CN212614616U - Self-sealing rubber core for well drilling - Google Patents
Self-sealing rubber core for well drilling Download PDFInfo
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- CN212614616U CN212614616U CN202021052023.4U CN202021052023U CN212614616U CN 212614616 U CN212614616 U CN 212614616U CN 202021052023 U CN202021052023 U CN 202021052023U CN 212614616 U CN212614616 U CN 212614616U
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- rubber core
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Abstract
The utility model belongs to the technical field of self-sealing rubber cores, in particular to a self-sealing rubber core for well drilling, aiming at the existing self-sealing rubber core when placing an oil pipe, because the oil pipe at the lower part is positioned with deviation or is not fixed firmly, the oil pipe is easy to be connected difficultly, and the oil pipe is easy to displace in the self-sealing rubber core after long-time use, the following proposal is proposed, the self-sealing rubber core comprises a self-sealing rubber core body and a well sealing device arranged on the outer side of the self-sealing rubber core body, wherein a pressure ring is arranged in the well sealing device, the pressure ring is positioned right above the self-sealing rubber core body, a thread fixing block is arranged on the inner wall of the well sealing device in a threaded manner, and a gland is fixedly connected to the top of the thread fixing block, because the fixed ring and the connecting ring are convenient to connect and fix, the oil pipe is convenient to connect, and the oil pipe cannot displace in the self-sealing rubber core in use.
Description
Technical Field
The utility model relates to a proclaim oneself and glue core technical field, especially relate to a well drilling is with proclaiming oneself and glue core.
Background
According to data provided by the provincial energy bureau, the price of domestic finished oil is greatly lowered from the international oil price high platform diving in 2014, which causes certain negative effects on crude oil production enterprises and energy industries in Shaanxi province. How to achieve steady growth in the dilemma requires enhanced recovery and single well production through technological advances. The production of Shaanxi province oil field enterprises is less and less, new wells capable of being developed are more and more limited, many oil field enterprises need to improve the recovery ratio and the single well yield through relevant measures such as water injection and downhole operation to achieve the purposes of stable yield and yield increase, and self-sealing rubber cores are needed in the oil field drilling and oil extraction processes;
however, when the existing self-sealing rubber core is used for placing an oil pipe, the oil pipe is difficult to connect due to the fact that the lower oil pipe is positioned in a deviated manner or is not fixed firmly, and the oil pipe is easy to displace in the self-sealing rubber core after being used for a long time;
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current self-sealing rubber core when placing oil pipe, because the oil pipe location of below has the deviation or does not have fixed firm, make oil pipe connection difficulty easily, and oil pipe is easy after long-time the use in the shortcoming of self-sealing rubber core internal displacement, and the drilling is with self-sealing rubber core who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a self-sealing rubber core for well drilling comprises a self-sealing rubber core body and a well sealer arranged on the outer side of the self-sealing rubber core body, wherein a pressing ring is arranged in the well sealer, the pressing ring is positioned right above the self-sealing rubber core body, a thread fixing block is arranged on the inner wall of the well sealer in a threaded manner, a gland is fixedly connected to the top of the thread fixing block, a mounting opening is formed in the bottom of the well sealer, a fixing ring is fixedly arranged in the mounting opening, a placing groove is formed in the bottom of the fixing ring, a connecting ring is arranged in the placing groove, a bottom oil pipe is arranged on the connecting ring, positioning blocks are symmetrically arranged on the inner wall of the placing groove, first spring grooves are formed in one sides, close to each other, of the two positioning blocks, wedge-shaped sliding blocks are arranged in the two first spring grooves in a sliding manner, sliding holes communicated with the two first spring grooves are respectively formed in the fixing ring, sliding rods are arranged in the two sliding holes in, the other end of two slide bars all extends to solid fixed ring's the outside and fixedly connected with pulls the piece, the wedge slider cooperatees with the go-between, oil pipe hole has all been seted up on thread fixing block and the gland, two rectangle spouts that communicate with oil pipe hole are seted up to the symmetry on the gland, equal slidable mounting has the rectangle pole in two rectangle spouts, the one end of two rectangle poles all extends to the downthehole and fixedly connected with grip block of oil pipe, set up the rotatory hole of communicating mutually with two rectangle spouts on the gland respectively, all rotate in two rotatory holes and install the threaded rod, the one end of two threaded rods all extends to the outside and the fixedly connected with knob of gland, the knob cooperatees with the grip block.
Preferably, the thread groove has all been seted up to the other end of two rectangular rods, and the other end of two threaded rods is threaded mounting in two thread grooves respectively, and the threaded rod can drive the rectangular rod through the thread groove and remove.
Preferably, the outer sides of the two sliding rods are all sleeved with first springs, one ends of the two first springs are fixedly connected with one sides of the two wedge-shaped sliding blocks respectively, the other ends of the two first springs are fixedly connected with the inner wall of one side of each of the two first spring grooves respectively, and the first springs can drive the wedge-shaped sliding blocks to reset.
Preferably, two grooves are symmetrically formed in the outer side of the connecting ring, clamping grooves communicated with the two grooves are formed in the connecting ring respectively, the clamping grooves are matched with the wedge-shaped sliding block, and the wedge-shaped sliding block can be locked by the clamping grooves.
Preferably, set up on the solid fixed ring and place two second spring grooves that the groove was put through mutually, two equal slidable mounting in the second spring groove have the extrusion piece, the one end of equal fixedly connected with second spring on the one side inner wall in two second spring grooves, the other end of two second springs respectively with one side fixed connection of two extrusion pieces, the second spring can drive the extrusion piece and reset.
Compared with the prior art, the utility model has the advantages of:
(1) according to the scheme, the positioning block is matched with the groove, and the wedge-shaped sliding block is matched with the clamping groove, so that the connecting ring and the fixing ring are convenient to position and firm to fix;
(2) according to the scheme, the rotating button is matched with the spiral rod, and the threaded rod is matched with the rectangular rod through the thread groove, so that the oil pipe is convenient to further fix after being installed;
the utility model discloses in through setting up grip block and solid fixed ring for from the packing rubber core when placing oil pipe, because solid fixed ring is convenient for connect with the go-between and fixed, make oil pipe connect conveniently, and oil pipe in use can not be in the packing rubber core displacement of proclaiming oneself.
Drawings
Fig. 1 is a schematic structural view of a self-sealing rubber core for well drilling according to the present invention;
fig. 2 is a schematic view of a connection ring structure of a self-sealing rubber core for well drilling according to the present invention;
fig. 3 is a schematic structural view of a fixing ring of the self-sealing rubber core for well drilling according to the present invention;
fig. 4 is an enlarged schematic structural view of a point a in fig. 1 of the self-sealing rubber core for well drilling according to the present invention.
In the figure: 1 from sealing rubber core body, 2 blowout preventers, 3 clamping rings, 4 thread fixing blocks, 5 glands, 6 fixed rings, 7 standing grooves, 8 connecting rings, 9 bottom oil pipes, 10 locating blocks, 11 first spring grooves, 12 wedge-shaped sliders, 13 sliding rods, 14 pulling blocks, 15 oil pipe holes, 16 rectangular rods, 17 clamping blocks, 18 threaded rods, 19 rotating buttons, 20 first springs, 21 clamping grooves, 22 second spring grooves, 23 extruding blocks and 24 second springs.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-4, a self-sealing rubber core for well drilling comprises a self-sealing rubber core body 1 and a well sealer 2 arranged outside the self-sealing rubber core body 1, wherein a press ring 3 is arranged in the well sealer 2, the press ring 3 is positioned right above the self-sealing rubber core body 1, a thread fixing block 4 is arranged on the inner wall of the well sealer 2 in a threaded manner, a gland 5 is fixedly connected to the top of the thread fixing block 4, an installation opening is arranged at the bottom of the well sealer 2, a fixing ring 6 is fixedly arranged in the installation opening, a placing groove 7 is arranged at the bottom of the fixing ring 6, a connecting ring 8 is arranged in the placing groove 7, a bottom oil pipe 9 is arranged on the connecting ring 8, positioning blocks 10 are symmetrically arranged on the inner wall of the placing groove 7, first spring grooves 11 are respectively arranged at one side where the two positioning blocks 10 are close to each other, wedge-shaped sliding blocks 12 are respectively arranged in the two first spring grooves 11, sliding holes communicated, slide bars 13 are slidably mounted in the two slide holes, one ends of the two slide bars 13 respectively extend into the two first spring grooves 11 and are fixedly connected with one sides of the two wedge-shaped slide blocks 12, the other ends of the two slide bars 13 respectively extend to the outer side of the fixed ring 6 and are fixedly connected with pulling blocks 14, the wedge-shaped slide blocks 12 are matched with the connecting ring 8, oil pipe holes 15 are respectively formed in the thread fixing block 4 and the gland 5, two rectangular slide grooves communicated with the oil pipe holes 15 are symmetrically formed in the gland 5, rectangular rods 16 are slidably mounted in the two rectangular slide grooves, one ends of the two rectangular rods 16 respectively extend into the oil pipe holes 15 and are fixedly connected with clamping blocks 17, rotary holes communicated with the two rectangular slide grooves are respectively formed in the gland 5, threaded rods 18 are rotatably mounted in the two rotary holes, one ends of the two threaded rods 18 respectively extend to the outer side of the gland 5 and are fixedly connected with rotary, the rotation knob 19 is fitted to the holding block 17.
In this embodiment, the other ends of the two rectangular rods 16 are both provided with a thread groove, the other ends of the two threaded rods 18 are respectively threadedly mounted in the two thread grooves, and the threaded rods 18 can drive the rectangular rods 16 to move through the thread grooves.
In this embodiment, the outer sides of the two sliding rods 13 are respectively sleeved with the first springs 20, one ends of the two first springs 20 are respectively fixedly connected with one sides of the two wedge sliders 12, the other ends of the two first springs 20 are respectively fixedly connected with the inner walls of one sides of the two first spring grooves 11, and the first springs 20 can drive the wedge sliders 12 to reset.
In this embodiment, two grooves are symmetrically formed in the outer side of the connecting ring 8, the connecting ring 8 is respectively provided with a clamping groove 21 communicated with the two grooves, the clamping groove 21 is matched with the wedge-shaped slider 12, and the wedge-shaped slider 12 can be locked by the clamping groove 21.
In this embodiment, set up two second spring grooves 22 that put through mutually with standing groove 7 on the solid fixed ring 6, equal slidable mounting has extrusion piece 23 in two second spring grooves 22, equal fixedly connected with second spring 24's one end on one side inner wall of two second spring grooves 22, two second spring 24's the other end respectively with one side fixed connection of two extrusion pieces 23, second spring 24 can drive extrusion piece 23 and reset.
Example two
Referring to fig. 1-4, a self-sealing rubber core for well drilling comprises a self-sealing rubber core body 1 and a well sealer 2 arranged outside the self-sealing rubber core body 1, wherein a press ring 3 is arranged in the well sealer 2, the press ring 3 is positioned right above the self-sealing rubber core body 1, a thread fixing block 4 is arranged on the inner wall of the well sealer 2 in a threaded manner, the top of the thread fixing block 4 is fixedly connected with a gland 5 through welding, the bottom of the well sealer 2 is provided with an installation opening, a fixing ring 6 is fixedly installed in the installation opening through welding, the bottom of the fixing ring 6 is provided with a placing groove 7, a connecting ring 8 is arranged in the placing groove 7, a bottom oil pipe 9 is arranged on the connecting ring 8, positioning blocks 10 are symmetrically arranged on the inner wall of the placing groove 7, one side of the two positioning blocks 10 close to each other is provided with a first spring groove 11, wedge-shaped sliding blocks 12 are slidably installed in the two first spring grooves 11, sliding holes communicated with, slide rods 13 are slidably mounted in the two slide holes, one ends of the two slide rods 13 respectively extend into the two first spring grooves 11 and are fixedly connected with one sides of the two wedge-shaped slide blocks 12 by welding, the other ends of the two slide rods 13 respectively extend to the outer side of the fixed ring 6 and are fixedly connected with a pulling block 14 by welding, the wedge-shaped slide blocks 12 are matched with the connecting ring 8, oil pipe holes 15 are respectively formed in the thread fixing block 4 and the gland 5, two rectangular slide grooves communicated with the oil pipe holes 15 are symmetrically formed in the gland 5, rectangular rods 16 are slidably mounted in the two rectangular slide grooves, one ends of the two rectangular rods 16 respectively extend into the oil pipe holes 15 and are fixedly connected with a clamping block 17 by welding, rotary holes communicated with the two rectangular slide grooves are respectively formed in the gland 5, threaded rods 18 are rotatably mounted in the two rotary holes, one ends of the two threaded rods 18 respectively extend to the outer side of the gland 5 and are fixedly connected with rotary, the rotation knob 19 is fitted to the holding block 17.
In this embodiment, the other ends of the two rectangular rods 16 are both provided with a thread groove, the other ends of the two threaded rods 18 are respectively threadedly mounted in the two thread grooves, and the threaded rods 18 can drive the rectangular rods 16 to move through the thread grooves.
In this embodiment, the outer sides of the two sliding rods 13 are respectively sleeved with the first springs 20, one ends of the two first springs 20 are respectively fixedly connected with one side of the two wedge-shaped sliding blocks 12 by welding, the other ends of the two first springs 20 are respectively fixedly connected with the inner wall of one side of the two first spring grooves 11 by welding, and the first springs 20 can drive the wedge-shaped sliding blocks 12 to reset.
In this embodiment, two grooves are symmetrically formed in the outer side of the connecting ring 8, the connecting ring 8 is respectively provided with a clamping groove 21 communicated with the two grooves, the clamping groove 21 is matched with the wedge-shaped slider 12, and the wedge-shaped slider 12 can be locked by the clamping groove 21.
In this embodiment, set up two second spring grooves 22 that put through mutually with standing groove 7 on the solid fixed ring 6, equal slidable mounting has extrusion piece 23 in two second spring grooves 22, all is connected with the one end of second spring 24 through welded fastening on one side inner wall of two second spring grooves 22, and welded fastening is connected through welded fastening with one side of two extrusion pieces 23 respectively to the other end of two second springs 24, and second spring 24 can drive extrusion piece 23 and reset.
In this embodiment, when the self-sealing rubber core body 1 is placed in the blowout preventer 2, the press ring 3 is placed above the self-sealing rubber core body 1, the thread fixing block 4 is screwed onto the blowout preventer 2 by rotating the press cover 5, the connecting ring 8 corresponds to the placing groove 7, the groove corresponds to the positioning block 10, and the connecting ring 8 is engaged with the placing groove 7, in this process, the wedge-shaped slider 12 slides in the first spring groove 11 and deforms the first spring 20 until the wedge-shaped slider 12 corresponds to the clamping groove 21, at this time, the first spring 20 deforms and restores to drive the wedge-shaped slider 12 to engage with the clamping groove 21, so that the fixing ring 6 fixes the connecting ring 8, and in this process, the connecting ring 8 presses the pressing block 23, so that the pressing block 23 slides in the second spring groove 22 and deforms the second spring 24, and then the oil pipe passes through the oil pipe hole 15, The clamping ring 3, the self-sealing rubber core body 1 and the fixing ring 6 are clamped with the bottom oil pipe 9 on the connecting ring 8 at last, then the rotating button 19 is rotated, the rotating button 19 drives the threaded rod 18 to rotate, the threaded rod 18 drives the rectangular rod 16 to move through the thread groove, and the rectangular rod 16 drives the clamping block 17 to clamp and fix the oil pipe.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (5)
1. A self-sealing rubber core for well drilling comprises a self-sealing rubber core body (1) and a well sealer (2) arranged on the outer side of the self-sealing rubber core body (1), and is characterized in that a pressing ring (3) is arranged in the well sealer (2), the pressing ring (3) is positioned right above the self-sealing rubber core body (1), a thread fixing block (4) is arranged on the inner wall of the well sealer (2) in a threaded manner, a gland (5) is fixedly connected to the top of the thread fixing block (4), a mounting opening is formed in the bottom of the well sealer (2), a fixing ring (6) is fixedly arranged in the mounting opening, a placing groove (7) is formed in the bottom of the fixing ring (6), a connecting ring (8) is arranged in the placing groove (7), a bottom oil pipe (9) is arranged on the connecting ring (8), positioning blocks (10) are symmetrically arranged on the inner wall of the placing groove (7), a first spring groove (11) is formed in one, the two first spring grooves (11) are internally and respectively provided with a wedge-shaped sliding block (12) in a sliding way, the fixing ring (6) is respectively provided with a sliding hole communicated with the two first spring grooves (11), the two sliding holes are internally and respectively provided with a sliding rod (13), one end of each sliding rod (13) respectively extends into the two first spring grooves (11) and is fixedly connected with one side of each wedge-shaped sliding block (12), the other end of each sliding rod (13) extends to the outer side of the fixing ring (6) and is fixedly connected with a pulling block (14), the wedge-shaped sliding blocks (12) are matched with the connecting ring (8), the thread fixing block (4) and the gland (5) are respectively provided with an oil pipe hole (15), the gland (5) is symmetrically provided with two rectangular sliding grooves communicated with the oil pipe hole (15), the two rectangular sliding grooves are respectively and slidably provided with a rectangular rod (16), one end of each rectangular rod (16) extends into the oil pipe hole (15) and is fixedly connected with a, set up the rotatory hole of putting through mutually with two rectangle chutes on gland (5) respectively, all rotate in two rotatory holes and install threaded rod (18), the one end of two threaded rod (18) all extends to the outside and fixedly connected with knob (19) of gland (5), knob (19) cooperate with grip block (17).
2. The self-sealing rubber core for drilling according to claim 1, wherein the other ends of the two rectangular rods (16) are provided with thread grooves, and the other ends of the two threaded rods (18) are respectively and threadedly mounted in the two thread grooves.
3. The self-sealing rubber core for well drilling according to claim 1, characterized in that the first springs (20) are sleeved on the outer sides of the two sliding rods (13), one ends of the two first springs (20) are fixedly connected with one side of the two wedge-shaped sliding blocks (12), and the other ends of the two first springs (20) are fixedly connected with the inner wall of one side of the two first spring grooves (11).
4. The self-sealing rubber core for well drilling according to claim 1, wherein two grooves are symmetrically formed on the outer side of the connecting ring (8), clamping grooves (21) communicated with the two grooves are respectively formed on the connecting ring (8), and the clamping grooves (21) are matched with the wedge-shaped sliding blocks (12).
5. The self-sealing rubber core for well drilling according to claim 1, wherein the fixing ring (6) is provided with two second spring grooves (22) communicated with the placing groove (7), the two second spring grooves (22) are internally provided with the extrusion blocks (23) in a sliding manner, one end of each second spring (24) is fixedly connected to one inner wall of each second spring groove (22), and the other end of each second spring (24) is fixedly connected to one side of each extrusion block (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021052023.4U CN212614616U (en) | 2020-06-10 | 2020-06-10 | Self-sealing rubber core for well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021052023.4U CN212614616U (en) | 2020-06-10 | 2020-06-10 | Self-sealing rubber core for well drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212614616U true CN212614616U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021052023.4U Active CN212614616U (en) | 2020-06-10 | 2020-06-10 | Self-sealing rubber core for well drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212614616U (en) |
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2020
- 2020-06-10 CN CN202021052023.4U patent/CN212614616U/en active Active
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