CN107100574A - A kind of integral type sidetracking window opening tool assembly - Google Patents
A kind of integral type sidetracking window opening tool assembly Download PDFInfo
- Publication number
- CN107100574A CN107100574A CN201710326127.6A CN201710326127A CN107100574A CN 107100574 A CN107100574 A CN 107100574A CN 201710326127 A CN201710326127 A CN 201710326127A CN 107100574 A CN107100574 A CN 107100574A
- Authority
- CN
- China
- Prior art keywords
- whipstocks
- hinge
- folding face
- pipe nipple
- many folding
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
Abstract
The invention discloses a kind of integral type sidetracking window opening tool assembly, including tripping in instrument, three-stage milling cone, many folding face whipstocks, hinge pipe nipple and the anchor being from top to bottom sequentially connected；The running instrument is connected by screw thread with the three-stage milling cone, the three-stage milling cone is connected by shear pin with many folding face whipstocks, many folding face whipstocks pin that is connected through the hinge is connected with the hinge pipe nipple, and the hinge pipe nipple is connected by screw thread with the anchor；Also include pressure transmission system, the pressure transmission system is arranged in the chase at many folding face whipstock back sides, the upper end of the pressure transmission system is connected by screw thread with the nose cone nozzle bore of the three-stage milling cone, and lower end is connected by screw thread with the hydraulic cavities in the hinge pipe nipple lower end.The present invention, which is realized, only needs time brill of tripping in complete window sidetracking operation, overcomes existing conventional sidetracking operation more based on boring twice, the problem of operation consumes the plenty of time.
Description
Technical field
The present invention relates to oil field drilling completion technique field, the more particularly to a kind of and matching used structure of oil drill rocker instrument
Simply, it is easy to operation and safe and reliable integral type sidetracking window opening tool assembly.
Background technology
Developed with the long-time of oil gas field, substantial amounts of old well needs window sidetracking to improve recovery ratio, particularly in recent years
The Multilateral Wells technology of rise provides new effective ways for old well production potential tapping synergy, the technology by main borehole sidetracking it is some
Multilateral Wells, increase and the contact area of oil reservoir, improve oil well output, small investment, instant effect.
And conventional whipstock is often complicated, reliability is low.It is many to be built the pressure using pitching or the shearing of put-on and delegated tubing string
Feeding pin makes running tool depart from whipstock, after running tool returns to ground, and tripping in drill bit carries out window sidetracking again
Operation.It can be seen that, conventional sidetracking operation is more based on boring twice, and whipstock guiding incline majority only has an angle, opens
Window whole efficiency is relatively low.
The content of the invention
The purpose of the present invention is to overcome of the prior art not enough there is provided a kind of integral type sidetracking window opening tool assembly, real
Having showed only needs time brill of tripping in complete window sidetracking operation, overcomes existing conventional sidetracking operation and is to bore twice more
It is main, the problem of operation consumes the plenty of time.
The technical solution adopted in the present invention is a kind of integral type sidetracking window opening tool assembly, including is from top to bottom connected successively
Tripping in instrument, three-stage milling cone, many folding face whipstocks, hinge pipe nipple and the anchor connect；The running instrument by screw thread with
The three-stage milling cone is connected, and the three-stage milling cone is connected by shear pin with many folding face whipstocks, described
Many folding face whipstocks pin that is connected through the hinge is connected with the hinge pipe nipple, and the hinge pipe nipple passes through screw thread and the anchor
Determine device to be connected；Also include pressure transmission system, the pressure transmission system is arranged in the chase at many folding face whipstock back sides, institute
The upper end for stating pressure transmission system is connected by screw thread with the nose cone nozzle bore of the three-stage milling cone, lower end by screw thread with it is described
Hydraulic cavities in hinge pipe nipple lower end are connected.
Axial movement filter is provided with the running instrument.
The axial movement filter includes the piston being in contact with the running instrument inwall, and is arranged on the work
Bar at the top of plug.
The three-stage milling cone includes milling cone body, and the upper end of the milling cone body passes through screw thread and the running instrument phase
Connection；The central ports of milling cone body described in the milling cone chamber body formation insertion；The end of the milling cone body is connected with
The nose cone of drill-bit type structure, middle and lower part is provided with the plug tap of watermelon milling structure, and top is provided with the third hand tap of helical milling structure；It is described
Nose cone inner chamber forms central ports, the central ports lower end closed in the nose cone, nose cone described in the insertion of upper end and with the milling
Intrinsic central ports are bored to be connected；The nozzle being connected with the central ports in the nose cone is provided with the nose cone
Hole.
By positioning shear pin described in pin connection in the nose cone of the three-stage milling cone, and by the shear pin with
Many folding face whipstocks are connected.
The front of many folding face whipstocks is from top to bottom successively by the first inclined-plane, the second inclined-plane, the 3rd inclined-plane, the 4th oblique
Face, the 5th inclined-plane, the 6th inclined-plane and vertical guide composition；The head end of many folding face whipstocks, the position positioned at first inclined-plane
Put the shear pin for being provided for being connected with the nose cone of the three-stage milling cone；The upper end of many folding face whipstocks
The back side, the upper end position positioned at second inclined-plane are provided with and drag for hook；The end of many folding face whipstocks be set to it is described
Hinge pipe nipple middle single shoulder structure in mating connection.
The central axial of hinge pipe nipple is provided with centre bore；The upper end of the hinge pipe nipple is provided for and institute
State many folding face whipstocks both sides both shoulders structure in mating connection；The bottom of the hinge pipe nipple, in the centre bore
Hydraulic cavities are provided with, the hydraulic cavities connect with the anchor and are tightly connected by screw thread with the anchor.
It is middle single by what is matched between the bottom of many folding face whipstocks and the upper end of the hinge pipe nipple
Shoulder structure and both sides both shoulders structure are connected with each other, and be connected through the hinge pin will many folding face whipstocks middle single shoulder knots
Structure be fixedly connected with the both sides both shoulders structure of the hinge pipe nipple with realize many folding face whipstocks and the hinge pipe nipple it
Between interconnection.
Side in the middle part of the hinge connection pin opens up fluted；In the middle single shoulder structure of many folding face whipstocks
It is provided with the anti-rotation pin that bottom is inserted in the groove；In the both sides both shoulders structure of the hinge pipe nipple, positioned at the hinge
The both sides of chain connecting pin are provided with the elastic cylindrical pin for preventing that the hinge connection pin from sliding after being broken；Many folding faces are oblique
To device middle single shoulder structure and the hinge pipe nipple both sides both shoulders structure on be equipped with jointly and prevent that many folding faces are oblique
The transport pin that device is rotated with the hinge pipe nipple.
The pressure transmission system include by set that the flexible pipe conversion head being fixed on many folding face whipstocks is connected the
One flexible pipe and the second flexible pipe, the upper end of first flexible pipe pass through hose coupling and the nose cone nozzle bore spiral shell of the three-stage milling cone
Line is connected, and the lower end of second flexible pipe is threadedly coupled by hose coupling with the hydraulic cavities in the hinge pipe nipple lower end.
The beneficial effects of the invention are as follows：
1st, in the present invention, axial movement filter is provided with, using piston structure, structure phase is set with traditional pitching
Than with simple in construction, safe and reliable, the advantage for the pressure controllable that builds the pressure.
2nd, in the present invention, the milling cone of setting uses three-stage milling cone for monoblock type, simple in construction；The two of three-stage milling cone
Cone, third hand tap wing width are 16-18mm, have both ensured that wing intensity in turn ensure that width of flow path at wing so that be difficult at wing
Blocked by iron filings；1#, 4#, 6#, 8#, 9# wing in the nose cone of three-stage milling cone is designed using double rows of teeth, enhances PDC teeth
Chip sleeve pipe ability.
3rd, in the present invention, the whipstock of setting is using many folding face whipstocks, windowing efficiency high, windowing regular shape.
4th, in the present invention, hinge pipe nipple is provided with, many folding face whipstocks are flexible connection with hinge pipe nipple, it is ensured that instrument is total
Passed through into when by big bent angle well section, prevent instrument bit freezing or because of going out the problems such as deforming excessive be broken
It is existing.It is provided with anti-rotation pin and elastic cylindrical pin simultaneously so that hinge pipe nipple structure is relatively reliable in underground work, transport pin
Nail ensures that many folding face whipstocks in transit, will not rotate with hinge pipe nipple, it is ensured that transportation safety requirement, is entering well
Before, transport pin need to be pulled down.
5th, in the present invention, pressure transmission system is arranged in many folding face whipstock back side grooves, is prevented during tripping in, flexible pipe connects
The borehole wall is touched, causes flexible pipe to be broken, it is safe and reliable.
6th, in the present invention, tripping in instrument is connected by screw thread with three-stage milling cone, and three-stage milling cone passes through shear pin
It is connected with many folding face whipstocks, many folding face whipstocks pin that is connected through the hinge is connected with hinge pipe nipple, and hinge pipe nipple is logical
Cross screw thread with anchor to be connected, to constitute the integral structure of inventive article assembly, it is only necessary to which turn on pump circulating fluid is suppressed
Pressure can be achieved with setting and give up, easy to operate, safe and reliable.
Brief description of the drawings
Fig. 1：Overall structure diagram of the present invention；Wherein
Fig. 1-a：First half structural representation of the present invention；
Fig. 1-b：Lower half structural representation of the present invention：
Fig. 2：Present invention axial movement filter apparatus configuration schematic diagram；
Fig. 3：Three-stage milling cone cross-sectional view of the present invention；
Fig. 4：Fig. 3 of the present invention present invention looks up structural representation；
Fig. 5：Three-stage milling cone of the present invention and many folding face whipstock attachment structure schematic diagrams；
Fig. 6：Three-stage milling cone plug tap positive structure diagram of the present invention；
Fig. 7：Fig. 3 of the present invention A-A cross-sectional views；
Fig. 8：Three-stage milling cone third hand tap positive structure diagram of the present invention；
Fig. 9：Fig. 3 of the present invention B-B cross-sectional views；
Figure 10：Many folding face whipstocks of the invention and hinge pipe nipple positive structure diagram；
Figure 11：Many folding face whipstock top cross section structure diagrams of the invention；
Figure 12：Many folding face whipstock bottoms of the invention and hinge pipe nipple connection cross section structure diagram；
Figure 13：Many folding face whipstock bottoms of the invention and hinge pipe nipple connection positive structure diagram；
Figure 14：Figure 12 of the present invention C-C cross-sectional views.
Accompanying drawing is marked：1st, tripping in instrument；2nd, filter is moved axially；3rd, three-stage milling cone；4th, third hand tap；5th, plug tap；6、
Nose cone；7th, many folding face whipstocks；8th, hinge pipe nipple；9th, anchor；10th, slips；11st, cone；12nd, bar；13rd, piston；14、PDC
Tooth；15th, milling cone body；16th, central ports；17th, nozzle bore；18th, central ports；19th, alignment pin；20th, shear pin；21st, knife
The wing；22nd, broken alloy；23rd, wing；24th, broken alloy；25th, the first inclined-plane；26th, the second inclined-plane；27th, the 3rd inclined-plane；28th, the 4th is oblique
Face；29th, the 5th inclined-plane；30th, the 6th inclined-plane；31st, vertical guide；32nd, hook is dragged for；33rd, fastening bolt；34th, flexible pipe conversion head；35th, turn
Change a fixed block；36th, pin is transported；37th, check pin；38th, anti-rotation pin；39th, hinge connection pin；40th, split pin；41；
Hydraulic cavities；42nd, elastic cylindrical pin；43rd, the second flexible pipe；44th, middle single shoulder structure；45th, both sides both shoulders structure.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in accompanying drawing 1 to Figure 14, a kind of integral type sidetracking window opening tool assembly, including be from top to bottom sequentially connected down
Enter instrument 1, three-stage milling cone 3, many folding face whipstocks 7, hinge pipe nipple 8 and anchor 9；The running instrument 1 by screw thread with
The three-stage milling cone 3 is connected, and the three-stage milling cone 3 is connected by shear pin 20 with many folding face whipstocks 7,
Many folding face whipstocks 7 pin 39 that is connected through the hinge is connected with the hinge pipe nipple 8, and the hinge pipe nipple 8 passes through spiral shell
Line is connected with the anchor 9, to constitute the integral structure of inventive article assembly.
The top of the running instrument 1 is provided with API standard drilling rod button, the running instrument 1 and is provided with axial movement
Filter 2.Wherein, the axial movement filter 2 includes the piston 13 being in contact with the inwall of the running instrument 1, and
It is arranged on the bar 12 at the top of piston 13.The piston 13 can be moved up and down in tripping in instrument 1, promote liquid flowing,
So as to realize the control to anchor 9.
The three-stage milling cone 3 includes milling cone body 15, and the upper end of the milling cone body 15 passes through screw thread and the running
Instrument 1 is connected；The inner chamber of milling cone body 15 forms the central ports 16 of milling cone body 15 described in insertion.The milling cone body
15 end is connected with nose cone 6, and middle and lower part sets plug tap 5, and top is provided with third hand tap 4.As shown in Figure 8 and Figure 9, the third hand tap 4
For helical milling structure, it is integrated with the milling cone body 15.8 helical form cloth vertically are provided with the third hand tap 4
The wing 23 put；The width of wing 23 in the third hand tap 4 is 16-18mm, has both ensured that the intensity of wing 23 in turn ensure that wing 23
Locate to be difficult to be blocked by iron filings at width of flow path, wing 23；The broken alloy 24 of equal built-up welding on the wing 23 of the third hand tap 4, for milling
Window.As shown in Figure 6 and Figure 7, the plug tap 5 is watermelon milling structure, is integrated with the milling cone body 15.It is described
8 wings 21 that helical form is arranged vertically are provided with plug tap 5；The width of wing 21 on the plug tap 5 is 16-18mm,
Both ensured that the intensity of wing 21 in turn ensure that to be difficult to be blocked by iron filings at width of flow path at wing 21, wing 21；The knife of the plug tap 5
The equal broken alloy 22 of built-up welding on the wing 21, for milling window.As shown in Figure 4 and Figure 5, the nose cone 6 is drill-bit type structure, and institute
State and be connected through a screw thread between milling cone body 15 and be welded as a whole, the reduction windowing task of nose cone 6 falls well risk.The nose cone 6
Inner chamber forms central ports 18, the lower end closed of central ports 18 in the nose cone 6, nose cone 6 described in the insertion of upper end and with it is described
Central ports 16 in milling cone body 15 are connected；It is provided with and is connected with the central ports 18 in the nose cone 6 on the nose cone 6
Logical nozzle bore 17.10 wings are provided with the nose cone 6, it is respectively 1# wings, 2# wings, 3# knives clockwise to prolong
The wing, 4# wings, 5# wings, 6# wings, 7# wings, 8# wings, 9# wings and 10# wings, the 2# wings, 3# wings, 5# knives
Surface soldering on the wing, 7# wings and 10# wings has single PDC (Polycrystalline Diamond Compact, glomerocryst
Diamond compact) tooth 14, the 1# wings, 4# wings, 6# wings, the surface soldering of 8# wings and 9# wings have double PDC
Tooth 14.The shear pin 20 is connected by alignment pin 19 in the nose cone 6, and passes through the shear pin 20 and many foldings
Face whipstock 7 is connected, and the shear pin 20 is mainly used to limit the footpath between many folding face whipstocks 7 and three-stage milling cone 3
To displacement, also, above-mentioned connected mode is is flexible coupling, and the three-stage milling cone 3 can rotate necessarily relative to many folding face whipstocks 7
Angle.Three-stage milling cone 3 and many folding face whipstocks 7 are connected as a single entity, and such brill can be saved with tripping in whipstock and milling cone
A trip time has been saved, window sidetracking cost is substantially reduced.
The front of many folding face whipstocks 7 is from top to bottom successively by the first inclined-plane 25, the second inclined-plane 26, the 3rd inclined-plane
27th, the 4th inclined-plane 28, the 5th inclined-plane 29, the 6th inclined-plane 30 and vertical guide 31 are constituted, and the angle on above-mentioned six sections of inclined-planes, radian are not
It is identical；The back side of many folding face whipstocks 7 is provided with chase, and the upper end of the chase is located at following flexible pipe conversion heads 34
Position, lower end is through the lower surfaces of many folding face whipstocks 7.The head end of face whipstock 7 being rolled over described, positioned at described first more
The position on inclined-plane 25 is provided with the shear pin 20 being connected for the nose cone 6 with the three-stage milling cone 3.Many foldings
The upper end back side of face whipstock 7, the upper end position positioned at second inclined-plane 26, which are provided with, drags for hook 32, and the hook 32 that drags for leads to
The fastening bolt 33 is crossed to be fixed on many folding face whipstocks 7.In the upper end of many folding face whipstocks 7, positioned at institute
The lower end position for stating the second inclined-plane 26 is provided with flexible pipe conversion head 34, and the flexible pipe conversion head 34 is solid by conversion head fixed block 35
It is scheduled on many folding face whipstocks 7.The end of many folding face whipstocks 7 is set to and the company of being engaged of hinge pipe nipple 8
The middle single shoulder structure 44 connect.
The central axial of hinge pipe nipple 8 is provided with centre bore；The upper end of the hinge pipe nipple 8 be provided for
Many folding face whipstocks 7 both sides both shoulders structure 45 in mating connection；The bottom of the hinge pipe nipple 8, in described
Hydraulic cavities 41 are provided with heart hole.
Centre between the bottom of many folding face whipstocks 7 and the upper end of the hinge pipe nipple 8 by being engaged
Single shoulder structure 44 and both sides both shoulders structure 45 are connected with each other, and the pin 39 that is connected through the hinge rolls over face whipstocks 7 more by described
Middle single shoulder structure 44 is fixedly connected to realize many folding face whipstocks 7 with the both sides both shoulders structure 45 of the hinge pipe nipple 8
Interconnection between the hinge pipe nipple 8.The side at the middle part of hinge connection pin 39 opens up fluted；Many foldings
The anti-rotation pin 38 that bottom is inserted in the groove, the stop pin are provided with the middle single shoulder structure 44 of face whipstock 7
Nail 38 uses polished rod structure, to prevent the anti-rotation pin 38 from coming off, is fixed using threaded check pin 37.The hinge
In the both sides both shoulders structure 45 of pipe nipple 8, it is provided with positioned at the both sides of the hinge connection pin 39 and prevents the hinge connection pin
The elastic cylindrical pin 42 slid after the fracture of nail 39.The middle single shoulder structure 44 and the hinge pipe nipple 8 of many folding face whipstocks 7
Both sides both shoulders structure 45 on be equipped with the transport pin for preventing that many folding face whipstocks 7 from rotating with the hinge pipe nipple 8 jointly
Nail 36, the transport pin 36 is fixed using split pin 40；The transport pin 36 fixes many folding face whipstocks 7 and hinge pipe nipple
8, before instrument enters well, transport pin 36 is laid down.
The upper end of the anchor 9 and the hydraulic cavities 41 of the hinge pipe nipple 8 connect, and pass through thread seal between the two
Connection.The upper and lower both sides of the anchor 9 are respectively provided with one group of slips 10, and the surface of slips 10 is that graininess is raised and cooperating therewith
The inclined-plane of cone 11 be plane, by hydraulic base sealed mode, realize grappling function.
Integral type sidetracking window opening tool assembly of the present invention also includes pressure transmission system, and the pressure transmission system is arranged on many foldings
In the chase at the back side of face whipstock 7, the upper end of the pressure transmission system is sprayed by the nose cone 6 of screw thread and the three-stage milling cone 3
Nozzle aperture 17 is connected, and lower end is connected by screw thread with the hydraulic cavities 41 in the lower end of hinge pipe nipple 8.The pressure transmission system bag
Include the first flexible pipe and the second flexible pipe 43 being connected by the flexible pipe conversion head 34 being fixed on many folding face whipstocks 7, institute
The upper end for stating the first flexible pipe is threadedly coupled by hose coupling with the nozzle bore 17 of nose cone 6 of the three-stage milling cone 3, and described second
The lower end of flexible pipe 43 is threadedly coupled by hose coupling with the hydraulic cavities 41 in the lower end of hinge pipe nipple 8.
It is described to transport acting as pin 36 in the present invention：Integral type is lifted in transportation, under it is fashionable need not be
Well head is assembled, and saves the shaft mouth operation time.The shear pin 20 is act as：Connect three-stage milling cone 3 and many folding faces are oblique
The specified location in lower going-into-well in the lump of device 7, is reached after specified location, slush pump injects drilling fluid to build the pressure, and sets after anchor 9,
BHA is put to cut pin by putting on reciprocal, then carries out window sidetracking operation.The pressure transmission system is act as：
Slush pump is opened, drilling fluid is pumped, the fluid pressure of piston lower central hydrophthalmia rises, and pressure is soft by nozzle bore 17, hydraulic pressure
Pipe is delivered to anchor 9, realizes that anchor 9 is set.The nozzle bore 17 is act as：After the cutting of shear pin 20, pass through
Rotary tools are combined, and hydraulic tube is soft to be broken with the junction of nose cone 6, and nozzle bore 17 starts to spray drilling fluid, are rinsed nose cone 6 and are ground
The chip produced during milling sleeve pipe.
The present invention operation principle be：Referring to Fig. 1, the top button-type of tripping in instrument 1 of the present invention is API standard drilling rod
Button, is so easy to the connection with live general drill pipe tool.During operation, the present invention is transferred to specified location with operation drilling rod, is opened
Pump circulation drilling fluid, pressure enters the central ports 16 of three-stage milling cone 3 by running tool centre bore, passes through the nozzle of nose cone 6
Hole 17 enters many folding pressure transmission systems of face whipstock 7, and then utilizes hydraulic pressure to anchor 9 by hinge short circuit centre bore pressure transmission
The mode of setting opens the slips 10 of anchor 9 to realize grappling function.Then, push under drilling rod to certain pressure, shear pin 20
Cut short, in the presence of the three-stage milling cone 3 in free state drives on top, carry out sidetracking along many folding face whipstock 7 inclined-planes and open
Window operation.
Integral type sidetracking window opening tool assembly of the present invention is compared with current like product with the windowing time is short, window quality
The multiple advantages such as good, applicability is high, safe and reliable, are worth popularization and application at the scene.
Claims (10)
1. a kind of integral type sidetracking window opening tool assembly, it is characterised in that including be from top to bottom sequentially connected tripping in instrument, three
Segmentation milling cone, many folding face whipstocks, hinge pipe nipple and anchor；The running instrument passes through screw thread and the three-stage milling cone phase
Connection, the three-stage milling cone is connected by shear pin with many folding face whipstocks, and many folding face whipstocks pass through
Hinge connection pin is connected with the hinge pipe nipple, and the hinge pipe nipple is connected by screw thread with the anchor；
Also include pressure transmission system, the pressure transmission system is arranged in the chase at many folding face whipstock back sides, the pressure transmission
The upper end of system is connected by screw thread with the nose cone nozzle bore of the three-stage milling cone, and lower end is short by screw thread and the hinge
Hydraulic cavities in section lower end are connected.
2. integral type sidetracking window opening tool assembly according to claim 1, it is characterised in that set in the running instrument
There is axial movement filter.
3. integral type sidetracking window opening tool assembly according to claim 2, it is characterised in that the axial movement filtering dress
The piston including being in contact with the running instrument inwall is put, and is arranged on the bar of the top land.
4. integral type sidetracking window opening tool assembly according to claim 1, it is characterised in that the three-stage milling cone includes
Milling cone body, the upper end of the milling cone body is connected by screw thread with the running instrument；The milling cone chamber body is formed
The central ports of milling cone body described in insertion；The end of the milling cone body is connected with the nose cone of drill-bit type structure, and middle and lower part is set
The plug tap of watermelon milling structure is equipped with, top is provided with the third hand tap of helical milling structure；The nose cone inner chamber forms central ports, described
Central ports lower end closed in nose cone, nose cone described in the insertion of upper end is simultaneously connected with the intrinsic central ports of the milling cone；
The nozzle bore being connected with the central ports in the nose cone is provided with the nose cone.
5. integral type sidetracking window opening tool assembly according to claim 1, it is characterised in that the head of the three-stage milling cone
By positioning shear pin described in pin connection in cone, and it is connected by the shear pin with many folding face whipstocks.
6. integral type sidetracking window opening tool assembly according to claim 1, it is characterised in that many folding face whipstocks
Front is from top to bottom successively by the first inclined-plane, the second inclined-plane, the 3rd inclined-plane, the 4th inclined-plane, the 5th inclined-plane, the 6th inclined-plane and vertical
Face is constituted；Roll over the head end of face whipstock more described, be provided for and the three-stage milling cone positioned at the position on first inclined-plane
The shear pin that is connected of nose cone；The upper end back side of face whipstock being rolled over described, positioned at the upper of second inclined-plane more
End position, which is provided with, drags for hook；The end of many folding face whipstocks is set to the middle list in mating connection with the hinge pipe nipple
Shoulder structure.
7. integral type sidetracking window opening tool assembly according to claim 1, it is characterised in that the center of the hinge pipe nipple
It is axially arranged to have centre bore；The upper end of the hinge pipe nipple is provided in mating connection with many folding face whipstocks
Both sides both shoulders structure；The bottom of the hinge pipe nipple, hydraulic cavities, the hydraulic cavities and institute are provided with the centre bore
Anchor is stated to connect and be tightly connected with the anchor by screw thread.
8. integral type sidetracking window opening tool assembly according to claim 1, it is characterised in that many folding face whipstocks
Mutually interconnected with both sides both shoulders structure by the middle single shoulder structure matched between bottom and the upper end of the hinge pipe nipple
Connect, and be connected through the hinge pin will many folding face whipstocks middle single shoulder structures and the both sides both shoulders of the hinge pipe nipple
Structure is fixedly connected to realize the interconnection between many folding face whipstocks and the hinge pipe nipple.
9. integral type sidetracking window opening tool assembly according to claim 8, it is characterised in that in the hinge connection pin
The side in portion opens up fluted；Bottom is provided with the middle single shoulder structure of many folding face whipstocks to insert in the groove
Anti-rotation pin；In the both sides both shoulders structure of the hinge pipe nipple, it is provided with and prevents positioned at the both sides of the hinge connection pin
The elastic cylindrical pin slid after the hinge connection pin fracture；The middle single shoulder structure and the hinge of many folding face whipstocks
The transport for preventing that many folding face whipstocks from rotating with the hinge pipe nipple is equipped with the both sides both shoulders structure of chain pipe nipple jointly
Pin.
10. integral type sidetracking window opening tool assembly according to claim 1, it is characterised in that the pressure transmission system includes
By setting the first flexible pipe and the second flexible pipe that the flexible pipe conversion head being fixed on many folding face whipstocks is connected, described first
The upper end of flexible pipe is threadedly coupled by hose coupling with the nose cone nozzle bore of the three-stage milling cone, the lower end of second flexible pipe
It is threadedly coupled by hose coupling with the hydraulic cavities in the hinge pipe nipple lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710326127.6A CN107100574A (en) | 2017-05-10 | 2017-05-10 | A kind of integral type sidetracking window opening tool assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710326127.6A CN107100574A (en) | 2017-05-10 | 2017-05-10 | A kind of integral type sidetracking window opening tool assembly |
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| CN107100574A true CN107100574A (en) | 2017-08-29 |
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| CN201710326127.6A Pending CN107100574A (en) | 2017-05-10 | 2017-05-10 | A kind of integral type sidetracking window opening tool assembly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575179A (en) * | 2017-10-19 | 2018-01-12 | 中国海洋石油总公司 | More inclined-plane window sidetracking whipstock assemblies |
| CN107740678A (en) * | 2017-10-16 | 2018-02-27 | 东北石油大学 | Casing window sidetracking well rolls over face whipstock design method more |
| CN111255402A (en) * | 2020-03-12 | 2020-06-09 | 西南石油大学 | Integrated nondestructive windowing sidetrack drilling tool assembly |
| CN111749636A (en) * | 2020-07-09 | 2020-10-09 | 合力（天津）能源科技股份有限公司 | Multi-layer casing windowing mill shoe |
| WO2023009729A1 (en) * | 2021-07-28 | 2023-02-02 | Saudi Arabian Oil Company | Whipstock retrieving bit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107740678A (en) * | 2017-10-16 | 2018-02-27 | 东北石油大学 | Casing window sidetracking well rolls over face whipstock design method more |
| CN107575179A (en) * | 2017-10-19 | 2018-01-12 | 中国海洋石油总公司 | More inclined-plane window sidetracking whipstock assemblies |
| CN111255402A (en) * | 2020-03-12 | 2020-06-09 | 西南石油大学 | Integrated nondestructive windowing sidetrack drilling tool assembly |
| CN111255402B (en) * | 2020-03-12 | 2021-08-10 | 西南石油大学 | Integrated nondestructive windowing sidetrack drilling tool assembly |
| CN111749636A (en) * | 2020-07-09 | 2020-10-09 | 合力（天津）能源科技股份有限公司 | Multi-layer casing windowing mill shoe |
| WO2023009729A1 (en) * | 2021-07-28 | 2023-02-02 | Saudi Arabian Oil Company | Whipstock retrieving bit |
| US20230036409A1 (en) | 2021-07-28 | 2023-02-02 | Aramco Overseas Company Uk Ltd | Whipstock retrieving bit |
| US11746611B2 (en) | 2021-07-28 | 2023-09-05 | Saudi Arabian Oil Company | Whipstock retrieving bit |
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