CN205714079U - A kind of inclined shaft injection packer capable of being used for washing well - Google Patents
A kind of inclined shaft injection packer capable of being used for washing well Download PDFInfo
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- CN205714079U CN205714079U CN201620400600.1U CN201620400600U CN205714079U CN 205714079 U CN205714079 U CN 205714079U CN 201620400600 U CN201620400600 U CN 201620400600U CN 205714079 U CN205714079 U CN 205714079U
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Abstract
This utility model provides a kind of inclined shaft injection packer capable of being used for washing well, including top connection, fixing connection central canal and well-flushing mechanism below described top connection, described central canal outer wall is set with threaded described well-flushing mechanism the most successively, sealing mechanism, retaining mechanism, solve sealing mechanism and setting mechanism, arrange below described setting mechanism and there is the anti-error seat mechanism preventing packer midway from setting, lower contact is connected below described anti-error seat mechanism, it is respectively provided with well-flushing passage inside described well-flushing mechanism and described retaining mechanism, well-flushing passage is formed between the internal and described central canal of described sealing mechanism.Beneficial effect: inclined shaft injection packer capable of being used for washing well described in the utility model, uses three grades of fluid cylinders, bears pressure reduction big, and setting force is strong, repeatable sets deblocking, substantially increases the qualification rate being constructed into power and dispensing.
Description
Technical field
This utility model belongs to oil field well separate zone waterflooding technology field, especially relates to a kind of inclined shaft injection packer capable of being used for washing well.
Background technology
For a long time, the water injection packer that water injection well in oil fields uses is big in hole deviation, oil reservoir is deep, injection water quality is defective, well-flushing flow process does not matches, termination of pumping frequently and also exist when pump pressure shakiness set weak effect, the obstructed and problem of inconvenient operation washed by deblocking difficulty, well-flushing, cause that to be constructed into power low, dispensing qualification rate is lower, and existing water injection packer can not meet production needs.
Summary of the invention
In view of this, this utility model is directed to a kind of inclined shaft injection packer capable of being used for washing well, to solve the problem that existing water injection packer sets weak effect, obstructed, inconvenient operation washed by deblocking difficulty, well-flushing and dispensing qualification rate is low.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of inclined shaft injection packer capable of being used for washing well, including top connection, central canal, well-flushing mechanism, sealing mechanism, retaining mechanism, solve sealing mechanism, setting mechanism, anti-error seat mechanism and lower contact, the lower section of described top connection is fixing connects described central canal and described well-flushing mechanism, described central canal outer wall is set with threaded described well-flushing mechanism the most successively, described sealing mechanism, described retaining mechanism, described solution sealing mechanism and described setting mechanism, arrange below described setting mechanism and there is the described anti-error seat mechanism preventing packer midway from setting, described lower contact is connected below described anti-error seat mechanism, it is respectively provided with well-flushing passage inside described well-flushing mechanism and described retaining mechanism, well-flushing passage is formed between the internal and described central canal of described sealing mechanism.
nullFurther，Described well-flushing mechanism includes spring、Well-flushing valve pocket、Spring base、Well-flushing valve plug、Compacting ring、Rubber seal and band valve face packing element joint，Described well-flushing valve pocket is the top internal diameter hollow cylinder structure less than lower section internal diameter，Formed above described flushing valve set and between described central canal radial direction by No. two " O " type cushion rubbers and seal，Hollow cavity is formed between lower section and the described central canal of described well-flushing valve pocket，Described hollow cavity top contacts with described spring top，The lower section of described spring is fixing with described spring base to be connected，The lower section of described spring base arranges described well-flushing valve plug，Formed by No. three " O " type cushion rubbers between described well-flushing valve plug and described central canal radial direction and seal，Formed by described No. two " O " type cushion rubbers and described compacting ring between described well-flushing valve plug and described well-flushing valve pocket radial direction and seal，The lower section of described well-flushing valve plug is sealed by described rubber seal，Below described well-flushing valve pocket, well-flushing passage is set，Below described well-flushing passage, inwall is connected with described band valve face packing element joint screw thread.
Further, described sealing mechanism includes exterior central tube, a number packing element, a number spacer ring, No. two packing elements, No. two spacer rings, No. three packing elements and pressure cap, it is connected with described band valve face packing element joint screw thread above described exterior central tube, formed by No. four " O " type cushion rubbers between described exterior central tube and described band valve face packing element joint radial direction and seal, described exterior central tube is the hollow cylinder structure arranging boss below outer wall, the most nested described packing element above described boss, a described spacer ring, described No. two packing elements, described No. two spacer rings, described No. three packing elements and described pressure cap, formed by No. five " O " type cushion rubbers between described pressure cap and described exterior central tube radial direction and seal, a described packing element is long packing element type, described No. two packing elements and described No. three packing elements are short rubber cylinder.
Further, described retaining mechanism includes a fixing screw, point claw, lock tube, described point of claw with threaded below described exterior central tube after, by described fixing screw realize with described exterior central tube circumferentially fixed, described point of claw is respectively provided with, with described lock tube inwall, the unidirectional pawl gingival cyst of mucous gland in the newborn structure that can realize one-way locking, described lock tube outer wall is threadeded with described pressure cap, and described lock tube outer wall arranges well-flushing passage.
Further, described solution sealing mechanism includes solving big envelope, No. two fixing screws and retainer ring, in the middle of the inwall of described solution big envelope, boss is set, inside described boss, notch is set, described No. two fixing screws make described solution big envelope and the fixing connection of described central canal through described notch, and described central canal arranges the draw-in groove being used for installing described retainer ring below described boss.
nullFurther，Described setting mechanism includes a piston、A number fixed piston、A number fluid cylinder set、No. two pistons、No. two fixed pistons、No. two fluid cylinder sets、No. three pistons、No. three fixed pistons、With No. three fluid cylinder sets，Below described No. three liquid inboard wall of cylinder liner, draw-in groove is set，A described piston、A described fluid cylinder set、Described No. two pistons、Described No. two fluid cylinder sets、Described No. three pistons and described No. three fluid cylinders set are from top to bottom fixedly connected sequentially by screw thread and form fixing tubing string，It is connected with described lock tube female thread above a described piston，Lower section contacts with a described fixed piston，A described fixed piston female thread is threadeded with described central canal，The internal and external threads of described No. two fixed pistons female thread with the external screw thread of a described fixed piston and described No. three fixed pistons respectively is connected，Between a described piston and described central canal radial direction、Between described No. two pistons and described fixed piston radial direction、All formed by No. six " O " type cushion rubbers between described No. three pistons and described No. two fixed pistons radial direction and seal，A described piston and a described fixed piston、Described No. two pistons and described No. two fixed pistons、Described No. three pistons and described No. three fixed pistons respectively with a described fluid cylinder set、Described No. two fluid cylinder sets、Described No. three fluid cylinder sets are formed by No. seven " O " type cushion rubbers and seal.
Further, described anti-error seat mechanism includes clip spring seat, fixture block spring, sliding sleeve and pin, the inwall of described clip spring seat forms cavity after being connected with described No. three fixed piston sides, it is connected with described fixture block spring below described clip spring seat, described fixture block spring top with coordinate after can realize going into the well during the described draw-in groove of one-way locking function contact, contact with described sliding sleeve bottom described fixture block spring, described sliding sleeve is positioned at described cavity, some through holes are set below described sliding sleeve, described through hole is connected by described pin is fixing with described No. three fluid cylinders set, described sliding sleeve and described No. three fluid cylinder sets are formed by No. eight " O " type cushion rubbers and seal, described sliding sleeve and described lower contact are formed by No. nine " O " type cushion rubbers and seal.
Further, the inwall of described top connection arranges seal groove and is formed sealing by " O " type cushion rubber and described central canal.
Relative to prior art, a kind of inclined shaft injection packer capable of being used for washing well described in the utility model has the advantage that
(1) inclined shaft injection packer capable of being used for washing well described in the utility model, uses hydraulic setting simply and easily, uses three grades of fluid cylinders, pressure reduction is big, and setting force is strong, repeatable sets deblocking, the lower thrust caused because of upper pressure can be balanced simultaneously, especially can test in time when there being layer to alter generation and alter.
(2) inclined shaft injection packer capable of being used for washing well described in the utility model, preferred dimension is more than the rigid body of packing element.Not being damaged during going into the well for protecting packer packing element, the rigid body size of employing should be greater than packing element, so that packer is gone into the well smoothly, thus extends the service life of packing element, the most also improves the qualification rate being constructed into power and dispensing.
(3) inclined shaft injection packer capable of being used for washing well described in the utility model, uses unidirectional pawl gingival cyst of mucous gland in the newborn retaining mechanism.For one-way locking packing element and upper lifting pipe post deblocking packer.After packer setting, a point claw pawl gingival cyst of mucous gland in the newborn gingival cyst of mucous gland in the newborn unidirectional with lock tube is connected as a single entity, and makes packing element to beginning to being in sealing state eventually, and unidirectional pawl gingival cyst of mucous gland in the newborn retaining mechanism is simpler than general retaining mechanism, locks safe and reliable；Removing seal for packer is simple, convenient, during upper lifting pipe post, on packing central canal equipped with the big envelope that solves point claw with unidirectional pawl gingival cyst of mucous gland in the newborn is drawn in, packer unseals the most smoothly.
(4) inclined shaft injection packer capable of being used for washing well described in the utility model, employing one-way locking is anti-error sits mechanism.The each parts of packer are made to be always one before setting, either pause during going into the well well head, or packer is overall and rubs between the borehole wall, all without the mutual alignment making each parts, any change occurs, it is to avoid the impact of hole deviation, it is ensured that packer can reach safely setting position and set.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the inclined shaft injection packer capable of being used for washing well schematic diagram described in this utility model embodiment；
Fig. 2 is the well-flushing structural scheme of mechanism described in this utility model embodiment；
Fig. 3 is that sealing mechanism schematic diagram conciliate by the retaining mechanism described in this utility model embodiment；
Fig. 4 is the sealing mechanism schematic diagram described in this utility model embodiment；
Fig. 5 is the setting mechanism schematic diagram described in this utility model embodiment；
Fig. 6 is the anti-error seat mechanism described in this utility model embodiment and lower contact schematic diagram.
Description of reference numerals:
1-top connection；2-central canal；
3-well-flushing mechanism；31-spring；32-well-flushing valve pocket；33-spring base；34-well-flushing valve plug；35-compacting ring；36-rubber seal；37-and band valve face packing element joint；No. bis-" O " type cushion rubbers of 38-；No. tri-" O " type cushion rubbers of 39-；
4-sealing mechanism；41-exterior central tube；Number packing element of 42-；Number spacer ring of 43-；No. bis-packing elements of 44-；No. bis-spacer rings of 45-；No. tri-packing elements of 46-；47-pressure cap；No. tetra-" O " type cushion rubbers of 48-；No. five " O " type cushion rubbers of 49-；
5-retaining mechanism；Number fixing screw of 51-；52-divides claw；53-lock tube；
6-solves sealing mechanism；61-solves big envelope；No. bis-fixing screws of 62-；63-retainer ring；
7-setting mechanism；Number piston of 71-；Number fixed piston of 72-；Number fluid cylinder set of 73-；No. bis-pistons of 74-；No. bis-fixed pistons of 75-；No. bis-fluid cylinder sets of 76-；No. tri-pistons of 77-；No. tri-fixed pistons of 78-；79-and No. three fluid cylinder sets；791-draw-in groove；No. six " O " type cushion rubbers of 710-；No. seven " O " type cushion rubbers of 711-；
8-is anti-does mechanism in error；81-clip spring seat；82-fixture block spring；83-sliding sleeve；84-pin；No. eight " O " type cushion rubbers of 85-；No. nine " O " type cushion rubbers of 86-；
9-lower contact；Number " O " type cushion rubber of 10-.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can be mutually combined.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, the feature defining " first ", " second " etc. can express or implicitly include one or more this feature.In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood by concrete condition.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
nullA kind of inclined shaft injection packer capable of being used for washing well，As shown in Figures 1 to 6，Including top connection 1、Central canal 2、Well-flushing mechanism 3、Sealing mechanism 4、Retaining mechanism 5、Solve sealing mechanism 6、Setting mechanism 7、Anti-error seat mechanism 8 and lower contact 9，The lower section of described top connection 1 is fixing connects described central canal 2 and described well-flushing mechanism 3，Described central canal 2 outer wall is set with threaded described well-flushing mechanism 3 the most successively、Described sealing mechanism 4、Described retaining mechanism 5、Described solution sealing mechanism 6 and described setting mechanism 7，Arrange below described setting mechanism 7 and there is the described anti-error seat mechanism 8 preventing packer midway from setting，Described lower contact 9 is connected below described anti-error seat mechanism 8，Described well-flushing mechanism 3 and described retaining mechanism 5 inside are respectively provided with well-flushing passage，Well-flushing passage is formed between the internal and described central canal 2 of described sealing mechanism 4.
nullDescribed well-flushing mechanism 3 includes spring 31、Well-flushing valve pocket 32、Spring base 33、Well-flushing valve plug 34、Compacting ring 35、Rubber seal 36 and band valve face packing element joint 37，Described well-flushing valve pocket 32 is less than the hollow cylinder structure of lower section internal diameter for top internal diameter，Formed above described well-flushing valve pocket 32 and between described central canal 2 radial direction by No. two " O " type cushion rubbers 38 and seal，Hollow cavity is formed between lower section and the described central canal 2 of described well-flushing valve pocket 32，Described hollow cavity top and described spring 31 top contact，The lower section of described spring 31 is fixing with described spring base 33 to be connected，The lower section of described spring base 33 arranges described well-flushing valve plug 34，Formed by No. three " O " type cushion rubbers 39 between described well-flushing valve plug 34 and described central canal 2 radial direction and seal，Formed by described No. two " O " type cushion rubbers 38 and described compacting ring 35 between described well-flushing valve plug 34 and described well-flushing valve pocket 32 radial direction and seal，The lower section of described well-flushing valve plug 34 is sealed by described rubber seal 36，Below described well-flushing valve pocket 32, well-flushing passage is set，Below described well-flushing passage, inwall is threadeded with described band valve face packing element joint 37.
nullDescribed sealing mechanism 4 includes exterior central tube 41、A number packing element 42、A number spacer ring 43、No. two packing elements 44、No. two spacer rings 45、No. three packing elements 46 and pressure cap 47，Threaded with described band valve face packing element joint 37 above described exterior central tube 41，Formed by No. four " O " type cushion rubbers 48 between described exterior central tube 41 and described band valve face packing element joint 37 radial direction and seal，Described exterior central tube 41 is the hollow cylinder structure arranging boss below outer wall，The most nested described packing element 42 above described boss、A described spacer ring 43、Described No. two packing elements 44、Described No. two spacer rings 45、Described No. three packing elements 46 and described pressure cap 47，Formed by No. five " O " type cushion rubbers 49 between described pressure cap 47 and described exterior central tube 41 radial direction and seal，A described packing element 42 is long packing element type，Described No. two packing elements 44 and described No. three packing elements 46 are short rubber cylinder.
Described retaining mechanism 5 includes a fixing screw 51, point claw 52, lock tube 53, described point of claw 52 with threaded below described exterior central tube 41 after, by described fixing screw 51 realize with described exterior central tube 41 circumferentially fixed, described point of claw 52 is respectively provided with, with described lock tube 53 inwall, the unidirectional pawl gingival cyst of mucous gland in the newborn structure that can realize one-way locking, described lock tube 53 outer wall is threadeded with described pressure cap 47, and described lock tube 53 outer wall arranges well-flushing passage.
Described solution sealing mechanism 6 includes solving 61, No. two fixing screws 62 of big envelope and retainer ring 63, in the middle of the inwall of described solution big envelope 61, boss is set, inside described boss, notch is set, described No. two fixing screws 62 make described solution big envelope 61 and the fixing connection of described central canal 2 through described notch, and described central canal 2 arranges the draw-in groove being used for installing described retainer ring 63 below described boss.
nullDescribed setting mechanism 7 includes a piston 71、A number fixed piston 72、A number fluid cylinder set 73、No. two pistons 74、No. two fixed pistons 75、No. two fluid cylinder sets 76、No. three pistons 77、No. three fixed pistons 78、With No. three fluid cylinder sets 79，Described No. three fluid cylinders overlap and arrange draw-in groove 791 below 79 inwalls，A described piston 71、Described fluid cylinder set 73、Described No. two pistons 74、Described No. two fluid cylinders set 76、Described No. three pistons 77 and described No. three fluid cylinders set 79 are from top to bottom fixedly connected sequentially by screw thread and form fixing tubing string，It is connected with described lock tube 53 female thread above a described piston 71，Lower section contacts with a described fixed piston 72，Described fixed piston 72 female thread is threadeded with described central canal 2，The internal and external threads of described No. two fixed pistons 75 female thread with the external screw thread of a described fixed piston 72 and described No. three fixed pistons 78 respectively is connected，Between a described piston 71 and described central canal 2 radial direction、Between described No. two pistons 74 and a described fixed piston 72 radial direction、All formed by No. six " O " type cushion rubbers 710 between described No. three pistons 77 and described No. two fixed pistons 75 radial direction and seal，A described piston 71 and a described fixed piston 72、Described No. two pistons 74 and described No. two fixed pistons 75、Described No. three pistons 77 and described No. three fixed pistons 78 overlap 73 with a described fluid cylinder respectively、Described No. two fluid cylinders set 76、Described No. three fluid cylinders set 79 forms sealing by No. seven " O " type cushion rubbers 711.
nullDescribed anti-error seat mechanism 8 includes clip spring seat 81、Fixture block spring 82、Sliding sleeve 83 and pin 84，The inwall of described clip spring seat 81 forms cavity after being connected with described No. three fixed piston 78 sides，It is connected with described fixture block spring 82 below described clip spring seat 81，Described fixture block spring 82 top with coordinate after can realize going into the well during the described draw-in groove 791 of one-way locking function contact，Contact with described sliding sleeve 83 bottom described fixture block spring 82，Described sliding sleeve 83 is positioned at described cavity，Below described sliding sleeve 83, some through holes are set，Described through hole is connected by described pin 84 is fixing with described No. three fluid cylinders set 79，Described sliding sleeve 83 forms sealing with described No. three fluid cylinders set 79 by No. eight " O " type cushion rubbers 85，Described sliding sleeve 83 and described lower contact 9 are formed by No. nine " O " type cushion rubbers 86 and seal.
The inwall of described top connection 1 arranges seal groove and is formed sealing by " O " type cushion rubber 10 and described central canal 2.
A kind of its form of construction work of inclined shaft injection packer capable of being used for washing well is as follows:
Set: described inclined shaft injection packer capable of being used for washing well is required lower to desired depth according to design.nullPressurize in oil pipe，The pressure transmission hole that pressure overlaps on 79 through No. three fluid cylinders acts on sliding sleeve 83，When pressure reaches 4MPa，Pin 84 is cut off，Sliding sleeve 83 is up，Fixture block spring 82 departs from constraint，Pressure is acted on well-flushing valve plug 34 by the pressure transmission hole of central canal 2 simultaneously，It is allowed to drive rubber seal 36 descending，Seal well washing valve pocket 32，Close well-flushing passage，Pressure passes through central canal 2 and a fixed piston 72 simultaneously、The pressure transmission hole of No. two fixed pistons 75 and No. three fixed pistons 78 acts on a piston 71、On No. two pistons 74 and No. three pistons 77，It is allowed to promote a fluid cylinder set 73、No. two fluid cylinder sets 76、No. three fluid cylinder sets 79、Lock tube 53 and pressure cap 47 are up，Compress a packing element 42、A number spacer ring 43、No. two packing elements 44、No. two spacer rings 45 and No. three packing elements 46，Seal oil sets annular space，Retaining mechanism by packer locking at sealing station；
Well-flushing: when needing well-flushing, flushing fluid is injected from oil jacket annular space, flushing fluid promotes well-flushing valve plug 34 up by the well-flushing passage on well-flushing valve pocket 32 outer wall, and liquid is returned out along the well-flushing passage from lock tube 53 outer wall of the well-flushing passage between central canal 2 external diameter and band valve face packing element joint 37 internal diameter, exterior central tube 41 internal diameter by oil pipe；
Deblocking: upper lifting pipe post central canal 2, drives solution big envelope 61 up, draws a point claw 52 in, disengage with lock tube 53, and 42, spacer ring of the packing element then compressed, 44, No. two spacer rings 45 of 43, No. two packing elements and No. three packing elements 46 restore to the original state, a whole set of removing seal for packer.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (8)
1. an inclined shaft injection packer capable of being used for washing well, it is characterized in that: include top connection (1), central canal (2), well-flushing mechanism (3), sealing mechanism (4), retaining mechanism (5), solve sealing mechanism (6), setting mechanism (7), anti-error seat mechanism (8) and lower contact (9)
The lower section of described top connection (1) is fixing connects described central canal (2) and described well-flushing mechanism (3), described central canal (2) outer wall is set with threaded described well-flushing mechanism (3), described sealing mechanism (4), described retaining mechanism (5), described solution sealing mechanism (6) and described setting mechanism (7) the most successively, described setting mechanism (7) lower section is arranged has described anti-error seat mechanism (8) preventing packer midway from setting, described anti-error seat mechanism (8) lower section connects described lower contact (9)
Described well-flushing mechanism (3) and the internal well-flushing passage that is respectively provided with of described retaining mechanism (5), form well-flushing passage between described sealing mechanism (4) inside and described central canal (2).
A kind of inclined shaft injection packer capable of being used for washing well the most according to claim 1, it is characterized in that: described well-flushing mechanism (3) includes spring (31), well-flushing valve pocket (32), spring base (33), well-flushing valve plug (34), compacting ring (35), rubber seal (36) and band valve face packing element joint (37)
nullDescribed well-flushing valve pocket (32) is the top internal diameter hollow cylinder structure less than lower section internal diameter，Formed by No. two " O " type cushion rubbers (38) between described well-flushing valve pocket (32) top and described central canal (2) radial direction and seal，Hollow cavity is formed between lower section and the described central canal (2) of described well-flushing valve pocket (32)，Described hollow cavity top and described spring (31) top contact，The lower section of described spring (31) is fixing with described spring base (33) to be connected，The lower section of described spring base (33) arranges described well-flushing valve plug (34)，Formed by No. three " O " type cushion rubbers (39) between described well-flushing valve plug (34) and described central canal (2) radial direction and seal，Formed by described No. two " O " type cushion rubbers (38) and described compacting ring (35) between described well-flushing valve plug (34) and described well-flushing valve pocket (32) radial direction and seal，The lower section of described well-flushing valve plug (34) is sealed by described rubber seal (36)，Described well-flushing valve pocket (32) lower section arranges well-flushing passage，Below described well-flushing passage, inwall is threadeded with described band valve face packing element joint (37).
A kind of inclined shaft injection packer capable of being used for washing well the most according to claim 2, it is characterized in that: described sealing mechanism (4) includes exterior central tube (41), a packing element (42), a spacer ring (43), No. two packing elements (44), No. two spacer rings (45), No. three packing elements (46) and pressure cap (47)
nullThreaded with described band valve face packing element joint (37) in described exterior central tube (41) top，Formed by No. four " O " type cushion rubbers (48) between described exterior central tube (41) and described band valve face packing element joint (37) radial direction and seal，Described exterior central tube (41) is the hollow cylinder structure arranging boss below outer wall，The most nested described packing element (42) above described boss、A described spacer ring (43)、Described No. two packing elements (44)、Described No. two spacer rings (45)、Described No. three packing elements (46) and described pressure cap (47)，Formed by No. five " O " type cushion rubbers (49) between described pressure cap (47) and described exterior central tube (41) radial direction and seal，A described packing element (42) is long packing element type，Described No. two packing elements (44) and described No. three packing elements (46) are short rubber cylinder.
A kind of inclined shaft injection packer capable of being used for washing well the most according to claim 3, it is characterised in that: described retaining mechanism (5) includes a fixing screw (51), point claw (52), lock tube (53),
After described point of claw (52) threadeds with described exterior central tube (41) lower section, by described fixing screw (51) realize with described exterior central tube (41) circumferentially fixed, described point of claw (52) is respectively provided with, with described lock tube (53) inwall, the unidirectional pawl gingival cyst of mucous gland in the newborn structure that can realize one-way locking, described lock tube (53) outer wall is threadeded with described pressure cap (47), and described lock tube (53) outer wall arranges well-flushing passage.
A kind of inclined shaft injection packer capable of being used for washing well the most according to claim 1, it is characterized in that: described solution sealing mechanism (6) includes solving big envelope (61), No. two fixing screws (62) and retainer ring (63), in the middle of the inwall of described solution big envelope (61), boss is set, inside described boss, notch is set, described No. two fixing screws (62) make described solution big envelope (61) and the fixing connection of described central canal (2) through described notch, and described central canal (2) arranges the draw-in groove being used for installing described retainer ring (63) below described boss.
nullA kind of inclined shaft injection packer capable of being used for washing well the most according to claim 4，It is characterized in that: described setting mechanism (7) includes a piston (71)、A number fixed piston (72)、A number fluid cylinder set (73)、No. two pistons (74)、No. two fixed pistons (75)、No. two fluid cylinder sets (76)、No. three pistons (77)、No. three fixed pistons (78)、With No. three fluid cylinder sets (79)，Below described No. three fluid cylinder set (79) inwalls, draw-in groove (791) is set，A described piston (71)、A described fluid cylinder set (73)、Described No. two pistons (74)、Described No. two fluid cylinder sets (76)、Described No. three pistons (77) and described No. three fluid cylinder sets (79) are from top to bottom fixedly connected sequentially by screw thread and form fixing tubing string，A described piston (71) top is connected with described lock tube (53) female thread，Lower section contacts with a described fixed piston (72)，Described fixed piston (72) female thread is threadeded with described central canal (2)，The internal and external threads of described No. two fixed pistons (75) female thread with the external screw thread of a described fixed piston (72) and described No. three fixed pistons (78) respectively is connected，
Between a described piston (71) and described central canal (2) radial direction, between described No. two pistons (74) and a described fixed piston (72) radial direction, all formed by No. six " O " type cushion rubbers (710) between described No. three pistons (77) and described No. two fixed pistons (75) radial direction and seal, a described piston (71) and a described fixed piston (72), described No. two pistons (74) and described No. two fixed pistons (75), described No. three pistons (77) and described No. three fixed pistons (78) respectively with a described fluid cylinder set (73), described No. two fluid cylinder sets (76), described No. three fluid cylinder sets (79) are formed by No. seven " O " type cushion rubbers (711) and seal.
A kind of inclined shaft injection packer capable of being used for washing well the most according to claim 6, it is characterized in that: described anti-error seat mechanism (8) includes clip spring seat (81), fixture block spring (82), sliding sleeve (83) and pin (84)
nullThe inwall of described clip spring seat (81) forms cavity after being connected with described No. three fixed piston (78) sides，Described clip spring seat (81) lower section is connected with described fixture block spring (82)，Described fixture block spring (82) top with coordinate after can realize going into the well during the described draw-in groove (791) of one-way locking function contact，Described fixture block spring (82) bottom contacts with described sliding sleeve (83)，Described sliding sleeve (83) is positioned at described cavity，Described sliding sleeve (83) lower section arranges some through holes，Described through hole is connected by described pin (84) and described No. three fluid cylinder sets (79) are fixing，Described sliding sleeve (83) and described No. three fluid cylinder sets (79) are formed by No. eight " O " type cushion rubbers (85) and seal，Described sliding sleeve (83) and described lower contact (9) are formed by No. nine " O " type cushion rubbers (86) and seal.
A kind of inclined shaft injection packer capable of being used for washing well the most according to claim 1, it is characterised in that: the inwall of described top connection (1) arranges seal groove and is formed sealing by " O " type cushion rubber (10) and described central canal (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400600.1U CN205714079U (en) | 2016-05-05 | 2016-05-05 | A kind of inclined shaft injection packer capable of being used for washing well |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400600.1U CN205714079U (en) | 2016-05-05 | 2016-05-05 | A kind of inclined shaft injection packer capable of being used for washing well |
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| Publication Number | Publication Date |
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| CN205714079U true CN205714079U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620400600.1U Expired - Fee Related CN205714079U (en) | 2016-05-05 | 2016-05-05 | A kind of inclined shaft injection packer capable of being used for washing well |
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| CN (1) | CN205714079U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605423A (en) * | 2017-11-09 | 2018-01-19 | 中国石油大学(华东) | A kind of packer and its method of work for realizing infinite stages pressure break |
| CN111535775A (en) * | 2020-05-21 | 2020-08-14 | 济南鸿泰华丰机械有限公司 | Adjustable constant pressure washable well packer |
| CN112943154A (en) * | 2019-12-11 | 2021-06-11 | 中国石油天然气股份有限公司 | Packer (CN) |
| CN113338841A (en) * | 2021-06-29 | 2021-09-03 | 郭洪霞 | Mechanical packer |
-
2016
- 2016-05-05 CN CN201620400600.1U patent/CN205714079U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605423A (en) * | 2017-11-09 | 2018-01-19 | 中国石油大学(华东) | A kind of packer and its method of work for realizing infinite stages pressure break |
| CN112943154A (en) * | 2019-12-11 | 2021-06-11 | 中国石油天然气股份有限公司 | Packer (CN) |
| CN111535775A (en) * | 2020-05-21 | 2020-08-14 | 济南鸿泰华丰机械有限公司 | Adjustable constant pressure washable well packer |
| CN111535775B (en) * | 2020-05-21 | 2022-08-30 | 东营市华科石油科技开发有限责任公司 | Adjustable constant pressure washable well packer |
| CN113338841A (en) * | 2021-06-29 | 2021-09-03 | 郭洪霞 | Mechanical packer |
| CN113338841B (en) * | 2021-06-29 | 2022-07-22 | 大庆市天顺和泰石油科技有限公司 | Mechanical packer |
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Granted publication date: 20161123 Termination date: 20210505 |