CN206397467U - A kind of oil recovery water control device - Google Patents

Abstract

The utility model discloses a kind of oil recovery water control device, including sleeve pipe and packer, packer includes upper glue tube base, lower rubber cylinder seat, the packing element being disposed there between and lower contact, annular slot is equidistantly provided with internal surface of sleeve pipe, the upper end of lower contact is provided with piston tube, the side wall of piston tube is provided with the projection offseted with lower rubber cylinder seat, and several first strip gabs are provided with the piston tube wall below projection, and first strip gab along the circumferentially disposed of piston tube, montant is provided with first strip gab, the front and rear sides of montant are respectively equipped with the first voussoir and the second voussoir；The outside of piston tube is provided with outer tube, and the upper end of outer tube and lower rubber cylinder seat offset, and are provided with outer tube provided with fixture block in several second strip gabs, the second strip gab, and fixture block is provided with the perforate connected up and down, and montant is set through perforate.The utility model effectively reduces damage of the fixed structure to sleeve pipe, while extending service life.

Description

A kind of oil recovery water control device

Technical field

The utility model is related to technical field of oil extraction equipment, and in particular to a kind of oil recovery water control device.

Background technology

Oil field development enters the later stage, and well water more and more higher, casing leakage phenomenon is increasingly severe；At present, it is existing Method be using packer carry out water blockoff, but existing packer in when being blocked, need to be strutted by cone slips come pair Lower rubber cylinder seat in packer is fixed, but damage of the slips to sleeve pipe is big, and frequently tight using rear slips itself abrasion Weight, ultimately results in sleeve pipe and slips its shelf-life shortens, the cost of the use of increase equipment and later maintenance；In addition, traditional Influenceed greatly by pressure difference above and below packing element during the packing device deblocking of control water, deblocking is difficult.

Therefore, the application proposes a kind of oil recovery water control device to solve the above problems.

Utility model content

A main purpose of the present utility model is to overcome at least one defect of the prior art to recover the oil there is provided one kind Water control device.

In order to realize above-mentioned technical proposal, the utility model uses following technical scheme：

According to one side of the present utility model, there is provided a kind of oil recovery water control device, including sleeve pipe and packer, the envelope Include upper glue tube base, lower rubber cylinder seat, the packing element being disposed there between and lower contact every device；

Wherein, annular slot is equidistantly provided with described sleeve pipe inwall, the upper end of the lower contact is provided with piston tube, the work The side wall of plug pipe be provided with the projection that offsets of lower rubber cylinder seat, and piston tube wall below projection provided with several first Strip gab, and the first strip gab is along the circumferentially disposed of piston tube, and montant, the montant are provided with first strip gab Front and rear sides be respectively equipped with the first voussoir and the second voussoir, and the first voussoir is located at the top of the second voussoir, the first wedge The inclined-plane of block is located at its lower end, and the inclined-plane of second voussoir is at its upper end；

The outside of the piston tube is provided with outer tube, and upper end and the lower rubber cylinder seat of the outer tube offset, and are provided with outer tube Fixture block is provided with several second strip gabs, second strip gab, the fixture block is provided with the perforate connected up and down, institute Montant is stated to set through perforate, and fixation is blocked in the one end of fixture block away from perforate with annular slot.

According to an embodiment of the present utility model, the width value of the annular slot is less than the length value of packing element, and ring The width value of shape neck is more than the thickness value of fixture block.

According to an embodiment of the present utility model, the thickness value of the fixture block is less than the first voussoir lower end and the second voussoir Distance values between lower end.

According to an embodiment of the present utility model, the fixture block is equal close to the edge of the top and bottom of sleeve pipe side Provided with corner cut.

According to an embodiment of the present utility model, first voussoir is identical with the size of the second voussoir, and the two is equal It is integrally formed with montant.

As shown from the above technical solution, the utility model possesses at least one of advantages below and good effect：

By setting annular slot on the inwall of sleeve pipe, outer tube, and opening on outer tube are set in the outside of piston tube Fixture block is set in mouthful, coordinates annular slot that upper glue tube base is fixed using fixture block, to be consolidated instead of original slips It is fixed, the effective damage for reducing fixed structure to sleeve pipe, while improving fixed structure working life；In addition, the control hydropexis Sealing and deblocking is can be achieved by above putting forward and pushing piston tube in mechanism, and deblocking is influenceed small by pressure difference above and below packing element, further Improve the efficiency for the control water that recovers the oil.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, for ordinary skill people For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of the embodiment of oil recovery water control device one described in the utility model；

Fig. 2 is the view in transverse section at fixture block in oil recovery water control device described in the utility model；

Fig. 3 is the part-structure schematic diagram of piston tube in oil recovery water control device described in the utility model；

Fig. 4 is the close-up schematic view at A in Fig. 1.

Description of reference numerals is as follows：

The upper glue tube bases of 1-；

2- lower rubber cylinders seat；

3- packing elements；

4- lower contacts；

5- annular slots；

6- piston tubes；

The strip gabs of 7- first；

8- montants；

The voussoirs of 9- first；

The voussoirs of 10- second；

11- outer tubes；

The strip gabs of 12- second；

13- fixture blocks；

14- perforates；

15- sleeve pipes.

Embodiment

In description of the present utility model, unless otherwise indicated, " multiple " are meant that two or more.Term The orientation or state relation of the instructions such as " interior ", " on ", " under " are based on orientation shown in the drawings or state relation, merely to just Described in description the utility model with simplified, rather than indicate or imply that the device or element of meaning must be with specific sides Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary.For this For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model is understood as the case may be.

It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing, " second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so The data used can be exchanged in the appropriate case, so as to embodiment of the present utility model described herein.

Below in conjunction with the accompanying drawings and embodiment is described in further detail to the utility model.

Referring to the structural representation that Fig. 1,2,3 and 4, Fig. 1 are the embodiment of oil recovery water control device one described in the utility model, Fig. 2 is the view in transverse section at fixture block in oil recovery water control device described in the utility model, and Fig. 3 is control described in the utility model of recovering the oil The part-structure schematic diagram of piston tube in water installations, Fig. 4 is the close-up schematic view at A in Fig. 1.

A kind of oil recovery water control device described in the utility model, including sleeve pipe 15 and packer, packer include upper glue tube base 1st, annular slot 5 is equidistantly provided with lower rubber cylinder seat 2, the packing element 3 that is disposed there between and lower contact 4, the inwall of sleeve pipe 15, under The upper end of joint 4 is provided with piston tube 6, and the side wall of piston tube 6 is provided with the projection offseted with lower rubber cylinder seat 2, and below projection The tube wall of piston tube 6 be provided with several first strip gabs 7, and the first strip gab 7 is along the circumferentially disposed of piston tube 6, the Montant 8 is provided with one strip gab 7, the front and rear sides of montant 8 are respectively equipped with the first voussoir 9 and the second voussoir 10, and first wedge Block 9 is located at the top of the second voussoir 10, and the inclined-plane of the first voussoir 9 is located at its lower end, and the inclined-plane of the second voussoir 10 is at its upper end, It is noted that the first voussoir 9 is identical with the size of the second voussoir 10, and the two is integrally formed with montant 8, whole to increase The stability of body.

The outside of the piston tube 6 is provided with outer tube 11, and upper end and the lower rubber cylinder seat 2 of outer tube 11 offset, and on outer tube 11 Provided with several the second strip gabs 12, fixture block 13 is provided with the second strip gab 12, and the thickness value of fixture block 13 is less than first Distance values between the lower end of voussoir 9 and the lower end of the second voussoir 10, fixture block 13 can be moved between the first voussoir 9 and the second voussoir 10 It is dynamic；Fixture block 13 is provided with the perforate 14 connected up and down, and montant 8 is set through perforate 14, and the one end of fixture block 13 away from perforate 14 Block fixed with annular slot 5, it is necessary to which explanation, length value of the width value much smaller than packing element 3 of annular slot 5, can be avoided Annular slot 5 influences the sealing of packing element 3, and thickness value of the width value slightly larger than fixture block 13 of annular slot 5, and fixture block 13 is close The edge of the top and bottom of the side of sleeve pipe 15 is equipped with corner cut, is easy to one end away from perforate and the clamping of annular slot 5.

The utility model puies forward piston tube 6 during setting, above, and then drives lower rubber cylinder seat 2 to compress packing element 3, packing element 3 Diameter is thicker after being compressed, and is sealed after being propped up with the inwall of sleeve pipe 15, while fixture block 13 enters in annular slot 5, second Voussoir 10, which enters in perforate 14, props up fixture block 13, and now outer tube is fixed, and prevents lower rubber cylinder seat 2 descending, to ensure the close of packing element 3 Feng Xing；During deblocking, piston tube 6 is pushed down on, the first voussoir 9 enters in perforate 14, fixture block 13 is supported out from annular slot 5, Lower rubber cylinder seat 2 discharges packing element 3, and device is unsealed.

It should be appreciated that the utility model be not limited in its application to set forth herein part detailed construction and arrangement Mode.The utility model can have other embodiment, and can realize and perform in many ways.Aforesaid deformation form Fall with modification in the range of the utility model.It should be appreciated that the utility model extension disclosed and defined herein Mentioned to text and/or drawings or significantly all alternative combinations of two or more independent features.It is described herein Embodiment illustrate to become known for realizing best mode of the present utility model, and those skilled in the art will be enable to utilize The utility model.

Claims (5)

1. a kind of oil recovery water control device, it is characterised in that including sleeve pipe and packer, the packer include upper glue tube base, under Glue tube base, the packing element being disposed there between and lower contact；

Wherein, annular slot is equidistantly provided with described sleeve pipe inwall, the upper end of the lower contact is provided with piston tube, the piston tube Side wall be provided with being provided with several first bar shapeds in the projection that offsets of lower rubber cylinder seat, and piston tube wall below projection Opening, and the first strip gab is along the circumferentially disposed of piston tube, is provided with first strip gab before montant, the montant Both sides are respectively equipped with the first voussoir and the second voussoir afterwards, and the first voussoir is located at the top of the second voussoir, first voussoir Inclined-plane is located at its lower end, and the inclined-plane of second voussoir is at its upper end；

The outside of the piston tube is provided with outer tube, and upper end and the lower rubber cylinder seat of the outer tube offset, and provided with some on outer tube Fixture block is provided with individual second strip gab, second strip gab, the fixture block is provided with the perforate connected up and down, described perpendicular Bar is set through perforate, and fixation is blocked in the one end of fixture block away from perforate with annular slot.

2. a kind of oil recovery water control device according to claim 1, it is characterised in that the width value of the annular slot is less than The length value of packing element, and thickness value of the width value more than fixture block of annular slot.

3. a kind of oil recovery water control device according to claim 1, it is characterised in that the thickness value of the fixture block is less than first Distance values between voussoir lower end and the second voussoir lower end.

4. a kind of oil recovery water control device according to claim 1, it is characterised in that the fixture block is upper close to sleeve pipe side The edge of end and lower end is equipped with corner cut.

5. a kind of oil recovery water control device according to claim 1, it is characterised in that first voussoir and the second voussoir Size is identical, and the two is integrally formed with montant.