CN207144896U - Plugging while drilling short-circuit device - Google Patents
Plugging while drilling short-circuit device Download PDFInfo
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- CN207144896U CN207144896U CN201720843761.2U CN201720843761U CN207144896U CN 207144896 U CN207144896 U CN 207144896U CN 201720843761 U CN201720843761 U CN 201720843761U CN 207144896 U CN207144896 U CN 207144896U
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Abstract
It the utility model is related to oil/gas drilling engineering plugging and cleaning well construction tool technical field, it is a kind of plugging while drilling short-circuit device, including outer barrel, lower contact, mandrel, sliding sleeve, upper helical teeth ring, upper spring, oblique ring gear and lower spring, the lower inside of outer barrel and the upper outside of lower contact are fixedly installed togather, mandrel is set with outer barrel, the lower outside of mandrel and the upper inner of lower contact are fixedly installed togather, and the upper outside of mandrel is set with the sliding sleeve that can be slid in outer barrel and along mandrel；Sliding sleeve includes upper joint sleeve, middle adapter sleeve and the lower joint sleeve being from top to bottom connected in turn.The utility model can enable the utility model be connected to the optional position of drilling tool in well by the setting of upper helical teeth ring and oblique ring gear, the operation of multiple different demands can be carried out by a pitching, it cannot be only used for carrying out plugging operations, it can be additionally used in the cleaning of the borehole wall, the effect that drilling fluid takes sand can be improved in heavy duty service.
Description
Technical field
Oil/gas drilling engineering plugging and cleaning well construction tool technical field are the utility model is related to, is a kind of stifled with boring
Leak short-circuit device.
Background technology
Can often run into leakage in oilfield drilling construction needs the construction of leak stopping, but because drilling tool water hole is too small, leak stopping
Material not easily passs through, and causes to usually require all to rise by the drilling tool in well, changes drilling tool and carry out plugging operations again later, so
The substantial amounts of time will be wasted, the best opportunity of leak stopping may be missed, influences whole wellbore construction.
The content of the invention
The utility model provides a kind of plugging while drilling short-circuit device, overcomes the deficiency of above-mentioned prior art, and it can have
Effect is solved to need all to rise by the drilling tool in well existing for existing plugging operations, and replacing drilling tool is carried out again later, expends the time,
Best opportunity of leak stopping is easily missed, the problem of influenceing whole wellbore construction.
The technical solution of the utility model is realized by following measures：A kind of plugging while drilling short-circuit device, including
Outer barrel, lower contact, mandrel, sliding sleeve, upper helical teeth ring, upper spring, oblique ring gear and lower spring, the lower inside of outer barrel and lower contact
Upper outside be fixedly installed togather, mandrel is set with outer barrel, the lower outside of mandrel and the upper inner of lower contact are consolidated
Dingan County is fitted together, and the upper outside of mandrel is set with the sliding sleeve that can be slid in outer barrel and along mandrel；Sliding sleeve is included by upper
The diameter of upper joint sleeve, middle adapter sleeve and the lower joint sleeve being connected in turn under, upper joint sleeve and lower joint sleeve is small
In the diameter of middle adapter sleeve, the upper inner of upper joint sleeve is provided with the ball seat land above mandrel, corresponds under ball seat land
Circumferentially there is at least one interior circulation port on the upper joint sleeve that orientation is put, in corresponding on the outer barrel of adapter sleeve position circumferentially
At least one outer circulation hole is distributed with, block is fixed with the outer barrel of corresponding lower joint sleeve medium position；The middle part of lower joint sleeve
Outer sheath is equipped with the upper helical teeth ring above block, and the bottom of upper helical teeth ring, which is provided with, can rotate relative to block and periodically produce
The upper ring gear of short essay and long displacement alternately change, it is corresponding between adapter sleeve and upper helical teeth ring position lower joint sleeve outer sheath
Equipped with the upper spring in outer barrel；In the lower outside of lower joint sleeve and the top of oblique ring gear of corresponding block lower position
Side is fixedly installed togather, and the top of oblique ring gear is provided with the lower tooth that can drive the rotation of helical teeth ring and the spacing upper helical teeth ring of energy
Circle, the mandrel outer sheath of position is equipped with the lower spring in outer barrel between corresponding oblique ring gear and lower contact.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
Above-mentioned upper ring gear may include ratchet on upper groove and doubly-linked, circumferentially have uniformly at intervals at least in upper helical teeth ring bottom
Two upper grooves, ratchet on doubly-linked are equipped between every two adjacent upper grooves, the left side that ratchet includes on the doubly-linked of front side
Facade, left domatic, right facade and the right side are domatic, and left facade and right facade are in vertical shape, left domatic and right domatic in the left low right side
High is skewed, and the lower end of left facade and left domatic left end adjacent thereto link together and form a left side for ratchet on doubly-linked
Upper crown, the lower end of right facade and right domatic left end adjacent thereto link together and form the upper right tooth of ratchet on doubly-linked
Point, the left and right sides of upper groove are vertical plane, and the left surface bottom of upper groove is connected to one with the corresponding domatic top in the right side
Rise, the bottom of the right flank of upper groove links together with corresponding left facade top；Lower ring gear includes U-lag and V-shaped groove,
The top of oblique ring gear is circumferentially alternately evenly equipped with U-lag and V-shaped groove, positioned at the right part top of the U-lag of front side and therewith phase
The left part top of adjacent V-shaped groove links together and forms lower-left crown, positioned at the right part top of the V-shaped groove of front side and therewith phase
The left part top of adjacent U-lag links together and forms bottom right crown；Block be located in U-lag and with the right flank of U-lag
Between have spacing, lower-left corresponding with U-lag crown is located on doubly-linked between the upper left crown and upper right crown of ratchet, institute
The upper left crown for stating ratchet on doubly-linked is located at the left of block, and the left surface of each U-lag is vertical with corresponding left facade or the right side
Face is against together.
The quantity of above-mentioned U-lag can be identical with the quantity of upper groove.
The quantity of above-mentioned U-lag can be 1.5 times of upper groove quantity.
It can be provided with the outside of the upper end of above-mentioned upper helical teeth ring and be less than middle adapter sleeve external diameter positioned at upper spring lower outside and internal diameter
Exterior ring cap.
Between above-mentioned corresponding ball seat land and interior circulation port sealing ring can be provided with the upper joint sleeve inwall of position；Middle connection
Sealing ring is provided between set and mandrel；It is equipped with above and below corresponding outer circulation hole between the middle adapter sleeve and outer barrel of position close
Seal；Sealing ring is provided between oblique ring gear and outer barrel.
The limited ring dais that the upper inner of the outer barrel of above-mentioned corresponding sliding sleeve top position can be provided with, in the top of limited ring dais
Side is provided with Internal Pipe Thread button.
Above-mentioned lower joint sleeve can be connected through a screw thread with oblique ring gear and be fixedly installed togather, the lower inside of oblique ring gear
Provided with the pressure-bearing land below lower joint sleeve.
Above-mentioned upper spring and lower spring can be compression spring.
Four interior circulation ports can be uniformly distributed with above-mentioned upper joint sleeve along the circumference, be uniformly distributed with four outer circulations on outer barrel along the circumference
Hole.
Two pieces of blocks can be uniformly distributed with above-mentioned outer barrel along the circumference.
The utility model reasonable and compact in structure, it is easy to use, this can be made by the setting of upper helical teeth ring and oblique ring gear
Utility model can be connected to the optional position of drilling tool in well, the operation of multiple different demands can be carried out by a pitching, at any time
The corresponding stage can be realized by throwing the ball triggering that builds the pressure, it cannot be only used for carrying out plugging operations, it may also be used for the cleaning of the borehole wall,
It can improve the effect that drilling fluid takes sand in heavy duty service, especially can avoid out drilling tool completely in leak stopping operation
Construction, directly the utility model is carried to leakage well section, i.e. achievable leak stopping is excited by throwing the ball that builds the pressure, it is substantial amounts of so as to save
Operating time；It is quick with exciting, it is reliable in time, the characteristics of safe operation.
Brief description of the drawings
Accompanying drawing 1 is the main view cross section structure diagram of the best embodiment of the utility model in an initial condition.
Accompanying drawing 2 is the left view broken section structural representation of accompanying drawing 1.
Accompanying drawing 3 is the main view broken section structural representation under the best embodiment of the utility model in the first stage completion status
Figure.
Accompanying drawing 4 is main view broken section structural representation of the best embodiment of the utility model under second stage completion status
Figure.
Accompanying drawing 5 is main view broken section structural representation of the best embodiment of the utility model under phase III completion status
Figure.
Accompanying drawing 6 is the expansion knot of upper helical teeth ring and oblique ring gear under U-lag and upper groove quantity equal state in accompanying drawing 1
Structure schematic diagram.
Accompanying drawing 7 is the upper exhibition of helical teeth ring and oblique ring gear under 1.5 times of states that U-lag is upper groove quantity in accompanying drawing 1
Opening structure schematic diagram.
Coding in accompanying drawing is respectively：1 is outer barrel, and 2 be lower contact, and 3 be mandrel, and 4 be upper helical teeth ring, and 5 be upper spring, 6
It is lower spring for oblique ring gear, 7,8 be upper joint sleeve, and 9 be middle adapter sleeve, and 10 be lower joint sleeve, and 11 be ball seat land, and 12 be interior
Circulation port, 13 be outer circulation hole, and 14 be block, and 15 be upper groove, and 16 be upper left crown, and 17 be upper right crown, and 18 be U-lag,
19 be V-shaped groove, and 20 be lower-left crown, and 21 be bottom right crown, and 22 be exterior ring cap, and 23 be sealing ring, and 24 be limited ring dais, and 25 be interior
Pipe screw thread button, 26 be pressure-bearing land.
Embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come
Determine specific embodiment.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification
The Butut mode of accompanying drawing 1 is described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to Figure of description
Butut direction determine.
The utility model is further described with reference to embodiment and accompanying drawing：
As shown in accompanying drawing 1,2,3,4,5,6,7, the plugging while drilling short-circuit device includes outer barrel 1, lower contact 2, mandrel 3, cunning
Set, upper helical teeth ring 4, upper spring 5, oblique ring gear 6 and lower spring 7, the lower inside and the upper outside of lower contact 2 of outer barrel 1 are consolidated
Dingan County is fitted together, and mandrel 3 is set with outer barrel 1, and the lower outside and the upper inner of lower contact 2 of mandrel 3 are fixedly mounted on
Together, the upper outside of mandrel 3 is set with the sliding sleeve that can be slid in outer barrel 1 and along mandrel 3；Sliding sleeve include from top to bottom according to
The diameter of the secondary upper joint sleeve 8 to link together, middle adapter sleeve 9 and lower joint sleeve 10, upper joint sleeve 8 and lower joint sleeve 10 is small
In the diameter of middle adapter sleeve 9, the upper inner of upper joint sleeve 8 is provided with the ball seat land 11 positioned at the top of mandrel 3, corresponding ball seat ring
Circumferentially there is at least one interior circulation port 12 on the upper joint sleeve 8 of the lower position of platform 11, the position of adapter sleeve 9 is outer in corresponding to
Circumferentially there is at least one outer circulation hole 13 on cylinder 1, block is fixed with the outer barrel 1 of the corresponding medium position of lower joint sleeve 10
14；The middle part outer sheath of lower joint sleeve 10 is equipped with the upper helical teeth ring 4 positioned at the top of block 14, and the bottom of upper helical teeth ring 4 is provided with energy
Produce relative to the rotation of block 14 and periodically the upper ring gear of short essay and long displacement alternately change, it is corresponding in adapter sleeve 9 with it is upper tiltedly
The outer sheath of lower joint sleeve 10 of position is equipped with the upper spring 5 in outer barrel 1 between ring gear 4；The corresponding lower position of block 14
The upper inner of the lower outside of lower joint sleeve 10 and oblique ring gear 6 is fixedly installed togather, and the top of oblique ring gear 6 is provided with energy
In driving helical teeth ring 4 rotate and can spacing upper helical teeth ring 4 lower ring gear, the core of position between corresponding oblique ring gear 6 and lower contact 2
The outer sheath of axle 3 is equipped with the lower spring 7 in outer barrel 1.
According to demand, when upper helical teeth ring 4 produces short essay with respect to block 14, interior circulation port 12 should be located at the upper of mandrel 3
Side, i.e., the endoporus of mandrel 3 connects with interior circulation port 12, when upper helical teeth ring 4 produces long displacement with respect to block 14, the top surface of mandrel 3
The top of interior circulation port 12 should be located at, i.e. the endoporus of mandrel 3 and interior circulation port 12 is obstructed；The ball that builds the pressure can use existing known technology,
Such as metal ball, bakelite ball sealer.The utility model may be mounted at the optional position of DHA（It is typically mounted at brill
Tool combination middle part is close to drill bit）, the utility model is connected in default pipe string, its G.I.H is then subjected to drilling well work
Industry, it includes the following four stage using the cycle period of process：
1）First stage：In an initial condition, when need to landwaste is efficiently cleared up in pit shaft when, can be into pipe string
The ball that builds the pressure is put into, the ball that builds the pressure will come downwards at ball seat land 11 in the presence of high-pressure fluid, and promote sliding sleeve descending, so as to band
Dynamic oblique ring gear 6 is descending and the upper spring 5 of compression and lower spring 7, oblique ring gear 6 lower ring gear during descending will be released to upper
Helical teeth ring 4 it is spacing, now upper helical teeth ring 4 will be rotated by the pressure of upper spring 5 and relative block 14 produces short essay, and
Interior circulation port 12 is connected with outer circulation hole 13, at the same interior circulation port 12 also with drilling tool water hole UNICOM, now can simultaneously in drilling well
During carry out well cleaning construction；
2）Second stage：When not needing washing and cleaning operation, operation pressure is reduced, upper spring 5 and lower spring 7 will be gradually extensive
Complex deformation, while promote sliding sleeve up, so as to drive oblique ring gear 6 up, in this process, lower ring gear will drive upper helical teeth ring
Being realized after the 4 certain angular displacements of rotation will return back to the spacing of upper helical teeth ring 4, the now displacement of upper 4 relative block 14 of helical teeth ring
Original state, under relatively low operation pressure effect herein, sliding sleeve will produce it is micro descending, due to the spacing and outer shroud of upper helical teeth ring 4
The setting of set 22, it can be ensured that the descending extreme position of this pressure low sleeve is that the middle bottom surface of adapter sleeve 9 connects with the top surface of exterior ring cap 22
Touch, now interior circulation port 12 and outer circulation hole 13 are obstructed, can carry out normal drilling operability；
3）Phase III：When needing to block drilling tool water hole progress plugging operations, it is possible to increase operation pressure, so as to promote down
Helical teeth ring 6 is descending and releases lower ring gear to the spacing of upper helical teeth ring 4, and now above helical teeth ring 4 will be revolved by the pressure of upper spring 5
Turn and relative block 14 produce long displacement, now mandrel 3 will on the inside of sliding sleeve circulation port 12 in closure, outer circulation hole 13 with and position
Connected in the inner chamber of outer barrel 1 of sliding sleeve upper outer, do not played the plugging operations of drilling tool now；
4）Fourth stage：When blocking construction terminates, ground stops applying pressure, and sliding sleeve can be in upper spring 5 and lower spring 7
Up under collective effect, so as to drive oblique ring gear 6 up, in this process, it is certain that lower ring gear will drive upper helical teeth ring 4 to rotate
Original state will be returned back to the spacing of upper helical teeth ring 4, the now displacement of upper 4 relative block 14 of helical teeth ring by being realized after angular displacement,
Sliding sleeve also sets back, and can proceed with normal drilling well and cycle operation.The utility model reasonable and compact in structure, user
Just, by the setting of upper helical teeth ring 4 and oblique ring gear 6 the utility model can be enable to be connected to the optional position of drilling tool in well, led to
The operation of multiple different demands can be carried out by crossing a pitching, can realize the corresponding stage by throwing the ball triggering that builds the pressure at any time, it is not
It can only be used to carry out plugging operations, it may also be used for the cleaning of the borehole wall, it can improve the work that drilling fluid takes sand in heavy duty service
With, it can especially avoid out the construction of drilling tool completely in leak stopping operation, directly carry the utility model to leakage well section, it is logical
Cross throwing build the pressure ball excite i.e. can be achieved leak stopping, so as to save the substantial amounts of operating time；It is quick with exciting, reliable in time, operation
The characteristics of safe.
Above-mentioned plugging while drilling short-circuit device can be made further optimization and/or improvements according to being actually needed：
As shown in accompanying drawing 1,2,3,4,5,6,7, upper ring gear includes ratchet on upper groove 15 and doubly-linked, under upper helical teeth ring 4
Circumferentially there are at least two upper grooves 15 in portion uniformly at intervals, and ratchet on doubly-linked, position are equipped between every two adjacent upper grooves 15
Left facade, left domatic, right facade and the right side included in ratchet on the doubly-linked of front side is domatic, and left facade and right facade are in vertical
Shape, a left side are domatic and right domatic in left low right high skewed, the lower end of left facade and left domatic left end company adjacent thereto
It is connected together and forms the upper left crown 16 of ratchet on doubly-linked, the lower end of right facade connects with right domatic left end adjacent thereto
Together and the upper right crown 17 of ratchet on doubly-linked is formed, the left and right sides of upper groove 15 are vertical plane, upper groove 15
Left surface bottom links together with the corresponding domatic top in the right side, the bottom of the right flank of upper groove 15 and corresponding left facade top
End links together；Lower ring gear includes U-lag 18 and V-shaped groove 19, and circumferentially alternately U-shaped is evenly equipped with the top of oblique ring gear 6
Groove 18 and V-shaped groove 19, it is connected to positioned at the left part top on the right part top of the U-lag 18 of front side and V-shaped groove 19 adjacent thereto
Together and lower-left crown 20 is formed, positioned at the right part top of the V-shaped groove 19 of front side and the left part top of U-lag 18 adjacent thereto
Link together and form bottom right crown 21；Block 14 is located in U-lag 18 and has spacing between the right flank of U-lag 18,
Lower-left crown 20 corresponding with the U-lag 18 is located on doubly-linked between the upper left crown 16 and upper right crown 17 of ratchet, described
The upper left crown 16 of ratchet is located at the left of block 14 on doubly-linked, the left surface of each U-lag 18 with corresponding left facade or
Right facade is against together.Thus the utility model can be made to meet the four-stage of its cycle period, be specially：（1）Oblique ring gear 6
Descending, U-lag 18 is released to the spacing of corresponding left facade or right facade, left domatic to be slid along block 14 and drive upper helical teeth ring
4 rotations come downwards to block 14 and are stuck in left domatic right facade between, and now, upper helical teeth ring 4 produces short essay, the right side with respect to block 14
Together with facade will be against with the right flank of block 14, and upper right crown 17 is located at the left side of lower-left crown 20；（2）Oblique ring gear 6
It is up, lower-left crown 20 will go upward to be against it is right it is domatic on, because block 14 is to the spacing of right facade, upper helical teeth ring 4 will be on a left side
Upper right crown 17 is synchronously gone upward under the drive of lower crown 20 and is higher than block 14, it is now right domatic to slide and drive along block 14
Upper helical teeth ring 4 rotates spacing to U-lag 18 and corresponding left facade or right facade, and upper right crown 17 is located at the left side of block 14；
（3）Oblique ring gear 6 is descending, and U-lag 18 is released to the spacing of corresponding left facade or right facade, right domatic to be slid simultaneously along block 14
Helical teeth ring 4 rotates the top for coming downwards to the card upper groove 15 of block 14 in drive, and now, upper helical teeth ring 4 produces length with respect to block 14
Displacement, together with left facade will be against with the right flank of block 14, and upper left crown 16 is located at the left side of lower-left crown 20；（4）Under
Helical teeth ring 6 is up, lower-left crown 20 will go upward to be against it is left it is domatic on, because block 14 is to the spacing of left facade, upper helical teeth ring 4
Upper left crown 16 will be synchronously gone upward under the drive of lower-left crown 20 and is higher than block 14, it is now left domatic to be slid along block 14
And it is spacing to U-lag 18 and corresponding left facade or right facade to drive upper helical teeth ring 4 to rotate, and now returns back to initial position.
As shown in accompanying drawing 1,2,3,4,5,7, the quantity of U-lag 18 is identical with the quantity of upper groove 15.According to demand, fovea superior
The quantity of groove 15 and U-lag 18 is four.
As shown in accompanying drawing 1,2,3,4,5,6, the quantity of U-lag 18 is 1.5 times of the quantity of upper groove 15.According to demand, may be used
Circumferentially there are four upper grooves 15 uniformly at intervals in the bottom of upper helical teeth ring 4, and the quantity of U-lag 18 is six.
Be provided with as shown in accompanying drawing 1,2,3,4,5,6,7, on the outside of the upper end of upper helical teeth ring 4 positioned at the upper lower outside of spring 5 and
Internal diameter is less than the exterior ring cap 22 of the middle external diameter of adapter sleeve 9.According to demand, the spacing between middle adapter sleeve 9 and exterior ring cap 22 should be less than
Spacing between the middle top of adapter sleeve 9 and outer circulation hole 13；The utility model can so be made in the second stage of cycle period,
The descending extreme position of sliding sleeve is that the middle bottom surface of adapter sleeve 9 is in contact with the top surface of exterior ring cap 22, now interior circulation port 12 and outer circulation
Hole 13 is obstructed, it is ensured that drillng operation is normally carried out.
As shown in accompanying drawing 1,2,3,4,5,6,7, the upper joint sleeve 8 of position between corresponding ball seat land 11 and interior circulation port 12
Inwall is provided with sealing ring 23；Sealing ring 23 is provided between middle adapter sleeve 9 and mandrel 3；Above and below corresponding outer circulation hole 13
Sealing ring 23 is equipped between the middle adapter sleeve 9 and outer barrel 1 of position；Sealing ring 23 is provided between oblique ring gear 6 and outer barrel 1.This
Sample can make the utility model have good sealing, be easy to smoothly complete the operation that builds the pressure.
As shown in accompanying drawing 1,2,3,4,5,6,7, the spacing ring that the upper inner of the outer barrel 1 of sliding sleeve top position is provided with is corresponded to
Platform 24, the upper inner of limited ring dais 24 are provided with Internal Pipe Thread button 25.Limited ring dais 24 up to sliding sleeve can play position-limiting action,
The setting of Internal Pipe Thread button 25 can make the utility model be easy to connect with drilling rod.
As shown in accompanying drawing 1,2,3,4,5,6,7, lower joint sleeve 10 is connected through a screw thread with oblique ring gear 6 and is fixedly mounted on one
Rise, the lower inside of oblique ring gear 6 is provided with the pressure-bearing land 26 positioned at the lower section of lower joint sleeve 10.Its connection installation can so be made more
Add convenient and strength-saving, and pressure of the adapter sleeve to oblique ring gear 6 can be undertaken by pressure-bearing land 26, so as to the spiral shell to both junctions
Line plays effective protection.
As shown in accompanying drawing 1,2,3,4,5,6,7, upper spring 5 and lower spring 7 are compression spring.According to demand, upper spring 5
Pretightning force can be provided with an initial condition with lower spring 7, can so it is better met duty requirements.
As shown in accompanying drawing 1,2,3,4,5,6,7, four interior circulation ports 12 are uniformly distributed with upper joint sleeve 8 along the circumference, on outer barrel 1
It is uniformly distributed with four outer circulation holes 13 along the circumference.The flowing of high-pressure fluid can so be made there is good stability.
As shown in accompanying drawing 1,2,3,4,5,6,7, two pieces of blocks 14 are uniformly distributed with outer barrel 1 along the circumference.Its stress can so be made
It is more stable.According to demand, block 14 can be the metal squares made of 35CrMo materials, be fixed by welding in outer barrel 1
On wall.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal implementation
Effect, can be according to the non-essential technical characteristic of increase and decrease be actually needed, to meet the needs of different situations.
Claims (10)
1. a kind of plugging while drilling short-circuit device, it is characterised in that including outer barrel, lower contact, mandrel, sliding sleeve, upper helical teeth ring, upper bullet
Spring, oblique ring gear and lower spring, the lower inside of outer barrel and the upper outside of lower contact are fixedly installed togather, and are set with outer barrel
There is mandrel, the lower outside of mandrel and the upper inner of lower contact are fixedly installed togather, and the upper outside of mandrel is set with position
In in outer barrel and can along mandrel slide sliding sleeve；Sliding sleeve include from top to bottom be connected in turn upper joint sleeve, middle connection
The diameter of adapter sleeve, the upper inner of upper joint sleeve during the diameter of set and lower joint sleeve, upper joint sleeve and lower joint sleeve is respectively less than
Provided with the ball seat land above mandrel, circumferentially have at least one on the upper joint sleeve of corresponding ball seat land lower position
Individual interior circulation port, circumferentially there are at least one outer circulation hole, corresponding lower joint sleeve in corresponding on the outer barrel of adapter sleeve position
Block is fixed with the outer barrel of medium position；The middle part outer sheath of lower joint sleeve is equipped with the upper helical teeth ring above block, on
The bottom of helical teeth ring is provided with can rotate and periodically produce the upper ring gear that short essay and long displacement alternately change relative to block, corresponding
The lower joint sleeve outer sheath of position is equipped with the upper spring in outer barrel between middle adapter sleeve and upper helical teeth ring；Below corresponding block
The upper inner of the lower outside of the lower joint sleeve of position and oblique ring gear is fixedly installed togather, and the top of oblique ring gear is provided with
The lower ring gear of upper helical teeth ring rotation and the spacing upper helical teeth ring of energy can be driven, the mandrel of position between corresponding oblique ring gear and lower contact
Outer sheath is equipped with the lower spring in outer barrel.
2. plugging while drilling short-circuit device according to claim 1, it is characterised in that upper ring gear is included on upper groove and doubly-linked
Ratchet, circumferentially there are at least two upper grooves uniformly at intervals in upper helical teeth ring bottom, be equipped between every two adjacent upper grooves
Ratchet on doubly-linked, left facade, left domatic, right facade and the right side that ratchet includes on the doubly-linked of front side are domatic, left facade and the right side
Facade is in vertical shape, left domatic and right domatic in left low right high skewed, the lower end of left facade and a left side adjacent thereto
Domatic left end links together and forms the upper left crown of ratchet on doubly-linked, the lower end of right facade and adjacent thereto right domatic
Left end link together and form the upper right crown of ratchet on doubly-linked, the left and right sides of upper groove are vertical plane, fovea superior
The left surface bottom of groove links together with the corresponding domatic top in the right side, the bottom of the right flank of upper groove and corresponding left facade
Top links together；Lower ring gear includes U-lag and V-shaped groove, the top of oblique ring gear circumferentially alternately be evenly equipped with U-lag and
V-shaped groove, linked together positioned at the left part top on the right part top of the U-lag of front side and V-shaped groove adjacent thereto and form a left side
Lower crown, linked together positioned at the left part top on the right part top of the V-shaped groove of front side and U-lag adjacent thereto and form the right side
Lower crown；Block is located in U-lag and has spacing, lower-left crown position corresponding with the U-lag between the right flank of U-lag
Between the upper left crown and upper right crown of ratchet on doubly-linked, the upper left crown of ratchet is located at the left of block on the doubly-linked,
Together with the left surface of each U-lag is against with corresponding left facade or right facade.
3. plugging while drilling short-circuit device according to claim 2, it is characterised in that the quantity of U-lag and the quantity of upper groove
It is identical.
4. plugging while drilling short-circuit device according to claim 2, it is characterised in that the quantity of U-lag is upper groove quantity
1.5 again.
5. according to the plugging while drilling short-circuit device described in claim 1 or 2 or 3 or 4, it is characterised in that outside the upper end of upper helical teeth ring
Side is provided with the exterior ring cap for being less than middle adapter sleeve external diameter positioned at upper spring lower outside and internal diameter.
6. according to the plugging while drilling short-circuit device described in claim 1 or 2 or 3 or 4, it is characterised in that corresponding ball seat land with it is interior
The upper joint sleeve inwall of position is provided with sealing ring between circulation port；Sealing ring is provided between middle adapter sleeve and mandrel；It is corresponding outer
Above and below circulation port sealing ring is equipped between the middle adapter sleeve and outer barrel of position；It is provided between oblique ring gear and outer barrel close
Seal；
Or/and the limited ring dais that the upper inner of the outer barrel of corresponding sliding sleeve top position is provided with, the upper inner of limited ring dais are set
There is Internal Pipe Thread button.
7. plugging while drilling short-circuit device according to claim 5, it is characterised in that corresponding ball seat land and interior circulation port it
Between the upper joint sleeve inwall of position be provided with sealing ring；Sealing ring is provided between middle adapter sleeve and mandrel；On corresponding outer circulation hole
Sealing ring is equipped between side and the middle adapter sleeve and outer barrel of lower position；Sealing ring is provided between oblique ring gear and outer barrel；
Or/and the limited ring dais that the upper inner of the outer barrel of corresponding sliding sleeve top position is provided with, the upper inner of limited ring dais are set
There is Internal Pipe Thread button.
8. according to the plugging while drilling short-circuit device described in claim 1 or 2 or 3 or 4 or 7, it is characterised in that lower joint sleeve is with
Helical teeth ring, which is connected through a screw thread, to be fixedly installed togather, and the lower inside of oblique ring gear is provided with the pressure-bearing below lower joint sleeve
Land；Or/and upper spring and lower spring are compression spring.
9. according to the plugging while drilling short-circuit device described in claim 1 or 2 or 3 or 4 or 7, it is characterised in that edge on upper joint sleeve
Four interior circulation ports are evenly distributed in, are uniformly distributed with four outer circulation holes on outer barrel along the circumference；Or/and it is uniformly distributed along the circumference in outer barrel
There are two pieces of blocks.
10. plugging while drilling short-circuit device according to claim 8, it is characterised in that be uniformly distributed with four on upper joint sleeve along the circumference
Individual interior circulation port, four outer circulation holes are uniformly distributed with along the circumference on outer barrel；Or/and it is uniformly distributed with two pieces of blocks in outer barrel along the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720843761.2U CN207144896U (en) | 2017-07-12 | 2017-07-12 | Plugging while drilling short-circuit device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107227942A (en) * | 2017-07-12 | 2017-10-03 | 中国石油集团西部钻探工程有限公司 | Plugging while drilling short-circuit device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107227942A (en) * | 2017-07-12 | 2017-10-03 | 中国石油集团西部钻探工程有限公司 | Plugging while drilling short-circuit device |
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Effective date of registration: 20201112 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 830026 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |