CN219158954U - Blowout prevention box device and iron roughneck with same - Google Patents

Abstract

The utility model relates to a blowout prevention box device and an iron driller with the same, wherein the blowout prevention box device comprises two arc box bodies and an opening and closing driver; the first side edges of the two arc-shaped box bodies are rotatably connected, and two ends of the opening and closing driver are arranged on the two arc-shaped box bodies so as to drive the two arc-shaped box bodies to rotate in a horizontal plane to perform closing and opening actions; the clamping part of the arc-shaped box body is an arc-shaped elastic sealing piece, the two elastic sealing pieces can be abutted to form an elastic sealing ring, and the size of a round hole in the middle of the elastic sealing ring is smaller than the size of the cross section of the drilling tool; two the arc-shaped boxes can be arranged on a rotating frame of an iron roughneck. The anti-blowout box device has the beneficial effects that the anti-blowout box device is simple in structure, convenient to maintain on site and high in mechanization degree, can be suitable for drilling tools of different models, does not need to frequently replace the anti-blowout box, shortens the operation time, is higher in operation efficiency, and can also clean the surface of the drilling tool in the lifting process of the drilling tool.

Description

Blowout prevention box device and iron roughneck with same

Technical Field

The utility model relates to the technical field of petroleum drilling, in particular to a blowout prevention box device and an iron roughneck with the blowout prevention box device.

Background

At present, along with the improvement of the automation level of petroleum drilling operation, when a drilling tool screw thread is unscrewed and lifted in the process of the drilling operation, the phenomenon of mud splashing often occurs, and for the occurrence of the phenomenon, a blowout prevention box is adopted for protection, so that the field is kept clean and the safety of operators is protected.

The traditional blowout prevention box is low in mechanization degree, is closed by manual operation, and the blowout prevention boxes of different types need to be frequently replaced according to drilling tools of different types, so that the labor intensity is high, the time consumption is long, the operation efficiency is greatly affected, and the blowout prevention boxes of different types need to be placed by occupying the space of a drilling platform. Under the condition that the drilling platform has limited space and a plurality of operation devices are arranged on the periphery, the drilling platform also has certain potential safety hazard.

Therefore, there is a need for an iron roughneck with a blowout prevention box device with high operation efficiency and wide application range.

Disclosure of Invention

First, the technical problem to be solved

In view of the above-mentioned drawbacks and shortcomings of the prior art, the present utility model provides a blowout prevention box device and an iron roughneck having the same, which solve the technical problems of the prior art that the working efficiency is low and the application scope is small.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

the utility model provides a blowout prevention box device, which comprises two arc-shaped box bodies and an opening and closing driver;

the first side edges of the two arc-shaped box bodies are rotatably connected, and two ends of the opening and closing driver are arranged on the two arc-shaped box bodies so as to drive the two arc-shaped box bodies to rotate in the horizontal plane to perform closing and opening actions. The clamping part of the arc-shaped box body is an arc-shaped elastic sealing piece, the two elastic sealing pieces can be abutted to form an elastic sealing ring, and the size of a round hole in the middle of the elastic sealing ring is smaller than the size of the cross section of the drilling tool. Two the arc-shaped boxes can be arranged on a rotating frame of an iron roughneck.

Optionally, the arc box body comprises an arc body and a blowout prevention box frame arranged on the outer side of the arc body. The first side edges of the two blowout prevention box frames are rotatably connected. The two ends of the opening and closing driver are rotatably arranged on the two blowout prevention box frames, and the rotation axis is vertically oriented. Two blowout prevention boxes can be mounted on the rotating frame.

Optionally, the arc body is made of a polymer material.

Optionally, the edge of the blowout prevention box frame is fixedly connected with the edge of the arc-shaped body through a fastener.

Optionally, the opening and closing driver is a telescopic cylinder, and the telescopic cylinder can be communicated with an air source of the rotating arm.

Optionally, the first end edge of the resilient sealing sheet has a sealing protrusion and the second end edge of the resilient sealing sheet has a sealing recess matching the sealing protrusion.

Optionally, a slurry discharging port is formed in the lower portion of the arc-shaped box body, and a slurry discharging pipe joint is arranged on the slurry discharging port.

Optionally, the second sides of the two arc-shaped box bodies are respectively provided with a locking buckle and a locking piece.

Optionally, the elastic sealing piece is installed at the inner top and the inner bottom of the arc-shaped box body through a quick-pull pin.

The second aspect of the utility model provides an iron roughneck, comprising the blowout prevention box device and a rotating frame, wherein the two arc-shaped box bodies are arranged on the rotating frame.

(III) beneficial effects

The beneficial effects of the utility model are as follows:

according to the blowout prevention box device provided by the utility model, the blowout prevention box device is arranged on the rotating frame of an iron driller, after the iron driller body is used for disassembling a drilling tool, the two arc-shaped box bodies can be driven to be turned and closed on a horizontal plane through the opening and closing driver to form a cylinder with two open ends, the two arc-shaped elastic sealing sheets are abutted to form an elastic sealing ring and clamp a drilling tool, and the drilling tool can extrude the elastic sealing ring to elastically deform because the size of a round hole in the middle of the elastic sealing ring is smaller than the size of the cross section of the drilling tool, so that the sealing effect is realized, mud splashing is prevented, and the surface of the drilling tool can be cleaned in the lifting process of the drilling tool. Compared with the prior art, the blowout prevention box device is simple in structure, convenient to maintain on site and high in mechanization degree, can be suitable for drilling tools of different models, does not need to frequently replace the blowout prevention box, shortens the operation time, is higher in operation efficiency, and can clean the surface of the drilling tool in the lifting process of the drilling tool.

Drawings

Fig. 1 is a schematic structural view of a blowout prevention cartridge apparatus in embodiment 1 of the present utility model;

FIG. 2 is a schematic top view of the blowout preventer of example 1 of the present utility model when closed;

FIG. 3 is a schematic view of section A-A of FIG. 2;

fig. 4 is an enlarged view at B in fig. 2.

[ reference numerals description ]

1: an arc-shaped box body; 2: an opening and closing driver; 3: an elastic sealing sheet; 4: an arc-shaped body; 5: a blowout prevention box frame; 6: a slurry discharging pipe joint; 7: locking buckles; 8: a locking piece.

Detailed Description

In order that the above-described aspects may be better understood, exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

Example 1:

as shown in fig. 1 and 2, the present embodiment provides a blowout prevention box device, which includes two arc-shaped box bodies 1 and an opening and closing driver 2. The first sides of the two arc-shaped box bodies 1 are rotatably connected, the rotation axes of the arc-shaped box bodies 1 are vertically oriented, and two ends of the opening and closing driver 2 are arranged on the two arc-shaped box bodies 1 to drive the two arc-shaped box bodies 1 to rotate in the horizontal plane to perform closing and opening actions. The clamping part of the arc-shaped box body 1 is an arc-shaped elastic sealing piece 3, the two elastic sealing pieces 3 can be abutted to form an elastic sealing ring, and the size of a round hole in the middle of the elastic sealing ring is smaller than the cross section size of the drilling tool. The two arc-shaped boxes 1 can be arranged on a rotating frame of an iron roughneck. In this embodiment, the opening and closing driver 2 is a telescopic cylinder, and the telescopic cylinder can be communicated with an air source of the rotating frame, so that the telescopic cylinder is started. The cross section of the arc-shaped box body 1 (the cross section perpendicular to the axis thereof) is arc-shaped, and the radian of the arc is the same as that of the elastic sealing piece 3. The elastic sealing piece 3 is arranged at the top and the bottom of the inner side of the arc-shaped box body 1 through quick pulling pins so as to facilitate the replacement of the elastic sealing piece 3.

Specifically, its principle is, install this blowout preventer device on the swivel mount of iron roughneck, the iron roughneck body is with the drilling tool after finishing of shackle, can drive two arc box bodies 1 through opening and shutting driver 2 and rotate at the horizontal plane and close, form both ends open-ended drum, two curved elastic sealing piece 3 butt formation elastic sealing washer, and press from both sides the drilling tool, because of the round hole size at elastic sealing washer middle part is less than the cross section size of drilling tool, the drilling tool can extrude elastic sealing washer and make it take place elastic deformation, from this, play sealed effect on the one hand, prevent mud splash, but also the drilling tool surface can be cleaned in the drilling tool promotion process, on the other hand can be applicable to the drilling tool of different models. Compared with the prior art, the blowout prevention box device is simple in structure, convenient to maintain on site and high in mechanization degree, can be suitable for drilling tools of different models, does not need to frequently replace the blowout prevention box, shortens the operation time, is higher in operation efficiency, and can clean the surface of the drilling tool in the lifting process of the drilling tool.

Further, as shown in fig. 1 and 2, the arc-shaped case 1 includes an arc-shaped body 4 and a blowout prevention case frame 5 provided outside the arc-shaped body 4. The first sides of the two blowout prevention box frames 5 are rotatably connected, and two ends of the opening and closing driver 2 are rotatably arranged on the two blowout prevention box frames 5, and the rotation axis is vertically oriented. Two blowout prevention boxes can be mounted on the rotating frame. Wherein, the arc body 4 is made of high polymer material, which can make the weight of the blowout prevention box device lighter. The opening and closing actuators 2 are arranged in pairs and in parallel, one being located at the outer upper portions of the two blowout prevention cartridge frames 5, and the other being located at the outer lower portions of the two blowout prevention cartridge frames 5. In this embodiment, the edge of the blowout prevention box frame 5 is fixedly connected with the edge of the arc body 4 through a fastener, specifically, the fastener comprises an inner hexagonal bolt and a hexagonal nut, a plurality of first threaded holes are formed in the two side edges of the blowout prevention box frame 5 from top to bottom, a plurality of second threaded holes are formed in the two side edges of the arc body 4 from top to bottom, the first threaded holes and the second threaded holes are in one-to-one correspondence, and the inner hexagonal bolt penetrates through the first threaded holes and the corresponding second threaded holes and is screwed with the inner hexagonal nut. The inboard of arc body 4 still is equipped with steel gasket, is located between arc body 4 and the hexagon nut, and every two first screw holes and second screw hole are a set of, and every group shares a slice steel gasket. From this, increase hexagon socket head cap nut and arc body 4's area of contact on the one hand, reduce hexagon socket head cap nut and spin the pressure to arc body 4 when tightening hexagon socket head cap screw, and then avoid causing the damage to arc body 4, on the other hand can prevent that hexagon socket head cap nut from becoming flexible.

Further, as shown in fig. 2 and 3, the portion of the elastic sealing sheet 3 close to the drilling tool is elastically deformed to some extent by the extrusion of the drilling tool, while the portion of the elastic sealing sheet far from the drilling tool is not affected and is a non-deformed portion. In this embodiment, the first end edge of the elastic sealing piece 3 has a sealing convex portion, the second end edge of the elastic sealing piece 3 has a sealing concave portion matched with the sealing convex portion, specifically, the sealing convex portion is located at the lower edge of the non-deformed portion of the first end of the elastic sealing piece 3, the sealing concave portion is located at the lower edge of the non-deformed portion of the second end of the elastic sealing piece 3, after the two arc-shaped boxes 1 are closed, the two elastic sealing pieces 3 are abutted end to end, that is, the first end and the second end of one elastic sealing piece 3 are respectively abutted against the second end and the first end of the other elastic sealing piece 3, and the non-deformed portions of the two elastic sealing pieces 3 can be sealed through the sealing convex portion and the sealing concave portion.

Further, as shown in fig. 1, a slurry discharging port is formed in the lower portion of the arc-shaped box body 1, and a slurry discharging pipe joint 6 is mounted on the slurry discharging port. The slurry discharge port can be communicated with a slurry discharge pipe through a slurry discharge pipe joint 6, so that slurry is drained to a slurry collecting tank, the working face is kept clean, and the slurry is prevented from being wasted.

Further, as shown in fig. 2 and 4, the second sides of the two arc-shaped boxes 1 are respectively provided with a locking buckle 7 and a locking piece 8, so that the two arc-shaped boxes 1 are limited to be opened after being closed, and the stability of the two arc-shaped boxes 1 after being closed is improved.

Example 2:

the present embodiment provides an iron roughneck comprising the blowout prevention box apparatus of embodiment 1 and a swivel. Two arc-shaped box bodies 1 are mounted on a rotating frame (not shown), and two blowout prevention box frames 5 are mounted on the rotating frame. It also includes an iron roughneck body (not shown) that is also mounted to the swivel.

The working condition of the iron roughneck that this embodiment provided is, finish the back through the iron roughneck body to the target drilling tool of well head position, through flexible cylinder drive two arc box body 1 closures, lock two arc box body 1 through locking buckle 7 and retaining member 8, the elastic sealing piece 3 of two arc box body 1 presss from both sides tight target drilling tool, elastic deformation takes place for the drilling tool extrusion to receive the drilling tool extrusion, lift up target drilling tool to leaving the import position through operation equipment, in-process, drain slurry to the slurry collecting tank through the mud pipe. After the target drilling tool leaves the wellhead position, the elastic deformation of the elastic sealing sheet 3 is restored, the locking buckle 7 is opened, and the two arc-shaped box bodies 1 are driven to be opened through the telescopic cylinder, so that the operation of the next target drilling tool is prepared.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (10)

1. A blowout prevention box device is characterized in that,

comprises two arc-shaped box bodies (1) and an opening and closing driver (2);

the first side edges of the two arc-shaped box bodies (1) are rotatably connected, and two ends of the opening and closing driver (2) are arranged on the two arc-shaped box bodies (1) to drive the two arc-shaped box bodies (1) to rotate in a horizontal plane to perform closing and opening actions;

the clamping part of the arc-shaped box body (1) is an arc-shaped elastic sealing piece (3), the two elastic sealing pieces (3) can be abutted to form an elastic sealing ring, and the size of a round hole in the middle of the elastic sealing ring is smaller than the size of the cross section of the drilling tool;

the two arc-shaped box bodies (1) can be arranged on a rotating frame of an iron roughneck.

2. A blowout preventer stack according to claim 1, wherein,

the arc-shaped box body (1) comprises an arc-shaped body (4) and a blowout prevention box frame (5) arranged on the outer side of the arc-shaped body (4);

the first side edges of the two blowout prevention box frames (5) are rotatably connected; the two ends of the opening and closing driver (2) are rotatably arranged on the two blowout prevention box frames (5), and the rotation axis is vertically oriented;

two blowout prevention boxes can be mounted on the rotating frame.

3. A blowout preventer stack according to claim 2, wherein,

the arc-shaped body (4) is made of high polymer materials.

4. A blowout preventer stack according to claim 2, wherein,

the edge of the blowout prevention box frame (5) is fixedly connected with the edge of the arc-shaped body (4) through a fastener.

5. A blowout preventer stack according to claim 2, wherein,

the opening and closing driver (2) is a telescopic cylinder, and the telescopic cylinder can be communicated with an air source of the rotating frame.

6. A blowout preventer stack according to claim 1, wherein,

the first end edge of the elastic sealing piece (3) is provided with a sealing convex part, and the second end edge of the elastic sealing piece (3) is provided with a sealing concave part matched with the sealing convex part.

7. A blowout preventer stack according to claim 1, wherein,

the lower part of the arc-shaped box body (1) is provided with a slurry discharging port, and a slurry discharging pipe joint (6) is arranged on the slurry discharging port.

8. A blowout preventer stack according to claim 1, wherein,

the second side edges of the two arc-shaped box bodies (1) are respectively provided with a locking buckle (7) and a locking piece (8).

9. A blowout preventer stack according to claim 1, wherein,

the elastic sealing piece (3) is arranged at the top and the bottom of the inner side of the arc-shaped box body (1) through a quick pulling pin.

10. An iron roughneck comprising a blowout preventer stack according to any one of claims 1-9 and a swivel mount,

the two arc-shaped box bodies (1) are arranged on the rotating frame.

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