Transportation device for well site

Abstract

The utility model provides a transportation device for a well site, which comprises a first winch, a second winch, a slide way arranged above a well mouth and a tackle connected with the slide way in a sliding mode, and the first side and the second side of the slide way are respectively and fixedly connected with a first longitudinal beam and a second longitudinal beam. The first longitudinal beam and the second longitudinal beam are provided with a first pulley and a second pulley respectively, and stranded wires of the first winch and the second winch are connected with the first end and the second end of the tackle through the first pulley and the second pulley respectively so as to drive the tackle to move between the first longitudinal beam and the second longitudinal beam in a reciprocating mode. The blowout preventer can be freely hoisted and moved between a well mouth and a storage area of a well site through the two winches and the corresponding pulley blocks, safety of operators is guaranteed, transportation operation is achieved in a limited space, and meanwhile operation of other petroleum engineering equipment is not affected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of oil production engineering instrument, specifically relates to a conveying device for well site. BACKGROUND

[0002] The blowout preventer is an important equipment for ensuring the safety of well control in oil fields. When wellhead rescue is performed, the blowout preventer is arranged above the wellhead to prevent further damage to the construction site caused by blowout or well kick. After the blowout is over, the blowout preventer needs to be moved to the storage area of the well site to prevent it from affecting the mining work. Some existing oil fields use ground slides to transport the blowout preventer, which occupies a large construction site space, affects the placement of equipment such as well control manifold, drilling platform base, and axial flow fan, and affects the timely cleaning work of the wellhead. In addition, if the slide is arranged on the ground, the hoisting personnel need to hang the rigging near the wellhead for operation, which poses a great safety risk. Other oil fields use slides suspended under the drilling platform surface to transport the blowout preventer to the wellhead and then hoist it onto the four-way flange. This method requires high-altitude maintenance, and the traction power is difficult to control. Moreover, the existing oil fields cannot freely transport the blowout preventer between the wellhead and the storage area of the well site. SUMMARY

[0003] One purpose of the utility model is to provide a conveying device for well site, so that the blowout preventer can be freely hoisted and moved between the wellhead and the storage area of the well site through two winches and the corresponding pulley blocks, ensuring the safety of the operator and realizing the transportation operation in a limited space without affecting the operation of other petroleum engineering equipment.

[0004] According to the utility model, a conveying device for well site is provided, which comprises a first winch, a second winch, a slide arranged above the wellhead, and a trolley in sliding connection with the slide. The first side and the second side of the slide are fixedly connected with a first longitudinal beam and a second longitudinal beam, respectively. The first longitudinal beam and the second longitudinal beam are respectively provided with a first pulley and a second pulley. The winch lines of the first winch and the second winch are connected with the first end and the second end of the trolley through the first pulley and the second pulley, respectively, to drive the trolley to move back and forth between the first longitudinal beam and the second longitudinal beam.

[0005] In a preferred embodiment, a lifting winch is further included. A fixed pulley is arranged on the trolley. The winch line of the lifting winch is connected with a movable pulley arranged below the trolley via the fixed pulley. The lower end of the movable pulley is connected with a lifting hook.

[0006] In a preferred embodiment, a third pulley is arranged on the first longitudinal beam. The winch line of the lifting winch is connected with the fixed pulley via the third pulley.

[0007] In a preferred embodiment, the slide comprises two parallelly arranged cross beams.

[0008] In a preferred embodiment, the space formed between the two cross beams and the ground encompasses the wellhead, and the cross beams extend along the line formed between the midpoint of the storage area of the well site and the midpoint of the wellhead.

[0009] In a preferred embodiment, the trolley comprises two sliding parts respectively slidingly connected with the two cross beams, and a load beam spanning the cross beams in the longitudinal direction and arranged on the upper surface of the two sliding parts.

[0010] In a preferred embodiment, the fixed pulley is arranged on the load beam.

[0011] In a preferred embodiment, the first side and the second side of the two cross beams are respectively supported above the wellhead by a first support and a second support.

[0012] In a preferred embodiment, the first winch, the second winch and the lifting winch are arranged on the ground close to the first support.

[0013] In a preferred embodiment, the transport device for the well site further comprises a third longitudinal beam arranged directly below the second longitudinal beam, the second longitudinal beam and the third longitudinal beam both span the slide in the longitudinal direction, and the two ends of the second longitudinal beam and the third longitudinal beam are both connected with the slide through an ear plate and fixed through a longitudinal beam pin.

[0014] The utility model at least has the following technical effects:

[0015] According to the utility model, the first winch, the second winch, the slide arranged above the wellhead and the trolley slidingly connected with the slide are provided. The first side and the second side of the slide are fixedly connected with the first longitudinal beam and the second longitudinal beam respectively, and the first side and the second side are respectively provided with the first pulley and the second pulley, and the wire of the first winch and the second winch is connected with the first end and the second end of the trolley through the first pulley and the second pulley to drive the trolley to reciprocate between the first longitudinal beam and the second longitudinal beam, so that the blowout preventer is freely hoisted and transported between the wellhead and the storage area of the well site through the two winches and the corresponding pulley sets, the safety of the operator is ensured, the transportation operation is realized in the limited space, and the operation of other petroleum engineering equipment is not affected.

[0016] According to the utility model, the lifting winch is provided, and the fixed pulley is arranged on the trolley, the wire of the lifting winch is connected with the movable pulley arranged below the trolley through the fixed pulley, and the lower end of the movable pulley is connected with the lifting hook, so that the blowout preventer can be hoisted, and the blowout preventer can be lowered after being transported to the target position.

[0017] According to the utility model, the space formed by the two cross beams and the ground includes the well mouth, and the cross beam extends along the line connecting the midpoint of the storage area of the well site and the midpoint of the well mouth, thereby effectively utilizing the limited and restricted space under the well mouth drilling platform without affecting the operation of other complex drilling and well repairing equipment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The overall structural schematic diagram of the conveying device for the well site according to one embodiment of the utility model is schematically shown.

[0019] In the present application, all the drawings are schematic drawings, which are only used for explaining the principles of the utility model and are not drawn according to the actual proportion. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0021] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0022] In the utility model, unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For the ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0023] As Figure 1The utility model discloses a transport device 100 for well site includes: first winch 2, second winch 3, slide 8 and the trolley 9 of the sliding connection with slide 8, and slide 8 is set up in the upper portion of well mouth and spans well mouth, and the trolley 9 is used for conveying the article (for example, blowout preventer) of the storage area of well site to well mouth. The first side and the second side of slide 8 are fixedly connected with first longitudinal beam 81 and second longitudinal beam 82 respectively, and first pulley 811 and second pulley 821 are arranged on first longitudinal beam 81 and second longitudinal beam 82 respectively, and the wire of first winch 2 and second winch 3 is connected with the first end and the second end of trolley 9 through first pulley 811 and second pulley 821 respectively to drive trolley 9 reciprocatingly move between first longitudinal beam 81 and second longitudinal beam 82. Exemplarily, the first side of slide 8 is the side away from well mouth, and the second side of slide 8 is the side close to well mouth.

[0024] According to the utility model, provide first winch 2, second winch 3, the slide 8 of setting in the upper portion of well mouth and the trolley 9 of the sliding connection with slide 8. The first side and the second side of slide 8 are fixedly connected with first longitudinal beam 81 and second longitudinal beam 82 respectively, and both are arranged with first pulley 811 and second pulley 821 respectively, and the wire of first winch 2 and second winch 3 is connected with the first end and the second end of trolley 9 through first pulley 811 and second pulley 821 respectively to drive trolley 9 reciprocatingly move between first longitudinal beam 81 and second longitudinal beam 82, to make blowout preventer free hoisting migration between well mouth and the storage area of well site through two winches and corresponding pulley set, guarantee the safety of operator, realize the transport operation in the limited space, and simultaneously do not affect other petroleum engineering equipment operation.

[0025] In one or more embodiments, the first longitudinal beam 81 is provided with a transfer pulley 812, and the wire of the second winch 3 is connected with the second end of the trolley 9 via the transfer pulley 812 and the second pulley 821.

[0026] In one or more embodiments, further comprising: a lifting winch 1, a fixed pulley 11 is arranged on the trolley 9, and the wire of the lifting winch 1 is connected with a movable pulley 12 arranged below the trolley 9 via the fixed pulley 11, the lower end of the movable pulley 12 is connected with a lifting hook 13, and the lifting hook 13 is used for lifting the blowout preventer. Optionally, a third pulley 813 is arranged on the first longitudinal beam 81, and the wire of the lifting winch 1 is connected with the fixed pulley 11 on the trolley 9 via the third pulley 813. Optionally, the lifting winch 1 adopts an iron shield to close the top and the side surface thereof, so as to protect the safety of the operator.

[0027] According to the utility model, the lifting winch 1 is provided, and the fixed pulley 11 is arranged on the trolley 9, the wire of the lifting winch 1 is connected with the movable pulley 12 arranged below the trolley via the fixed pulley 11, and the lower end of the movable pulley 12 is connected with the lifting hook 13, so that the blowout preventer can be lifted, and the blowout preventer can be lowered after being transported to the target position.

[0028] In one or more embodiments, the slide 8 comprises two parallelly arranged crossbeams 83. Optionally, the crossbeams 83 can be in the form of channel steel.

[0029] In one or more embodiments, the space formed between the two crossbeams 83 and the ground encompasses the wellhead, and the crossbeams 83 extend along the line connecting the midpoint of the storage area of the well site and the midpoint of the wellhead, so as to effectively utilize the limited and restricted space under the wellhead drilling platform without affecting the operation of other complex drilling and workover equipment.

[0030] In one or more embodiments, the trolley 9 comprises two sliding parts 91 respectively slidingly connected with the two crossbeams 83, and a load-bearing beam 10 spanning the crossbeams 83 in the longitudinal direction and arranged on the upper surface of the two sliding parts 91. The lower surface of the sliding part 91 is provided with a plurality of running wheels in sliding contact with the slide 8. The front end and the rear end of the two sliding parts 91 are respectively fixedly connected through a front support and a rear support to form the main body of the trolley 9, the wire of the first winch 2 and the wire of the second winch 3 are respectively connected with the rear support of the trolley 9 and the front support of the trolley 9 through a first pulley 811 and a second pulley 821, and a fixed pulley 11 is arranged on the load-bearing beam 10.

[0031] In one or more embodiments, further comprising a third longitudinal beam 84 arranged directly below the second longitudinal beam 82, and the second longitudinal beam 82 and the third longitudinal beam 84 both span the slide 8 in the longitudinal direction.

[0032] In one or more embodiments, the second longitudinal beam 82 and the third longitudinal beam 84 are both connected with the slide 8 through an ear plate at each of the two ends thereof and are fixed through a longitudinal beam pin 16.

[0033] In one or more embodiments, the first side and the second side of the two crossbeams 83 are respectively supported above the wellhead through a first support and a second support.

[0034] In one or more embodiments, the first winch 2, the second winch 3 and the lifting winch 1 are arranged on the ground close to the first support.

[0035] In one or more embodiments, the crossbeams 83 are connected with the drilling platform column through a clamp 17. Optionally, the clamp 17 is configured in the form of a U shape.

[0036] In one or more embodiments, the transport device 100 for well site further comprises a brake assembly, a brake vane is sleeved on the gear shaft and fixed, so that the brake vane rotates coaxially with the gear, the brake vane has a plurality of blades arranged in a circumferential form, and a blade groove is formed between adjacent blades. The side of the brake vane is provided with a brake support, the brake support is provided with a brake handle, the brake handle is formed by two round rods intersecting at 90°, and a through hole is formed at the intersection, a handle rotating shaft is fixedly arranged in the through hole, the handle rotating shaft is perpendicular to the brake vane shaft but does not intersect, one of the round rods is used for operator operation, and the other round rod is used for cooperating with the blade groove of the brake vane to realize braking.

[0037] When the brake is needed, the brake handle is turned 90°, so that the round rod of the brake handle is rotated and enters the blade groove, so as to realize brake. When the starting mechanism needs to be started for hoisting operation, the brake handle is turned back 90°, so that the round rod of the brake handle is turned out of the blade groove, and the winch crank is turned in the same direction at the same time, so as to realize the release of the brake, so as to start the hoisting.

[0038] Although the utility model has been described with reference to the preferred embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way. The utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A conveyance apparatus for a well site, characterized by, The first winch, the second winch, the slide arranged above the wellhead and the trolley connected with the slide, the first side and the second side of the slide are fixedly connected with the first longitudinal beam and the second longitudinal beam respectively, the first longitudinal beam and the second longitudinal beam are respectively provided with the first pulley and the second pulley, the wire of the first winch and the second winch is respectively connected with the first end and the second end of the trolley through the first pulley and the second pulley, so as to drive the trolley to reciprocate between the first longitudinal beam and the second longitudinal beam. Further comprising:

2. The conveyance for a wellsite of claim 1, wherein, The lifting winch, the trolley is fixedly provided with a fixed pulley, the wire of the lifting winch is connected with a movable pulley arranged below the trolley through the fixed pulley, the lower end of the movable pulley is connected with a hook. The first longitudinal beam is provided with a third pulley, and the wire of the lifting winch is connected with the fixed pulley through the third pulley.

3. The conveyance for a wellsite of claim 2, wherein, The slide comprises two parallel arranged cross beams.

4. The conveyance for a wellsite of claim 2, wherein, The space formed by the two cross beams and the ground includes the wellhead, and the cross beams extend along the line formed by the midpoint of the storage area of the well site and the midpoint of the wellhead.

5. The conveyance for a wellsite of claim 4, wherein, The trolley comprises two sliding parts respectively connected with the two cross beams and a load-bearing beam arranged on the upper surface of the two sliding parts and spanning the cross beams in the longitudinal direction.

6. The conveyance for a wellsite of claim 4, wherein, The fixed pulley is arranged on the load-bearing beam.

7. The conveyance for a wellsite of claim 6, wherein, The first side and the second side of the two cross beams are supported above the wellhead through the first support and the second support respectively.

8. The conveyance for a wellsite of claim 4, wherein, The first winch, the second winch and the lifting winch are arranged on the ground close to the first support.

9. The conveyance for a wellsite of claim 8, wherein, Further comprising:

10. The conveyance for a well site of claim 1, wherein, The third longitudinal beam arranged directly below the second longitudinal beam, the second longitudinal beam and the third longitudinal beam both span the slide in the longitudinal direction, and the second longitudinal beam and the third longitudinal beam are connected with the slide through the ear plate at both ends respectively and are fixed through the longitudinal beam pin. ​

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