CN109356531B - Double-well door type derrick - Google Patents
Double-well door type derrick Download PDFInfo
- Publication number
- CN109356531B CN109356531B CN201811403696.7A CN201811403696A CN109356531B CN 109356531 B CN109356531 B CN 109356531B CN 201811403696 A CN201811403696 A CN 201811403696A CN 109356531 B CN109356531 B CN 109356531B
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- Prior art keywords
- derrick
- fixedly connected
- frame
- face
- fingerboard
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Links
- 238000005553 drilling Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/02—Supports for the drilling machine, e.g. derricks or masts specially adapted for underwater drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/143—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole specially adapted for underwater drilling
Abstract
The invention relates to the field of marine drilling engineering equipment, in particular to a double-well-head door type derrick capable of simultaneously carrying out double-well-head operation, which comprises a main well frame fixedly connected with a foundation, an auxiliary well frame fixedly connected with the foundation, a traveling block movably connected with the top of the main well frame, a traveling block guide rail fixedly connected with the main well frame, a lifting hydraulic cylinder fixedly connected with the traveling block, a lifting hydraulic cylinder support fixedly connected with the bottom of the lifting hydraulic cylinder and a fingerboard fixedly connected with the main well frame or the auxiliary well frame.
Description
Technical Field
The invention relates to the field of marine drilling engineering equipment, in particular to a double-wellhead door type derrick capable of simultaneously carrying out double-wellhead operation.
Background
The marine drilling derrick is a drilling structure arranged on a marine platform or ship foundation, is mainly used for placing a crown block, suspending a traveling system, performing operations of drilling, tripping, discharging a stand, tripping a casing, treating underground accidents and the like, and is a main bearing structural member of a drilling machine.
The existing derrick mainly comprises a tower-shaped derrick and a front opening derrick according to the structural form. Due to the need for installing racking equipment, the derrick racking platform is usually arranged on the inner side of the derrick, and the inner space of the derrick is large. The overhead travelling crane is usually arranged at the top of the derrick and is used for installing lifting pulleys, the derrick hook load acts on the overhead travelling crane, the derrick and the base through the travelling crane system and is finally transferred to the hull structure, and the effective transfer of the derrick load is realized.
In the working process of the drilling machine, the derrick of the drilling machine is greatly affected by the hook load and the capacity of the stand, the marine drilling machine gradually goes deep from shallow sea to deep sea along with drilling operation, the operation water depth and the operation environment of the drilling machine are more severe, the drilling operation cost of the marine drilling machine is high, and the drilling efficiency of the drilling machine is improved, so that the drilling period of the drilling machine is especially important.
The prior art has the following problems:
1. the derrick in the prior art needs to bear all the hook load, the environmental load and the ship body motion load, so that the derrick body needs very large weight to bear various loads, and the cost is high;
2. the prior art has limited internal space of the derrick, so the capacity of the derrick discharge stand is limited, and the working depth of the derrick is greatly limited.
In order to solve the problems, it is necessary to invent a double-wellhead type derrick capable of bearing a large load and performing double wellhead operation with a small space limitation of an exhaust stand.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the double-wellhead door type derrick which can bear large load and has small limitation of discharge stand space and double-wellhead operation.
In order to achieve the above purpose, the present invention provides the following technical solutions.
The double-well portal derrick comprises a portal frame main derrick fixedly connected with a foundation and further comprises:
the bottom of the auxiliary derrick is fixedly connected with the foundation, the top of the auxiliary derrick is fixedly connected with the upper part of the main derrick of the gate frame, two side edges of the auxiliary derrick are respectively and fixedly connected with the lower part of the main derrick of the gate frame, and the auxiliary derrick plays a role in reinforcing the main derrick of the gate frame and shares the load born by the main derrick of the gate frame;
the number of the traveling trolleys is 2, and the traveling trolleys are symmetrically distributed at the top of the main derrick of the gate frame;
the trolley guide rails are fixedly connected with the main derrick of the gate-type frame, the number of the trolley guide rails is 2 groups, and the trolley guide rails are matched with the trolley;
one end of each lifting hydraulic cylinder is fixedly connected with the trolley, 2 groups of lifting hydraulic cylinders are provided, each 1 group of lifting hydraulic cylinders is matched with 1 trolley, and the number of each 1 group of lifting hydraulic cylinders is N, wherein N is more than or equal to 2;
the lifting hydraulic cylinder support is characterized in that the top end of the lifting hydraulic cylinder support is fixedly connected with the other end of the lifting hydraulic cylinder, the bottom end of the lifting hydraulic cylinder support is fixedly connected with the foundation, the number of the lifting hydraulic cylinder supports is 2, and each 1 group of lifting hydraulic cylinders are matched with 1 lifting hydraulic cylinder support;
the number of the finger girders is more than or equal to 1, and the finger girders are fixedly connected with the main derrick or the auxiliary derrick of the gate-type frame.
As a preferred scheme of the invention, the main portal frame is composed of a front side, a rear side, a left side, a right side, a top side and a pavement, wherein two long sides of the front side are fixedly connected with one long side of the left side and the right side of the derrick respectively, two long sides of the rear side are fixedly connected with the other long side of the left side and the right side of the derrick respectively, the front side, the rear side, the left side and the right side of the derrick are connected to form a cuboid frame, adjacent bottom sides of the front side, the rear side, the left side and the right side of the derrick are fixedly connected with the foundation, top sides of the front side, the rear side, the left side and the right side of the derrick are fixedly sleeved outside the upper part of the cuboid frame, a connecting rod for installing the lifting hydraulic cylinder is arranged on the front side and the rear side of the derrick respectively, and the left side and the right side of the derrick are connected with the top side of the derrick through connecting rods of the left side and the right side of the derrick or the right side of the derrick, and the left side and the top side of the derrick are fixedly connected with the top of the derrick.
As a preferable scheme of the invention, the auxiliary well frame is composed of a pull frame and a racking platform, the bottom of the racking platform is fixedly connected with the foundation, the middle part of the top of the racking platform is fixedly connected with the bottom of the pull frame, the two side edges of the racking platform are respectively and fixedly connected with the lower part of the main derrick of the gate-type frame, and the other end of the pull frame is fixedly connected with the upper part of the left side or the right side of the derrick.
As a preferable scheme of the invention, the racking platform consists of a mounting frame, an upper guide manipulator mounting seat and a lower guide manipulator mounting seat, wherein the bottom of the mounting frame is fixedly connected with the foundation, two side edges of the mounting frame are respectively and fixedly connected with the lower part of the main derrick of the portal frame, the number of the upper guide manipulator mounting seat and the lower guide manipulator mounting seat is 2, one upper guide manipulator mounting seat is fixedly connected with the middle upper part of one side edge of the mounting frame, one lower guide manipulator mounting seat is fixedly connected with the middle lower part of one side edge of the mounting frame, the other upper guide manipulator mounting seat is fixedly connected with the middle upper part of the other side edge of the mounting frame, and the other lower guide manipulator mounting seat is fixedly connected with the middle lower part of the other side edge of the mounting frame.
As a preferable scheme of the invention, one group of the trolley guide rails is fixedly arranged on two sides of the hole in front of the derrick, one trolley is arranged on the upper part in front of the derrick, one trolley is also in sliding connection with one group of the trolley guide rails, the bottom of the trolley is fixedly connected with the top of one group of the lifting hydraulic cylinders, the other group of the trolley guide rails is fixedly arranged on two sides of the hole in back of the derrick, the other trolley is arranged on the upper part in back of the derrick, the other trolley is also in sliding connection with the other group of the trolley guide rails, and the bottom of the other trolley is fixedly connected with the top of the other group of the lifting hydraulic cylinders.
As a preferable scheme of the invention, the double-well door type derrick further comprises an adjustable fingerboard, the adjustable fingerboard is composed of a fingerboard hydraulic cylinder, a fingerboard mounting plate, a fingerboard and a fingerboard mounting seat, the fingerboard mounting seat is fixedly connected with the lower part of the left side or the right side of the derrick, one end of the fingerboard hydraulic cylinder is movably connected with the lower part of the left side or the right side of the derrick, the other end of the fingerboard hydraulic cylinder is movably connected with the middle part of the side edge of the fingerboard mounting plate, the fingerboard is fixedly mounted on the fingerboard mounting plate, the fingerboard mounting plate is movably connected with the fingerboard mounting seat, and when the adjustable fingerboard is not needed, the fingerboard hydraulic cylinder drives the fingerboard mounting plate to retract towards the left side or the right side of the derrick.
As a preferable scheme of the invention, the number of the adjustable fingerboards is 1 or more
As a preferable scheme of the invention, the number of the mounting seats is M, and M is more than or equal to 1.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the transformation of the derrick structure, the double traveling cranes are arranged for operation, so that the operation efficiency is improved;
2. according to the invention, by arranging the auxiliary derrick, the number of the fingerboards and the adjustable fingerboards is increased, so that the storage capacity of the pipe tool is increased;
3. according to the invention, the auxiliary derrick is arranged, so that the stress capability of the derrick is improved;
4. the auxiliary well frame has large internal space and increases the capacity of the discharge stand.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is another perspective view of the present invention;
FIG. 3 is a perspective view of the main derrick of the portal frame of the present invention;
FIG. 4 is a perspective view of the secondary derrick of the present invention;
fig. 5 is a perspective view of an adjustable fingerboard of the present invention.
The marks in the figure: 1-gate frame main derrick, 11-derrick front, 12-derrick rear, 13-derrick left, 14-derrick right, 15-derrick top, 16-sidewalk, 17-connecting rod, 2-auxiliary derrick, 21-pull frame, 22-racking platform, 221-mounting frame, 222-upper guiding manipulator mounting seat, 223-lower guiding manipulator mounting seat, 3-travelling car, 4-travelling car guide rail, 5-lifting hydraulic cylinder, 6-lifting hydraulic cylinder support, 7-finger beam, 8-adjustable finger beam, 81-hydraulic cylinder, 82-finger beam frame mounting plate, 83-finger beam frame and 84-mounting seat.
Detailed Description
The present invention will be described in further detail with reference to the following examples and embodiments, but it should not be construed that the scope of the present invention is limited to the following examples, and all techniques realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1 and 2, the double-well portal derrick is composed of a portal frame main derrick 1, an auxiliary derrick 2, a traveling block 3, traveling block guide rails 4, lifting hydraulic cylinders 5, lifting hydraulic cylinder supports 6, a fingerboard 7 and adjustable fingerboards 8, the bottoms of the portal frame main derrick 1 and the auxiliary derrick 2 are fixedly connected with the upper part of the portal frame main derrick 1, the two sides of the auxiliary derrick 2 are respectively fixedly connected with the middle lower part of the portal frame main derrick 1, the number of the traveling blocks 3 is 2, the upper parts of the portal frame main derrick 1 are movably connected, the number of the traveling block guide rails 4 is 2, each 1 group of the traveling block guide rails 4 is matched with 1 traveling block 3, the lifting hydraulic cylinders 5 share 2 groups, in the embodiment, 5 lifting hydraulic cylinders 5 are shared by each 1 group of the lifting hydraulic cylinders 5, in other embodiments can be set according to actual requirements, the number of the single lifting hydraulic cylinders 5 in each 1 group of the lifting hydraulic cylinders are fixedly connected with the middle lower part of the portal frame main derrick 1, the number of the fingerboard 3 is more than the number of the portal frame 1, the number of the fingerboard 3 is fixedly connected with the bottom of the portal frame 1, the fingerboard 3 is fixedly connected with the bottom of the other floating blocks 7 in other embodiments, the top of the portal frame 1 is fixedly connected with the landing frame 6, the top of the fingerboard is fixedly connected with the other fingerboards 3, the bottom of the floating frames is fixedly connected with the floating frame 3, the top of the floating frame is fixedly connected with the floating frame 3, the floating frame is in other embodiment is fixedly connected with the top has the lifting hydraulic cylinder 3, the adjustable finger can be movably connected with the lower part of the auxiliary well frame.
As shown in fig. 3, the main derrick 1 of the portal frame is composed of a derrick front 11, a derrick rear 12, a derrick left 13, a derrick right 14, a derrick top 15, a pavement 16 and a connecting rod 17, wherein two long sides of the derrick front 11 are fixedly connected with one long side of the derrick left 13 and the derrick right 14 respectively, two long sides of the derrick rear 12 are fixedly connected with the other long side of the derrick left 13 and the derrick right 14 respectively, the connection of the front 11, the derrick rear 12, the derrick left 13 and the derrick right 14 forms a cuboid frame, adjacent bottom sides of the derrick front 11, the derrick rear 12, the derrick left 13 and the derrick right 14 are fixedly connected with a ship deck, the top sides of the derrick front 11, the derrick rear 12, the derrick left 13 and the derrick right 14 are fixedly sleeved outside the upper parts of the cuboid frame, the front 11 and the rear 12 are respectively provided with a hole for installing a lifting hydraulic cylinder 5, the connection of the connecting rod between the left side 13 and the right 14 is also fixedly connected with the connecting rod of the right side of the derrick right 14 or the connecting rod of the derrick 2 in the number of the 3, and the number of the connecting rod is determined by the number of the connecting rods of the derrick bottom of the derrick front 11 and the derrick right 14 or the derrick right 14.
As shown in fig. 4, the auxiliary derrick 2 is composed of a pull frame 21 and a racking platform 22, the bottom of the racking platform 22 is fixedly connected with the hull deck, the middle part of the top of the racking platform 22 is fixedly connected with the bottom of the pull frame 21, two sides of the racking platform 22 are respectively fixedly connected with the lower part of the portal frame main derrick 1, the other end of the pull frame 21 is fixedly connected with the upper part of the derrick left 13, in other embodiments, the other end of the pull frame 21 can be fixedly connected with the upper part of the derrick right 14, the racking platform 22 is composed of a mounting frame 221, an upper guide manipulator mounting seat 222 and a lower guide manipulator mounting seat 223, the bottom of the mounting frame 221 is fixedly connected with the hull deck, two sides of the mounting frame 221 are respectively fixedly connected with the lower part of the portal frame main derrick 1, the number of the upper guide manipulator mounting seat 222 and the lower guide manipulator mounting seat 223 is 2, the upper guide manipulator mounting seat 222 is fixedly connected with the middle lower part of 1 side of the mounting frame 221, the lower guide manipulator mounting seat 223 is fixedly connected with the middle lower part of 1 side of the other side of the mounting frame 221, and the upper guide manipulator mounting seat 1 is fixedly connected with the upper side of the other side 1 side of the mounting frame 221.
As shown in fig. 1-3, the 1 group of trolley guide rails 4 are fixedly mounted on two sides of a hole in the front 11 of the derrick, the 1 group of trolley guide rails 3 are movably mounted on the upper part of the front 11 of the derrick, the 1 group of trolley guide rails 3 are also in sliding connection with the 1 group of trolley guide rails 4, the bottom of the 1 group of trolley guide rails 3 is fixedly connected with the top of the 1 group of lifting hydraulic cylinders 5, the other 1 group of trolley guide rails 4 are fixedly mounted on two sides of a hole in the rear 12 of the derrick, the other 1 group of trolley guide rails 3 are movably mounted on the upper part of the rear 12 of the derrick, the other 1 group of trolley guide rails 4 are also in sliding connection with the other 1 group of trolley guide rails 4, and the bottom of the other 1 group of trolley guide rails 3 is fixedly connected with the top of the other 1 group of lifting hydraulic cylinders 5.
As shown in fig. 5, the embodiment includes 1 adjustable fingerboard 8, the adjustable fingerboard 8 is composed of a hydraulic cylinder 81, a fingerboard mounting plate 82, a fingerboard 83 and a fingerboard mounting seat 84, the fingerboard mounting seat 84 is fixedly connected with the lower portion of the left side 13 of the derrick, one end of the hydraulic cylinder 81 is movably connected with the lower portion of the left side 13 of the derrick, in other embodiments, the fingerboard mounting seat 84 may be fixedly connected with the lower portion of the right side 14 of the derrick or the mounting frame 221, one end of the hydraulic cylinder 81 may be movably connected with the lower portion of the right side 14 of the derrick or the mounting frame 221, the other end of the hydraulic cylinder 81 is movably connected with the middle portion of the side edge of the fingerboard mounting plate 82, the fingerboard 83 is fixedly mounted on the fingerboard mounting plate 82, the fingerboard mounting plate 82 is movably connected with the fingerboard mounting seat 84, in this embodiment, the number of the fingerboard mounting seats 84 is 2, in other embodiments, the fingerboard mounting seats 84 may be 1, 3 or more.
Claims (7)
1. The double-well portal derrick comprises a portal frame main derrick fixedly connected with a foundation, and is characterized by further comprising:
the bottom of the auxiliary derrick is fixedly connected with the foundation, the top of the auxiliary derrick is fixedly connected with the upper part of the main derrick, and the two side edges of the auxiliary derrick are respectively and fixedly connected with the lower part of the main derrick; the auxiliary well frame is composed of a pull frame and a two-layer platform, the bottom of the two-layer platform is fixedly connected with the foundation, the middle part of the top of the two-layer platform is fixedly connected with the bottom of the pull frame, the two side edges of the two-layer platform are respectively and fixedly connected with the lower part of the main derrick of the gate frame, and the other end of the pull frame is fixedly connected with the upper part of the left side or the right side of the main derrick of the gate frame;
the number of the traveling trolleys is 2, and the traveling trolleys are symmetrically distributed at the top of the main derrick of the gate-type frame;
the trolley guide rails are fixedly connected with the main well frame, the number of the trolley guide rails is 2 groups, and the trolley guide rails are matched with the trolley;
one end of each lifting hydraulic cylinder is fixedly connected with the trolley, 2 groups of lifting hydraulic cylinders are provided, each 1 group of lifting hydraulic cylinders is matched with 1 trolley, and the number of each 1 group of lifting hydraulic cylinders is N, wherein N is more than or equal to 2; the lifting hydraulic cylinder support is characterized in that the top end of the lifting hydraulic cylinder support is fixedly connected with the other end of the lifting hydraulic cylinder, the bottom end of the lifting hydraulic cylinder support is fixedly connected with the foundation, the number of the lifting hydraulic cylinder supports is 2, and each 1 group of lifting hydraulic cylinders are matched with 1 lifting hydraulic cylinder support;
the number of the finger beams is more than or equal to 1, and the finger beams are fixedly connected with the main derrick or the auxiliary derrick of the gate-type frame;
the adjustable finger is fixedly connected with the main derrick of the gate-type frame.
2. The double-well portal derrick of claim 1, wherein: the main derrick of the portal frame is composed of a derrick front face, a derrick rear face, a derrick left face, a derrick right face, a derrick top face and a pavement, wherein two long edges of the derrick front face are fixedly connected with one long edge of the derrick left face and one long edge of the derrick right face respectively, two long edges of the derrick rear face are fixedly connected with the other long edge of the derrick left face and the other long edge of the derrick right face respectively, the connection among the derrick front face, the derrick rear face, the left face and the derrick right face forms a cuboid frame, adjacent bottom edges of the derrick front face, the derrick rear face, the derrick left face and the derrick right face are fixedly connected with the foundation, the top edges of the derrick front face, the derrick rear face, the top edge of the derrick right face and the four long edges of the derrick top face are fixedly sleeved outside the upper portion of the cuboid frame, the derrick front face and the derrick rear face are respectively provided with a hole for installing the lifting hydraulic cylinder, the connection between the left face and the derrick right face is further connected with a connecting rod, the number of the derrick front face and the derrick left face or the derrick top face is greater than 1 or the left side or the derrick top face is fixedly connected with the derrick top.
3. The double-well portal derrick of claim 2, wherein: the double-deck platform comprises a mounting frame, an upper guide manipulator mounting seat and a lower guide manipulator mounting seat, wherein the bottom of the mounting frame is fixedly connected with a foundation, two sides of the mounting frame are respectively fixedly connected with the lower part of a main derrick of a gate type frame, the number of the upper guide manipulator mounting seat and the lower guide manipulator mounting seat is 2, one of the upper guide manipulator mounting seat and the middle upper part of one side of the mounting frame is fixedly connected, one of the lower guide manipulator mounting seat and the middle lower part of one side of the mounting frame is fixedly connected, the other of the lower guide manipulator mounting seat and the middle upper part of the other side of the mounting frame is fixedly connected, and the other of the lower guide manipulator mounting seat and the middle lower part of the other side of the mounting frame is fixedly connected.
4. A double well portal derrick as claimed in claim 3, wherein: the group of the trolley guide rails are fixedly arranged on two side edges of the hole in front of the derrick, one trolley is arranged on the upper part in front of the derrick, the other trolley is also in sliding connection with the group of the trolley guide rails, the bottom of the one trolley is fixedly connected with the top of the group of lifting hydraulic cylinders, the other group of the trolley guide rails are fixedly arranged on two side edges of the hole behind the derrick, the other trolley is arranged on the upper part behind the derrick, the other trolley is also in sliding connection with the other group of the trolley guide rails, and the bottom of the other trolley is fixedly connected with the top of the other group of lifting hydraulic cylinders.
5. The double-well portal derrick of claim 1, wherein: the adjustable fingerboard comprises a fingerboard hydraulic cylinder, a fingerboard mounting plate and a fingerboard mounting seat, wherein the fingerboard mounting seat is fixedly connected with the left side of the derrick or the right side of the derrick or the lower part of the mounting frame, one end of the fingerboard hydraulic cylinder is movably connected with the left side of the derrick or the right side of the derrick or the lower part of the mounting frame, the other end of the fingerboard hydraulic cylinder is movably connected with the middle part of the side edge of the fingerboard mounting plate, the fingerboard is fixedly mounted on the fingerboard mounting plate, and the fingerboard mounting plate is movably connected with the fingerboard mounting seat.
6. The double-well portal derrick of claim 5, wherein: the number of the adjustable fingerboards is more than or equal to 1.
7. The double-well portal derrick of claim 6, wherein: the number of the mounting seats is M, and M is more than or equal to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811403696.7A CN109356531B (en) | 2018-11-23 | 2018-11-23 | Double-well door type derrick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811403696.7A CN109356531B (en) | 2018-11-23 | 2018-11-23 | Double-well door type derrick |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109356531A CN109356531A (en) | 2019-02-19 |
| CN109356531B true CN109356531B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811403696.7A Active CN109356531B (en) | 2018-11-23 | 2018-11-23 | Double-well door type derrick |
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| CN (1) | CN109356531B (en) |
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