling life tools, and it is simple and compact for structure, do not interfere with
A kind of torsion impact drilling rig of the function and structure of drill bit and other drilling tools.
The defects of existing for prior art, the present invention provide a kind of torsion impact drilling rig, improve drilling efficiency, adopt
Realized with following technical scheme：
A kind of torsion impact drilling rig, it includes outer barrel (1), sliding block (2), one-level drive device (3), secondary drive dress
Put (4), three-level drive device (5), bit adapter (6), one-level drive device (3), secondary drive device (4), three-level driving dress
Put (5) and be installed on outer barrel (1) inside from top to bottom respectively, be provided with thrust bearing and sealing ring between each other, bit adapter (6) is logical
Cross and be threadedly connected to outer barrel (1) bottom, sliding block (2) end greatly is driven loaded on one-level drive device (3), secondary drive device (4), three-level
In the dynamic chute (8) of device (5) circumferentially, small end and the one-level guide rail (9) on outer barrel (1) inwall, two level guide rail (10), three
Level guide rail (11) coordinates.
Described one-level drive device (3), secondary drive device (4) and three-level drive device (5) inwall is provided with multiple
Helical blade (7), three chutes (8) are evenly equipped with outer wall.
Described one-level guide rail (9), two level guide rail (10), three-level guide rail (11) they are three sections of upper and lower alternative expression grooves, upper,
Low groove transitional region offers lane change slope and anti-sticking right-angle structure.
Described sliding block (2) generally T-type structure, big end are quadrilateral prism, and small end is octagonal prism, small end prism
Inclined-plane is consistent with guide rail lane change slope inclination angle.
Beneficial effects of the present invention are shown：
1. interlock cloth for one-level guide rail (9), two level guide rail (10) and three-level guide rail (11) position of collision (i.e. at lane change slope)
Put, outer barrel (1) is circumferentially uniformly collided.
2. the lane change slope between the upper and lower groove of guide rail is agreed with sliding block (2) chamfering, the effect and guide rail of collision are improved
Guidance capability, anti-sticking right angle then avoid sliding block (2) and blocked, and ensure that the cycle movement in guide rail of sliding block (2).
3. three chutes (8) are evenly equipped with one-level drive device (3), secondary drive device (4), three-level drive device (5),
For installing sliding block (2), three sliding blocks (2) in each drive device are collided simultaneously, and stress is equal when the outer barrel (1) is collided every time
It is even, and increase the moment of torsion transmitted during collision.
4. one-level drive device (3), secondary drive device (4), three-level drive device (5), which can each rotate, drives three groups of cunnings
Block collides, and is a significant increase collision frequency.
Brief description of the drawings
The present invention is described in further details below in conjunction with specification drawings and specific embodiments, wherein：
Fig. 1 is torsion impact drilling rig semi-cutaway
Fig. 2 is outer barrel view in full section
Fig. 3 is outer tube inner wall orbit plane expanded view
Fig. 4 is one-level drive device graphics
Fig. 5 is sliding block graphics
In figure：1st, outer barrel, 2 sliding blocks, 3, one-level drive device, 4, secondary drive device, 5, three-level drive device, 6, drill bit
Joint, 7, helical blade, 8, chute, 9, one-level guide rail, 10, two level guide rail, 11, three-level guide rail
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention be not limited to it is as described below.
As shown in figure 1, a kind of torsion impact drilling rig, it include outer barrel (1), sliding block (2), one-level drive device (3),
Secondary drive device (4), three-level drive device (5), bit adapter (6), one-level drive device (3), secondary drive device (4),
Three-level drive device (5) is installed on outer barrel (1) inside from top to bottom respectively, is provided with thrust bearing and sealing ring between each other, bores
Head joint (6) is threadingly attached to outer barrel (1) bottom, and sliding block (2) end greatly fills loaded on one-level drive device (3), secondary drive
Put in the chute (8) of (4), three-level drive device (5) circumferentially, small end and the one-level guide rail (9) on outer barrel (1) inwall, two
Level guide rail (10), three-level guide rail (11) coordinate.
Further, as shown in figure 1, being sealed between each device with sealing ring, and effectively born using thrust bearing
Axial force.
Further, as shown in Figures 2 and 3, described one-level guide rail (9), two level guide rail (10), three-level guide rail (11) are
Three sections of upper and lower alternative expression grooves, upper and lower groove transitional region offer lane change slope and anti-sticking right-angle structure.
Further, as shown in figure 4, described one-level drive device (3), secondary drive device (4) and three-level driving dress
Put (5) inwall and be provided with multiple helical blades (7), three chutes (8) are evenly equipped with outer wall.
Further, as shown in figure 5, described sliding block (2) generally T-type structure, big end is quadrilateral prism, and small end is
Octagonal prism, small end prism inclined-plane are consistent with guide rail lane change slope inclination angle.
The course of work of the present invention is as follows：
Embodiment 1
As the better embodiment of the present invention, the invention discloses a kind of torsion impact drilling rig, when drill bit just
Often during drilling, drilling fluid flows into from outer barrel (1) upper end, is driven by one-level drive device (3), secondary drive device (4), three-level
Device (5) and bit adapter (6) flow to drill bit；The present apparatus is with drilling rod unitary rotation in whole process, while drilling fluid drives one
Level drive device (3), secondary drive device (4) and three-level drive device (5) are respectively relative to drilling rod rotation；Further, band
Movable slider (2) slides in one-level guide rail (9), two level guide rail (10) and three-level guide rail (11) inner circumferential；Further, each driving dress
Three sliding blocks (2) putting while collided in guide rail lane change slope tilting position and outer barrel (1), and three groups of drive device top shoes
(2) collision is alternated, additional torque is transmitted when normally being crept into for drill bit, improves its rock breaking capacity and drilling efficiency.Embodiment 2
As another better embodiment of the present invention, the invention discloses a kind of torsion impact drilling rig, work as drill bit
When generation stick-slip phenomenon stops boring, the present apparatus is with drilling rod unitary rotation during due to normal drilling before, and drilling fluid drives one-level to drive
Dynamic device (3), secondary drive device (4) and three-level drive device (5) are respectively relative to drilling rod rotation；When drill bit stops boring, one-level
Drive device (3), secondary drive device (4) and three-level drive device (5) sharply increase with drill bit relative rotation speed, further make
The additional torque that sliding block (2) transmits when being collided with outer barrel (1) increases exponentially, while greatly improves the frequency of collision, makes drill bit
Possess enough moments of torsion to work on, and without the stand-by period savings energy, saved the time of drilling well and extend drill bit and its
Drilling tool service life.
Claims (1)
1. a kind of torsion impact drilling rig, it includes outer barrel (1), sliding block (2), one-level drive device (3), secondary drive device
(4), three-level drive device (5), bit adapter (6), one-level drive device (3), secondary drive device (4), three-level drive device
(5) it is internal to be installed on outer barrel (1) from top to bottom respectively, is provided with bearing and sealing ring between each other, bit adapter (6) passes through screw thread
Outer barrel (1) bottom is connected to, sliding block (2) end greatly is loaded on one-level drive device (3), secondary drive device (4), three-level drive device
(5) in chute (8) circumferentially, small end and the one-level guide rail (9) on outer barrel (1) inwall, two level guide rail (10), three-level guide rail
(11) coordinate；
One-level drive device (3), secondary drive device (4) and three-level drive device (5) inwall are provided with multiple helical blades
(7) three chutes (8), are evenly equipped with outer wall；
One-level guide rail (9), two level guide rail (10), three-level guide rail (11) are three sections of upper and lower alternative expression grooves, upper and lower groove transition
Region offers lane change slope and anti-sticking right-angle structure；
Sliding block (2) generally T-type structure, big end is quadrilateral prism, and small end is octagonal prism, small end prism inclined-plane and guide rail
Lane change slope inclination angle is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214550.2A CN105888538B (en) | 2016-04-08 | 2016-04-08 | A kind of torsion impact drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214550.2A CN105888538B (en) | 2016-04-08 | 2016-04-08 | A kind of torsion impact drilling rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105888538A CN105888538A (en) | 2016-08-24 |
| CN105888538B true CN105888538B (en) | 2018-02-09 |
Family
ID=57012771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610214550.2A Expired - Fee Related CN105888538B (en) | 2016-04-08 | 2016-04-08 | A kind of torsion impact drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105888538B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6886633B2 (en) * | 2002-10-04 | 2005-05-03 | Security Dbs Nv/Sa | Bore hole underreamer |
| CN101988368A (en) * | 2009-08-04 | 2011-03-23 | 中国石化集团胜利石油管理局钻井工艺研究院 | Stick-slip vibration shock absorber of (polycrystalline diamond compact) PDC drill head |
| CA2775725C (en) * | 2009-09-30 | 2014-11-25 | Baker Hughes Incorporated | Earth-boring tools having expandable cutting structures and methods of using such earth-boring tools |
| CN201874448U (en) * | 2010-12-08 | 2011-06-22 | 西南石油大学 | Torsional impact transmission device |
| CN103670269B (en) * | 2013-12-18 | 2015-05-06 | 中国石油大学(华东) | Turbine torsional impact generator |
| CN104863497B (en) * | 2015-04-20 | 2018-01-30 | 中国地质大学（武汉） | A kind of drill bit spiral percussion mechanism |
-
2016
- 2016-04-08 CN CN201610214550.2A patent/CN105888538B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105888538A (en) | 2016-08-24 |
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Granted publication date: 20180209 Termination date: 20190408 |