CN106014196A - Top drive drilling device - Google Patents
Top drive drilling device Download PDFInfo
- Publication number
- CN106014196A CN106014196A CN201610544670.9A CN201610544670A CN106014196A CN 106014196 A CN106014196 A CN 106014196A CN 201610544670 A CN201610544670 A CN 201610544670A CN 106014196 A CN106014196 A CN 106014196A
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- assembly
- blowout prevention
- drilling
- hollow spindle
- oil cylinder
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- 238000005553 drilling Methods 0.000 title claims abstract description 84
- 238000007789 sealing Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000002265 prevention Effects 0.000 claims description 43
- 239000000725 suspension Substances 0.000 claims description 25
- 244000261422 Lysimachia clethroides Species 0.000 claims description 20
- 238000005406 washing Methods 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a top drive drilling device, which belongs to the technical field of a drilling device. The top drive drilling device comprises a blowout control assembly, wherein the lower end of the blowout control assembly is connected with a drill stem, and the top drive drilling device is characterized by also comprising a power assembly and a water inlet device, wherein the power assembly comprises an alternating-current variable-frequency motor, a shell is arranged outside the alternating-current variable-frequency motor, a hollow main shaft is arranged inside the alternating-current variable-frequency motor, the hollow main shaft is connected with a rotor of the alternating-current variable-frequency motor, and as a power output shaft, a sealing structure is arranged respectively between the upper and lower ends of the hollow main shaft and the shell; the water inlet device is movably connected with the upper part of the hollow main shaft in a sealing manner; and the upper end of the blowout control assembly is connected with the lower end of the hollow main shaft. The hollow main shaft is directly driven by a top motor, so that the overall weight and size of the device are greatly reduced, the drilling efficiency is high, and the drilling time is saved.
Description
Technical field
The present invention relates to drilling rig technical field.
Background technology
At present, rotary-disk type structure continued to use by existing rig always, kelly bar and drilling tool, bit is driven to carry out drillng operation by rotating disk, development along with drilling equipment technology, 1880s, is developed a kind of top in derrick space by the U.S. and directly drives drilling tool, drill bit to implement the top drive churn (hereinafter referred to as top drive drilling or top is driven) of drillng operation.Top drive drilling is the great cutting edge technology equipment of current oil drilling, has become as deep-well, one of essential equipment of Holes of Complicated Wells construction, in overseas in the bid of drilling engineering, if be equipped with top drive drilling become can in one of target essential condition.Currently, modern top drive drilling, by N level mechanical reducer, makes top drive drilling main shaft directly drive drilling tool, drill bit to implement drillng operation.Above-mentioned top drive drilling generally uses dead axle, single speed, two-stage mechanical reducer, and its major technique shortcoming is: volume is big, quality weight；Drive motor shaft to assemble with drill spindle non-concentric, so that hanging imbalance is driven on top, the hydraulic balance device that counterweight is complicated with dress need to be added.So exploring, solving top and drive drive technology and relate to General Promotion dynamic property, reduce power consumption, improve the key technology of rig efficiency, also it is drilling well scientific research field key subjects urgently to be resolved hurrily.
Summary of the invention
The technical problem to be solved in the present invention, is to provide a kind of top-drive drilling, and it uses top motor direct-drive hollow spindle, is substantially reduced device overall weight and volume, and drilling efficiency is high, saves drilling time.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
Top-drive drilling, including blowout prevention assembly, described blowout prevention assembly lower end is connected with drilling rod, it is characterized in that: also include that power assembly and water feed apparatus, described power assembly include that alternating-current variable frequency motor, the outside of described alternating-current variable frequency motor are provided with housing, hollow spindle it is provided with inside alternating-current variable frequency motor, described hollow spindle is connected with the rotor of alternating-current variable frequency motor, as power output shaft, is equipped with sealing structure between the upper and lower end of hollow spindle and housing；Described water feed apparatus is flexibly connected with the top seal of hollow spindle；The described upper end of blowout prevention assembly is connected with the lower end of hollow spindle.
As preferably, described housing includes upper shell, motor housing and lower house, described motor housing is positioned at the outside of the stator of alternating-current variable frequency motor, between top and the upper shell of motor housing, and is fastenedly connected by connecting bolt I and connecting bolt II between the bottom of motor housing and lower house.
As preferably, it is additionally provided with the dish brake apparatus of hollow spindle.
As preferably, described dish brake apparatus includes brake disc and a pair brake oil cylinder, and described brake disc is connected with main shaft by axle sleeve, and described brake oil cylinder is connected with brake disc, to brake disc applying normal pressure and then realizes brake function by brake oil cylinder.
As preferably, described water feed apparatus includes gooseneck assembly, washing pipe assembly, gooseneck support and total support, and described gooseneck assembly is arranged on upper shell top by total support；The bottom of described gooseneck assembly is connected with upper shell by gooseneck support；Described washing pipe assembly is connected with washing pipe assembly upper end in total internal stent, the front end of described gooseneck assembly, and washing pipe assembly lower end is connected with the upper end air-tight movable of hollow spindle.
As preferably, also including that back-up tong assembly, described back-up tong assembly include back-up tong and torque stand, the upper end of described torque stand connects described lower house, and lower end connects described back-up tong；Described back-up tong includes piston, left shell, right shell body and fairlead, described left shell and right shell body are positioned at the outside of piston, described fairlead is positioned at the bottom of left shell and right shell body, left shell and right shell body are linked together, described internal piston connects slips body, connection clamp tooth in portion's in slips body, the right part of described right shell body is connected with torque stand；Described left shell and right shell body are provided with oil inlet and outlet, realize clamping and unclamp drilling rod.
As preferably, described power assembly also includes suspension ring leaning device, described suspension ring leaning device includes suspension ring and dump ram, the upper end of dump ram is connected with connecting bolt I, bottom is connected with suspension ring by U-bolt, suspension ring promote drilling tool at work, and the action of dump ram just can make drilling tool swing in the range of certain angle.
As preferably, the top of described housing is provided with drop handle, described drop handle is provided with a pair bascule, described bascule includes oil cylinder, the lower end of described oil cylinder is connected by U-bolt and drop handle are fixing, upper end is sequentially connected with short circuit, joint, bearing pin, draw ring, and draw ring resuspends on hook block.
As preferably; described blowout prevention assembly includes locking device, actuates device, blowout prevention oil cylinder, protection joint and two preventers; it is sequentially connected with two preventers and protection joint in the lower end of described main shaft, is respectively arranged with described locking device at preventer with main shaft junction, two preventer junctions and preventer and protection joint；The preventer on top is actuated device and is connected with described blowout prevention oil cylinder described in passing through.
As preferably, described device of actuating includes that set is actuated in shift fork, blowout prevention striking gear and blowout prevention, the outside being socketed in preventer is actuated in described blowout prevention, it is hinged that set is actuated in one end of described shift fork and blowout prevention, the other end and the upper end thereof of blowout prevention oil cylinder, the middle part of described shift fork is connected with the housing outside blowout prevention oil cylinder by shift fork bearing, hinged between shift fork and shift fork bearing.
Use and have the beneficial effects that produced by technique scheme: top drive drilling of the prior art is additionally provided with gear and slows down, cause rig overall volume big, quality weight, and rig efficiency is low, noise is big, gear maintenance difficult.The present invention uses alternating-current variable frequency motor directly to drive hollow spindle to rotate, and saves deceleration device, alleviates equipment overall volume and weight, and directional drilling, core-drilling efficiency height, can save drilling time 20%～40%, it is ensured that the safety of operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention；
Fig. 2 is the structural representation of the power assembly part in Fig. 1；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the structural representation of the water feed apparatus of Fig. 1；
Fig. 5 is the structural representation of the back-up tong assembly of Fig. 1；
Fig. 6 is the structural representation of the suspension ring leaning device of the present invention；
Fig. 7 is the structural representation of the bascule of the present invention；
Fig. 8 is the structural representation of the blowout prevention assembly of Fig. 1；
Fig. 9 is the structural representation actuating device of Fig. 1；
Figure 10 is the left view of Fig. 9；
Figure 11 is the structural representation of the guide rail of the present invention；
nullEach figure number is entitled: 1 power assembly，1-1 suspension ring leaning device，1-1-1 dump ram，1-1-2 suspension ring，1-1-3 U-bolt I，1-2 connecting bolt I，1-5 hollow spindle，1-10 lower house，1-11 connecting bolt II，1-14 oil sealing box，1-15 O I，1-16 oil sealing I，1-31 bearing I，1-32 bearing box I，1-33 bearing II，1-36 bearing III，1-38 bearing box II，1-41 seal box，1-43 oil sealing II，1-45 alternating-current variable frequency motor，1-46 expansion set，1-48 bearing V，1-51 bearing pin I，1-53 brake disc，1-54 bolt，1-55 brake oil cylinder，1-58 end cap，1-61 supports end cap，1-62 lubricating cup，1-66 drop handle，1-67 bascule，1-67-1 draw ring，1-67-2 pin shaft II，1-67-6 joint，1-67-7 short circuit，1-67-8 safety pin I，1-67-9 oil cylinder，1-67-16 U-bolt II，1-76 screw，1-77 profile of tooth pressing plate，1-78 encoder，1-79 is to key，1-80 axle sleeve，1-81 straight end-face key，1-82 oil sealing III，1-83 O II，1-84 upper shell，1-89 motor housing，2 water feed apparatus，2-1 gooseneck support，2-2 gooseneck assembly，The total support of 2-3，2-4 washing pipe assembly，3 blowout prevention assemblies，3-1 locking device，3-2 actuates device，3-2-1 shift fork，3-2-5 shift fork bearing，3-2-6 blowout prevention striking gear，Set is actuated in 3-2-7 blowout prevention，3-3 blowout prevention oil cylinder，3-4 preventer，3-5 protects joint，4 back-up tong assemblies，4-1 back-up tong，4-5 torque stand，4-9 pin shaft III，4-1-1 piston，4-1-2 left shell，4-1-3 fairlead，4-1-4 right shell body，4-1-5 slips body，4-1-6 clamps tooth，5 rail assemblies，5-1 ear mount assembly，5-3 adjusting rod，5-14 guide rail one，5-15 guide rail two，5-16 guide rail three，5-17 high strength mining round link chain，5-19 safety pin II，5-20 guide rail four.
Detailed description of the invention
Below in conjunction with the accompanying drawings and an embodiment the present invention is further detailed explanation.
Such as Fig. 1, shown in Fig. 2, the present invention includes blowout prevention assembly 3, described blowout prevention assembly 3 lower end is connected with drilling rod, also include power assembly 1 and water feed apparatus 2, described power assembly 1 includes alternating-current variable frequency motor 1-45, the outside of described alternating-current variable frequency motor 1-45 is provided with housing, hollow spindle 1-5 it is provided with inside alternating-current variable frequency motor 1-45, the rotor of described hollow spindle 1-5 and alternating-current variable frequency motor 1-45 is connected, as power output shaft, the rotor of hollow spindle 1-5 and alternating-current variable frequency motor 1-45 realizes being connected transmission by expansion set 1-46, thus drive hollow spindle 1-5 to rotate, hollow spindle 1-5's is upper, sealing structure it is equipped with between bottom and housing；Described water feed apparatus 2 is flexibly connected with the top seal of hollow spindle 1-5；The upper end of described blowout prevention assembly 3 is connected with the lower end of hollow spindle 1-5.
The beneficial effects of the present invention is: this device is the New well drilling device for replacing tradition drilling equipment, be alternating-current variable frequency motor 1-45 rig power section being moved on to rig top by the rotating disk driving of bottom, directly drive drilling tool rotary drilling.This device is a kind of directly to drive hollow spindle 1-5 to carry out the top-drive drilling crept into by alternating-current variable frequency motor 1-45, it by high power AC adjustable frequency motor Integrated design inside power assembly.Complete machine uses modularity to install (referring to each several part to carry out after can being installed separately between each several part assembly install) again, greatly reduce installation and maintenance time, it is substantially reduced device overall weight and volume, and directional drilling, core-drilling efficiency height, drilling time 20%～40% can be saved, it is ensured that the safety of operation.
nullFurther，As shown in Figure 2，Described housing includes upper shell 1-84、Motor housing 1-89 and lower house 1-10，Described motor housing 1-89 is positioned at the outside of the stator of alternating-current variable frequency motor 1-45，It is fastenedly connected by two connecting bolt I 1-2 and two connecting bolt II 1-11 between top and the upper shell 1-84 of motor housing 1-89 and between the bottom of motor housing 1-89 and lower house 1-10，An end cap 1-58 is installed in upper shell 1-84 upper end，Supports end cap 1-61 is installed in end cap 1-58 center，Supports end cap 1-61 is carried out again a series of sealing device is installed，Thus realize internal with outside completely isolated effect，Upper shell 1-84 lower end is installed oil sealing 1-82 and O II 1-83 and is realized sealing，Bearing V 1-48 is installed and realizes righting location and the effect of flexible rotating of hollow spindle 1-5，Lower house 1-10 lower end is equipped with oil sealing box 1-14，Realize extraneous completely separated with lower house 1-10 inner chamber inside oil sealing box 1-14 equipped with oil sealing I 1-16 and O I 1-15.Bearing I 1-31 is installed on lower house 1-10 partial below to realize righting location and the effect of flexible rotating of hollow spindle 1-5.Equipped with bearing II 1-33 in the middle inner chamber of lower house 1-10, its middle (center) bearing II 1-33 is that load-bearing bearing is arranged in bearing box I 1-32, only bearing box I 1-32 need to be changed after bearing bit loss is bad, avoid causing too much waste, bearing II 1-33 to play righting location and the effect of flexible rotating of hollow spindle 1-5.The upper end of lower house 1-10 is installed bearing box II 1-38, its internally installed bearing III 1-36 and is played righting location and the effect of flexible rotating of hollow spindle 1-5 equally.Seal box 1-41, seal box 1-41 are installed on bearing box II 1-38 and realize the inner chamber of alternating-current variable frequency motor 1-45 and being kept completely separate of lower house 1-10 inner chamber built with oil sealing II 1-43.
Said structure is reasonable in design, overall compact, it is ensured that hollow spindle 1-5 accurate positioning, location flexibly, drive drilling rod directional drilling, core-drilling efficiency high, it is simple to dismantle, keep in repair, and connect reliable, good airproof performance.
nullFurther，As shown in Figure 2，The dish brake apparatus of hollow spindle 1-5 it is additionally provided with in the inner chamber of upper shell 1-84，Play the effect of fast braking，Described dish brake apparatus includes brake disc 1-53 and a pair brake oil cylinder 1-55，Described brake disc 1-53 is connected with hollow spindle 1-5 by axle sleeve 1-80，Wherein brake disc 1-53 and axle sleeve 1-80 is connected by bolt 1-54 and straight end-face key 1-81，Axle sleeve 1-80 again with main shaft 1-5 by key 1-79 is connected，So that main shaft 1-5 is connected as a single entity with brake disc 1-53，Axle sleeve 1-80 upper end is connected as a single entity by screw 1-76 with profile of tooth pressing plate 1-77，The gear of profile of tooth pressing plate 1-77 and encoder 1-78 engages the rotating speed that thus can accurately measure main shaft 1-5，Encoder 1-78 is fixed on upper shell 1-84 by encoder support，Described brake oil cylinder 1-55 is connected with brake disc 1-53，To brake disc 1-53 applying normal pressure and then brake function is realized by brake oil cylinder 1-55.
Above-mentioned brake gear achieves the fast braking of hollow spindle 1-5, uses hydraulic braking, and braking effect is good, and noise is little, and described dish brake apparatus is provided with four groups.Often group brake gear to brake disc 1-53 applying normal pressure and then realizes brake function by a pair brake oil cylinder 1-55.Its brake weight applied and oil cylinder working-pressure are directly proportional.Dish brake apparatus can provide the brake control power of 30kN m, the service pressure of dish brake apparatus to be 10MPa.
Further, as shown in Figure 4, described water feed apparatus 2 includes that gooseneck assembly 2-2, washing pipe assembly 2-4, gooseneck support 2-1 and total support 2-3, described gooseneck assembly 2-2 are arranged on upper shell 1-84 top by total support 2-3；The bottom of described gooseneck assembly 2-2 is connected with upper shell 1-84 by gooseneck support 2-1；Described washing pipe assembly 2-4 is inside total support 2-3, and the front end of described gooseneck assembly 2-2 is connected with washing pipe assembly 2-4 upper end by rotary hose, and washing pipe assembly 2-4 lower end is connected with the upper end air-tight movable of hollow spindle 1-5.
Further, as it is shown in figure 5, this device also includes that back-up tong assembly 4, described back-up tong assembly 4 include that the upper end of back-up tong 4-1 and torque stand 4-5, described torque stand 4-5 connects described lower house 1-10, lower end connects described back-up tong 4-1；Described back-up tong 4-1 includes piston 4-1-1, left shell 4-1-2, right shell body 4-1-4 and fairlead 4-1-3, described left shell 4-1-2 and right shell body 4-1-4 is positioned at the outside of piston 4-1-1, described fairlead 4-1-3 is positioned at left shell 4-1-2 and the bottom of right shell body 4-1-4, left shell 4-1-2 and right shell body 4-1-4 is linked together, described piston 4-1-1 is internal connects slips body 4-1-5, the internal connection clamp tooth 4-1-6 of slips body 4-1-5, the right part of described right shell body 4-1-3 is connected with torque stand 4-5；Described left shell 4-1-2 and right shell body 4-1-4 is provided with oil inlet and outlet, realizes clamping and unclamp drilling rod.
Common rig needs when carrying out and changing drilling rod operation to dismantle drilling rod with Power Tong, put and be sitting on slips, then the drilling rod utilizing auxiliary device extraction drilling rod to align in slips re-uses Power Tong and tightens, and the drilling rod other end of extraction also needs to align, and connects with Power Tong and kelly the most again.Extracting drilling rod during this and drilling rod aligns and all needs people to assist, inefficiency danger is high.
The back-up tong assembly 4 that this device is arranged during making a trip on, shackle convenient, quick, laborsaving, fairlead 4-1-3 can make protection joint 3-5 and the axially aligned righting-oriented of drilling rod when upper shackle.
Further, such as Fig. 1, shown in Fig. 6, described power assembly 1 also includes suspension ring leaning device 1-1, described suspension ring leaning device 1-1 includes suspension ring 1-1-2 and dump ram 1-1-1, the upper end of dump ram 1-1-1 is connected with connecting bolt I 1-2 by bearing pin, can flexible rotating after connection, lower end is connected with suspension ring 1-1-2 by U-bolt I 1-1-3, suspension ring 1-1-2 promotes drilling tool at work, elongation and shortening by dump ram 1-1-1 just can make drilling tool swing in the range of certain angle, the top of suspension ring 1-1-2 hangs with lower house 1-10, bottom hangs with the gripping mechanism elevator of drilling tool, thus the swing of suspension ring 1-1-2 the most just drives the swing of drilling tool, convenient working uses.Dump ram 1-1-1 action can promote suspension ring 1-1-2 to complete forward and backward to incline, and maximum leans forward and elevator can be made to be lifted away from drilling floor surface and not affect top driving device descending, and maximum hypsokinesis can drive to rat hole or single or other tubing strings of ramp crawl.Suspension ring meet the related request of API 8C standard.
Further, as shown in Figure 1, Figure 2, shown in Fig. 7, the top of the upper shell 1-84 of described housing is provided with drop handle 1-66, and all parts entirety is mentioned carrying by drop handle 1-66.Drop handle meets 150 tons that API 8C standard hook carries, and performance indications all meet API security improvement load standard.Drop handle 1-66 is connected with upper shell 1-84 by bearing pin I 1-51.Bearing pin I 1-51 side has baffle plate and bolt to position bearing pin I 1-51, prevents bearing pin I 1-51 from producing horizontal collecting together.Bearing pin I 1-51 side has tank filler sleeve can fill butter, is lubricated the contact surface of bearing pin I 1-51 and drop handle 1-66, it is ensured that drop handle 1-66 can be along bearing pin I 1-51 axis flexible rotation；Described drop handle 1-66 is provided with a pair bascule 1-67, described bascule 1-67 includes oil cylinder 1-67-9, the lower end of described oil cylinder 1-67-9 is connected by U-bolt 1-67-16 II and drop handle 1-66 is fixing, upper end is sequentially connected with short circuit 1-67-7, joint 1-67-6, pin shaft II 1-67-2, draw ring 1-67-1, and draw ring 1-67-1 resuspends on hook block.The damage of screw thread when the Main Function of bascule 1-67 is to prevent shackle, thus increase protection joint 3-5 and the service life of drilling tool of main shaft, reduce the cost of loss and drilling well.Next to that shackle finally time help male joint to eject from female connector, it is not necessary to as conventional drilling machine by driller control on carry hook and could realize.Function of wherein " bouncing " describes: when upper shackle, and oil cylinder drives by carrying top on drop handle 1-66, reduces the stress between thread of drilling tool, reduces the degree of wear of screw thread；Shackle finally time, oil cylinder 1-67-9 have one more than the power driven of top, thread off the load of transient equilibrium oil cylinder 1-67-9 reduces, make top drive on rapidly and carry, and then realize " spring " function.
Further; described blowout prevention assembly 3 includes locking device 3-1, actuates device 3-2, blowout prevention oil cylinder 3-3, protection joint 3-5 and two (IBOP) preventer 3-4; two (IBOP) preventer 3-4 and protection joint 3-5 it are sequentially connected with in the lower end of described hollow spindle 1-5; it is respectively arranged with described locking device 3-1 with hollow spindle 1-5 junction, two (IBOP) preventer 3-4 junctions and (IBOP) preventer 3-4 with protection joint 3-5 junction at (IBOP) preventer 3-4, prevents each junction from occurring loosening and causing the damage of equipment；(IBOP) the preventer 3-4 on top actuates device 3-2 and is connected with described blowout prevention oil cylinder 3-3 described in passing through, valve in so blowout prevention oil cylinder 3-3 up (IBOP) preventer 3-4 is opened, valve closing in blowout prevention oil cylinder 3-3 descending (IBOP) preventer 3-4, can realize remote switch control；Valve in bottom (IBOP) preventer 3-4 need workman the most manual open or close valve.
(IBOP) effect of preventer 3-4 is when borehole pressure is higher than pressure in drill string, can cut off drill string inner passage by closing (IBOP) preventer 3-4, thus prevent the generation of well kick or blowout.Wherein protection joint 3-5 is to protect the connection screw thread of (IBOP) preventer 3-4 screw thread abrasion will be caused to set up because frequently removing drill string, the most also can mate the needs of different model drill string by changing protection joint 3-5 specification.
Further, the described device 3-2 that actuates includes that set 3-2-7 is actuated in shift fork 3-2-1, blowout prevention striking gear 3-2-6 and blowout prevention, described blowout prevention is actuated set 3-2-7 and is socketed in the outside of (IBOP) preventer 3-4, it is hinged that set 3-2-7 is actuated in one end of described shift fork 3-2-1 and blowout prevention, the other end and the upper end thereof of blowout prevention oil cylinder 3-3, the middle part of described shift fork 3-2-1 is connected by the housing outside shift fork bearing 3-2-5 and blowout prevention oil cylinder 3-3, hinged between shift fork 3-2-1 and shift fork bearing 3-2-5.
Further, this device also includes rail assembly 5 and fairlead, the Main Function of rail assembly 5 is subject to the reaction torque pushed up when driving work, described rail assembly 5 is positioned at described upper shell 1-84 and lower house 1-10 rear portion, rail assembly 5 is topmost connected with the overhead traveling crane bottom girder of derrick, rail assembly 5 lower end is connected with the reverse torque beam of derrick, the operation torque making top drive is directly delivered to derrick lower end, described fairlead penetrates in rail assembly 5, drive with top and slide up and down, transfer torque on rail assembly 5.
nullDescribed rail assembly 5 includes guide rail one 5-14 the most arranged in parallel、Guide rail two 5-15、Guide rail three 5-16 and guide rail four 5-20 and high strength mining round link chain 5-17，Described high strength mining round link chain 5-17 is through guide rail one 5-14、Guide rail two 5-15、Inside guide rail three 5-16 and guide rail four 5-20，One end of described guide rail one 5-14 is provided with ear mount assembly 5-1，Described ear mount assembly 5-1 is weldingly fixed on day vehicle frame，Ear mount assembly 5-1 is connected by U-shaped ring and high-tensile round-link chain 5-17 with guide rail one 5-14，It is additionally provided with adjusting rod 5-3 between ear mount assembly 5-1 and high-tensile round-link chain 5-17，It is connected as an entirety by bearing pin and high-tensile round-link chain 5-17 between each guide rail，The bottom of guide rail four 5-20 is fixed by reaction torque frame，The bearing of reaction torque frame is connected fixing with derrick panel，Then steady pin is used to be connected with guide rail four 5-20 on reaction torque pincers，Put on safety pin II 5-19.
The single job step of creeping into of the present invention is:
1, after previous rod boring, sitting and put slips, stop slush pump circulation of drilling fluid, close top and drive remote control inner blowout preventer: use back-up tong assembly shackle, Shang Tiding is driven to capture rat hole drilling rod position to be stopped；
2, using suspension ring leaning device extension to capture rat hole drilling rod, buckle is fastened with a bolt or latch；
3, slowly on carry top and drive, now suspension ring leaning device is in " suspension " state, and drilling rod is directed at well head the most automatically；
4, the most lower caving is driven, and single lower end and shaft bottom drill string make-up use well head Power Tong to connect single and drill string, continues the most lower caving and drives, and entrance top, single upper end is driven back-up tong assembly guide cover and drives protection joint make-up with top, uses and detains on back-up tong assembly；
5, slowly on carry top and drive, promote drilling rod, take out slips, open top and drive remote control inner blowout preventer, open slush pump circulation of drilling fluid, top is driven alternating-current variable frequency motor and is continued to creep into rotating speed, moment of torsion.
Principle and the embodiment of the present invention are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (10)
1. top-drive drilling, including blowout prevention assembly (3), described blowout prevention assembly (3) lower end is connected with drilling rod, it is characterized in that: also include power assembly (1) and water feed apparatus (2), described power assembly (1) includes alternating-current variable frequency motor (1-45), the outside of described alternating-current variable frequency motor (1-45) is provided with housing, alternating-current variable frequency motor (1-45) is internal is provided with hollow spindle (1-5), described hollow spindle (1-5) is connected with the rotor of alternating-current variable frequency motor (1-45), as power output shaft, hollow spindle (1-5) upper, sealing structure it is equipped with between bottom and housing；Described water feed apparatus (2) is flexibly connected with the top seal of hollow spindle (1-5)；The upper end of described blowout prevention assembly (3) is connected with the lower end of hollow spindle (1-5).
Top-drive drilling the most according to claim 1, it is characterized in that: described housing includes upper shell (1-84), motor housing (1-89) and lower house (1-10), described motor housing (1-89) is positioned at the outside of the stator of alternating-current variable frequency motor (1-45), between top and the upper shell (1-84) of motor housing (1-89), and it is fastenedly connected by connecting bolt I (1-2) and connecting bolt II (1-11) between the bottom of motor housing (1-89) and lower house (1-10).
Top-drive drilling the most according to claim 1, it is characterised in that: it is additionally provided with the dish brake apparatus of hollow spindle (1-5).
Top-drive drilling the most according to claim 3, it is characterized in that: described dish brake apparatus includes brake disc (1-53) and a pair brake oil cylinder (1-55), described brake disc (1-53) is connected with hollow spindle (1-5) by axle sleeve (1-80), described brake oil cylinder (1-55) is connected with brake disc (1-53), to brake disc (1-53) applying normal pressure and then realizes brake function by brake oil cylinder (1-55).
Top-drive drilling the most according to claim 1, it is characterized in that: described water feed apparatus (2) includes gooseneck assembly (2-2), washing pipe assembly (2-4), gooseneck support (2-1) and total support (2-3), described gooseneck assembly (2-2) is arranged on upper shell (1-84) top by total support (2-3)；The bottom of described gooseneck assembly (2-2) is connected with upper shell (1-84) by gooseneck support (2-1)；Described washing pipe assembly (2-4) is internal at total support (2-3), and the front end of described gooseneck assembly (2-2) is connected with washing pipe assembly (2-4) upper end, and washing pipe assembly (2-4) lower end is connected with the upper end air-tight movable of hollow spindle (1-5).
Top-drive drilling the most according to claim 1, it is characterized in that: also include back-up tong assembly (4), described back-up tong assembly (4) includes back-up tong (4-1) and torque stand (4-5), the upper end of described torque stand (4-5) connects described lower house (1-10), and lower end connects described back-up tong (4-1)；Described back-up tong (4-1) includes piston (4-1-1), left shell (4-1-2), right shell body (4-1-4) and fairlead (4-1-3), described left shell (4-1-2) and right shell body (4-1-4) are positioned at the outside of piston (4-1-1), described fairlead (4-1-3) is positioned at left shell (4-1-2) and the bottom of right shell body (4-1-4), left shell (4-1-2) and right shell body (4-1-4) are linked together, described piston (4-1-1) is internal connects slips body (4-1-5), the internal connection clamp tooth (4-1-6) of slips body (4-1-5), the right part of described right shell body (4-1-3) is connected with torque stand (4-5)；Described left shell (4-1-2) and right shell body (4-1-4) are provided with oil inlet and outlet, realize clamping and unclamp drilling rod.
Top-drive drilling the most according to claim 1, it is characterized in that: described power assembly also includes suspension ring leaning device (1-1), described suspension ring leaning device (1-1) includes suspension ring (1-1-2) and dump ram (1-1-1), the upper end of dump ram (1-1-1) is connected with connecting bolt I (1-2), bottom is connected with suspension ring (1-1-2) by U-bolt (1-1-3), suspension ring (1-1-2) promote drilling tool at work, and the action of dump ram (1-1-1) just can make drilling tool swing in the range of certain angle.
Top-drive drilling the most according to claim 1, it is characterized in that: the top of described housing is provided with drop handle (1-66), described drop handle (1-66) is provided with a pair bascule (1-67), described bascule (1-67) includes oil cylinder (1-67-9), the lower end of described oil cylinder (1-67-9) is connected by U-bolt (1-67-16) and drop handle (1-66) are fixing, upper end is sequentially connected with short circuit (1-67-7), joint (1-67-6), bearing pin (1-67-2), draw ring (1-67-1), and draw ring (1-67-1) resuspends on hook block.
Top-drive drilling the most according to claim 1, it is characterized in that: described blowout prevention assembly (3) includes locking device (3-1), actuate device (3-2), blowout prevention oil cylinder (3-3), protection joint (3-5) and two preventers (3-4), two preventers (3-4) and protection joint (3-5) it is sequentially connected with in the lower end of described hollow spindle (1-5), in preventer (3-4) and hollow spindle (1-5) junction, two preventer (3-4) junctions and preventer (3-4) are respectively arranged with described locking device (3-1) with protection joint (3-5) junction；The preventer (3-4) on top is actuated device (3-2) and is connected with described blowout prevention oil cylinder (3-3) described in passing through.
Top-drive drilling the most according to claim 7, it is characterized in that: described in actuate device (3-2) and include shift fork (3-2-1), set (3-2-7) is actuated in blowout prevention striking gear (3-2-6) and blowout prevention, described blowout prevention is actuated set (3-2-7) and is socketed in the outside of preventer (3-4), it is hinged that set (3-2-7) is actuated in one end of described shift fork (3-2-1) and blowout prevention, the other end and the upper end thereof of blowout prevention oil cylinder (3-3), the middle part of described shift fork (3-2-1) is connected by the housing that shift fork bearing (3-2-5) is outside with blowout prevention oil cylinder (3-3), between shift fork (3-2-1) and shift fork bearing (3-2-5) hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610544670.9A CN106014196A (en) | 2016-07-12 | 2016-07-12 | Top drive drilling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610544670.9A CN106014196A (en) | 2016-07-12 | 2016-07-12 | Top drive drilling device |
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| CN106014196A true CN106014196A (en) | 2016-10-12 |
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| CN201610544670.9A Pending CN106014196A (en) | 2016-07-12 | 2016-07-12 | Top drive drilling device |
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