CN104165032B - A kind of open coiled tubing infusion appliance and using method thereof - Google Patents

A kind of open coiled tubing infusion appliance and using method thereof Download PDF

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Publication number
CN104165032B
CN104165032B CN201410375931.XA CN201410375931A CN104165032B CN 104165032 B CN104165032 B CN 104165032B CN 201410375931 A CN201410375931 A CN 201410375931A CN 104165032 B CN104165032 B CN 104165032B
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China
Prior art keywords
coiled tubing
clamping
support frame
well
hydraulic
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CN201410375931.XA
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CN104165032A (en
Inventor
丁延柯
王志强
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DONGYING TIANHUA OIL TECHNOLOGY DEVELOPMENT Co Ltd
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DONGYING TIANHUA OIL TECHNOLOGY DEVELOPMENT Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/22Handling reeled pipe or rod units, e.g. flexible drilling pipes

Abstract

The invention discloses a kind of open coiled tubing infusion appliance and using method thereof, the continuous print combination of drive means that its technical scheme is made up of outer support frame and inner support frame, drive sprocket, clamping chain, driving motor, tensioning support wheel, clamping hydraulic cylinder, clamping contact roller, hydraulic tensioning cylinder, Weighing mechanism forms;Outer support frame undertakes the load of weight when driving means normally works and down-hole string, when driving means needs to depart from the coiled tubing worked at well, outer support frame provides unloading condition for driving means, the disengaging of the coiled tubing in working in completing " driving means " and well or clamping.Provide the benefit that: achieve coiled tubing while for delivered downhole fluid, infusion appliance can depart from the coiled tubing work in optional position in the middle part of coiled tubing, so not only increase utilization rate, and greatly facilitate replacing and the repairing of the most out of order infusion appliance.

Description

A kind of open coiled tubing infusion appliance and using method thereof
Technical field
The present invention relates to a kind of petroleum industry extracting device of oil and method, particularly to a kind of open coiled tubing infusion appliance and using method thereof.
Background technology
At present, existing coiled tubing is applied quite varied in oil field development, at oil well sand washing, gas lift liquid drainage induced flow, low-permeability oil deposit pressure break, the aerofluxus gas production of gas well, workover treatment, the fields such as drilling well demonstrate can Operating Pressure, working performance is high, mechanization degree is high, the advantages such as safety is good, it is described as omnipotent working rig by oil field people, exploitation along with coal bed gas, development with underground gasification coal-mining technique, existing continuous oil pipe device can not meet the requirement of novel technique, it is mainly manifested in: the chain of the well head running and pulling device of the current existing coiled tubing i.e. load bracing frame of coiled tubing infusion appliance and clamping coiled tubing is all enclosed construction, coiled tubing can only be longitudinally therethrough formula from the upper end of infusion appliance or lower end and pass, position beyond the end of coiled tubing laterally cannot be deviate from infusion appliance.The well infusion appliance thus making some life-time service coiled tubings inject fluid in down-hole cannot be taken off from the coiled tubing being chronically at duty, infusion appliance is chronically at the coiled tubings such as low, the hold facility of " leaving unused " status devices utilization rate and is deteriorated at well operational economy for a long time at well head, and technique popularization and application are restricted.
Summary of the invention
The purpose of the present invention is aiming at the drawbacks described above that prior art exists, a kind of open coiled tubing infusion appliance can taken off at any time or load onto and using method thereof are provided, not only increase utilization rate, and greatly facilitate replacing and the repairing of the most out of order infusion appliance.
nullThe one open coiled tubing infusion appliance that the present invention mentions,Including outer support frame (1)、Inner support frame (2)、Drive sprocket (3)、Clamping chain (4)、Drive motor (5)、Tensioning supports wheel (6)、Clamping hydraulic cylinder (7)、Clamping contact roller (8)、Hydraulic tensioning cylinder (9)、Weighing mechanism (10)、Gooseneck (11)、Browpiece (12)、Guy wire (13),Described outer support frame (1)、Inner support frame (2) composition load bracing frame,On described inner support frame (2), drive sprocket (3) is installed、Clamping chain (4)、Drive motor (5)、Clamping hydraulic cylinder (7)、Tensioning supports wheel (6)、Clamping contact roller (8)、Hydraulic tensioning cylinder (9)、Weighing mechanism (10) is formed and can be clamped by coiled tubing、Drive the core that coiled tubing moves up and down in well;Gooseneck (11) is installed on described outer support frame (1), and is fixed on the top of operation wellhead by browpiece (12) and guy wire (13), the load of coiled tubing in well when the weight of carrying coiled tubing driver and driver work;Described outer support frame (1) is provided with outer support frame opening port (D), and inner support frame (2) is provided with inner support frame opening port (B);Two groups drive motor (5) to drive two groups of clamping chains (4) to rotate by two sets drive sprocket (3) respectively, and clamping chain (4) inside is provided with clamping hydraulic cylinder (7), tensioning supports wheel (6), clamp contact roller (8) and hydraulic tensioning cylinder (9), described clamping chain (4) is provided with semi-circular recesses, and two sets clamping chain (4) are grouped together into clamping the circular clamping chain opening port (C) of coiled tubing.
Above-mentioned inner support frame opening port (B) is relative with clamping chain opening port (C), to facilitate from the coiled tubing abjection worked at well or to be again introduced into.
Above-mentioned outer support frame opening port (D) is located at the back side that gooseneck stretches out, to facilitate inner support frame abjection or to be again introduced into;Outer support frame (1) is fixed on above well head by browpiece (12) and guy wire (13), for bearing the ground coiled pipe device weight to well head coiled tubing, provides space for inner support frame clamping or disengaging coiled tubing.
The inner side of two groups of clamping chains (4) is respectively equipped with clamping hydraulic cylinder (7) and clamping contact roller (8), and the outside of clamping contact roller (8) contacts with clamping chain (4), and the inner side of clamping contact roller (8) contacts with clamping hydraulic cylinder (7);The outside of two groups of clamping chains (4) is respectively equipped with tensioning and supports wheel (6) and hydraulic tensioning cylinder (9), and described tensioning supports the outside of wheel (6) and contacts with clamping chain (4), and tensioning supports the inner side of wheel (6) and contacts with hydraulic tensioning cylinder (9).
The using method of the open coiled tubing infusion appliance that the present invention mentions, including following methods
nullIn open coiled tubing infusion appliance completes well coiled tubing rise or under task after,When needing coiled tubing in well to inject fluid or open flow downhole fluid for a long time,The pipe clamping device work of wellhead blowout preventor group,The load of coiled tubing in well is hung on pipe clamping device,Adjust ground coiled pipe device to the tension force of coiled tubing between well head gooseneck simultaneously,The weight making this section of coiled tubing is added on gooseneck (11),Now,One section of coiled tubing that open coiled tubing infusion appliance clamping chain (4) clamps is in free suspended state,Release the pressure of clamping hydraulic cylinder (7),Certain pressure is increased to hydraulic tensioning cylinder (9),The clamping chain opening port (C) of clamping chain (4) can be opened,The passage departing from clamping chain (4) is conceded to held coiled tubing,Now,The coiled tubing driving means using external force will be fixed on inner support frame (2) pulls out from the outer support frame opening port (D) of outer support frame (1),Just complete coiled tubing driving means and the disengaging of the coiled tubing of work in well;
When needing again to move up and down at the coiled tubing worked in well, first coiled tubing driving means is placed in the opening port edge of open coiled tubing infusion appliance outer support frame (1), release clamping hydraulic cylinder (7) interior pressure, hydraulic pressure is added to hydraulic tensioning cylinder (9), the opening port making clamping chain (4) is opened, inner support frame (2) is tried hard to recommend outside using, coiled tubing is made to enter clamping chain (4) through the inner support frame opening port (B) of inner support frame (2), adding hydraulic pressure to clamping hydraulic cylinder (7) makes clamping contact roller (8) promote clamping chain (4) to clamp coiled tubing again, unclamping pipe clamping device again makes in well the load transfer of coiled tubing to open coiled tubing infusion appliance, then, logical hydraulic pressure makes ground coiled pipe device work simultaneously, complete coiled tubing in well is removed work.
The invention has the beneficial effects as follows: so in the case of the basic functional principle not changing infusion appliance, achieve coiled tubing while for delivered downhole fluid by the structural shape and clamping chain position changing the bracing frame of infusion appliance, infusion appliance can coiled tubing optional position departs from work in the middle part of coiled tubing.So not only increase utilization rate, and greatly facilitate replacing and the repairing of the most out of order infusion appliance.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the present invention;
Accompanying drawing 2 is the profile of line A-A along Fig. 1;
Accompanying drawing 3 is the structure chart of a kind of embodiment of the well head fixed form of the outer support frame of the present invention;
In upper figure: outer support frame 1, inner support frame 2, drive sprocket 3, clamping chain 4, driving motor 5, tensioning support wheel 6, clamping hydraulic cylinder 7, clamping contact roller 8, hydraulic tensioning cylinder 9, Weighing mechanism 10, gooseneck 11, browpiece 12, guy wire 13, inner support frame opening port B, clamping chain opening port C, outer support frame opening port D.
Detailed description of the invention
In conjunction with accompanying drawing 1-3, the invention will be further described:
The one open coiled tubing infusion appliance that the present invention mentions, including outer support frame 1, inner support frame 2, drive sprocket 3, clamping chain 4, drive motor 5, tensioning supports wheel 6, clamping hydraulic cylinder 7, clamping contact roller 8, hydraulic tensioning cylinder 9, Weighing mechanism 10, gooseneck 11, browpiece 12, guy wire 13, described outer support frame 1, inner support frame 2 forms load bracing frame, on described inner support frame 2, drive sprocket 3 is installed, clamping chain 4, drive motor 5, clamping hydraulic cylinder 7, tensioning supports wheel 6, clamping contact roller 8, hydraulic tensioning cylinder 9, Weighing mechanism 10 is formed and can be clamped by coiled tubing, drive the core that coiled tubing moves up and down in well;On described outer support frame 1, gooseneck 11 is installed, the structure of described gooseneck is the cervical region of similar goose, the most protruding segment distance, and the top of operation wellhead it is fixed on by browpiece 12 and guy wire 13, the load of coiled tubing in well when the weight of carrying coiled tubing driver and driver work;Described outer support frame 1 is provided with outer support frame opening port D, and inner support frame 2 is provided with inner support frame opening port B;Two groups drive motor 5 to drive two groups of clamping chains 4 to rotate by two set drive sprockets 3 respectively, and clamping chain 4 inside is provided with clamping hydraulic cylinder 7, tensioning supports wheel 6, clamp contact roller 8 and hydraulic tensioning cylinder 9, described clamping chain 4 is provided with semi-circular recesses, and two set clamping chains 4 are grouped together into clamping the circular clamping chain opening port C of coiled tubing.
Above-mentioned inner support frame opening port B is relative with clamping chain opening port C, to facilitate from the coiled tubing abjection worked at well or to be again introduced into.
Above-mentioned outer support frame opening port D is located at the back side that gooseneck 11 stretches out, to facilitate inner support frame abjection or to be again introduced into;Outer support frame 1 is fixed on above well head by browpiece 12 and guy wire 13, for bearing the ground coiled pipe device weight to well head coiled tubing, provides space for inner support frame clamping or disengaging coiled tubing.
The inner side of two groups of clamping chains 4 is respectively equipped with clamping hydraulic cylinder 7 and clamping contact roller 8, and the outside of clamping contact roller 8 contacts with clamping chain 4, and the inner side of clamping contact roller 8 contacts with clamping hydraulic cylinder 7;The outside of two groups of clamping chains 4 is respectively equipped with tensioning and supports wheel 6 and hydraulic tensioning cylinder 9, and described tensioning supports the outside of wheel 6 and contacts with clamping chain 4, and tensioning supports the inner side of wheel 6 and contacts with hydraulic tensioning cylinder 9.
Outer support frame 1 has multiple way of realization: such as weight hanging;Stent-type, Jackstay type etc..The opening port B of inner support frame 2, can be long open type, it is also possible to be disassembly and assembly structure normally closed type.The opening port B of inner support frame 2, between two drive sprockets 3 and parallel with clamping chain 4.
The using method of the open coiled tubing infusion appliance that the present invention mentions, including following methods:
nullIn open coiled tubing infusion appliance completes well coiled tubing rise or under task after,When needing coiled tubing in well to inject fluid or open flow downhole fluid for a long time,The pipe clamping device work of wellhead blowout preventor group,The load of coiled tubing in well is hung on pipe clamping device,Adjust ground coiled pipe device to the tension force of coiled tubing between well head gooseneck simultaneously,The weight making this section of coiled tubing is added on gooseneck 11,Now,One section of coiled tubing of open coiled tubing infusion appliance clamping chain 4 clamping is in free suspended state,Release the pressure of clamping hydraulic cylinder 7,Certain pressure is increased to hydraulic tensioning cylinder 9,The clamping chain opening port C of clamping chain 4 can open,The passage departing from clamping chain 4 is conceded to held coiled tubing,Now,External force is used the coiled tubing driving means being fixed on inner support frame 2 to be pulled out from the outer support frame opening port D of outer support frame 1,Just complete the disengaging of coiled tubing driving means coiled tubing in work interior with well;
When needing again to move up and down at the coiled tubing worked in well, first coiled tubing driving means is placed in the opening port edge of open coiled tubing infusion appliance outer support frame 1, release pressure in clamping hydraulic cylinder 7, hydraulic pressure is added to hydraulic tensioning cylinder 9, the opening port making clamping chain 4 is opened, inner support frame 2 is tried hard to recommend outside using, coiled tubing is made to enter clamping chain 4 through the inner support frame opening port B of inner support frame 2, adding hydraulic pressure to clamping hydraulic cylinder 7 makes clamping contact roller 8 promote clamping chain 4 to clamp coiled tubing again, unclamping pipe clamping device again makes in well the load transfer of coiled tubing to open coiled tubing infusion appliance, then, logical hydraulic pressure makes ground coiled pipe device work simultaneously, complete coiled tubing in well is removed work.

Claims (4)

  1. null1. an open coiled tubing infusion appliance,It is characterized in that: include outer support frame (1)、Inner support frame (2)、Drive sprocket (3)、Clamping chain (4)、Drive motor (5)、Tensioning supports wheel (6)、Clamping hydraulic cylinder (7)、Clamping contact roller (8)、Hydraulic tensioning cylinder (9)、Weighing mechanism (10)、Gooseneck (11)、Browpiece (12)、Guy wire (13),Described outer support frame (1)、Inner support frame (2) composition load bracing frame,On described inner support frame (2), drive sprocket (3) is installed、Clamping chain (4)、Drive motor (5)、Clamping hydraulic cylinder (7)、Tensioning supports wheel (6)、Clamping contact roller (8)、Hydraulic tensioning cylinder (9)、Weighing mechanism (10) is formed and can be clamped by coiled tubing、Drive the core that coiled tubing moves up and down in well;Gooseneck (11) is installed on described outer support frame (1), and is fixed on the top of operation wellhead by browpiece (12) and guy wire (13), the load of coiled tubing in well when the weight of carrying coiled tubing driver and driver work;Described outer support frame (1) is provided with outer support frame opening port (D), and inner support frame (2) is provided with inner support frame opening port (B);Two groups drive motor (5) to drive two groups of clamping chains (4) to rotate by two sets drive sprocket (3) respectively, and clamping chain (4) inside is provided with clamping hydraulic cylinder (7), tensioning supports wheel (6), clamp contact roller (8) and hydraulic tensioning cylinder (9), described clamping chain (4) is provided with semi-circular recesses, and two sets clamping chain (4) are grouped together into clamping the circular clamping chain opening port (C) of coiled tubing;
    The inner side of two groups of clamping chains (4) is respectively equipped with clamping hydraulic cylinder (7) and clamping contact roller (8), and the outside of clamping contact roller (8) contacts with clamping chain (4), and the inner side of clamping contact roller (8) contacts with clamping hydraulic cylinder (7);The outside of two groups of clamping chains (4) is respectively equipped with tensioning and supports wheel (6) and hydraulic tensioning cylinder (9), and described tensioning supports the outside of wheel (6) and contacts with clamping chain (4), and tensioning supports the inner side of wheel (6) and contacts with hydraulic tensioning cylinder (9).
  2. Open coiled tubing infusion appliance the most according to claim 1, is characterized in that: described inner support frame opening port (B) is relative with clamping chain opening port (C), to facilitate from the coiled tubing abjection worked at well or to be again introduced into.
  3. Open coiled tubing infusion appliance the most according to claim 1, is characterized in that: described outer support frame opening port (D) is located at the back side that gooseneck stretches out, to facilitate inner support frame abjection or to be again introduced into;Outer support frame (1) is fixed on above well head by browpiece (12) and guy wire (13), for bearing the ground coiled pipe device weight to well head coiled tubing, provides space for inner support frame clamping or disengaging coiled tubing.
  4. 4. use a using method for as above open coiled tubing infusion appliance according to any one of claim 1-3, it is characterized in that including following methods:
    nullIn open coiled tubing infusion appliance completes well coiled tubing rise or under task after,When needing coiled tubing in well to inject fluid or open flow downhole fluid for a long time,The pipe clamping device work of wellhead blowout preventor group,The load of coiled tubing in well is hung on pipe clamping device,Adjust ground coiled pipe device to the tension force of coiled tubing between well head gooseneck simultaneously,The weight making this section of coiled tubing is added on gooseneck (11),Now,One section of coiled tubing that open coiled tubing infusion appliance clamping chain (4) clamps is in free suspended state,Release the pressure of clamping hydraulic cylinder (7),Certain pressure is increased to hydraulic tensioning cylinder (9),The clamping chain opening port (C) of clamping chain (4) can be opened,The passage departing from clamping chain (4) is conceded to held coiled tubing,Now,The coiled tubing driving means using external force will be fixed on inner support frame (2) pulls out from the outer support frame opening port (D) of outer support frame (1),Just complete the disengaging of coiled tubing driving means coiled tubing in work interior with well;
    When needing again to move up and down at the coiled tubing worked in well, first coiled tubing driving means is placed in the opening port edge of open coiled tubing infusion appliance outer support frame (1), release clamping hydraulic cylinder (7) interior pressure, hydraulic pressure is added to hydraulic tensioning cylinder (9), the opening port making clamping chain (4) is opened, inner support frame (2) is tried hard to recommend outside using, coiled tubing is made to enter clamping chain (4) through the inner support frame opening port (B) of inner support frame (2), adding hydraulic pressure to clamping hydraulic cylinder (7) makes clamping contact roller (8) promote clamping chain (4) to clamp coiled tubing again, unclamping pipe clamping device again makes in well the load transfer of coiled tubing to open coiled tubing infusion appliance, then, logical hydraulic pressure makes ground coiled pipe device work simultaneously, complete coiled tubing in well is removed work.
CN201410375931.XA 2014-08-01 2014-08-01 A kind of open coiled tubing infusion appliance and using method thereof Active CN104165032B (en)

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CN201410375931.XA CN104165032B (en) 2014-08-01 2014-08-01 A kind of open coiled tubing infusion appliance and using method thereof
CN201610660366.0A CN106150408B (en) 2014-08-01 2014-08-01 A kind of open coiled tubing injector

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CN108708681B (en) * 2015-08-26 2019-09-24 泉州台商投资区春凯机械科技有限公司 The equipment of operation and control continuous oil pipe operation

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US5775417A (en) * 1997-03-24 1998-07-07 Council; Malcolm N. Coiled tubing handling apparatus
US6173769B1 (en) * 1998-04-30 2001-01-16 Hydra Rig, Inc. Universal carrier for grippers in a coiled tubing injector
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CN204126573U (en) * 2014-08-01 2015-01-28 东营天华石油技术开发有限公司 A kind of open coiled tubing injector

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US5309990A (en) * 1991-07-26 1994-05-10 Hydra-Rig, Incorporated Coiled tubing injector
US5775417A (en) * 1997-03-24 1998-07-07 Council; Malcolm N. Coiled tubing handling apparatus
US6173769B1 (en) * 1998-04-30 2001-01-16 Hydra Rig, Inc. Universal carrier for grippers in a coiled tubing injector
CN201650165U (en) * 2010-02-08 2010-11-24 中国石化集团江汉石油管理局第四机械厂 Clamp device of injection head continuous oil pipe
CN102199998A (en) * 2011-06-16 2011-09-28 中国石油天然气股份有限公司 Injection head device of continuous oil pipe
CN203008825U (en) * 2012-11-14 2013-06-19 中国石油天然气集团公司 Injection head support
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CN106150408B (en) 2018-12-18
CN104165032A (en) 2014-11-26

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