CN201610734U - Hole sealing pipe and hole sealing device - Google Patents

Hole sealing pipe and hole sealing device Download PDF

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Publication number
CN201610734U
CN201610734U CN2010201190674U CN201020119067U CN201610734U CN 201610734 U CN201610734 U CN 201610734U CN 2010201190674 U CN2010201190674 U CN 2010201190674U CN 201020119067 U CN201020119067 U CN 201020119067U CN 201610734 U CN201610734 U CN 201610734U
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CN
China
Prior art keywords
hole
baffle plate
baffle
hole sealing
siphunculus
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Expired - Fee Related
Application number
CN2010201190674U
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Chinese (zh)
Inventor
孙月庚
夏仕柏
王永清
程念东
陈军
严立峰
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Huainan Mining Group Co Ltd
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Huainan Mining Group Co Ltd
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Filing date
Publication date
Application filed by Huainan Mining Group Co Ltd filed Critical Huainan Mining Group Co Ltd
Priority to CN2010201190674U priority Critical patent/CN201610734U/en
Application granted granted Critical
Publication of CN201610734U publication Critical patent/CN201610734U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The embodiment of the utility model provides a hole sealing pipe and a hole sealing device. The hole sealing pipe comprises a hollow through pipe, and a first baffle plate, a second baffle plate and a third baffle plate are sequentially arranged on the outer side wall of the through pipe at intervals from top to bottom; the region between the first baffle plate and one end of the through pipe is used for placing a first consolidation agent; a grouting hole and a pulp returning hole are arranged on the first baffle plate, and the grouting treatment is carried out to the region between the first baffle plate and the second baffle plate through the grouting hole and the pulp returning hole; the region between the second baffle plate and the third baffle plate is used for placing an adsorbent; and the region between the third baffle plate and the other end of the through hole is used for placing a second consolidation agent. The adoption of the scheme of the embodiment of the utility model can improve the hole sealing quality of a dilled hole, ensure the gas extraction effect and further improve the safety of the mine production.

Description

Hole sealing tube and hole sealing device
Technical field
The utility model relates to cement mortar hole sealing technology field, relates in particular to a kind of hole sealing tube and hole sealing device.
Background technology
The sealing of hole treatment effect that coal mine gas sampling boring, pressure measurement boring etc. are holed directly affects the downhole safety production of mine.
Usually adopt the cement mortar hole-sealing technology to carry out sealing of hole in the prior art.During sealing of hole, adopt a penetrating cylindric hole sealing tube up and down, and hole sealing tube is stretched into boring.The polyamino resin shutoff is adopted in rear and front end in the residing boring of hole sealing tube, the hole sealing tube outside, and the middle seal section that forms uses hole-sealing pump that cement mortar is injected in the seal section, is that sealing of hole finishes after cement mortar is fully fermented.
But comparatively broken when the rock or the coal section of boring perforate, such as having the crack, perhaps the section internal drilling is constructed quantity more for a long time, and the cement mortar of injection can't fully be filled all cracks, causes drilling and sealing not tight.In order to increase the sealing of hole effect, also can adopt the method for high-pressure slip-casting to seal boring usually.But during high-pressure slip-casting, cause the landing of polyamino resin easily, still cause sealing of hole not tight, thereby cause phenomenons such as inaccurate, the extraction gas leakage of pressure measurement, directly endanger mine safety production boring.
The utility model content
The utility model embodiment provides a kind of hole sealing tube and hole sealing device, in order to solve the not tight defective of sealing of hole in the prior art, can improve the quality of the sealing of hole of boring.
The utility model embodiment provides a kind of hole sealing tube, comprises the hollow siphunculus,
Lateral wall at described siphunculus is arranged at intervals with first baffle plate, second baffle and the 3rd baffle plate from top to bottom successively;
Zone between described first baffle plate and described siphunculus one end is used to place first consolidating agent;
Described first baffle plate is provided with injected hole and returns the slurry hole, and by described injected hole and the described slurry hole of returning, the zone between described first baffle plate and described second baffle is carried out slip casting and handled;
Zone between described second baffle and described the 3rd baffle plate is used to place adsorbent;
Zone between described the 3rd baffle plate and the described siphunculus other end is used to place second consolidating agent.
Aforesaid hole sealing tube, described first baffle plate, described second baffle and described the 3rd baffle plate all with described siphunculus axis normal.
Aforesaid hole sealing tube, described first baffle plate, described second baffle and described the 3rd baffle plate are circular ring.
Aforesaid hole sealing tube, described injected hole and the described slurry hole of returning are symmetricly set on described first baffle plate.
Aforesaid hole sealing tube, the spacing of described first baffle plate and described second baffle is greater than 6 meters.
Aforesaid hole sealing tube, described first consolidating agent and described second consolidating agent are polyamino resin.
Aforesaid hole sealing tube, described adsorbent are dried sea-tangle or cotton yarn.
The utility model embodiment also provides a kind of hole sealing device, comprising:
Hole sealing tube adopts above-mentioned hole sealing tube;
Hole-sealing pump, sebific duct, Grouting Pipe and slurry recovering tube; Described sebific duct one end is connected with described hole-sealing pump, and the other end is connected with described Grouting Pipe; Described Grouting Pipe is passed described injected hole and is stretched into zone between described first baffle plate and the described second baffle; Described slurry recovering tube passes and describedly returns the slurry hole and stretch into zone between described first baffle plate and the described second baffle.
Aforesaid hole sealing device, the outer wall of described sebific duct is provided with the pressure meter that is used to detect grouting pressure.
Aforesaid hole sealing device, the junction of described sebific duct and described Grouting Pipe is provided with first control valve; Described slurry recovering tube outside port place is provided with second control valve.
Hole sealing tube that the utility model embodiment provides and hole sealing device, by being arranged at intervals with three baffle plates from top to bottom successively in the hole sealing tube outside, when sealing of hole, be used for fixing polyamino resin, dried sea-tangle or cotton yarn etc. between hole sealing tube and the boring, and form seal section at the middle part.Adopt the technical scheme of present embodiment, can guarantee during high-pressure slip-casting that the cement mortar of pressurizeing can be after filling up seal section, fully fill each crack around the borehole wall.So, adopt the technical scheme of present embodiment can improve the sealing quality of boring, help improving the gas pumping effect and accurately measure gas pressure, thereby improve the safety that mine is produced.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the generalized section of the hole sealing tube of the utility model embodiment one;
Fig. 2 is the structural representation of first baffle plate of the utility model embodiment one;
Fig. 3 is the structural representation of the hole sealing device of the utility model embodiment two;
The single hole extraction concentration schematic diagram that Fig. 4 holes for the hole sealing device sealing of hole that adopts the utility model embodiment two;
The pressure measxurement schematic diagram that Fig. 5 holes for the hole sealing device sealing of hole that adopts the utility model embodiment two.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Further specify the technical scheme of the utility model embodiment below in conjunction with the drawings and specific embodiments.
Embodiment one
Fig. 1 is the generalized section of the hole sealing tube of the utility model embodiment one, and as shown in Figure 1, the package tube of present embodiment comprises a hollow siphunculus 1, is arranged at intervals with first baffle plate 2, second baffle 3 and the 3rd baffle plate 4 from top to bottom successively at the lateral wall of siphunculus 1.Siphunculus 1 can be columned hollow siphunculus.Zone between first baffle plate 2 and siphunculus 1 one ends 101 is used to place first consolidating agent; First consolidating agent is used for an end 101 of fixed siphunculus 1 and the hole wall of boring 5.First baffle plate 2 is provided with injected hole 6 and returns slurry hole 7, starches hole 7 by injected hole 6 with returning, and the zone between first baffle plate 2 and second baffle 3 is carried out slip casting and handled.Zone between second baffle 3 and the 3rd baffle plate 4 is used to place adsorbent; Adsorbent is used to adsorb the moisture between the hole wall of the outer wall of siphunculus 1 and boring 5.Zone between the other end 102 of the 3rd baffle plate 4 and siphunculus 1 is used to place second consolidating agent; Second consolidating agent is in order to the other end 102 of fixed siphunculus 1 and the hole wall of boring 5.First consolidating agent and second consolidating agent can adopt polyamino resin; Adsorbent can adopt dried sea-tangle or cotton yarn.
As shown in Figure 1, for ease of describing, might as well be the boundary with the position of first baffle plate 2, the part of first baffle plate more than 2 on the siphunculus 1 is an end 101 of siphunculus 1.Position with the 3rd baffle plate 4 is the boundary, and the part of the 3rd baffle plate below 4 on the siphunculus 1 is the other end 102 of siphunculus 1.
During sealing of hole, first consolidating agent of between an end 101 of first baffle plate 2 and siphunculus 1, placing, an end 101 of siphunculus 1 is fixed with the hole wall of boring 5.Can be used for adsorbing siphunculus 1 outside and the moisture of holing between 5 at the adsorbent of placing between second baffle 3 and the 3rd baffle plate 4.Second consolidating agent of between the other end 102 of the 3rd baffle plate 4 and siphunculus 1, placing, the other end 102 of siphunculus 1 is fixed with the hole wall of boring 5.And between first baffle plate 2 and second baffle 3, form the seal cavity that can be used to inject cement mortar, also claim seal section.Need to prove that the diameter dimension of first baffle plate 2, second baffle 3 and the 3rd baffle plate 4 is slightly less than the aperture of boring 5, can guarantee like this when cement mortar is injected in pressurization that liquid cement mortar can fully immerse the crack, everywhere around the boring.Because the protective effect of each baffle plate, the cement mortar of pressurization can not cause consolidating agent or adsorbent landing, thereby improves the quality of drilling and sealing.
Need to prove, first baffle plate 2 in the present embodiment, second baffle 3 and the 3rd baffle plate 4 all with the axis normal of siphunculus 1; Can adopt the mode of welding three baffle plates to be welded on the outer wall of siphunculus 1.
Need to prove that first baffle plate 2, second baffle 3 and the 3rd baffle plate 4 are circular ring.Injected hole 6 on first baffle plate 2 and return being arranged on first baffle plate 2 that slurry hole 7 can symmetry, perhaps distribution or asymmetrical distribution is on first baffle plate 2.Fig. 2 is the structural representation of first baffle plate of the utility model embodiment one; As shown in Figure 2, injected hole 6 and return slurry hole 7 and be symmetrically distributed on first baffle plate 2.
Need to prove that in order to guarantee the effect of sealing of hole, the spacing of first baffle plate 2 and second baffle 3 is greater than 6 meters.Whether equidistantly wherein the spacing between first baffle plate 2, second baffle 3 and the 3rd baffle plate 4 can be equidistantly, perhaps, Figure 1 shows that the situation of unequal-interval between first baffle plate 2, second baffle 3 and the 3rd baffle plate 4.
The present embodiment hole sealing tube is provided with three baffle plates from top to bottom successively at interval by the outer wall at siphunculus, when sealing of hole, is used for fixing consolidating agent and adsorbent between hole sealing tube and the boring, and is formed for injecting the seal section of cement mortar at the middle part.Adopt the technical scheme of present embodiment, can guarantee during high-pressure slip-casting that the cement mortar of pressurizeing fills up after the seal section, fully fill each crack around the borehole wall.And can not cause the landing of consolidating agent in the high-pressure slip-casting process; Can guarantee the density of drilling and sealing, improve the quality of drilling and sealing effectively.
Embodiment two
Fig. 3 is the structural representation of the hole sealing device of the utility model embodiment two; As shown in Figure 3, the hole sealing device of present embodiment comprises the hole sealing tube of the foregoing description one, also comprises: hole-sealing pump 8, sebific duct 9, Grouting Pipe 10 and slurry recovering tube 11.Sebific duct 9 selects to resist the high-pressure rubber pipe of certain pressure.Sebific duct 9 one ends link to each other with hole-sealing pump 8, and the other end is connected with Grouting Pipe 10, and Grouting Pipe 10 is passed injected hole 6 and stretched into zone between first baffle plate 2 and the second baffle 3; Slurry recovering tube 11 passes and returns slurry hole 7 and stretch into zone between first baffle plate 2 and the second baffle 3.
Preferably, Grouting Pipe 10 is passed first baffle plate 2 by injected hole 6 and is stretched near the second baffle 3, is used under the effect of pressure, is injected into the seal cavity that first baffle plate 2 and second baffle 3 form with cement paste is bottom-up.11 of slurry recovering tubes just pass first baffle plate 2 and get final product, and are used for outwards returning when seal section between first baffle plate 2 and second baffle 3 is filled with cement mortar cement mortar.Adopt this preferred version, when can guarantee to inject cement mortar, cement mortar be sent into the position of the bottommost layer of seal section; When cement mortar is about to fill with, just to outwards return cement mortar near position near second baffle 2, can guarantee that cement mortar fully fills seal section, guaranteed the effect of sealing.Need to prove that injected hole 6 and return slurry hole 7 and do not have substantive difference can exchange use.
As shown in Figure 3, for to prevent under the not enough situation of pressure, cement mortar can not fully be filled each crack around boring 5 hole walls, can one pressure meter 12 be set at sebific duct 9 outer walls, pressure meter 12 is used to detect the pressure when injecting cement mortar, can guarantee that under certain pressure intensity cement mortar can fully be filled hole wall each crack on every side of boring 5.In order to guarantee sealing quality, preferably, the pressure that requires to inject cement mortar can not be lower than 4MPa, and promptly the registration of pressure meter 12 can not be less than 4MPa.
As shown in Figure 3, can also be provided with first control valve 13 in the junction of sebific duct 9 and Grouting Pipe 10; First control valve 13 is used for control after slip casting is finished, and closes the port that Grouting Pipe 10 links to each other with sebific duct 9.As shown in Figure 3, can also be provided with second control valve 14, be used to close slurry recovering tube 11 outside ports, forbid filling with and continue outwards to return cement mortar after the cement mortar at slurry recovering tube 11 outside port places, otherwise the pressure when needing to regulate the slip casting of hole-sealing pump 8 places.
The hole sealing device of present embodiment by adopting the hole sealing tube of the foregoing description, can carry out sealing of hole to boring under certain pressure.Adopt the hole sealing device of present embodiment, can improve the sealing quality of boring effectively, help improving the gas pumping effect and accurately measure gas pressure, thereby improve the safety that mine is produced.
Hole sealing device with the foregoing description is an example below, describes the hole sealing tube of the embodiment of the invention and the use step of hole sealing device in detail:
(1) at first second consolidating agent is tied up on the other end 102 of siphunculus 1 of hole sealing tube, be about to the zone between the other end 102 that second consolidating agent is limited to the 3rd baffle plate 4 and siphunculus 1, the soffit that abuts against the 3rd baffle plate 4 with second consolidating agent is advisable.Adsorbent is wrapped between second baffle 3 and the 3rd baffle plate 4, and ties, water a small amount of polyamine resin with fine rule; Second consolidating agent can adopt polyamino resin, and adsorbent can adopt dried sea-tangle or cotton yarn;
(2) hole sealing tube that step (1) is assembled is packed into rapidly in the boring 5 that finishes of construction;
(3) will be used to inject the Grouting Pipe 10 of cement mortar and being used to respectively returns the slurry recovering tube 11 of cement mortar and inserts the injected hole 6 on first baffle plate 2 respectively and return slurry hole 7; Wherein Grouting Pipe 10 extends near second baffle 3 places, and slurry recovering tube 11 stretches out first baffle plate 2 and gets final product;
(4) treat that adsorbent expands energetically after, adopt first consolidating agent to seal up the aperture of boring 5, particularly, the zone of first consolidating agent between an end 101 of first baffle plate 2 and siphunculus 1.In order to increase sealing effectiveness, preferably below boring 5 aperture 1m, fill first consolidating agent, above first consolidating agent with the position filling concrete mortar in the aperture of boring 5; Like this, between first baffle plate 2 and second baffle 3, form a seal section; Wherein first consolidating agent can adopt polyamino resin;
(5) hole-sealing pump 8 is pressed into Grouting Pipe 10 with cement mortar by sebific duct 9 under the effect of pressure, cement mortar is pressed into the seal section between first baffle plate 2 and the second baffle 3 the most at last, can detect the pressure that cement mortar is injected by the pressure meter 12 that detects sebific duct 9 arranged outside, in order to guarantee the sealing of hole effect, the normal conditions downforce can not be less than 4MPA;
When (6) treating that slurry recovering tube 11 outside ports outwards return cement mortar, stop slip casting, close second control valve 14 of slurry recovering tube 11 arranged outside; Band presses benefit to starch once more after a while, and promptly hole-sealing pump 8 continues to be pressed into cement mortar to seal section, so that cement mortar is fully filled the 5 hole walls crack, everywhere on every side of holing under certain pressure; Usually according to actual needs, can be with several times to press and mend the slurry process, return for the last time after the slurry, close first control valve 13 of Grouting Pipe 10 arranged outside, sealing of hole finishes; Last site clearing.
Adopt hole sealing tube of the present utility model and hole sealing device sealing of hole, can guarantee the extraction concentration of gas effectively.Fig. 4 is for adopting the single hole extraction concentration schematic diagram of the utility model hole sealing device sealing of hole boring; As shown in Figure 4, field trial shows, adopt the hole sealing device of the utility model embodiment that sealing of hole is carried out in boring, under the condition of hole pumping and mining negative pressure greater than 20Kpa, intact first day extraction initial stage gas density of sealing of hole is 94% to the maximum, gas pumping concentration after stable also can reach more than 30%, satisfies the demand of gas pumping concentration.
Adopt hole sealing tube of the present utility model and hole sealing device sealing of hole, drilling and sealing is tight, and gas pressure is measured accurately.Fig. 5 is for adopting the pressure measxurement schematic diagram of the utility model hole sealing device sealing of hole boring; Shown in 5, field trial shows, detect the pressure of the boring of the hole sealing device sealing of hole that adopts the utility model embodiment, the minute section has been holed from sealing of hole and had been begun in first day to thereafter the 23rd day, shown in 5, can detect gas pressure and just begin to increase progressively day by day, slowly tend towards stability, maximum reaches 2.6Mpa; Until extraction borehole being constructed the just release decay of boring gas pressure.So can know, adopt the boring of hole sealing tube of the present utility model and hole sealing device shutoff closely knit, effective.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (10)

1. a hole sealing tube comprises the hollow siphunculus, it is characterized in that,
Lateral wall at described siphunculus is arranged at intervals with first baffle plate, second baffle and the 3rd baffle plate from top to bottom successively;
Zone between described first baffle plate and described siphunculus one end is used to place first consolidating agent;
Described first baffle plate is provided with injected hole and returns the slurry hole, and by described injected hole and the described slurry hole of returning, the zone between described first baffle plate and described second baffle is carried out slip casting and handled;
Zone between described second baffle and described the 3rd baffle plate is used to place adsorbent;
Zone between described the 3rd baffle plate and the described siphunculus other end is used to place second consolidating agent.
2. hole sealing tube according to claim 1 is characterized in that, described first baffle plate, described second baffle and described the 3rd baffle plate all with described siphunculus axis normal.
3. hole sealing tube according to claim 1 is characterized in that, described first baffle plate, described second baffle and described the 3rd baffle plate are circular ring.
4. hole sealing tube according to claim 1 is characterized in that, described injected hole and the described slurry hole of returning are symmetricly set on described first baffle plate.
5. according to the arbitrary described hole sealing tube of claim 1-4, it is characterized in that the spacing of described first baffle plate and described second baffle is greater than 6 meters.
6. according to the arbitrary described hole sealing tube of claim 1-4, it is characterized in that described first consolidating agent and described second consolidating agent are polyamino resin.
7. according to the arbitrary described hole sealing tube of claim 1-4, it is characterized in that described adsorbent is dried sea-tangle or cotton yarn.
8. hole sealing device comprises:
Hole sealing tube is the arbitrary described hole sealing tube of claim 1-7;
Hole-sealing pump, sebific duct, Grouting Pipe and slurry recovering tube; Described sebific duct one end is connected with described hole-sealing pump, and the other end is connected with described Grouting Pipe; Described Grouting Pipe is passed described injected hole and is stretched into zone between described first baffle plate and the described second baffle; Described slurry recovering tube passes and describedly returns the slurry hole and stretch into zone between described first baffle plate and the described second baffle.
9. hole sealing device according to claim 8 is characterized in that the outer wall of described sebific duct is provided with the pressure meter that is used to detect grouting pressure.
10. according to Claim 8 or 9 described hole sealing devices, it is characterized in that the junction of described sebific duct and described Grouting Pipe is provided with first control valve; Described slurry recovering tube outside port place is provided with second control sluice.
CN2010201190674U 2010-02-20 2010-02-20 Hole sealing pipe and hole sealing device Expired - Fee Related CN201610734U (en)

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Application Number Priority Date Filing Date Title
CN2010201190674U CN201610734U (en) 2010-02-20 2010-02-20 Hole sealing pipe and hole sealing device

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606190A (en) * 2011-01-20 2012-07-25 淮南矿业(集团)有限责任公司 Method and device for using downward crossing hole to eliminate outburst in mining of coal mine
CN103362542A (en) * 2013-08-08 2013-10-23 中国矿业大学 Sectionalized hole sealing method for bedding gas extraction drilled holes
CN104314515A (en) * 2014-10-23 2015-01-28 神华集团有限责任公司 Method and device for sealing coal mine drilled hole
CN104481450A (en) * 2014-11-07 2015-04-01 北京中煤矿山工程有限公司 Sealing method for hydrological hole
CN107939382A (en) * 2018-01-03 2018-04-20 平安煤炭开采工程技术研究院有限责任公司 Gas pressure test device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606190A (en) * 2011-01-20 2012-07-25 淮南矿业(集团)有限责任公司 Method and device for using downward crossing hole to eliminate outburst in mining of coal mine
CN103362542A (en) * 2013-08-08 2013-10-23 中国矿业大学 Sectionalized hole sealing method for bedding gas extraction drilled holes
CN104314515A (en) * 2014-10-23 2015-01-28 神华集团有限责任公司 Method and device for sealing coal mine drilled hole
CN104481450A (en) * 2014-11-07 2015-04-01 北京中煤矿山工程有限公司 Sealing method for hydrological hole
CN107939382A (en) * 2018-01-03 2018-04-20 平安煤炭开采工程技术研究院有限责任公司 Gas pressure test device

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Granted publication date: 20101020

Termination date: 20130220