CN213234985U - Power device capable of being used for lowering pipe string in moon pool area - Google Patents

Power device capable of being used for lowering pipe string in moon pool area Download PDF

Info

Publication number
CN213234985U
CN213234985U CN202022339129.9U CN202022339129U CN213234985U CN 213234985 U CN213234985 U CN 213234985U CN 202022339129 U CN202022339129 U CN 202022339129U CN 213234985 U CN213234985 U CN 213234985U
Authority
CN
China
Prior art keywords
clamping
base
lifting
pipe
clamp holder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022339129.9U
Other languages
Chinese (zh)
Inventor
冯起赠
许本冲
刘晓林
和国磊
秦如雷
汪明鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Exploration Technology Chinese Academy of Geological Sciences
Original Assignee
Institute of Exploration Technology Chinese Academy of Geological Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institute of Exploration Technology Chinese Academy of Geological Sciences filed Critical Institute of Exploration Technology Chinese Academy of Geological Sciences
Priority to CN202022339129.9U priority Critical patent/CN213234985U/en
Application granted granted Critical
Publication of CN213234985U publication Critical patent/CN213234985U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a can be in power device of moon pool district lower tube cluster, including base, elevating system and fixture, the base can be dismantled and set up on preventer platform truck, is provided with down the mouth of pipe on the base, and the mouth of pipe is the V type down. The base is provided with a lifting mechanism, the lifting mechanism is provided with a clamping mechanism, the lifting mechanism can drive the clamping mechanism to move up and down, and the clamping mechanism corresponds to the lower pipe orifice. The power device for lowering the pipeline can be parallelly connected with a drill rod column, a casing string and other pipe strings downwards on the marine single derrick/wellhead drilling platform, the hydraulic clamp holder is driven by the lifting mechanism to move up and down, the hydraulic clamp holder can realize the clamping of drilling tools with different specifications by replacing slips, and the equipment has the capacity of parallel lowering the pipeline when the top drive or the wellhead is occupied; the equipment that relates to during the use does not occupy the well head, and does not use the used equipment of well head drilling tools such as top drive, can with well head equipment parallel operation, realizes connecing of string of tubes and connects, improves the operating efficiency.

Description

Power device capable of being used for lowering pipe string in moon pool area
Technical Field
The utility model relates to a marine drilling equipment's technical field especially relates to a can be in power device of moon pool district lower tube cluster.
Background
The drilling platform is usually provided with a catwalk machine, a pipe arranging machine, an iron roughneck, a rat hole, a power slip and the like. When a traditional single-derrick/wellhead offshore self-elevating and movable drilling platform works, a top drive, a pipe discharging device and a power slip are matched to put down underwater drilling and completion tools such as a downhole drilling tool, a casing pipe and an extraction pipeline. Due to the fact that the top drive or the well mouth is occupied, the lowering operation of other parallel auxiliary pipelines cannot be completed at the same time. The offshore operation cost is high, and the traditional single-process sequential operation takes long time and has high cost, so that a multi-process parallel operation device is urgently needed to reduce the cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can be at power device of moon pool district lower tube cluster to solve the problem that above-mentioned prior art exists, make the top drive or the well head still possess the ability of parallel lower tube when being accounted for.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a can be in power device of tub cluster under moon pool district, including base, elevating system and fixture, the base can be dismantled and set up on the preventer platform truck, be provided with down the mouth of pipe on the base, be provided with on the base elevating system, the last setting of elevating system fixture, elevating system can drive fixture reciprocates, fixture is used for the centre gripping pipe cluster, fixture with down the mouth of pipe is corresponding, makes the pipe cluster is in vertical state.
Preferably, elevating system includes lifting cylinder, leading truck and overhead traveling crane, lifting cylinder is connected with on two and the ejector pin the overhead traveling crane, it is provided with a pair ofly to correspond on the lifting cylinder the leading truck, set up a vertical guide rail on the leading truck respectively, fixture be provided with vertical guide rail assorted slider, fixture passes through wire rope or chain and bypasses the overhead traveling crane with base fixed connection.
Preferably, the crown block bilateral symmetry is provided with two sets of fixed pulleys, wire rope or chain are two and correspond around locating on the fixed pulley.
Preferably, the clamping mechanism comprises a hydraulic clamp holder and a slip, a sliding block is arranged on the side wall of the hydraulic clamp holder and is a guide wheel, a vertical guide rail on the side wall of the guide frame is a guide groove, the guide wheel is embedded into the guide groove, and the slip is detachably arranged on the hydraulic clamp holder.
Preferably, the slips are provided with a plurality of models of different gripping sizes.
Preferably, the lower nozzle is V-shaped.
The utility model discloses for prior art gain following technological effect:
the power device for lowering the pipeline can be parallelly connected with a drill rod column, a casing string and other pipe strings downwards on the marine single derrick/wellhead drilling platform, the hydraulic clamp holder is driven by the lifting mechanism to move up and down, the hydraulic clamp holder can realize the clamping of drilling tools with different specifications by replacing slips, and the equipment has the capacity of parallel lowering the pipeline when the top drive or the wellhead is occupied; the equipment that relates to during the use does not occupy the well head, and does not use the used equipment of well head drilling tools such as top drive, can with well head equipment parallel operation, realizes connecing of string of tubes and connects, improves the operating efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a power plant capable of running a pipe string in a moon pool area according to the present invention;
FIG. 2 is a schematic structural diagram II of a power plant capable of running in a pipe string in a moon pool area according to the present invention;
fig. 3 is a third schematic structural view of a power plant capable of running a pipe string in a moon pool area according to the present invention;
wherein: the method comprises the following steps of 1-a blowout preventer trolley, 2-a base, 3-a lower pipe orifice, 4-a lifting oil cylinder, 5-a guide frame, 6-a vertical guide rail, 7-a crown block, 8-a fixed pulley, 9-a steel wire rope, 10-a hydraulic clamp, 11-a slip and 12-a guide wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model aims at providing a can be at power device of moon pool district lower tube cluster to solve the problem that prior art exists, make the top drive or the well head still possess the ability of parallel lower tube when being accounted for.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 3: this embodiment provides a can be at power device of moon pool district lower tube cluster, including base 2, elevating system and fixture, base 2 can be dismantled and set up (through the bolt fastening) on preventer platform truck 1, is provided with open lower mouth 3 on base 2, and lower mouth 3 is the V type, and the top is provided with the round mouth. The slips 11 of the clamping mechanism and the round mouth of the lower pipe orifice 3 are located on the same vertical line to guarantee the verticality of the pipe string, the base 2 is provided with the lifting mechanism, the lifting mechanism is provided with the clamping mechanism, the lifting mechanism can drive the clamping mechanism to move up and down, the clamping mechanism is used for clamping the pipe string, and the clamping mechanism corresponds to the lower pipe orifice 3 to enable the pipe string to be in a vertical state. The blowout preventer trolley 1 is used as an installation platform, the hydraulic station of the drilling machine is used as a power source, the blowout preventer crane or the folding arm crane is used for installation, the disassembly is convenient, the moon pool space is not occupied, the equipment has the functions of clamping, lifting, lowering, suspending, translating and the like of the drilling tool, the equipment can be used as a wellhead power device for realizing the offline operation of the drilling tool, the hydraulic operation platform can be used for direct control, and the wired operation platform can also be used for control.
The lifting mechanism comprises two lifting oil cylinders 4, guide frames 5 and crown blocks 7, the lifting oil cylinders 4 are connected with the crown blocks 7 on two ejector rods, a pair of guide frames 5 are correspondingly arranged on the lifting oil cylinders 4, vertical guide rails 6 are respectively arranged on the guide frames 5, the clamping mechanism is provided with a sliding block matched with the vertical guide rails 6, and the clamping mechanism bypasses the crown blocks 7 and the base through steel wire ropes 9 or chains. Wherein, the overhead traveling crane 7 bilateral symmetry is provided with two sets of fixed pulleys 8, and wire rope 9 or chain are two and correspond around locating on fixed pulleys 8, are favorable to the stability of lift process.
The clamping mechanism comprises a hydraulic clamp holder 10 and a slip 11, a slide block is arranged on the side wall of the hydraulic clamp holder 10 and is a guide wheel 12, a vertical guide rail on the side wall of the guide frame 5 is a guide groove, the guide wheel 12 is embedded into the guide groove, so that the guide wheel 12 is not derailed, and the slip 11 can be detachably arranged (connected through bolts) on the hydraulic clamp holder 10, so that the corresponding model can be conveniently replaced according to the diameter of the pipe string. The slips 11 are provided with a plurality of models with different clamping sizes to clamp drilling tools and pipe strings with different specifications, and the middle part of the hydraulic clamp holder 10 is provided with a U-shaped opening for penetrating the pipe strings. The hydraulic gripper 10 and the slip 11 in this embodiment are conventional gripper and slip mechanisms in the art, and the gripper is driven by a hydraulic cylinder, and can be directly controlled by a hydraulic operating console or controlled by a wired electric control console. The hydraulic source can be from a loop hydraulic pump station or equipment of the drilling system.
The specific operation process flow of the embodiment is as follows:
after the drilling tool is sent from the drilling platform surface and inserted into the hydraulic clamp holder 10 below, the hydraulic clamp holder 10 below moves upwards to the end point position to clamp the drilling tool, the hydraulic clamp holder above the drilling platform surface is loosened, the lifting oil cylinder 4 moves downwards to drive the hydraulic clamp holder 10 below to move downwards on the vertical guide rail 6, the drilling tool stops and hovers until the upper part of the drilling tool meets the clamping requirement of the hydraulic clamp holder above, and after the connection of the drilling tool at the upper part is completed, the hydraulic clamp holder below releases and moves upwards to perform the descending circulation of the next drilling tool.
The device of this embodiment does not have special professional equipment, all can install additional at traditional single derrick/well head offshore jack-up, portable drilling platform, only need install on preventer fortune platform truck, utilizes rig hydraulic power drive, can realize parallel operation. After the well head creeps into to accomplish and propose the drilling rod, can directly transport the casing string to well head department through preventer platform truck 1, the top is driven directly and is connected with the tubular column, begins the tubular column and transfers the operation to in the casing string transfer in-process, the device of usable this embodiment continues to connect remaining casing string, and at the at utmost reduces operating time, promotes the operating efficiency.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (6)

1. A can be in power device of moon pool district lower tube cluster, its characterized in that: the base is detachably arranged on the blowout preventer trolley, a lower pipe orifice is arranged on the base, the lifting mechanism is arranged on the base, the clamping mechanism is arranged on the lifting mechanism and can drive the clamping mechanism to move up and down, the clamping mechanism is used for clamping a pipe string, and the clamping mechanism corresponds to the lower pipe orifice to enable the pipe string to be in a vertical state.
2. The power plant of claim 1, wherein: elevating system includes hoist cylinder, leading truck and overhead traveling crane, the hoist cylinder is connected with on two and the ejector pin the overhead traveling crane, it is provided with a pair ofly to correspond on the hoist cylinder the leading truck, set up a vertical guide rail on the leading truck respectively, fixture be provided with vertical guide rail assorted slider, fixture passes through wire rope or chain and bypasses the overhead traveling crane with base fixed connection.
3. The power plant of claim 2, wherein: two groups of fixed pulleys are symmetrically arranged on two sides of the crown block, and two steel wire ropes or two chains are correspondingly wound on the fixed pulleys.
4. The power plant of claim 2, wherein: the clamping mechanism comprises a hydraulic clamp holder and a slip, a sliding block is arranged on the side wall of the hydraulic clamp holder and is a guide wheel, a vertical guide rail on the side wall of the guide frame is a guide groove, the guide wheel is embedded into the guide groove, and the slip is detachably arranged on the hydraulic clamp holder.
5. The power plant of claim 4, wherein: the slips are provided with a plurality of models with different clamping sizes.
6. The power plant of claim 1, wherein: the lower pipe orifice is V-shaped.
CN202022339129.9U 2020-10-20 2020-10-20 Power device capable of being used for lowering pipe string in moon pool area Active CN213234985U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022339129.9U CN213234985U (en) 2020-10-20 2020-10-20 Power device capable of being used for lowering pipe string in moon pool area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022339129.9U CN213234985U (en) 2020-10-20 2020-10-20 Power device capable of being used for lowering pipe string in moon pool area

Publications (1)

Publication Number Publication Date
CN213234985U true CN213234985U (en) 2021-05-18

Family

ID=75879366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022339129.9U Active CN213234985U (en) 2020-10-20 2020-10-20 Power device capable of being used for lowering pipe string in moon pool area

Country Status (1)

Country Link
CN (1) CN213234985U (en)

Similar Documents

Publication Publication Date Title
US3857450A (en) Drilling apparatus
US3404741A (en) Automated system and drilling rig for continuously and automatically pulling and running a drill-pipe string
CN104563912A (en) Automatic operation system of drilling string
CA2362866A1 (en) Drilling machine and method for sinking a well
CN203614056U (en) Automatic operation system of drilling tubular column
CN112343525B (en) Compact type efficient operation drilling machine and method
US3099323A (en) Transfer platform for drill pipe elevators
CN112343524A (en) Compact type efficient operation drilling machine and method
CN107227934A (en) A kind of oil-well rig tubing string automated programming system
CN213234985U (en) Power device capable of being used for lowering pipe string in moon pool area
CN113073948A (en) Grid-driven automatic workover rig
CN112031681A (en) Hydraulic workover rig
CN112127813A (en) Power device capable of being used for lowering pipe string in moon pool area
CN112049583A (en) Hydraulic well repairing device
CN201982029U (en) Working device of well-drilling and repairing rig
CN111206886A (en) Drill string suspension method for ocean deep drilling operation
CN215804392U (en) Land continuous tripping drilling machine
CN103291210B (en) Gate-type double-tower gear-driven drilling machine
CN102199996B (en) Stand connection method and device thereof
CN212337196U (en) Hydraulic workover rig
CN101666208B (en) Gear rack lifting drilling machine
CN214365933U (en) Compact type efficient operation drilling machine
CN211573424U (en) Drill string suspension system for ocean deep drilling operation
CN214365932U (en) Compact type efficient operation drilling machine
CN215213351U (en) Double-wellhead self-elevating drilling platform cantilever beam device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant