CN111322020A - Roller, semitrailer and vehicle-mounted coiled tubing drilling equipment - Google Patents

Roller, semitrailer and vehicle-mounted coiled tubing drilling equipment Download PDF

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Publication number
CN111322020A
CN111322020A CN202010273104.5A CN202010273104A CN111322020A CN 111322020 A CN111322020 A CN 111322020A CN 202010273104 A CN202010273104 A CN 202010273104A CN 111322020 A CN111322020 A CN 111322020A
Authority
CN
China
Prior art keywords
coiled tubing
vehicular
tubing drilling
frame
injection head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010273104.5A
Other languages
Chinese (zh)
Inventor
贺会群
熊革
杨高
刘寿军
张士彬
康树国
张富强
宋治国
杨志敏
刘仁敏
汪富华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
CNPC Engineering Technology R&D Co Ltd
CNPC Jianghan Machinery Research Institute Co Ltd
Original Assignee
China National Petroleum Corp
CNPC Engineering Technology R&D Co Ltd
CNPC Jianghan Machinery Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Petroleum Corp, CNPC Engineering Technology R&D Co Ltd, CNPC Jianghan Machinery Research Institute Co Ltd filed Critical China National Petroleum Corp
Priority to CN202010273104.5A priority Critical patent/CN111322020A/en
Publication of CN111322020A publication Critical patent/CN111322020A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/22Handling reeled pipe or rod units, e.g. flexible drilling pipes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D53/00Tractor-trailer combinations; Road trains
    • B62D53/04Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
    • B62D53/06Semi-trailers
    • B62D53/061Semi-trailers of flat bed or low loader type or fitted with swan necks
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/12Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling

Abstract

The invention provides a roller, a semitrailer and vehicle-mounted coiled tubing drilling equipment, wherein the roller comprises a rotating shaft, a hub and a rim, the hub is sleeved outside the rotating shaft, a manifold is arranged in the hub, the rotating shaft is connected with a sliding ring, and the sliding ring is connected with the manifold through a first cable; the rim is the annular structure that encloses by a plurality of wheel lamellas, and the rim cup joints in wheel hub's outside edge, and wheel hub's both sides edge has all cup jointed the rim to increase wheel hub's diameter. The invention can meet the transportation requirement of the large-diameter and large-length continuous pipe, solves the problems of superwidth and superheight of the existing roller transportation, and is suitable for performing sidetracking operation in areas with limited well site area.

Description

Roller, semitrailer and vehicle-mounted coiled tubing drilling equipment
Technical Field
The invention relates to the technical field of drilling equipment, in particular to a roller, a semi-trailer provided with the roller and vehicle-mounted coiled tubing drilling equipment comprising the semi-trailer.
Background
Many oil and gas fields at home and abroad enter the middle and later periods of exploitation, residual oil near an original well hole cannot be exploited due to engineering factors such as casing damage and overhaul or geological factors of an oil-water well, residual oil and gas can be effectively excavated through side drilling of an old well, the investment cost is reduced, and the recovery ratio is improved. In order to improve the economic benefit of the lateral drilling of the old well, people urgently need to find a more economic and efficient old well heavy drilling technology.
The coiled tubing drilling technology is one of hot drilling technologies which are vigorously researched and developed in recent years, and is suitable for multiple fields such as slim-hole drilling, directional drilling, horizontal well drilling, old well sidetracking and the like. The method for sidetracking the horizontal well of the old well by using the coiled tubing can obviously save the drilling cost, and is a reliable, safe and economic effective method for sidetracking the existing old well.
Disclosure of Invention
One purpose of the invention is to provide a roller which can meet the transportation requirements of continuous pipes with large pipe diameter and large length (the pipe diameter is 17mm to 100mm, and the length is 2500m-3000 m).
Another object of the present invention is to provide a semitrailer with a strong carrying capacity and equipped with the above rollers, which can solve the problems of the existing roller transportation, such as ultra-wide and ultra-high.
Still another object of the present invention is to provide a vehicle-mounted coiled tubing drilling equipment which comprises the above semi-trailer and can be flexibly arranged for various drilling devices, and is suitable for different road conditions.
To achieve the above object, the present invention provides a drum comprising:
a rotating shaft;
the hub is sleeved outside the rotating shaft, a manifold is arranged in the hub, the rotating shaft is connected with a slip ring, and the slip ring is connected with the manifold through a first cable;
the wheel rim is of an annular structure formed by a plurality of wheel petals in a surrounding mode, the wheel rim is sleeved on the outer edge of the wheel hub, and the wheel rim is sleeved on the two side edges of the wheel hub to increase the diameter of the wheel hub.
The drum as described above, wherein the first cable is connected to the manifold by a ferrule type fitting.
The roller is characterized in that the outer peripheral surface of the hub is provided with a limiting groove, the inner surface of the wheel disc is provided with a limiting convex edge, and the limiting convex edge can be matched with the limiting groove in a clamping manner.
The roller as described above, wherein a first bolt passes through the lobe and is screwed with the outer circumferential surface of the hub. .
In the roller as described above, a second bolt penetrates through the side walls of two adjacent lobes to connect the two adjacent lobes.
The present invention also provides a semitrailer, comprising:
the frame is a frame structure formed by connecting a plurality of double-web box beams, and the top surface of the frame is provided with the roller;
an axle connected to a bottom surface of the frame at a position corresponding to a rear side of the frame;
a towing pin connected to a bottom surface of the frame corresponding to a position of a front side of the frame;
the supporting legs are connected to the bottom surface of the frame in a telescopic mode and located between the axle and the traction pin.
The semitrailer as described above, wherein said rollers are coupled to said frame by a container lock.
The semitrailer as described above, wherein the frame is stepped such that the front side is higher than the rear side, and the roller is connected to the frame in a sinking manner.
The invention also provides vehicle-mounted coiled tubing drilling equipment, which comprises:
the semitrailer comprises a semitrailer and a tractor, wherein the tractor is connected with a traction pin of the semitrailer;
the auxiliary vehicle is provided with a drill floor and an injection head, and the injection head can be arranged on the drill floor;
and a first end of the continuous pipe is wound on the roller of the semitrailer, and a second end of the continuous pipe can be inserted into the injection head.
The onboard coiled tubing drilling apparatus as described above, wherein the injector head comprises:
the box body is internally connected with two groups of symmetrical chain transmission mechanisms which are arranged at intervals, and a chain of each chain transmission mechanism is connected with a plurality of clamping blocks;
the clamping device comprises a plurality of hydraulic cylinders and two push plates, the two push plates are respectively positioned inside the two chain transmission mechanisms, the hydraulic cylinders are hung on the box body, and piston rods of the hydraulic cylinders are connected with the two push plates.
The vehicular coiled tubing drilling apparatus as described above, wherein the chain is connected to the gripping block by a bracket.
As above on-vehicle coiled tubing drilling equipment, wherein, one side of bracket is connected with the jump ring, the opposite side of bracket is connected with the stopper, one side of grip block be equipped with can with jump ring joint complex draw-in groove, the opposite side of grip block be equipped with can with stopper joint complex spacing groove.
The vehicular coiled tubing drilling rig as described above, wherein the injector head interfaces with the auxiliary vehicle through a hydraulic inversion bracket.
The vehicle-mounted coiled tubing drilling equipment comprises a base, wherein a guide is connected to the upper end of the injection head, and a blowout preventer is connected to the lower end of the injection head.
The vehicular coiled tubing drilling apparatus described above, wherein the guide is interfaced with the injector head by a slide.
The vehicular coiled tubing drilling apparatus described above, wherein the slide comprises:
the body is movably connected to the upper end of the injection head, and the guider is rotatably connected to the body;
and the first end of the adjusting screw rod is connected with the body, an adjusting nut is screwed on the adjusting screw rod and is connected with the injection head.
The vehicle-mounted coiled tubing drilling equipment is characterized in that the adjusting screw is further screwed with two locking nuts, and the two locking nuts are respectively positioned on two sides of the adjusting nut.
The vehicle-mounted coiled tubing drilling equipment comprises an upper base, a lower base and a plurality of first self-locking lifting hydraulic cylinders connected between the upper base and the lower base.
The vehicle-mounted coiled tubing drilling equipment comprises an upper base, a lower base and a plurality of second self-locking lifting hydraulic cylinders, wherein the upper base is provided with a mounting seat used for connecting an injection head, and the mounting seat comprises an upper connecting seat, a lower connecting seat and a plurality of second self-locking lifting hydraulic cylinders connected between the upper connecting seat and the lower connecting seat.
The vehicular coiled tubing drilling equipment as described above, wherein a guard rail is connected to an edge of the upper base.
The vehicle-mounted coiled tubing drilling equipment as described above, wherein a working ladder is connected to one side of the drill floor.
The vehicle-mounted coiled tubing drilling equipment comprises a semi-trailer, a control room, a hose roller, a blowout preventer and a control device, wherein the control room and the hose roller are mounted on the semi-trailer and are located on the front side and the rear side of the roller, and the side face of the hose roller is connected with the blowout preventer.
The vehicle-mounted coiled tubing drilling equipment is characterized in that a power system is further mounted on the semitrailer, and the power system is located in front of the control room.
The vehicular coiled tubing drilling equipment as described above, wherein a cable or an optical fiber is disposed within the coiled tubing.
Compared with the prior art, the invention has the following advantages:
according to the roller, the flange of the split structure is sleeved outside the hub, so that the winding capacity of the roller is increased, the transportation requirement of a continuous pipe with a large diameter and a large length (the pipe diameter is 17 mm-100 mm, and the length is 2500m-3000m) can be met, and the automatic control of the roller can be realized by arranging a manifold in the hub and connecting the manifold with the sliding ring;
according to the semi-trailer, the frame is made of the double-web box girder, so that the frame is more reliable in structure and strong in bearing capacity, the roller can be installed on the semi-trailer in a sinking mode, the winding pipe capacity of the roller is further increased, and the problems of ultra-wide and ultra-high transportation of the existing roller and the like are solved.
The vehicle-mounted continuous pipe drilling equipment has compact equipment arrangement and small occupied area, and is suitable for performing sidetracking operation in areas with limited well site areas; the drill floor and the mounting seat arranged on the drill floor ensure that the injection head can be conveniently and quickly mounted and operated when the continuous pipe is drilled; the cable or the optical fiber is preset in the continuous pipe, so that the logging data can be effectively transmitted in real time, and real-time drilling parameters such as underground drilling pressure, torque, annular control pressure and the like can be monitored in real time.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic view of the construction of the drum of the present invention;
FIG. 2 is a schematic view of the structure of the lobes in the drum;
FIG. 3 is a partial structural view of the slip ring installed in the drum;
FIG. 4 is a cross-sectional view of the hub and rim interface of the drum;
FIG. 5 is a schematic structural view of the semitrailer of the present invention after removal of the rollers;
fig. 6 is a schematic top view of the semitrailer illustrated in fig. 5;
FIG. 7 is a schematic structural view of the vehicular coiled tubing drilling rig of the present invention;
FIG. 8 is a schematic diagram of the structure of the main tractor in the vehicular coiled tubing rig;
FIG. 9 is a schematic diagram of the construction of an auxiliary vehicle in the vehicle-mounted coiled tubing drilling rig;
figure 10 is a schematic view of the structure of the injector head;
figure 11 is a schematic view of the structure of the clamping means in the injector head;
FIG. 12 is a schematic view of a connection structure of the clamping block and the bracket;
figure 13 is a schematic view of the configuration of the injector head interfacing with the guide;
FIG. 14 is a schematic view of the structure of the carriage;
FIG. 15 is a schematic diagram of the construction of the drill floor;
FIG. 16 is a side view schematic of the drill floor of FIG. 15.
The reference numbers illustrate:
100. a main vehicle;
110. a tractor;
120. a semi-trailer; 121. a frame; 1211. a dual web box beam; 122. an axle; 123. a tow pin; 124. a support leg; 125. a container lock;
130. a drum;
131. a rotating shaft;
132. a hub; 1321. a manifold; 1322. a limiting groove;
133. a rim; 1331. a wheel lobe; 13311. a limiting convex rib; 13312. a side wall;
134. a first bolt; 135. a second bolt; 136. a slip ring; 137. a first cable; 138. a ferrule type joint;
140. a control room;
150. a hose drum;
160. a blowout preventer;
170. a power system;
200. auxiliary vehicle;
300. a drill floor;
310. an upper base; 311. protecting the fence;
320. a lower base;
330. a first self-locking lifting hydraulic cylinder;
340. a mounting seat; 341. an upper connecting seat; 342. a lower connecting seat; 343. a second self-locking lifting hydraulic cylinder;
350. a working ladder;
400. an injection head;
410. a box body; 411. a chain; 412. a clamping block; 4121. a circular arc clamping surface; 413. a bracket; 4131. a clamp spring; 4132. a limiting block;
420. a clamping device; 421. a hydraulic cylinder; 4211. a piston rod; 422. pushing the plate;
430. a hydraulic overturning bracket;
440. a guide; 441. a lower support bar;
450. a blowout prevention box;
460. a slide base; 461. a body; 4611. a first pin shaft; 4612. a second pin shaft; 462. adjusting the screw rod; 463. adjusting the nut; 464. locking the nut; 465. a third pin shaft;
500. a continuous tube.
Detailed Description
In order to clearly understand the technical solution, the purpose and the effect of the present invention, a detailed description of the present invention will be described with reference to the accompanying drawings. Where adjective or adverbial modifiers "upper" and "lower", "front" and "back", "top" and "bottom", "inner" and "outer" are used merely to facilitate relative reference between groups of terms, and do not describe any particular directional limitation on the modified terms. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 and 2, the present invention provides a drum 130 for winding a continuous tube 500, the drum 130 including a rotating shaft 131, a hub 132, and a rim 133, wherein:
the hub 132 is sleeved outside the rotating shaft 131, and the specific connection mode between the hub 132 and the rotating shaft 131 is the prior art and is not described herein again;
the rim 133 is an annular structure surrounded by a plurality of wheel petals 1331, namely the wheel petals 1331 are arc-shaped structures, the rim 133 is a split structure, the wheel petals 1331 are sequentially connected to form a circular ring structure, the rim 133 is sleeved on the outer edge of the hub 132, the rim 133 is sleeved on the two side edges of the hub 132 to increase the diameter of the hub 132, specifically, the hub 132 has an accommodating space for accommodating the continuous tube 500 along the circumferential direction, the edges of the two ends of the hub 132 are connected with the rim 133, and after the rim 133 increases the diameter of the hub 132, the depth of the accommodating space can be increased, so that the tube winding capacity of the drum 130 is increased.
According to the roller 130, the flange 133 with the split structure is sleeved outside the hub 132, so that the winding capacity of the roller 130 is increased, a continuous pipe with the pipe diameter of 17mm to 100mm can be wound by about 2500m to 3000m, and the transportation requirement of a continuous pipe 500 with a large pipe diameter and a large length can be met.
Further, as shown in fig. 1 and 2, a first bolt 134 penetrates through the lobe 1331 and is screwed with the outer circumferential surface of the hub 132, that is, the lobe 1331 is connected with the hub 132 through the first bolt 134, and a second bolt 135 penetrates through the side wall 13312 of the adjacent lobe 1331 to connect the adjacent lobe 1331, that is, the adjacent lobe 1331 is connected through the second bolt 135, such connection is simple and convenient, which not only facilitates the assembly of the rim 133, but also facilitates the assembly and disassembly between the rim 133 and the hub 132.
As shown in fig. 3, in a specific example of this embodiment, a manifold 1321 is disposed in the hub 132 so as to be connected to other components, a specific structure of the manifold 1321 is the prior art, which is not described herein any more, the rotating shaft 131 is connected to the slip ring 136, a specific structure of the slip ring 136 is the prior art, which is not described herein any more, specifically, the slip ring 136 is an electrical slip ring, the slip ring 136 is connected to the rotating shaft 131 through a bolt, a rotor of the slip ring 136 is connected to the manifold 1321 through the first cable 137, and a stator of the slip ring 136 may be directly connected to the control device through a cable, so as to transmit a signal to the manifold 1321, thereby implementing automatic control on the drum 130.
Further, the first cable 137 is connected to the manifold 1321 through the ferrule type joint 138 to ensure the sealing property of the connection between the first cable 137 and the manifold 1321, and the specific structure of the ferrule type joint 138 is the prior art and will not be described herein again.
As shown in fig. 4, in a specific example of this embodiment, a limiting groove 1322 is formed on an outer circumferential surface of the hub 132, a limiting convex rib 13311 is formed on an inner surface of the wheel flap 1331, the limiting convex rib 13311 can be engaged with the limiting groove 1322, when the hub 132 and the wheel rim 133 are assembled, the limiting convex rib 13311 is first clamped into the limiting groove 1322, the limiting convex rib 13311 must follow a track path to travel after entering the limiting groove 1322, so that automatic centering is achieved, and then the first bolt 134 is connected to the hub 132, so that the wheel rim is quickly disassembled and assembled, and the purpose of being not easy to deform is achieved.
As shown in fig. 4, the cross section of the limiting groove 1322 is trapezoidal, the cross section of the limiting convex rib 13311 is trapezoidal which is matched with the shape of the limiting groove 1322, or the cross section of the limiting groove 1322 is rectangular, the cross section of the limiting convex rib 13311 is rectangular which is matched with the shape of the limiting groove 1322, or the cross section of the limiting groove 1322 is arc-shaped, and the cross section of the limiting convex rib 13311 is arc-shaped which is matched with the shape of the limiting groove 1322.
As shown in fig. 5, 6 and 8, the present invention also provides a semitrailer 120 comprising a frame 121, an axle 122, a kingpin 123 and legs 124, wherein;
the frame 121 is a frame structure formed by connecting a plurality of double-web box beams 1211, the double-web box beams 1211 are web plates of the box beams and adopt a double-plate structure, the structure is the prior art, details are not repeated herein, the strength and rigidity of the double-web box beams 1211 are high, the bearing capacity is strong, holes can be arranged on the web plates to facilitate the arrangement of pipelines (such as hydraulic drive pipelines), specifically, the plurality of double-web box beams 1211 are connected by welding to form the frame 121, so that the structure of the frame 121 is more reliable, the roller 130 is mounted on the top surface of the frame 121 to facilitate the transportation of the roller 130, and the roller 130 can rotate relative to the frame 121 to facilitate the transportation of the continuous pipe 500;
the axle 122 is connected to the bottom surface of the frame 121 at a position corresponding to the rear side of the frame 121 to better bear the load of the semitrailer 120;
the towing pin 123 is coupled to a bottom surface of the frame 121 at a position corresponding to a front side of the frame 121 so as to facilitate the coupling of the semitrailer 120 with the towing vehicle 110;
landing leg 124 can be the telescopic bottom surface that is connected to frame 121, and landing leg 124 is located between axle 122 and towing pin 123, and is specific, and landing leg 124 is hydraulic leg 124, and landing leg 124 stretches out and the butt on subaerial, can improve the stability of semitrailer 120 when the parking, and landing leg 124 retracts, can not influence semitrailer 120's normal operating.
The semitrailer 120 of the present invention uses the double-web box beam 1211 to form the frame 121, so that the frame 121 has a more reliable structure and a strong bearing capacity, and in addition, the semitrailer 120 is provided with the roller 130, so that the semitrailer 120 can also meet the transportation requirements of the large-diameter and large-length continuous pipe 500.
Further, the roller 130 is connected to the frame 121 through the container lock 125, the specific structure of the container lock 125 is the prior art, and the detailed description is omitted here, and the container lock 125 can ensure the stability of the roller 130 connected to the semitrailer 120, so as to ensure the stability of the roller 130 during transportation.
Further, the frame 121 is a ladder-shaped structure with the front side higher than the rear side, the roller 130 is connected to the rear side of the frame 121 in a sinking manner, namely the roller 130 can be installed on the semi-trailer 120 in a sinking manner, so that the situation that the roller 130 cannot wind the full continuous pipe 500 due to the fact that a rotating gap needs to be reserved between the outer peripheral surface of the roller 130 and the semi-trailer 120 is avoided, the situation that the roller 130 cannot wind the full continuous pipe 500 is caused, the full continuous pipe 500 can be wound in the accommodating space of the roller 130, the winding capacity of the roller 130 is further increased, and the problems that the existing roller 130 is ultra-wide.
As shown in fig. 7, 8 and 9, the present invention also provides a vehicle-mounted coiled tubing drilling rig comprising a primary vehicle 100, a secondary vehicle 200 and a coiled tubing 500, wherein:
the main tractor 100 comprises a tractor 110 and the semi-trailer 120, wherein the tractor 110 is connected with a traction pin 123 of the semi-trailer 120, and the tractor 110 can drive the semi-trailer 120 to move;
the auxiliary vehicle 200 is provided with the drill and the injection head 400, specifically, the injection head 400 is arranged at the end of the auxiliary vehicle 200 close to the cab, the drill floor 300 is arranged at the tail of the auxiliary vehicle 200, the injection head 400 can provide power for the continuous pipe 500 to enter or exit the well, when in use, the injection head 400 can be arranged on the drill floor 300, and the drill floor 300 can support the injection head 400, so that the injection head 400 can be stably placed beside the well;
a first end of the coiled tubing 500 is wound around the drum 130 of the semitrailer 120 and a second end of the coiled tubing 500 is inserted into the injection head 400 to enable the coiled tubing 500 to enter the well through the injection head 400.
The vehicle-mounted coiled tubing drilling equipment provided by the invention has the advantages that the main vehicle 100 and the auxiliary vehicle 200 are arranged, so that various drilling equipment can be flexibly arranged, the transportation of various drilling equipment is facilitated, and the vehicle-mounted coiled tubing drilling equipment is suitable for different road conditions.
Further, as shown in fig. 9, the semitrailer 120 is provided with a control room 140 and hose rollers 150, and the control room 140 and the hose rollers 150 are located at front and rear sides of the rollers 130, wherein, the specific structures of the control room 140 and the hose drum 150 are the prior art, and are not repeated herein, the control room 140 is provided with a console, a drilling parameter comprehensive acquisition system, a video monitoring system, and a heating and refrigerating system, the specific structures and installation manners of the console, the drilling parameter comprehensive acquisition system, the video monitoring system, and the heating and refrigerating system are the prior art, and will not be described in detail herein, a blowout preventer 160 is connected to a side of the hose drum 150, the blowout preventer 160 is a four ram blowout preventer, the sliding ring 136 of the roller 130 is electrically connected with the control chamber 140, so that the control chamber 140 can control the action of the roller 130.
Still further, as shown in fig. 9, a power system 170 is further installed on the semi-trailer 120, the power system 170 is located in front of the control room 140, specifically, the power system 170 is composed of a diesel engine, a transfer case, a coupling and a hydraulic pump, and the transfer case and the diesel engine are connected through the coupling to convert the mechanical power of the diesel engine into hydraulic pressure, wherein the specific structures of the diesel engine, the transfer case, the coupling and the hydraulic pump are the prior art, and are not described herein again, and the power system 170 can be detached from the semi-trailer 120 when in use.
Further, a cable or an optical fiber is arranged in the coiled tubing 500, so as to transmit logging data in real time and monitor drilling parameters such as downhole drilling pressure, torque and annular control pressure in real time.
In a specific example of this embodiment, as shown in fig. 10, the injector head 400 includes a housing 410 and a clamp 420, wherein:
the box body 410 is of a frame structure, two groups of chain transmission mechanisms which are symmetrically arranged at intervals are connected in the box body 410, each chain transmission mechanism comprises a driving chain wheel, a driven chain wheel and a chain 411, the chain 411 can transmit the power of the driving chain wheel to the driven chain wheel, and the chain 411 of each chain transmission mechanism is connected with a plurality of clamping blocks 412, as shown in fig. 12, the opposite surfaces of the two corresponding clamping blocks 412 on the two chains 411 are arc clamping surfaces 4121 matched with the continuous pipe 500, so that the two corresponding clamping blocks 412 on the two chains 411 can stably clamp the continuous pipe 500;
as shown in fig. 11, the clamping device 420 includes a plurality of hydraulic cylinders 421 and two push plates 422, the two push plates 422 are respectively located inside the two chain transmission mechanisms, that is, the two push plates 422 are respectively located inside the two chains 411, the hydraulic cylinders 421 are suspended on the box 410, and the plurality of hydraulic cylinders 421 are arranged at intervals from top to bottom, the piston rods 4211 of the hydraulic cylinders 421 are connected to the two push plates 422, that is, the piston rods 4211 of the hydraulic cylinders 421 penetrate the two push plates 422, and the extension and retraction of the piston rods 4211 can drive the push plates 422 to move, specifically, as shown in fig. 10, the piston rods 4211 of the hydraulic cylinders 421 are controlled to retract, the piston rods 4211 drive the push plates 422 on the left side in fig. 10 to move toward the cylinder barrel, the movement of the push plates 422 on the left side can touch the clamping blocks 412 on the chain 411 on the left side and drive the clamping blocks 412 to move until the clamping blocks, and because the hydraulic cylinder 421 is hung on the box body 410, the hydraulic cylinder 421 can move to the left side as a whole, the movement of the hydraulic cylinder 421 drives the push plate 422 on the right side to move to the left, the push plate 422 on the right side moves to move the clamping block 412 on the chain 411 on the right side until the coiled tubing 500 is touched, and the coiled tubing 500 is in a clamping state, namely the coiled tubing 500 is clamped by the floating centering technology of the clamping device 420, so that when the injection head 400 clamps the coiled tubing 500, the coiled tubing 500 is prevented from being damaged due to uneven clamping force, the effect of clamping the coiled tubing 500 is improved, and the centering of the coiled tubing 500 can be ensured.
Further, as shown in fig. 12, the chain 411 is connected to the holding block 412 via the bracket 413, and the bracket 413 is provided to facilitate connection between the holding block 412 and the chain 411.
Further, as shown in fig. 12, one side of the bracket 413 is connected with a snap spring 4131, the other side of the bracket 413 is connected with a limit block 4132, specifically, the snap spring 4131 and the limit block 4132 are arranged at intervals and symmetrically, the snap spring 4131 is a U-shaped snap spring 4131, one side of the clamping block 412 is provided with a clamping groove capable of being in clamping fit with the snap spring 4131, the other side of the clamping block 412 is provided with a limit groove capable of being in clamping fit with the limit block 4132, when in assembly, the clamp spring 4131 is clamped into the clamping groove, the limit block 4132 is clamped into the clamping groove, the clamping fit of the limiting block 4132 and the limiting groove can limit the left and right movement of the clamping block 412, the clamping spring 4131 is matched with the clamping groove in a clamping way, so that the up-and-down movement distance of the clamping block 412 relative to the bracket 413 is limited, thus, the clamping block 412 can be freely and finely adjusted according to the position of the coiled tubing 500, the concentricity of the arc clamping surface 4121 of the clamping block 412 and the coiled tubing 500 is ensured, and the clamping damage of the coiled tubing 500 by the clamping block 412 is effectively avoided.
Further, as shown in fig. 9, the injection head 400 is connected to the auxiliary vehicle 200 through a hydraulic tilting bracket 430, and the injection head 400 is turned from a slant direction to a vertical direction by a hydraulic cylinder 421 on the hydraulic tilting bracket 430 during drilling, so that the injection head 400 can be conveniently mounted.
Further, as shown in fig. 7, the upper end of the injector head 400 is connected with a guide 440, and the lower end of the injector head 400 is connected with a blowout preventer 450, so that the injector head is not disassembled during transportation, and the assembling and disassembling time is reduced.
In a specific example of this embodiment, as shown in fig. 13, the guide 440 is connected to the injector head 400 via a slide 460, and the slide 460 is disposed so that the connection between the guide 440 and the injector head 400 is more convenient and reliable.
Further, as shown in fig. 13 and 14, the slider 460 includes a body 461 and an adjusting screw 462, wherein:
the body 461 is movably connected to the upper end of the injector 400, and specifically, during installation, the sliding base 460 is firstly penetrated out from the upper end of the box body 410 of the injector 400, the bottom plate of the body 461 is tightly attached to the box girder of the box body 410, and then the body 461 passes through the sliding block and the inner mounting hole of the sliding base 460 through the first pin 4611 to be fixed on the box body 410 of the injector 400;
the guide 440 is rotatably connected to the body 461, and specifically, the lower end of the guide 440 is connected to the body 461 through the second pin 4612, so that the guide 440 can rotate along the first pin 4611, the lower support rod 441 of the guide 440 is rotated to the side beam of the case 410 of the injection head 400, and is connected to the side beam through the third pin 465, so that the guide 440 is completely fixed, which is simple and convenient;
the first end of the adjusting screw 462 is connected with the body 461, the second end of the adjusting screw 462 extends along the transverse direction of the body 461, the adjusting nut 463 is screwed on the adjusting screw 462, the adjusting nut 463 is connected with the injection head 400, when the guider 440 is not centered, the front end of the adjusting screw 462 is screwed by a special wrench, the sliding seat 460 slides transversely on the upper end of the box body 410 through the screwing and matching of the adjusting screw 462 and the adjusting nut 463, thereby adjusting the transverse position of the guider 440, and ensuring that the continuous pipe 500 enters the clamping device 420 along the centers of the two chains 411 of the injection head 400.
Still further, as shown in fig. 13 and 14, two locking nuts 464 are further screwed on the adjusting screw 462, the two locking nuts 464 are respectively located at two sides of the adjusting nut 463, one of the two locking nuts 464 is used for ensuring the reliability of the connection between the adjusting screw 462 and the body 461, and the other one of the two locking nuts 464 is used for preventing the adjusting nut 463 from loosening.
In a specific example of the embodiment, as shown in fig. 15, the drill floor 300 includes an upper base 310, a lower base 320 and a plurality of first self-locking lifting hydraulic cylinders 330 connected between the upper base 310 and the lower base 320, specifically, the drill floor 300 has four first self-locking lifting hydraulic cylinders 330 respectively located at four corners of the upper base 310 and the lower base 320, of course, three, five, six or more first self-locking lifting hydraulic cylinders 330 may also be provided according to actual use requirements, the distance between the upper base 310 and the lower base 320 is adjusted by the first self-locking lifting hydraulic cylinders 330 to adapt to well heads of various heights, and the first self-locking lifting hydraulic cylinders 330 may be mechanically locked after being adjusted in place to ensure the stability of placing the drill bit.
Wherein, the upper base 310 is paved with a mesh plate to provide an operation platform for the installation and other operations of the injector head 400.
Further, the upper base 310 is provided with a mounting seat 340 for connecting the injection head 400, the mounting seat 340 includes an upper connecting seat 341, a lower connecting seat 342, and a plurality of second self-locking lifting cylinders 343 connected between the upper connecting seat 341 and the lower connecting seat 342, specifically, the mounting seat 340 has four second self-locking lifting cylinders 343, of course, three, five, six or more second self-locking lifting cylinders 343 may also be provided according to the actual use requirement, the distance between the upper connecting seat 341 and the lower connecting seat 342 is adjusted by the second self-locking lifting cylinders 343 to butt the coiled tubing 500 and the downhole tool, as well as the blowout preventer 450 and the blowout preventer 160, and the second self-locking lifting cylinders 343 may be mechanically locked after the injection head 400 is lifted in place to ensure the stability of placing the injection head 400.
Still further, the edge of the upper base 310 is connected with a guard rail 311 to improve the safety of operation, and specifically, the guard rail 311 can be rotatably connected with the upper base 310 and be turned down for transportation.
Further, as shown in fig. 16, a working ladder 350 is connected to one side of the drill floor 300 to facilitate a worker to get on and off the drill floor 300, and specifically, the working ladder 350 is retractable, and an upper end of the working ladder 350 is connected to the upper base 310.
The working process of the vehicle-mounted coiled tubing drilling equipment is specifically described in the following with reference to the attached drawings:
as shown in fig. 7, firstly, the blowout preventer 160 is hoisted to the wellhead from the primary truck 100, connected with a wellhead device, a blowout preventer pipe and a mud guide pipe with a certain length are installed at the upper part of the blowout preventer 160 according to the drilling requirement, then the drill floor 300 on the secondary truck 200 is hoisted to a proper drilling position after being lifted to the right position (the position of the blowout preventer pipe is higher than the drill floor 3000.5m or so), and the bottom hole assembly is lowered into the wellbore and is hung on the blowout preventer pipe through a safety slip; then, the injection head 400 on the auxiliary vehicle 200 is lifted to the rear part of the main vehicle 100, a pipeline on the hose drum 150 is connected with a quick connection panel on the injection head 400, after connection, the continuous pipe 500 on the drum 130 passes through the guider 440 and the injection head 400 until the pipeline completely passes through the blowout prevention box 450, the injection head 400 is lifted to be vertical from an inclined state by controlling a telescopic hydraulic cylinder of the hydraulic overturning bracket 430, the injection head 400, the guider 440 and the blowout prevention box 450 are lifted together by a crane, a continuous pipe connector is installed at the tail end of the continuous pipe 500 after the continuous pipe connector is lifted to a certain height, the injection head 400 is lifted and installed on the installation seat 340 integrally by the crane, the continuous pipe 500 is operated downwards by the injection head 400, and the connector and the bottom drilling tool combination are aligned to be connected and a safety slip is removed; coupling the lubricator cartridge 450 to the lubricator by lowering the height of the injector head 400 mount 340; after installation, coiled tubing 500 drilling operations are performed in the control room 140, downhole related data is collected by the drilling parameter collection system, and related drilling parameters are adjusted as needed.
In conclusion, the roller increases the winding capacity of the roller by sleeving the wheel rim of the split structure outside the hub, so that the transportation requirement of a large-diameter and large-length continuous pipe can be met, and the automatic control of the roller can be realized by arranging the manifold in the hub and connecting the manifold with the sliding ring;
according to the semi-trailer, the frame is made of the double-web box girder, so that the frame is more reliable in structure and strong in bearing capacity, the roller can be installed on the semi-trailer in a sinking mode, the winding pipe capacity of the roller is further increased, and the problems of ultra-wide and ultra-high transportation of the existing roller and the like are solved.
The vehicle-mounted continuous pipe drilling equipment has compact equipment arrangement and small occupied area, and is suitable for performing sidetracking operation in areas with limited well site areas; the drill floor and the mounting seat arranged on the drill floor ensure that the injection head can be conveniently and quickly mounted and operated when the continuous pipe is drilled; the cable or the optical fiber is preset in the continuous pipe, so that the logging data can be effectively transmitted in real time, and real-time drilling parameters such as underground drilling pressure, torque, annular control pressure and the like can be monitored in real time.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention. It should be noted that the components of the present invention are not limited to the above-mentioned whole application, and various technical features described in the present specification can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention.

Claims (24)

1. A drum, characterized in that the drum comprises:
a rotating shaft;
the hub is sleeved outside the rotating shaft, a manifold is arranged in the hub, the rotating shaft is connected with a slip ring, and the slip ring is connected with the manifold through a first cable;
the wheel rim is of an annular structure formed by a plurality of wheel petals in a surrounding mode, the wheel rim is sleeved on the outer edge of the wheel hub, and the wheel rim is sleeved on the two side edges of the wheel hub to increase the diameter of the wheel hub.
2. The drum as claimed in claim 1,
the first cable is connected with the manifold through a ferrule type joint.
3. The drum as claimed in claim 1,
the outer peripheral face of the hub is provided with a limiting groove, the inner surface of the wheel clack is provided with a limiting convex edge, and the limiting convex edge can be matched with the limiting groove in a clamping mode.
4. The drum as claimed in claim 3,
a first bolt penetrates through the wheel disc and is screwed with the outer peripheral surface of the wheel hub.
5. The drum as claimed in claim 1,
and a second bolt penetrates through the side walls of two adjacent wheel petals to connect the two adjacent wheel petals.
6. A semitrailer, characterised in that it comprises;
a frame which is a frame structure formed by connecting a plurality of double-web box beams, wherein the top surface of the frame is provided with the roller as claimed in any one of claims 1 to 5;
an axle connected to a bottom surface of the frame at a position corresponding to a rear side of the frame;
a towing pin connected to a bottom surface of the frame corresponding to a position of a front side of the frame;
the supporting legs are connected to the bottom surface of the frame in a telescopic mode and located between the axle and the traction pin.
7. A semitrailer according to claim 6,
the roller is connected to the frame through a container lock.
8. A semitrailer according to claim 6,
the frame is in a ladder shape with the front side higher than the rear side, and the roller is connected to the frame in a sinking mode.
9. An on-board coiled tubing drilling apparatus, comprising:
a main vehicle comprising a tractor and a semitrailer according to any one of claims 6 to 8, said tractor being coupled to a towing pin of said semitrailer;
the auxiliary vehicle is provided with a drill floor and an injection head, and the injection head can be arranged on the drill floor;
and a first end of the continuous pipe is wound on the roller of the semitrailer, and a second end of the continuous pipe can be inserted into the injection head.
10. The vehicular coiled tubing drilling apparatus of claim 9,
the injection head comprises:
the box body is internally connected with two groups of symmetrical chain transmission mechanisms which are arranged at intervals, and a chain of each chain transmission mechanism is connected with a plurality of clamping blocks;
the clamping device comprises a plurality of hydraulic cylinders and two push plates, the two push plates are respectively positioned inside the two chain transmission mechanisms, the hydraulic cylinders are hung on the box body, and piston rods of the hydraulic cylinders are connected with the two push plates.
11. The vehicular coiled tubing drilling apparatus of claim 10,
the chain is connected with the clamping block through a bracket.
12. The vehicular coiled tubing drilling apparatus of claim 11,
one side of bracket is connected with the jump ring, the opposite side of bracket is connected with the stopper, one side of grip block be equipped with can with jump ring joint complex draw-in groove, the opposite side of grip block be equipped with can with stopper joint complex spacing groove.
13. The vehicular coiled tubing drilling apparatus of claim 9,
the injection head is connected with the auxiliary vehicle through a hydraulic overturning support.
14. The vehicular coiled tubing drilling apparatus of claim 9,
the upper end of the injection head is connected with a guider, and the lower end of the injection head is connected with a blowout prevention box.
15. The vehicular coiled tubing drilling apparatus of claim 14,
the guide is connected with the injection head through a sliding seat.
16. The vehicular coiled tubing drilling apparatus of claim 15,
the slider includes:
the body is movably connected to the upper end of the injection head, and the guider is rotatably connected to the body;
and the first end of the adjusting screw rod is connected with the body, an adjusting nut is screwed on the adjusting screw rod and is connected with the injection head.
17. The vehicular coiled tubing drilling apparatus of claim 16,
and the adjusting screw rod is also screwed with two locking nuts, and the two locking nuts are respectively positioned on two sides of the adjusting nut.
18. The vehicular coiled tubing drilling apparatus of claim 9,
the drill floor comprises an upper base, a lower base and a plurality of first self-locking lifting hydraulic cylinders connected between the upper base and the lower base.
19. The vehicular coiled tubing drilling apparatus of claim 18,
the upper base is provided with a mounting seat used for connecting an injection head, and the mounting seat comprises an upper connecting seat, a lower connecting seat and a plurality of second self-locking lifting hydraulic cylinders connected between the upper connecting seat and the lower connecting seat.
20. The vehicular coiled tubing drilling apparatus of claim 18,
the edge of the upper base is connected with a protective guard.
21. The vehicular coiled tubing drilling apparatus of claim 20,
one side of the drill floor is connected with a working ladder.
22. The vehicular coiled tubing drilling apparatus of any one of claims 9 to 21,
the semitrailer is provided with a control room and hose rollers, the control room and the hose rollers are positioned on the front side and the rear side of the rollers, and the side surfaces of the hose rollers are connected with blowout preventers.
23. The vehicular coiled tubing drilling apparatus of claim 22,
and the semitrailer is also provided with a power system, and the power system is positioned in front of the control room.
24. The vehicular coiled tubing drilling apparatus of any one of claims 9 to 21,
and a cable or an optical fiber is arranged in the continuous pipe.
CN202010273104.5A 2020-04-09 2020-04-09 Roller, semitrailer and vehicle-mounted coiled tubing drilling equipment Pending CN111322020A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010273104.5A CN111322020A (en) 2020-04-09 2020-04-09 Roller, semitrailer and vehicle-mounted coiled tubing drilling equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010273104.5A CN111322020A (en) 2020-04-09 2020-04-09 Roller, semitrailer and vehicle-mounted coiled tubing drilling equipment

Publications (1)

Publication Number Publication Date
CN111322020A true CN111322020A (en) 2020-06-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010273104.5A Pending CN111322020A (en) 2020-04-09 2020-04-09 Roller, semitrailer and vehicle-mounted coiled tubing drilling equipment

Country Status (1)

Country Link
CN (1) CN111322020A (en)

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CN112145169B (en) * 2020-10-28 2021-09-07 中国科学院空间应用工程与技术中心 Coiled tubing type deep lunar soil drilling system

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CN202743349U (en) * 2012-07-12 2013-02-20 中国石油天然气集团公司 Sunken roller fixing semitrailer for continuous tube of oil field
CN103726799A (en) * 2012-10-15 2014-04-16 中国石油天然气集团公司 Injection head mounting device and injection head mounting method
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CN112145169A (en) * 2020-10-28 2020-12-29 中国科学院空间应用工程与技术中心 Coiled tubing type deep lunar soil drilling system
CN112145169B (en) * 2020-10-28 2021-09-07 中国科学院空间应用工程与技术中心 Coiled tubing type deep lunar soil drilling system

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