CN112983298B - Sucker rod mechanical minor repair operation integrated equipment and technology based on vehicle-mounted workover rig - Google Patents
Sucker rod mechanical minor repair operation integrated equipment and technology based on vehicle-mounted workover rig Download PDFInfo
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- CN112983298B CN112983298B CN202110462646.1A CN202110462646A CN112983298B CN 112983298 B CN112983298 B CN 112983298B CN 202110462646 A CN202110462646 A CN 202110462646A CN 112983298 B CN112983298 B CN 112983298B
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- 230000008439 repair process Effects 0.000 title claims abstract description 36
- 238000005516 engineering process Methods 0.000 title description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 142
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- 238000000034 method Methods 0.000 claims abstract description 29
- 230000008569 process Effects 0.000 claims abstract description 27
- 230000010354 integration Effects 0.000 claims abstract description 12
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- 238000009434 installation Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
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- 230000003068 static effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 abstract description 7
- 238000011900 installation process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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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
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/15—Racking of rods in horizontal position; Handling between horizontal and vertical position
- E21B19/155—Handling between horizontal and vertical position
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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
- E21B19/02—Rod or cable suspensions
- E21B19/06—Elevators, i.e. rod- or tube-gripping devices
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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
- E21B19/10—Slips; Spiders ; Catching devices
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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
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/146—Carousel systems, i.e. rotating rack systems
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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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Abstract
The invention relates to the technical field of pumping rod minor repair operation machinery, and particularly discloses pumping rod mechanical minor repair operation integrated equipment and process based on a vehicle-mounted workover rig. The technical scheme is as follows: the upper end of the sleeved telescopic guide rail is hung on a derrick of the vehicle-mounted workover rig, and the lower end of the sleeved telescopic guide rail is installed and positioned by depending on a well mouth; the slips and slips in the upper shackle mechanism can realize the clamping and loosening of the flange of the sucker rod through opening and closing, the upper shackle module is arranged above the slips and can realize the upper shackle function of the sucker rod, the elevator is connected by a big hook on a vehicle-mounted workover rig and is connected with a sliding mechanism in a sleeved telescopic guide rail through a bolt, and the elevator moves up and down along the telescopic guide rail under the traction of the big hook to lift the sucker rod; the turnover vertical catwalk is installed and positioned by relying on a wellhead and can be turned into an opening of a well frame of the vehicle-mounted workover rig. Has the advantages that: the efficiency of well repair work is improved, workman intensity of labour is lightened, and simultaneously, do not rely on outside lifting device, the on-vehicle integration of sucker rod minor repair operation has been realized.
Description
Technical Field
The invention relates to the technical field of pumping rod minor repair operation machinery, in particular to pumping rod mechanical minor repair operation integrated equipment and technology based on a vehicle-mounted workover rig.
Background
The well repair operation is the most common form of oil field, and is divided into minor repair operation and major repair operation, wherein the minor repair operation mainly comprises operations of pump inspection, process change, sand washing and the like by lifting and lowering a transport pipe column to complete the operation task. At present, the process characteristics of the mainstream sucker rod operation technology are as follows: the method is completed by machinery and manpower. The elevator is driven by the big hook when the sucker rod is lifted, at least 2 elevators circulate in the big hook and the center of the wellhead, and the sucker rod is completely carried and hooked by manpower; the upper shackle part of the pipe column uses upper shackle tongs, and the main upper shackle process is still manually completed; the sucker rod is carried by manpower, the sucker rod slides on the simple guide rail, the flange of the sucker rod clamped by the elevator is lifted, the sucker rod is lifted by partially adopting the elevator matched with the jacking catwalk, the whole operation process is manual, the operation intensity is high, and the operation environment is severe. The minor repair work equipment mainly comprises an independent minor repair work machine and a vehicle-mounted minor repair work machine, and the vehicle-mounted minor repair work machine gradually becomes the mainstream.
The Chinese patent No. 202011048977.2, entitled "oil field workover treatment process for realizing sucker rod automation" realizes the automation of minor repair operation of sucker rod, and the process realizes the automation of minor repair operation of sucker rod, and a large driver can monitor the minor repair operation process of sucker rod in a central control room, and only needs workers to complete the installation process on the well, and basically does not need the workers to work in the minor repair operation process of sucker rod. The process reduces the labor intensity of workers and increases the working efficiency. Meanwhile, the automatic minor repair operation machine of the sucker rod also has certain problems: the catwalk cannot be integrated on the whole vehicle, two vehicles are needed for transportation, and the cost is relatively high; vertical guide rail on the catwalk is too heavy, is unfavorable for realizing on-vehicle integration.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a sucker rod mechanized small repair operation integrated device and a sucker rod mechanized small repair operation integrated process based on a vehicle-mounted workover rig.
The invention provides a sucker rod mechanical minor repair operation integrated device based on a vehicle-mounted workover rig, which adopts the technical scheme that: the device comprises a sleeved telescopic guide rail, a humanoid support adjusting mechanism, a well mouth connecting and tensioning mechanism, a vehicle-mounted workover rig, a well mouth guide connecting plate, a well mouth positioning pin shaft, a well mouth catwalk positioning supporting plate, a turnover vertical catwalk adjusting mechanism, a slip, an upper shackle mechanism and an elevator, wherein the sleeved telescopic guide rail comprises an upper slide rail, a lower slide rail and a roller; the well mouth connecting and tensioning mechanism is connected with a well mouth guide connecting plate, a flexible connecting rope on the well mouth connecting and tensioning mechanism is connected with the lower end of the upper sliding rail, and a flexible connecting rope on the well mouth connecting and tensioning mechanism is adjusted to be tensioned and sleeved with a telescopic guide rail through a tensioning winch; the well head guide connecting plate and the well head catwalk positioning supporting plate are of semicircular structures, form a complete circle, and are connected with a well head large four-way flange through bolts so as to achieve the purpose of positioning by depending on a well head; the well mouth catwalk positioning support plate is connected with the turnover vertical catwalk, the turnover vertical catwalk consists of a base, a telescopic connecting rod and a supporting leg, the base is connected with the telescopic connecting rod in a sleeved mode, a turnover vertical catwalk adjusting mechanism is mounted on the telescopic connecting rod, the supporting leg can adjust the height of the turnover vertical catwalk, and the turnover vertical catwalk adjusts the distance between the telescopic connecting rod and the base through the turnover vertical catwalk adjusting mechanism so as to adjust the front-back distance between the turnover catwalk and the center of a well mouth; the vertical catwalk of upset passes through well head locating pin hub connection well head direction connecting plate, and the vertical catwalk of upset uses well head locating pin axle as the rotation fulcrum, can realize whole upset and rely on the telescopic guide rail of suit to further along with the derrick upset to the derrick opening in, realize that the complete machine is on-vehicle integrated.
Preferably, the elevator guide mechanism is mounted on a lower slide rail, the lower slide rail is an outer slide rail, the lower slide rail is sleeved into the upper slide rail to work, the elevator guide mechanism is connected with the elevator through a bolt, and the elevator can move up and down along the sleeved telescopic guide rail along with the elevator guide mechanism.
Preferably, the elevator guide mechanism is mounted on the outer surface of the lower slide rail, when the elevator moves from bottom to top, the elevator moves upward along the lowest end of the lower slide rail first, when the elevator guide mechanism contacts the upper limit position of the lower slide rail at the upper end of the lower slide rail, the elevator and the lower slide rail are relatively static, the hook drives the elevator and the lower slide rail to move upward along the upper slide rail until the upper limit position of the upper slide rail stops, and the process of moving from top to bottom is opposite to the process of moving the elevator from bottom to top.
Preferably, a humanoid support and a humanoid support adjusting mechanism are installed inside a derrick of the vehicle-mounted workover rig, the humanoid support comprises a fixed support, a connecting rod, a sliding block and a sliding support, the humanoid support adjusting mechanism comprises a stepping motor, a lead screw and a nut, the sliding block is installed on a guide rail of the upper sliding rail, the stepping motor in the humanoid support adjusting mechanism operates to drive the lead screw to rotate, so that the nut drives the sliding support in the humanoid support to move linearly, and then the vertical distance between the sliding block and the fixed support is changed to adjust the position of the sleeved telescopic guide rail and the center of the wellhead so as to ensure that the elevator is coaxial with the wellhead.
Preferably, the upper end of the upper sliding rail of the sleeved telescopic guide rail is hung on a derrick of a vehicle-mounted workover rig, the lower end of the upper sliding rail is connected to a wellhead guide connecting plate through a flexible connecting rope in a wellhead connecting and tensioning mechanism and a tensioning winch, and the tensioning winch adjusts the flexible connecting rope on the wellhead connecting and tensioning mechanism to tension the sleeved telescopic guide rail, so that the sleeved telescopic guide rail is ensured not to swing in the minor repair operation process.
Preferably, the elevator guide mechanism is connected to the outer side of the lower slide rail of the sleeved telescopic guide rail, the elevator guide mechanism comprises an elevator guide mechanism frame, elevator guide mechanism rollers and elevator guide mechanism elevator connections, the elevator guide mechanism elevator connections are arranged on the outer side of the elevator guide mechanism frame, and two rows of six elevator guide mechanism rollers are arranged on the inner wall of the elevator guide mechanism frame; the elevator guide mechanism rolls on the lower sliding rail through two rows of six elevator guide mechanism rollers, and the elevator guide mechanism is connected with the elevator, so that the elevator can move along the telescopic guide rail in a guiding mode.
Preferably, the base installation suit telescopic connecting rod of foretell vertical catwalk of upset, telescopic connecting rod are connected to the well head through well head locating pin axle, well head direction connecting plate, and vertical catwalk of upset adjustment mechanism adjustment upset on through the base is just right well head center to the pipe pole lower extreme after guaranteeing the upset of the vertical catwalk of upset lift arm centre gripping pipe pole, realizes the vertical catwalk of upset and relies on and passes through the well head location.
Preferably, the flexible connecting rod of foretell vertical catwalk of upset passes through well head locating pin hub connection well head guide connecting plate, and flexible connecting rod is installed in the rectangular steel of the base of vertical catwalk of upset, and the rectangular steel of base plays flexible guide effect of flexible connecting rod simultaneously, and well head guide connecting plate passes through bolted connection on the big cross of well head to reach and rely on well head location purpose, the vertical catwalk of upset uses well head locating pin axle to realize the upset action of the vertical catwalk of upset as the rotation fulcrum.
Preferably, foretell telescopic guide rail of suit and vertical catwalk of upset all rely on well head location and installation, and pipe or pole are to well head center when guaranteeing vertical operation, realize vertical taking over, embolia pipe or pole upper portion and top tube or pole including the elevator and are to just low tube or pole, concrete operation: the center of the tail part of the vehicle-mounted workover rig is over against the center of a wellhead, and the distance is adjusted; lifting a derrick of the vehicle-mounted workover rig, and lifting an inner derrick; the sleeved telescopic guide rail is lowered, the flexible connecting rope is connected with a wellhead guide connecting plate, the wellhead connecting and tensioning mechanism is adjusted through the tensioning winch to be pre-tightened, the screw rod and the nut are driven through the stepping motor, the sleeved telescopic guide rail is supported, and when the elevator falls to the workbench, the center of the elevator is opposite to the center of the wellhead; the vertical catwalk clamping pipe of upset or pole lift arm upset 90, well head center is adjusted well in lower end pipe or pole center, 4 landing leg heights of the vertical catwalk base of adjustment upset, realize the arm angle that lifts, ensure that the elevator can embolia pipe or pole upper end smoothly.
The invention provides a mechanized small repair operation integration process of a sucker rod for a vehicle-mounted workover rig, which comprises the following steps:
in a transportation state, the sleeved telescopic guide rail and the turnover vertical catwalk are installed in a derrick opening on the vehicle-mounted workover rig, one end of an upper sliding rail of the sleeved telescopic guide rail is hung on a derrick, and the other end of the upper sliding rail is connected with a wellhead guide connecting plate through a wellhead connecting and tensioning mechanism; the slips and the upper shackle mechanism are placed at the tail part of the vehicle-mounted workover rig, so that vehicle-mounted integration of the small workover equipment of the sucker rod is realized;
after the vehicle-mounted workover rig reaches a designated position, the derrick starts to lift under the action of the hydraulic cylinder, and the vertical catwalk is overturned to lift along with the derrick; after the winch on the vehicle-mounted workover rig is lifted in place, the turnover vertical catwalk is hung and placed downwards, the well head guide connecting plate is connected with the large four-way joint after the winch reaches a preset position, the turnover vertical catwalk and the well head guide connecting plate are connected through a well head positioning pin shaft, after the turnover vertical catwalk is connected with a pivot, the winch continues to be placed downwards, and the turnover vertical catwalk turns over for 90 degrees by taking a connecting point of the well head positioning pin shaft as a pivot; when the turnover vertical catwalk is installed at a specified position, the winch is taken down from the turnover vertical catwalk, a wellhead catwalk positioning support plate is installed, one end of the wellhead catwalk positioning support plate is connected with a wellhead through a bolt, the other end of the wellhead catwalk positioning support plate is installed in a dovetail groove of a turnover vertical catwalk adjusting mechanism, and the front-back distance between the turnover vertical catwalk and the center of the wellhead is adjusted through the turnover vertical catwalk adjusting mechanism; after the arrangement of the turnover vertical catwalk is completed, the elevator, the slips and the upper shackle mechanism are installed, after the installation action is completed, the sleeved telescopic guide rail is adjusted, the height of the humanoid support is adjusted through the humanoid support adjusting mechanism, the vertical direction angle of the sleeved telescopic guide rail is further adjusted to ensure that the elevator and wellhead equipment are coaxial, the wellhead connecting and tensioning mechanism starts to tension to fix the upper slide rail, and the sucker rod minor repair operation is performed after the adjustment of the sleeved telescopic guide rail is completed.
Compared with the prior art, the invention has the following beneficial effects: the turnover vertical catwalk is installed and positioned by relying on a well head, the upper end of the sleeved telescopic guide rail is hung on a derrick of the vehicle-mounted workover rig, and the lower end of the sleeved telescopic guide rail is installed and positioned by relying on the well head; the slips and slips in the upper shackle mechanism can realize the clamping and loosening of the flange of the sucker rod through opening and closing, the upper shackle module is arranged above the slips and can realize the upper shackle function of the sucker rod, the elevator is connected by a big hook on a vehicle-mounted workover rig and is connected with a sliding mechanism in a sleeved telescopic guide rail through a bolt, and the elevator can move up and down along the telescopic guide rail under the traction of the big hook to lift the sucker rod; the turnover vertical catwalk is installed and positioned by depending on a wellhead and can be turned into an opening of a well frame of the vehicle-mounted workover rig;
the invention realizes vehicle-mounted integration while simultaneously taking the advantages of the original oil field well repairing operation process for realizing the automation of the sucker rod into consideration, optimally designs the catwalk, divides the catwalk into the overturning vertical catwalk and the sleeved telescopic guide rail, and is favorable for realizing the vehicle-mounted integration of the small repair operation equipment of the sucker rod;
the invention can reduce the number of vehicle-mounted workover rigs, realize the integration of the whole vehicle, reduce the cost of minor repair operation of the sucker rod and improve the transportation convenience and the operation rapidness.
Drawings
FIG. 1 is a schematic illustration of the present invention during a well servicing operation;
FIG. 2 is a schematic view of the present invention in a transport state;
FIG. 3 is a schematic view of the present invention with the telescoping mast turned 90;
FIG. 4 is a schematic view of the winch of the present invention driving the inverted vertical catwalk to rotate 45 degrees;
FIG. 5 is a schematic representation of the drawworks of the present invention lowering the inverted vertical catwalk to the surface;
FIG. 6 is a schematic view of the nested telescoping rail of the present invention;
FIG. 7 is a cross-sectional view of the nested telescoping rail of the present invention;
FIG. 8 is a schematic view of the elevator guide mechanism of the present invention;
FIG. 9 is a schematic view of the wellhead connection tensioning mechanism of the present invention in connection with a nested telescoping rail;
FIG. 10 is a schematic view of the mounting of the humanoid stent of the invention and its adjustment mechanism;
FIG. 11 is a schematic view of a wellhead guide connection plate of the present invention;
FIG. 12 is a partial view of the near wellhead end of the light duty catwalk of the present invention;
FIG. 13 is a schematic view of the large cross-piece of the present invention connected to a wellhead guide connection plate and a wellhead catwalk positioning support plate;
in the upper drawing, a telescopic guide rail 1, a humanoid support 2, a humanoid support adjusting mechanism 3, a well mouth connecting and tensioning mechanism 4, a vehicle-mounted workover rig 5, a well mouth guide connecting plate 6, an ear ring 6.1, a mounting plate 6.2, a well mouth positioning pin 7, a well mouth catwalk positioning support plate 8, a turnover vertical catwalk 9, a turnover vertical catwalk adjusting mechanism 10, a slip and upper shackle mechanism 11, an elevator 12, an elevator guide mechanism 13, an upper slide rail 1.1, a lower slide rail 1.2, a roller 1.3 and an upper slide rail upper limit 1.1.1 are sleeved, the elevator comprises an upper sliding rail lower limit 1.1.2, a lower sliding rail upper limit 1.2.1, a lower sliding rail lower limit 1.2.2, a fixed support 2.1, a connecting rod 2.2, a sliding block 2.3, a sliding support 2.4, a stepping motor 3.1, a lead screw 3.2, a nut 3.3, a tensioning winch 4.1, a flexible connecting rope 4.2, a base 9.1, a telescopic connecting rod 9.2, a supporting leg 9.3, an elevator guide mechanism frame 13.1, an elevator guide mechanism roller 13.2 and an elevator guide mechanism elevator connection 13.3.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 6-7, the sleeved telescopic guide rail 1 of the invention is composed of an upper slide rail 1.1, a lower slide rail 1.2 and rollers 1.3, the upper slide rail 1.1 and the lower slide rail 1.2 are connected through the rollers 1.3, an elevator guide mechanism 13 is installed on the lower slide rail 1.2, the elevator guide mechanism 13 is connected with an elevator 12 through bolts, and the elevator 12 can move up and down along the sleeved telescopic guide rail 1 along with the elevator guide mechanism 13.
The outer side of a lower sliding rail 1.2 of the sleeved telescopic guide rail 1 is connected with an elevator guide mechanism 13, the elevator guide mechanism 13 comprises an elevator guide mechanism frame 13.1, elevator guide mechanism rollers 13.2 and an elevator guide mechanism elevator connection 13.3, the outer side of the elevator guide mechanism frame 13.1 is provided with the elevator guide mechanism elevator connection 13.3, and the inner wall of the elevator guide mechanism frame 13.1 is provided with two rows of six elevator guide mechanism rollers 13.2; the elevator guiding mechanism 13 realizes the rolling of the lower sliding rail 1.2 through two rows of six elevator guiding mechanism rollers 13.2, and the elevator guiding mechanism 13 is connected with the elevator 12, thereby realizing the guiding movement of the elevator 12 along the sleeved telescopic guide rail 1.
The sleeved telescopic guide rail 1 consists of an upper slide rail 1.1, a lower slide rail 1.2, a roller 1.3, an upper limit 1.1.1 of the upper slide rail, a lower limit 1.1.2 of the upper slide rail, an upper limit 1.2.1 of the lower slide rail and a lower limit 1.2.2 of the lower slide rail, wherein the upper slide rail 1.1 is connected with the lower slide rail 1.2 through the roller 1.3, and an elevator guide mechanism 13 is arranged on the lower slide rail 1.2. The sliding rail moves: the big hook drives the elevator 12 to move to the upper part of the lower slide rail 1.2 from bottom to top along the lower slide rail 1.2, the elevator 12 is in contact with the lower slide rail 1.2 and the upper limit 1.2.1 device of the lower slide rail, the elevator 12 and the lower slide rail 1.2 are relatively static, and the elevator 12 drives the lower slide rail 1.2 to continue to move along the upper slide rail 1.1 until the upper limit 1.1.1 device of the upper slide rail at the upper end of the upper slide rail 1.1; the situation of movement from top to bottom is opposite, the lower sliding rail 1.2 moves downwards along the upper sliding rail 1.1 under the action of gravity until reaching the device of the lower limit 1.1.2 of the upper sliding rail 1.1, at the moment, the elevator 12 and the lower sliding rail 1.2 are relatively static, and then continues to move along the lower sliding rail 1.2 until the lower limit 1.2.2 of the lower sliding rail stops.
Referring to fig. 10, a humanoid support 2 and a humanoid support adjusting mechanism 3 are installed inside a derrick of a vehicle-mounted workover rig 5, the humanoid support 2 is composed of a fixed support 2.1, a connecting rod 2.2, a sliding block 2.3 and a sliding support 2.4, the sliding block 2.3 is installed on a sliding rail of an upper sliding rail 1.1, the humanoid support adjusting mechanism 3 is composed of a stepping motor 3.1, a lead screw 3.2 and a nut 3.3, the stepping motor 3.1 in the humanoid support adjusting mechanism 3 operates to drive the lead screw 3.2 to rotate, so that the nut 3.3 drives the sliding support 2.4 in the humanoid support 2 to move along a straight line, and further the vertical distance of the sliding block 2.3 relative to the fixed support 2.1 is changed to adjust the positions of the sleeved telescopic guide rail 1 and the center of a well mouth so as to ensure that a hanging card 12 is coaxial with the well mouth, and ensure that the sleeved telescopic guide rail 1 does not swing in the small workover operation process.
Preferably, the wellhead guide connecting plate 6 is connected to the wellhead through a bolt, the wellhead guide connecting plate 6 comprises an earring 6.1 of a wellhead positioning pin shaft 7 and a mounting plate 6.2 of the wellhead connecting and tensioning mechanism 4, and the wellhead guide connecting plate 6 is an important connecting piece for overturning the overturning vertical catwalk 9 and tensioning the sleeved telescopic guide rail 1.
Preferably, the base 9.1 square steel of the vertical catwalk 9 of upset is installed and is sleeved with telescopic connecting rod 9.2, and telescopic connecting rod 9.2 is connected to the well head through well head positioning pin 7, well head guide connecting plate 6, and through the vertical catwalk guiding mechanism 10 of upset on the base 9.1 adjustment upset vertical catwalk 9 and well head distance, guarantee that the lift arm of the vertical catwalk 9 of upset centre gripping pipe pole upset back pipe pole lower extreme is just to well head center, realize that the vertical catwalk 9 of upset passes through the well head with the support and fixes a position.
Preferably, the turnover vertical catwalk 9 is connected with a wellhead guide connecting plate 6 through a wellhead positioning pin shaft 7, the wellhead guide connecting plate 6 is connected with a wellhead large four-way flange through a bolt, and the turnover vertical catwalk 9 realizes the turnover action of the turnover vertical catwalk 9 by taking the wellhead positioning pin shaft 7 as a rotation fulcrum;
preferably, above-mentioned telescopic guide rail of suit 1 installs in the opening of derrick, and above-mentioned vertical catwalk 9 of upset can overturn to the derrick opening in, and telescopic guide rail of suit 1 can realize the on-vehicle integration of sucker rod minor repair operation equipment with the design of vertical catwalk 9 of upset.
The telescopic guide rail 1 of suit and the vertical catwalk 9 of upset all rely on well head location and installation, and pipe/pole is to just well head center when guaranteeing vertical operation, realize vertical taking over, embolia pipe/pole upper portion and upper tube/pole including elevator 12 and are to just low tube/pole, concrete operation: the center of the tail part of the vehicle-mounted workover rig 5 is over against the center of a wellhead, and the distance is adjusted; the derrick of the vehicle-mounted workover rig 5 is lifted, and the inner derrick is lifted; referring to fig. 9, the sleeved telescopic guide rail 1 is lowered, the flexible connecting rope 4.2 is connected with the wellhead guide connecting plate 6, the wellhead connecting and tensioning mechanism 4 is adjusted to be pre-tensioned through the tensioning winch 4.1, the lead screw 3.2 and the nut 3.3 are driven through the stepping motor 3.1, the sleeved telescopic guide rail 1 is supported, and when the elevator 12 falls to the workbench, the center of the elevator 12 is opposite to the center of the wellhead; the vertical catwalk 9 that overturns centre gripping pipe/pole lifts the arm and overturns 90, and lower extreme pipe/pole center is adjusted well head center, and 4 landing legs 9.3 height of the vertical catwalk 9 base 9.1 that overturns realize lifting arm angle, ensure that elevator 12 can embolia pipe/pole upper end smoothly.
The invention provides a use method of a mechanized small repair operation integrated device of a sucker rod based on a vehicle-mounted workover rig, which comprises the following steps:
referring to fig. 2, under the transport condition, the telescopic guide rail 1 of suit and the vertical catwalk 9 of upset are installed in the derrick opening on-vehicle workover rig 5, and the derrick on the last slide rail 1.1 one end of telescopic guide rail 1 of suit and the on-vehicle workover rig 5 is connected, and one end is connected tensioning mechanism 4 and well head direction connecting plate 6 through the well head and is connected, and the connection this moment is the flexible coupling. An elevator 12 and a slip and make-up mechanism 11 are placed at the tail of the vehicle-mounted workover rig 5.
Referring to fig. 3-5, 10, 12 and 13, when the vehicle-mounted workover rig 5 reaches a specified position, the elevator 12 and the slip and upper shackle mechanism 11 are moved out of the vehicle-mounted workover rig 5 and placed on the ground, the derrick on the vehicle-mounted workover rig 5 starts to slowly turn over to the specified position under the action of the hydraulic cylinder, and the turning vertical catwalk 9 is raised along with the hydraulic cylinder. When the derrick reaches the set position, the hydraulic cylinder on the vehicle-mounted workover rig 5 stops working, and the winch hangs the hanging ring at the far wellhead end of the turnover vertical catwalk 9 to move downwards. When moving to the appointed position down, pass through bolted connection with earring 6.1 on the well head guide connection board 6 and the big cross-joint of well head, simultaneously with well head guide connection board 6 with upset vertical catwalk 9 through well head positioning pin 7 be connected. When the turnover vertical catwalk 9 reaches a preset position, the winch continues to move downwards, and the turnover vertical catwalk 9 turns over for 90 degrees by taking the wellhead positioning pin shaft 7 as a supporting point to reach a pre-working position of the turnover vertical catwalk 9. The well head workman takes off the winch from the rings of upset vertical catwalk 9, installs well head catwalk location backup pad 8, and upset vertical catwalk guiding mechanism 10 adjusts upset vertical catwalk 9 and well head center fore-and-aft distance can realize the sucker rod and slips and go up break-out mechanism 11, elevator 12 coaxial line after guaranteeing upset arm upset 90 on the vertical catwalk 9 of upset.
Referring to fig. 1, 5, 8, 9 and 12, after the arrangement of the turnover vertical catwalk 9 is completed, the derrick is extended to a predetermined position by the hydraulic cylinder and then the hook starts to operate. And (3) installing the elevator guide mechanism 13 on the sleeved telescopic guide rail 1 from the lower end of the lower slide rail 1.2, and continuing to install the elevator 12 after the installation of the elevator guide mechanism 13 is completed. After the elevator 12 is installed, the hook lifts the elevator 12 to the highest point to be ready for installing the slips and the upper tripping mechanism 11, and the slips and the upper tripping mechanism 11 are installed on a small four-way of a wellhead. After the installation process of all the devices is completed, the height of the human-shaped support 2 is adjusted by the human-shaped support adjusting mechanism 3, and the vertical direction angle of the sleeved telescopic guide rail 1 is further adjusted to ensure that the elevator 12 is coaxial with the wellhead device. After the centering action is finished, the wellhead connecting and tensioning mechanism 4 installed on the mounting plate 6.2 starts to tension to fix the upper sliding rail 1.1. And the installation of the pumping rod workover equipment is completed.
Referring to fig. 1 and 6, in the process of lifting the sucker rod, the hook drives the elevator 12 to descend along the sleeved telescopic guide rail 1 to the upper end surface of the slip and upper shackle mechanism 11. After the sucker rod is clamped, the elevator 12 moves upwards, the slips and the slips in the upper shackle mechanism 11 are opened, the elevator 12 firstly moves from the bottom end of the lower slide rail 1.2 of the sleeved telescopic guide rail 1 to the top end of the lower slide rail 1.2, the hook continues to move upwards after the top end is reached, and the lower slide rail 1.2 of the sleeved telescopic guide rail 1 integrally moves upwards along the upper slide rail 1.1 to reach the initial position. In the process of moving the elevator 12 upwards, the mechanical arm on the turnover vertical catwalk 9 starts to turn over, when the elevator 12 reaches the initial position, the mechanical arm on the turnover vertical catwalk 9 completes 90-degree turnover action, a manipulator on the mechanical arm flexibly clamps the sucker rod, the elevator 12 loosens the sucker rod and continues to move upwards, a screwing-on and unscrewing clamp in the slip and screwing-on and unscrewing mechanism 11 completes screwing-on and unscrewing action and returns, the manipulator on the mechanical arm clamps the sucker rod firmly, and the mechanical arm returns to complete the process of pulling up the sucker rod. The process of pumping down the sucker rod is opposite to that of pumping up the sucker rod, so the process is not described in detail herein.
The above description is only a few of the preferred embodiments of the present invention, and any person skilled in the art may modify the above-described embodiments or modify them into equivalent ones. Therefore, the technical solution according to the present invention is subject to corresponding simple modifications or equivalent changes, as far as the scope of the present invention is claimed.
Claims (10)
1. The utility model provides a sucker rod mechanized small overhaul operation integrated equipment based on-vehicle workover rig, characterized by: comprises a sleeved telescopic guide rail (1), a humanoid support (2), a humanoid support adjusting mechanism (3), a well mouth connecting and tensioning mechanism (4), a vehicle-mounted workover rig (5), a well mouth guide connecting plate (6), a well mouth positioning pin shaft (7), a well mouth catwalk positioning supporting plate (8), a turnover vertical catwalk (9), a turnover vertical catwalk adjusting mechanism (10), a slip and upper shackle mechanism (11) and an elevator (12), wherein the sleeved telescopic guide rail (1) consists of an upper slide rail (1.1), a lower slide rail (1.2) and a roller (1.3), the upper slide rail (1.1) and the lower slide rail (1.2) are connected through the roller (1.3), the sleeved telescopic guide rail (1) is connected in a well frame opening of the vehicle-mounted workover rig (5) through a guide rail derrick on the upper slide rail (1.1) and is contacted with the humanoid support (2) arranged in the well frame, and the humanoid support adjusting mechanism (3) adjusts the height of the humanoid support (2), further adjusting the vertical angle of the sleeved telescopic guide rail (1); the well mouth connecting and tensioning mechanism (4) is connected with a well mouth guide connecting plate (6), a flexible connecting rope (4.2) on the well mouth connecting and tensioning mechanism (4) is connected with the lower end of an upper sliding rail (1.1), and the flexible connecting rope (4.2) on the well mouth connecting and tensioning mechanism (4) is adjusted through a tensioning winch (4.1) to tension and sleeve a telescopic guide rail (1); the well mouth guide connecting plate (6) and the well mouth catwalk positioning supporting plate (8) are of semicircular structures, form a whole circle, and are connected with a well mouth large four-way flange through bolts so as to achieve the purpose of positioning by depending on the well mouth; the well mouth catwalk positioning support plate (8) is connected with the turnover vertical catwalk (9), the turnover vertical catwalk (9) is composed of a base (9.1), a telescopic connecting rod (9.2) and a supporting leg (9.3), the base (9.1) is connected with the telescopic connecting rod in a sleeved mode, a turnover vertical catwalk adjusting mechanism (10) is installed on the telescopic connecting rod (9.2), the supporting leg can adjust the height of the turnover vertical catwalk (9), and the turnover vertical catwalk (9) adjusts the distance between the telescopic connecting rod (9.2) and the base (9.1) through the turnover vertical catwalk adjusting mechanism (10) so as to adjust the front-back distance between the turnover vertical catwalk (9) and the center of a well mouth; the turnover vertical catwalk (9) is connected with a wellhead guide connecting plate (6) through a wellhead positioning pin shaft (7), the turnover vertical catwalk (9) uses the wellhead positioning pin shaft (7) as a rotating fulcrum, can realize integral turnover and depends on the sleeved telescopic guide rail (1), and further realizes vehicle-mounted integration of the whole machine along with the turnover of the derrick to an opening of the derrick.
2. The integrated equipment for mechanized small workover operations of the sucker rod based on the vehicle-mounted workover rig according to claim 1, which is characterized in that: the elevator guide mechanism (13) is installed on the lower slide rail (1.2), the lower slide rail (1.2) is an outer slide rail, the lower slide rail (1.2) is sleeved into the upper slide rail (1.1) to work, the elevator guide mechanism (13) is connected with the elevator (12) through a bolt, and the elevator (12) can move up and down along the sleeved telescopic guide rail (1) along with the elevator guide mechanism (13).
3. The integrated equipment for the mechanized small repair operation of the sucker rod based on the vehicle-mounted workover rig according to claim 2, which is characterized in that: the elevator guide mechanism (13) is installed on the outer surface of the lower sliding rail (1.2), when the elevator (12) moves from bottom to top, firstly the elevator (12) moves upwards along the lowest end of the lower sliding rail (1.2), when the elevator guide mechanism (13) contacts the upper limit (1.2.1) of the lower sliding rail at the upper end of the lower sliding rail (1.2), the elevator (12) and the lower sliding rail (1.2) are relatively static, the big hook drives the elevator (12) and the lower sliding rail (1.2) to move upwards along the upper sliding rail (1.1) until the upper limit (1.1.1) of the upper sliding rail stops, and the process of the upward and downward movement is opposite to the process of the downward movement of the elevator (12).
4. The integrated equipment for mechanized small workover operations of the sucker rod based on the vehicle-mounted workover rig according to claim 1, which is characterized in that: a humanoid support (2) and a humanoid support adjusting mechanism (3) are installed inside a derrick of the vehicle-mounted workover rig (5), the humanoid support (2) is composed of a fixed support (2.1), a connecting rod (2.2), a sliding block (2.3) and a sliding support (2.4), the sliding block (2.3) is installed on a guide rail of an upper sliding rail (1.1), the humanoid support adjusting mechanism (3) is composed of a stepping motor (3.1), a lead screw (3.2) and a nut (3.3), the stepping motor (3.1) in the humanoid support adjusting mechanism (3) operates to drive the lead screw (3.2) to rotate, so that the nut (3.3) drives the sliding support (2.4) in the humanoid support (2) to move along a straight line, and further the vertical distance of the sliding block (2.3) relative to the fixed support (2.1) is changed to adjust the position of the sleeved telescopic guide rail (1) and the center so as to guarantee that a hanging coaxial line (12) and a wellhead are hung.
5. The integrated equipment for the mechanized small repair operation of the sucker rod based on the vehicle-mounted workover rig according to claim 2, which is characterized in that: the upper end of an upper sliding rail (1.1) of the sleeved telescopic guide rail (1) is hung on a derrick of a vehicle-mounted workover rig (5), the lower end of the upper sliding rail is connected with a flexible connecting rope (4.2) in a tensioning mechanism (4) through a well mouth and a tensioning winch (4.1) to be connected onto a well mouth guide connecting plate (6), the tensioning winch (4.1) adjusts the flexible connecting rope (4.2) on the well mouth connecting tensioning mechanism (4) to tension the sleeved telescopic guide rail (1), and the sleeved telescopic guide rail (1) is ensured not to swing in the minor overhaul process.
6. The integrated equipment for mechanized small workover operations of the sucker rod based on the vehicle-mounted workover rig according to claim 5, which is characterized in that: the outer side of a lower sliding rail (1.2) of the sleeved telescopic guide rail (1) is connected with an elevator guide mechanism (13), the elevator guide mechanism (13) comprises an elevator guide mechanism frame (13.1), elevator guide mechanism rollers (13.2) and elevator guide mechanism elevator connections (13.3), the outer side of the elevator guide mechanism frame (13.1) is provided with the elevator guide mechanism elevator connections (13.3), and the inner wall of the elevator guide mechanism frame (13.1) is provided with two rows of six elevator guide mechanism rollers (13.2); the elevator guide mechanism (13) rolls on the lower sliding rail (1.2) through two rows of six elevator guide mechanism rollers (13.2), and the elevator guide mechanism (13) is connected with the elevator, so that the elevator (12) can move along the telescopic guide rail (1) in a guiding mode.
7. The integrated equipment for mechanized small workover operations of the sucker rod based on the vehicle-mounted workover rig according to claim 1, which is characterized in that: base (9.1) installation suit telescopic link (9.2) of vertical catwalk of upset (9), telescopic link (9.2) are connected to the well head through well head positioning pin axle (7), well head guide connecting plate (6), adjust vertical catwalk of upset (9) and well head distance through vertical catwalk guiding mechanism (10) of upset on base (9.1), the lift arm centre gripping pipe pole upset back pipe pole lower extreme of guaranteeing vertical catwalk of upset (9) is just to well head center, realize the vertical catwalk of upset and rely on through the well head location.
8. The integrated equipment for mechanized small workover operations of the sucker rod based on the vehicle-mounted workover rig according to claim 7, which is characterized in that: the upset vertical catwalk (9) flexible connecting plate (6) is connected through well head positioning pin axle (7) in flexible connecting rod (9.2), install in the rectangular steel of base (9.1) of upset vertical catwalk (9) flexible connecting plate (9.2), the rectangular steel of base (9.1) plays flexible connecting rod (9.2) flexible guide effect simultaneously, well head guide connecting plate (6) pass through bolted connection on the big cross of well head, in order to reach and rely on well head location purpose, upset vertical catwalk (9) use well head positioning pin axle (7) to realize the upset action of upset vertical catwalk (9) as rotating the fulcrum.
9. The integrated equipment for mechanized small workover operations of the sucker rod based on the vehicle-mounted workover rig according to claim 1, which is characterized in that: the telescopic guide rail of suit (1) and upset vertical catwalk (9) all rely on well head location and installation, pipe or pole are to just well head center when guaranteeing vertical operation, realize vertical taking over, embolia pipe or pole upper portion and top tube or pole including the elevator and are to just low tube or pole, concrete operation: the center of the tail part of the vehicle-mounted workover rig (5) is over against the center of a wellhead, and the distance is adjusted; a derrick of the vehicle-mounted workover rig (5) is lifted, and an inner derrick is lifted; the sleeved telescopic guide rail (1) is lowered, the flexible connecting rope (4.2) is connected with a wellhead guide connecting plate (6), the wellhead connecting and tensioning mechanism (4) is adjusted through the tensioning winch (4.1) to be pre-tensioned, the lead screw (3.2) and the nut (3.3) are driven through the stepping motor (3.1), and the sleeved telescopic guide rail (1) is supported, so that when the elevator falls to the working table, the center of the elevator is opposite to the center of the wellhead; the clamping pipe or rod lifting arm of the turnover vertical catwalk (9) is turned over by 90 degrees, the center of the lower end pipe or rod is aligned with the center of a wellhead, the heights of 4 support legs (9.3) of a base (9.1) of the turnover vertical catwalk (9) are adjusted, the angle of the lifting arm is realized, and the elevator can be smoothly sleeved into the upper end of the pipe or rod.
10. A mechanized small repair operation integration process of a sucker rod for a vehicle-mounted workover rig using the equipment of any one of claims 1 to 9, characterized by comprising the following processes:
in a transportation state, the sleeved telescopic guide rail (1) and the turnover vertical catwalk (9) are installed in a derrick opening on the vehicle-mounted workover rig (5), one end of an upper sliding rail (1.1) of the sleeved telescopic guide rail (1) is hung on a derrick, and the other end of the upper sliding rail is connected with a wellhead guide connecting plate (6) through a wellhead connecting and tensioning mechanism (4); the slips and the upper shackle mechanism (11) are placed at the tail part of the vehicle-mounted workover rig (5), so that vehicle-mounted integration of the minor repair operation equipment of the sucker rod is realized;
after the vehicle-mounted workover rig (5) reaches a designated position, the derrick starts to lift under the action of the hydraulic cylinder, and the turnover vertical catwalk (9) lifts along with the derrick; after the vertical type well repairing machine is lifted in place, a winch on the vehicle-mounted well repairing machine (5) lifts the turnover vertical catwalk (9) to be placed downwards, the well mouth guide connecting plate (6) is connected with the large four-way connector after the vertical type well repairing machine reaches a preset position, meanwhile, the turnover vertical catwalk (9) is connected with the well mouth guide connecting plate (6) through a well mouth positioning pin shaft (7), after the turnover vertical type catwalk (9) is connected with a fulcrum, the winch continues to be placed downwards, and the turnover vertical type catwalk (9) turns over for 90 degrees by taking a connecting point of the well mouth positioning pin shaft (7) as the fulcrum; when the turnover vertical catwalk (9) is installed at a specified position, a winch is taken down from the turnover vertical catwalk (9), a wellhead catwalk positioning support plate (8) is installed, one end of the wellhead catwalk positioning support plate (8) is connected with a wellhead through a bolt, the other end of the wellhead catwalk positioning support plate is installed in a dovetail groove of a turnover vertical catwalk adjusting mechanism (10), and the front-back distance between the turnover vertical catwalk (9) and the center of the wellhead is adjusted through the turnover vertical catwalk adjusting mechanism (10); after finishing arranging of upset vertical catwalk (9), install elevator (12) and slips and go up break out mechanism (11), after the installation action is accomplished, adjust telescopic guide rail of suit (1), adjust humanoid support (2) height through humanoid support guiding mechanism (3), further adjust telescopic guide rail of suit (1) vertical direction angle in order to guarantee elevator (12) and well head equipment coaxial line, tensioning mechanism (4) begin the tensioning in order to fix slide rail (1.1) are connected to the well head, carry out the sucker rod minor repair operation after the adjustment of accomplishing telescopic guide rail of suit (1).
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| CN113530475B (en) * | 2021-07-16 | 2024-02-23 | 无锡智瀚智能机器技术有限公司 | Positioning mechanism, positioning seat, alignment mechanism for workover rig and workover rig |
| CN114033318A (en) * | 2021-11-16 | 2022-02-11 | 熊珍福 | Overturning workover rig with function of preventing gravity unbalance |
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Effective date of registration: 20211227 Address after: No. 51 Jiaxiang Road, Dongying District, Dongying City, Shandong Province Patentee after: SHENGLI OILFIELD KANGBEI PETROLEUM ENGINEERING & EQUIPMENT Co.,Ltd. Patentee after: Shengli College of China University of petroleum Address before: 257000 Ji'nan Road, Dongying District, Dongying, Shandong Province, No. 366 Patentee before: Shengli College China University of Petroleum |
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