CN210659920U - Pulling type drilling machine derrick base structure - Google Patents
Pulling type drilling machine derrick base structure Download PDFInfo
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- CN210659920U CN210659920U CN201920976088.9U CN201920976088U CN210659920U CN 210659920 U CN210659920 U CN 210659920U CN 201920976088 U CN201920976088 U CN 201920976088U CN 210659920 U CN210659920 U CN 210659920U
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Abstract
The utility model relates to an oil drilling and production equipment field, in particular to an automatic and modularized pulling type drilling machine derrick base structure, which comprises a base assembly connected with a foundation, a derrick assembly movably connected with the base assembly, a trailer frame assembly movably connected with the base assembly and the derrick assembly respectively, and connecting fasteners movably connected with the base assembly, the derrick assembly and the trailer frame assembly respectively; the jacking hydraulic cylinder is fixedly connected with the trailer frame assembly or the base assembly; with connecting fastener or base assembly fixed connection's vaulting pole, the utility model discloses the beneficial effect of structure is that turning radius is little, the usable floor is unrestricted, can once only move fortune, reduce installation and handling time, automation and modularization.
Description
Technical Field
The utility model relates to an oil drilling equipment field, in particular to automatic, modular pull-type rig derrick base structure.
Background
Along with the continuous development of the drilling machine technology, the updating and upgrading speed of the drilling machine is continuously accelerated, the whole drilling machine develops towards serialization, standardization, diversification and modularization, meanwhile, the performance of the drilling machine is greatly improved, along with the continuous progress of the drilling machine technology, the automation of an enterprise on the field operation is realized, and the requirements of time and cost of the drilling equipment in the carrying process are higher and higher.
In recent years, various drilling contractors in middle east have clear regulations on moving time and moving vehicle number of drilling equipment in order to pursue maximization of benefits and reduce cost, and a light-weight, modularized and less-detachable wheel type trailer drilling machine is the best choice for drilling operation in desert and gobi areas with flat terrain and also powerfully promotes the rapid development of domestic petroleum drilling equipment technology.
The derrick and the base are used as main components of an oil drilling machine, the structure of the derrick and the base directly influences the performance of the drilling machine, the existing drilling machine generally adopts a K-type derrick matched rotary lifting type base structure form, and the derrick and the base are mainly lifted and lowered by a main winch; the K-type derrick is installed and transported in a split mode, the rotary lifting type base is also assembled and transported in a multi-module mode, and therefore the installation and the disassembly are complex, the consumed time is long, the number of transport vehicles is large, and the transport cost is high; in order to further improve the mounting, dismounting and moving efficiency of the drilling machine, a trailer drilling machine and a truck drilling machine are two common forms; at present, the derrick and the base for the oil field are mostly moved independently (as shown in figures 1 and 2), and the derrick 1 'and the base 2' need to be assembled again after reaching a well site, so that more time is consumed; secondly, the whole dragging drilling machine (as shown in figure 3) has over-high transportation height due to the fact that a derrick 1' is not placed down, and the transportation height of the drilling machine is larger than 40 meters under normal conditions, so that potential safety hazards exist; thirdly, the vehicle-mounted drilling machine, the derrick 1 ' and the host module (including the equipment of a winch A ', a diesel engine B ', a reduction gearbox C ' and the like) are transported together (as shown in figures 4 and 5), the base is required to be disassembled into parts for transportation, in addition, as the derrick 1 ' of the vehicle-mounted drilling machine is a guyed derrick, the derrick cannot be used in a desert environment, in actual use, a ground anchor is required to be installed by a ground anchor vehicle or is provided with a movable ground anchor, so that the installation time and the workload are increased, particularly in cluster well operation, the drilling machine is frequently displaced, and the corresponding auxiliary working time is increased; fourth, in the existing novel fast moving drilling machine (as shown in fig. 6 and 7), a rear trailer 5 ' and a trailer frame 3 ' which can be detached are respectively installed at the rear end and the front end of a base 2 ', but the structure has a large number of tires (high cost) and is difficult to reverse and center towards the center of a well head.
The prior art has the following problems:
1. in the prior art, a drilling machine adopts a structural form that a K-shaped well frame is matched with a rotary lifting type base, so that the drilling machine is complex in installation and disassembly, long in time consumption, multiple in transport vehicle number and high in transport cost;
2. in the prior art, the derrick and the base are mostly pulled and moved independently, and the derrick base needs to be assembled again after the derrick and the base reach a well site, so that the time is long;
3. the transportation height of a whole-trailer drilling machine commonly adopted in the prior art is more than 40 meters, the transportation area is limited due to overhigh transportation height, and great potential safety hazards exist;
4. in the prior art, a derrick and a base of a vehicle-mounted drilling machine which are usually adopted need to be transported independently, the derrick is a derrick with a guy rope, the use area is limited, and meanwhile, in actual use, a ground anchor needs to be installed by a ground anchor vehicle or is provided with a movable ground anchor, so that the installation time and the workload are increased, and the vehicle-mounted drilling machine is particularly not suitable for the working condition that the drilling machine needs to be frequently displaced in cluster well drilling operation;
5. in the quick moving and transporting drilling machine commonly adopted in the prior art, the rear end and the front end of a base of the quick moving and transporting drilling machine are respectively provided with a rear trailer and a trailer frame which can be detached, but the structure has more tires (high cost), is difficult to reverse and center towards the center of a well head and has large turning radius.
In order to solve the problems, the invention needs to invent a modular pulling type drilling machine derrick base structure which has small turning radius, no limit on the use area, capability of moving and transporting at one time, reduced installation and transportation time and automation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, provide a turning radius is little, the usable floor is unrestricted, can once only move fortune, reduce installation and handling time, automatic, modular pull-type rig derrick base structure.
In order to achieve the above object, the present invention provides the following technical solutions.
The utility model provides a pull-type rig derrick substructure structure, includes the base assembly who is connected with the basis, with base assembly swing joint's derrick assembly, respectively with base assembly and derrick assembly swing joint's trailer frame assembly, its characterized in that still includes:
the connecting fastener is movably connected with the base assembly, the derrick assembly and the trailer frame assembly respectively;
the jacking hydraulic cylinders are fixedly connected with the trailer frame assembly or the base assembly, the number of the jacking hydraulic cylinders is more than or equal to 4, the jacking hydraulic cylinders are uniformly and symmetrically distributed on two sides of the trailer frame, and every two jacking hydraulic cylinders are symmetrically distributed along the long axis direction of the trailer frame;
and one end of the support rod is fixedly connected with the connecting fastener or the base assembly, and the other end of the support rod is movably connected with the top of the trailer frame assembly.
As a preferred embodiment of the present invention, the present invention further includes:
and the tractor is movably connected with the trailer frame assembly.
As a preferred embodiment of the present invention, the present invention further includes:
the forecourt trailer is movably connected with the base assembly;
one end of the traction pull rod is movably connected with the tractor, and the other end of the traction pull rod is movably connected with the trailer frame assembly.
As the preferred scheme of the utility model, the base assembly includes:
the base is movably connected with the trailer frame;
the connecting block is fixedly connected with the upper part of the side edge of the base, and the connecting block is fixedly connected with the middle part of the connecting fastener;
the first connecting lug plate is fixedly connected with the middle part of the side edge of the base, and is movably connected with the upper part of the end face of the tail end of the trailer frame assembly;
the second connecting lug plate is movably connected with the bottom of the side edge of the base, and the second connecting lug plate is movably connected with the lower part of the tail end face of the trailer frame assembly
One end of the support rod is fixedly connected with the middle part of the connecting block or the connecting fastener;
the side edge of the base is symmetrical to the other side edge of the base.
As the preferred scheme of the utility model, the base assembly includes:
the base is movably connected with the trailer frame;
the connecting block is fixedly connected with the upper part of the side edge of the base;
the first connecting lug plate is fixedly connected with the middle part of the side edge of the base, and the first connecting lug plate is movably connected with the tail end of the trailer frame assembly;
the second connecting lug plate is movably connected with the bottom of the side edge of the base, and the second connecting lug plate is movably connected with the tail end of the trailer frame assembly;
the connecting lug plate III is fixedly connected with the middle of the other side edge of the base, and is movably connected with the front end of the forecourt trailer;
the connecting ear plate four is fixedly connected with the lower part of the other side edge of the base, and the connecting ear plate four is movably connected with the front end of the forecourt trailer;
one end of the support rod is fixedly connected with the middle part of the connecting block or the connecting fastener;
the side edge of the base is symmetrical to the other side edge of the base.
As the utility model discloses a preferred scheme, trailer frame assembly includes:
the trailer frame is movably connected with the base through the first connecting lug plate and the second connecting lug plate, a sliding rail is fixedly connected to the middle of the side edge of the trailer frame, and a pin hole is formed in the sliding rail;
a transport tire assembly connected to the trailer frame;
the connecting frame consists of a frame body and a traction pin, the frame body is fixedly connected with the end part of the trailer frame, and the traction pin is fixedly connected with the bottom of the frame body;
the connecting lug plate V is fixedly connected with the top of the trailer frame;
the connecting lug plate six is fixedly connected with the top of the trailer frame, and the connecting lug plate six is movably connected with the other end of the stay bar;
the connecting lug plate seven is fixedly connected with the top of the tail end of the trailer frame, and is also movably connected with the bottom of the connecting fastener;
the connecting lug plate eight is fixedly connected with the upper part of the tail end of the trailer frame, and is movably connected with the connecting lug plate I;
and the connecting lug plate nine is fixedly connected with the lower part of the tail end of the trailer frame, and is movably connected with the connecting lug plate two.
As a preferred aspect of the present invention, the derrick assembly includes:
the derrick is a telescopic derrick and consists of N sections, namely a derrick first section, a derrick second section and a derrick N section, wherein the derrick second section is sleeved in the derrick first section, and the like, and the derrick N section is sleeved in the derrick N-1 section;
the derrick hoisting device is movably connected with the derrick;
one end of the front supporting leg is movably connected with the bottom of the derrick, and the other end of the front supporting leg is movably connected with the top of the base;
one end of the rear supporting leg is fixedly connected with the bottom of the derrick, and the other end of the rear supporting leg is movably connected with the top of the connecting fastener;
one end of the derrick lifting hydraulic cylinder is movably connected with one side edge of the derrick, and the other end of the derrick lifting hydraulic cylinder is movably connected with the connecting lug plate V;
the number of the derrick telescopic locking devices is N-1, and the N-1 derrick telescopic locking devices are respectively and movably connected with the derrick section to the derrick N-1 section;
the racking platform is movably connected with the upper part of the derrick and can be retracted;
one end of the racking platform contraction hydraulic cylinder is movably connected with one end of the bottom of the racking platform, which is far away from the derrick, and the other end of the racking platform contraction hydraulic cylinder is movably connected with the side edge of the derrick;
the overhead traveling crane is movably connected with the top of the derrick.
As the preferred scheme of the utility model, derrick telescopic locking device includes:
one end of each of the N-1 telescopic hydraulic cylinders is fixedly connected with the outer side of the top from one section of the derrick to the N-section of the derrick;
one end of the adapter plate is movably connected with the other end of the telescopic hydraulic cylinder;
one end of the first connecting rod is movably connected with the middle part of the adapter plate;
one end of the second connecting rod is movably connected with the other end of the adapter plate;
the number of the fixed blocks is more than or equal to 2, the fixed blocks are fixedly connected with the outer side of the derrick, and the first connecting rod and the second connecting rod penetrate through the fixed blocks and are in sliding connection with the fixed blocks
The number of the fixing pins is more than or equal to 2, the fixing pins are symmetrically distributed on two opposite outer side edges of the upper parts of the sections from the derrick section to the derrick N-1 and are movably connected with the upper parts of the sections from the derrick section to the derrick N-1, and fixing pin mounting holes matched with the fixing pins are formed in the outer side edges of the lower part of the derrick section to the outer side edges of the lower part of the derrick N section;
the number of the fixed pin connecting rods is consistent with that of the fixed pins, one end of each fixed pin connecting rod is movably connected with the first connecting rod and the second connecting rod, and the other end of each fixed pin connecting rod is fixedly connected with the fixed pins.
As a preferred embodiment of the present invention, the first connecting rod comprises a first rod, a second rod and a third rod, one end of the first rod is movably connected to the middle of the adapter plate, the other end of the first rod is movably connected to one end of the second rod, the first rod is perpendicular to the second rod, the first rod is parallel to the ground, the second rod is perpendicular to the ground, the other end of the second rod is fixedly connected to one end of the third rod, and the other end of the third rod passes through the fixed block and is slidably connected to the fixed block; the third rod piece is parallel to the ground and is vertical to the first rod piece and the second rod piece;
the connecting rod II comprises a rod member IV, a rod member V and a rod member VI, one end of the rod member IV is movably connected with the other end of the adapter plate, the other end of the rod member IV is movably connected with one end of the rod member V, the rod member IV is perpendicular to the rod member V, the rod member IV is parallel to the ground, the rod member V is perpendicular to the ground, the other end of the rod member V is fixedly connected with one end of the rod member VI, and the other end of the rod member VI penetrates through the fixed block and is in sliding connection with the fixed block; the rod member six is parallel to the ground and is perpendicular to the rod member four and the rod member five.
As the utility model discloses an optimal scheme, the fixed pin mounting hole is waist shape hole, waist shape narrow width down on the hole, waist shape hole upper portion circular arc radius with the size matching of fixed pin.
As the utility model discloses a preferred scheme, the transportation tire assembly comprises M to tire group and coupling mechanism, and M is greater than or equal to 1, coupling mechanism's quantity with the quantity of tire group matches, and wherein M is right the tire group with coupling mechanism swing joint, the last connecting hole of having seted up of coupling mechanism, the quantity more than or equal to 2 of connecting hole, the connecting hole with the pinhole matches, coupling mechanism with the slide rail adopts in the following connected form:
A. in a transportation state, the connecting mechanism is fixedly connected with the slide rail;
B. under the installation and operating condition, coupling mechanism with slide rail swing joint.
As a preferable scheme of the present invention, a connection form of the racking platform and the derrick is any one of the following two forms:
C. the racking platform is fixedly connected with the derrick;
D. the racking platform is movably connected with the top of one section of the derrick, a racking platform contraction hydraulic cylinder is movably connected between the racking platform and one section of the derrick, one end of the racking platform contraction hydraulic cylinder is movably connected with the bottom or the side of the racking platform, and the other end of the racking platform contraction hydraulic cylinder is movably connected with the derrick.
Description of the working state:
when the derrick assembly and the base assembly are in working states, the derrick assembly is upright, the bottoms of the base assembly and the trailer frame assembly are directly located on the ground or on a foundation, and equipment such as a winch, a hydraulic station, a rope hoist, a BOP control device and the like are arranged at the top of the trailer frame assembly; hook load, turntable load, stand load and dead weight are transmitted to the ground through the base assembly, the trailer frame assembly and the jacking hydraulic cylinder.
Before the drilling machine is moved, the derrick lifting device lifts a part of the derrick upwards, then the derrick telescopic locking device retracts the fixing pin, the derrick is retracted to the shortest by the derrick lifting device, the overall gravity center of the derrick is reduced, the derrick lifting hydraulic cylinder pulls the derrick to be slowly lowered to a position to be positioned, and the crown block is reliably supported on the connecting frame of the trailer frame assembly; after the derrick is lowered down, the racking platform is contracted, and the transportation height is reduced; and a piston rod of the jacking hydraulic cylinder extends out to be supported to the ground, the base assembly and the trailer frame assembly are lifted off the ground, the transport tire assembly is lowered, the transport tire assembly is fixedly connected with the trailer frame assembly, the tractor is started, a traction pin on the connecting frame is well connected with the tractor and locked, and finally, the piston rod of the jacking hydraulic cylinder is slowly withdrawn, so that the state of the complete machine can be transferred.
After the truck is transported to a new well position, the jacking hydraulic cylinder supports the whole weight, the connection between the transport tire assembly and the trailer frame assembly is unlocked, the tractor is moved away, the jacking hydraulic cylinder is slowly retracted until the base assembly contacts the ground, and the jacking cylinder is locked; and after the contracted racking platform is rotated to a working position and the support rod is installed, operating the derrick lifting hydraulic cylinder to lift the derrick assembly, and operating the derrick lifting device to lift the derrick to extend the derrick to a working length to reach a working state.
The utility model discloses the structure is applicable to the cluster well, can realize moving the fortune fast in the well site, if move the fortune distance shorter (for example cluster well), can not put down the derrick assembly only needs will the derrick retract to the shortest length can, the operation the jacking hydraulic cylinder makes the piston rod of jacking hydraulic cylinder stretches out and supports ground, will base assembly and trailer frame assembly lift off ground, transfer transportation tire assembly makes its and trailer frame assembly fixed connection base assembly tail end installation the forecourt is pulled, connects at last pull connecting rod and tractor can reach the derrick transport condition of standing vertically.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adopts the connecting fastener, so that the base assembly is connected with the trailer frame at three points, and the three connecting points share the pulling force generated by the dead weight and received by the side edge of the base assembly, so that the side edge of the base assembly is not easy to deform;
2. the utility model adopts the derrick lifting hydraulic cylinder, so that the derrick can be laid down through the derrick lifting hydraulic cylinder during transportation, and the transportation height is reduced;
3. the utility model adopts the telescopic derrick, so that the overhigh derrick can be lifted by the derrick lifting device, the transportation height is reduced during transportation, and the integral transportation of the derrick base and the derrick can be realized;
4. the utility model adopts the retractable racking platform, when transportation is needed, the racking platform is retracted through the racking platform retracting hydraulic cylinder, thereby reducing the transportation height of the whole drilling machine;
5. the utility model adopts a novel derrick telescopic locking device, which can quickly, simply and conveniently realize the locking between two sections of derricks;
6. the hole on the side edge of the derrick, which is matched with the fixing pin for locking, is a waist-shaped hole, the upper part of the waist-shaped hole is narrow, and the lower part of the waist-shaped hole is wide, so that the fixing pin can quickly penetrate into the waist-shaped hole, and the locking is quickly realized;
7. the utility model arranges the transport tire group at the middle rear part of the trailer frame, thereby reducing the turning radius of the tractor, improving the transport efficiency and reducing the transport risk;
8. the utility model discloses a whole process of transportation and installation is simple and convenient, need not demolish the equipment on base assembly and the trailer frame assembly during the transportation, and the part main part of base assembly and derrick assembly also need not demolish, has saved the installation dismantlement time of each part, equipment.
Drawings
FIG. 1 is a front view of a prior art base being moved separately;
FIG. 2 is a prior art elevation view of a derrick being transported separately;
FIG. 3 is a front view of a prior art integrated drag drilling rig transfer;
FIG. 4 is a prior art front elevation view of the derrick and host module being transported together;
FIG. 5 is a front view of a prior art derrick secured by a guy line;
FIG. 6 is a transfer elevation view of a prior art rapid transfer rig;
FIG. 7 is an elevation view of a prior art installation of a rapid transit drilling rig;
fig. 8 is a front view of the present invention;
fig. 9 is another front view of the present invention;
fig. 10 is another elevation view of the present invention;
fig. 11 is a front view of the base assembly of the present invention;
fig. 12 is another front view of the base assembly of the present invention;
FIG. 13 is a front view of the trailer frame of the present invention;
fig. 14 is a front view of a derrick assembly of the present invention;
FIG. 15 is a perspective view of the derrick telescopic locking device of the present invention;
FIG. 16 is a top view of the installation of the derrick telescopic locking device of the present invention;
FIG. 17 is a perspective view of the installation of the derrick telescopic locking device of the present invention;
FIG. 18 is a perspective view of the connecting rod of the derrick telescopic locking device of the present invention;
FIG. 19 is a perspective view of a connecting rod II of the derrick telescopic locking device of the present invention;
fig. 20 is a schematic view of the fixing pin and the fixing pin mounting hole during the installation process of the fixing pin of the present invention;
fig. 21 is a schematic view of the fixing pin of the present invention locked with the fixing pin mounting hole;
FIG. 22 is a front view of a transportation tire assembly of the present invention;
fig. 23 is a top view of the tire assembly of the present invention.
The labels in the figure are: 1-a derrick assembly; 11-a derrick; 111-fixed pin mounting holes; 12-a derrick hoisting device; 13-front leg support; 14-rear leg; 15-derrick lifting hydraulic cylinder; 16-a derrick telescoping locking device; 161-telescopic hydraulic cylinder; 162-an adapter plate; 163-connecting rod one; 1631-rod one; 1632-rod two; 1633-rod three; 164-connecting rod two; 1641-bar four; 1642-rod five; 1643-member six; 165-a fixed pin; 166-fixing block; 167-fixed pin linkage; 17-a racking platform; 18-a crown block; 19-a racking platform retraction hydraulic cylinder; 2-a base assembly; 21-a base; 22-connecting block; 23-connecting the first lug plate; 24-connecting a second lug plate; 25-connecting ear plate III; 26-connecting a lug plate IV; 3-a trailer frame assembly; 31-trailer frame; 311-a slide rail; 32-a transport tire assembly; 321-a tire set; 322-a connection mechanism; 33-a connecting frame; 34-connecting a lug plate V; 35-connecting ear plate six; 36-connecting lug plate seven; 37-connecting an ear plate eight; 38-connecting ear plate nine; 4-connecting fasteners; 5-jacking a hydraulic cylinder; 6-a stay bar; 7-a tractor; 8-front field towing; 9-a traction pull rod; a-a winch; b-a hydraulic station; c-rope rewinding machine; a D-BOP control device.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and specific embodiments, but it should not be understood that the scope of the above-mentioned subject matter of the present invention is limited to the following embodiments, and all the technologies realized based on the present invention belong to the protection scope of the present invention.
Example 1
As shown in fig. 8, the derrick substructure of the pulling type drilling machine comprises a substructure assembly 2 connected with a foundation, a derrick assembly 1 movably connected with the substructure assembly 2, a trailer frame assembly 3 movably connected with the substructure assembly 2 and the derrick assembly 1, respectively, a connecting fastener 4 movably connected with the substructure assembly 2, the derrick assembly 1 and the trailer frame assembly 3, respectively, a jacking hydraulic cylinder 5 fixedly connected with the trailer frame assembly 3 or the substructure assembly 2, and a brace 6 movably connected with the connecting fastener 4, wherein a winch a, a hydraulic station B, a rope laying machine C and a BOP control device are fixedly arranged at the top of the trailer frame assembly 3.
In the embodiment, the number of the jacking hydraulic cylinders 5 is 6, wherein 4 jacking hydraulic cylinders 5 are uniformly and symmetrically distributed on two sides of the trailer frame assembly 3, every two jacking hydraulic cylinders 5 are symmetrically distributed along the long axis direction of the trailer frame assembly 3, and the rest 2 jacking hydraulic cylinders 5 are symmetrically distributed on two sides of the base assembly 2; one end of the stay bar 6 is fixedly connected with the base assembly 2, and the other end of the stay bar 6 is movably connected with the top of the trailer frame assembly 3.
As shown in fig. 11, the base assembly 2 is composed of a base 21 movably connected with the trailer frame assembly 3, a connecting block 22 fixedly connected with the upper portion of the side edge of the base 21, a first connecting lug plate 23 fixedly connected with the middle portion of the side edge of the base 21, and a second connecting lug plate 24 fixedly connected with the lower portion of the side edge of the base 21, wherein the first connecting lug plate 23 is also movably connected with the upper portion of the end face of the tail end of the trailer frame assembly 3, the second connecting lug plate 24 is also movably connected with the lower portion of the end face of the tail end of the trailer frame assembly 3, one end of the stay bar 6 is fixedly connected with the connecting block 22, and in other embodiments, one end of the stay bar.
As shown in FIG. 13, the trailer frame assembly 3 comprises a trailer frame 31 movably connected with the base 21, a transportation tire assembly 32 connected with the trailer frame 31, a connecting frame 33 fixedly connected with the end part of the trailer frame 31, a connecting ear plate five 34 fixedly connected with the top part of the trailer frame 31, six 35 with the connection otic placode of trailer frame 31 top fixed connection, seven 36 with the connection otic placode of trailer frame 31 top fixed connection, eight 37 with the connection otic placode of trailer frame 31 tail end upper portion fixed connection and nine 38 with the connection otic placode of trailer frame 31 tail end lower part fixed connection, transportation tire assembly 32 is connected with the both sides of trailer frame 31, the both sides of trailer frame 31 are provided with the slide rail, processing has the pinhole on the slide rail, six 35 with the other end swing joint of vaulting pole 6 of connection otic placode, seven 36 of connection otic placode and the bottom swing joint of coupling fastener, eight 37 of connection otic placode and 23 swing joint of connection otic placode, nine 38 of connection otic placode and two 24 swing joints of connection otic placode.
As shown in fig. 14, the derrick assembly 1 includes a derrick 11, a derrick lifting device 12 movably connected to the derrick 11, a front leg 13 movably connected to the bottom of the derrick 11, a rear leg 14 fixedly connected to the bottom of the derrick 11, a derrick lifting hydraulic cylinder 15 movably connected to one side of the derrick 11, a derrick telescopic locking device 16 movably connected to the derrick 11, a racking 17 movably connected to the other side of the derrick, racking retracting hydraulic cylinders movably connected to the bottoms of the racking 17 and the derrick 11, respectively, and a crown block 18 movably connected to the top of the derrick 11; in other embodiments, the racking board 17 can be fixedly connected with the derrick 11, in other embodiments, the racking board contraction hydraulic cylinder 19 can be movably connected with the side edge of the racking board 17, and other connection modes are unchanged; the derrick 11 in this embodiment is a two-section telescopic derrick, the derrick 11 is divided into a first derrick section and a second derrick section, the second derrick section is sleeved in the first derrick section, in other embodiments, the derrick 11 may be a three-section or other number of section telescopic derrick, the derrick hoisting device 12 in this embodiment is a derrick telescopic hydraulic cylinder, one end of the derrick telescopic hydraulic cylinder is movably connected with the upper part of the first derrick section, the other end of the derrick telescopic hydraulic cylinder is movably connected with the lower part of the second derrick section, in other embodiments, the derrick hoisting device 12 may be a wire rope hoisting device or other devices; in the present embodiment, the number of the derrick telescopic locking means 16 is one; the top of the front supporting leg 13 is movably connected with the bottom of the derrick 11, the bottom of the front supporting leg 13 is movably connected with the top of the base 21, the top of the rear supporting leg 14 is fixedly connected with the bottom of the derrick 11, the bottom of the rear supporting leg 14 is movably connected with the connecting fastener 4, the bottom of the derrick 11 at one end of the derrick lifting hydraulic cylinder 15 is movably connected, and the other end of the derrick lifting hydraulic cylinder 15 is movably connected with the connecting lug plate.
As shown in fig. 15-21, the derrick telescopic locking device 16 includes a telescopic hydraulic cylinder 161 fixedly connected with the outer side of the top of one section of the derrick, an adapter plate 162 movably connected with one end of the telescopic hydraulic cylinder 161, a first connecting rod 163 movably connected with the middle of the adapter plate 162, a second connecting rod 164 movably connected with the lower part of the adapter plate 162, a fixed block 166 fixedly connected with the outer side of the top of one section of the derrick, fixing pins 165 symmetrically and uniformly distributed on two opposite outer sides of the top of one section of the derrick, and fixing pin connecting rods 167 movably connected with the fixing pins 165, in this embodiment, there are 4 fixing pins 165, there are 2 fixing pins on each outer side of the derrick, the number of the fixing blocks 166 is 4, there are 2 fixing pins on each outer side of the derrick, the first connecting rod 163 and the second connecting rod 164 pass through the fixing blocks 166 to be slidably connected with the fixing blocks 166, there are fixing pin mounting holes 111 matching, the fixing pin mounting hole 111 is a waist-shaped hole, the upper part of the waist-shaped hole is narrow and wide, the size of the upper part of the waist-shaped hole is matched with that of the fixing pin 165, the size of the lower part of the waist-shaped hole is larger than that of the fixing pin 165, so that the fixing pin 165 can be quickly and accurately aligned; the first connecting rod 163 and the second connecting rod 164 are composed of three rod pieces which are movably connected with each other, wherein the first connecting rod 163 is composed of a first rod piece 1631, a second rod piece 1632 and a third rod piece 1633, one end of the first rod piece 1631 is movably connected with the middle part of the adapter plate 162, the other end of the first rod piece 1631 is movably connected with one end of the second rod piece 1632, the first rod piece 1631 is perpendicular to the second rod piece 1632, the first rod piece 1631 is parallel to the ground, the second rod piece 1632 is perpendicular to the ground, the other end of the second rod piece 1632 is fixedly connected with one end of the third rod piece 1633, the other end of the third rod piece 1633 penetrates through the fixed block 166 and is in sliding connection with the fixed block 166, and the third rod piece 1633; the second connecting rod 164 is composed of a fourth rod 1641, a fifth rod 1642 and a sixth rod 1643, one end of the fourth rod 1641 is movably connected with the other end of the adapter plate 162, the other end of the fourth rod 1641 is movably connected with one end of the fifth rod 1642, the fourth rod 1641 is perpendicular to the fifth rod 1642, the fourth rod 1641 is parallel to the ground, the fifth rod 1642 is perpendicular to the ground, the other end of the fifth rod 1642 is fixedly connected with one end of the sixth rod 1643, the other end of the sixth rod 1643 penetrates through the fixed block 166 and is slidably connected with the fixed block 166, and the sixth rod 1643 is parallel to the ground and perpendicular to the fourth rod 1641 and the fifth rod 1642.
As shown in fig. 21-23, the transportation tire assembly 32 is composed of 2 pairs of tire groups 321 and connecting mechanisms 322, in other embodiments, the number of the tire groups 321 may be 1 pair or other number, each tire group 321 is composed of four tires, the tire groups 321 are movably connected with the connecting mechanisms 322, the connecting mechanisms 322 are provided with connecting holes, the connecting blocks are matched with pin holes processed on the slide rails of the trailer frame 31, in a transportation state, the connecting mechanisms 322 are fixedly connected with the slide rails through pin shafts, and in an installation and working state, the connecting mechanisms 322 are disconnected from the slide rails to be movably connected.
Example 2
As shown in fig. 9, the derrick substructure of the pulling type drilling machine comprises a base assembly 2 connected with a foundation, a derrick assembly 1 movably connected with the base assembly 2, a trailer frame assembly 3 respectively movably connected with the base assembly 2 and the derrick assembly 1, a connecting fastener 4 respectively movably connected with the base assembly 2, the derrick assembly 1 and the trailer frame assembly 3, a jacking hydraulic cylinder 5 fixedly connected with the trailer frame assembly 3 or the base assembly 2, a brace 6 movably connected with the connecting fastener 4, a tractor 7 movably connected with the front end of the trailer frame assembly 3, and a winch a, a hydraulic station B, a rope-rewinding machine C and a BOP control device fixedly arranged at the top.
In the embodiment, the number of the jacking hydraulic cylinders 5 is 6, wherein 4 jacking hydraulic cylinders 5 are uniformly and symmetrically distributed on two sides of the trailer frame assembly 3, every two jacking hydraulic cylinders 5 are symmetrically distributed along the long axis direction of the trailer frame assembly 3, and the rest 2 jacking hydraulic cylinders 5 are symmetrically distributed on two sides of the base assembly 2; one end of the stay bar 6 is fixedly connected with the base assembly 2, and the other end of the stay bar 6 is movably connected with the top of the trailer frame assembly 3.
As shown in fig. 11, the base assembly 2 is composed of a base 21 movably connected with the trailer frame assembly 3, a connecting block 22 fixedly connected with the upper portion of the side edge of the base 21, a first connecting lug plate 23 fixedly connected with the middle portion of the side edge of the base 21, and a second connecting lug plate 24 fixedly connected with the lower portion of the side edge of the base 21, wherein the first connecting lug plate 23 is also movably connected with the upper portion of the end face of the tail end of the trailer frame assembly 3, the second connecting lug plate 24 is also movably connected with the lower portion of the end face of the tail end of the trailer frame assembly 3, one end of the stay bar 6 is fixedly connected with the connecting block 22, and in other embodiments, one end of the stay bar.
As shown in FIG. 13, the trailer frame assembly 3 comprises a trailer frame 31 movably connected with a base 21, a transportation tire assembly 32 connected with the trailer frame 31, a connecting frame 33 fixedly connected with the end of the trailer frame 31, a connecting lug plate five 34 fixedly connected with the top of the trailer frame 31, a connecting lug plate six 35 fixedly connected with the top of the trailer frame 31, a connecting lug plate seven 36 fixedly connected with the top of the trailer frame 31, a connecting lug plate eight 37 fixedly connected with the upper part of the tail end of the trailer frame 31 and a connecting lug plate nine 38 fixedly connected with the lower part of the tail end of the trailer frame 31, wherein the transportation tire assembly 32 is connected with two sides of the trailer frame 31, slide rails are arranged on two sides of the trailer frame 31, pin holes are processed on the slide rails, the connecting lug plate six 35 is movably connected with the other end of a stay bar 6, the connecting lug plate seven 36 is movably connected with the bottom of a connecting fastener, the connecting lug plate eight 37 is movably connected with the connecting lug plate one 23, the connecting lug plate nine 38 is movably connected with the, the connecting frame 33 is composed of a frame body and a traction pin, the frame body is fixedly connected with the top end of the trailer frame, and the traction pin is movably connected with the tail part of the tractor.
As shown in fig. 14, it is identical to embodiment 1 and will not be described herein.
As shown in fig. 15 to 21, it is identical to embodiment 1 and will not be described herein.
As shown in fig. 21 to 23, it is identical to embodiment 1 and will not be described herein.
Example 3
As shown in fig. 10, the derrick substructure of the pulling type drilling machine comprises a base assembly 2 connected with a foundation, a derrick assembly 1 movably connected with the base assembly 2, a trailer frame assembly 3 movably connected with the base assembly 2 and the derrick assembly 1 respectively, a connecting fastener 4 movably connected with the base assembly 2, the derrick assembly 1 and the trailer frame assembly 3 respectively, a jacking hydraulic cylinder 5 fixedly connected with the trailer frame assembly 3 or the base assembly 2, a stay bar 6 movably connected with the connecting fastener 4, a traction pull bar 9 movably connected with the front end of the trailer frame assembly 3, a tractor 7 movably connected with the traction pull bar 9, a forecourt trailer 8 movably connected with the tail end of the derrick base 2, and a winch a, a hydraulic station B, a rope jack C and a BOP control device fixedly arranged at the top of the trailer frame assembly 3.
In the embodiment, the number of the jacking hydraulic cylinders 5 is 6, wherein 4 jacking hydraulic cylinders 5 are uniformly and symmetrically distributed on two sides of the trailer frame assembly 3, every two jacking hydraulic cylinders 5 are symmetrically distributed along the long axis direction of the trailer frame assembly 3, and the rest 2 jacking hydraulic cylinders 5 are symmetrically distributed on two sides of the base assembly 2; one end of the stay bar 6 is fixedly connected with the base assembly 2, and the other end of the stay bar 6 is movably connected with the top of the trailer frame assembly 3.
As shown in fig. 12, the base assembly 2 comprises a base 21 movably connected to the trailer frame assembly 3, a connecting block 22 fixedly connected to the upper portion of the side edge of the base 21, a first connecting lug plate 23 fixedly connected to the middle portion of the side edge of the base 21, a second connecting lug plate 24 fixedly connected to the lower portion of the side edge of the base 21, a third connecting lug plate 25 fixedly connected to the middle portion of the tail end of the base 21, and a fourth connecting lug plate 25 fixedly connected to the lower portion of the tail end of the base 21, wherein the first connecting lug plate 23 is further movably connected to the upper portion of the end face of the tail end of the trailer frame assembly 3, the second connecting lug plate 24 is further movably connected to the lower portion of the end face of the tail end of the trailer frame assembly 3, the third connecting lug plate 25 and the fourth connecting lug plate are further movably connected to the forecourt trailer 8, one end of the stay bar 6 is fixedly connected to the connecting block 22.
As shown in FIG. 13, the trailer frame assembly 3 comprises a trailer frame 31 movably connected with a base 21, a transportation tire assembly 32 connected with the trailer frame 31, a connecting frame 33 fixedly connected with the end of the trailer frame 31, a connecting lug plate five 34 fixedly connected with the top of the trailer frame 31, a connecting lug plate six 35 fixedly connected with the top of the trailer frame 31, a connecting lug plate seven 36 fixedly connected with the top of the trailer frame 31, a connecting lug plate eight 37 fixedly connected with the upper part of the tail end of the trailer frame 31 and a connecting lug plate nine 38 fixedly connected with the lower part of the tail end of the trailer frame 31, wherein the transportation tire assembly 32 is connected with two sides of the trailer frame 31, slide rails are arranged on two sides of the trailer frame 31, pin holes are processed on the slide rails, the connecting lug plate six 35 is movably connected with the other end of a stay bar 6, the connecting lug plate seven 36 is movably connected with the bottom of a connecting fastener, the connecting lug plate eight 37 is movably connected with the connecting lug plate one 23, the connecting lug plate nine 38 is movably connected with the, the connecting frame 33 is composed of a frame body and a traction pin, the frame body is fixedly connected with the top end of the trailer frame, the traction pin is movably connected with one end of the traction pull rod 9, and the other end of the traction pull rod 9 is movably connected with the tail part of the tractor 7.
As shown in fig. 14, it is identical to embodiment 1 and will not be described herein.
As shown in fig. 15 to 21, it is identical to embodiment 1 and will not be described herein.
As shown in fig. 21 to 23, it is identical to embodiment 1 and will not be described herein.
Claims (14)
1. The utility model provides a pull-type rig derrick substructure structure, includes the base assembly who is connected with the basis, with base assembly swing joint's derrick assembly, respectively with base assembly and derrick assembly swing joint's trailer frame assembly, its characterized in that still includes:
the connecting fastener is movably connected with the base assembly, the derrick assembly and the trailer frame assembly respectively;
the jacking hydraulic cylinders are fixedly connected with the trailer frame assembly or the base assembly, the number of the jacking hydraulic cylinders is more than or equal to 4, the jacking hydraulic cylinders are uniformly and symmetrically distributed on two sides of the trailer frame assembly or the base assembly, and every two jacking hydraulic cylinders are symmetrically distributed along the long axis direction of the trailer frame;
and one end of the support rod is fixedly connected with the base assembly or the connecting fastener, and the other end of the support rod is movably connected with the top of the trailer frame assembly.
2. The trailed drilling rig mast substructure of claim 1, further comprising:
and the tractor is movably connected with the trailer frame assembly.
3. The trailed drilling rig mast substructure of claim 2, further comprising:
the forecourt trailer is movably connected with the base assembly;
one end of the traction pull rod is movably connected with the tractor, and the other end of the traction pull rod is movably connected with the trailer frame assembly.
4. The trailed drilling rig mast substructure as recited in claim 1, wherein said substructure assembly comprises:
the base is movably connected with the trailer frame;
the connecting block is fixedly connected with the upper part of the side edge of the base, and the connecting block is fixedly connected with the middle part of the connecting fastener;
the first connecting lug plate is fixedly connected with the middle part of the side edge of the base, and is movably connected with the upper part of the end face of the tail end of the trailer frame assembly;
the second connecting lug plate is movably connected with the bottom of the side edge of the base, and the second connecting lug plate is movably connected with the lower part of the end face of the tail end of the trailer frame assembly;
one end of the support rod is fixedly connected with the middle part of the connecting block or the connecting fastener;
the side edge of the base is symmetrical to the other side edge of the base.
5. The trailed drilling rig mast substructure as recited in claim 2, wherein said substructure assembly comprises:
the base is movably connected with the trailer frame;
the connecting block is fixedly connected with the upper part of the side edge of the base, and the connecting block is fixedly connected with the middle part of the connecting fastener;
the first connecting lug plate is fixedly connected with the middle part of the side edge of the base, and is movably connected with the upper part of the end face of the tail end of the trailer frame assembly;
the second connecting lug plate is movably connected with the bottom of the side edge of the base, and the second connecting lug plate is movably connected with the lower part of the end face of the tail end of the trailer frame assembly;
one end of the support rod is fixedly connected with the middle part of the connecting block or the connecting fastener;
the side edge of the base is symmetrical to the other side edge of the base.
6. The trailed drilling rig mast substructure as claimed in claim 3, wherein the substructure assembly comprises:
the base is movably connected with the trailer frame;
the connecting block is fixedly connected with the upper part of the side edge of the base, and the connecting block is fixedly connected with the middle part of the connecting fastener;
the first connecting lug plate is fixedly connected with the middle part of the side edge of the base, and is movably connected with the upper part of the end face of the tail end of the trailer frame assembly;
the second connecting lug plate is movably connected with the bottom of the side edge of the base, and the second connecting lug plate is movably connected with the lower part of the end face of the tail end of the trailer frame assembly;
one end of the support rod is fixedly connected with the middle part of the connecting block or the connecting fastener;
the side edge of the base is symmetrical to the other side edge of the base.
7. The trailed drilling rig mast substructure as claimed in claim 3, wherein the substructure assembly comprises:
the base is movably connected with the trailer frame;
the connecting block is fixedly connected with the upper part of the side edge of the base;
the first connecting lug plate is fixedly connected with the middle part of the side edge of the base, and the first connecting lug plate is movably connected with the tail end of the trailer frame assembly;
the second connecting lug plate is movably connected with the bottom of the side edge of the base, and the second connecting lug plate is movably connected with the tail end of the trailer frame assembly;
the connecting lug plate III is fixedly connected with the middle of the other side edge of the base, and is movably connected with the front end of the forecourt trailer;
the connecting ear plate four is fixedly connected with the lower part of the other side edge of the base, and the connecting ear plate four is movably connected with the front end of the forecourt trailer;
one end of the support rod is fixedly connected with the middle part of the connecting block or the connecting fastener;
the side edge of the base is symmetrical to the other side edge of the base.
8. The structure of any one of claims 4 to 7, wherein the trailer frame assembly comprises:
the trailer frame is movably connected with the base through the first connecting lug plate and the second connecting lug plate, a sliding rail is fixedly connected to the middle of the side edge of the trailer frame, and a pin hole is formed in the sliding rail;
a transport tire assembly connected to the trailer frame;
the connecting frame consists of a frame body and a traction pin, the frame body is fixedly connected with the end part of the trailer frame, and the traction pin is fixedly connected with the bottom of the frame body;
the connecting lug plate V is fixedly connected with the top of the trailer frame;
the connecting lug plate six is fixedly connected with the top of the trailer frame, and the connecting lug plate six is movably connected with the other end of the stay bar;
the connecting lug plate seven is fixedly connected with the top of the tail end of the trailer frame, and is also movably connected with the bottom of the connecting fastener;
the connecting lug plate eight is fixedly connected with the upper part of the tail end of the trailer frame, and is movably connected with the connecting lug plate I;
and the connecting lug plate nine is fixedly connected with the lower part of the tail end of the trailer frame, and is movably connected with the connecting lug plate two.
9. The trailed drilling rig mast substructure as recited in claim 8, wherein said mast assembly comprises:
the derrick is a telescopic derrick and consists of N sections, namely a derrick first section, a derrick second section and a derrick N section, wherein the derrick second section is sleeved in the derrick first section, and the like, and the derrick N section is sleeved in the derrick N-1 section;
the derrick hoisting device is movably connected with the derrick;
one end of the front supporting leg is movably connected with the bottom of the derrick, and the other end of the front supporting leg is movably connected with the top of the base;
one end of the rear supporting leg is fixedly connected with the bottom of the derrick, and the other end of the rear supporting leg is movably connected with the top of the connecting fastener;
one end of the derrick lifting hydraulic cylinder is movably connected with one side edge of the derrick, and the other end of the derrick lifting hydraulic cylinder is movably connected with the connecting lug plate V;
the number of the derrick telescopic locking devices is N-1, and the N-1 derrick telescopic locking devices are respectively and movably connected with the derrick section to the derrick N-1 section;
a racking platform connected with the derrick;
the overhead traveling crane is movably connected with the top of the derrick.
10. The trailed drilling rig mast substructure as recited in claim 9, wherein said mast telescoping lock comprises:
one end of each of the N-1 telescopic hydraulic cylinders is fixedly connected with the outer side of the top from one section of the derrick to the N-section of the derrick;
one end of the adapter plate is movably connected with the other end of the telescopic hydraulic cylinder;
one end of the first connecting rod is movably connected with the middle part of the adapter plate;
one end of the second connecting rod is movably connected with the other end of the adapter plate;
the number of the fixed blocks is more than or equal to 2, the fixed blocks are fixedly connected with the outer side of the derrick, and the first connecting rod and the second connecting rod penetrate through the fixed blocks and are in sliding connection with the fixed blocks
The number of the fixing pins is more than or equal to 2, the fixing pins are symmetrically distributed on two opposite outer side edges of the upper parts of the sections from the derrick section to the derrick N-1 and are movably connected with the sections from the derrick section to the derrick N-1, and fixing pin mounting holes matched with the fixing pins are formed in the outer side edges of the lower part of the derrick section to the outer side edges of the lower part of the derrick N section;
the number of the fixed pin connecting rods is consistent with that of the fixed pins, one end of each fixed pin connecting rod is movably connected with the first connecting rod and the second connecting rod, and the other end of each fixed pin connecting rod is fixedly connected with the fixed pins.
11. The trailed rig mast substructure of claim 10, wherein:
the first connecting rod consists of a first rod piece, a second rod piece and a third rod piece, one end of the first rod piece is movably connected with the middle part of the adapter plate, the other end of the first rod piece is movably connected with one end of the second rod piece, the first rod piece is perpendicular to the second rod piece, the first rod piece is parallel to the ground, the second rod piece is perpendicular to the ground, the other end of the second rod piece is fixedly connected with one end of the third rod piece, and the other end of the third rod piece penetrates through the fixed block and is in sliding connection with the fixed block; the third rod piece is parallel to the ground and is vertical to the first rod piece and the second rod piece;
the connecting rod II comprises a rod member IV, a rod member V and a rod member VI, one end of the rod member IV is movably connected with the other end of the adapter plate, the other end of the rod member IV is movably connected with one end of the rod member V, the rod member IV is perpendicular to the rod member V, the rod member IV is parallel to the ground, the rod member V is perpendicular to the ground, the other end of the rod member V is fixedly connected with one end of the rod member VI, and the other end of the rod member VI penetrates through the fixed block and is in sliding connection with the fixed block; the rod member six is parallel to the ground and is perpendicular to the rod member four and the rod member five.
12. The trailed rig mast substructure of claim 10, wherein: the fixing pin mounting hole is a waist-shaped hole, the upper part of the waist-shaped hole is narrow and the lower part of the waist-shaped hole is wide, and the arc radius of the upper part of the waist-shaped hole is matched with the size of the fixing pin.
13. The trailed drilling rig mast substructure of claim 8, wherein: the transportation tire assembly is composed of M pairs of tire groups and a connecting mechanism, wherein M is more than or equal to 1, the number of the connecting mechanism is matched with that of the tire groups, the M pairs of tire groups are movably connected with the connecting mechanism, the connecting mechanism is provided with connecting holes, the number of the connecting holes is more than or equal to 2, the connecting holes are matched with the pin holes, and the connecting mechanism and the slide rail adopt the following connecting form:
A. in a transportation state, the connecting mechanism is fixedly connected with the slide rail;
B. under the installation and operating condition, coupling mechanism with slide rail swing joint.
14. The trailed drilling rig mast substructure of claim 9, wherein: the connection form of the racking platform and the derrick is any one of the following two forms:
C. the racking platform is fixedly connected with the derrick;
D. the racking platform is retractable, the racking platform is movably connected with the top of the first section of the derrick, and a racking platform retraction hydraulic cylinder is movably connected between the racking platform and the first section of the derrick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976088.9U CN210659920U (en) | 2019-06-27 | 2019-06-27 | Pulling type drilling machine derrick base structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976088.9U CN210659920U (en) | 2019-06-27 | 2019-06-27 | Pulling type drilling machine derrick base structure |
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| CN210659920U true CN210659920U (en) | 2020-06-02 |
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| CN201920976088.9U Active CN210659920U (en) | 2019-06-27 | 2019-06-27 | Pulling type drilling machine derrick base structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185387A (en) * | 2019-06-27 | 2019-08-30 | 四川宏华石油设备有限公司 | A kind of trailer-mounted drill rig derrick base structure |
| CN112780177A (en) * | 2020-12-31 | 2021-05-11 | 中油国家油气钻井装备工程技术研究中心有限公司 | Semi-trailer integrated shifting and transporting non-guy rope petroleum drilling machine and workover rig device |
-
2019
- 2019-06-27 CN CN201920976088.9U patent/CN210659920U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185387A (en) * | 2019-06-27 | 2019-08-30 | 四川宏华石油设备有限公司 | A kind of trailer-mounted drill rig derrick base structure |
| CN110185387B (en) * | 2019-06-27 | 2024-06-07 | 四川宏华石油设备有限公司 | Pulling type drilling machine derrick base structure |
| CN112780177A (en) * | 2020-12-31 | 2021-05-11 | 中油国家油气钻井装备工程技术研究中心有限公司 | Semi-trailer integrated shifting and transporting non-guy rope petroleum drilling machine and workover rig device |
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