CN108952580A - Drilling pipe recoverable abradant jet fishbone well bores completion system - Google Patents
Drilling pipe recoverable abradant jet fishbone well bores completion system Download PDFInfo
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- CN108952580A CN108952580A CN201810848020.2A CN201810848020A CN108952580A CN 108952580 A CN108952580 A CN 108952580A CN 201810848020 A CN201810848020 A CN 201810848020A CN 108952580 A CN108952580 A CN 108952580A
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- drilling pipe
- drilling
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- module
- pipe
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- 238000005553 drilling Methods 0.000 title claims abstract description 134
- 238000002347 injection Methods 0.000 claims abstract description 57
- 239000007924 injection Substances 0.000 claims abstract description 57
- 239000011435 rock Substances 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 230000035515 penetration Effects 0.000 claims abstract description 14
- VNFVKWMKVDOSKT-LREBCSMRSA-N (2r,3r)-2,3-dihydroxybutanedioic acid;piperazine Chemical compound C1CNCCN1.OC(=O)[C@H](O)[C@@H](O)C(O)=O VNFVKWMKVDOSKT-LREBCSMRSA-N 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 32
- 238000004064 recycling Methods 0.000 claims description 31
- 210000002445 nipple Anatomy 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000005299 abrasion Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000010977 unit operation Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 230000000704 physical effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000011218 segmentation Effects 0.000 abstract description 2
- 230000002045 lasting effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 11
- 239000003082 abrasive agent Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000411 inducer Substances 0.000 description 3
- 239000010977 jade Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- 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
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
-
- 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
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 drilling pipe recoverable abradant jet fishbone wells to bore completion system.Its technical solution is: including connection and righting module, drilling pipe rate of penetration control module, the unidirectional valve module of injection, drilling pipe and waterpower windowing/broken rock drilling head module, drilling pipe diverter module, fish-bone thorn device target seeker, the device can realize the fixed point injection and the switching of lasting drilling injection both of which of drilling pipe, the former opens a window or carries out for casing waterpower to break off " neck eye " before the broken rock of stratum first, guarantees the reliability of the subsequent entrance of drilling pipe;The latter for persistently breaking off Microdrilling in the earth formation.The beneficial effects of the present invention are: the injection liquid that the present invention is crept into using abradant jet as casing sidetracking and broken rock, is not only suitable for cased well, and be suitable for open hole well, job area is wide, and efficiency of breaking rock is high, is not limited by reservoir rock physical property;In addition, drilling pipe of the invention is recyclable, the function of once entering well segmentation drilling is realized.
Description
Technical field
The present invention relates to completion system and application method is bored in a kind of oil-gas field development, in particular to a kind of drilling pipe is recyclable
Formula abradant jet fishbone well bores completion system.
Background technique
Existing fish bony spur bores completion technique and provides a kind of novel solution party for the requirement of the low investment high production of petroleum resources
Case.Its technical characterstic are as follows:
(1) water-jet broken rock is carried out using hydraulic drilling drill bit and minor diameter metal drilling pipe, it can be achieved that orientation, fixed point, fixed length
Pore-creating is that a kind of brill New Once Completion Technology of efficient, accurate connection oil-gas reservoir can also effectively avoid water especially suitable for thin reservoir
Layer, while compared with perforating and fracturing, the technology is more preferable to the connectivity of pit shaft and reservoir;
(2) a part that stimulation work is become to drillng operation forms multiple points by way of " parallel drilling " in reservoir
Branch increases reservoir bare area, without the links such as setting of casing, well cementation, pipe cleaning, perforation, pressure break, be it is a kind of in fracturing production and
Naturally the Novel drill completion mode between producing is built.
Although having had the case of successful application in foreign countries' technology, there are still many restrictions for its use scope, for example,
The prior art is only applicable to open hole well, then helpless for cased well;The prior art is primarily adapted for use in carbonate formation, makes
It is broken rock injection liquid with HCl acid solution, carries out broken rock drilling by hydraulic blow and chemical attack synergy, can not be applied to cause
In the low hole such as close sandstone, shale, hypotonic and harder reservoir;After the prior art is crept into, drilling pipe can not be recycled, and still be deposited in
In stratum, it can only slowly be corroded by way of continuing to inject acid solution.
It is bored in completion technique in view of the above problems, abradant jet is introduced into fishbone well, the prior art will be broken through and be only applicable in
In open hole well and reservoir rock physical parameter limitation and drilling pipe recycled into sustainable use be included in technical solution.
(1) it is directed to open hole well, is crept into using the direct broken rock of abradant jet, since abradant jet broken rock is not substantially by formation rock
The containing of stone physical parameter and mechanics parameter, therefore applicable scope will be widened significantly;
(2) it is directed to cased well, carries out casing sidetracking using abradant jet first, then broken rock is crept into again, passes through control system pressure
Power creeps into the switching of both of which to realize casing sidetracking with broken rock, and two kinds of construction technologies are integrated to one-trip string completion, simplify
Construction technology;
(3) abradant jet broken rock threshold pressure is far below Solid Free acid solution jet stream, bores to reduce broken rock injection liquid in minor diameter
It is influenced caused by broken rock pore-forming effect in pipe as pressure loss, the length that drilling pipe enters stratum is expected to break through the prior art
Limitation, to further increase reservoir control area.
What the present invention namely proposed under such background technique.
Summary of the invention
The purpose of the present invention is to drawbacks described above of the existing technology, a kind of drilling pipe recoverable abrasive material is provided and is penetrated
It flows fishbone well and bores completion system.
A kind of drilling pipe recoverable abradant jet fishbone well that the present invention mentions bores completion system, and technical solution is:
It is opened including connection and righting module (1), drilling pipe rate of penetration control module (2), the unidirectional valve module (3) of injection, drilling pipe and waterpower
Window/broken rock drilling head module (4), drilling pipe diverter module (6), fish-bone thorn device target seeker (7),
The connection and righting module (1) are by tubing coupling (1-1) and centralizer (1-2) and fish-bone thorn device box cupling (1-
3) it forms, the tubing coupling left end (1-1) is used for connected pipes, so as to will be in package unit lower going-into-well;Fish-bone thorn device box cupling (1-
3) a whole set of fish-bone thorn device is connect by centralizer (1-2) with tubing coupling (1-1);
The drilling pipe rate of penetration control module (2) is by fish-bone thorn device box cupling (1-3) and transition pipe nipple (2-4) and fish-bone
Thorn device shell (2-8) connection, seal box (2-2), transition pipe nipple (2-4), central tube (2-9) form left chamber (2-3), simultaneously
Transition pipe nipple (2-4) and central tube (2-9) form right chamber (2-7);
The unidirectional valve module (3) of injection is connect by bolt with spool sliding sleeve (3-5) by central tube (2-9);Spool
Sliding sleeve (3-5) is connect with injection liquid overflowing device (3-6);It is viscous to spray one-way valve seat (3-1) and spool sliding sleeve (3-5)
It closes, the injection nonreturn valve core left end (3-3) is equipped with anti-wear valve core cap (3-2), injection nonreturn valve core (3-3) by screw and sprays
Enclosure space is formed between liquid overflowing device (3-6);
The drilling pipe and waterpower windowing/broken rock drilling head module (4) are by drilling pipe integrated base (4-1) and injection liquid overflowing device (3-6)
Connection;More level-one diverter drilling pipes (4-2) and more second level diverter drilling pipes (4-3) are welded on drilling pipe integrated base (4-1);
End is welded with waterpower windowing/broken rock drill bit (4-4);
The drilling pipe diverter module (6) is made of level-one diverter, second level diverter.
Preferably, there are six wiper blocks, wiper block to be bonded with internal surface of sleeve pipe for band on above-mentioned centralizer (1-2), guarantees whole
In covering device operation process, device and casing almost coaxial.
Preferably, multi-layer precise strainer (2-1) is installed on above-mentioned seal box (2-2);It is equipped on transition pipe nipple (2-4)
Check valve (2-10) is used in Throttle needle valve (2-5), fixed point injection control valve (2-6), drilling pipe recycling.
Preferably, fixed point injection control valve (2-6) is equipped between above-mentioned left chamber (2-3) and right chamber (2-7), it is described fixed
Point injection control valve (2-6) be by spray surely spool (2-6-1), surely spray spring (2-6-2), surely spray spring base (2-6-3) constitute;Its
In spray spool (2-6-1) surely and opened there are six liquid flow-conveying groove on spring base (2-6-3) with spraying surely, and the latter corresponds to each overcurrent
Slot is also opened there are six flowing hole.
Preferably, above-mentioned drilling pipe recycling is by recycling spring base (2-10-1), recycling spring (2- with check valve (2-10)
10-2), spool (2-10-3), recycling rubber valve seat (2-10-4), recycling spool jackscrew (2-10-5) composition are recycled;Recycle spool
Flowing hole there are four being opened on (2-10-3);Recycle spool jackscrew (2-10-5) adjustable recycling spool (2-10-3) and recycling rubber
The fitting compactness of valve seat (2-10-4) compensates after there is abrasion so as to rubber valve seat.
Preferably, four level-one diverter drilling pipes (4-2) are welded on above-mentioned drilling pipe integrated base (4-1) to turn with four second levels
To device drilling pipe (4-3).
Preferably, the second level diverter of above-mentioned drilling pipe diverter module (6) is by annular space flowing hole (6-1), drilling pipe guide cone
(6-2), track (6-3) composition is turned to, is machined with six protrusions on the shell of second level diverter, plays centralizing function;Turn to track
(6-3) tilts arrangement on diverter (6), and turns to the not no axis co-planar with diverter (6) of longitudal section of track (6-3).
The beneficial effects of the present invention are: the present invention can be realized the windowing of fixed point injection sheath, continue broken rock drilling, drilling pipe time
Receive recycling function;It include the Throttle needle valve that can adjust control rate of penetration, by changing hydraulic oil area of passage
Mode changes the rate of penetration of drilling pipe;It include that the injection of waterpower drill bit fixed point and the fixed point of persistently drilling both of which switching are sprayed
Control valve, and switch pressure and freely adjusted by changing the rigidity for spraying spring surely and installation pre-compression force.Spray nonreturn valve core with
Enclosure space is formed between injection liquid overflowing device, wherein being equipped with reset spring, injection nonreturn valve core is in static shape after opening
State is not in " open-close " movement repeatedly, and reset spring is not influenced by abrasive material, can be avoided and stuck phenomenon occurs.Drilling pipe
Material is metal, it is ensured that direction when drilling pipe advances in the earth formation;Waterpower windowing/broken rock drill bit is rotating jet drill bit, set
Pipe windowing is capable of forming major diameter eyelet when creeping into broken rock.It uses rotary abrasive jet as injection liquid, is not only suitable for cased well,
It is suitable for open hole well again, and is not limited by reservoir rock physical property;
In addition, the injection liquid that invention is crept into using abradant jet as casing sidetracking and broken rock, is not only suitable for cased well, and be applicable in
In open hole well, job area is wide, and efficiency of breaking rock is high, is not limited by reservoir rock physical property;In addition, drilling pipe of the invention can return
It receives, realizes the function of once entering well segmentation drilling.
Detailed description of the invention
Fig. 1 is full sectional view of the invention;
Fig. 2 is connection and righting modular structure schematic diagram in the present invention;
Fig. 3 is the Section A-A figure in Fig. 2;
Fig. 4 is the drilling pipe rate of penetration control module structural schematic diagram in the present invention;
Fig. 5 is the injection check valve modular structure schematic diagram in the present invention;
Fig. 6 is drilling pipe and waterpower windowing/broken rock drilling head module structural schematic diagram in the present invention;
Fig. 7 is the section B-B figure in Fig. 6;
Fig. 8 is the fixed point injection control valve structural schematic diagram in the present invention;
Fig. 9 is the C-C sectional view of Fig. 8;
Figure 10 is the drilling pipe recycling one-way valve structures schematic diagram in the present invention;
Figure 11 is waterpower windowing/broken rock drill bit structure schematic diagram in the present invention;
Figure 12 is the second level diverter structure schematic diagram in the present invention;
Figure 13 is arrangement mode schematic diagram of the steering track on diverter in the present invention;
In upper figure: connection is opened with righting module 1, drilling pipe rate of penetration control module 2, the unidirectional valve module 3 of injection, drilling pipe and waterpower
Window/broken rock drilling head module 4, level-one diverter 5, drilling pipe diverter module 6, fish-bone thorn device target seeker 7;Tubing coupling 1-1, it helps
Positive device 1-2, fish-bone thorn device box cupling 1-3;Accurate strainer 2-1, seal box 2-2, left chamber 2-3, transition pipe nipple 2-4, throttling needle
Valve 2-5, fixed point injection control valve 2-6, right chamber 2-7, fish bony spur device housing 2-8, central tube 2-9, drilling pipe recycling are with unidirectionally
Valve 2-10;Spray one-way valve seat 3-1, anti-wear valve core cap 3-2, injection nonreturn valve core 3-3, reset spring 3-4, spool sliding sleeve
3-5, injection liquid overflowing device 3-6;Drilling pipe integrated base 4-1, level-one diverter drilling pipe 4-2, second level diverter drilling pipe 4-3, waterpower are opened
Window/broken rock drill bit 4-4;Bushing 4-4-1, impeller inducer 4-4-2, nozzle 4-4-3;Annular space flowing hole 6-1, drilling pipe guide cone 6-2,
Turn to track 6-3.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Referring to attached drawing 1-13, a kind of drilling pipe recoverable abradant jet fishbone well that the present invention mentions bores completion system,
Its technical solution is: including connection and righting module 1, drilling pipe rate of penetration control module 2, the unidirectional valve module 3 of injection, drilling pipe with
Waterpower windowing/broken rock drilling head module 4, drilling pipe diverter module 6, fish-bone thorn device target seeker 7,
The connection is made of with righting module 1 tubing coupling 1-1 and centralizer 1-2 and fish-bone thorn device box cupling 1-3, oil
The pipe left end box cupling 1-1 is used for connected pipes, so as to will be in package unit lower going-into-well;Fish-bone thorn device box cupling 1-3 is by a whole set of fish-bone
Thorn device is connect by centralizer 1-2 with tubing coupling 1-1;
The drilling pipe rate of penetration control module 2 is by fish-bone thorn device box cupling 1-3 and transition pipe nipple 2-4 and fish-bone thorn device
Shell 2-8 connection, seal box 2-2, transition pipe nipple 2-4, central tube 2-9 form left chamber 2-3, while transition pipe nipple 2-4 is in
Heart pipe 2-9 forms right chamber 2-7;
The unidirectional valve module 3 of injection is connect by bolt with spool sliding sleeve 3-5 by central tube 2-9;Spool sliding sleeve
Cylinder 3-5 is connect with injection liquid overflowing device 3-6;Spray one-way valve seat 3-1 and spool sliding sleeve 3-5 bonding, injection nonreturn valve core
The left end 3-3 is equipped with to be formed between anti-wear valve core cap 3-2, injection nonreturn valve core 3-3 and injection liquid overflowing device 3-6 by screw and be sealed
Space is closed, is equipped with reset spring 3-4 in injection nonreturn valve core 3-3;
The drilling pipe is to be connect by drilling pipe integrated base 4-1 with injection liquid overflowing device 3-6 with waterpower windowing/broken rock drilling head module 4;It bores
More level-one diverter drilling pipe 4-2 and more second level diverter drilling pipe 4-3 are welded on pipe integrated base 4-1;End is welded with water
Power windowing/broken rock drill bit 4-4, the waterpower windowing/broken rock drill bit 4-4 is by bushing 4-4-1, impeller inducer 4-4-2, nozzle 4-4-
3 are constituted, referring to attached drawing 11;
The drilling pipe diverter module 6 is made of level-one diverter, second level diverter.
Referring to attached drawing 2 and 3, wiper block, wiper block are bonded with internal surface of sleeve pipe with there are six on centralizer 1-2 of the invention,
Guarantee in package unit operation process, device and casing almost coaxial.
Referring to attached drawing 4, multi-layer precise strainer 2-1 is installed on seal box 2-2 of the invention;It is installed on transition pipe nipple 2-4
There are Throttle needle valve 2-5, fixed point injection control valve 2-6, drilling pipe recycling check valve 2-10.
Fixed point injection control valve 2-6, institute are equipped with referring to attached drawing 8-9, between left chamber 2-3 and right chamber 2-7 of the invention
State fixed point injection control valve 2-6 be by spray surely spool 2-6-1, surely spray spring 2-6-2, surely spray spring base 2-6-3 constitute;It is wherein fixed
Liquid flow-conveying groove there are six being opened on spray spool 2-6-1 and spray spring base 2-6-3 surely, and the latter corresponds to each flow-conveying groove, also opens
There are six flowing holes.
Referring to attached drawing 10, drilling pipe recycling of the invention is by recycling spring base 2-10-1, recycling spring with check valve 2-10
2-10-2, recycling spool 2-10-3, recycling rubber valve seat 2-10-4, recycling spool jackscrew 2-10-5 are constituted;Recycle spool 2-10-
Flowing hole there are four being opened on 3;Recycle spool jackscrew 2-10-5 adjustable recycling spool 2-10-3 and recycling rubber valve seat 2-10-4
Fitting compactness, so as to rubber valve seat occur abrasion after compensate.
Referring to attached drawing 6-7, four level-one diverter drilling pipe 4-2 and four are welded on drilling pipe integrated base 4-1 of the invention
Second level diverter drilling pipe 4-3.
Referring to attached drawing 12, the second level diverter of drilling pipe diverter module 6 of the invention is led by annular space flowing hole 6-1, drilling pipe
Leading cone 6-2, track 6-3 composition is turned to, is machined with six protrusions on the shell of second level diverter, plays centralizing function;Turn to track
6-3 tilts arrangement on diverter 6, and turns to the longitudal section of the track 6-3 not axis co-planar with diverter 6.
A kind of drilling pipe recoverable abradant jet fishbone well that the present invention mentions bores the application method of completion system, with set
For pipe well operation, the specifically used method of fish-bone thorn device is further illustrated:
After oil pipe concatenation, connect with the tubing coupling 1-1 on fish-bone thorn device, enter well, down toward to work layer position, downhole fluid by
Eyelet on fish-bone thorn device box cupling 1-3 enters in left chamber 2-3 by three layers of precision strainer 2-1.
1. casing waterpower windowing task, specific embodiment are as follows: the high-pressure abrasive material slurry that ground is pumped into passes through central tube
2-9 generates pressure to injection nonreturn valve core 3-3, and reset spring 3-4 is caused to compress, injection nonreturn valve core 3-3 and injection check valve
Seat 3-1 separation, high-pressure abrasive material slurry enters injection liquid overflowing device 3-6 by the duct of injection nonreturn valve core 3-3, and then enters four
Root level-one diverter drilling pipe (4-2) and four second level diverter drilling pipes (4-3), are delivered to waterpower windowing/broken rock drill bit 4-4, high
Pressure abrasive material slurry flows through high speed rotation after impeller inducer 4-4-2, and is modulated by nozzle 4-4-3 and form high speed rotation abradant jet pair
Casing opens a window, since reset spring 3-4 is mounted on injection nonreturn valve core 3-3 and sprays the closing of liquid overflowing device 3-6 formation
It in space, therefore sprays after nonreturn valve core 3-3 is opened and will remain static, be not in " open-close " movement repeatedly, and multiple
Position spring 3-4 is not influenced by abrasive material, avoids the occurrence of stuck phenomenon, and bit pressuredrop is P1 at this time;High-pressure abrasive material slurry acts on water
On power windowing/broken rock drill bit 4-4, to waterpower drill bit, four level-one diverter drilling pipes (4-2) and four second level diverter drilling pipes
(4-3) until central tube 2-9 generates pulling force, central tube 2-9 has the tendency that moving right, but the pulling force that bit pressuredrop P1 is generated is not
It is enough to cause fixed spray spring 2-6-2 compression, therefore, it is impossible to fixed spray spool 2-6-1 is opened, meanwhile, drilling pipe recycling check valve 2-
10, by continuous from left to right, are in close state always, and therefore, the liquid within left chamber 2-3 will not enter the right side
Chamber 2-7, therefore, central tube 2-9, four level-one diverter drilling pipes (4-2) and four second level diverter drilling pipes (4-3) and water
Power windowing/broken rock drill bit 4-4 will not be moved, to realize fixed point injection sheath windowing task.
2. hydraulic drilling drilling operation, specific embodiment are as follows: reach after a certain period of time, casing sidetracking operation terminates,
Ground pump pressure is improved, bit pressuredrop is P2(P2 > P1);Under bit pressuredrop P2 state, waterpower windowing/broken rock drill bit 4-4 is generated
Pulling force be greater than surely spray spring 2-6-2 installation pre-compression force, surely spray check valve 2-6-1 open, fluid from left chamber 2-3 pass through
Throttle needle valve 2-5, surely spray check valve 2-6-1 enter right chamber 2-7 with the flow-conveying groove on spray spring base 2-6-3 surely, thus center
Pipe 2-9, level-one diverter drilling pipe (4-2) and second level diverter drilling pipe (4-3), waterpower windowing/broken rock drill bit 4-4 are slowly moved;
Level-one diverter drilling pipe (4-2) and second level diverter drilling pipe (4-3) and waterpower windowing/broken rock drill bit 4-4 are along diverter module 5
It is gradually stretched out with the steering track on 6, waterpower windowing/broken rock drill bit 4-4 forms rotary abrasive jet and carries out broken rock drilling;Broken rock
Rate of penetration is controlled and is adjusted by Throttle needle valve 2-5, and Throttle needle valve 2-5 is closed on transition pipe nipple 2-4 by screw thread fine jade, works as needs
When slowing down broken rock rate of penetration, Throttle needle valve 2-5 fine jade is entered, then the area of passage between Throttle needle valve 2-5 and flowing hole is reduced,
Fluid reduces from the specific discharge that left chamber 2-3 enters right chamber 2-7, and broken rock rate of penetration reduces;If you need to accelerate broken rock drilling
Speed then goes out Throttle needle valve 2-5 fine jade, increases area of passage.
3. drilling pipe recycles operation, specific embodiment are as follows: level-one diverter drilling pipe (4-2) and second level diverter drilling pipe
After (4-3) all protrudes into stratum, broken rock drilling operation terminates, and ground stops filling abrasive material, continues to spray with clear water (or drilling fluid)
A period of time is penetrated, abrasive material inside fish-bone thorn device is rinsed well, then face-pumping is shut down, and reset spring 3-4 will spray unidirectionally
Spool 3-3 rebounds, and anti-wear valve core cap 3-2 is bonded with injection one-way valve seat 3-1, blocked center pipe 2-9 runner.In fish-bone thorn device
Annular space between casing is suppressed, and fluid passes through between annular space flowing hole 6-1, steering track and the drilling pipe on second level diverter 6
Annular space and fish-bone thorn device box cupling 1-3 on eyelet enter inside fish-bone thorn device.From annular space flowing hole 6-1, turn to rail
Annular space between road and drilling pipe enters the fluid matasomatism inside fish-bone thorn device at left and right sides of injection nonreturn valve core 3-3 and bores
On the right side of pipe integrated base 4-1, since the forced area on the right side of injection nonreturn valve core 3-3 is greater than left side, spray nonreturn valve core 3-
3 can be constantly in closed state, and fluid is F1 to the thrust of nonreturn valve core 3-3 and drilling pipe integrated base 4-1 at this time.It is filled from fish bony spur
The eyelet on box cupling 1-3 is set to enter the fluid matasomatism inside fish-bone thorn device (position is in right chamber at this on the left of central tube 2-9
In the 2-7 of room), fluid is F2 to the thrust of central tube 2-9 at this time, since the active area of F1 is greater than the active area of F2,
F1 > F2, so spool sliding sleeve 3-5 and central tube 2-9 can be pushed to move, the fluid in right chamber 2-7 is returned by drilling pipe
Receipts check valve 2-10 enters in left chamber 2-3, and is discharged by the eyelet on fish-bone thorn device box cupling 1-3, that is, actual job mistake
Cheng Zhong, fluid can only be discharged from left chamber 2-3, and cannot be introduced into wherein, thus by level-one diverter drilling pipe (4-2) and second level
Diverter drilling pipe (4-3) retracts inside fish-bone thorn device.
After above-mentioned operation, can fish-bone thorn device be promoted or be transferred to next work layer position, repeat above procedure.
The above, is only part preferred embodiment of the invention, and anyone skilled in the art may benefit
Equivalent technical solution is modified or is revised as with the technical solution of above-mentioned elaboration.Therefore, technology according to the present invention
Any simple modification or substitute equivalents that scheme is carried out, belong to the greatest extent the scope of protection of present invention.
Claims (7)
1. a kind of drilling pipe recoverable abradant jet fishbone well bores completion system, it is characterized in that: including connection and righting module
(1), drilling pipe rate of penetration control module (2), the unidirectional valve module (3) of injection, drilling pipe and waterpower windowing/broken rock drilling head module (4),
Drilling pipe diverter module (6), fish-bone thorn device target seeker (7),
The connection and righting module (1) are by tubing coupling (1-1) and centralizer (1-2) and fish-bone thorn device box cupling (1-
3) it forms, the tubing coupling left end (1-1) is used for connected pipes, so as to will be in package unit lower going-into-well;Fish-bone thorn device box cupling (1-
3) a whole set of fish-bone thorn device is connect by centralizer (1-2) with tubing coupling (1-1);
The drilling pipe rate of penetration control module (2) is by fish-bone thorn device box cupling (1-3) and transition pipe nipple (2-4) and fish-bone
Thorn device shell (2-8) connection, seal box (2-2), transition pipe nipple (2-4), central tube (2-9) form left chamber (2-3), simultaneously
Transition pipe nipple (2-4) and central tube (2-9) form right chamber (2-7);
The unidirectional valve module (3) of injection is connect by bolt with spool sliding sleeve (3-5) by central tube (2-9);Spool
Sliding sleeve (3-5) is connect with injection liquid overflowing device (3-6);It is viscous to spray one-way valve seat (3-1) and spool sliding sleeve (3-5)
It closes, the injection nonreturn valve core left end (3-3) is equipped with anti-wear valve core cap (3-2), injection nonreturn valve core (3-3) by screw and sprays
Enclosure space is formed between liquid overflowing device (3-6);
The drilling pipe and waterpower windowing/broken rock drilling head module (4) are by drilling pipe integrated base (4-1) and injection liquid overflowing device (3-6)
Connection;More level-one diverter drilling pipes (4-2) and more second level diverter drilling pipes (4-3) are welded on drilling pipe integrated base (4-1);
End is welded with waterpower windowing/broken rock drill bit (4-4);
The drilling pipe diverter module (6) is made of level-one diverter, second level diverter.
2. drilling pipe recoverable abradant jet fishbone well according to claim 1 bores completion system, it is characterized in that: described
Centralizer (1-2) on band there are six wiper block, wiper block be bonded with internal surface of sleeve pipe, in guarantee package unit operation process, is filled
It sets and casing almost coaxial.
3. drilling pipe recoverable abradant jet fishbone well according to claim 1 bores completion system, it is characterized in that: described
Multi-layer precise strainer (2-1) is installed on seal box (2-2);Throttle needle valve (2-5), fixed point are installed on transition pipe nipple (2-4)
Check valve (2-10) is used in injection control valve (2-6), drilling pipe recycling.
4. drilling pipe recoverable abradant jet fishbone well according to claim 1 bores completion system, it is characterized in that: described
Fixed point injection control valve (2-6) is equipped between left chamber (2-3) and right chamber (2-7), the fixed point injection control valve (2-6) is
By spray surely spool (2-6-1), surely spray spring (2-6-2), surely spray spring base (2-6-3) constitute;Wherein surely spray spool (2-6-1) with
Surely spray and opened on spring base (2-6-3) there are six liquid flow-conveying groove, and the latter correspond to each flow-conveying groove, also open there are six overcurrent
Hole.
5. drilling pipe recoverable abradant jet fishbone well according to claim 3 bores completion system, it is characterized in that: described
Drilling pipe recycling is by recycling spring base (2-10-1), recycling spring (2-10-2), recycling spool (2-10- with check valve (2-10)
3) rubber valve seat (2-10-4), is recycled, recycling spool jackscrew (2-10-5) is constituted;Mistake there are four being opened in recycling spool (2-10-3)
Discharge orifice;Adjustable recycling spool (2-10-3) of recycling spool jackscrew (2-10-5) and being bonded for recycling rubber valve seat (2-10-4) are tight
Close property compensates after there is abrasion so as to rubber valve seat.
6. drilling pipe recoverable abradant jet fishbone well according to claim 1 bores completion system, it is characterized in that: described
Four level-one diverter drilling pipes (4-2) and four second level diverter drilling pipes (4-3) are welded on drilling pipe integrated base (4-1).
7. drilling pipe recoverable abradant jet fishbone well according to claim 1 bores completion system, it is characterized in that: described
The second level diverter of drilling pipe diverter module (6) is by annular space flowing hole (6-1), drilling pipe guide cone (6-2), steering track (6-3)
It constitutes, is machined with six protrusions on the shell of second level diverter, play centralizing function;Track (6-3) is turned in diverter (6) updip
Tiltedly arrangement, and turn to the not no axis co-planar with diverter (6) of longitudal section of track (6-3).
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CN110056333A (en) * | 2019-03-22 | 2019-07-26 | 中国石油大学(华东) | Hydraulic directional abrasive perforating and slot integrated apparatus and its application method |
CN110541673A (en) * | 2019-09-24 | 2019-12-06 | 重庆科技学院 | Releasable multi-branch fishbone drilling connecting tool |
CN110952927A (en) * | 2019-12-16 | 2020-04-03 | 中国石油大学(华东) | Double-pipe type high-pressure abrasive jet horizontal drilling device |
CN112282720A (en) * | 2020-11-19 | 2021-01-29 | 广州海洋地质调查局 | On-site construction method of fishbone well and corresponding matched equipment |
CN113530446A (en) * | 2020-04-15 | 2021-10-22 | 中国石油化工股份有限公司 | Drill pipe recovery device and drilling device of fishbone well |
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CN110056333A (en) * | 2019-03-22 | 2019-07-26 | 中国石油大学(华东) | Hydraulic directional abrasive perforating and slot integrated apparatus and its application method |
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CN113530446A (en) * | 2020-04-15 | 2021-10-22 | 中国石油化工股份有限公司 | Drill pipe recovery device and drilling device of fishbone well |
CN112282720A (en) * | 2020-11-19 | 2021-01-29 | 广州海洋地质调查局 | On-site construction method of fishbone well and corresponding matched equipment |
CN112282720B (en) * | 2020-11-19 | 2023-11-10 | 广州海洋地质调查局 | Site construction method of fishbone well and corresponding matched equipment |
CN117307156A (en) * | 2023-11-28 | 2023-12-29 | 中煤科工开采研究院有限公司 | Dual high pressure jet and method of use |
CN117307156B (en) * | 2023-11-28 | 2024-04-09 | 中煤科工开采研究院有限公司 | Dual high pressure jet and method of use |
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