CN210659974U - Wellhead tubular column centralizing device for pressure operation - Google Patents
Wellhead tubular column centralizing device for pressure operation Download PDFInfo
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- CN210659974U CN210659974U CN201921129937.3U CN201921129937U CN210659974U CN 210659974 U CN210659974 U CN 210659974U CN 201921129937 U CN201921129937 U CN 201921129937U CN 210659974 U CN210659974 U CN 210659974U
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Abstract
The utility model discloses a pressure operation well head tubular column righting device, which belongs to the technical field of oil and natural gas drilling equipment, and comprises a righting ring, an upper starting ring and a lower starting ring, wherein the upper starting ring, the righting ring and the lower starting ring are sequentially distributed from top to bottom, a pair of symmetrically distributed dodging grooves are respectively arranged on the ring walls of the upper starting ring and the lower starting ring, a clamping ball is arranged at the groove mouth of the dodging groove, the clamping ball is in clearance fit with the dodging groove, a pressing switch is fixedly connected on the bottom wall of the dodging groove, one end of the clamping ball close to the pressing switch is fixedly connected with a trigger rod, a guide ring matched with the trigger rod is fixedly connected on the side wall of the dodging groove, a first compression spring is fixedly connected between the clamping ball and the guide ring, and power boxes are fixedly connected at the left end and the right end of the righting ring, so that the tubular column can be righted in real time, make things convenient for the coupling on the tubular column to normally pass through, improve the effect of rightting to the tubular column.
Description
Technical Field
The utility model relates to an oil and natural gas drilling equipment technical field, more specifically say, relate to a pressure operation well head tubular column righting device.
Background
In the process of developing oil and gas fields, well repair operation is often required under the conditions of stratum pressure change, underground accidents, changes of mining modes and process technologies, adjustment of mining layer series and the like. The oilfield workover treatment refers to a frequent and repeated maintenance and repair operation process of putting or replacing a production string into an oil-gas well or a water well casing in order to remove a fault of the oil-gas well, recover the production capacity, reform an oil layer and improve the production capacity of the oil-gas well so as to obtain greater economic benefit.
The maintenance operation of the oil-water well usually adopts three operation modes of open flow, well killing and operation under pressure. If open flow pressure relief is adopted, resources are wasted, formation pressure balance is damaged, ground environment pollution is caused, and the operation period is prolonged; when the well killing operation is carried out, the well killing fluid contacts the stratum, so that the stratum seepage channel is blocked, the stratum is polluted, and the recovery ratio is finally influenced. In order to not damage the stratum, keep the stratum energy, shorten the operation period and reduce the environmental pollution, the set of workover equipment and the method are based on the pressurized operation technology. The operation under pressure mainly refers to an efficient operation mode that in the well repairing operation process of a well site, a blowout preventer for operation under pressure is used for controlling the pressure in a well under the condition that well killing and blowout of a high-pressure water injection well are not carried out, so that liquid under pressure cannot leak and blowout cannot be generated, and a pipe column is lifted and lowered under the condition of the pressure.
The wellhead righting device is special equipment for righting an oilfield wellhead pipe column, the equipment used at present is installed on an operation derrick, but due to the existence of a coupling on the pipe column, the structure size is large, and the coupling detector cannot correctly send out an alarm or a control signal due to the fact that the distance from the coupling detector is far away, the righting effect is not ideal for the problem existing in an operation well under pressure, and the situation that the passing of the coupling is not influenced on the basis of righting the pipe column in real time is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a device is right to operation well head tubular column is pressed in area, it can realize carrying out the basis of rightting to the tubular column in real time, makes things convenient for the coupling on the tubular column to normally pass through, improves the effect of rightting to the tubular column.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A wellhead tubular column centralizing device for operation under pressure comprises a centralizing ring, an upper starting ring and a lower starting ring, wherein the upper starting ring, the centralizing ring and the lower starting ring are sequentially distributed from top to bottom, a pair of symmetrically distributed avoiding grooves are respectively formed in the inner ring walls of the upper starting ring and the lower starting ring, a clamping ball is arranged at the position of each avoiding groove, the clamping ball is in clearance fit with the avoiding grooves, a pressing switch is fixedly connected to the bottom wall of each avoiding groove, one end of the clamping ball, which is close to the pressing switch, is fixedly connected with a trigger rod, a guide ring matched with the trigger rod is fixedly connected to the side wall of each avoiding groove, a first compression spring is fixedly connected between the clamping ball and the guide ring, power supply boxes are fixedly connected to the left end and the right end of the centralizing ring, a power supply is installed in each power supply box, the power supply and the pressing switch are electrically connected, an annular accommodating groove is formed in the inner ring wall of the centraliz, the annular is accomodate the inslot and is equipped with a pair of symmetric distribution's spacing semi-ring, the annular is accomodate the electro-magnet of a pair of symmetric distribution of fixedly connected with on the groove diapire, and same electric connection between electro-magnet and the power pack, spacing semi-ring is close to electro-magnet one end fixedly connected with and removes magnet, a pair of second compression spring of fixedly connected with between the groove diapire is accomodate to spacing semi-ring and annular, can realize in real time righting the basis to the tubular column on, make things convenient for the coupling on the tubular column to normally pass through, improve the effect of rightting to the tubular.
Further, still fixedly connected with a pair of telescopic link between removal magnet and the electro-magnet, and second compression spring overlaps outside the telescopic link for it is difficult for being difficult for leading to inefficacy because of taking place the non-work to deformation to protect second compression spring.
Furthermore, it is a pair of spacing semi-ring is close to one end each other and all cuts the adsorption tank, the interior fixedly connected with auxiliary magnet piece of adsorption tank assists fixedly through the magnetic attraction between the auxiliary magnet piece on a pair of spacing semi-ring, and the more effectual a pair of spacing semi-ring of drive of elasticity of cooperation second compression spring merges and fixes, and then improves the effect of rightting to the tubular column.
Further, lower start ring lower extreme fixedly connected with counterweight ring, the last mounting hole that cuts a plurality of evenly distributed of counterweight ring utilizes to reduce the focus and enlarges the basal area and improves stability, and the setting of mounting hole is used for installing at the operation derrick through the bolt.
Further, card ball surface connection has the layer of polishing, and the surface of card ball is polished and is done smooth processing promptly, cooperates when making things convenient for tubular column coupling and card ball contact, turns into the horizontal thrust to the card ball with the ascending pressure part of vertical side.
Furthermore, the movable magnet is close to one end of the electromagnet and fixedly connected with an elastic sponge layer, and is used for buffering adsorption contact of the movable magnet after being electrified and magnetized by the electromagnet, so that the electromagnet can be effectively protected.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme can realize in real time rightting the tubular column on the basis, makes things convenient for coupling on the tubular column to normally pass through, improves the righting effect to the tubular column.
(2) Still fixedly connected with a pair of telescopic link between removal magnet and the electro-magnet, and second compression spring overlaps outside the telescopic link for it is difficult for because of taking place the non-working to lead to inefficacy to deformation to protect second compression spring.
(3) A pair of spacing semi-ring is close to one end each other and all cuts the adsorption tank, and the interior fixedly connected with of adsorption tank assists the magnet piece, and magnetism through the supplementary magnet piece on a pair of spacing semi-ring between power is assisted fixedly, and the more effectual a pair of spacing semi-ring of drive of cooperation second compression spring merges and fixes, and then improves the effect of rightting to the tubular column.
(4) Lower start ring lower extreme fixedly connected with counterweight ring cuts a plurality of evenly distributed's mounting hole on the counterweight ring, utilizes to reduce the focus and enlarges the basal area and improves stability, and the setting of mounting hole is used for installing at the operation derrick through the bolt.
(5) Card ball surface connection has the layer of polishing, and smooth processing is done through polishing to the surface of card ball promptly, cooperates when making things convenient for tubular column coupling and card ball contact, turns into the horizontal thrust to the card ball with the ascending pressure part of vertical side.
(6) The movable magnet is close to one end of the electromagnet and fixedly connected with the elastic sponge layer, and is used for buffering the adsorption contact of the movable magnet after being electrified and magnetized by the electromagnet, so that the electromagnet can be effectively protected.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the upper actuating ring, the righting ring and the lower actuating ring of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic structural view of the stopper half ring portion of the present invention.
The reference numbers in the figures illustrate:
101 righting ring, 102 upper starting ring, 103 lower starting ring, 2 calorie balls, 3 trigger bars, 4 push type switches, 5 guide rings, 6 first compression springs, 7 spacing semi-rings, 8 removal magnets, 9 electro-magnets, 10 second compression springs, 11 telescopic links, 12 power supply boxes, 13 counterweight rings.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a wellhead tubular column centralizing device for belt-pressure operation comprises a centralizing ring 101, an upper starting ring 102 and a lower starting ring 103, wherein the upper starting ring 102, the centralizing ring 101 and the lower starting ring 103 are sequentially distributed up and down, the upper starting ring 102 and the lower starting ring 103 have consistent effects and respectively act on the descending and ascending of a tubular column, the inner diameters of the centralizing ring 101, the upper starting ring 102 and the lower starting ring 103 are slightly larger than the outer diameter of an upper collar of the tubular column, a counterweight ring 13 is fixedly connected to the lower end of the lower starting ring 103, a plurality of uniformly distributed mounting holes are drilled in the counterweight ring 13, the stability is improved by lowering the center of gravity and expanding the bottom area, and the mounting holes are used for being mounted on an operation well frame through bolts.
Referring to fig. 2-3, a pair of symmetrically distributed avoiding grooves are formed in the inner annular walls of the upper starting ring 102 and the lower starting ring 103, a clamping ball 2 is arranged at the position of the avoiding groove, the clamping ball 2 is in clearance fit with the avoiding grooves, the clamping ball 2 is a ball which is easy to convert the pressure in the vertical direction into horizontal elastic force when being extruded by a coupling, and then enters the avoiding groove to avoid the coupling, the surface of the clamping ball 2 is connected with a polishing layer, namely the surface of the clamping ball 2 is polished and smoothened, so that the tubular column coupling is matched with the clamping ball 2 when being contacted with the clamping ball 2, the pressure in the vertical direction is partially converted into horizontal thrust to the clamping ball 2, a pressing switch 4 is fixedly connected to the bottom wall of the avoiding groove, a trigger rod 3 is fixedly connected to one end of the clamping ball 2 close to the pressing switch 4 for triggering the pressing switch 4, and a guide ring 5 matched with the trigger rod 3 is fixedly connected to the side wall of, the trigger bar 3 is guided, a first compression spring 6 is fixedly connected between the jamming ball 2 and the guide ring 5 and provides elastic force for pushing the jamming ball 2 to reset, the left end and the right end of the righting ring 101 are fixedly connected with a power supply box 12, a power supply is installed in the power supply box 12 and is electrically connected with the press switch 4, the trigger bar 3 is communicated with the power supply after triggering the press switch 4, please refer to fig. 4, an annular accommodating groove is drilled on the inner annular wall of the righting ring 101, a pair of symmetrically distributed limit semi-rings 7 are arranged in the annular accommodating groove, the inner diameter of the limit semi-rings 7 is smaller than that of a coupling but slightly larger than that of a pipe column to centralize the pipe column, a pair of symmetrically distributed electromagnets 9 are fixedly connected on the bottom wall of the annular accommodating groove, the electromagnets 9 are also electrically connected with the power supply box 12, when the press switch 4 is triggered by the trigger bar 3, the power supply supplies current, electromagnet 9 circular telegram is electrified magnetically, spacing semi-ring 7 is close to 9 one end fixedly connected with moving magnet 8 of electromagnet, a magnetic attraction for responding electromagnet 9, it is close to electromagnet 9 and enters into the annular and accomodates the groove to drive spacing semi-ring 7, supply to connect the hoop to pass through, a pair of second compression spring 10 of fixedly connected with between spacing semi-ring 7 and the annular groove diapire of accomodating, the elasticity that promotes spacing semi-ring 7 and reset is provided, still a pair of telescopic link 11 of fixedly connected with between moving magnet 8 and the electromagnet 9, and second compression spring 10 cover is outside telescopic link 11, be used for protecting second compression spring 10 and be difficult for leading to losing efficacy because of taking place the non-working to deformation, moving magnet 8 is close to 9 one end fixedly connected with elasticity sponge layer of electromagnet, an adsorption contact for moving magnet 8 after 9 circular telegram is electrified magnetically played the cushioning effect, can effectively.
Referring to fig. 2, an adsorption groove is formed at one end of each of the pair of limiting half rings 7, an auxiliary magnet block is fixedly connected to the adsorption groove, the magnetic attraction between the auxiliary magnet blocks on the pair of limiting half rings 7 assists the fixing, and the elastic force of the second compression spring 10 is matched to more effectively drive the combination and fixing of the pair of limiting half rings 7, so that the centralizing effect on the tubular column is improved.
When the pipe string is lowered from a well mouth in use, the pipe string passes through the utility model, the pair of limit semi-rings 7 are in a combined state and only allow the pipe string to pass through, thereby strengthening the pipe string, when a coupling on the pipe string enters the utility model, the pair of stop semi-rings 2 in the upper starting ring 102 are firstly contacted, and the stop semi-rings 2 are extruded to enter the avoiding groove, the stop semi-rings 7 are driven by the stop semi-rings 2 to move inwards to contact and trigger the press type switch 4, the electromagnet 9 is powered after the switch 4 is connected with a power supply, the electromagnet 9 is powered on and magnetized, then the moving magnet 8 is adsorbed by using huge magnetic attraction, the moving magnet 8 drives the pair of limit semi-rings 7 to separate and enter the annular receiving groove, the coupling is not blocked any more for the coupling to normally pass through, when the coupling reaches the lower starting ring 103 through the strengthening ring 101 and contacts the pair of stop semi-rings 2, the press type switch 4 is driven, push type switch 4 disconnection power supply stops to electro-magnet 9 power supply, and spacing semi-ring 7 resets under the spring action of second compression spring 10, and a pair of spacing semi-ring 7 merges again and rights the tubular column, the utility model discloses the push type switch 4 that corresponds on well upper start ring 102 and 104 is two switches among the prior art, and is prior art with the circuit connection between power and the electro-magnet 9, and this embodiment no longer details, compares with current righting device, the utility model discloses can realize on the basis of righting the tubular column in real time, make things convenient for the coupling on the tubular column to normally pass through, improve the effect of righting to the tubular column.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides a pressure operation well head tubular column righting device which characterized in that: the device comprises a righting ring (101), an upper starting ring (102) and a lower starting ring (103), wherein the upper starting ring (102), the righting ring (101) and the lower starting ring (103) are sequentially distributed from top to bottom, a pair of symmetrically-distributed avoiding grooves are formed in the inner walls of the upper starting ring (102) and the lower starting ring (103), a clamping ball (2) is arranged at the position of each avoiding groove, the clamping ball (2) is in clearance fit with the avoiding grooves, a push switch (4) is fixedly connected to the bottom wall of each avoiding groove, one end, close to the push switch (4), of the clamping ball (2) is fixedly connected with a trigger rod (3), a guide ring (5) matched with the trigger rod (3) is fixedly connected to the side wall of each avoiding groove, a first compression spring (6) is fixedly connected between the clamping ball (2) and the guide ring (5), and power supply boxes (12) are fixedly connected to the left end and the right end of the righting ring (101), install the power in power pack (12), and electric connection between power and push type switch (4), it has the annular to accomodate the groove to cut on ring (101) inner ring wall to right, the annular is accomodate the spacing semi-ring (7) that the inslot was equipped with a pair of symmetric distribution, electromagnet (9) that fixedly connected with a pair of symmetric distribution on the groove diapire are accomodate to the annular, and same electric connection between electromagnet (9) and power pack (12), spacing semi-ring (7) are close to electromagnet (9) one end fixedly connected with and remove magnet (8), a pair of second compression spring (10) of fixedly connected with between the groove diapire are accomodate to spacing semi-ring (7) and annular.
2. The wellhead tubular column centralizing device for under-pressure operation according to claim 1, characterized in that: still fixedly connected with a pair of telescopic link (11) between removal magnet (8) and electro-magnet (9), and second compression spring (10) cover is outside telescopic link (11).
3. The wellhead tubular column centralizing device for under-pressure operation according to claim 1, characterized in that: one end of the limiting semi-ring (7) close to each other is provided with an adsorption groove, and an auxiliary magnet block is fixedly connected in the adsorption groove.
4. The wellhead tubular column centralizing device for under-pressure operation according to claim 1, characterized in that: lower actuating ring (103) lower extreme fixedly connected with counterweight ring (13), it has a plurality of evenly distributed's mounting hole to cut on counterweight ring (13).
5. The wellhead tubular column centralizing device for under-pressure operation according to claim 1, characterized in that: the surface of the clamping ball (2) is connected with a polishing layer.
6. The wellhead tubular column centralizing device for under-pressure operation according to claim 1, characterized in that: one end of the movable magnet (8) close to the electromagnet (9) is fixedly connected with an elastic sponge layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129937.3U CN210659974U (en) | 2019-07-18 | 2019-07-18 | Wellhead tubular column centralizing device for pressure operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129937.3U CN210659974U (en) | 2019-07-18 | 2019-07-18 | Wellhead tubular column centralizing device for pressure operation |
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| CN210659974U true CN210659974U (en) | 2020-06-02 |
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| CN201921129937.3U Active CN210659974U (en) | 2019-07-18 | 2019-07-18 | Wellhead tubular column centralizing device for pressure operation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814580A (en) * | 2021-01-07 | 2021-05-18 | 刘仕贵 | Concrete core drilling machine drill rod for road detection |
| CN114029795A (en) * | 2021-12-01 | 2022-02-11 | 凌溪(苏州)机械科技有限公司 | Full-automatic grinding machine feeding frame for metal shaft machining |
| CN114838718A (en) * | 2022-05-23 | 2022-08-02 | 中国建筑土木建设有限公司 | Simple and easy device of steel-pipe pile construction vertical measurement |
-
2019
- 2019-07-18 CN CN201921129937.3U patent/CN210659974U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814580A (en) * | 2021-01-07 | 2021-05-18 | 刘仕贵 | Concrete core drilling machine drill rod for road detection |
| CN112814580B (en) * | 2021-01-07 | 2023-07-25 | 铁正检测科技有限公司 | Concrete core machine drilling rod for road detection |
| CN114029795A (en) * | 2021-12-01 | 2022-02-11 | 凌溪(苏州)机械科技有限公司 | Full-automatic grinding machine feeding frame for metal shaft machining |
| CN114838718A (en) * | 2022-05-23 | 2022-08-02 | 中国建筑土木建设有限公司 | Simple and easy device of steel-pipe pile construction vertical measurement |
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Effective date of registration: 20220315 Address after: 618399 south section 3, Zhongshan Avenue, Guanghan City, Deyang City, Sichuan Province Patentee after: CHINA NATIONAL PETROLEUM CORPORATION, SOUTHWEST OIL & GASFIELD BRANCH, ENGINEERING TECHNOLOGY Research Institute Address before: 618300 south section 3, Zhongshan Avenue, Guanghan City, Deyang City, Sichuan Province Patentee before: CHINA NATIONAL PETROLEUM CORPORATION, SOUTHWEST OIL & GASFIELD BRANCH, ENGINEERING TECHNOLOGY Research Institute Patentee before: Sichuan shengnuo oil and Gas Engineering Technology Service Co., Ltd |