CN210422552U - Oil field downhole tool packer - Google Patents

Oil field downhole tool packer Download PDF

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Publication number
CN210422552U
CN210422552U CN201921284169.9U CN201921284169U CN210422552U CN 210422552 U CN210422552 U CN 210422552U CN 201921284169 U CN201921284169 U CN 201921284169U CN 210422552 U CN210422552 U CN 210422552U
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China
Prior art keywords
pipe
packer
connector
head
airtight
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Application number
CN201921284169.9U
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Chinese (zh)
Inventor
唐燕金
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Shandong Huaguan Energy Technology Co ltd
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Shandong Huaguan Energy Technology Co ltd
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Abstract

The utility model discloses an oil field downhole tool packer, which comprises a main airtight pipe, a connecting outer pipe and a centering device, wherein the main airtight pipe comprises a packer pipe, a lower sleeve and a connector, the lower sleeve is arranged at the lower end of the packer pipe, the utility model solves the problems that the existing packer has simple structure, the pipeline can not normally convey oil liquid due to the easy inclination in the process of oil field downhole installation, simultaneously, the existing packer is complex to install and is inconvenient for rapid installation and use under the oil field downhole, when in need of use, after the two sides of the main airtight pipe and the connecting outer pipe are connected on the oil pipe, the connecting outer pipe is stably fixed on the main airtight pipe by rotating a sealing sliding sleeve, at the moment, the centering device is in a compression state, and through the support of a shrapnel, the oil pipe and the packer can be effectively ensured not to be excessively inclined, resulting in the problem of plugging of the tubing downhole.

Description

Oil field downhole tool packer
Technical Field
The utility model relates to a packer technical field specifically is an oil field downhole tool packer.
Background
The packer is widely applied to operations such as well drilling, well cementing, testing, well completion and the like. The packer is also used in underground petroleum operation, and has elastic sealing element to separate the annular spaces between pipe columns of different sizes and well bore and between pipe columns and to isolate producing layer to control the production of liquid and protect the casing, and this can reduce water blocking operation, realize no-killing and no-blowout operation, bear high pressure in two directions, and has long service life. The outer diameter of the leather cup is larger than the inner diameter of the casing, the packer is sealed by the interference fit of the leather cup and the casing, the resistance is large when the packer is lowered into the well, the leather cup is easy to wear and scrape, the tightness is lost, the thick oil layer is inevitably excavated along with the deep knowledge of the oil layer, and meanwhile, higher requirements are provided for the packer in the well.
The utility model discloses an inventor discovers, current packer simple structure, and the in-process of installing in the pit in the oil field takes place the slope easily and leads to the pipeline can not be normal carry fluid, and the packer installation that has now simultaneously is comparatively complicated, is not convenient for quick installing in the pit in the oil field and uses.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil field downhole tool packer aims at improving current packer simple structure, and the in-process of installing in the pit in the oil field takes place to incline easily and leads to the pipeline can not be normal carry fluid, and current packer installation is comparatively complicated simultaneously, is not convenient for at the oil field quick problem of installing and using in the pit.
The utility model discloses a realize like this:
an oil field downhole tool packer comprises a main airtight pipe, a connecting outer pipe and a centering device, wherein the main airtight pipe comprises a packer pipe, a lower sleeve and a connector, the lower sleeve is arranged at the lower end of the packer pipe, the lower sleeve and the packer pipe are coaxially arranged, the connector is arranged on the upper end face of the packer pipe, the lower sleeve and the connector are integrally formed, the connecting outer pipe comprises an auxiliary airtight pipe and a sealing sliding sleeve, the auxiliary airtight pipe is arranged at the head of the connector, the auxiliary airtight pipe is fixedly connected with the connector in a sealing mode through the sealing sliding sleeve, the centering device comprises a spring piece and an installing head, the spring piece is uniformly arranged on the outer side face of the installing head and fixedly connected with the installing head, and a user can be conveniently and quickly connected with the connecting outer pipe through the structural arrangement of the main airtight pipe, when the main airtight pipe and the connecting outer pipe are disconnected when not in use, the centralizing device is in an extending state.
Furthermore, all be provided with the welding draw-in groove on lower part sleeve pipe and the vice airtight pipe lateral surface, the installation head sets up on the welding draw-in groove, and installation head and welding draw-in groove fixed connection, through the setting to the welding draw-in groove, can conveniently overlap the device of rightting on lower part sleeve pipe and the vice airtight pipe lateral surface when production processing, then be convenient for better carry out fixed welding and use.
Further, be provided with external screw thread and ring channel on the connector, the external screw thread sets up the head at the connector lateral surface, the up end at the connector is seted up to the ring channel, install the sealing washer in the ring channel, come the quick installation or dismantle the connector of person of facilitating the use can come when needs through setting up the external screw thread on to the connector to when the connector is in the same place with the installation of main airtight pipe, joint that the sealing washer can be stable prevents the water clock of fluid in the ring channel.
Furthermore, sealing sliding sleeve slidable mounting is at the head of vice airtight pipe, and is provided with the internal thread with external screw thread matched with on the sealing sliding sleeve medial surface, comes the external screw thread on the cooperation connector to carry out fixed connection through setting up to internal screw thread and uses.
Furthermore, the mounting head is further provided with a mounting groove in the center, the mounting groove is a through hole, the mounting head can be conveniently mounted on the main airtight pipe and the connecting outer pipe in the processing stage through the mounting groove, the distance between the mounting heads can be adjusted as required, the bending degree of the elastic sheet can be changed, and the mounting head is further suitable for being mounted and used in oil wells with different diameters.
Furthermore, the lower portion sleeve pipe and the auxiliary airtight pipe head portion are provided with airtight sleeve pipe buckles, a user can stably connect the packer with the oil pipe to use the packer through the airtight sleeve pipe buckles, and the oil pipe is fixed and tightly bound on the packer through the airtight sleeve pipe buckles.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a to traditional packer structure study, design out an oil field downhole tool packer, the effectual current packer simple structure of having solved, the in-process of installing in the pit in the oil field takes place the slope easily and leads to the pipeline can not be normal carry fluid, the packer installation that has now is comparatively complicated simultaneously, be not convenient for at the oil field quick problem of installing the use in the pit, all connect main airtight pipe and connection outer tube both sides on oil pipe when needs use after, come to connect the stable fixing of outer tube on main airtight pipe through rotating sealed sliding sleeve, right the device at compression state this moment, support through the shell fragment, can effectually guarantee that oil pipe and packer can not too incline, and lead to oil pipe to take place the problem of jam in the pit.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a perspective view of the device of the present invention;
FIG. 2 is a schematic exploded view of the apparatus of FIG. 1 when the centralizer is not installed;
FIG. 3 is a schematic view of the main airtight tube shown in FIG. 2;
FIG. 4 is a top view of the device shown in FIG. 3;
FIG. 5 is a schematic view of the construction of the connecting outer tube shown in FIG. 2;
fig. 6 is a schematic structural view of the centralizer shown in fig. 1.
In the figure: 1. a main airtight pipe; 11. a packer tube; 12. a lower casing; 121. welding the clamping groove; 13. a connector; 131. an external thread; 132. an annular groove; 133. a seal ring; 2. connecting an outer pipe; 21. a secondary airtight tube; 211. air-tight casing buckles; 22. sealing the sliding sleeve; 3. a righting device; 31. a spring plate; 32. a mounting head; 321. and (4) mounting the groove.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Referring to fig. 1, 2, 3, 4, 5 and 6, an oilfield downhole tool packer comprises a main airtight pipe 1, a connecting outer pipe 2 and a centering device 3, wherein the main airtight pipe 1 comprises a packer pipe 11, a lower casing 12 and a connector 13, the lower casing 12 is arranged at the lower end of the packer pipe 11, the lower casing 12 and the packer pipe 11 are coaxially arranged, the connector 13 is arranged at the upper end surface of the packer pipe 11, and the packer pipe 11, the lower casing 12 and the connector 13 are integrally formed, through researching the traditional packer structure, the oilfield downhole tool packer is designed, so that the problems that the existing packer is simple in structure, the oil conveying of pipelines cannot be normally performed due to the fact that the packer is easy to incline in the process of downhole installation of an oilfield, the existing packer is complex to install and is inconvenient to install and use under the oilfield are effectively solved, the main airtight pipe 1 is structurally arranged to facilitate the user to be quickly connected with the connecting outer pipe 2, the main airtight pipe 1 and the connecting outer pipe 2 are disconnected when the main airtight pipe is not used, the centering device 3 is in an extending state, after the two sides of the main airtight pipe 1 and the two sides of the connecting outer pipe 2 are connected to an oil pipe when the main airtight pipe is needed to be used, the connecting outer pipe 2 is stably fixed on the main airtight pipe 1 by rotating the sealing sliding sleeve 22, the centering device is in a compression state at the moment, and the oil pipe and a packer can be effectively prevented from being excessively inclined through the support of the elastic sheet, so that the oil pipe is blocked underground;
the outer side surfaces of the lower sleeve 12 and the auxiliary airtight tube 21 are respectively provided with a welding clamping groove 121, the mounting head 32 is arranged on the welding clamping groove 121, the mounting head 32 is fixedly connected with the welding clamping groove 121, the installation of the welding clamping groove 121 is convenient for sleeving the righting device 3 on the outer side surfaces of the lower sleeve 12 and the auxiliary airtight tube 21 during production and processing, and then better fixing welding use is facilitated, the heads of the lower sleeve 12 and the auxiliary airtight tube 21 are respectively provided with an airtight sleeve buckle 211, a user can conveniently and stably connect the packer and an oil pipe for use by arranging the airtight sleeve buckle 211, the airtight sleeve buckle 211 is more convenient for fixing and tightly binding the oil pipe on the packer, the connector 13 is provided with an external thread 131 and an annular groove 132, the external thread 131 is arranged at the head part of the outer side surface of the connector 13, and the annular groove 132 is arranged at the upper end surface of the connector 13, the annular groove 132 is internally provided with a sealing ring 133, the connector 13 is provided with the external thread 131, so that a user can conveniently and quickly install or dismantle the connector when needed, and when the connector 13 is installed with the main airtight pipe 1, the sealing ring 133 can be stably clamped in the annular groove 132 to prevent oil from dripping and leaking;
the connecting outer tube 2 comprises an auxiliary airtight tube 21 and a sealing sliding sleeve 22, the auxiliary airtight tube 21 is arranged at the head of the connecting head 13, the auxiliary airtight tube 21 is fixedly connected with the connecting head 13 in a sealing manner through the sealing sliding sleeve 22, the sealing sliding sleeve 22 is slidably arranged at the head of the auxiliary airtight tube 21, an internal thread matched with the external thread 131 is arranged on the inner side surface of the sealing sliding sleeve 22, the internal thread is arranged to be matched with the external thread 131 on the connecting head for fixed connection, the righting device 3 comprises an elastic sheet 31 and an installing head 32, the elastic sheet 31 is uniformly arranged on the outer side surface of the installing head 32, the elastic sheet 31 is fixedly connected with the installing head 32, an installing groove 321 is further formed in the center of the installing head 32, the installing groove 321 is a through hole, the installing groove 321 is arranged to facilitate the installing head 32 to be arranged on the main airtight tube 1 and the connecting outer tube 2 for use from a processing, the bending degree of the elastic sheet 31 can be changed, and the oil well elastic sheet is further suitable for being installed and used in oil wells with different diameters.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an oil field downhole tool packer, includes main airtight pipe (1), connects outer tube (2) and righting device (3), its characterized in that: the main airtight pipe (1) comprises a packer pipe (11), a lower sleeve (12) and a connector (13), the lower sleeve (12) is arranged at the lower end of the packer pipe (11), the lower sleeve (12) and the packer pipe (11) are arranged coaxially, the connector (13) is arranged on the upper end face of the packer pipe (11), the lower sleeve (12) and the connector (13) are integrally formed, the connecting outer pipe (2) comprises an auxiliary airtight pipe (21) and a sealing sliding sleeve (22), the auxiliary airtight pipe (21) is arranged at the head of the connector (13), the auxiliary airtight pipe (21) is fixedly connected with the connector (13) in a sealing mode through the sealing sliding sleeve (22), the centering device (3) comprises a spring sheet (31) and a mounting head (32), and the spring sheet (31) is uniformly arranged on the outer side face of the mounting head (32), and the elastic sheet (31) is fixedly connected with the mounting head (32).
2. The packer for the oilfield downhole tool as defined by claim 1, wherein the lower casing (12) and the secondary airtight tube (21) are provided with welding slots (121) on the outer side surfaces thereof, the mounting head (32) is arranged on the welding slots (121), and the mounting head (32) is fixedly connected with the welding slots (121).
3. The packer for the oil field downhole tool as claimed in claim 2, wherein an external thread (131) and an annular groove (132) are arranged on the connector (13), the external thread (131) is arranged at the head of the outer side surface of the connector (13), the annular groove (132) is arranged on the upper end surface of the connector (13), and a sealing ring (133) is arranged in the annular groove (132).
4. The packer for the oilfield downhole tool as claimed in claim 3, wherein the sealing sliding sleeve (22) is slidably mounted at the head of the secondary airtight tube (21), and an internal thread matched with the external thread (131) is arranged on the inner side surface of the sealing sliding sleeve (22).
5. The packer for the oilfield downhole tool as defined by claim 4, wherein a mounting groove (321) is further formed in the center of the mounting head (32), and the mounting groove (321) is a through hole.
6. An oilfield downhole tool packer according to any one of claims 1-5, wherein the lower casing (12) and the secondary gas tight tubing (21) head are each provided with a gas tight casing button (211).
CN201921284169.9U 2019-08-09 2019-08-09 Oil field downhole tool packer Active CN210422552U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921284169.9U CN210422552U (en) 2019-08-09 2019-08-09 Oil field downhole tool packer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921284169.9U CN210422552U (en) 2019-08-09 2019-08-09 Oil field downhole tool packer

Publications (1)

Publication Number Publication Date
CN210422552U true CN210422552U (en) 2020-04-28

Family

ID=70386220

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921284169.9U Active CN210422552U (en) 2019-08-09 2019-08-09 Oil field downhole tool packer

Country Status (1)

Country Link
CN (1) CN210422552U (en)

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