CN112211574B - Gang drill column method of pushing-supporting type column treatment equipment under top-drive-free working condition - Google Patents
Gang drill column method of pushing-supporting type column treatment equipment under top-drive-free working condition Download PDFInfo
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- CN112211574B CN112211574B CN202011041054.4A CN202011041054A CN112211574B CN 112211574 B CN112211574 B CN 112211574B CN 202011041054 A CN202011041054 A CN 202011041054A CN 112211574 B CN112211574 B CN 112211574B
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- drill string
- drill
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- manipulator
- hook
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
- E21B19/04—Hooks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a gang drill column method of pushing-supporting type column treatment equipment under a top-drive-free working condition, which mainly comprises the following process flows: step 1, connecting a hook below a traveling block of a push-type tubular column treatment system; step 2, lifting the drill string away from the drill table surface through a large hook by utilizing a winch, and placing a drill table pushing arm at the lower end of the drill string to prepare for the work of arranging the drill string; step 3, pushing and supporting the lower end of the drill string to the position of the gang drill string by adopting a drill floor pushing and supporting arm; step 4, the hook is dropped through the traveling block, and the lower end of the drill string is dropped to the vicinity of the designated position; and 5, moving the pulley assembly of the mechanical arm to the inner side of the track, extending the mechanical arm assembly, and supporting the upper end of the drill string through the clamp head. And 6, the hook falls down again, the lower end of the drill string is placed in place, and meanwhile, the manipulator is operated to place the upper end of the drill string to the position of the drill string row specified by the racking platform. According to the invention, through twice falling of the large hook, the offset of the upper end of the drill string in the row drill string process is effectively controlled, and the reliability of the row drill string process is improved.
Description
Technical Field
The invention belongs to the technical field of petroleum machinery manufacturing, and particularly relates to a gang drill column method of pushing-supporting type column treatment equipment under a top-drive-free working condition.
Background
According to different types of grabbing a drill string by a manipulator of an oil rig, the pipe string treatment equipment can be generally divided into a suspension type pipe string treatment equipment and a pushing type pipe string treatment equipment, wherein the manipulator of the suspension type pipe string treatment equipment can vertically grab the drill string and transfer the drill string to a designated position, and the manipulator mainly bears the vertical gravity of the drill string without lateral additional force in the process of arranging the drill string; while the manipulator of the push-type string handling device only holds the upper end of the drill string during the course of drilling the string, the inclined drill string exerts a lateral force on the manipulator that is typically counteracted by the supporting force provided by the top drive of the rig arrangement and its guide rails.
Part of in-service drilling rigs of oil fields have the need of upgrading the pushing type tubular column automatic processing system, but are not provided with a top drive system. In order to avoid the problems of overlarge investment and the like, manufacturers of pushing-supporting type automatic tubular column processing equipment often do not configure a top drive system in the designed and manufactured in-plant test device. When the drill floor pushes the arm to push the lower end of the drill string, lateral force is generated on the traveling crane system by the upper end of the drill string, the traveling crane system is pushed away from the wellhead, the mechanical arm loses the position for grabbing the drill string, and overload damage of the mechanical arm can be caused by serious conditions. Aiming at the situations, researches on the using method of pushing-supporting type tubular column treatment equipment under the non-top-drive working condition are urgently needed, and the non-top-drive row drilling method is mastered.
Disclosure of Invention
The invention aims to provide a gang drill column method for pushing a supporting type column treatment device under a top-drive-free working condition, which can realize the gang drill column under the top-drive-free working condition and is simple to operate.
The technical scheme adopted by the invention is as follows: a gang drill column method of pushing-supporting type column treatment equipment under a top-drive-free working condition is carried out by adopting the following devices:
the hydraulic elevator is hung at the bottom of the lifting ring and can be connected with a drill string, the hydraulic elevator also comprises a drill floor pushing arm and a winch which are arranged on a drill floor of a drill machine base, the top of the drill machine is provided with a crown block, and the winch, the crown block and the crown block are connected through a drilling steel wire rope;
the drilling machine derrick further comprises a racking platform arranged at the front side of the drilling machine derrick, a manipulator is arranged at the top of the racking platform and consists of a clamp head, a mechanical arm assembly, a pulley assembly and a track, a pulley assembly is arranged on the rail, a mechanical arm assembly is arranged on the pulley assembly, and a clamp head for supporting a drill string is fixedly connected to one end of the mechanical arm assembly, which is far away from the rail;
the drill string arranging method is implemented according to the following process flows:
step 1, a large hook is connected below a traveling block of a pushing and supporting type pipe column treatment system, a hanging ring is hung below the large hook, and a hydraulic elevator is hung below the hanging ring;
step 2, lifting the drill string away from the drill floor by utilizing a winch through a large hook, a hanging ring and a hydraulic elevator, and placing a drill floor pushing arm at the lower end of the drill string to prepare for the work of arranging the drill string;
step 3, pushing and supporting the lower end of the drill string to the position of the gang drill string by adopting a drill floor pushing and supporting arm;
step 4, the hook is dropped through the traveling block, and the lower end of the drill string is dropped to the vicinity of the designated position;
step 5, a pulley assembly of the mechanical arm moves to the inner side of the track, the mechanical arm assembly stretches out, and the upper end of the drill string is supported through the clamp head;
and 6, the hook falls down again, the lower end of the drill string is placed in place, the drill floor pushes the supporting arm to retract, and meanwhile, the manipulator is operated to place the upper end of the drill string to the designated drill string position of the double-deck, so that the drill string arranging process under the working condition without top driving is completed.
The technical proposal adopted by the invention is also characterized in that,
after the big hook falls for the first time, the offset distance of the upper end of the drill string is within the acceptable range of the manipulator, the manipulator supports the upper end of the drill string, and then the big hook falls for the second time.
In the step 2, the distance between the drill stem and the table surface after the drill stem is lifted off the drill table surface is 50-100 mm.
The designated position in the step 4 is a position 1-10 mm away from the drilling platform surface.
And 5, after the upper end of the drill string is supported by the clamp head, the drill string is in a three-force balance state, and the drill string is subjected to self gravity, lifting force of the traveling crane system and pushing force of the drill floor pushing arm, wherein the pushing force of the drill floor pushing arm is mutually perpendicular to the drill string.
And (3) calibrating the motion path process of the steps 1-6 through a program of an electrical control system, so that automatic operation of the drill string arranging work can be realized.
The beneficial effects of the invention are as follows: the invention discloses a gang drill column method of pushing-supporting type column treatment equipment under a top-drive-free working condition, which realizes the function of no top-drive gang drill column and provides a solution for upgrading an in-service drilling machine without a top drive to realize pushing-supporting type column automatic treatment system. Specifically, through twice falling of the large hook, the deviation of the upper end of the drill string is controlled within the grippable range of the manipulator, the working process of arranging the pipe strings without top driving is met, a set of feasible method for arranging the drill strings is formed, automatic operation can be realized after program calibration of a control system, and the method realizes the technological process and the functional requirements of arranging the drill strings of the pushing type pipe string processing equipment without top driving.
Drawings
FIG. 1 is a gang drill string equipment diagram of a push-up string handling system under conventional conditions;
FIG. 2 is a schematic diagram of a gang drill string apparatus of the push-up string treatment system of the present invention without top drive;
FIG. 3 is a robotic view of a push-type string handling system;
FIG. 4 is a flow chart of a gauntlet of a push-type tubular column handling apparatus without top drive in accordance with the present invention;
FIG. 5 is a graph of the force diagram of a conventional test method gripping a drill string;
figure 6 is a graph of the force diagram of the test method of the present invention as it grips the drill string.
In the figure: 1. the hydraulic lifting device comprises a traveling block, a large hook, a lifting ring, a hydraulic lifting card, a drill string, a drill floor pushing arm, a winch, a crown block, a drilling steel wire rope, a racking platform, a manipulator, a track, a pulley assembly, a mechanical arm assembly, a clamp head, a top drive guide rail and a top drive.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1, the gang drill string device of the existing push-up type string treatment system comprises: the traveling block 1, top drive guide rail 16, top drive 17, rings 3, hydraulic elevator 4, the rig floor pushes away and holds up arm 6, winch 7, crown block 8, drilling wire rope 9, the racking platform 10 and manipulator 11, the traveling block system includes traveling block 1, top drive guide rail 16 and top drive 17, the bottom of top drive 17 is equipped with top drive guide rail 16, top drive 17 is connected with traveling block 1, the effect of top drive guide rail 16 is to support top drive 17, offset the side force of top drive 17 under the effect of drilling string 5, top drive 17 hangs rings 3 and hydraulic elevator 4, hydraulic elevator 4 links to each other with top drive 17 through rings 3, hydraulic elevator 4 can realize long-range opening and shutting, the ingress and egress of drilling string 5 of being convenient for, be provided with rig floor on the rig floor of rig floor and push up arm 6 and winch 7, the rig roof is provided with crown block 8, winch 7, crown block 8 and traveling block 1 pass through crown block 9 and connect, wherein winch 7 provides power for the traveling block 5's traveling block system through crown block 8, wire rope 9, traveling block 1 carries out elevating movement under the effect of winch 7.
Conventional test gang drilling method (under top drive condition): the winch 7 firstly lifts the drill string 5 out of the drilling platform surface through the traveling crane system, the drill platform pushing arm 6 pushes the lower end of the drill string 5 to the position of the drill string to be arranged, the top drive 17 falls down to enable the lower end of the drill string 5 to be placed on the drilling platform surface, the manipulator 11 stretches out to grasp the upper end of the drill string 5, the hydraulic elevator 4 is opened, and the manipulator 11 sends the upper end of the drill string 5 into the drill string arranging position of the racking platform 10 to complete the drill string arranging process.
As shown in fig. 2, the pushing and supporting type tubular column treatment equipment under the working condition without top driving is connected in the same way as a conventional working condition pushing and supporting type tubular column treatment system except a traveling crane system, wherein the traveling crane system comprises a traveling crane 1, a large hook 2, a hanging ring 3 and a hydraulic elevator 4, the large hook 2 is connected below the traveling crane 1, the hanging ring 3 is hung below the large hook 2, and the hydraulic elevator 4 is hung below the hanging ring 3.
As shown in fig. 3, the manipulator 11 is composed of a clamp head 15, a mechanical arm assembly 14, a pulley assembly 13 and a track 12, the pulley assembly 13 is mounted on the track 12, the mechanical arm assembly 14 is mounted on the pulley assembly 13, one end of the mechanical arm assembly 14, which is far away from the track 12, is fixedly connected with the clamp head 15, the clamp head 15 is used for supporting the drill string 5, the mechanical arm assembly 14 can extend and retract, the pulley assembly 13 can move along the track 12, and the upper end of the drill string 5 can be pushed into a designated calandria position of the racking platform 10 under the combined action of the mechanical arm assembly 14 and the pulley assembly 13.
As shown in fig. 4, the invention relates to a method for arranging drill columns of a pushing-supporting type column treatment device under a top-drive-free working condition, which comprises the following steps:
step 1, a large hook 2 is connected below a traveling block 1 of a pushing and supporting type tubular column processing system, a hanging ring 3 is hung below the large hook 2, and a hydraulic elevator 4 is hung below the hanging ring 3;
step 2, lifting the drill string 5 away from the drill floor by 50-100 mm through the large hook 2, the hanging ring 3 and the hydraulic elevator 4 by utilizing the winch 7, placing the drill floor pushing arm 6 at the lower end of the drill string 5, and preparing for drill string arrangement work;
step 3, pushing and supporting the lower end of the drill string 5 to a drill string arranging position by adopting a drill floor pushing and supporting arm 6 (shown in fig. 4 a-4 b);
and 4, the hook 2 is fallen through the traveling block 1, the lower end of the drill string 5 is fallen to the vicinity of the designated position, and the distance from the drill table surface is about 1-10 mm (as shown in fig. 4 c).
In step 5, the pulley assembly 13 of the manipulator 11 is moved to the inner side of the track 12, the mechanical arm assembly 14 extends out, and the upper end of the drill string 5 is supported by the clamp head 15 (as shown in fig. 4 d).
Step 6, the hook 2 falls down again, the lower end of the drill string 5 is put in place, the drill floor pushing arm 6 is retracted, and the manipulator 11 is operated to put the upper end of the drill string 5 to the drill string position designated by the racking platform 10 (as shown in fig. 4 e).
And 7, calibrating the motion path process in the steps 1 to 6 through a program of an electrical control system, so that the automatic operation of the drill string arranging work is realized next time.
The hook 2 falls down twice, after the hook 2 falls down for the first time, the hook 2 bears all the weight of the drill string 5, the offset distance of the upper end of the drill string 5 is within the acceptable range of the manipulator 11, the manipulator 11 supports the upper end of the drill string 5, and then the hook 2 falls down for the second time.
As shown in fig. 5, a conventional test method diagram is shown, as shown in fig. 6, a diagram is shown when a drill string is grabbed under the working condition without top drive, in the diagram, an O point is a theoretical suspension point of a traveling crane system and coincides with a wellhead central line, as shown in fig. 5, a manipulator 11 is arranged on a drill floor surface before grabbing the upper end of the drill string 5, the drill string 5 receives a ground supporting reaction force F3, a lifting force F2 of the traveling crane system and a gravity G of the drill string 5, and three-force extension lines are intersected with the O1 point according to a three-force balance principle of a rod; when the conventional test process method is adopted under the non-top-drive working condition, under the condition that the top-drive guide rail 16 is not limited, the point A at the upper end of the drill string 5 runs to the left side of the suspension point O, and the point A is far away from the position of the manipulator 11, so that the manipulator 11 cannot grasp the drill string 5, and therefore, the conventional process method is not feasible for arranging the drill string under the non-top-drive working condition.
The principle of the test method of the invention is shown in fig. 6, the manipulator 11 is before grabbing the upper end of the drill string 5, the lower end of the drill string 5 is not contacted with the drill table, the drill string 5 is subjected to the supporting force F1 (vertical to the drill string) of the drill table supporting arm 6, the gravity G of the drill string 5 and the lifting force F2 of the floating system, the three-force extension line is intersected with the point O2, the point A of the upper end of the drill string 5 is positioned on the right side of the hanging point O, the point A is closer to the manipulator 11, and the manipulator 11 is easier to grab the upper end of the drill string 5 at the moment, so the method of the invention is feasible.
According to the method for arranging the drill columns of the pushing and supporting type pipe column treatment equipment under the working condition of no top drive, the deviation of the upper end of the drill column 5 can be controlled within the grippable range of the manipulator 11 through twice falling of the hook 2 under the working condition of no top drive, so that the process of arranging the drill columns is completed safely and effectively, automatic operation can be realized after program calibration of the control system, and the method is reliable.
Claims (4)
1. The gang drill column method of the pushing and supporting type column treatment equipment under the working condition without top drive is characterized by comprising the following steps of:
the hydraulic lifting device comprises a swimming lifting system, wherein the swimming lifting system comprises a travelling crane (1), a big hook (2) is arranged at the bottom of the travelling crane (1), a lifting ring (3) is hung at the bottom of the big hook (2), a hydraulic lifting card (4) is hung at the bottom of the lifting ring (3), the hydraulic lifting card (4) can be connected with a drill string (5), a drill floor pushing arm (6) and a winch (7) are arranged on a drill floor of a drill machine base, a crown block (8) is arranged at the top of the drill machine, and the winch (7), the crown block (8) and the travelling crane (1) are connected through a drilling steel wire rope (9);
the drilling machine derrick comprises a drilling machine derrick, and is characterized by further comprising a racking platform (10) arranged on the front side of the drilling machine derrick, wherein a manipulator (11) is arranged at the top of the racking platform (10), the manipulator (11) consists of a clamp head (15), a manipulator assembly (14), a pulley assembly (13) and a track (12), the pulley assembly (13) is arranged on the track (12), the manipulator assembly (14) is arranged on the pulley assembly (13), and one end, far away from the track (12), of the manipulator assembly (14) is fixedly connected with the clamp head (15) for supporting a drill string (5);
the gang drill column method is implemented according to the following process flow:
step 1, connecting a big hook (2) below a traveling block (1) of a pushing and supporting type tubular column treatment system, hanging a hanging ring (3) below the big hook (2), and hanging a hydraulic elevator (4) below the hanging ring (3);
step 2, lifting the drill string (5) away from the drill table surface through the big hook (2), the lifting ring (3) and the hydraulic elevator (4) by utilizing the winch (7), and placing the drill table pushing arm (6) at the lower end of the drill string (5) to prepare for drill string arrangement work;
step 3, pushing and supporting the lower end of the drill string (5) to a row drill string position by adopting a drill floor pushing and supporting arm (6);
step 4, the hook (2) is fallen through the traveling block (1), and the lower end of the drill string (5) is fallen to the vicinity of the designated position;
step 5, a pulley assembly (13) of a manipulator (11) moves to the inner side of a track (12), a mechanical arm assembly (14) stretches out, and the upper end of a drill string (5) is supported through a clamp head (15);
step 6, the hook (2) falls down again, the lower end of the drill string (5) is placed in place, the drill floor pushing arm (6) is retracted, and meanwhile the manipulator (11) is operated to place the upper end of the drill string (5) to the drill string arranging position appointed by the racking platform (10), namely, the drill string arranging process under the condition of no top driving is completed;
after the upper end of the drill string (5) is supported by the clamp head (15) in the step (5), the drill string (5) is in a three-force balance state, the drill string (5) receives self gravity, lifting force of a traveling crane system and pushing force of a drill floor pushing arm (6), and the pushing force of the drill floor pushing arm (6) is perpendicular to the drill string (5);
and (3) calibrating the motion path process of the steps 1-6 through a program of an electrical control system, so that automatic operation of the drill string arranging work can be realized.
2. The method for arranging drill columns of the push-support type pipe column treatment equipment under the top-drive-free working condition according to claim 1, wherein after the big hook (2) falls for the first time, the offset distance of the upper end of the drill column (5) is within the acceptable range of the manipulator (11), the manipulator (11) supports the upper end of the drill column (5), and then the big hook (2) falls for the second time.
3. The method for arranging drill columns of the pushing-supporting type pipe column treatment equipment under the top-drive-free working condition according to claim 1, wherein the distance between the drill column (5) and the table surface after being lifted off the table surface in the step 2 is 50-100 mm.
4. The method for arranging drill columns of the pushing-supporting type pipe column treatment equipment under the top-drive-free working condition according to claim 1, wherein the designated position in the step 4 is a position 1-10 mm away from a drill table surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011041054.4A CN112211574B (en) | 2020-09-28 | 2020-09-28 | Gang drill column method of pushing-supporting type column treatment equipment under top-drive-free working condition |
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| CN202011041054.4A CN112211574B (en) | 2020-09-28 | 2020-09-28 | Gang drill column method of pushing-supporting type column treatment equipment under top-drive-free working condition |
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| CN112211574B true CN112211574B (en) | 2023-08-29 |
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| CN112983314B (en) * | 2021-05-14 | 2021-09-03 | 胜利油田胜机石油装备有限公司 | Quick assembling and disassembling method for water faucet in workover operation and combined manipulator |
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