CN105909168B - A kind of deep stratum drilling speed instrument - Google Patents
A kind of deep stratum drilling speed instrument Download PDFInfo
- Publication number
- CN105909168B CN105909168B CN201610298744.5A CN201610298744A CN105909168B CN 105909168 B CN105909168 B CN 105909168B CN 201610298744 A CN201610298744 A CN 201610298744A CN 105909168 B CN105909168 B CN 105909168B
- Authority
- CN
- China
- Prior art keywords
- lower contact
- ring cavity
- hammer anvil
- valve element
- top connection
- 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 66
- 239000012530 fluid Substances 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims description 15
- 239000011435 rock Substances 0.000 abstract description 4
- 230000035939 shock Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000032258 transport Effects 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
- E21B4/02—Fluid rotary type drives
-
- 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
- E21B4/06—Down-hole impacting means, e.g. hammers
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 present invention relates to a kind of drilling speed instrument of deep stratum drilling well, it is used to improve the problem of deep stratum drilling efficiency is low, drilling speed life tools are short.Its technical scheme is：Top connection is connected with drill collar with tapered thread, and hammer anvil is connected with drill bit with tapered thread；Control valve for fluids is arranged on top connection inner chamber；Top connection is linked together with lower contact with tapered thread, and inner chamber using top connection and the end face of lower contact carry out axial limiting to control valve for fluids；Block stamp is arranged in lower contact center lumen body, and hammer anvil is arranged in lower contact lower cavity；Seal sleeve is arranged in the annular space between lower contact and hammer anvil, and seal sleeve is threadedly coupled with lower contact, and carries out axial limiting to hammer anvil；Round pin is arranged in the arc groove between lower contact and hammer anvil.The present invention causes control valve for fluids and block stamp to move back and forth using drilling hydraulic, and reciprocating impact is carried out to hammer anvil, efficiency of breaking rock is improved, so as to improve bit speed.
Description
Technical field
The present invention relates to a kind of deep stratum drilling speed instrument of oil drilling.
Background technology
With the continuous exploration and development of oil, natural gas resource, drilling technology is continued to develop, and oil/gas drilling depth is more next
It is deeper, formation rock hardness more and more higher is met in drilling process, this just slow down bit speed, improve drilling cost.And
Existing traditional rotary drilling technology is not well positioned to meet the requirement of high speed drilling, how to improve efficiency of breaking rock, accelerates to bore
Well speed becomes a major issue in drilling process.
Revolving-drilling technique is a kind of effective means for improving bit speed, and impactor is the crucial portion for realizing rotary percussion drilling
Part.Impactor the most frequently used at this stage is hydraulic impacter, and it can significantly improve bit speed, but in use still
So there are many problems, such as the problems such as burn into maintenance difficult easy to wear, short life.Based on above technical background, spy of the present invention carries
For a kind of deep stratum drilling speed instrument.
The content of the invention
The purpose of the present invention is：In order to improve deep stratum bit speed, spy provides a kind of deep stratum drilling speed instrument.
In order to achieve the above object, the present invention uses following technical scheme：A kind of deep stratum drilling speed instrument, is by upper
Joint, valve element, lower contact, block stamp, hammer anvil, seal sleeve, round pin is constituted；Its architectural feature is：Top connection is internally provided with brill
Well liquid runner, top connection bottom is provided with ring cavity, is circumferentially evenly arranged with the middle part of top connection in four side openings, connection top connection
Portion's ring cavity and outside annular space, top connection top are provided with conical external screw thread, and top connection is connected with upper drilling string with tapered thread, on
Joint bottom is provided with conical internal thread, and top connection bottom is connected with lower contact top with tapered thread；Valve core inside is provided with
Drilling fluid runner, the outside of valve element is provided with a step, and valve element top external diameter is less than lower outer diameter, and the top of valve element is arranged on upper
In joint inner flow passage, dynamic sealing is used between valve element top and top connection inner flow passage, valve element bottom is arranged in lower contact
In portion's ring cavity, dynamic sealing is used between valve element bottom and lower contact top ring cavity, it is circumferential at valve core inside runner lower end position
Four side openings are evenly arranged with, valve core inside runner is connected with lower contact top ring cavity, is provided with valve element lower surface
One circular groove；Lower contact is internally provided with ring cavity, and the internal diameter of top ring cavity is less than the internal diameter of middle part ring cavity, middle part ring cavity it is interior
Footpath is less than in the middle part of the internal diameter of bottom ring cavity, lower contact is circumferentially evenly arranged with four side openings at ring cavity, by middle part ring cavity and outside
Annular space is connected, and is circumferentially evenly arranged with four arc grooves on inwall at the ring cavity of lower contact bottom, lower contact bottom is provided with mother
Screw thread；Block stamp is internally provided with drilling fluid runner, and block stamp upper end is arranged in the ring cavity of lower contact top, and block stamp lower end is arranged on down
In the middle part of joint in ring cavity, dynamic sealing, block stamp lower end and ring in the middle part of lower contact are used between block stamp upper end and lower contact top ring cavity
Dynamic sealing is used between chamber, block stamp upper surface is provided with an annular groove, it is circumferentially uniform in the annular groove lower position
Four side openings are provided with, annular groove is connected with block stamp inner flow passage；Hammer anvil is internally provided with drilling fluid runner, hammer anvil
The upper inner diameter of runner is less than lower inner diameter, and conical internal thread, hammer anvil and downhole drill bit taper spiral shell are provided with hammer anvil bottom
Line is attached, and the outside of hammer anvil is provided with a step, and four arc grooves, hammer anvil are circumferentially evenly arranged with the step
Top be arranged in the middle part of lower contact in ring cavity, dynamic sealing is used in the middle part of hammer anvil top and lower contact between ring cavity；Seal sleeve
An annular element is set to, screw thread is provided with the outside of seal sleeve, screw thread is used between seal sleeve and lower contact bottom
Connection；Round pin is set to a slender cylinder, the arc groove between lower contact bottom ring cavity and hammer anvil outer steps
It is interior.
It is an advantage of the invention that：(1) present invention is by drilling fluid driving, without adding other underground auxiliary power instruments,
Control mode is simple；(2) present invention does axially reciprocating using drilling fluid driving valve element, block stamp, and hammer anvil is back and forth rushed
Hit, transmit shock loading；(3) due to valve element, the special construction design of block stamp so that there is hydraulic pressure caching work between valve element and block stamp
With, it is possible to increase the service life of valve element；(4) due to lower contact and the installation relation of hammer anvil, it is allowed to which hammer anvil is axially having small
Vibration, shock loading preferably can be passed into drill bit；(5) shell body is split as top connection and lower contact, be easy to each
The installation and debugging of individual part.
Brief description of the drawings
Fig. 1 is a kind of structural representation of deep stratum drilling speed instrument of the invention；
Fig. 2 is the sectional drawing in E-E sections；
Fig. 3 is the threedimensional model of lower contact；
Fig. 4 is the threedimensional model of hammer anvil；
Fig. 5 is the partial enlarged drawing at Fig. 1 F positions；
In figure：1. connect on top connection, 2. valve elements, 3. lower contacts, 4. block stamps, 5. hammer anvils, 6. seal sleeves, 7. round pins, I,
Drilling fluid runner, A. top connections bottom ring cavity, II, valve core inside drilling fluid runners, 2a. valve elements bottom side opening, 2b. valve elements in head
Ring in the middle part of ring cavity in the middle part of lower surface groove, B. lower contacts top ring cavity, C. lower contacts, D. lower contacts bottom ring cavity, 3a. lower contacts
Drilling fluid runner, 4a. block stamps upper end in arc groove on side opening on chamber, 3b. lower contact lower loop cavity walls, III, block stamps
Outside drilling fluid runner in face ring connected in star, the side opening between 4b. annular grooves and drilling fluid runner III, IV hammer anvil, 5a. hammer anvils
Arc groove on step.
Embodiment
As shown in figure 1, the present invention is a kind of deep stratum drilling speed instrument：It is by top connection 1, valve element 2, lower contact 3, punching
Hammer 4, hammer anvil 5, seal sleeve 6, round pin 7 is constituted；Its architectural feature is：Top connection 1 is internally provided with drilling fluid runner I, above connects
First 1 bottom is provided with ring cavity A, and four side opening 1a, connection top connection 1 inside ring cavity A are circumferentially evenly arranged with the middle part of top connection 1
With outside annular space, the top of top connection 1 is provided with conical external screw thread, and top connection 1 is connected with upper drilling string with tapered thread, top connection
1 bottom is provided with conical internal thread, and the bottom of top connection 1 is connected with the top of lower contact 3 with tapered thread；Valve element 2 is internally provided with
Drilling fluid runner II, the outside of valve element 2 is provided with a step, and the top external diameter of valve element 2 is less than lower outer diameter, and the top of valve element 2 is pacified
In the inside drilling fluid runner I of top connection 1, dynamic sealing is used between the top of valve element 2 and the inside drilling fluid runner I of top connection 1,
The bottom of valve element 2 is arranged in the top ring cavity B of lower contact 3, and dynamic sealing is used between the bottom of valve element 2 and the top ring cavity B of lower contact 3,
Four side opening 2a are circumferentially evenly arranged with the lower end position of 2 inside drilling fluid runner of valve element II, by drilling fluid runner II with
The top ring cavity B of joint 3 is connected, and a circular groove 2b is provided with the lower surface of valve element 2；As shown in figure 3, inside lower contact 3
Ring cavity B, ring cavity C, ring cavity D are provided with, ring cavity B internal diameter is less than ring cavity C internal diameter, and ring cavity C internal diameter is less than the interior of ring cavity D
It is circumferential at footpath, the middle part ring cavity C of lower contact 3 to be evenly arranged with four side opening 3a, ring cavity C is connected with outside annular space, under lower contact 3
Four arc groove 3b are circumferentially evenly arranged with portion ring cavity D on inwall, the bottom of lower contact 3 is provided with box thread；Inside block stamp 4
Drilling fluid runner III is provided with, the upper end of block stamp 4 is arranged in the inside ring cavity B of lower contact 3, and the lower end of block stamp 4 is arranged in lower contact 3
In portion ring cavity C, dynamic sealing, the lower end of block stamp 4 and the inner loop of lower contact 3 are used between the upper end of block stamp 4 and the inside ring cavity B of lower contact 3
Dynamic sealing is used between chamber C, the upper surface of block stamp 4 is provided with an annular groove 4a, in annular groove 4a lower positions week
To four side opening 4b are evenly arranged with, annular groove 4a is connected with drilling fluid runner III；As shown in figure 4, being set inside hammer anvil 5
Drilling fluid runner IV is equipped with, the upper inner diameter of drilling fluid runner IV is less than lower inner diameter, the bottom of hammer anvil 5 is provided with spiral shell in taper
Line, hammer anvil 5 is attached with downhole drill bit with tapered thread, and the outside of hammer anvil 5 is provided with a step, circumferential on the step
Four arc groove 5a are evenly arranged with, the top of hammer anvil 5 is arranged in the inside ring cavity C of lower contact 3, and the top of hammer anvil 5 connects with
Dynamic sealing is used between first 3 inside ring cavity C；Seal sleeve 6 is set to an annular element, is provided with the outside of seal sleeve 6
Screw thread, uses between seal sleeve 6 and the bottom of lower contact 3 and is threadedly coupled；As shown in Fig. 2 round pin 7 is set to an elongate cylinder
In body, the arc groove between the bottom ring cavity D of lower contact 3 and the outer steps of hammer anvil 5.
A kind of operation principle of deep stratum drilling speed instrument of the present invention is：When the drilling speed instrument is installed into well, valve
Core 2 and block stamp 4 are at lowest positions；When drilling fluid enter well work when, drilling fluid from top connection 1 and valve element 2 flow through when,
The lower end hydraulic pressure lifting surface area of valve element 2 is more than upper end hydraulic pressure lifting surface area, valve element 2 can be caused to move up, until the top position
Put place and stop movement；Similarly, when drilling fluid flows through from block stamp 4, the lower end hydraulic pressure lifting surface area of block stamp 4 be more than upper end hydraulic pressure by
Power area, can cause block stamp 4 to move up, until stopping movement when being in contact with valve element 2；Due to valve element 2 and the phase mutual connection of block stamp 4
Touch, blocked the normal circulation of drilling fluid, at this moment valve element 2 and block stamp 4 can downwardly together be moved in the presence of drilling fluid, work as valve
When core 2 moves to lowest positions, valve element 2 and block stamp 4 are separated, and block stamp 4 will continue to move down in the presence of inertia, right
Hammer anvil 5 is impacted, then shock loading is passed into drill bit.Under drilling fluid effect, the cycle of valve element 2 and block stamp 4 back and forth transports
It is dynamic so that hammer anvil 5 is by periodic shock loading, so as to improve efficiency of breaking rock, accelerate bit speed.
Claims (2)
1. a kind of deep stratum drilling speed instrument, be by top connection (1), valve element (2), lower contact (3), block stamp (4), hammer anvil (5),
Seal sleeve (6), round pin (7) is constituted；It is characterized in that：Top connection (1) is internally provided with drilling fluid runner (I), under top connection (1)
Portion is provided with ring cavity (A), circumferential in the middle part of top connection (1) to be evenly arranged with four side openings (1a), connects top connection (1) inner loop
Chamber (A) and outside annular space, top connection (1) top are provided with conical external screw thread, and top connection (1) is connected with upper drilling string with tapered thread
Connect, top connection (1) bottom is provided with conical internal thread, top connection (1) bottom is connected with lower contact (3) top with tapered thread；
Valve element (2) is internally provided with drilling fluid runner (II), and the outside of valve element (2) is provided with a step, and valve element (2) top external diameter is less than
Lower outer diameter, the top of valve element (2) is arranged in the internal drilling fluid runner (I) of top connection (1), and valve element (2) top is with above connecing
Dynamic sealing is used between the internal drilling fluid runner (I) of head (1), valve element (2) bottom is arranged in lower contact (3) top ring cavity (B),
Dynamic sealing is used between valve element (2) bottom and lower contact (3) top ring cavity (B), in the internal drilling fluid runner (II) of valve element (2)
Circumferentially it is evenly arranged with four side openings (2a) at lower end position, four side openings (2a) are by drilling fluid runner (II) and lower contact (3)
Top ring cavity (B) is connected, and a circular groove (2b) is provided with valve element (2) lower surface；Lower contact (3) is internally provided with ring
Chamber (B), (C), (D), the internal diameter of ring cavity (B) are less than the internal diameter of ring cavity (C), and the internal diameter of ring cavity (C) is less than the internal diameter of ring cavity (D),
Ring cavity (C) place is circumferentially evenly arranged with four side openings (3a) in the middle part of lower contact (3), and ring cavity (C) and outside annular space are connected, under connect
Four arc grooves (3b) are circumferentially evenly arranged with head (3) bottom ring cavity (D) place inwall, lower contact (3) bottom is provided with mother
Screw thread.
2. deep stratum drilling speed instrument according to claim 1, it is characterized in that：Block stamp (4) is internally provided with drilling fluid
Runner (III), block stamp (4) upper end is arranged in the internal ring cavity (B) of lower contact (3), and block stamp (4) lower end is arranged in lower contact (3)
In portion's ring cavity (C), dynamic sealing is used between block stamp (4) upper end and the internal ring cavity (B) of lower contact (3), block stamp (4) lower end connects with
Dynamic sealing is used between the internal ring cavity (C) of head (3), block stamp (4) upper surface is provided with an annular groove (4a), it is recessed in the annular
Groove (4a) lower position is circumferentially evenly arranged with four side openings (4b), and annular groove (4a) is connected with drilling fluid runner (III)
It is logical；Hammer anvil (5) is internally provided with drilling fluid runner (IV), and the upper inner diameter of drilling fluid runner (IV) is less than lower inner diameter, in hammer
Anvil (5) bottom is provided with conical internal thread, and hammer anvil (5) is attached with downhole drill bit with tapered thread, the outside in hammer anvil (5)
A step is provided with, four arc grooves (5a) are circumferentially evenly arranged with the step, the top of hammer anvil (5), which is arranged on down, to be connect
In the internal ring cavity (C) of head (3), dynamic sealing is used between hammer anvil (5) top and the internal ring cavity (C) of lower contact (3)；Seal sleeve
(6) annular element is set to, screw thread, seal sleeve (6) and lower contact (3) bottom are provided with the outside of seal sleeve (6)
Between using threaded connection；Round pin (7) is set to a slender cylinder, and round pin (7) is arranged on lower contact (3) bottom ring cavity (D)
In arc groove between hammer anvil (5) outer steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298744.5A CN105909168B (en) | 2016-05-09 | 2016-05-09 | A kind of deep stratum drilling speed instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298744.5A CN105909168B (en) | 2016-05-09 | 2016-05-09 | A kind of deep stratum drilling speed instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105909168A CN105909168A (en) | 2016-08-31 |
| CN105909168B true CN105909168B (en) | 2017-11-07 |
Family
ID=56748590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610298744.5A Expired - Fee Related CN105909168B (en) | 2016-05-09 | 2016-05-09 | A kind of deep stratum drilling speed instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909168B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997529B (en) * | 2020-09-04 | 2021-04-09 | 江迪宇 | Drilling speed-increasing and efficiency-increasing tool with tripping braking function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3882945A (en) * | 1973-11-02 | 1975-05-13 | Sun Oil Co Pennsylvania | Combination laser beam and sonic drill |
| US4333539A (en) * | 1979-12-31 | 1982-06-08 | Lyons William C | Method for extended straight line drilling from a curved borehole |
| CN2550477Y (en) * | 2002-01-14 | 2003-05-14 | 中国石油化工股份有限公司 | Jet flow type impact device |
| CN1730898A (en) * | 2005-09-05 | 2006-02-08 | 中国大陆科学钻探工程中心 | Combined core drilling system driven by downhole motor and impactor |
-
2016
- 2016-05-09 CN CN201610298744.5A patent/CN105909168B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105909168A (en) | 2016-08-31 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 |
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