CN107806332A - A kind of flexible ultra-short radius boring bar tool - Google Patents
A kind of flexible ultra-short radius boring bar tool Download PDFInfo
- Publication number
- CN107806332A CN107806332A CN201711282509.XA CN201711282509A CN107806332A CN 107806332 A CN107806332 A CN 107806332A CN 201711282509 A CN201711282509 A CN 201711282509A CN 107806332 A CN107806332 A CN 107806332A
- Authority
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- China
- Prior art keywords
- ball
- socket
- housing
- short radius
- drill bit
- 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.)
- Pending
Links
- 230000008093 supporting effect Effects 0.000 claims abstract description 24
- 210000002445 nipple Anatomy 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000014759 maintenance of location Effects 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000011435 rock Substances 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 description 8
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011084 recovery 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations
-
- 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
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
-
- 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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
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 invention discloses a kind of flexible ultra-short radius boring bar tool, including nipple, steady pin, ball rod, ball-and-socket housing, club housing, torsion pass spring, supporting ball-and-socket, drill bit；Supporting ball-and-socket, ball rod, ball-and-socket housing, club housing and steady pin mutual cooperation composition are hinged section, wherein：Supporting ball-and-socket is built in the ball-and-socket housing being mutually inserted, and ball rod is mutually inserted and is fixedly connected with club housing；Some sections that are hinged are serially connected, and head and the tail both ends are fixedly connected with nipple, drill bit respectively, form the flexible shaft structure of instrument；It is enclosed on outside torsion pass spring is multiple outside flexible shaft structure.The present invention is by using separate structure transmission torsion and Tensile or Compressive Loading, in sleeve pipe in ultra-short radius bore operation, life tools length, it is big to transmit load, can one-time continuous drill the rock of sleeve pipe, cement sheath and certain depth, the overall efficiency that ultra-short radius drills in sleeve pipe can be effectively improved.
Description
Technical field
The present invention relates to oil gas field pit shaft engineering technical field of tools, more particularly to a kind of flexible ultra-short radius drillman
Tool.
Background technology
Ultra-short radius drilling technique can provide a plurality of gas channel for oil well in sleeve pipe, increase drainage area, effectively carry
The high rate of oil and gas recovery；Compared with traditional perforating technology, ultra-short radius drilling technique can not only obtain deeper oil gas in sleeve pipe
Passage, while avoid the pollution to stratum and the destruction to sleeve pipe and cement sheath, obvious effect of increasing production.Prior art is directed to
The different attribute of sleeve pipe, cement sheath and formation rock, operation is carried out using two kinds of flexible drill strings, boring a hole needs repeatedly to remove
Bore, sleeve pipe cement sheath milling tool therein, plastic deformation and load transmission realized by same structure because physical dimension by
Space limitation in sleeve pipe, excessive instrument plastic deformation frictional resistance frequently results in life tools and not grown, and then causes sleeve pipe
The overall efficiency of construction of interior ultra-short radius drilling is relatively low.
The content of the invention
In view of the above-mentioned problems, the invention provides a kind of flexible ultra-short radius boring bar tool, by using separate
Structure transmits moment of torsion and Tensile or Compressive Loading, extends life tools, increases the ability for transmitting load, can one-time continuous drill set
The rock of pipe, cement sheath and certain depth, the overall efficiency that ultra-short radius drills in sleeve pipe can be effectively improved.
The technical solution adopted for the present invention to solve the technical problems is：A kind of flexible ultra-short radius boring bar tool, including
Nipple, steady pin, ball rod, ball-and-socket housing, club housing, torsion pass spring, supporting ball-and-socket, drill bit；Support ball-and-socket, bulb
Bar, ball-and-socket housing, club housing and steady pin mutual cooperation composition are hinged section, wherein：Supporting ball-and-socket, which is built in, to be mutually inserted
Ball-and-socket housing and be fixedly connected by steady pin, ball rod ball head split-phase can be in certain model for ball-and-socket housing ball-and-socket part
Enclose it is interior freely rotate, ball rod is mutually inserted and is fixedly connected by steady pin with club housing, be hinged section both ends be respectively
Ball-and-socket housing and ball rod；Some sections that are hinged are serially connected, head and the tail both ends be ball rod and respectively with nipple, bore
Head is fixedly connected by steady pin, is formed the flexible shaft structure of instrument, can be transmitted Tensile or Compressive Loading and circulating fluid；Torsion pass bullet
It is enclosed on outside spring is multiple outside flexible shaft structure, nipple is fixed in one end, and the other end is fixed on drill bit, realizes nipple to brill
The moment of torsion transmission of head.
Above-mentioned technical proposal can further optimize as follows：
The nipple is hollow cylinder；The big end endoporus of cylinder is the connection screw thread for connecting overhead power input unit,
Circulation fluid can be inputted；On the outside of the big newel post face in the middle part of cylinder, the uniform multiple joint spring card slots in axial direction；The small end of cylinder is cylindrical
Cylinder is joint spring supporting face, the multiple symmetrical fixation joint pin-and-holes of radial equipartition on the cylinder held greatly.
The revolving body that the ball rod is made up of orbicule and rhabodoid, centre are club runners；Rhabodoid end side
Uniform two club boss on wall, single club boss are sidewall end face ring bodies retention 1/4；Hung down among club boss side surfaces
Directly in the fixation bulb pin-and-hole of revolving body axis direction arrangement insertion.
The ball-and-socket housing is shell-like revolving body, and lateral surface is ball-and-socket spring supporting face, and one end medial surface is hemispherical shell
Body sphere, uniform two ball-and-socket boss in other end side wall, single ball-and-socket boss are sidewall end face ring bodies retention 1/4；In ball
Nest boss side surfaces intermediate vertical is in the fixation ball-and-socket shell pin-and-hole of revolving body axis direction arrangement insertion.
The supporting ball-and-socket is hollow revolving body, and centre is ball-and-socket runner, and endoporus axial arranged hemispherical ball-and-socket in both ends is held
Pressure surface, revolving body middle part radial equipartition run through 4 fixation ball-and-socket pin-and-holes of side wall.
The drill bit is the revolving body on mushroom pinnacle, and one end is mushroom head, and the other end is bit sub；In mushroom head,
Uniform multiple hydrophthalmias；Mushroom cone outboard shafts are made to uniform multiple round bottom section slots, half as drill bit spring card slot, half
For tank；Bit sub external cylindrical surface is drill bit spring supporting face, the multiple fixation brills through side wall of radial equipartition on cylinder
Head pin-and-hole.
The mushroom head is formed by diamond and sintering cemented carbide.
The present invention has following beneficial effect relative to prior art：A kind of flexible ultra-short radius boring bar tool uses
Spring structure transmits moment of torsion, and the pressure of the drill is transmitted using section string is hinged, and circulation fluid, instrument can be transmitted by being hinged insertion among section string
Crept into predetermined trajectory internal rotation, long lifespan, it is big to transmit the ability of load, can one-time continuous drill sleeve pipe, cement sheath and certain
The rock of depth, the overall efficiency that ultra-short radius drills in sleeve pipe can be effectively improved.
Brief description of the drawings
Fig. 1 is a kind of flexible ultra-short radius boring bar tool structural representation；
Fig. 2 is screw-thread joint structure schematic diagram；
Fig. 3 is ball rod structural representation；
Fig. 4 is ball-and-socket housing structural representation；
Fig. 5 is socket arrangement schematic diagram；
Fig. 6 is drill bit structure schematic diagram.
In upper figure：1- nipples, 101- connection screw threads, 102- joint spring card slots, 103- joint pin-and-holes, 104- joints
Spring supporting face, 2- steady pins, 3- ball rods, 301- club boss, 302- orbicules, 303- bulb pin-and-holes, 304- club streams
Road, 4- ball-and-socket housings, 401- ball-and-socket boss, 402- ball-and-socket shell pin-and-holes, 403- ball-and-socket spring supportings face, 404- housing spheres, 5-
Club housing, 6- torsion pass springs, 7- supporting ball-and-sockets, 701- pressure-bearing ball-and-sockets face, 702- ball-and-socket runners, 703- ball-and-socket pin-and-holes, 8- are bored
Head, 801- drill bit pin-and-holes, 802- drill bit spring supportings face, 803- drill bit spring card slots, 804- bit ports, 805- mushroom heads.
Embodiment
The present invention is elaborated below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of flexible ultra-short radius boring bar tool that the present invention mentions, including nipple 1, steady pin 2, bulb
Bar 3, ball-and-socket housing 4, club housing 5, torsion pass spring 6, supporting ball-and-socket 7, drill bit 8；Support ball-and-socket 7, ball rod 3, ball-and-socket housing
4th, club housing 5 and the mutual cooperation composition of steady pin 2 are hinged section, wherein：Supporting ball-and-socket 7 is built in the ball-and-socket shell being mutually inserted
Body 4 is simultaneously fixedly connected by steady pin 2, and the ball head split-phase of ball rod 3 can be within the specific limits for the ball-and-socket part of ball-and-socket housing 4
Freely rotate, ball rod 3 is mutually inserted and is fixedly connected by steady pin 2 with club housing 5, and it is ball respectively to be hinged section both ends
Nest housing 4 and ball rod 3；Some sections that are hinged are serially connected, head and the tail both ends be ball rod 3 and respectively with nipple 1,
Drill bit 8 is fixedly connected by steady pin 2, forms the flexible shaft structure of instrument, can transmit Tensile or Compressive Loading and circulating fluid；Pass
Torsion spring more than 6 is outer to be enclosed on outside flexible shaft structure, and nipple 1 is fixed in one end, and the other end is fixed on drill bit 8, realizes screw thread
Joint 1 arrives the moment of torsion transmission of drill bit 8.
As shown in Fig. 2 the nipple 1 is hollow cylinder；The big end endoporus of cylinder is connection overhead power input
The connection screw thread 101 of device, can input circulation fluid；On the outside of the big newel post face in the middle part of cylinder, the uniform multiple joint springs in axial direction
Neck 102；The small end external cylindrical surface of cylinder is joint spring supporting face 104, and radial equipartition is multiple right on the cylinder held greatly
The fixation of title joint pin-and-hole 103.
As shown in figure 3, the revolving body that the ball rod 3 is made up of orbicule 302 and rhabodoid, centre is club runner
304；Uniform two club boss 301 in rhabodoid end sidewalls, single club boss 301 are sidewall end face ring bodies retention 1/
4；In the side intermediate vertical of club boss 301 in the fixation bulb pin-and-hole 303 of revolving body axis direction arrangement insertion.
As shown in figure 4, the ball-and-socket housing 4 is shell-like revolving body, lateral surface is ball-and-socket spring supporting face 403, in one end
Side is hemispherical housing sphere 404, and uniform two ball-and-socket boss 401 in other end side wall, single ball-and-socket boss 401 is side wall
End face ring bodies retention 1/4；In the side intermediate vertical of ball-and-socket boss 401 in the fixation ball of revolving body axis direction arrangement insertion
Nest shell pin-and-hole 402.
As shown in figure 5, the supporting ball-and-socket 7 is hollow revolving body, centre is ball-and-socket runner 702, both ends endoporus axial direction cloth
Hemispherical ball-and-socket pressure-bearing surface 701 is put, revolving body middle part radial equipartition runs through 4 fixation ball-and-socket pin-and-holes 703 of side wall.
As shown in fig. 6, the drill bit 8 is the revolving body on mushroom pinnacle, one end is mushroom head 805, and the other end is drill bit
Handle 802；In mushroom head 805, uniform multiple hydrophthalmias 804；The uniform multiple round bottom section slots in axial direction on the outside of the cone of mushroom head 805,
Half is as drill bit spring card slot 803, and half is as tank；The external cylindrical surface of bit sub 802 is drill bit spring supporting face 802,
Radial equipartition multiple fixations through side wall drill bit pin-and-hole 801 on cylinder.
The mushroom head（805）Formed by diamond and sintering cemented carbide, it both with diamond hardness with it is wear-resisting
Property, again have hard alloy intensity and toughness.
A kind of flexible ultra-short radius boring bar tool that the present invention mentions, it is as follows using process：The ultra-short radius in sleeve pipe
During drilling construction, flexible ultra-short radius boring bar tool is threadedly attached in power drilling tool lower end, tripping in tool string is until soft
Property ultra-short radius boring bar tool touches sleeve side walls through steering gear；Apply the brill of certain value using automatic pressurizing device
Pressure, start power drilling tool, moment of torsion is transmitted by torsion pass spring 6, and the pressure of the drill is transferred to drill bit 8 by being hinged section string；Circulation fluid leads to
Cross flexible ultra-short radius boring bar tool intermediate flow channel to return in sleeve pipe along annular space again to drill bit 8, drilling cuttings edge plays the spiral shell of torsion pass spring 6
Revolve space it is counter go out in sleeve pipe；Stop drilling until flexible ultra-short radius boring bar tool fully enters steering gear, take out whole works
Tool is gone here and there into sleeve pipe, then creeps into next hole.
Claims (7)
1. a kind of flexible ultra-short radius boring bar tool, it is characterized in that：Including nipple（1）, steady pin（2）, ball rod（3）、
Ball-and-socket housing（4）, club housing（5）, torsion pass spring（6）, supporting ball-and-socket（7）, drill bit（8）；Support ball-and-socket（7）, ball rod
（3）, ball-and-socket housing（4）, club housing（5）And steady pin（2）Mutual cooperation composition is hinged section, wherein：Support ball-and-socket（7）It is interior
It is placed in the ball-and-socket housing being mutually inserted（4）And by steady pin（2）It is fixedly connected, ball rod（3）Ball head split-phase is for ball-and-socket shell
Body（4）Ball-and-socket part can freely rotate within the specific limits, ball rod（3）It is mutually inserted and passes through steady pin（2）With club
Housing（5）It is fixedly connected, it is ball-and-socket housing respectively to be hinged section both ends（4）And ball rod（3）；Some sections that are hinged are serially connected in one
Rise, head and the tail both ends are ball rods（3）And respectively with nipple（1）, drill bit（8）Pass through steady pin（2）It is fixedly connected, forms
The flexible shaft structure of instrument, Tensile or Compressive Loading and circulating fluid can be transmitted；Torsion pass spring（6）Flexible shaft structure is enclosed on outside multiple
Outside, nipple is fixed in one end（1）, the other end is fixed on drill bit（8）, realize nipple（1）To drill bit（8）Moment of torsion pass
Pass.
2. a kind of flexible ultra-short radius boring bar tool according to claim 1, it is characterized in that：The nipple（1）It is
Hollow cylinder；The big end endoporus of cylinder is the connection screw thread for connecting overhead power input unit（101）, circulation fluid can be inputted；
On the outside of the big newel post face in the middle part of cylinder, the uniform multiple joint spring card slots in axial direction（102）；The small end external cylindrical surface of cylinder is to connect
Head spring supporting face（104）, the multiple symmetrical fixation joint pin-and-holes of radial equipartition on the cylinder held greatly（103）.
3. a kind of flexible ultra-short radius boring bar tool according to claim 1, it is characterized in that：The ball rod（3）Be by
Orbicule（302）With the revolving body of rhabodoid composition, centre is club runner（304）；Uniform two in rhabodoid end sidewalls
Club boss（301）, single club boss（301）For sidewall end face ring bodies retention 1/4；In club boss（301）In side
Between perpendicular to revolving body axis direction arrangement insertion fixation bulb pin-and-hole（303）.
4. a kind of flexible ultra-short radius boring bar tool according to claim 1, it is characterized in that：The ball-and-socket housing（4）It is
Shell-like revolving body, lateral surface are ball-and-socket spring supporting faces（403）, one end medial surface is hemispherical housing sphere（404）, the other end
Uniform two ball-and-socket boss in side wall（401）, single ball-and-socket boss（401）For sidewall end face ring bodies retention 1/4；It is convex in ball-and-socket
Platform（401）Side intermediate vertical is in the fixation ball-and-socket shell pin-and-hole of revolving body axis direction arrangement insertion（402）.
5. a kind of flexible ultra-short radius boring bar tool according to claim 1, it is characterized in that：The supporting ball-and-socket（7）It is
Hollow revolving body, centre are ball-and-socket runners（702）, the axial arranged hemispherical ball-and-socket pressure-bearing surface of both ends endoporus（701）, in revolving body
Portion's radial equipartition runs through 4 fixation ball-and-socket pin-and-holes of side wall（703）.
6. a kind of flexible ultra-short radius boring bar tool according to claim 1, it is characterized in that：The drill bit（8）It is mushroom
The revolving body on shape pinnacle, one end are mushroom heads（805）, the other end is bit sub（802）；In mushroom head（805）It is interior, it is uniform multiple
Hydrophthalmia（804）；Mushroom head（805）The uniform multiple round bottom section slots in axial direction on the outside of cone, half is as drill bit spring card slot
（803）, half is as tank；Bit sub（802）External cylindrical surface is drill bit spring supporting face（802）, the radial equipartition on cylinder
Multiple fixations through side wall drill bit pin-and-hole（801）.
7. a kind of flexible ultra-short radius boring bar tool according to claim 6, it is characterized in that：The mushroom head（805）By
Diamond and sintering cemented carbide form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711282509.XA CN107806332A (en) | 2017-12-07 | 2017-12-07 | A kind of flexible ultra-short radius boring bar tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711282509.XA CN107806332A (en) | 2017-12-07 | 2017-12-07 | A kind of flexible ultra-short radius boring bar tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107806332A true CN107806332A (en) | 2018-03-16 |
Family
ID=61589027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711282509.XA Pending CN107806332A (en) | 2017-12-07 | 2017-12-07 | A kind of flexible ultra-short radius boring bar tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107806332A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311433A (en) * | 2021-12-31 | 2022-04-12 | 北京星航机电装备有限公司 | Pneumatic demoulding assembly and packaging box body forming device |
| CN115492538A (en) * | 2022-09-15 | 2022-12-20 | 西南石油大学 | Double-ball-head flexible drill rod for realizing small curvature radius |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2466335Y (en) * | 2000-10-15 | 2001-12-19 | 张书明 | Flexible drilling tool |
| GB0314533D0 (en) * | 2003-06-23 | 2003-07-30 | Schlumberger Holdings | Drilling tool |
| CN203201467U (en) * | 2013-03-18 | 2013-09-18 | 王建生 | Steering tool for jet drilling radial well through hydraulic-controlled hollow spherical joint connection |
| CN203594362U (en) * | 2013-12-19 | 2014-05-14 | 大庆井泰石油工程技术股份有限公司 | Upper tri-connecting assembly dedicated for ultra-short radius drilling well completion |
| CN106223871A (en) * | 2016-08-10 | 2016-12-14 | 中国石油天然气股份有限公司 | Flexible drill rod |
| CN107178315A (en) * | 2017-06-14 | 2017-09-19 | 中石化石油工程技术服务有限公司 | The nearly compound drop of drill bit turns round broken rock device |
| CN207499830U (en) * | 2017-12-07 | 2018-06-15 | 中国石油大学(华东) | A kind of flexibility ultra-short radius boring bar tool |
-
2017
- 2017-12-07 CN CN201711282509.XA patent/CN107806332A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2466335Y (en) * | 2000-10-15 | 2001-12-19 | 张书明 | Flexible drilling tool |
| GB0314533D0 (en) * | 2003-06-23 | 2003-07-30 | Schlumberger Holdings | Drilling tool |
| CN203201467U (en) * | 2013-03-18 | 2013-09-18 | 王建生 | Steering tool for jet drilling radial well through hydraulic-controlled hollow spherical joint connection |
| CN203594362U (en) * | 2013-12-19 | 2014-05-14 | 大庆井泰石油工程技术股份有限公司 | Upper tri-connecting assembly dedicated for ultra-short radius drilling well completion |
| CN106223871A (en) * | 2016-08-10 | 2016-12-14 | 中国石油天然气股份有限公司 | Flexible drill rod |
| CN107178315A (en) * | 2017-06-14 | 2017-09-19 | 中石化石油工程技术服务有限公司 | The nearly compound drop of drill bit turns round broken rock device |
| CN207499830U (en) * | 2017-12-07 | 2018-06-15 | 中国石油大学(华东) | A kind of flexibility ultra-short radius boring bar tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311433A (en) * | 2021-12-31 | 2022-04-12 | 北京星航机电装备有限公司 | Pneumatic demoulding assembly and packaging box body forming device |
| CN114311433B (en) * | 2021-12-31 | 2024-04-05 | 北京星航机电装备有限公司 | Pneumatic demoulding assembly and packing box body forming device |
| CN115492538A (en) * | 2022-09-15 | 2022-12-20 | 西南石油大学 | Double-ball-head flexible drill rod for realizing small curvature radius |
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