CN213980718U

CN213980718U - Coiled tubing hydraulic tubing anchor for well workover technology

Info

Publication number: CN213980718U
Application number: CN202022421353.2U
Authority: CN
Inventors: 文晓阳
Original assignee: Heilongjiang Haosong Petroleum Technology Co ltd
Current assignee: Daqing Yirun Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-08-17
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a workover technique coiled tubing hydraulic pressure oil pipe anchor relates to oil field workover oil pipe technical field. The utility model discloses a pressure head, pressure head top are equipped with well core rod, and well core rod is connected with the relief valve, are equipped with the reservoir between pressure valve and the pressure head, and reservoir week side is equipped with the wash port, and the reservoir top is equipped with the baffle, is equipped with the battery on the baffle. The utility model discloses an increase pressure head and make the device can place when needs position at the device, response oil pipe internal pressure, prevent that the too big not knowing of oil pipe internal pressure and lead to oil pipe to damage, through increasing the relief valve, prevent that the too big device that leads to of device internal pressure from damaging, make the moisture after the device work can be collected through increasing the reservoir and prevent that the device from damaging, make the moisture in the device can discharge through increasing the wash port and make device life increase, make device duration increase through increasing the battery.

Description

Coiled tubing hydraulic tubing anchor for well workover technology

Technical Field

The utility model belongs to the technical field of the oil field workover oil pipe, especially, relate to a workover technique coiled tubing hydraulic pressure oil pipe anchor.

Background

When the production string is stuck and the jar cannot unlock the stuck pipe, cutting the tubing is the most effective workover means. The oil pipe cutting means mainly comprises: mechanical cutting, chemical cutting, cable blasting cutting, coiled tubing rotary sand blasting cutting, coiled tubing hydraulic cutting and the like. Compared with several common modes of oil pipe cutting, the coiled tubing hydraulic cutting has the following advantages: the pipe column is subjected to multi-section cutting once, the tangent point is smooth, the later stage salvage is facilitated, the operation under pressure can be carried out, the sleeve is not damaged, the limitation of well deviation is avoided, the cutting time is short, and the like. Therefore, coiled tubing cutting is one of the most effective means for solving the problem of sticking of the current horizontal well pipe column. Due to the characteristics of the coiled tubing, particularly the stability of cutting the tubular column in the horizontal well, the coiled tubing is an important factor for ensuring smooth completion of cutting. The continuous tubing anchor can effectively stabilize and centralize the cutting pipe column, and ensure that the cutting operation is smoothly completed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a workover technique coiled tubing hydraulic pressure oil pipe anchor, when solving current oil pipe jam and need continuous cutting, oil pipe can't be fixed leads to the unable problem of repairing the oil pipe post.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a workover technology coiled tubing hydraulic pressure tubing anchor, including the pressure head, can survey the oil pipe internal pressure and prevent the tubing wall from damaging because of the pressure is too big, the pressure head bottom surface is installed with center rod, the center rod bottom is equipped with the swivel cap, swivel cap and center rod rotary fit, can drive center rod through rotating the swivel cap, be equipped with fixed station and relief valve between pressure head and the swivel cap respectively, the fixed station bottom surface is equipped with screens pole group, screens pole group side is seted up the fixed slot, center rod bottom side welding has fixed pole group, fixed slot and fixed pole group clearance fit, through swivel cap and center rod rotary fit drive the fixed pole group installed on the center rod and produce the removal, make fixed pole group break away from in the fixed slot, the fixed station top surface is equipped with the fixed anchor group, the relief valve bottom is equipped with the cone, lifting the swivel cap simultaneously can make the fixed station upwards move the fixed anchor group by the cone strut on the fixed station make oil pipe fixed, well core rod connection relief valve and fixed station, the relief valve top is equipped with the reservoir, can collect the moisture that the in-service operation was stained with in the device and place oil pipe and damage, and the reservoir top is equipped with the battery, increases the continuation of journey nature of device, and the practicality of greatly increased device, battery and core rod week side are connected, and the battery top is equipped with the apron, makes the device can seal, pressure head, the mutual electric connection of relief valve and battery, makes things convenient for the operation of device more.

Preferably, the side surface of the periphery of the water storage bin is provided with a drain hole, so that water in the water storage bin of the device can be poured out for use next time when the device is taken out after the device is finished working.

Preferably, a connector is arranged between the battery and the water storage bin, and the connector is connected with the battery and the water storage bin.

Preferably, a partition is arranged between the connecting body and the battery to separate the power supply from other components in the device, and the respective work is not influenced.

Preferably, a plurality of anti-skid base plates are arranged on the peripheral side surface of the fixed table, so that the main structure of the device and the structure of the peripheral equipment of the device are connected more tightly, and the device cannot be damaged due to random shaking when the device is used.

Preferably, the side of the blocking rod set is provided with a fixing groove which can be matched with the blocking rod set, so that the device can be kept in the original shape when the device does not need to work.

Preferably, an outer sleeve is arranged between the pressure head and the rotary cover, the device is prevented from being damaged and the cost is reduced when the device is not used, and a moving groove is formed in the peripheral side face of the outer sleeve and is movably matched with the fixed anchor group.

The utility model discloses following beneficial effect has:

the utility model discloses an increase pressure head and make the device can place when needs position at the device, respond to oil pipe internal pressure, prevent that the too big not knowing of oil pipe internal pressure and leading to oil pipe to damage, through increasing the relief valve, prevent that the too big device that leads to of device internal pressure from damaging, make the moisture in the device can discharge through increasing the wash port and make device life increase, make device duration increase through increasing the battery.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall block diagram of a coiled tubing hydraulic tubing anchor for well intervention;

FIG. 2 is a front view of a coiled tubing hydraulic tubing anchor in a workover technique;

FIG. 3 is a cross-sectional view of a coiled tubing hydraulic tubing anchor in a well servicing technique;

FIG. 4 is a block diagram of a set of anchor locations for a coiled tubing hydraulic tubing anchor in workover technology.

In the drawings, the components represented by the respective reference numerals are listed below: 1. a pressure head; 2. a center pole; 3. a fixed table; 4. a pressure relief valve; 5. a water storage bin; 6. a drain hole; 7. a linker; 8. a partition plate; 9. a battery; 10. a cover plate; 11. a rotating cover; 12. a set of anchor anchors; 13. a non-slip mat; 14. a clamping rod group; 15. fixing grooves; 16. a fixed rod group; 17. a jacket; 18. a moving groove; 19. a cone.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the utility model relates to a coiled tubing hydraulic tubing anchor for well workover technology, which comprises a pressure head 1, wherein the pressure head 1 can detect the pressure in the tubing to prevent the tubing wall from being damaged due to excessive pressure, a central rod 2 is installed on the bottom surface of the pressure head 1, a rotary cover 11 is arranged at the bottom end of the central rod 2, the rotary cover 11 is in rotary fit with the central rod 2, the central rod 2 can be driven by rotating the rotary cover 11, a fixed platform 3 and a pressure relief valve 4 are respectively arranged between the pressure head 1 and the rotary cover 11, a clamping rod group 14 is arranged on the bottom surface of the fixed platform 3, a fixed groove 15 is arranged on the side surface of the clamping rod group 14, a fixed rod group 16 is welded on the peripheral side surface of the bottom end of the central rod 2, the fixed groove 15 is in movable fit with the fixed rod group 16, the fixed rod group 16 installed on the central rod 2 is driven to move by the rotary fit of the rotary cover 11 and the central rod 2, so that the fixed rod group 16 is separated from the fixed groove 15, the top surface of the fixed station 3 is provided with a fixed anchor group 12, the bottom end of the pressure release valve 4 is provided with a cone 19, the rotating cover 11 is lifted up to move the fixed station 3 upwards, the fixed anchor group 12 is propped open by the cone 19 on the fixed station 3 to fix the oil pipe, the central rod 2 is connected with the pressure release valve 4 and the fixed station 3, the top end of the pressure release valve 4 is provided with a water storage bin 5 which can collect and place the moisture stained in the device during working to damage the oil pipe, the top end of the water storage bin 5 is provided with a battery 9 which increases the endurance of the device and greatly increases the practicability of the device, the battery 9 is connected with the peripheral side surface of the central rod 2, the top end of the battery 9 is provided with a cover plate 10 which seals the device, the pressure head 1, the pressure release valve 4 and the battery 9 are electrically connected with each other to facilitate the operation of the device, the drain holes 6 are arranged on the peripheral side surface, be equipped with connector 7 between battery 9 and the reservoir 5, connector 7 connects battery 9 and reservoir 5, it separates battery 9 and other components and parts in the device to be equipped with baffle 8 between connector 7 and the battery 9, can not influence respective work, 3 side of fixed station installs the major structure that a plurality of anti-skidding backing plates 13 made the device and the structural connection of device peripheral hardware more closely can not rock at will when the device uses and lead to the device to damage, screens pole group 14 side is equipped with fixed slot 15 and can makes the device can keep the former state when not needing the work with screens pole group 14 cooperation, be equipped with overcoat 17 between pressure head 1 and the swivel cap 11, prevent that the device from damaging the reduce cost when not using, shifting chute 18 has been seted up to overcoat 17 side, shifting chute 18 and fixed anchor group 12 clearance fit.

The working principle is as follows: place the device and take off overcoat 17 at the oil pipe mouth, rotate rotatory 11 back slowly place the device suitable position when needs cutting oil pipe the anchor group 12 on the device can fix oil pipe internal fixation, rotate rotatory 11 when not needing the device fixed once more and can take out the device from oil pipe, convenient next use.

It should be noted that the model of the middle pressure head 1 of the present invention is PX409, which can be replaced by other models, the model of the pressure relief valve 4 is PBA4K-50, which can be replaced by other models, the model of the battery 9 is MD-HSM291145-4-01, which can be replaced by other models, the material of the outer casing 17 is corrosion-resistant stainless steel, which can be replaced by other materials.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a workover technique coiled tubing hydraulic pressure tubing anchor, includes pressure head (1), its characterized in that: the pressure head (1) is provided with a central rod (2) on the bottom surface, the central rod (2) is provided with a rotating cover (11) at the bottom end, the rotating cover (11) is in rotating fit with the central rod (2), a fixed table (3) and a pressure relief valve (4) are respectively arranged between the pressure head (1) and the rotating cover (11), a clamping rod set (14) is arranged on the bottom surface of the fixed table (3), the clamping rod set (14) is arranged on the side surface of the clamping rod set (14), a fixed groove (15) is welded on the side surface of the bottom end of the central rod (2), the fixed groove (15) is in movable fit with the fixed rod set (16), a fixed anchor set (12) is arranged on the top surface of the fixed table (3), a cone (19) is arranged at the bottom end of the pressure relief valve (4), the pressure relief valve (2) is connected with the fixed table (3), and a water storage bin (5) is arranged at the top end of the pressure relief valve (4), the water storage bin (5) top is equipped with battery (9), battery (9) and pin (2) week side are connected, battery (9) top is equipped with apron (10), pressure head (1), relief valve (4) and the mutual electric connection of battery (9).

2. The workover coiled tubing hydraulic tubing anchor of claim 1, wherein the circumferential side of the water storage bin (5) is provided with a drain hole (6).

3. A workover coiled tubing hydraulic tubing anchor as claimed in claim 1, wherein a connector (7) is provided between the battery (9) and the water storage (5), the connector (7) connecting the battery (9) and the water storage (5).

4. A workover coiled tubing hydraulic tubing anchor according to claim 3, wherein a spacer (8) is provided between the connecting body (7) and the battery (9).

5. A workover coiled tubing hydraulic tubing anchor as claimed in claim 1, wherein the fixed table (3) is peripherally fitted with anti-skid pads (13).

6. A workover coiled tubing hydraulic tubing anchor as claimed in claim 1, wherein the set of detent rods (14) are flanked by retaining grooves (15).

7. The coiled tubing hydraulic tubing anchor for workover technology according to claim 1, wherein an outer sleeve (17) is arranged between the pressure head (1) and the rotary cover (11), a moving groove (18) is formed in the peripheral side surface of the outer sleeve (17), and the moving groove (18) is movably matched with the fixed anchor group (12).