CN102505926A - Unfreezing machine for horizontal directional drilling - Google Patents
Unfreezing machine for horizontal directional drilling Download PDFInfo
- Publication number
- CN102505926A CN102505926A CN201110371062XA CN201110371062A CN102505926A CN 102505926 A CN102505926 A CN 102505926A CN 201110371062X A CN201110371062X A CN 201110371062XA CN 201110371062 A CN201110371062 A CN 201110371062A CN 102505926 A CN102505926 A CN 102505926A
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- ring
- cover
- washover
- mills
- horizontal directional
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Abstract
The invention relates to the field of horizontal directional drilling crossing construction, in particular to an unfreezing machine for horizontal directional drilling. The unfreezing machine comprises a washover ring I and a washover ring II, wherein the washover ring I and the washover ring II are welded together through a connection block; the washover ring II is sleeved on a washover shaft; seal rings are additionally arranged at two ends of the washover ring II for sealing; a hole, in which an oil nipple is mounted, is formed on the inner side of the washover ring II; an oil storage trough is processed on the washover shaft; and the front end of the washover shaft is connected with a transitional pup joint. The unfreezing machine has the advantages that effective unfreezing can be realized without the limit of distances among freeze points; the cost is low; the construction efficiency is high; and the defects of short unfreezing distance and high cost of the conventional sleeve technology are overcome.
Description
Technical field:
The present invention relates to a kind of horizontal directional drill crossing construction field, particularly a kind of horizontal directional drill stuck-releasing device.
Background technology:
In horizontal directional drill crossing construction field, be easy to landslide behind the caving ground pore-formings such as fine sand, medium sand, coarse sand, circle gravel, therefore lock of tool drilling takes place easily.Can only prevent the generation of lock of tool drilling at present through the performance of adjustment mud; In case behind the generation bit freezing; Deal with very difficulty, often adopt sleeve technology to carry out unfreezing, this technology has good effect at 200m with interior accident apart from rig for stuck point; Can't adopt the sleeve technology unfreezing but distance is long, therefore pass through the unfreezing poor effect for long distance.
Summary of the invention:
The technical problem that the present invention will solve provides a kind of horizontal directional drill stuck-releasing device, and this device has realized not receiving the effectively unfreezing of restriction of stuck point distance, and cost is low, and efficiency of construction is high.Overcome existing sleeve technology unfreezing apart from weak point, deficiency that cost is high.
The technical scheme that the present invention taked is: a kind of horizontal directional drill stuck-releasing device comprises that cover mills ring I and cover mills ring II; Cover mills ring I and cover and mills and encircle II and weld together through contiguous block; Cover mills ring II and is sleeved on the milling spindle and through installing sealing ring additional at two ends and seals; Cover mills the interior pump nozzle of STH installation in the ring II, is processed with oil storage tank on the cover milling spindle, and cover milling spindle front end connects the transition short circuit.
Sealing ring and cover mill ring II, the cover milling spindle is interference fit.
Cover milling spindle and cover mill ring II and adopt matched in clearance.
The invention has the beneficial effects as follows: the present invention has been owing to adopted two covers to mill the mode that ring matches, thereby has the effective function of unfreezing of restriction that does not receive the stuck point distance, and cost is low, the efficiency of construction height; Adopt the horizontal directional drill mode of passing through to construct for the geology except that rock, can avoid taking place behind the bit freezing drilling tool and can not withdraw from and bring about great losses, reduced orientation and drilled construction risk more.
Description of drawings:
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
Accompanying drawing is a structural representation of the present invention.
The specific embodiment:
Shown in accompanying drawing, a kind of horizontal directional drill stuck-releasing device comprises that cover mills ring I 1 and mills ring II 2 with cover; Cover mills ring I 1 and mills ring II 2 with cover and weld together through contiguous block 3; Cover mills ring II 2 and is sleeved on the milling spindle 4 and through install sealing ring 6 additional at two ends and seals; Sealing ring 6 mills ring II 2 with cover, cover milling spindle 4 is interference fit, and cover mills pump nozzle in STHs are installed in the ring II 2, is processed with oil storage tank on the cover milling spindle 4 and is used for storing lubricating oil fat; Cover milling spindle 4 mills ring II 2 with cover and adopts matched in clearance, and cover milling spindle 4 front ends connect transition short circuit 5.
Connect drill bit at transition short circuit 5 front ends earlier during the unfreezing construction,, cover is milled ring I 1 be inserted in, along being gone in the hole by the bit freezing bar drill by the bit freezing bar at cover milling spindle 4 rear end jointed rod and rigs; Spray the loosening stratum of mud when creeping into, discharge drilling cuttings, after the present invention passes through stuck point; Lay down the drilling rod of cover milling spindle 4 rear ends, connect by the bit freezing bar, rotation pushes by the bit freezing bar; Normal like moment of torsion and pulling force, the unfreezing success is described, then the present invention is withdrawed from.
It is understandable that; More than about specific descriptions of the present invention; Only be used to the present invention is described and be not to be subject to the described technical scheme of the embodiment of the invention; Those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention, to reach identical technique effect; As long as satisfy the use needs, all within protection scope of the present invention.
Claims (3)
1. a horizontal directional drill stuck-releasing device comprises that cover mills ring I (1) and cover mills ring II (2); It is characterized in that: the cover mill the ring I (1) with cover mill the ring II (2) weld together through contiguous block (3); Cover mills ring II (2) and is sleeved on the milling spindle (4) and seals through install sealing ring (6) additional at two ends; Cover mills the interior STH of ring II (2) interior pump nozzle is installed; Be processed with oil storage tank on the cover milling spindle (4), cover milling spindle (4) front end connects transition short circuit (5).
2. according to the described horizontal directional drill stuck-releasing device of claim 1, it is characterized in that: said sealing ring (6) mills ring II (2) with cover, cover milling spindle (4) is interference fit.
3. according to the described horizontal directional drill stuck-releasing device of claim 1, it is characterized in that: said cover milling spindle (4) mills ring II (2) with cover and adopts matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110371062XA CN102505926A (en) | 2011-11-21 | 2011-11-21 | Unfreezing machine for horizontal directional drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110371062XA CN102505926A (en) | 2011-11-21 | 2011-11-21 | Unfreezing machine for horizontal directional drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102505926A true CN102505926A (en) | 2012-06-20 |
Family
ID=46218054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110371062XA Pending CN102505926A (en) | 2011-11-21 | 2011-11-21 | Unfreezing machine for horizontal directional drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102505926A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102597A (en) * | 1986-04-14 | 1988-02-03 | 阿茨国际器具公司 | Reamer and cutlery thereof |
| US5074355A (en) * | 1990-08-10 | 1991-12-24 | Masx Energy Services Group, Inc. | Section mill with multiple cutting blades |
| CN101353953A (en) * | 2008-09-03 | 2009-01-28 | 安徽省地质矿产勘查局313地质队 | Loose stratum well pipe unfreezing device |
| CN201246125Y (en) * | 2008-09-05 | 2009-05-27 | 熊凯 | Sizing vertical scraping and milling machine |
| CN201953334U (en) * | 2011-01-04 | 2011-08-31 | 孔令伟 | Sleeve cutter head |
-
2011
- 2011-11-21 CN CN201110371062XA patent/CN102505926A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102597A (en) * | 1986-04-14 | 1988-02-03 | 阿茨国际器具公司 | Reamer and cutlery thereof |
| US5074355A (en) * | 1990-08-10 | 1991-12-24 | Masx Energy Services Group, Inc. | Section mill with multiple cutting blades |
| CN101353953A (en) * | 2008-09-03 | 2009-01-28 | 安徽省地质矿产勘查局313地质队 | Loose stratum well pipe unfreezing device |
| CN201246125Y (en) * | 2008-09-05 | 2009-05-27 | 熊凯 | Sizing vertical scraping and milling machine |
| CN201953334U (en) * | 2011-01-04 | 2011-08-31 | 孔令伟 | Sleeve cutter head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120620 |