Power device suitable for ultra-deep well drilling rig operation and having upward-moving prevention function

Abstract

The utility model relates to the technical field of oil field drilling operation, in particular to a power device suitable for ultra-deep well drilling rig operation and with an upward-moving prevention function, which comprises a turntable body and an integrated valve terminal box, a power operation mechanism and a slip main shell are installed on the turntable body, the power operation mechanism is installed inside the slip main shell, and the integrated valve terminal box is installed on the turntable body. A step-shaped conical inner hole is formed in the center of the interior of the slip main shell, the ultra-long clamping plate is installed in the step-shaped conical inner hole in a clamped mode, a lifting executing mechanism is installed at the front end of the ultra-long clamping plate, and the ultra-long clamping plate can slide along the step-shaped conical inner hole in the slip main shell to gather towards the center. By adopting the design of the ultra-long clamping plate with the ultra-long clamping area, biting marks on a tubular column are reduced to a great extent, the ultra-long clamping plate is particularly suitable for working requirements of an ultra-deep well heavy-load oil field scene, and the working efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oilfield drilling operation technical field especially relates to a kind of power device suitable for super deep well drilling rig operation with anti-upward channeling function. BACKGROUND

[0002] With the continuous progress of drilling technology and the continuous exploration of human, deep well and super deep well have emerged in succession, and the oilfield operation equipment that has become mature at present can only be applied to the operation demand of present kilometer-level well depth, and is not suitable for super deep well of ten thousand meters level, therefore, the technical personnel in the field is committed to developing a kind of power device suitable for super deep well drilling rig operation with anti-upward channeling function.

[0003] In prior art, the Chinese patent document with announcement number CN204163620U proposes a power head position adjusting device and deep well drilling machine, by setting slide, lifting mechanism and position locking mechanism, wherein: power head is rotatably connected with slide, lifting mechanism and position locking mechanism are both arranged between power head and slide; lifting mechanism can drive power head to swing relative to slide around rotatable connection between drilling work position and drill rod installation position, there is included angle between axial direction of power head in drill rod installation position and vertical direction; position locking mechanism can lock power head in drilling work position on slide, although it solves the technical problem that existing technology exists drill rod disassembly time-consuming and laborious, but, consistent with conventional technology, it is not suitable for deep well and super deep well oilfield work operation, poor practicality, therefore, the utility model discloses a kind of power device suitable for super deep well drilling rig operation with anti-upward channeling function, to solve the problem of pipe string bite mark in super deep well drilling rig operation, operation safety is low and the problem of great labor intensity of worker. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a kind of power device suitable for super deep well drilling rig operation with anti-upward channeling function, to solve the problem of pipe string bite mark in super deep well drilling rig operation, operation safety is low and the problem of great labor intensity of worker.

[0005] Based on the above purpose, the utility model provides a kind of power device suitable for super deep well drilling rig operation with anti-upward channeling function, comprising: turntable body and integrated valve island box, power running mechanism and slip main casing are installed on the turntable body, the power running mechanism is installed in the inside of slip main casing, the inside center of slip main casing is provided with stepped conical inner hole, the stepped conical inner hole is equipped with the ultra-long clamping plate, and the front end of the ultra-long clamping plate is equipped with lifting actuating mechanism, the ultra-long clamping plate can be gathered to center along the stepped conical inner hole in the inside of slip main casing, anti-upward channeling limit block is installed in the power running mechanism, system pressure setting module is equipped in the inside of integrated valve island box, and the bottom end of the slip main casing under the ultra-long clamping plate is equipped with jet pipeline.

[0006] Preferably, the stepped conical inner hole in the inside of the slip main casing cooperates with the ultra-long clamping plate.

[0007] Preferably, the ultra-long clamping plate can move along the stepped conical surface under the traction of the lifting actuating mechanism.

[0008] Preferably, the slip main casing is equipped with a righting guide block at one end edge, the other end of the righting guide block is equipped with an upper cover plate, and the other end of the upper cover plate is equipped with an interlocking switch.

[0009] Preferably, the ultra-long clamping plate has an ultra-long clamping surface.

[0010] Preferably, the anti-upward channeling limit block is installed at the top end of the ultra-long clamping plate to prevent the pipe string from floating up.

[0011] The utility model has the advantages of:

[0012] 1. The utility model adopts the design of ultra-long clamping plate with ultra-long clamping area, which greatly reduces the bite marks on the pipe string, is particularly suitable for heavy-load oilfield scene operation in super deep wells, and effectively improves the operation efficiency.

[0013] 2. The utility model is equipped with a safety mechanism for preventing the clamping unit from automatically releasing the pipe string and upward channeling in the power running mechanism, which prevents the pipe string from floating up and the ultra-long clamping plate from loosening due to excessive downhole pressure, effectively improving the operation safety. DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 It is the whole profile structure schematic diagram of the utility model;

[0016] Figure 2 It is the super-long clamping plate structure schematic diagram of the utility model;

[0017] Figure 3 It is the anti-upward-creep structure side surface structure schematic diagram of the utility model;

[0018] Figure 4 It is the anti-upward-creep structure overhead view structure schematic diagram of the utility model.

[0019] Marked as in the figure:

[0020] 1, rotary disc body;2, slip main shell;3, righting guide block;4, upper cover plate;5, interlocking switch;6, anti-upward-creep limiting block;7, lifting actuating mechanism;8, super-long clamping plate;9, jet pipe. Specific implementation

[0021] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the following is in combination with specific embodiment, and the utility model is further detailed.

[0022] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the utility model should be the usual meaning understood by the person skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, and do not exclude other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0023] The utility model provides a kind of rotary table, including rotary disc body, slip main shell, righting guide block, upper cover plate, interlocking switch, anti-upward-creep limiting block, lifting actuating mechanism and super-long clamping plate. Figures 1 to 4The utility model discloses a kind of power devices suitable for operating with anti-upward channeling function for ultra-deep well drilling machine, including: rotary table body 1 and integrated valve island box, rotary table body 1 is installed with power operation mechanism and slip main casing 2, power operation mechanism is installed in slip main casing 2 inside, the center of slip main casing 2 inside is provided with stepped conical bore, stepped conical bore is installed with super-long holding plate 8, and the front end of super-long holding plate 8 is installed with lifting execution mechanism 7, super-long holding plate 8 is gathered to center along the stepped conical bore in slip main casing 2 slidably, power operation mechanism is installed with anti-upward channeling limit block 6, integrated valve island box is equipped with system pressure setting module inside, and the bottom of slip main casing 2 is installed with jet pipeline 9 below super-long holding plate 8, the design of the utility model uses super-long holding plate 8 of super-long holding area, greatly reduce the bite mark to pipe column, especially suitable for ultra-deep well heavy load oilfield scene operation needs, effectively improve operation efficiency.The utility model is designed with prevent super-long holding plate 8 from automatic loosening pipe column upward channeling safety mechanism in power operation mechanism, prevent pipe column from floating up due to excessive downhole pressure and other reasons, the accident of super-long holding plate 8 loosening occurs, effectively improve operation safety.

[0024] Further, in the present example, as Figure 1As shown, the stepped conical inner hole inside the slip main shell 2 cooperates with the super-long clamping plate 8, the super-long clamping plate 8 can move along the stepped conical surface under the traction of the lifting actuator 7, the one end edge of the slip main shell 2 is provided with the centralizing guide block 3, the other end of the centralizing guide block 3 is provided with the upper cover plate 4, the other end of the upper cover plate 4 is provided with the interlocking switch 5, the super-long clamping plate 8 has a super-long clamping surface, the anti-upward-movement limiting block 6 is installed at the top end of the super-long clamping plate 8, and the pipe string is prevented from floating up, and the power device mainly comprises a rotary disc body 1, the slip main shell 2, a power running mechanism, the super-long clamping plate 8 and the like. The power running mechanism is installed inside the slip main shell 2, the center of the slip main shell 2 is designed with a stepped conical inner hole, and the super-long clamping plate 8 is clamped and installed. The front end of the super-long clamping plate 8 is provided with the lifting actuator 7, and the lifting actuator 7 is responsible for traction of the super-long clamping plate 8 to slide along the stepped conical inner hole in the slip main shell 2 and gather to the center. The stepped conical inner hole inside the slip main shell 2 cooperates with the super-long clamping plate 8, and the cooperation design ensures that the super-long clamping plate 8 can move stably along the conical surface under the accurate control of the lifting actuator 7. The one end edge of the slip main shell 2 is provided with the centralizing guide block 3 for guiding the upward or downward movement of the pipe string, so as to ensure the stability and accuracy of the super-long clamping plate 8 during movement. The other end of the centralizing guide block 3 is connected with the upper cover plate 4, and the other end of the upper cover plate 4 is provided with the interlocking switch 5, so as to provide additional safety protection and prevent accidents during operation. When the gas pressure is lower than the set value, the low-pressure alarm device on the control box panel will automatically start, reminding the operator to pay attention and take corresponding measures. The anti-upward-movement limiting block 6 and the super-long clamping plate 8 share a control system, and the sequence of actions is realized through electrical logic control. After the super-long clamping plate 8 is lowered to the low point and clamps the pipe string, the anti-upward-movement limiting block 6 will automatically start, and the pipe string is prevented from floating up through the mechanical or hydraulic action. The position signal lamp is arranged on the control box panel, the signal lamp is started synchronously with the position state of the super-long clamping plate 8, and visual feedback is provided for the operator.

[0025] Those skilled in the art will understand that the discussion of any of the above embodiments is merely exemplary, and is not intended to suggest that the scope (including claims) of the present application be limited to these examples. Under the concept of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above. In order to be brief, they are not provided in details.

[0026] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations, and equivalents that fall within the spirit and scope of the present application are intended to be included within the scope of the present application.

Claims

1. A power unit with anti-upward movement function suitable for ultra-deep well drilling operations, characterized in that: include: A turntable body (1) and an integrated valve island box, wherein a power operating mechanism and a cava main shell (2) are installed on the turntable body (1), the power operating mechanism is installed inside the cava main shell (2), a stepped conical inner hole is provided at the center of the inside of the cava main shell (2), an extra-long holding plate (8) is installed on the stepped conical inner hole, and a lifting actuator (7) is installed at the front end of the extra-long holding plate (8), the extra-long holding plate (8) can slide along the stepped conical inner hole in the cava main shell (2) and gather toward the center, an anti-upward limit block (6) is installed in the power operating mechanism, a system pressure setting module is provided inside the integrated valve island box, and an injection pipe (9) is installed at the bottom end of the cava main shell (2) directly below the extra-long holding plate (8).

2. A power device with anti-upward movement function suitable for ultra-deep well drilling operations according to claim 1, characterized in that: The stepped tapered inner hole inside the slip main housing (2) cooperates with the extra-long holding plate (8).

3. The power device with anti-upward movement function suitable for ultra-deep well drilling operations according to claim 2, characterized in that: The extra-long holding plate (8) can move along the stepped conical surface under the traction of the lifting actuator (7).

4. The power device with anti-upward movement function suitable for ultra-deep well drilling operations according to claim 2, characterized in that: A straightening guide block (3) is installed on one end edge of the slip main housing (2), an upper cover plate (4) is installed on the other end of the straightening guide block (3), and an interlocking switch (5) is installed on the other end of the upper cover plate (4).

5. The power device with anti-upward movement function suitable for ultra-deep well drilling operations according to claim 3, characterized in that: The extra-long holding plate (8) has an extra-long holding surface.

6. The power device with anti-upward movement function suitable for ultra-deep well drilling operations according to claim 5, characterized in that: The anti-upward movement limit block (6) is installed on the top end of the extra-long holding plate (8) to prevent the pipe string from floating upward.

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