CN103061709A - Sliding bush control tool and hydraulic-control sliding bush capable of achieving surpassing operation - Google Patents
Sliding bush control tool and hydraulic-control sliding bush capable of achieving surpassing operation Download PDFInfo
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- CN103061709A CN103061709A CN2013100235534A CN201310023553A CN103061709A CN 103061709 A CN103061709 A CN 103061709A CN 2013100235534 A CN2013100235534 A CN 2013100235534A CN 201310023553 A CN201310023553 A CN 201310023553A CN 103061709 A CN103061709 A CN 103061709A
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Abstract
The invention discloses a sliding bush control tool and a hydraulic-control sliding bush capable of achieving surpassing operation. An upper protrusion (243), a clamping groove (242) and a lower protrusion (244) are arranged on the outer wall of a clamping bush (24) of the sliding bush control tool, and an upper groove (91), a boss (93) and a lower groove (92) which are matched with the upper protrusion (243), the clamping groove (242) and the lower protrusion (244) are arranged in a sliding bush body. Only when the sliding bush control tool reaches a corresponding position of the sliding bush body, the clamping bush (24) can extend out of the sliding bush control tool to be in the stretched state, so that the clamping bush (24) can automatically identify the boss (93) on the sliding bush body (9) and clamp the sliding bush body (9). At the moment, the sliding bush body is opened and closed by lifting or putting down a tubing or coiled tubing. Therefore, the defect of proneness to misoperation of a traditional sliding bush tool can be avoided, operating efficiency is improved, and operation is simple and convenient.
Description
Technical field
The present invention relates to technical field of petroleum extraction, the particularly sliding sleeve control tool of a kind of realization underground sliding sleeve location recognition of in oil well fracturing operation, using and switching sliding sleeve, or a kind of hydraulic control sliding sleeve of realizing surmounting operation that in oil well fracturing operation, uses.
Background technology
In the field produces, automatically controlled fracturing sliding bush has that large latus rectum, operation technique are simple, success rate and safe, realize that the advantage such as the without hindrance pressure break of multistage is emerging a kind of fracturing sliding bush in the last few years easily.Such as Chinese patent CN102518420A, on open June 27 2012 date, " a kind of automatically controlled fracturing sliding bush of layer of not limitting " disclosed.Automatically controlled sliding sleeve is worked under be everlasting 70MPa even higher pressure condition, and subsurface environment is abominable, and the control of automatically controlled sliding sleeve must consider that prediction scheme processes.Namely when situation that the electric-control system of automatically controlled sliding sleeve lost efficacy, should there be alternative control method to realize switching manipulation to sliding sleeve.Namely by surmounting operation can't work to the electric-control system of automatically controlled sliding sleeve the time, realize the switch control of sliding sleeve.
At present, existing surmount control be to control by the mode that in sliding sleeve, is lowered to continuous sliding sleeve control tool, sliding sleeve control tool commonly used all adopts the groove RM, namely by the projection that arranges on the sliding sleeve control tool groove on the sliding sleeve internal perisporium is identified,, realizes projection being connected between sliding sleeve control tool and sliding sleeve so that being fastened in the groove, afterwards by on move or lower drain line, realize the unlatching of the automatically controlled sliding sleeve in down-hole or close.
But, when horizontal well, high angle hole etc. has in the pit shaft of the labyrinth borehole wall operation, usually can deposit sand grains in the groove on the sliding sleeve internal perisporium, depth of groove shoals, cause the sliding sleeve control tool can't accurately identify groove on the sliding sleeve, and accurate locating slide sleeve cause operation to lose efficacy; In addition, because in the existing pit shaft, each downhole tool need to connect by links such as box cuplings usually, between box cupling and downhole tool, can form sunk structure, after the sliding sleeve control tool was transferred in the oil pipe, the sunk structure that forms between box cupling and the downhole tool can cause the projection mistake identification on the sliding sleeve control tool, and projection is fastened in this sunk structure, cause the maloperation of sliding sleeve control tool, cause operation to lose efficacy.
Summary of the invention
In order to solve the technical problem of the easy maloperation of sliding sleeve control tool commonly used in the prior art, the invention provides a kind of sliding sleeve control tool, this sliding sleeve control tool adopts the mode of boss identification, can effectively prevent maloperation, improve operating efficiency, and simple to operation.The present invention also provides a kind of hydraulic control sliding sleeve that surmounts operation.
The present invention for the technical scheme that solves its technical problem employing is: a kind of sliding sleeve control tool, described sliding sleeve control tool comprises the columnar upper press ring that connects successively from the top down, columnar parent tube and columnar lower pressure ring, be provided with the centre bore of axial perforation in the parent tube, the upper end of parent tube is fixedly connected with the top connection of tubular, the lower end of parent tube is fixedly connected with the lower contact of tubular, the sidewall of parent tube is provided with and is communicated with the inside and outside a plurality of piston holes of parent tube, be equipped with piston in each piston hole, the sidewall of parent tube is outside equipped with cutting ferrule, cutting ferrule comprises that two are symmetrical set and half cutting ferrule that size and shape is identical, along cutting ferrule circumferentially, the outer wall of each half cutting ferrule is equipped with draw-in groove, along cutting ferrule axially, the two ends of each half cutting ferrule are respectively equipped with teat and lower teat, piston is corresponding with the position of upper teat and lower teat respectively, upper press ring and lower pressure ring can both endwisely slipping along parent tube, upper press ring is sheathed on outside parent tube and the top connection, be provided with upper spring between upper press ring and the top connection, upper press ring is by the top pressure of upper spring and the upper end butt of cutting ferrule, pressing down ring set is located at outside parent tube and the lower contact, be provided with lower spring between lower pressure ring and the lower contact, lower pressure ring is by the top pressure of lower spring and the lower end butt of cutting ferrule.
A kind of hydraulic control sliding sleeve that surmounts operation, comprise outer sleeve and be arranged on the interior sliding sleeve of outer sleeve, the two ends of sliding sleeve and outer sleeve are tightly connected and sliding sleeve can endwisely slipping along outer sleeve, along sliding sleeve circumferentially, the inwall of sliding sleeve contains the upper groove of annular setting up and down and the low groove of annular, the inwall of sliding sleeve forms the boss of annular between upper groove and the low groove, boss and above-mentioned draw-in groove are complementary, upper groove and above-mentioned upper teat are complementary, and low groove and above-mentioned lower teat are complementary.
Preferably along the axis direction of inner sleeve, the length of upper groove and low groove is less than the length of boss.
Between outer sleeve and inner sleeve, be provided with the toroidal cavity of sealing, in toroidal cavity, the first shoe cream room that axially is connected with sealing in turn along outer sleeve, the sliding sleeve piston of the annular that is fixedly connected with inner sleeve, the second shoe cream room of sealing, the described hydraulic control sliding sleeve that surmounts operation also comprises the fueller that hydraulic oil is provided, hydraulicdirectional control valve and be used for the control device of control hydraulicdirectional control valve, hydraulicdirectional control valve is the two-bit triplet electirc controlling hydraulic reversing valve, fueller is communicated with the oil-in of hydraulicdirectional control valve, the first oil-out of hydraulicdirectional control valve is communicated with the first shoe cream room, the second oil-out of hydraulicdirectional control valve is communicated with the second shoe cream room, the volume of the hydraulic oil that fueller can hold is 2 times of the first shoe cream room volume at least, control device can be controlled hydraulicdirectional control valve makes fueller only to the first shoe cream room fuel feeding, or makes fueller only to the second shoe cream room fuel feeding.
Fueller comprises the outer cylinder sheath of tubular and is sheathed on the interior inner cylinder liner of outer cylinder sheath, one end of outer cylinder sheath and an end of inner cylinder liner simultaneously with an end fixed seal connection of outer sleeve, the other end of outer cylinder sheath is connected with the other end of inner cylinder liner, between outer cylinder sheath and inner cylinder liner, form annular spatial accommodation, in annular spatial accommodation, the annular oil storage space that axially is connected with sealing in turn along outer cylinder sheath, the energy storage space of the oil cylinder piston of annular and annular, be provided with the spring that can promote oil cylinder piston compression oil storage space in the energy storage space, the internal communication of the inside of inner cylinder liner and inner sleeve sliding sleeve, oil storage space is communicated with the oil-in of hydraulicdirectional control valve, the internal communication of energy storage space and inner cylinder liner.
The other end of fueller is provided with the upper union of tubular, the outer wall fixed seal connection of the inwall of the other end of outer cylinder sheath and upper union one end, the outer wall of the other end of inner cylinder liner is connected with the inwall of upper union one end, the energy storage space is adjacent with upper union, one end butt of one end of spring and upper union, the other end of spring and oil cylinder piston butt, the energy storage space is communicated with by the slit between inner cylinder liner and the upper union with the inside of inner cylinder liner.
Oil storage space and outer sleeve are adjacent, the outer wall fixed seal connection of the inwall of an end of outer cylinder sheath and an end of outer sleeve, the inwall fixed seal connection of the outer wall of an end of inner cylinder liner and an end of outer sleeve.
Control device comprises antenna for received RF signal, according to the control module of the signal controlling hydraulicdirectional control valve operation of antenna reception, antenna is arranged on the inner surface of outer sleeve, control module is arranged in the annular seal space in the outer sleeve sidewall.
Inner sleeve is provided with a plurality of sandblasts hole, and outer sleeve is provided with the spray-hole that can be communicated with sandblast hole and outer sleeve outside, is provided with shear pin between outer sleeve and the inner sleeve.
Along the axis direction of inner sleeve, the external surface of inner sleeve is provided with groove, is provided with the guide pin that is fixedly connected with the inner surface of outer sleeve in the groove.
The invention has the beneficial effects as follows: be provided with continuous protuberance, draw-in groove and protuberance on the cutting ferrule of sliding sleeve control tool, and be provided with groove, boss and the groove that is complementary with it in the sliding sleeve, only have when it mates mutually, two and half cutting ferrules of cutting ferrule could expose from the surface of sliding sleeve control tool and corresponding buckle with sliding sleeve connects, thereby can effectively prevent maloperation, improve operating efficiency, and simple to operation.
Description of drawings
Below in conjunction with accompanying drawing sliding sleeve control tool of the present invention and the hydraulic control sliding sleeve that can surmount operation are described in further detail.
Fig. 1 is the structural representation of sliding sleeve control tool of the present invention when not being connected with the sliding sleeve buckle.
Fig. 2 is the structural representation of sliding sleeve control tool of the present invention when being connected with the sliding sleeve buckle.
Fig. 3 is the structural representation that surmounts the hydraulic control sliding sleeve of operation of the present invention.
Fig. 4 is the local enlarged diagram at B position among Fig. 3.
Fig. 5 is the local enlarged diagram of A position when sliding sleeve is in opening among Fig. 3.
Fig. 6 is the local enlarged diagram of A position when sliding sleeve is in closed condition among Fig. 3.
Fig. 7 is the local enlarged diagram at C position among Fig. 3.
Union on 1. wherein, 4. fueller, 41. annular spatial accommodations, 42. outer cylinder sheaths, 43. spring, 44. oil cylinder pistons, 45. inner cylinder liners, 46. oil storage space, 47. the energy storage space, 6. control device, 61. antennas, 62. control modules, 63. annular seal space, 7. outer sleeve, 71. first outer sleeves, 72. second outer sleeves, 73. the 3rd outer sleeve, 8. hydraulicdirectional control valve, 9. inner sleeve, 91. upper grooves, 92. low groove, 93. boss, 12. lower pipe connections, 13. sandblast holes, 15. guide pin, 16. toroidal cavities, 161. first shoe cream rooms, 162. second shoe cream rooms, 163. the sliding sleeve piston, 21. upper press rings, 211. upper springs, 22. parent tubes, 221. centre bore, 222. top connections, 223. lower contacts, 224. piston hole, 225. pistons, 23. times pressure rings, 231. lower spring, 24. cutting ferrules, 241. half cutting ferrules, 242. draw-in groove, teat on 243., 244. times teats.
The specific embodiment
Below in conjunction with accompanying drawing sliding sleeve control tool of the present invention is elaborated.A kind of sliding sleeve control tool, described sliding sleeve control tool comprises the columnar upper press ring 21 that connects successively from the top down, columnar parent tube 22 and columnar lower pressure ring 23, be provided with the centre bore 221 of axial perforation in the parent tube 22, the upper end of parent tube 22 is fixedly connected with the top connection 222 of tubular, the lower end of parent tube 22 is fixedly connected with the lower contact 223 of tubular, the sidewall of parent tube 22 is provided with a plurality of piston holes 224 inside and outside the connection parent tube 22, be equipped with piston 225 in each piston hole 224, the sidewall of parent tube 22 is outside equipped with cutting ferrule 24, cutting ferrule 24 comprises that two are symmetrical set and half cutting ferrule 241 that size and shape is identical, along cutting ferrule 24 circumferentially, the outer wall of each half cutting ferrule 241 is equipped with draw-in groove 242, along cutting ferrule 24 axially, the two ends of each half cutting ferrule 241 are respectively equipped with teat 243 and lower teat 244, piston 225 is corresponding with the position of upper teat 243 and lower teat 244 respectively, upper press ring 21 and lower pressure ring 23 can both axially sliding up and down along parent tube 22, upper press ring 21 is sheathed on outside parent tube 22 and the top connection 222, be provided with upper spring 211 between upper press ring 21 and the top connection 222, upper press ring 21 is by the top pressure of upper spring 211 and the upper end butt of cutting ferrule 24, lower pressure ring 23 is sheathed on outside parent tube 22 and the lower contact 223, be provided with lower spring 231 between lower pressure ring 23 and the lower contact 223, lower pressure ring 23 is by the top pressure of lower spring 231 and the lower end butt of cutting ferrule 24, such as Fig. 1, shown in Figure 2.
A kind of hydraulic control sliding sleeve that surmounts operation, comprise outer sleeve 7 and the inner sliding sleeve 9 that is arranged in the outer sleeve 7, the two ends of inner sliding sleeve 9 and outer sleeve 7 are tightly connected and inner sliding sleeve 9 can endwisely slipping along outer sleeve 7, along sliding sleeve circumferentially, the inwall of inner sliding sleeve 9 contains the upper groove 91 of annular setting up and down and the low groove 92 of annular, the inwall of inner sliding sleeve 9 forms the boss 93 of annular between upper groove 91 and the low groove 92, boss 93 is complementary with above-mentioned draw-in groove 242, upper groove 91 is complementary with above-mentioned upper teat 243, low groove 92 is complementary with above-mentioned lower teat 244, such as Fig. 3, shown in Figure 7.
When sliding sleeve control tool of the present invention when the inner sliding sleeve 9 of down-hole is identified, at first, link to each other with oil pipe or coiled tubing by the jointing that is connected to top connection 222 upper ends among Fig. 1, realize transferring the sliding sleeve control tool by oil pipe or coiled tubing.The sliding sleeve control tool is in transferring process, upper spring 211 and lower spring 231 are in compressive state, upper press ring 21 and lower pressure ring 23 are pressed respectively the up and down two ends of cutting ferrule 24 by the effect top of upper spring 211 and lower spring 231, this moment, cutting ferrule 2 was in rounding state, as shown in Figure 1, also be that cutting ferrule 24 internal perisporiums closely are connected with the periphery wall of parent tube 22, the external surface of upper teat 243 and lower teat 244 is to the distance of the axis of parent tube 22 radius less than or equal to upper press ring 21 and lower pressure ring 23, to avoid occurring stuck phenomenon in transferring process; Afterwards, as shown in Figure 2, water filling is suppressed in oil pipe or the coiled tubing, under the pressure-acting of injected water, with piston 225 in four piston holes 224 that the centre bore 221 of parent tube 22 is connected radially outward mobile movement tendency along parent tube 22 is arranged, the upper teat 243 of piston 225 contact cutting ferrules 24 and lower teat 244 make half cutting ferrule 241 of cutting ferrule 24 that radially outward mobile movement tendency along parent tube 22 also be arranged; Only have when sliding sleeve control tool of the present invention arrives inner sliding sleeve 9 corresponding position, because half cutting ferrule 241 is the integral type structure, the draw-in groove 242 of offering on cutting ferrule 24 periphery walls and boss 93 Corresponding matchings on inner sliding sleeve 9 internal perisporiums, and upper teat 243 and lower teat 244 are during respectively with upper groove 91 and low groove 92 Corresponding matching, cutting ferrule 24 could stretch out from the sliding sleeve control tool, make cutting ferrule 2 be in open configuration, thereby make this cutting ferrule 24 can automatically identify boss 93 on the inner sliding sleeve 9, cutting ferrule 24 opens rear chucking inner sliding sleeve 9, this moment by on carry or lower drain line or coiled tubing, realize the switch motion of sliding sleeve.So both can avoid the defective of the traditional easy maloperation of sliding sleeve control tool, but also improve operating efficiency, and simple to operation.
Along the axis direction of inner sleeve 9, the length of upper groove 91 and low groove 92 is less than the length of boss 93.Simultaneously, the width of draw-in groove 242 is greater than the width of upper teat 243 and lower teat 244, and the advantage of such design is that draw-in groove 242 can easier be identified the boss 93 of sliding sleeve internal perisporium after the sliding sleeve control tool was lowered in the sliding sleeve.
Between outer sleeve 7 and inner sleeve 9, be provided with the toroidal cavity 16 of sealing, in toroidal cavity 16, the first shoe cream room 161 that axially is connected with sealing in turn along outer sleeve 7, the sliding sleeve piston 163 of the annular that is fixedly connected with inner sleeve 9, the second shoe cream room 162 of sealing, the described hydraulic control sliding sleeve that surmounts operation also comprises the fueller 4 that hydraulic oil is provided, hydraulicdirectional control valve 8 and be used for the control device 6 of control hydraulicdirectional control valve 8, hydraulicdirectional control valve 8 is the two-bit triplet electirc controlling hydraulic reversing valve, fueller 4 is communicated with the oil-in of hydraulicdirectional control valve 8, the first oil-out of hydraulicdirectional control valve 8 is communicated with the first shoe cream room 161, the second oil-out of hydraulicdirectional control valve 8 is communicated with the second shoe cream room 162, the volume of the hydraulic oil that fueller 4 can hold is 2 times of the first shoe cream room 161 volumes at least, control device 6 can be controlled hydraulicdirectional control valve 8 makes 4 of fuellers to the first shoe cream room 161 fuel feeding, or makes 4 of fuellers to the second shoe cream room 162 fuel feeding.
After this can surmount under the hydraulic control sliding sleeve lower going-into-well of operation, sliding sleeve was in closed condition, and the spray-hole that outer sleeve 7 arranges can not be communicated with the sandblast hole 13 of inner sleeve 9.When control device 6 receives signal demand that electronic tag sends and opens this fracturing sliding bush by antenna 61, control device 6 can be controlled hydraulicdirectional control valve 8 makes 4 of fuellers to the first shoe cream room 161 interior servicing fluids force feeds, sliding sleeve piston 163 drives inner sleeve 9 as mobile from bottom to top among Fig. 3, when inner sleeve 9 moves to spray-hole with position that sandblast hole 13 is communicated with, this hydraulic control sliding sleeve that can surmount operation is in opening, can carry out pressing crack construction.When needs are closed sliding sleeve, control device 6 can be controlled hydraulicdirectional control valve 8 makes fueller only to the second shoe cream room 162 interior servicing fluids force feeds, sliding sleeve piston 163 drives inner sliding sleeve 9 as mobile from the top down among Fig. 3, and namely inner sleeve 9 oppositely moves and makes inner sliding sleeve 9 with the initial position that is not communicated with sandblast hole 13 to spray-hole.The first shoe cream room 161 and the second shoe cream room 162 are provided with the discharge that relief hole is beneficial to hydraulic oil, see also simultaneously Fig. 5, shown in Figure 6.
This fueller uses in the down-hole, because down-hole limited space, need to take full advantage of the space, fueller 4 comprises the outer cylinder sheath 42 of tubular and is sheathed on the interior inner cylinder liner 45 of outer cylinder sheath, one end of outer cylinder sheath 42 and an end of inner cylinder liner 45 simultaneously with an end fixed seal connection of outer sleeve 7, the other end of outer cylinder sheath 42 is connected with the other end of inner cylinder liner 45, between outer cylinder sheath 42 and inner cylinder liner 45, form annular spatial accommodation 41, in annular spatial accommodation 41, the annular oil storage space 46 that axially is connected with sealing in turn along outer cylinder sheath, the oil cylinder piston 44 of annular and the energy storage space 47 of annular, be provided with the spring 43 that can promote oil cylinder piston 44 compression oil storage space 46 in the energy storage space 47, the internal communication of the inside of inner cylinder liner 45 and inner sleeve 9, oil storage space 46 is communicated with the oil-in of hydraulicdirectional control valve 8, the internal communication of energy storage space 47 and inner cylinder liner 45 is such as Fig. 3, shown in Figure 4.The radially area that can not increase fracturing sliding bush is set like this, little on the volume impact of fracturing sliding bush, make things convenient for this can surmount input and the operation of the hydraulic control sliding sleeve of operation.In addition, generally speaking, the first shoe cream room 161 is identical with the volume of the second shoe cream room 162, and the volume of oil storage space 46 is 2 times of the first shoe cream room 161 volumes at least, can guarantee like this this down-hole electrichydraulic control fracturing sliding bush at least can switch once.
The other end of fueller 4 is provided with columnar upper union 1, the outer wall fixed seal connection of the inwall of the other end of outer cylinder sheath 42 and upper union 1 one ends, the outer wall of the other end of inner cylinder liner 45 is connected with the inwall of upper union 1 one ends, energy storage space 47 is adjacent with upper union 1, one end butt of one end of spring 43 and upper union 1, the other end of spring 43 and oil cylinder piston 44 butts, energy storage space 47 is communicated with by the slit between inner cylinder liner 45 and the upper union 1 with the inside of inner cylinder liner 45.After oil storage space 46 is injected into hydraulic oil, spring 43 is compressed, the potential energy that the mechanical energy of hydraulic oil is converted to spring is stored, the internal communication of energy storage space 47 and inner cylinder liner 45, design can make spring oil cylinder piston 44 suffered pressure when stretching only come from spring like this, avoid the variation of the inside and outside differential pressure of energy storage space 47 when volumetric change on the impact of oil cylinder piston, guarantee the pressure stable homogeneous of this fueller output hydraulic pressure oil, such as Fig. 4.
The control module 62 of signal controlling hydraulicdirectional control valve 8 operations that control device 6 comprises antenna 61 for received RF signal, receive according to antenna 61.Antenna 61 is arranged on the inner surface of outer sleeve 7, and control module 62 is outside in the annular seal space 63 in the sleeve lateral wall.
Rotate vertically for fear of inner sleeve 9, along the axis direction of inner sleeve 9, the external surface of inner sleeve 9 is provided with groove, is provided with the guide pin 15 that is fixedly connected with the inner surface of outer sleeve 7 in the groove.Groove matches with guide pin 15 and can guarantee being communicated with of sandblast hole 13 and spray-hole.
The other end of outer sleeve 7 is provided with columnar lower pipe connection 12, and an end of lower pipe connection 12 is fixedly connected with the other end of outer sleeve 7, the internal communication of the other end of lower pipe connection 12 and inner sliding sleeve 9.Direction from upper union 1 to lower pipe connection 12, this inside that can surmount the hydraulic control sliding sleeve of operation is in conducting state.
For the ease of processing and manufacturing, outer sleeve 7 comprises the first outer sleeve 71, the second outer sleeve 72 and the 3rd outer sleeve 73 that connects successively, the inwall of the first outer sleeve 71 is provided with annular groove, annular groove forms toroidal cavity 16 by the outer wall sealing of inner sleeve 9, and fueller 4 is fixedly connected with an end of the first outer sleeve 71.Annular seal space 63 is arranged in the inwall of the first outer sleeve 71.Upper union 1, fueller 4, the first outer sleeve 71, the second outer sleeve 72, the 3rd outer sleeve 73 and lower pipe connection 12 are threaded connection successively.
The above only is specific embodiments of the invention, can not limit the scope that invention is implemented with it, thus the displacement of its equivalent assemblies, or according to equivalent variations and modification that scope of patent protection of the present invention is done, all should still belong to the category that this patent is contained.
Claims (10)
1. sliding sleeve control tool, it is characterized in that, described sliding sleeve control tool comprises the columnar upper press ring (21) that connects successively from the top down, columnar parent tube (22) and columnar lower pressure ring (23), be provided with the centre bore (221) of axial perforation in the parent tube (22), the upper end of parent tube (22) is fixedly connected with the top connection (222) of tubular, the lower end of parent tube (22) is fixedly connected with the lower contact (223) of tubular, the sidewall of parent tube (22) is provided with and is communicated with the inside and outside a plurality of piston holes (224) of parent tube (22), be equipped with piston (225) in each piston hole (224), the sidewall of parent tube (22) is outside equipped with cutting ferrule (24), cutting ferrule (24) comprises that two are symmetrical set and half cutting ferrule (241) that size and shape is identical, along cutting ferrule (24) circumferentially, the outer wall of each half cutting ferrule (241) is equipped with draw-in groove (242), along cutting ferrule (24) axially, the two ends of each half cutting ferrule (241) are respectively equipped with teat (243) and lower teat (244), piston (225) is corresponding with the position of upper teat (243) and lower teat (244) respectively, upper press ring (21) and lower pressure ring (23) can both endwisely slipping along parent tube (22), upper press ring (21) is sheathed on outside parent tube (22) and the top connection (222), be provided with upper spring (211) between upper press ring (21) and the top connection (222), upper press ring (21) is by the top pressure of upper spring (211) and the upper end butt of cutting ferrule (24), lower pressure ring (23) is sheathed on outside parent tube (22) and the lower contact (223), be provided with lower spring (231) between lower pressure ring (23) and the lower contact (223), lower pressure ring (23) is by the top pressure of lower spring (231) and the lower end butt of cutting ferrule (24).
2. hydraulic control sliding sleeve that can surmount operation, comprise outer sleeve (7) and be arranged on the interior sliding sleeve (9) of outer sleeve (7), the two ends of sliding sleeve (9) and outer sleeve (7) are tightly connected and sliding sleeve (9) can endwisely slipping along outer sleeve (7), it is characterized in that: along sliding sleeve circumferentially, the inwall of sliding sleeve (9) contains the upper groove (91) of annular setting up and down and the low groove (92) of annular, the inwall of sliding sleeve (9) forms the boss (93) of annular between upper groove (91) and the low groove (92), boss (93) is complementary with the draw-in groove (242) described in the claim 1, upper groove (91) is complementary with the upper teat (243) described in the claim 1, and low groove (92) is complementary with the lower teat (244) described in the claim 1.
3. hydraulic control sliding sleeve according to claim 2, it is characterized in that: along the axis direction of inner sleeve (9), the length of upper groove (91) and low groove (92) is less than the length of boss (93).
4. hydraulic control sliding sleeve according to claim 2, it is characterized in that: the toroidal cavity (16) that between outer sleeve (7) and inner sleeve (9), is provided with sealing, in toroidal cavity (16), the first shoe cream room (161) that axially is connected with sealing in turn along outer sleeve (7), the sliding sleeve piston (163) of the annular that is fixedly connected with inner sleeve (9), second shoe cream room (162) of sealing, the described hydraulic control sliding sleeve that surmounts operation also comprises the fueller (4) that hydraulic oil is provided, hydraulicdirectional control valve (8) and be used for the control device (6) of control hydraulicdirectional control valve (8), hydraulicdirectional control valve (8) is the two-bit triplet electirc controlling hydraulic reversing valve, fueller (4) is communicated with the oil-in of hydraulicdirectional control valve (8), the first oil-out of hydraulicdirectional control valve (8) is communicated with the first shoe cream room (161), the second oil-out of hydraulicdirectional control valve (8) is communicated with the second shoe cream room (162), the volume of the hydraulic oil that fueller (4) can hold is 2 times of the first shoe cream room (161) volume at least, control device (6) can be controlled hydraulicdirectional control valve (8) makes fueller (4) only to the first shoe cream room (161) fuel feeding, or makes fueller (4) only to the second shoe cream room (162) fuel feeding.
5. hydraulic control sliding sleeve according to claim 4, it is characterized in that: fueller (4) comprises the outer cylinder sheath (42) of tubular and is sheathed on the interior inner cylinder liner (45) of outer cylinder sheath, the one end while of one end of outer cylinder sheath (42) and inner cylinder liner (45) and an end fixed seal connection of outer sleeve (7), the other end of outer cylinder sheath (42) is connected with the other end of inner cylinder liner (45), between outer cylinder sheath (42) and inner cylinder liner (45), form annular spatial accommodation (41), in annular spatial accommodation (41), the annular oil storage space (46) that axially is connected with sealing in turn along outer cylinder sheath, the energy storage space (47) of the oil cylinder piston (44) of annular and annular, be provided with the spring (43) that can promote oil cylinder piston (44) compression oil storage space (46) in the energy storage space (47), the internal communication of the inside of inner cylinder liner (45) and inner sleeve sliding sleeve (9), oil storage space (46) is communicated with the oil-in of hydraulicdirectional control valve (8), the internal communication of energy storage space (47) and inner cylinder liner (45).
6. hydraulic control sliding sleeve according to claim 5, it is characterized in that: the other end of fueller (4) is provided with circular upper union (1), the outer wall fixed seal connection of the inwall of the other end of outer cylinder sheath (42) and upper union (1) one end, the outer wall of the other end of inner cylinder liner (45) is connected with the inwall of upper union (1) one end, energy storage space (47) is adjacent with upper union (1), one end butt of one end of spring (43) and upper union (1), the other end of spring (43) and oil cylinder piston (44) butt, energy storage space (47) are communicated with by the slit between inner cylinder liner (45) and the upper union (1) with the inside of inner cylinder liner (45).
7. hydraulic control sliding sleeve according to claim 5, it is characterized in that: oil storage space (46) is adjacent with outer sleeve (7), the outer wall fixed seal connection of one end of the inwall of one end of outer cylinder sheath (42) and outer sleeve (7), the inwall fixed seal connection of an end of the outer wall of an end of inner cylinder liner (45) and outer sleeve (7).
8. hydraulic control sliding sleeve according to claim 4, it is characterized in that: the control module (62) of signal controlling hydraulicdirectional control valve (8) operation that control device (6) comprises antenna (61) for received RF signal, receive according to antenna (61), antenna (61) is arranged on the inner surface of outer sleeve (7), and control module (62) is arranged in the annular seal space (63) in the outer sleeve sidewall.
9. hydraulic control sliding sleeve according to claim 2, it is characterized in that: inner sleeve (9) is provided with a plurality of sandblasts hole (13), outer sleeve (7) is provided with and can be communicated with sandblast hole (13) spray-hole outside with outer sleeve (7), is provided with shear pin between outer sleeve (7) and the inner sleeve (9).
10. hydraulic control sliding sleeve according to claim 2, it is characterized in that: along the axis direction of inner sleeve (9), the external surface of inner sleeve (9) is provided with groove, is provided with the guide pin (15) that is fixedly connected with the inner surface of outer sleeve (7) in the groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310023553.4A CN103061709B (en) | 2013-01-22 | 2013-01-22 | Sliding sleeve control tool and the hydraulic control sliding sleeve of operation can be surmounted |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310023553.4A CN103061709B (en) | 2013-01-22 | 2013-01-22 | Sliding sleeve control tool and the hydraulic control sliding sleeve of operation can be surmounted |
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| CN103061709A true CN103061709A (en) | 2013-04-24 |
| CN103061709B CN103061709B (en) | 2015-11-18 |
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| CN201310023553.4A Active CN103061709B (en) | 2013-01-22 | 2013-01-22 | Sliding sleeve control tool and the hydraulic control sliding sleeve of operation can be surmounted |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN105019862A (en) * | 2015-03-23 | 2015-11-04 | 浙江大学 | Accumulator-driven sliding sleeve switch used for petroleum well completion |
| CN106050188A (en) * | 2016-06-01 | 2016-10-26 | 中国海洋石油总公司 | Intelligent sliding sleeve for multi-stage fracturing of horizontal well |
| CN106593351A (en) * | 2016-12-13 | 2017-04-26 | 中国石油天然气股份有限公司 | Cementing sliding sleeve |
| CN105507869B (en) * | 2014-09-26 | 2018-03-30 | 中国石油化工股份有限公司 | Sliding sleeve switch tubing string |
| CN108005631A (en) * | 2017-12-06 | 2018-05-08 | 东北石油大学 | A kind of modularization without it is differential can switching regulator fracturing sliding bush repeatedly |
| CN112761579A (en) * | 2021-01-29 | 2021-05-07 | 成都维锐泰达能源技术有限公司 | Slip linkage device for intelligent opening device, intelligent opening device and multistage fracturing intelligent control system |
| CN114059963A (en) * | 2020-07-31 | 2022-02-18 | 中国石油化工股份有限公司 | Underground pipe column and hydraulic opening tool for opening sliding sleeve switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105507869B (en) * | 2014-09-26 | 2018-03-30 | 中国石油化工股份有限公司 | Sliding sleeve switch tubing string |
| CN105003226A (en) * | 2014-11-20 | 2015-10-28 | 中国石油化工股份有限公司 | Electric-hydraulic dual-control energy storage type fracturing well completion switch and switch control method |
| CN105003226B (en) * | 2014-11-20 | 2017-09-12 | 中国石油化工股份有限公司 | Electro-hydraulic dual control energy storage type pressure break completion switch and method of controlling switch |
| CN105019862A (en) * | 2015-03-23 | 2015-11-04 | 浙江大学 | Accumulator-driven sliding sleeve switch used for petroleum well completion |
| CN105019862B (en) * | 2015-03-23 | 2017-05-24 | 浙江大学 | Accumulator-driven sliding sleeve switch used for petroleum well completion |
| CN106050188A (en) * | 2016-06-01 | 2016-10-26 | 中国海洋石油总公司 | Intelligent sliding sleeve for multi-stage fracturing of horizontal well |
| CN106050188B (en) * | 2016-06-01 | 2018-09-11 | 中国海洋石油集团有限公司 | A kind of horizontal well multistage fracturing intelligence sliding sleeve |
| CN106593351A (en) * | 2016-12-13 | 2017-04-26 | 中国石油天然气股份有限公司 | Cementing sliding sleeve |
| CN108005631A (en) * | 2017-12-06 | 2018-05-08 | 东北石油大学 | A kind of modularization without it is differential can switching regulator fracturing sliding bush repeatedly |
| CN114059963A (en) * | 2020-07-31 | 2022-02-18 | 中国石油化工股份有限公司 | Underground pipe column and hydraulic opening tool for opening sliding sleeve switch |
| CN112761579A (en) * | 2021-01-29 | 2021-05-07 | 成都维锐泰达能源技术有限公司 | Slip linkage device for intelligent opening device, intelligent opening device and multistage fracturing intelligent control system |
| CN112761579B (en) * | 2021-01-29 | 2024-05-10 | 成都维锐泰达能源技术有限公司 | Slip linkage device for intelligent opening device, intelligent opening device and multistage fracturing intelligent control system |
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