CN105239957A - Expanded tube leaking stoppage device capable of being assembled and released - Google Patents
Expanded tube leaking stoppage device capable of being assembled and released Download PDFInfo
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- CN105239957A CN105239957A CN201510715529.6A CN201510715529A CN105239957A CN 105239957 A CN105239957 A CN 105239957A CN 201510715529 A CN201510715529 A CN 201510715529A CN 105239957 A CN105239957 A CN 105239957A
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- tubing string
- container bag
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Abstract
The invention provides an expanded tube leaking stoppage device capable of being assembled and released. The expanded tube leaking stoppage device comprises a drill pipe connecting device, a releasing device and an expanded tubular column, wherein the head and the tail of the drill pipe connecting device are connected with each other in the up-down direction; the drill pipe connecting device is a hollow tube; the expanded tubular column is coaxially provided with an assembling grouting tubular column; the upper end of the assembling grouting tubular column is connected to the expanded tubular column through a grouting tubular column joint; the lower end of the assembling grouting tubular column is mounted on a flexible freight bag fixing base; a flexible freight bag sleeves the assembling grouting tubular column; the upper end and the lower end of the flexible freight bag are fixed through a flexible freight bag coupling and a flexible freight bag fixing base respectively; the lower portion of the flexible freight bag fixing base is connected with a guiding shoe; a plurality of sieve holes are uniformly distributed in the assembling grouting tubular column; and the flexible freight bag is wound on the assembling grouting tubular column via a water-sensitive wire. By the expanded tube leaking stoppage device capable of being assembled and released, injected solidifiable leaking stoppage materials can be solidified in limited space, a karst cave structure is modified, and a supporting body with required height, a certain diameter and certain strength is established on a channel in which a well track penetrates.
Description
Technical field
The present invention relates to petroleum drilling engineering field, assemble the releasable pipe plug leakage device that expands particularly for solution cavity and the leak stopping of flowing water solution cavity.
Background technology
In Process of Oil Well Drilling, running into tomography, large-scale crack and solution cavity once bore, will there is serious leakage in drilling fluid, and the leakage mistake usually showing as drilling fluid is returned.Bridge slurry leak stopping for this type of leakage routine does not have effective, the most frequently used method to be exactly that cement injection or cement paste mix other loss circulation material leak stopping; But adopt the success rate of this existing cemented leak stopping not only operation not high on the solution cavity had under regimen condition and underground river, need repeated multiple times operation just can reach certain effect, and duty cycle is long, the expense produced is large, does not sometimes also reach the effect recovering circulation, therefore, the circulation canal of drilling fluid how is set up when creeping into these large underground cavities, recovering the normal circulation of drilling fluid, drillng operation is proceeded, is comparatively stubborn problem when creeping into Karst Cave Formation at present.
" built in bag type leaking stoppage apparatus " (Chinese Patent Application No.: 200320114902.5) this invention belongs to sealing in well-drilling borehole and packing device, comprises top connection, outer sleeve, guide shoe, inner sleeve, sealing block set, piston ring and landing net.Top connection hypomere is connected with outer sleeve epimere, and outer sleeve hypomere contacts with guide shoe upper surface.Inner sleeve epimere is connected with top connection hypomere, and sealing block set is contained in guide shoe endoporus epimere, and its epimere is combined with inner sleeve hypomere, connects between the two with pin, with pin between sealing block set and guide shoe; Lining is contained in outside inner sleeve hypomere.Piston ring is contained between outer sleeve above lining and inner sleeve.Lining is contained in outside the inner sleeve above piston ring.Landing net is contained between piston ring lower end and guide shoe epimere.
" bag type pluging leaking device " (Chinese Patent Application No.: 2003249919.1) this invention be a kind of by relieving mechanism, pressure relief mechanism and leak stopping mechanism form for solving the leak stoppage tool adopting bridge joint filler or leak-stopping cement mortar to carry out the larger crack of shutoff opening size.
" boring and well drilling intercept type leak stoppage tool " (Chinese Patent Application No.: 200920292863.5) this invention is a kind of boring and well drilling intercept type leak stoppage tool, its interception bag increases gradually because of leak stopping slurries, interception bag sinks, tackle bag after promoting drilling rod to come off from interception bag joint, lateral expansion in deadweight situation, reaches plugging effect.
" the bag type pluging leaking device Research and test " of " oil drilling technology " periodical the 3rd phase in 1991 upper publication, this easy bag type pluging leaking device is primarily of tool joint, screen casing, leak stoppage bag, rubber guard ring and wooden footwear composition, during leak stopping, instrument is connected with drill string and is lowered into down-hole, in drilling tool, inject leak-stopping cement mortar, enter leak stoppage bag by screen casing.
The fixed form of several its leak stoppage bag of bag type pluging leaking device does not have security and stability, often loosely reduces leak stopping success rate because of fixing; Without anti-backflow device, as injected too much because calculating inaccurate leak stopping slurry, leak stoppage bag will be caused to break; Without special device of slipping out of the hand, ensure underground work safety; Leak stoppage bag is without automatic releasing device, for ensure under leak stoppage bag safety to drop ply can not under to enter in process destroyed, leak stoppage bag need be fixed on slip casting tubing string, if do not have automatic releasing device that leak stoppage bag may be caused not open completely affect plugging effect, and the length scale of leak stoppage tool can not regulate according to actual needs; After leak stoppage bag is slipped out of the hand, inner without supporting, in leak stopping slurry deadweight situation, easily cause running pulp in lateral expansion Process of Leaking Stoppage, reduce leak stopping slurry concentration, finally affect plugging effect.
Summary of the invention
The object of the present invention is to provide a kind of tubing string that expands for solution cavity leak stopping, for prior art defect, and the severe mud losses situation such as solution cavity, flowing water solution cavity, design a kind ofly can automatically to discharge, safety is slipped out of the hand, anti counter-flowing and assemblnig be specifically designed to solution cavity and flowing water solution cavity expand tubing string leak stoppage tool, be characterized in that the solidifiable loss circulation material that can make injection solidifies in restricted clearance, solution cavity structure is modified, and the passage passed at well track sets up the supporter of desired height and certain diameter and some strength.
Technical scheme of the present invention is achieved in that
One can assemble the releasable pipe plug leakage device that expands, comprise head and the tail up and down connect and in the drill rod connecting device 1 of hollow section, slip out of the hand device 5 and the tubing string 10 that expands, the described tubing string 10 that expands coaxially installs sectional slip casting tubing string 15, and sectional slip casting tubing string 15 upper end is connected to by Grouting Pipe column joint 14 and expands on tubing string 10, lower end is arranged on container bag firm banking 20 by Grouting Pipe column joint 19; Described sectional slip casting tubing string 15 overcoat has container bag 17, and the two ends up and down of described container bag 17 are fixed respectively by container bag box cupling 13 and container bag firm banking 20, and described container bag firm banking 20 bottom is connected with guide shoe 21; Described sectional slip casting tubing string 15 is evenly distributed with some sieve apertures 16, and described container bag 17 is wrapped on sectional slip casting tubing string 15 by water-sensitive silk 18.
Further, the drilling rod taper joint 3 that described drill rod connecting device 1 top is arranged is linked by screw thread and drilling rod, and the holder bracelet connection box 4 that described drill rod connecting device 1 bottom is arranged is connected pin thread 6 by screw thread with the ring of slipping out of the hand of slipping out of the hand on device 5 and connects.
Further, described in device 5 inside of slipping out of the hand backflow preventer 7 is set, have a ring 8 of slipping out of the hand below backflow preventer 7.
Further, described device of slipping out of the hand (5) below has a slip casting tubing string to connect pin thread (9), can by expand the slip casting tubing string of tubing string (10) upper end connect box (12) will slip out of the hand device (5) with expand tubing string (10) and be connected.
Further, be connected to after the described sectional slip casting tubing string 15 expanded in the middle of tubing string 10 can select many sectional slip casting tubing strings 15 to be connected by hickey as required and expand on tubing string 10 and container bag firm banking 20.
Further, expand above tubing string 10 and have centralizer 11, the tubing string that ensures to expand enters process for 10 times can be placed in the middle.
Further, be wound with water-sensitive silk 18 outside described container bag 17, the tubing string that ensures to expand enters container bag 17 in process for 10 times and can not be destroyed, and water-sensitive silk 18 is automatically degraded under ground environment, and container bag 17 discharges automatically
Feature of the present invention and beneficial effect are:
(1) material of the present invention has certain intensity and all can bore again, and the tubular body that expands can sent into safely down-hole and automatically can slip out of the hand when pulling out of hole again by supporting tool;
(2) the present invention adopt slip casting tubing string and container bag can coordinate solution cavity scale assemble, customization, material used has good intensity and malleable, and has acidproof, alkaline-resisting, temperature tolerance preferably;
(3) the present invention can construct a restricted clearance in flowing water solution cavity, can not miss because of current after the curable material injected, realize that down-hole is limited solidifies, form the supporter with certain altitude, diameter and intensity, then supporter is drilled again set up circulation;
(4) tubing string that expands of the present invention is directly lower to drop ply leak stopping, and operating procedure is simple and practical, constructability, safe and reliable, improves the success rate of leak stopping, can greatly reduce the consumption of loss circulation material, saved cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
With reference to Fig. 1, one can assemble the releasable pipe plug leakage device that expands, comprise head and the tail up and down connect and in the drill rod connecting device 1 of hollow section, slip out of the hand device 5 and the tubing string 10 that expands, the described tubing string 10 that expands coaxially installs sectional slip casting tubing string 15, and sectional slip casting tubing string 15 upper end is connected to by Grouting Pipe column joint 14 and expands on tubing string 10, lower end is arranged on container bag firm banking 20 by Grouting Pipe column joint 19; Described sectional slip casting tubing string 15 overcoat has container bag 17, and the two ends up and down of described container bag 17 are fixed respectively by container bag box cupling 13 and container bag firm banking 20, and described container bag firm banking 20 bottom is connected with guide shoe 21; Described sectional slip casting tubing string 15 is evenly distributed with some sieve apertures 16, and described container bag 17 is wrapped on sectional slip casting tubing string 15 by water-sensitive silk 18.
The drilling rod taper joint 3 that drill rod connecting device 1 top is arranged is linked by screw thread and drilling rod, and the holder bracelet connection box 4 that described drill rod connecting device 1 bottom is arranged is connected pin thread 6 by screw thread with the ring of slipping out of the hand of slipping out of the hand on device 5 and connects.Described device 5 inside of slipping out of the hand arranges backflow preventer 7, has a ring 8 of slipping out of the hand below backflow preventer 7.Have slip casting tubing string to connect pin thread 9 below described device 5 of slipping out of the hand, can by expand the slip casting tubing string of tubing string 10 upper end connect box 12 will slip out of the hand device 5 with expand tubing string 10 and be connected.Expand above tubing string 10 and have centralizer 11, the tubing string that ensures to expand enters process for 10 times can be placed in the middle.
The present invention employing expand tubing string carry out drilling leakage blockage time, first by drilling rod taper joint 3, the whole pipe column tools that expands is connected with drilling rod, tubing string will be expanded by drilling rod and deliver to drop ply; Then adopt drilling rod to inject liquid solidification material by grouting port 2 to expanding in tubing string, liquid solidification material enters container bag 17 by sectional slip casting tubing string 15, sieve aperture 16, stops injecting after injection liquid solidification material reaches leak stopping requirement; Then automatically slipped out of the hand by the trip-out ring 8 that makes to slip out of the hand, cleaning drilling rod; Finally, Hou Ning, completes leak stopping, and lower brill bores plug.
Selected by expand tubing string 10 material all there is good drillability, organic fiber, organic rubber, plastics etc. should be adopted; Selected materials solidifies in down-hole, destroy, will have stability in degradation process under external force and streamflow regime.
The employing of slip casting tubing string is detachable, also can connect by many endowels, regulates as required according to solution cavity size, and convenient scene is applied and transported.
The making material of container bag not only needs to have best intensity, has certain malleable, and needs the performance with good acid-fast alkali-proof, there is the dimensional stability under uniform temperature effect, alternative material comprises nylon-type, terylene class, Kafra fiber class etc.; The size Selection of container bag can leak hunting according to scene or customizes the anticipation of solution cavity size.
Container bag two ends adopt box cupling to be fixed on slip casting tubing string, under enter to expand tubing string time container bag outer wrap water-sensitive silk, ensure to expand and enter container bag in process under tubing string and can not be destroyed, after transferring to drop ply, under ground environment, container bag discharges automatically.Can slip out of the hand rapidly after ensureing that liquid solidification material is injected container bag, pull out of hole cleaning drilling rod, devises ring of automatically slipping out of the hand; Solidification material is slipped out of the hand during trip-out after injecting automatically;
For ensureing that expanding tubing string delivers to drop ply as far as possible between two parties, near ring of slipping out of the hand, design adopts the righting pipe being less than borehole size, while righting, after slipping out of the hand, put in place if solidification material is not all sent into, this centralizer can play the effect that liquid solidification material accepted by funnel; During design, ring of slipping out of the hand arrives 10cm lower than the top of centralizer about 5 in level.
Employing of the present invention is expanded the method that tubing string carries out drilling leakage blockage and is comprised the following steps:
(1) tubing string will be expanded by drilling rod and deliver to drop ply;
(2) drilling rod is adopted to inject liquid solidification material to expanding in tubing string;
(3) liquid solidification material injects container bag by slip casting tubing string;
(4) stop injecting after injection liquid solidification material reaches leak stopping requirement;
(5) pull out of hole, slip out of the hand, cleaning drilling rod;
(6) Hou Ning, completes leak stopping, and lower brill bores plug.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. can assemble the releasable pipe plug leakage device that expands for one kind, it is characterized in that, comprise head and the tail up and down to connect and in drill rod connecting device (1), the device of slipping out of the hand (5) of hollow section with the tubing string (10) that expands, the described tubing string (10) that expands coaxially installs sectional slip casting tubing string (15), and sectional slip casting tubing string (15) upper end is connected to is expanded on tubing string (10) by Grouting Pipe column joint (14), lower end is arranged on container bag firm banking (20) by Grouting Pipe column joint (19); Described sectional slip casting tubing string (15) overcoat has container bag (17), the two ends up and down of described container bag (17) are fixed respectively by container bag box cupling (13) and container bag firm banking (20), and described container bag firm banking (20) bottom is connected with guide shoe (21); Described sectional slip casting tubing string (15) is evenly distributed with some sieve apertures (16).
2. one as claimed in claim 1 can assemble the releasable pipe plug leakage device that expands, it is characterized in that, the drilling rod taper joint (3) that described drill rod connecting device (1) top is arranged is linked by screw thread and drilling rod, and holder bracelet connection box (4) that described drill rod connecting device (1) bottom is arranged is connected pin thread (6) by screw thread with the ring of slipping out of the hand on device of slipping out of the hand (5) and connects.
3. one as claimed in claim 1 can assemble the releasable pipe plug leakage device that expands, it is characterized in that, described device of slipping out of the hand (5) inside arranges backflow preventer (7), and there is a ring of slipping out of the hand (8) backflow preventer (7) below.
4. one as claimed in claim 1 can assemble the releasable pipe plug leakage device that expands, it is characterized in that, described device of slipping out of the hand (5) below has a slip casting tubing string to connect pin thread (9), can by expand the slip casting tubing string of tubing string (10) upper end connect box (12) will slip out of the hand device (5) with expand tubing string (10) and be connected.
5. one as claimed in claim 1 can assemble the releasable pipe plug leakage device that expands, it is characterized in that, be connected to after the described sectional slip casting tubing string (15) expanded in the middle of tubing string (10) can select many sectional slip casting tubing strings (15) to be connected by hickey as required and expand on tubing string (10) and container bag firm banking (20).
6. one as claimed in claim 1 can assemble the releasable pipe plug leakage device that expands, and it is characterized in that, expanding tubing string (10) top has centralizer (11), ensure to expand enter process under tubing string (10) can be placed in the middle.
7. one as claimed in claim 1 can assemble the releasable pipe plug leakage device that expands, it is characterized in that, water-sensitive silk (18) is wound with outside described container bag (17), guarantee is expanded and is entered container bag in process (17) under tubing string (10) and can not be destroyed, and water-sensitive silk (18) is automatically degraded under ground environment, container bag (17) discharges automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510715529.6A CN105239957A (en) | 2015-10-28 | 2015-10-28 | Expanded tube leaking stoppage device capable of being assembled and released |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510715529.6A CN105239957A (en) | 2015-10-28 | 2015-10-28 | Expanded tube leaking stoppage device capable of being assembled and released |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105239957A true CN105239957A (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510715529.6A Pending CN105239957A (en) | 2015-10-28 | 2015-10-28 | Expanded tube leaking stoppage device capable of being assembled and released |
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| CN (1) | CN105239957A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761533A (en) * | 2017-01-16 | 2017-05-31 | 上海摩帝尔金属结构科技有限公司 | A kind of composite integrated device for plugging and method |
| CN106948789A (en) * | 2017-04-18 | 2017-07-14 | 江苏大学 | A kind of environmentally friendly bag type paste underground intake transformation device and its method for blocking |
| CN107740682A (en) * | 2017-11-28 | 2018-02-27 | 长江大学 | A kind of automatic adjustable leak stoppage tool |
| CN108952621A (en) * | 2017-05-22 | 2018-12-07 | 中石化石油工程技术服务有限公司 | A kind of interception bag type pluging leaking device |
| CN110630210A (en) * | 2019-10-16 | 2019-12-31 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Loess layer leakage-proof plugging tool and use method thereof |
| CN112253227A (en) * | 2020-11-25 | 2021-01-22 | 中国煤炭地质总局水文地质局 | Underground cavity plugging device and construction method thereof |
| CN112855067A (en) * | 2019-11-28 | 2021-05-28 | 中国石油化工股份有限公司 | Mechanical expansion type leakage stopping tool and leakage stopping method thereof |
| CN114033330A (en) * | 2021-11-25 | 2022-02-11 | 山东省水利勘测设计院 | Isolation device and isolation method for surveying penetration of drill hole through karst cave or crack |
| CN115013590A (en) * | 2022-05-23 | 2022-09-06 | 广州市第一市政工程有限公司 | Eccentric broken type pipe push bench front end slip casting device |
| CN116677343A (en) * | 2023-07-12 | 2023-09-01 | 扬州市油田金达实业有限公司 | Cementing plugging device and plugging method for large karst cave lost circulation |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761533A (en) * | 2017-01-16 | 2017-05-31 | 上海摩帝尔金属结构科技有限公司 | A kind of composite integrated device for plugging and method |
| CN106761533B (en) * | 2017-01-16 | 2023-05-05 | 上海摩帝尔金属结构科技有限公司 | Composite integrated plugging device and method |
| CN106948789A (en) * | 2017-04-18 | 2017-07-14 | 江苏大学 | A kind of environmentally friendly bag type paste underground intake transformation device and its method for blocking |
| CN106948789B (en) * | 2017-04-18 | 2019-04-02 | 江苏大学 | A kind of environmentally friendly bag type paste underground intake transformation device and its method for blocking |
| CN108952621A (en) * | 2017-05-22 | 2018-12-07 | 中石化石油工程技术服务有限公司 | A kind of interception bag type pluging leaking device |
| CN108952621B (en) * | 2017-05-22 | 2023-09-29 | 中石化石油工程技术服务有限公司 | Intercept pocket type plugging tool |
| CN107740682A (en) * | 2017-11-28 | 2018-02-27 | 长江大学 | A kind of automatic adjustable leak stoppage tool |
| CN107740682B (en) * | 2017-11-28 | 2024-03-22 | 长江大学 | Automatic regulation type plugging tool |
| CN110630210A (en) * | 2019-10-16 | 2019-12-31 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | Loess layer leakage-proof plugging tool and use method thereof |
| CN110630210B (en) * | 2019-10-16 | 2023-12-01 | 中国石油天然气集团有限公司 | Leakage-proof plugging tool for yellow soil layer and using method thereof |
| CN112855067B (en) * | 2019-11-28 | 2022-11-25 | 中国石油化工股份有限公司 | Mechanical expansion type leakage stopping tool and leakage stopping method thereof |
| CN112855067A (en) * | 2019-11-28 | 2021-05-28 | 中国石油化工股份有限公司 | Mechanical expansion type leakage stopping tool and leakage stopping method thereof |
| CN112253227B (en) * | 2020-11-25 | 2023-04-18 | 中国煤炭地质总局第二水文地质队 | Underground cavity plugging device and construction method thereof |
| CN112253227A (en) * | 2020-11-25 | 2021-01-22 | 中国煤炭地质总局水文地质局 | Underground cavity plugging device and construction method thereof |
| CN114033330A (en) * | 2021-11-25 | 2022-02-11 | 山东省水利勘测设计院 | Isolation device and isolation method for surveying penetration of drill hole through karst cave or crack |
| CN114033330B (en) * | 2021-11-25 | 2024-06-14 | 山东省水利勘测设计院有限公司 | Isolation device and isolation method for investigation drilling hole penetrating karst cave or fracture |
| CN115013590A (en) * | 2022-05-23 | 2022-09-06 | 广州市第一市政工程有限公司 | Eccentric broken type pipe push bench front end slip casting device |
| CN115013590B (en) * | 2022-05-23 | 2024-04-26 | 广州市第一市政工程有限公司 | Front end grouting device of eccentric crushing type pipe jacking machine |
| CN116677343A (en) * | 2023-07-12 | 2023-09-01 | 扬州市油田金达实业有限公司 | Cementing plugging device and plugging method for large karst cave lost circulation |
| CN116677343B (en) * | 2023-07-12 | 2023-10-20 | 扬州市油田金达实业有限公司 | Cementing plugging device and plugging method for large karst cave lost circulation |
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Application publication date: 20160113 |
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