CN105545225B - A kind of drillstring in horizontal section is sent into instrument - Google Patents
A kind of drillstring in horizontal section is sent into instrument Download PDFInfo
- Publication number
- CN105545225B CN105545225B CN201610006623.9A CN201610006623A CN105545225B CN 105545225 B CN105545225 B CN 105545225B CN 201610006623 A CN201610006623 A CN 201610006623A CN 105545225 B CN105545225 B CN 105545225B
- Authority
- CN
- China
- Prior art keywords
- slips
- shell
- screwed connection
- hole
- slip spider
- 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 claims abstract description 31
- 241000239290 Araneae Species 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005096 rolling process 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of drill string of net horizontal section in drilling engineering to be sent into instrument.It is difficult that it solves the problems, such as that drillstring in horizontal section is sent into.Its technical scheme is：Cone cylinder upper end and upper drilling string screwed connection, power transmission shaft lower end and lower drilling string screwed connection；Cone cylinder lower end and the screwed connection of upper shell upper end；Six screws are each passed through six waist through hole and six slips threaded connections in slip spider projection outer rim, integrally can be slided after screw and slips threaded connection in slip spider waist through hole；Garter spring is arranged in the groove of six slips outer surfaces；Spring is arranged in the cylindrical raised step of upper shell, capping and the screwed connection of slip spider lower end；Throttle body lower end and the screwed connection of power transmission shaft upper end；Lower shell upper end and the screwed connection of upper shell lower end, lower shell lower end and anti-lost end cap screwed connection.The present invention promotes throttling body and power transmission shaft to be axially moved using drilling fluid, provides lower drilling string the pressure of the drill, and carries out drill string feeding, can effectively extend horizontal segment drilling well length.
Description
Technical field
The present invention relates to a kind of drill string of net horizontal section in drilling engineering to be sent into instrument.
Background technology
In oil and gas industry, drilling well is the important means of developing of reservoirs.With the technology of drilling engineering
Development, horizontal well is had a extensive future at present, and horizontal well excellent economical is popularized rapidly with its.However as horizontal well
The continuous extension of horizontal section length, causes the frictional resistance between drill string and well to be continuously increased, and drill string is difficult to continue to be sent into,
The de- pressure of drill bit, drill bit drilling are difficult.In order to well of improving the standard quality and give full play to the advantageous feature of horizontal well, it is necessary to root
According to reservoir geologic characteristic, the length of horizontal segment is continuously increased, therefore drillstring in horizontal section carrying technology is the core of horizontal well drilling
Technical barrier.
The instrument main operational principle that drilling engineering is used for extending level section drilling well length at present is to be sent into antifriction to drill string
Drop resistance, it is intended to reduce the coefficient of friction between drill string and well with reducing friction resistance.Representative antifriction instrument
The antifriction short circuit of roller is mainly installed and produces the hydroscillator of continuous shaking, the former becomes the static friction of drill string and well
For rolling friction, the static friction of drill string and well is changed into dynamic friction, all serves antifriction to a certain extent by the latter
Effect.Not the problem of above-mentioned antifriction instrument does not consider how actively to apply the pressure of the drill to horizontal segment drill string.Based on above-mentioned technology
Background, the present invention is special to provide a kind of drillstring in horizontal section feeding instrument.
The content of the invention
The purpose of the present invention is：In order to solve the problems, such as that it is difficult that drillstring in horizontal section is sent into, spy provides a kind of drillstring in horizontal section
Feeding instrument.
In order to achieve the above object, the present invention uses following technical scheme：A kind of drillstring in horizontal section is sent into instrument, is by boring
Cylinder, slips, garter spring, screw, slip spider, upper shell, spring, capping, throttling body, trundle, lower shell, anti-lost end cap and transmission
Axle is formed；Its architectural feature is：Cone cylinder upper end and upper drilling string screwed connection, power transmission shaft lower end and lower drilling string screwed connection；
Cone cylinder bottom is cylindrical to be arranged to circular conical surface, cone cylinder lower end and the screwed connection of upper shell upper end；It is circumferential in the middle part of upper shell to be uniformly arranged
Two through holes connect interior or exterior space, and two, upper shell middle part through holes lower section is cylindrical to set a circle raised step；Slips outer surface
Top is arranged to zigzag, and sawtooth is tilted to upper end, and slips outer surface bottom sets a groove, and slips inside upper part is arranged to
Circular conical surface, slips lower inside are arranged to arc surface, and slips lower surface sets a screwed hole；It is convex that slip spider upper end is arranged to a circle
Outer rim is played, is circumferentially uniformly arranged six waist through hole in raised outer rim, slip spider lower lumen is arranged to stepped hole；Six screws
Six waist through hole being each passed through in slip spider projection outer rim and six slips threaded connections, screw and slips threaded connection with
After integrally can be slided in slip spider waist through hole；Garter spring is arranged in the groove of six slips outer surfaces；Spring is installed
In the cylindrical raised step of upper shell, spring is in compressive state, capping and the screwed connection of slip spider lower end；During lower shell is cylindrical
Portion is circumferentially uniformly arranged six centralizer wings, and lower shell inner chamber is arranged to stepped hole, and lower shell inner chamber bottom is circumferentially uniformly arranged ten
Individual semi-circular recesses；Throttle one elongated hole of body top setting, and circumferential in the middle part of throttling body to be uniformly arranged two oblique through holes, throttle body
Cylindrical to be arranged to Step Shaft, throttling body lower outer circumferential is to being uniformly arranged ten semi-circular recesses；Throttle body lower end and power transmission shaft
Upper end screwed connection；Throttling body inserts lower shell inner chamber, and it is recessed that ten trundles are arranged on throttling body bottom cylindrical ten semicircle
In the circular space that groove and the semi-circular recesses of lower shell inner chamber bottom ten are formed；Lower shell upper end and upper shell lower end screw thread connect
Connect, lower shell lower end and anti-lost end cap screwed connection.
The beneficial effects of the invention are as follows：(1) present invention is driven using drilling fluid, and control mode is simple；(2) present invention utilizes
Drilling fluid promotes throttling body and power transmission shaft to be axially moved, and provides lower drilling string the pressure of the drill, and carry out drill string feeding；(3) work shape
State slips and the borehole wall are killed, it is therefore prevented that the rollback of upper drilling string；(4) drill string is split into two sections, reduces single-unit drill string and well
Frictional force between wall.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of drillstring in horizontal section of the present invention is sent into instrument slips and power transmission shaft retracted state；
Fig. 2 is that a kind of drillstring in horizontal section of the present invention is sent into instrument slips and power transmission shaft stretches out the structural representation of state；
Fig. 3 is the sectional view in Figure 1A-A sections；
Fig. 4 is the sectional view of Figure 1B-B-section；
In figure：1. cone cylinder, 2. slips, 3. garter springs, 4. screws, 5. slip spiders, 6. upper shells, 7. springs, 8. cappings, 9. sections
Fluid, 10. trundles, 11. lower shells, 12. anti-lost end caps, 13. power transmission shafts.
Embodiment
As depicted in figs. 1 and 2, a kind of drillstring in horizontal section of the present invention is sent into instrument, is by cone cylinder 1, slips 2, garter spring 3, spiral shell
Nail 4, slip spider 5, upper shell 6, spring 7, capping 8, throttling body 9, trundle 10, lower shell 11, anti-lost end cap 12 and power transmission shaft
13 are formed；Its architectural feature is：The upper end of cone cylinder 1 and upper drilling string screwed connection, the lower end of power transmission shaft 13 and lower drilling string screw thread connect
Connect；The bottom of cone cylinder 1 is cylindrical to be arranged to circular conical surface, the lower end of cone cylinder 1 and the upper end screwed connection of upper shell 6；The middle part of upper shell 6 is circumferential equal
Even to set two through holes to connect interior or exterior space, two, the middle part of upper shell 6 through hole lower section is cylindrical to set a circle raised step；Slips 2
Outer surface top is arranged to zigzag, and sawtooth tilts to upper end, and the outer surface bottom of slips 2 sets a groove, the inner side of slips 2
Top is arranged to circular conical surface, and the lower inside of slips 2 is arranged to arc surface, and the lower surface of slips 2 sets a screwed hole；On slip spider 5
End is arranged to a circle projection outer rim, as shown in figure 3, six waist through hole are circumferentially uniformly arranged in raised outer rim, the bottom of slip spider 5
Inner chamber is arranged to stepped hole；Six screws 4 are each passed through six waist through hole and six slips 2 in 5 raised outer rim of slip spider
Threaded connection, screw 4 and slips 2 can be slided integrally after being threadedly coupled in the waist through hole of slip spider 5；Garter spring 3 is arranged on
In the groove of six outer surfaces of slips 2；Spring 7 is arranged in 6 cylindrical raised step of upper shell, and spring 7 is in compressive state,
Capping 8 and the lower end screwed connection of slip spider 5；As shown in figure 4,11 cylindrical middle part of lower shell is circumferentially uniformly arranged six centralizer wings,
The inner chamber of lower shell 11 is arranged to stepped hole, and the inner chamber bottom of lower shell 11 is circumferentially uniformly arranged ten semi-circular recesses；Throttle on body 9
Portion sets an elongated hole, and the middle part of throttling body 9 is circumferential to be uniformly arranged two oblique through holes, and throttling body 9 is cylindrical to be arranged to Step Shaft, section
The lower outer circumferential of fluid 9 is to being uniformly arranged ten semi-circular recesses；Throttle the lower end of body 9 and the upper end screwed connection of power transmission shaft 13；Section
Fluid 9 inserts the inner chamber of lower shell 11, and ten trundles 10 are arranged on the throttling body semi-circular recesses of 9 bottom cylindrical ten and lower shell
In the circular space that 11 semi-circular recesses of inner chamber bottom ten are formed；The upper end of lower shell 11 and the lower end screwed connection of upper shell 6, under
The lower end of cylinder 11 and the screwed connection of anti-lost end cap 12.
The operation principle that a kind of drillstring in horizontal section of the present invention is sent into instrument is：The tripping in present invention is to design level well section position
Put, original state as shown in figure 1, turn on pump circulating fluid to normal drilling well flow, the throttling in throttling body 9 top elongated hole is made
Under, the top drilling liquid pressure rise of throttling body 9, drilling fluid promotes slip spider 5 axially to move up, and slip spider 5 promotes slips 2 axially
Move up, slips 2 is radially expanded in the presence of cone cylinder 1, and slips 2 and the borehole wall are killed；Drilling fluid promotes throttling body 9 and transmission simultaneously
Axle 13 axially moves down, and promotes lower drilling string to be sent into；Throttling body 9 and power transmission shaft 13 move extremely position state as shown in Fig. 2 now boring
The annular space that well liquid can largely pass through between throttling body 9 and lower shell 11 flows through, and drilling liquid pressure reduces；Reduce drilling fluid
Flow, ground applies the pressure of the drill and is sent into top drilling tool, until reaching initial position Fig. 1 states, starts next be sent into and circulates.
Claims (3)
1. a kind of drillstring in horizontal section is sent into instrument, be by cone cylinder (1), slips (2), garter spring (3), screw (4), slip spider (5), on
Cylinder (6), spring (7), capping (8), throttling body (9), trundle (10), lower shell (11), anti-lost end cap (12) and power transmission shaft
(13) form；It is characterized in that：Cone cylinder (1) upper end and upper drilling string screwed connection, power transmission shaft (13) lower end and lower drilling string screw thread
Connection；Cone cylinder (1) bottom is cylindrical to be arranged to circular conical surface, cone cylinder (1) lower end and upper shell (6) upper end screwed connection；Upper shell (6)
Middle part is circumferentially uniformly arranged two through hole connection interior or exterior spaces, and the cylindrical circle of setting one in two through holes lower sections is convex in the middle part of upper shell (6)
Play step；Slip spider (5) upper end is arranged to a circle projection outer rim, and six waist through hole are circumferentially uniformly arranged in raised outer rim, card
Watt seat (5) lower lumen is arranged to stepped hole；Six screws (4) are each passed through six kidney-shapeds in slip spider (5) raised outer rim
Through hole and six slips (2) threaded connections, can be integrally in slip spider (5) kidney-shaped after screw (4) and slips (2) threaded connection
Slided in through hole；Garter spring (3) is arranged in the groove of six slips (2) outer surfaces；Spring (7) is arranged on upper shell (6) outside
In circle raised step, spring (7) is in compressive state, covers (8) and slip spider (5) lower end screwed connection；Throttle body (9) lower end
With power transmission shaft (13) upper end screwed connection；Throttling body (9) inserts lower shell (11) inner chamber, and ten trundles (10) are arranged on throttling
The circular space that body (9) semi-circular recesses of bottom cylindrical ten and the semi-circular recesses of lower shell (11) inner chamber bottom ten are formed
It is interior；Lower shell (11) upper end and upper shell (6) lower end screwed connection, lower shell (11) lower end and anti-lost end cap (12) screw thread connect
Connect.
2. drillstring in horizontal section according to claim 1 is sent into instrument, it is characterized in that：Slips (2) the outer surface top
Zigzag is arranged to, sawtooth is tilted to upper end, and slips (2) outer surface bottom sets a groove, and slips (2) inside upper part is set
For circular conical surface, slips (2) lower inside is arranged to arc surface, and slips (2) lower surface sets a screwed hole.
3. drillstring in horizontal section according to claim 1 is sent into instrument, it is characterized in that：Lower shell (11) the cylindrical middle part week
To six centralizer wings are uniformly arranged, lower shell (11) inner chamber is arranged to stepped hole, and lower shell (11) inner chamber bottom is circumferentially uniformly set
Put ten semi-circular recesses；Body (9) top that throttles sets an elongated hole, in the middle part of throttling body (9) it is circumferential be uniformly arranged two it is oblique
Through hole, throttling body (9) is cylindrical to be arranged to Step Shaft, and throttling body (9) lower outer circumferential is to being uniformly arranged ten semi-circular recesses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610006623.9A CN105545225B (en) | 2016-01-07 | 2016-01-07 | A kind of drillstring in horizontal section is sent into instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610006623.9A CN105545225B (en) | 2016-01-07 | 2016-01-07 | A kind of drillstring in horizontal section is sent into instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105545225A CN105545225A (en) | 2016-05-04 |
| CN105545225B true CN105545225B (en) | 2017-12-12 |
Family
ID=55824730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610006623.9A Expired - Fee Related CN105545225B (en) | 2016-01-07 | 2016-01-07 | A kind of drillstring in horizontal section is sent into instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105545225B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863544B (en) * | 2016-05-09 | 2018-03-27 | 西南石油大学 | Fishing tool in a kind of slip-type hydraulic control |
| CN108952572A (en) * | 2018-08-24 | 2018-12-07 | 广州海洋地质调查局 | A kind of adjustable guide drilling tool in continuous pipe drilling well underground |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202745771U (en) * | 2012-06-21 | 2013-02-20 | 中国石油天然气集团公司 | Hydraulic mechanical anchor for continuous pipe |
| CN104912493A (en) * | 2015-07-02 | 2015-09-16 | 西南石油大学 | Hydraulic type anti-skidding bit feed tool |
| CN105003211A (en) * | 2015-07-01 | 2015-10-28 | 西南石油大学 | Self-propelled drilling pressure applying tool |
| CN105201423A (en) * | 2015-09-10 | 2015-12-30 | 西南石油大学 | Hydraulic type continuous pressurizing bit-feeding tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120097451A1 (en) * | 2010-10-20 | 2012-04-26 | Philip Wayne Mock | Electrical controller for anti-stall tools for downhole drilling assemblies |
-
2016
- 2016-01-07 CN CN201610006623.9A patent/CN105545225B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202745771U (en) * | 2012-06-21 | 2013-02-20 | 中国石油天然气集团公司 | Hydraulic mechanical anchor for continuous pipe |
| CN105003211A (en) * | 2015-07-01 | 2015-10-28 | 西南石油大学 | Self-propelled drilling pressure applying tool |
| CN104912493A (en) * | 2015-07-02 | 2015-09-16 | 西南石油大学 | Hydraulic type anti-skidding bit feed tool |
| CN105201423A (en) * | 2015-09-10 | 2015-12-30 | 西南石油大学 | Hydraulic type continuous pressurizing bit-feeding tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105545225A (en) | 2016-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105625958B (en) | Drill tools are sent in a kind of waterpower pulse formula pressurization | |
| CN105201423B (en) | A kind of hydraulic type continuous pressure send drill tools | |
| CN208534403U (en) | A kind of horizontal well impulse hunting drill feeding facility | |
| CN202047748U (en) | Ultra short radius horizontal well flexible drilling tool | |
| US10017994B2 (en) | Boring apparatus and method | |
| CN105545225B (en) | A kind of drillstring in horizontal section is sent into instrument | |
| CN104912493B (en) | A kind of hydraulic type anti-sliding drill tools | |
| CN106609659A (en) | Hydraulic expansion type remote-control variable-diameter stabilizer | |
| CN102678059A (en) | Energy storage protection tool of mechanical drilling tool | |
| CN107120064A (en) | A kind of horizontal well jet send drill tools | |
| CN106939767A (en) | A kind of telescopic tool face stabilizer | |
| US10563465B2 (en) | Downhole vibratory tool for placement in drillstrings | |
| CN105840113A (en) | Linkage type drill stem anti-twist tool | |
| CN207092955U (en) | Fluid power vibration auxiliary casing pipe running device | |
| CN206636522U (en) | The stable Novel down-hole instrument of controllable drilling fluid hydraulic pressure output | |
| CN203879409U (en) | Drilling rod capable of reducing friction and pressure and removing cuttings bed | |
| CN209430129U (en) | A kind of dedicated throttling of casing job is anti-down to return rotary guide shoe | |
| CN206299350U (en) | Horizontal well completion tubular pile is oriented to resistance absorber | |
| CN102787811B (en) | Oriented spray gun centering guide | |
| US20160208558A1 (en) | Boring apparatus and method | |
| RU127805U1 (en) | SLIDING CENTER | |
| CN103104201B (en) | Multidirectional adjustment rotary-type pipe sleeve centering device | |
| CN207348793U (en) | A kind of drill bit automatic pressurizing device | |
| CN207485366U (en) | A kind of earth cuttings support system | |
| CN106895076B (en) | A kind of bearing that torque is controllable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20190107 |