CN205225180U - Bridging plug - Google Patents
Bridging plug Download PDFInfo
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- CN205225180U CN205225180U CN201520818093.9U CN201520818093U CN205225180U CN 205225180 U CN205225180 U CN 205225180U CN 201520818093 U CN201520818093 U CN 201520818093U CN 205225180 U CN205225180 U CN 205225180U
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- bridging plug
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- sidewall
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Abstract
The utility model provides a bridging plug, it includes: the body that the lengthwise extends, set up in this internal first passageway, the cylinder that is connected with the body is provided with the second channel in, the second channel is linked together with first passageway, and the cylinder is held for the shutoff back to the one end of body, set up the first trompil on the cylinder, the second channel can be linked together through first trompil and body outside, set up the anchoring mechanism on the body lateral wall, set up the locking mechanism on the body lateral wall, the jam body on the body lateral wall is located to the cover, bridging plug has anchoring mechanism and the anchoring of oil pipe looks at least, and locking mechanism maintains the seat that blocks up body radial expansion and seals the state, set up the first casing in the cylinder, first casing has when bridging plug be in to sit seals the state, an operating condition of sealed first trompil and bridging plug remove sit the state of sealing before, remove the 2nd sealed operating condition to first trompil. The utility model discloses a mesh of the easy bridging plug of deblocking is provided.
Description
Technical field
The utility model relates to a kind of oil pipe capping tools, particularly relates to a kind of bridging plug.
Background technology
In In Oil Field Exploration And Development process, especially adopt in the work progresss such as layer position adjustment at formation testing, underground work, oil-gas Layer transformation, formation testing, note, usually will adopt the inner chamber of special oil pipe capping tools shutoff oil pipe, and be pulled out after operation completes.
The general seat of existing plain tubing capping tools is placed on oil pipe in preassembled seating nipple, so need to enter seating nipple down in advance at block-up position before shutoff oil pipe, which decreases the operating efficiency of oil pipe shutoff work.And do not need at present to use the waterpower of seating nipple to deliver formula oil pipe capping tools primarily of body, anchor body, seal receptacle, boosting plug composition, the position of delivery, by the water rate control suppressed, is therefore difficult to accurately control delivery location.
Bridging plug is a kind of special oil pipe capping tools, primarily of setting and the partly composition such as anchor mechanism, locking and solution sealing mechanism, adopting cable to deliver and setting, when setting, and the internal diameter of setting mechanism shutoff oil pipe, shutoff is accurately and reliably; But because bridging plug external and internal pressure is uneven during deblocking, often there is deblocking difficulty, thus have impact on operating efficiency.
Utility model content
The purpose of this utility model is to provide a kind of bridging plug being easy to deblocking.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize: a kind of bridging plug, and it comprises: the body that lengthwise extends; Be arranged at described intrinsic first passage; The cylinder be connected with described body, is provided with second channel in described cylinder; Described second channel is connected with described first passage, and described cylinder is shutoff end back to one end of described body; Be arranged at the first perforate on described cylinder, described second channel is connected with described body exterior by described first perforate; Be arranged at the anchor mechanism on described body sidewall; Be arranged at the retaining mechanism on described body sidewall; Be sheathed on the blockage body on described body sidewall; Described bridging plug at least has described anchor mechanism and the grappling of oil pipe phase, and what described retaining mechanism maintained described blockage body expanded radially sets state; Be arranged at the first housing in described cylinder; Described first housing has when setting state described in described bridging plug is in, seal described first perforate the first duty and before setting state described in described bridging plug is removed, remove the second duty of the sealing to described first perforate.
Preferably, described first housing comprises the Part I being positioned at described first perforate and the Part II being positioned at described second channel, and described Part II can seal described first perforate.
Preferably, the external diameter of described Part I is equal with the internal diameter of described first perforate; Described Part I has the end face back to described Part II, and described end face is recessed to form the first groove to the direction near described Part II, and described first groove comprises the extension being positioned at described Part II.
Preferably, described seal is formed with the first protuberance protruding described body sidewall in the circumferential, described first protuberance and described blockage body adjacent; Described blockage body is adjacent back to the side of described first protuberance is connected to supporter; Described anchor mechanism comprises the second housing being arranged at described body sidewall, is provided with the second inner chamber in described second housing, is provided with the anchor log adjacent back to the side of described blockage body with described supporter in described second inner chamber; The sidewall of described second housing forms at least one second perforate; Described anchor log comprises the bottom stretching out described second perforate, and described bottom face is to the side indentation of described second perforate.
Preferably, faced by described supporter, the end face of described anchor log is inclined-plane, and described anchor log is inclined-plane in the face of the side of described supporter.
Preferably, described supporter is fixed by the first fixture and described body, and described first fixture will rupture under predetermined pulling force.
Preferably, described anchor mechanism comprises: the connector be connected with described second housing, described retaining mechanism comprises: be arranged at the solution sealing on described body sidewall and salvage part, described solution sealing is connected with described connector, described salvaging part is connected with described solution sealing one end back to described connector, and described salvaging part can match with unsealing tool.
Preferably, one end that described salvaging part is connected with described solution sealing has the surface in the face of described body, described surface has been recessed to form the second groove towards the direction away from described body, locking member is provided with in described second groove, described locking member comprises the first locking member and the second locking member, described first locking member has in the face of the first inner surface of described body and the first external surface back to described body, described first inner surface has been recessed to form the 3rd groove towards away from described body direction, the sidewall of described body protrudes towards the direction away from described body and is formed with the first projection, described first projection can be contained in described 3rd groove, described second locking member has in the face of the second inner surface of described body and the second external surface back to described body, described first external surface and described second contacted inner surfaces lean on, described second external surface and the described side of the second groove surface to described body lean.
Preferably, described salvaging part is sheathed on the sidewall of described body; Described solution sealing is sheathed on the sidewall of described body; Described second groove is ring-type; Described first external surface is a taper seat, and described first external surface has in the face of the end face of described salvaging part and the bottom surface back to described salvaging part, and described top surface area is greater than described base area; Described second inner surface is taper seat.
Preferably, described salvaging part is fixed by the second fixture and described solution sealing, and described second fixture will rupture under predetermined pulling force.
The beneficial effect of a kind of bridging plug that the utility model provides is: the utility model is by arranging first passage in body, the cylinder be connected with body, is provided with second channel in cylinder, second channel is connected with first passage, and cylinder is shutoff end back to one end of body, be arranged at the first perforate on cylinder, the first housing is provided with in cylinder, first housing have when bridging plug be in set state time, seal the first perforate the first duty and bridging plug remove set state before, remove the second duty to the sealing of the first perforate, make before bridging plug releasing sets state, first passage is connected with body exterior by the first opening, achieve when needing the bridging plug provided the utility model to carry out deblocking, first enter in body under special unsealing tool is in first passage, remove cylinder to the sealing of the first perforate, thus first passage is connected with body exterior by the first opening, thus ensure that the pressure balance of this inside and outside, thus when making deblocking, the deblocking power removing anchor mechanism and blockage mechanism reduces, thus be conducive to the deblocking of bridging plug, deblocking is made to become easy, thus achieve the utility model a kind of object being easy to the bridging plug of deblocking is provided.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 a kind of structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1.The utility model provides a kind of bridging plug, and it comprises: the body 11 that lengthwise extends; Be arranged at the first passage 13 in described body 11; The cylinder 15 be connected with described body 11, is provided with second channel 17 in described cylinder 15; Described second channel 17 is connected with described first passage 13, and described cylinder 15 is shutoff end back to one end of described body 11; Be arranged at the first perforate 72 on described cylinder 15, described second channel 17 is connected with described body 11 outside by described first perforate 72; Be arranged at the anchor mechanism 16 on described body 11 sidewall; Be arranged at the retaining mechanism 18 on described body 11 sidewall; Be sheathed on the blockage body 25 on described body 11 sidewall; Described bridging plug at least has described anchor mechanism 16 and the grappling of oil pipe phase, and what described retaining mechanism 18 maintained the expanded radially of described blockage body 25 sets state; Be arranged at the first housing 21 in described cylinder 15; Described first housing 21 has when setting state described in described bridging plug is in, seal described first perforate 72 the first duty and before setting state described in described bridging plug is removed, remove the second duty of the sealing to described first perforate 72.
The utility model is by arranging first passage 13 in body 11, the cylinder 15 be connected with body 11, is provided with second channel 17 in cylinder 15, second channel 17 is connected with first passage 13, and cylinder 15 is shutoff end back to one end of body 11, be arranged at the first perforate 72 on cylinder 15, the first housing is provided with in cylinder 15, first housing 21 have when bridging plug be in set state time, seal the first perforate 72 the first duty and bridging plug remove set state before, remove the second duty to the sealing of the first perforate 72, make before bridging plug releasing sets state, first passage 13 is connected with body 11 outside by the first opening 70, achieve when needing the bridging plug provided the utility model to carry out deblocking, first enter in body 11 under special unsealing tool is in first passage 13, remove cylinder 15 to the sealing of the first perforate 72, thus first passage 13 is connected with body 11 outside by the first opening 70, thus ensure that the pressure balance inside and outside body 11, thus when making deblocking, the deblocking power removing anchor mechanism and blockage mechanism reduces, thus be conducive to the deblocking of bridging plug, deblocking is made to become easy, thus achieve the utility model a kind of object being easy to the bridging plug of deblocking is provided.
As shown in Figure 1, in the present embodiment, lengthwise extend body 11, body 11 have back to first end 50 and the second end 52; This first end 50 can be used for being connected with setting tool, and set pulling force to be provided to this body 11 by setting tool, this first end 50 also can be used for being connected with unsealing tool, to realize deblocking by unsealing tool.Be provided with first passage 13 in body 11, body 11 be provided with the first opening 70, first passage 13 is connected with body 11 outside by the first opening 70.In the present embodiment, this first passage 13 runs through body 11 from first end to the second end and forms the first opening 70 at the second end of body 11.Before deblocking, special tool by entering under first end in this first passage 13, thus makes body 11 be connected with outside by this first passage 13, makes deblocking become easy.
The cylinder 15 be connected with body 11, the sealing to the first opening 70 is removed before the sealing that this cylinder 15 can be removed oil pipe at blockage body 25, first passage 13 is connected with body 11 outside by the first opening 70, thus ensure that the pressure balance inside and outside body 11, thus be conducive to the deblocking of bridging plug, make deblocking become easy.Thus achieve the utility model a kind of object being easy to the bridging plug of deblocking is provided.
Be provided with second channel 17 in this cylinder 15, cylinder 15 is connected with body 11 by second channel 17.In the present embodiment, this connection can for being threaded, but this type of attachment is not limited thereto, and also can be other connected mode, such as, weld.Second channel 17 is connected with first passage 13 by the first opening 70, thus before deblocking, special tool can be lowered in second channel 17 by first passage 13.Cylinder 15 is shutoff end back to one end of body 11, thus the shutoff to second channel 17 when realizing setting by this shutoff end.
Cylinder 15 is provided with the first perforate 72, second channel 17 is connected with body 11 outside by the first perforate 72, the first housing 21 is provided with in cylinder 15, this first housing 21 have when bridging plug be in set state time, seal the first perforate 72 the first duty and bridging plug remove set state before, remove the second duty of the sealing to the first perforate 72; Thus when needing the bridging plug provided the utility model to carry out deblocking, first special tool in first passage 13 under enter in body 11, first housing 21 is removed the sealing of the first perforate thus first passage 13 is connected with body 11 outside, thus ensure that the pressure balance inside and outside body 11, thus be conducive to the deblocking of bridging plug, make deblocking become easy.Cylinder 15 is formed with the first protuberance 23 protruding body 11 sidewall in the circumferential.
In the present embodiment, the first housing 21 comprises the Part I 54 being positioned at the first perforate 72 and the Part II 56 being positioned at second channel 17, and this Part II 56 can seal described first perforate 72.
In the present embodiment, the external diameter of this Part I 54 is equal with the internal diameter of the first perforate 72; Part I 54 has the end face back to Part II 56, and end face is recessed to form the first groove 12, first groove 12 to the direction near Part II 56 and comprises the extension being positioned at Part II.When needing the bridging plug provided the utility model to carry out deblocking, first special tool in first passage 13 under enter in body 11, removed the Part II 56 of the first housing in cylinder 15 again by second channel 17 with special tool, thus second channel 17 is connected with cylinder 15 outside by the first groove 12.
The sidewall sheath of body 11 is provided with blockage body 25, and this blockage body 25 from the state radial contraction of expanded radially, thus can remove the sealing to oil pipe.Blockage body 25 has expanded radially thus blocking the 3rd duty of oil pipe and the state radial contraction from expanded radially, thus the 4th duty removed the sealing of oil pipe, when blockage mechanism is in the 3rd duty, the bridging plug that the utility model provides can the optional position of shutoff oil pipe, when blockage mechanism is in the 4th duty, the bridging plug that the utility model provides can be taken out by from oil pipe, thus reaches the object of recycling.
In the present embodiment, this blockage body 25 and the first protuberance 23 adjacent, thus when setting, by well head direction lift body 11, make the cylinder 15 be connected with body 11 can apply active force to blockage body 25, thus blockage body 25 radially expanded.In the present embodiment, the material of this blockage body 25 is rubber.
In the present embodiment, the bridging plug that the utility model provides also comprises: be arranged at the anchor mechanism 16 on body 11 sidewall.This anchor mechanism 16 can remove the state with the grappling of oil pipe phase, thus makes blockage body 25 remove sealing to oil pipe.
This anchor mechanism 16 comprises the second housing 45, second housing 45 being arranged at body 11 sidewall to be had and the 9th end 66 and the tenth end the 68, nine end 66 is provided with the 4th opening the 76, nine end 66 and has the second inner face 47 towards the second inner chamber 49.The sidewall that this second housing 45 is formed with the 7th opening 82, second housing 45 on the tenth end 68 forms at least one second perforate.In the present embodiment, this second perforate is two, i.e. the 5th opening 78 and the 6th opening 80; The second inner chamber 49 is provided with in second housing 45.
In the present embodiment, this anchor mechanism 16 also comprises the anchor log 35 adjacent back to the side of blockage body 25 with supporter 27 be arranged in the second inner chamber 49.Anchor log 35 comprises the bottom 41 stretching out the second perforate, particularly, in the present embodiment, this anchor log 35 comprise can stretch out the 6th opening top 37, the bottom 41 of the 5th opening and the mid portion 39 between top 37 and bottom 41 can be stretched out, this bottom 41 is in the face of the side indentation of the second perforate, and bottom 41 is inclined-plane back to the side of the 5th opening 78; Top 37 is inclined-plane back to the side of the 6th opening 80, the side indentation of the 6th opening 80 faced by top 37, when the 5th opening 78 is stretched out, when the 6th opening 80 is stretched out on top 37 in bottom 41, the jagged side of anchor log 35 embeds the inwall of oil pipe, thus with the grappling of oil pipe phase.When bottom 41 shrinks back the second inner chamber 49 by the 5th opening 78, top 37 shrinks back the second inner chamber 49 by the 6th opening 80, and the inwall of oil pipe is left in jagged side, thus removes the state with the grappling of oil pipe phase.
As shown in Figure 1, in the present embodiment, be provided with elastic component 43 in second inner chamber 49, one end of elastic component 43 is connected with the inwall of inner cavity surface to mid portion 39, and the other end is connected with mid portion 39, thus when supporter 27 extrudes mid portion 39, mid portion 39 compression elastic piece 43, makes elastic component 43 be in compressive state, thus during deblocking, anchor log 35 under the effect of elastic component 43, can shrink back the second inner chamber 49.In the present embodiment, this elastic component 43 is spring, and the embodiment of this elastic component 43 is not limited thereto, and can also have other embodiment, such as sheet spring.
As shown in Figure 1, in the present embodiment, this anchor mechanism 16 also comprises: the connector 51 be connected with the second housing 45, this connector 51 have back to first paragraph 53 and second segment 55, connector 51 is formed with the second protuberance 57 protruding first paragraph 53 sidewall on second segment 55; First paragraph 53 is connected with the 8th end 64 through the 4th opening 76, and the second protuberance 57 and the second inner face 47 lean; Second segment 55 is inclined-plane in the face of the side on top 37, thus when body 11 moves along the direction of the second end 52 to first end 50, this second housing 45 is under the drive of supporter 27, anchor log 35 is driven to move from the tenth end 68 to the 9th end 66, thus the inclined-plane on anchor log 35 top 37 and the inclined-plane of second segment 55 lean, and lean with mid portion 39, thus mid portion 39 is extruded to the direction away from body 11, thus make top 37 stretch out the 6th opening 80, thus jagged side is made to embed the inwall of oil pipe.And when connector 51 moves along the tenth end 68 to the direction of the 9th end 66, this second housing 45 is under the drive of connector 51, move from the tenth end 68 to the 9th end 66, thus the inclined-plane on the inclined-plane of connector 51 second segment 55 and anchor log 35 top 37 is separated, the inclined-plane of the front end 29 of supporter 27 and the inclined-plane of anchor log 35 bottom 41 are separated, mid portion 39 moves to the direction near body 11 under the effect of the elastic force of elastic component 43, thus make bottom 41 shrink back the second inner chamber 49 by the 5th opening 78, top 37 shrinks back the second inner chamber 49 by the 6th opening 80, thus the inwall of oil pipe is left in jagged side, thus remove the state fixed with oil pipe.
In the present embodiment, the bridging plug that the utility model provides also comprises: the supporter 27 adjacent back to the side of the first protuberance 23 with blockage body 25.This supporter 27 have back to front end 29 and rear end 31, front end 29 is stretched in the second inner chamber 49 through the 7th opening 82, and rear end 31 is adjacent with blockage body 25.Front end 29 is inclined-plane in the face of the side of bottom 41.Supporter 27 is fixed by the first fixture and body 11, and the first fixture will rupture under predetermined pulling force.In the present embodiment, this first fixture is the second shear pin 33.In the present embodiment, rear end 31 is fixed with body 11 by the second shear pin 33.Thus when setting tool pulls body 11 to move along the direction of the second end 52 to first end 50, body 11 drives blockage body 25 to move.Thus this supporter 27 is under the drive of body 11, move from the tenth end 68 of the second housing 45 to the 9th end 66, the inclined-plane of front end 29 and the inclined-plane of anchor log 35 bottom 41 lean, and move to and lean with mid portion 39, thus mid portion 39 is extruded to the direction away from body 11, thus make bottom 41 stretch out the 5th opening 78, thus jagged side is made to embed the inwall of oil pipe.When active force more than the second shear pin 33 of the pulling force of setting tool, second shear pin 33 ruptures, thus under body 11 pulls, the front end 29 of supporter 27 maintains and applies active force to anchor log 35 on the one hand, thus make anchor log 35 be maintained at the duty of grappling, cylinder 15 compression blockage body 25 under the pulling of body 11, makes blockage body 25 radially expand on the other hand, thus blocking oil pipe.
As shown in Figure 1, in the present embodiment, the bridging plug that the utility model provides also comprises: be arranged at the retaining mechanism 18 on body 11 sidewall, and this retaining mechanism 18 can make anchor mechanism 16 remove the state with the grappling of oil pipe phase.This retaining mechanism 18 comprises: be arranged at the solution sealing 73 on body 11 sidewall and salvage part 59, this solution sealing 73 is connected with connector 51, and this salvaging part 59 is connected with solution sealing 73 one end back to connector 51, and salvaging part 59 can match with unsealing tool.
As shown in Figure 1, in the present embodiment, this salvaging part 59 have back to five terminal 58 and the 6th end 60; Be provided with shoulder 61 in five terminal 58, this shoulder 61 for matching with unsealing tool, thus pulls salvaging part 59 to move along the 6th end 60 to the direction of five terminal 58, thus provides interior bridging plug to carry out deblocking to the utility model.Be arranged at the curved point 63 on the 6th end 60, the 6th end 60 is segmented into the outer end 65 near five terminal 58 and the inner 67 near the 6th end 60 by curved point 63, is formed with a bent angle between the bearing of trend of outer end 65 and the bearing of trend of inner 67.
This solution sealing 73 comprise back to the 7th end 62 and the 8th end 64; 8th end 64 is connected with the first paragraph 53 of connector 51.In the present embodiment, this connected mode is for being threaded, but this connected mode is not limited thereto, and can also have other embodiment, such as, weld.Separate in sealing 73 and be provided with the first inner chamber 84; Be arranged at the 3rd opening 74 on the 7th end 62; First inner chamber 84 is connected with the 3rd opening 74; 7th end 62 has the first inner face 71 towards the first inner chamber 84; Salvaging part 59 stretches in the first inner chamber 84 by the 3rd opening 74, and salvaging part 59 has inner 67 and is fixed in the first inner chamber 84 away from the 5th duty of the side of the first inner face 71 and six duty of the inner 67 against the first inner face 71.This salvaging part 59 is fixed by the second fixture and solution sealing 73, and this second fixture will rupture under predetermined pulling force.In the present embodiment, this second fixture is the first shear pin 69.In the present embodiment, the side away from the first inner face 71 in the first inner chamber 84 is fixed on by the first shear pin 69 in the inner 67 of this salvaging part 59, fix with solution sealing 73 to make salvaging part 59, when deblocking, pull and salvage part 59, rupture to make the first shear pin 69, now salvage part 59 to be cancelled with the fixing of solution sealing 73, under the effect of pulling force, salvage the direction of part 59 along the 8th end 64 to the 7th end 62 in the first inner chamber 84 to move, when the bent angle salvaging part 59 moves to the 3rd opening 74, salvage the inner 67 of part 59 against the first inner face 71, thus drive solution sealing 73 to move.
As shown in Figure 1, in the present embodiment, one end that salvaging part 59 is connected with solution sealing 73 has the surface in the face of body 11, this surface has been recessed to form the second groove 79 towards the direction away from body 11, locking member is provided with in this second groove 79, this locking member comprises the first locking member 75 and the second locking member 77 be arranged in the second groove 79, first locking member 75 has in the face of the first inner surface of body 11 and the first external surface back to body 11, first inner surface has been recessed to form the 3rd groove towards away from body 11 direction, second locking member 77 has in the face of the second inner surface of body 11 and the second external surface back to body 11, first external surface and the second contacted inner surfaces lean on, second external surface and the second groove 79 lean in the face of the side of body 11, and the sidewall of body 11 protrudes towards the direction away from body 11 and is formed with the first projection, and the first projection can be contained in the 3rd groove.
In the present embodiment, the first external surface is an inclined-plane, is formed with an oblique angle between the direction of inclined-plane and the second end 52 to first end 50, and oblique angle is acute angle, second inner surface is inclined-plane, thus when body 11 moves along the direction of the second end 52 to first end 50, produce between first external surface of the first locking member 75 and the second inner surface of the second locking member 77 and slide, because be formed with an oblique angle between the direction of this first external surface and the second end 52 to first end 50, and oblique angle is acute angle, thus body 11 can be moved freely, thus when body 11 is moved along the direction of the second end 52 to first end 50, first body 11 drives supporter 27 pairs of anchor logs 35 to apply active force, thus make anchor log 35 stretch out the second perforate, thus anchor log 35 and oil pipe fix, then body 11 pairs of blockage bodies 25 apply active force, blockage body 25 is radially expanded, thus blocking oil pipe, when the releaser 83 be connected with body 11 ruptures, when body 11 moves along the direction of first end 50 to the second end 52, produce between first external surface of the first locking member 75 and the second inner surface of the second locking member 77 and slide, because be formed with an oblique angle between the direction of this first external surface and the second end 52 to first end 50, and oblique angle is acute angle, thus when body 11 moves along the direction of first end 50 to the second end 52, produce between this first locking member 75 and second locking member 77 and extrude, and this first locking member 75 and the second locking member 77 are contained in the second groove 79, this second groove 79 is fixed by the first shear pin 69 by solution sealing 73, and the first projection of body 11 is contained in the first groove 12, thus body 11 is limited along the movement in the direction of first end 50 to the second end 52, thus anchor mechanism 16 is maintained at duty that the duty of oil pipe phase grappling and blockage body 25 are maintained at blocking oil pipe.
As shown in Figure 1, in the present embodiment, salvaging part 59 is sheathed on the sidewall of body 11; Separating sealing 73 is sheathed on the sidewall of body 11; Second groove 79 is ring-type; First external surface is a taper seat, and the first external surface has in the face of the end face of first end 50 and the bottom surface back to first end 50, and top surface area is greater than base area; Second inner surface is taper seat.In the present embodiment, this first locking member 75 is two lobe Split type structures, thus when body 11 moves along the direction of first end 50 to the second end 52, this two lobes Split type structure phase split, the first external surface forms taper seat; Second locking member 77 is pintongs Split type structure, thus when body 11 moves along the direction of first end 50 to the second end 52, this pintongs Split type structure phase split, second inner surface forms taper seat, this first inner surface and the second external surface lean, and restriction body 11 is along the movement in the direction of first end 50 to the second end 52.
During deblocking, after using fishing tool to act on the shoulder 61 salvaging part 59, fishing tool pulls salvages part 59, salvaging part 59 is made to be converted to the 6th duty by the 5th duty, first shear pin 69 ruptures, now salvage part 59 to be cancelled with the fixing of solution sealing 73, thus the second groove 79 is cancelled by the state that solution sealing 73 is fixed by the first shear pin 69, thus removed locking member to the locking of body 11.
As shown in Figure 1, in the present embodiment, the releaser 83 be connected with body 11 first end 50, this releaser 83 can be broken by scheduled pulling force, this releaser 83 is for being connected with setting tool, thus setting tool is connected with body 11, when setting, setting tool pulls releaser 83 to drive body 11 to move along the direction of the second end 52 to first end 50, supporter 27 is made to open anchor log 35, blockage body 25 expanded radially shutoff oil pipe, when setting pulling force and being greater than predetermined pulling force, releaser 83 is pulled off, thus body 11 and setting tool are separated, but now retaining mechanism 18 limits body 11 and moves along the direction of first end 50 to the second end 52, thus make anchor log 35 be maintained at open mode, blockage body 25 is maintained at the state of shutoff oil pipe.
The foregoing is only several embodiment of the present utility model, those skilled in the art can carry out various change or modification to the utility model embodiment according to content disclosed in application documents and not depart from spirit and scope of the present utility model.
Claims (10)
1. a bridging plug, is characterized in that, it comprises:
The body that lengthwise extends;
Be arranged at described intrinsic first passage;
The cylinder be connected with described body, is provided with second channel in described cylinder; Described second channel is connected with described first passage, and described cylinder is shutoff end back to one end of described body;
Be arranged at the first perforate on described cylinder, described second channel is connected with described body exterior by described first perforate;
Be arranged at the anchor mechanism on described body sidewall;
Be arranged at the retaining mechanism on described body sidewall;
Be sheathed on the blockage body on described body sidewall;
Described bridging plug at least has described anchor mechanism and the grappling of oil pipe phase, and what described retaining mechanism maintained described blockage body expanded radially sets state;
Be arranged at the first housing in described cylinder; Described first housing has when setting state described in described bridging plug is in, seal described first perforate the first duty and before setting state described in described bridging plug is removed, remove the second duty of the sealing to described first perforate.
2. bridging plug according to claim 1, is characterized in that: described first housing comprises the Part I being positioned at described first perforate and the Part II being positioned at described second channel, and described Part II can seal described first perforate.
3. bridging plug according to claim 2, is characterized in that: the external diameter of described Part I is equal with the internal diameter of described first perforate; Described Part I has the end face back to described Part II, and described end face is recessed to form the first groove to the direction near described Part II, and described first groove comprises the extension being positioned at described Part II.
4. bridging plug according to claim 3, is characterized in that:
Described seal is formed with the first protuberance protruding described body sidewall in the circumferential, described first protuberance and described blockage body adjacent;
Described blockage body is adjacent back to the side of described first protuberance is connected to supporter;
Described anchor mechanism comprises the second housing being arranged at described body sidewall, is provided with the second inner chamber in described second housing, is provided with the anchor log adjacent back to the side of described blockage body with described supporter in described second inner chamber; The sidewall of described second housing forms at least one second perforate; Described anchor log comprises the bottom stretching out described second perforate, and described bottom face is to the side indentation of described second perforate.
5. bridging plug according to claim 4, is characterized in that: faced by described supporter, the end face of described anchor log is inclined-plane, and described anchor log is inclined-plane in the face of the side of described supporter.
6. bridging plug according to claim 5, is characterized in that: described supporter is fixed by the first fixture and described body, and described first fixture will rupture under predetermined pulling force.
7. bridging plug according to claim 6, it is characterized in that, described anchor mechanism comprises: the connector be connected with described second housing, described retaining mechanism comprises: be arranged at the solution sealing on described body sidewall and salvage part, described solution sealing is connected with described connector, described salvaging part is connected with described solution sealing one end back to described connector, and described salvaging part can match with unsealing tool.
8. bridging plug according to claim 7, it is characterized in that: one end that described salvaging part is connected with described solution sealing has the surface in the face of described body, described surface has been recessed to form the second groove towards the direction away from described body, locking member is provided with in described second groove, described locking member comprises the first locking member and the second locking member, described first locking member has in the face of the first inner surface of described body and the first external surface back to described body, described first inner surface has been recessed to form the 3rd groove towards away from described body direction, the sidewall of described body protrudes towards the direction away from described body and is formed with the first projection, described first projection can be contained in described 3rd groove, described second locking member has in the face of the second inner surface of described body and the second external surface back to described body, described first external surface and described second contacted inner surfaces lean on, described second external surface and the described side of the second groove surface to described body lean.
9. bridging plug according to claim 8, is characterized in that: described salvaging part is sheathed on the sidewall of described body; Described solution sealing is sheathed on the sidewall of described body; Described second groove is ring-type; Described first external surface is a taper seat, and described first external surface has in the face of the end face of described salvaging part and the bottom surface back to described salvaging part, and described top surface area is greater than described base area; Described second inner surface is taper seat.
10. bridging plug according to claim 9, is characterized in that: described salvaging part is fixed by the second fixture and described solution sealing, and described second fixture will rupture under predetermined pulling force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520818093.9U CN205225180U (en) | 2015-10-21 | 2015-10-21 | Bridging plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520818093.9U CN205225180U (en) | 2015-10-21 | 2015-10-21 | Bridging plug |
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| Publication Number | Publication Date |
|---|---|
| CN205225180U true CN205225180U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520818093.9U Active CN205225180U (en) | 2015-10-21 | 2015-10-21 | Bridging plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225180U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761540A (en) * | 2017-01-04 | 2017-05-31 | 廊坊开发区森德石油设备有限公司 | A kind of optional position is two-way to set bridging plug |
| CN110847853A (en) * | 2019-11-15 | 2020-02-28 | 大庆市海兴石油科技发展有限公司 | Self-adaptive high-performance bridge plug |
| CN111021984A (en) * | 2018-10-09 | 2020-04-17 | 中国石油天然气股份有限公司 | Horizontal well shaft control device |
-
2015
- 2015-10-21 CN CN201520818093.9U patent/CN205225180U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761540A (en) * | 2017-01-04 | 2017-05-31 | 廊坊开发区森德石油设备有限公司 | A kind of optional position is two-way to set bridging plug |
| CN106761540B (en) * | 2017-01-04 | 2022-11-01 | 廊坊开发区森德石油设备有限公司 | Random position bidirectional setting bridge plug |
| CN111021984A (en) * | 2018-10-09 | 2020-04-17 | 中国石油天然气股份有限公司 | Horizontal well shaft control device |
| CN110847853A (en) * | 2019-11-15 | 2020-02-28 | 大庆市海兴石油科技发展有限公司 | Self-adaptive high-performance bridge plug |
| CN110847853B (en) * | 2019-11-15 | 2020-06-23 | 大庆市海兴石油科技发展有限公司 | Self-adaptive high-performance bridge plug |
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Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: China National Petroleum Corp. Patentee after: CNPC Drilling Engineering Technology Research Institute Co.,Ltd. Patentee after: BEIJING PETROLEUM MACHINERY FACTORY Address before: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee before: China National Petroleum Corp. Patentee before: DRILLING RESEARCH INSTITUTE OF CHINA NATIONAL PETROLEUM Co. Patentee before: BEIJING PETROLEUM MACHINERY FACTORY Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC ENGINEERING TECHNOLOGY R & D Co.,Ltd. Patentee after: BEIJING PETROLEUM MACHINERY Co.,Ltd. Address before: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee before: China National Petroleum Corp. Patentee before: CNPC Drilling Engineering Technology Research Institute Co.,Ltd. Patentee before: BEIJING PETROLEUM MACHINERY FACTORY |
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Effective date of registration: 20230620 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC ENGINEERING TECHNOLOGY R & D Co.,Ltd. Patentee after: BEIJING PETROLEUM MACHINERY Co.,Ltd. Patentee after: BEIJING KEMBL PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee before: CHINA NATIONAL PETROLEUM Corp. Patentee before: CNPC ENGINEERING TECHNOLOGY R & D Co.,Ltd. Patentee before: BEIJING PETROLEUM MACHINERY Co.,Ltd. |