A mobile device for continuous tubing injection head

Abstract

The present invention discloses a continuous tubing injection head moving device, comprising: a base, an injection head, an injection head skid and a support frame; a support rod is provided on the injection head skid, and a support wheel is detachably provided on the support rod; the support frame is fixedly provided on the base, a support frame is provided on the support frame, and the support wheel can be installed on the support frame, and the continuous tubing passes through the injection head and is introduced into the gas injection wellhead after being lifted by the injection head skid. The continuous tubing injection head moving device provided by the present application, when the continuous tubing is extended into the well, by removing the support wheel on the support rod, the support wheel lifts the continuous tubing, so that the continuous tubing is separated from the injection head skid, the support wheel is installed on the bracket, and the continuous tubing is placed on the support wheel at the same time, so that the support frame props up the support wheel on the bracket, thereby setting the continuous tubing above the gas injection wellhead, and finally removing the injection head skid from the base, without waiting for the continuous tubing to be pulled out before removing the injection head skid, thereby improving the use efficiency of the injection head skid.

Description

Technical Field

[0001] The invention relates to the technical field of oil production equipment, in particular to a continuous oil pipe injection head moving device. Background Art

[0002] At present, the mobile electric igniter used in oilfield fire drive wells uses a coiled tubing injection head during the tripping operation. The coiled tubing injection head can only be removed after the tripping operation is completed, that is, after the mobile electric igniter is pulled out. Each time the mobile electric igniter is pulled out, it only takes about 5 hours, while the ignition time takes about 20 days. This causes the coiled tubing injection head to be idle on site during the ignition period, reducing the utilization rate of the coiled tubing injection head and wasting resources.

[0003] Patent CN 107724976 B discloses a device that can move a coiled tubing injection head during drilling operations. The second support frame can move on the extended slide rail of the first support frame; the third support frame can move on the second support frame; and the hydraulic cylinder is used to push the second support frame and the third support frame to move. However, the device can only be used to move the injection head after the coiled tubing is pulled out, and cannot move the injection head when the coiled tubing is in the well. Summary of the invention

[0004] The present application provides a continuous tubing injection head moving device, which solves the technical problem that the injection head moving device in the prior art can only be used to move the injection head after the continuous tubing is pulled out, but cannot realize the movement of the continuous tubing while in the well.

[0005] The present application provides a coiled tubing injection head moving device, comprising: a base, an injection head, an injection head skid frame and a support frame;

[0006] The injection head skid is movably arranged on the base, the injection head is arranged on the injection head skid, a support rod is arranged on the injection head skid, and a support wheel is detachably arranged on the support rod;

[0007] The support frame is fixedly arranged on the base, a bracket is arranged on the support frame, the supporting wheel can be installed on the bracket, the continuous oil pipe is lifted by the injection head skid frame, passes through the injection head and is introduced into the gas injection wellhead, and the continuous oil pipe is lifted by the supporting wheel and transferred to the bracket.

[0008] Preferably, slideways are provided on both sides of the base, and rollers are provided at the lower end of the injection head skid, and the rollers can be rotatably arranged in the slideways.

[0009] Preferably, the support frame is fixedly arranged at one end of the base, the coiled oil pipe is arranged on a side of the base away from the support frame, a first support arm is fixedly arranged between the bracket and the support frame, and the bracket is located directly above the gas injection wellhead.

[0010] Preferably, an arc-shaped support member is provided on the injection head skid, the middle position of the arc-shaped support member is bent away from the base, and is used to place the continuous oil pipe on the arc-shaped support member, and one end of the arc-shaped support member close to the gas injection wellhead is located directly above the injection head.

[0011] Preferably, the arc-shaped support member comprises a supporting half ring and supporting ribs, the supporting half ring is a semicircular ring, and two ends of the supporting ribs are respectively fixedly connected to two ends of the supporting half ring.

[0012] Preferably, a rotating seat is fixedly provided on the injection head skid frame, and the arc-shaped support member is rotatably connected to the rotating seat via a first rotating shaft, and the horizontal distance between the first rotating shaft and the axis of the injection head and the distance between the first rotating shaft and any point on the arc surface of the arc-shaped support member are the same; the support rod is fixedly connected to one end of the arc-shaped support member away from the injection head, and a lifting device is fixedly provided on the injection head skid frame, and the lifting device is used to push the arc-shaped support member to rotate and enable the support rod to transfer the support wheel to the support.

[0013] Preferably, the lifting device includes a bracket, a hydraulic cylinder and a connecting rod, the bracket is fixedly arranged on the injection head skid, the connecting rod is fixedly connected to the supporting rod, the hydraulic cylinder base is hinged to the bracket, and the telescopic rod of the hydraulic cylinder is hinged to the connecting rod.

[0014] Preferably, a first fixing groove penetrating transversely is provided on the side of the support rod away from the support frame, a first notch penetrating vertically is provided at the end of the support rod away from the support frame, second rotating shafts are provided on both axial sides of the support wheel corresponding to the first fixing groove, the second rotating shaft is arranged in the first fixing groove, and the support wheel is arranged in the first notch; a second fixing groove penetrating transversely is provided on the side of the support away from the injection head skid frame, a second notch penetrating vertically is provided at the end of the support rod away from the injection head skid frame, a third rotating shaft is provided on both axial sides of the support wheel corresponding to the second fixing groove, the length of the second rotating shaft is greater than the length of the third rotating shaft, the third rotating shaft is arranged in the second fixing groove, the support wheel is arranged in the second notch, and the width of the first notch is greater than or equal to the sum of the widths of the third rotating shaft and the support wheel.

[0015] Preferably, a third fixing groove which penetrates transversely and opens upward is provided at the end of the support rod away from the support frame, and a third notch which penetrates vertically is opened at the end of the support rod away from the support frame; a fourth fixing groove which penetrates transversely and opens upward is provided at the end of the support frame away from the injection head skid frame, and a fourth notch which penetrates vertically is opened at the end of the support frame away from the injection head skid frame; fourth rotating shafts are provided on both axial sides of the support wheel, the support wheel can be respectively arranged in the third notch and the fourth notch, the fourth rotating shaft can be respectively arranged in the third fixing groove and the fourth fixing groove, and circumferential clamping grooves are provided on the side surfaces of the two fourth rotating shafts.

[0016] Preferably, a first groove is provided on the outer circumference of the supporting wheel, and a second groove is provided on the outer side surface of the arc-shaped support member along the conveying direction of the coiled tubing. The coiled tubing can be disposed in the first groove and the second groove, respectively.

[0017] The beneficial effects of this application are as follows:

[0018] The coiled tubing injection head moving device provided in the present application sets the coiled tubing on the injection head skid frame. When the coiled tubing is extended into the well, the supporting wheel on the supporting rod is removed, and the supporting wheel lifts the coiled tubing to separate the coiled tubing from the injection head skid frame. The supporting wheel is installed on the bracket, and the coiled tubing is placed on the supporting wheel at the same time, so that the supporting frame lifts the supporting wheel on the bracket, thereby setting the coiled tubing above the gas injection wellhead, and finally removing the injection head skid frame from the base. There is no need to wait for the coiled tubing to be pulled out before removing the injection head skid frame, thereby improving the use efficiency of the injection head skid frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention.

[0020] Figure 1 This is a schematic diagram of the overall structure of the device in Example 1 of the present application;

[0021] Figure 2 This is a schematic diagram of the overall structure of the supporting wheel shifting state device in Example 1 of the present application;

[0022] Figure 3 This is a schematic diagram of the overall structure of the device when the supporting wheel is separated from the supporting rod in Example 1 of the present application;

[0023] Figure 4 This is a schematic diagram of the overall structure of the device when the injection head skid is moved out of the gas injection wellhead in Example 1 of the present application;

[0024] Figure 5This is a schematic diagram of the coordination structure between the supporting wheel and the supporting rod in Example 1 of the present application;

[0025] Figure 6 This is a schematic diagram of the structure of the support rod and the support bracket when transferring the support wheel in Example 1 of the present application;

[0026] Figure 7 This is a schematic diagram of the coordination structure between the bracket and the supporting wheel in Example 1 of the present application;

[0027] Figure 8 This is a side sectional view of the supporting half ring in Example 1 of the present application;

[0028] Fig. 9 This is a schematic diagram of the overall structure of the device in Example 2 of the present application;

[0029] Fig.10 This is a schematic diagram of the overall structure of the supporting wheel shifting state device in Example 2 of the present application;

[0030] Fig.11 This is a schematic diagram of the coordination structure between the supporting wheel and the supporting rod in Example 2 of the present application;

[0031] Fig.12 This is a schematic diagram of the coordination structure of the bracket and the supporting wheel in Example 2 of the present application.

[0032] Among them, 1-base; 2-injection head skid; 3-injection head; 4-coiled oil pipe; 5-support frame; 501-support arm; 502-bracket; 503-second fixed groove; 504-second notch; 505-third rotating shaft; 506-fourth fixed groove; 507-fourth notch; 6-arc-shaped support member; 600-support semi-ring; 601-first rotating shaft; 602-support rib; 603-rotating seat; 604-second groove; 7-support rod; 701-first fixed groove; 702-first notch; 703-connecting rod; 704-second rotating shaft; 705-third fixed groove; 706-third notch; 707-fourth rotating shaft; 708-slot; 8-support wheel; 9-hydraulic cylinder; 10-bracket; 100-slideway; 103-roller; 12-gas injection wellhead. DETAILED DESCRIPTION

[0033] The embodiment of the present application provides a continuous tubing injection head moving device, which solves the technical problem in the prior art that the injection head moving device can only be used to move the injection head after the continuous tubing is pulled out, and the injection head skid cannot be moved when the continuous tubing is in the well.

[0034] The technical solution in the embodiment of the present application is to solve the above technical problems, and the overall idea is as follows:

[0035] like Figure 1 , 9As shown, a continuous tubing injection head moving device comprises: a base 1, an injection head skid 2, an injection head 3 and a support frame 5; the injection head skid 2 is movably arranged on the base 1, the injection head 3 is arranged on the injection head skid 2, a support rod 7 is arranged on the injection head skid 2, and a support wheel 8 is detachably arranged on the support rod 7; the support frame 5 is fixedly arranged on the base 1, a bracket 502 is arranged on the support frame 5, and the support wheel 8 can be installed on the bracket 502, the continuous tubing 4 is lifted by the injection head skid 2, passes through the injection head 3 and is introduced into the gas injection wellhead 12, and the continuous tubing 4 is lifted by the support wheel 8 and transferred to the bracket 502.

[0036] In the above embodiment, the coiled tubing 4 is erected on the injection head skid 2. When the coiled tubing 4 is extended into the well, the roller 8 on the support rod 7 is removed, and the roller 8 lifts the coiled tubing 4, so that the coiled tubing 4 is separated from the injection head skid 2. The roller 8 is installed on the bracket 502, and the coiled tubing 4 is placed on the roller 8, so that the support frame 5 supports the roller 8 on the bracket 502, so that the coiled tubing 4 is erected above the gas injection wellhead 12, and finally the injection head skid 2 is removed from the base 1, without waiting for the coiled tubing 4 to be lifted out before removing the injection head skid 2, thereby improving the use efficiency of the injection head skid 2.

[0037] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0038] Example 1

[0039] like Figure 1-4 As shown, in order to solve the technical problem that the injection head skid 2 is inconvenient to be removed from the base 1 in the prior art, based on the overall idea, this embodiment provides a continuous tubing injection head moving device, slideways 100 are arranged on both sides of the base 1, and rollers 103 are arranged at the lower end of the injection head skid 2. The rollers 103 can be rolled in the slideways 100. When the continuous tubing 4 is detached from the injection head skid 2, the injection head skid 2 is moved horizontally, so that the injection head skid 2 moves in the slideway 100 through the rollers 103, and the injection head skid 2 is more convenient to move.

[0040] The support frame 5 is fixedly arranged at one end of the base 1, and the continuous oil pipe 4 is arranged on the side of the base 1 away from the support frame 5 by being wound on the reel 13. A support arm 501 is fixedly arranged between the bracket 502 and the support frame 5. The bracket 502 is located directly above the gas injection wellhead 12, so that after the supporting wheel 8 is fixed on the bracket 502, the continuous oil pipe 4 can be vertically introduced into the gas injection wellhead 12, and the laying of the continuous oil pipe 4 is more convenient.

[0041] In order to solve the technical problem in the prior art that the injection head skid 2 has a poor supporting effect on the continuous oil pipe 4, a continuous oil pipe injection head moving device is provided on the basis of the above embodiment, and an arc-shaped support member 6 is provided on the injection head skid 2. The middle position of the arc-shaped support member 6 is bent away from the base 1, and is used to place the continuous oil pipe 4 on the arc-shaped support member 6. The end of the arc-shaped support member 6 close to the gas injection wellhead 12 is located directly above the injection head 3.

[0042] like Figure 1 , 8 As shown, the arc-shaped support member 6 includes a support semi-ring 600 and a support rib 602. The support semi-ring 600 is a semicircular ring, and the two ends of the support rib 602 are fixedly connected to the two ends of the support semi-ring 600 respectively; a first groove 81 is circumferentially arranged on the outer side of the supporting wheel 8, and a second groove 604 is arranged on the outer side of the arc-shaped support member 6 along the conveying direction of the continuous oil pipe 4. The continuous oil pipe 4 can be arranged in the first groove 81 and the second groove 604 respectively. The continuous oil pipe 4 is arranged in the second groove 604, and the arc-shaped support member 6 supports the continuous oil pipe 4. At the same time, the arc-shaped support member 6 has an arc to avoid damage caused by excessive bending of the continuous oil pipe 4. The continuous oil pipe 4 is transported to the top of the gas injection wellhead 12 through the end of the arc-shaped support member 6, so that the continuous oil pipe 4 can be introduced more smoothly.

[0043] In order to solve the technical problem in the prior art that the continuous oil tubing 4 cannot move the injection head skid when it is in the well, based on the above embodiment, a continuous oil tubing injection head moving device is provided, a rotating seat 603 is fixedly provided on the injection head skid 2, the arc support member 6 and the rotating seat 603 are rotatably connected through the first rotating shaft 601, the horizontal distance between the first rotating shaft 601 and the axis of the injection head 3 and the distance between the first rotating shaft 601 and any point on the arc surface of the arc support member 6 are the same; the support rod 7 is fixedly connected to the end of the arc support member 6 away from the injection head 3, and a lifting device is fixedly provided on the injection head skid 2, the lifting device is used to push the arc support member 6 to rotate and enable the support rod 7 to transfer the support wheel 8 to the bracket 502.

[0044] The lifting device includes a bracket 10, a hydraulic cylinder 9 and a connecting rod 703. The bracket 10 is fixedly arranged on the injection head skid 2, the connecting rod 703 is fixedly connected to the supporting rod 7, the base 1 of the hydraulic cylinder 9 is hinged to the bracket 10, and the telescopic rod of the hydraulic cylinder 9 is hinged to the connecting rod 703. The hydraulic cylinder 9 is extended to make the hydraulic cylinder 9, the bracket 10 and the connecting rod 703 rotate relative to each other. The hydraulic cylinder 9 pushes the supporting rod 7 and the arc support 6 to rotate about the first rotating shaft 601, so that the supporting wheel 8 on the supporting rod 7 lifts the continuous oil pipe 4 and transfers the supporting wheel 8 to the bracket 502, so that the supporting wheel 8 sets the continuous oil pipe 4 on the bracket 502.

[0045] like Figure 5 , 6As shown in , 7, a first fixed groove 701 which runs horizontally through is provided on the side of the support rod 7 away from the support frame 5, a first notch 702 which runs vertically through is provided on the end of the support rod 7 away from the support frame 5, a second rotating shaft 704 is provided on both axial sides of the support wheel 8 corresponding to the first fixed groove 701, the second rotating shaft 704 is provided in the first fixed groove 701, and the support wheel 8 is provided in the first notch 702; a second fixed groove 503 which runs horizontally through is provided on the side of the bracket 502 away from the injection head skid 2, a second notch 504 which runs vertically through is provided on the end of the bracket 502 away from the injection head skid 2, a third rotating shaft 505 is provided on both axial sides of the support wheel 8 corresponding to the second fixed groove 503, and the second rotating shaft 70 4 is greater than the length of the third rotating shaft 505, the third rotating shaft 505 is arranged in the second fixed groove 503, the supporting wheel 8 is arranged in the second notch 504, the width of the first notch 702 is greater than or equal to the sum of the widths of the third rotating shaft 505 and the supporting wheel 8, when the supporting wheel 8 is on the supporting rod 7, the second rotating shaft 704 is arranged in the first fixed groove 701, and the third rotating shaft 505 and the supporting wheel 8 are arranged in the first notch 702, when the supporting wheel 8 is transferred to the bracket 502, the third rotating shaft 505 is arranged in the second fixed groove 503, and the supporting wheel 8 is arranged in the second notch 504, so that the supporting rod 7 can rotate while the supporting wheel 8 is transferred from the supporting rod 7 to the bracket 502, and the operation is more convenient.

[0046] Example 2

[0047] like Figure 9-12 As shown, in order to solve the technical problem that the coiled tubing 4 in the prior art cannot move the injection head skid when it is in the well, another coiled tubing injection head moving device is provided on the basis of the above embodiment, the end of the support rod 7 away from the support frame 5 is provided with a third fixed groove 705 which is transversely penetrating and has an opening facing upward, and the end of the support rod 7 away from the support frame 5 is provided with a third notch 706 which is vertically penetrating; the end of the bracket 502 away from the injection head skid 2 is provided with a fourth fixed groove 506 which is transversely penetrating and has an opening facing upward, and the end of the bracket 502 away from the injection head skid 2 is provided with a fourth notch 507 which is vertically penetrating; fourth rotating shafts 707 are provided on both axial sides of the support wheel 8, The supporting wheel 8 can be respectively arranged in the third notch 706 and the fourth notch 507, and the fourth rotating shaft 707 can be respectively arranged in the third fixed groove 705 and the fourth fixed groove 506. The sides of the two fourth rotating shafts 707 are provided with circumferential clamping grooves 708. When the continuous oil pipe 4 is arranged at the bottom, the steel wire rope of the crane is clamped in the clamping groove 708 of the fourth rotating shaft 707 on both sides of the supporting wheel 8, and the crane lifts the supporting wheel 8, and the supporting wheel 8 lifts the continuous oil pipe 4 at the same time. When the crane moves the supporting wheel 8 to the fourth fixed groove 506, the supporting wheel 8 is slowly placed in the fourth fixed groove 506, so that the supporting wheel 8 and the continuous oil pipe 4 are separated from the injection head skid 2, which is convenient for removing the injection head skid 2.

[0048] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0049] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A coiled tubing injection head moving device, characterized in that: include: Base, injection head, injection head skid and support frame; The injection head skid is movably arranged on the base, the injection head is arranged on the injection head skid, a support rod is arranged on the injection head skid, and a support wheel is detachably arranged on the support rod; The support frame is fixedly arranged on the base, a bracket is arranged on the support frame, the supporting wheel is installed on the bracket, the continuous oil pipe is lifted by the injection head skid frame, passes through the injection head and is introduced into the gas injection wellhead, and the continuous oil pipe is lifted by the supporting wheel and transferred to the bracket.

2. The coiled tubing injection head moving device according to claim 1, characterized in that: Slideways are arranged on both sides of the base, and rollers are arranged at the lower end of the injection head skid frame, and the rollers are rotatably arranged in the slideways.

3. The coiled tubing injection head moving device according to claim 1, characterized in that: The support frame is fixedly arranged at one end of the base, the coiled tubing is arranged on a side of the base away from the support frame, a first support arm is fixedly arranged between the bracket and the support frame, and the bracket is located directly above the gas injection wellhead.

4. The coiled tubing injection head moving device according to claim 1, characterized in that: An arc-shaped support is provided on the injection head skid, the middle position of which is bent away from the base for placing the coiled tubing on the arc-shaped support, and one end of the arc-shaped support close to the gas injection wellhead is located directly above the injection head.

5. The coiled tubing injection head moving device according to claim 4, characterized in that: The arc-shaped support member includes a supporting half ring and supporting ribs. The supporting half ring is a semicircular ring, and two ends of the supporting ribs are respectively fixedly connected to two ends of the supporting half ring.

6. The coiled tubing injection head moving device according to claim 4, characterized in that: A rotating seat is fixedly provided on the injection head skid frame, and the arc-shaped support member is rotatably connected to the rotating seat via a first rotating shaft, and the horizontal distance between the first rotating shaft and the axis of the injection head is the same as the distance between the first rotating shaft and any point on the arc surface of the arc-shaped support member; the support rod is fixedly connected to one end of the arc-shaped support member away from the injection head, and a lifting device is fixedly provided on the injection head skid frame, and the lifting device is used to push the arc-shaped support member to rotate and enable the support rod to transfer the support wheel to the support.

7. The coiled tubing injection head moving device according to claim 6, characterized in that: The lifting device includes a bracket, a hydraulic cylinder and a connecting rod. The bracket is fixedly arranged on the injection head skid frame, the connecting rod is fixedly connected to the supporting rod, the hydraulic cylinder base is hinged to the bracket, and the telescopic rod of the hydraulic cylinder is hinged to the connecting rod.

8. The coiled tubing injection head moving device according to claim 6, characterized in that: A first fixed groove penetrating transversely is provided on the side of the support rod away from the support frame, a first notch penetrating vertically is provided on the end of the support rod away from the support frame, second rotating shafts are provided on both axial sides of the support wheel corresponding to the first fixed groove, the second rotating shaft is arranged in the first fixed groove, and the support wheel is arranged in the first notch; a second fixed groove penetrating transversely is provided on the side of the support rod away from the injection head skid frame, a second notch penetrating vertically is provided on the end of the support rod away from the injection head skid frame, a third rotating shaft is provided on both axial sides of the support wheel corresponding to the second fixed groove, the length of the second rotating shaft is greater than the length of the third rotating shaft, the third rotating shaft is arranged in the second fixed groove, the support wheel is arranged in the second notch, and the width of the first notch is greater than or equal to the sum of the widths of the third rotating shaft and the support wheel.

9. The coiled tubing injection head moving device according to claim 1, characterized in that: The end of the support rod away from the support frame is provided with a third fixing groove which penetrates horizontally and opens upward, and the end of the support rod away from the support frame is provided with a third notch which penetrates vertically; the end of the bracket away from the injection head skid is provided with a fourth fixing groove which penetrates horizontally and opens upward, and the end of the bracket away from the injection head skid is provided with a fourth notch which penetrates vertically; fourth rotating shafts are provided on both axial sides of the support wheel, the support wheel is respectively provided in the third notch and the fourth notch, the fourth rotating shaft is respectively provided in the third fixing groove and the fourth fixing groove, and circumferential clamping grooves are provided on the side surfaces of the two fourth rotating shafts.

10. The coiled tubing injection head moving device according to claim 4, characterized in that: A first groove is provided on the outer circumference of the supporting wheel, a second groove is provided on the outer side of the arc-shaped supporting member along the conveying direction of the coiled tubing, and the coiled tubing is respectively arranged in the first groove and the second groove.

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