CN101236141B - Underground gas collection spiral drill - Google Patents
Underground gas collection spiral drill Download PDFInfo
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- CN101236141B CN101236141B CN2007100635160A CN200710063516A CN101236141B CN 101236141 B CN101236141 B CN 101236141B CN 2007100635160 A CN2007100635160 A CN 2007100635160A CN 200710063516 A CN200710063516 A CN 200710063516A CN 101236141 B CN101236141 B CN 101236141B
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Abstract
The invention provides an earth gas collection screw auger which belongs to the drilling tool technical field. In order to solve the problems of complex operation, inconvenient maintenance, poor strength and limited collection depth lying in the prior earth gas collection screw auger, the invention proposes the earth gas collection screw auger comprising a taper bit body, a close cover screw rod, a drill rod and a handle, wherein the taper bit body is in screwed connection with the taper end of the close cover screw rod, the other end of the close cover screw rod is connected with the drill rod, the drill is then connected with the handle, a gas collection chamber is arranged inside the taper bit, vent holes communicated with the gas collection chamber are arranged on the bit, a filter element and a gasket are arranged inside the gas collection chamber, a gas taking long slim pipe contained in the filter element passes through the center of the gasket, and a holding-down bolt is used to compress the gasket to separate the gas collection chamber from the outer atmosphere. The gas taking long slim pipe is connected with a gas taking device after passing through the close cover screw rod, the drill rod and the handle in turn. The earth gas collection screw auger is a manual earth gas sampling device integrating gas picking and collection with convenient carrying, simple assembly, convenient maintenance, high strength, convenient operation, simplicity as well as reliability.
Description
Technical field
The present invention relates to a kind of drilling tool, more particularly, the present invention relates to a kind of drilling tool of gathering gas in the soil.
Background technology
Soil free hydrocarbon method is the gas that utilizes in the gas collecting device collection soil aperture, hydro carbons composition in the analytical gas, the gaseous hydrocarbon method of carrying out the exploration of oil gas chemistry.The soil free hydrocarbon is used for oil-gas exploration and starts from the thirties in 20th century, because the restriction of sampling and analysis and testing technology, in China, this method never has big development.
The acquisition method of soil free hydrocarbon is divided into two kinds of active method and passive meanses, and passive means is without any need for air extractor, but the drip catcher device will be placed several days on sampled point.Active method is divided into active extraction method and active concentration method, and initiatively extraction method is the gas that directly extracts in the soil, and initiatively concentration method is to make the gas of certain volume pass through a kind of drip catcher with constant speed, thereby selects absorption to specify the gas of composition.The common ground of sampling method is to make a call to a deep hole at sampling spot with drill rod, adopts the isolated and atmosphere exchange of a kind of measure again, with gas in air pump or the syringe extraction aperture.One of its difficult point is the sealing in aperture, sneaks into to prevent upper gas.The operation of existing production gas technology is loaded down with trivial details, bleeds and gas collection is divided into two steps, easily causes because of misoperation causes atmosphere and sneaks into, and can not guarantee acquisition quality; Can not gather the gas in the designated depth zone, existing apparatus is the regular length rod member, surpass people's body length, not only be difficult for transportation, and difficult operation, limited sampling depth, the feasible gas of being adopted is subject to shallow table gas breathing, biological root system respiration influences and causes big fluctuation, and stability is bad; Be difficult for collecting gas in the earth in moistening soil district, existing air extractor gas circuit space is big, in extracting earth before the gas, need the residual gas in the emptying gas circuit, under the big situation of soil moisture, after extracting a certain amount of gas, in the hole seeping phenomenon will take place, so inapplicable at moistening soil district said method.Although " underground gas collection drilling tool " (CN 1292148C) of patent CN 2385073Y and the invention of my institute can overcome above-mentioned defective; but because of filter screen, the slip-type of ventilative part filters protector structure; be subjected to certain restriction, safeguard not too convenient; intensity is affected; and the front end drill bit is longer, can not adapt to the demand that gas is got in southern geochemical exploration.
Utility model patent CN 2385073Y is the machine power drilling tool, its principal character is to utilize machine power to use the broken soil of splayed configuration drill bit, drilling tool is sent into the stratum, utilize gas collection spiral and of the row powder amount different sealings that realized for gas of capping spiral for soil, gas in the soil enters the gas collection spiral pipe by the air admission hole on space between Eight characters drill bit and the gas collection spiral pipe, then by the kapillary in the gas collection spiral pipe, pass through screen pack successively, kapillary, the gas collection interface enters in the gas bottle.This drilling tool is at arid biogeographic zone; desert area; really brought into play the effect of gas collecting; regrettably; in the ground moistening zone; the mountain region of road inconvenience; just do not bring into play due effect, the subject matter of existence is: one; the air inlet gas circuit is not provided with safeguard measure, the intercapillary filter screen role of two-section is not described in patent description; we can think gas circuit is protected; but illustrate as can be seen that from structure gas must pass through the bottom kapillary, could cross screen pack; in case the bottom kapillary stops up (water blocking; the earth extruding), lower gas just can not be extracted up: they are two years old; the requirement of the southern regional prospecting of incompatible China, the zone, south; many mountains; road is rugged, and soil cover is thin, and the road it is difficult to walk on the way certainly will will increase the landed cost of drilling tool; even unfeasible; soil cover is thin, with the sealing that makes this drilling tool be difficult to realize to gas, thereby gathers less than qualified gas.Three, in the agricultural tillage district, vehicle is difficult to arrive predetermined collection point on schedule, and needing the supporting drilling tool of rig must be the situation that can not adapt to the work area; Four, the prerequisite of this patent is to utilize vehicle that drilling tool and support equipment (rig, maintenance tool etc.) thereof are delivered to the collection point, if utilize the manpower transport, in theory should, but its human cost will be a costliness very.
Gas provides a kind of scheme that can realize to patent of invention CN 1292148C in the earth for manpower is gathered; it is to utilize manpower with in the drilling tool precession soil; utilization realizes sealing for gas to the extruding of soil; gas must be by aperture, the screen pack on the slip-type filter screen protector in the earth; enter collection chamber, the kapillary by connected set air chamber and gas bottle enters kapillary from collection chamber then.Drilling tool inside is to rely on packing washer to finish cutting apart of collection chamber and face of land gas.Be characterized in light weight, easy to assembly, substantially can satisfy the collection requirement of humidity, agricultural tillage district for gas.But in application, find to have following deficiency; One, insufficient strength, be difficult to bring into play the effect of its application on the ground at pan soil, because slip-type filter screen protector and filter screen are arranged on frame of the bit, and the nut of anchor slip formula filter screen protector, make the outer dia of collection chamber also just to have become the weakest part of drilling tool intensity herein less than the maximum gauge of frame of the bit, if increase its diameter, must increase the length and the spirochetal diameter of capping of frame of the bit, not only gain in weight, the physical demands that also makes manpower creep into increases; They are two years old; can not adapt to the thin zone of soils in south china overlayer and gather the needs of soil gas; owing to adopted slip-type filter screen protector; filter structure; according to our result of implementation; air admission hole should be less than 25 centimetres apart from the distance of drill bit tip; the drill bit screw thread has 20 centimetres approximately to the spacing of capping screw; and the soil cover in southern mountain area is usually at 50-70 centimetre; that is to say; under 70 centimetres soil horizon situation; the capping spiral also only enters 25 centimetres of soil horizons; obviously do not reach sealing process, utilize this kind drilling tool just can not collect qualified gas in the southern zone of energy efforts will be concentrated on prospecting at present for the gas in the soil horizon.Three, the employed age of a draught animal docking mode of drilling tool is for the requirement on machining accuracy height, be to satisfy the butt joint requirement theoretically, because manpower bores and can not keep drilling tool vertical in creeping in the actual mechanical process, and the difficulty of processing, make its interface very easily damage, it is practical permanent to be difficult to.
Therefore, from the active demand of country, press for that development a kind ofly is convenient to operation, is easy to maintenance, intensity height, can satisfies agricultural tillage district, moistening soil district and southern mountain needs, long-lived manpower underground gas collection device to the energy.
Summary of the invention
The present invention for the complicated operation that solves existing underground gas collection drilling tool and exist, safeguard problems such as inconvenient, intensity difference and sampling depth be limited, a kind of underground gas collection spiral drill has been proposed.
Concrete technical scheme is as follows.
Underground gas collection spiral drill of the present invention, comprise taper bit body, capping screw rod, drilling rod and handle, the taper bit body is threaded with the tapering point of capping screw rod, the other end of capping screw rod is connected with drilling rod, drilling rod is connected with handle again, it is characterized in that, in the taper bit body collection chamber is set, in the taper bit external body one annular groove is arranged, be furnished with 4～8 equally spaced air holes in the groove and communicate with collection chamber; In collection chamber, be provided with filter core, one end of filter core with get gas elongated tubular screw thread and join, adjacent with filter core have a sealing gasket, get the gas elongated tubular and pass the sealing gasket center, the other end of sealing gasket is provided with hold-down bolt, hold-down bolt is threaded with the taper bit body, with screwing hold-down bolt crush seal pad collection chamber and outside atmosphere is isolated; Get the gas elongated tubular and pass capping screw rod, drilling rod and handle successively, can with get gas equipment and join; Described capping screw rod is the hollow capping conveyor screw that periphery is provided with the two pass circular knife, from taper bit body link gradually chap up to the drilling rod equal diameter, remainder is an equal diameter, capping screw rod and taper bit body screw thread join; The other end at the capping screw rod is provided with pin fixed orifice and yi word pattern maternal interface or public access mouth, and this end periphery is provided with reverse thread; Described drilling rod is a hollow drill pipe, one end is provided with yi word pattern public access mouth or the maternal interface supporting with the capping screw rod, there is an annular flange flange to block the attaching nut in the attaching nut around this end periphery to be enclosed within, drilling rod and capping screw rod join with the yi word pattern interface, oppositely lock with the attaching nut, and in the pin fixed orifice of capping screw rod, insert the pin location, can not come off in the drilling tool Umklapp process guaranteeing; The drilling rod other end is a rectangle, has internal thread; Described handle center is provided with the rectangular recess that matches with the rectangular end of drilling rod, and the rectangular recess center is provided with circular hole, and the rectangular end of drilling rod is placed in the rectangular recess of handle, and the circular hole that fastening bolt passes handle is connected with the internal thread of drilling rod with rectangular recess.
Preferably, capping screw rod and taper bit body and function dog screw are fixed.
Preferably, on the taper bit body, be provided with a removal hole and can screw or pull down the taper bit body, have an air hole to communicate in the removal hole with collection chamber to insert a rod member.
For the shape of handle with constitute that there is no particular limitation, as long as easy to use just passable, can two or three rod members be installed on the handle central component, be convenient to like this exert oneself to rotate.
Because the taper bit body is conical, volume ratio is less, when being connected with the capping screw rod or dismantling, be not easy to hold, so preferably on described taper bit body, a removal hole is set, in removal hole, insert a rod member, hold rod member like this and just can screw or pull down the taper bit body, have an air hole to communicate in the removal hole, thereby collection chamber increases an air hole again with collection chamber, and the position is lower slightly than the air hole in the annular groove, more helps gas production.
The gas equipment of getting that can be connected with underground gas collection spiral drill of the present invention by air pump (syringe), syringe needle, get gas elongated tubular, gas bottle etc. and form, will with get syringe needle that the gas elongated tubular is connected and insert and fill in the gas bottle of saturated brine, the syringe needle that will be connected with syringe equally inserts in the gas bottle, with the salt solution in the syringe extraction gas bottle, make the pressure of getting gas in the gas elongated tubular be lower than soil gas pressure, under the effect of gas differential pressure, ground vapour is by air hole, through collection chamber, enter in the gas bottle by getting the gas elongated tubular.This promptly goes into drilling tool rotary in the soil with manpower, by helical blade sealing, gas-insulated with in atmosphere and the soil, adopts direct draining negative pressure to get the underground gas collection spiral drill that the gas method is directly got gas.
Underground gas collection spiral drill of the present invention in general phosgene field, Jian Nan gas field, rift district, ten room, northeast, Zhu Jiadun gas field, Yancheng all use, the ground vapour of collection coincide with known oil gas field singularly, has obtained good effect.
Air hole of the present invention can be 2～3 centimetres apart from taper bit body top, CN200310102236.8 compares with invention, distance has reduced 22 centimetres, make that the suffered squeezing action of drill bit bore is little, thereby make the present invention get pneumatic drill to have easily ventilative and labour-saving characteristics, gathering under the situation of same degree of depth gas, the length of drilling tool of the present invention is smaller than CN 200310102236.8 about 22 centimetres, and obviously the weight of drilling tool will obviously alleviate.
Taper bit body of the present invention is a small cone body, is creeping into and is withdrawing from the process, and suffered moment is less, is difficult for impairedly, and the capping spiral is an integral body, and both join closely with screw thread, thereby have improved the intensity of drilling tool.From the applicable cases in several work areas, the intensity of this part can satisfy the requirement of engineering of field sampling fully.
Capping spiral of the present invention is the two pass screw thread, compares with the single track screw thread, has improved the capping effect, has improved drill speed, compares with reaching same capping efficient, can reduce the length of closure threads, indirect minimizing the weight of drilling tool.
Interface of the present invention is a yi word pattern straight cutting interface, the age of a draught animal compares with butt joint, load and unload easy, handling ease, intensity height, interface are not fragile, thereby have guaranteed the bulk strength of drilling tool, can adapt to the needs that engineering is got gas.
The present invention has removed and has hidden watt formula protecting wire net filtration unit on structural design, and the lines flow smoothly to make the integral body of drilling tool, and beautiful design has improved its business promotion and has been worth.
Because structure of the present invention is more reasonable, make that not only maintenance is more convenient, and maintenance tool is less, make open-air entrained maintenance tool weight reduce, improved work efficiency indirectly.
The present invention is a manpower hollow spiral drill, the drill bit air inlet, and drillstock is bled, and is easy to carry, and assembling is simple, and is easy to maintenance; Taper bit body of the present invention does not adopt filter screen, slip-type to filter protector structure, thereby has increased intensity, and taper bit body volume of the present invention is less, and moment of torsion is less, not fragile, convenient and simple for operation, reliable when boring ground like this; Centralized procurement, gas collection are gas sampler in the manpower earth of one.
Description of drawings
Fig. 1 is the structural representation of underground gas collection spiral drill of the present invention.
Fig. 2 is the diagrammatic cross-section of the taper bit body of underground gas collection spiral drill of the present invention.
Fig. 3 is the diagrammatic cross-section of the capping screw rod of underground gas collection spiral drill of the present invention.
Fig. 4 is the diagrammatic cross-section of the drilling rod of underground gas collection spiral drill of the present invention.
Fig. 5 is the synoptic diagram of the handle of underground gas collection spiral drill of the present invention.
Symbol description:
1. filter core; 2. air hole; 3. get the gas elongated tubular; 4. dog screw; 5. sealing gasket; 6. hold-down bolt; 7. capping screw rod; 8. yi word pattern maternal interface or public access mouth; 9. drilling rod; 10. fastening bolt; 11. handle; 12. pin fixed orifice; 13. attaching nut; 14. removal hole; 15. taper bit body; 16. collection chamber.
Embodiment
Further explain underground gas collection spiral drill of the present invention with reference to the accompanying drawings.
As shown in Figure 1, underground gas collection spiral drill of the present invention, comprise taper bit body 15, capping screw rod 7, drilling rod 9 and handle 11, taper bit body 15 is threaded with the tapering point of capping screw rod 7, and the other end of capping screw rod 7 is connected with drilling rod 9, and drilling rod 9 is connected with handle 11 again, as shown in Figure 2, collection chamber 16 is set in the taper bit body 15, one annular groove is arranged, be furnished with 6 equally spaced air holes 2 in the groove and communicate with collection chamber 16 in taper bit body 15 outsides; Be provided with filter core 1 in collection chamber 16, stop soil to enter and get gas elongated tubular 3, avoid getting gas elongated tubular 3 and be blocked, gas enters by filter core 1 and gets gas elongated tubular 3; One end of filter core 1 with get gas elongated tubular 3 spirals and join, adjacent with filter core 1 have a sealing gasket 5, get gas elongated tubular 3 and pass sealing gasket 5 centers, the opposite side of sealing gasket 5 is provided with hold-down bolt 6, hold-down bolt 6 and taper bit body 15 isolate collection chamber 16 and outside atmosphere to be threaded with screwing hold-down bolt 6 crush seal pads 5; Get gas elongated tubular 3 and pass capping screw rod 7, drilling rod 9 and handle 11 successively, can with get gas equipment and join.
As shown in figs. 1 and 3, described capping screw rod 7 is provided with the hollow capping conveyor screw of two pass circular knife for periphery, from with taper bit body link gradually chap up to the drilling rod equal diameter, remainder is an equal diameter, capping screw rod 7 joins with taper bit body 15 screw threads, available two dog screws 4 are fixing, are provided with pin fixed orifice 12 and yi word pattern maternal interface or public access mouth 8 at the other end of capping screw rod 7, and this end periphery is provided with reverse thread.
As shown in figs. 1 and 4, drilling rod 9 is a hollow drill pipe, one end is provided with yi word pattern public access mouth or the maternal interface supporting with capping screw rod 7, there is an annular flange flange to block attaching nut 13 in the attaching nut 13 around this end periphery to be enclosed within, drilling rod 9 joins with yi word pattern interface straight cutting with capping screw rod 7, oppositely lock with the attaching nut, and in the pin fixed orifice 12 of capping screw rod 7, insert the pin location, can not come off in the drilling tool Umklapp process guaranteeing; Drilling rod 9 other ends are rectangle, have internal thread.
On taper bit body 15, be provided with a removal hole 14, in removal hole 14, insert a rod member and can screw or pull down the taper bit body, have an air hole to communicate in the removal hole with collection chamber 16.
Those skilled in the art sees, is not breaking away under spirit of the present invention and the main idea, can carry out many modifications to underground gas collection spiral drill of the present invention, and these are revised still in protection scope of the present invention.
Claims (3)
1. underground gas collection spiral drill, comprise taper bit body, capping screw rod, drilling rod and handle, the taper bit body is threaded with the tapering point of capping screw rod, the other end of capping screw rod is connected with drilling rod, drilling rod is connected with handle again, it is characterized in that, in the taper bit body collection chamber is set, in the taper bit external body one annular groove is arranged, be furnished with 4～8 equally spaced air holes in the groove and communicate with collection chamber; In collection chamber, be provided with filter core, one end of filter core with get gas elongated tubular screw thread and join, adjacent with filter core have a sealing gasket, get the gas elongated tubular and pass the sealing gasket center, the other end of sealing gasket is provided with hold-down bolt, hold-down bolt is threaded with the taper bit body, with screwing hold-down bolt crush seal pad collection chamber and outside atmosphere is isolated; Get the gas elongated tubular and pass capping screw rod, drilling rod and handle successively, can with get gas equipment and join; Described capping screw rod is the hollow capping conveyor screw that periphery is provided with the two pass circular knife, from taper bit body link gradually chap up to the drilling rod equal diameter, remainder is an equal diameter, capping screw rod and taper bit body screw thread join; The other end at the capping screw rod is provided with pin fixed orifice and yi word pattern maternal interface or public access mouth, and this end periphery is provided with reverse thread; Described drilling rod is a hollow drill pipe, one end is provided with yi word pattern public access mouth or the maternal interface supporting with the capping screw rod, there is an annular flange flange to block the attaching nut in the attaching nut around this end periphery to be enclosed within, drilling rod and capping screw rod join with the yi word pattern interface, oppositely lock with the attaching nut, and in the pin fixed orifice of capping screw rod, insert the pin location, can not come off in the drilling tool Umklapp process guaranteeing; The drilling rod other end is a rectangle, has internal thread; Described handle center is provided with the rectangular recess that matches with the rectangular end of drilling rod, and the rectangular recess center is provided with circular hole, and the rectangular end of drilling rod is placed in the rectangular recess of handle, and the circular hole that fastening bolt passes handle is connected with the internal thread of drilling rod with rectangular recess.
2. underground gas collection spiral drill as claimed in claim 1 is characterized in that, capping screw rod and taper bit body and function dog screw are fixed.
3. underground gas collection spiral drill as claimed in claim 1 is characterized in that, is provided with a removal hole and can screws or pull down the taper bit body to insert a rod member on the taper bit body, has an air hole to communicate with collection chamber in the removal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100635160A CN101236141B (en) | 2007-02-02 | 2007-02-02 | Underground gas collection spiral drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100635160A CN101236141B (en) | 2007-02-02 | 2007-02-02 | Underground gas collection spiral drill |
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| Publication Number | Publication Date |
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| CN101236141A CN101236141A (en) | 2008-08-06 |
| CN101236141B true CN101236141B (en) | 2010-11-17 |
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| CN2007100635160A Active CN101236141B (en) | 2007-02-02 | 2007-02-02 | Underground gas collection spiral drill |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316622B (en) * | 2014-10-20 | 2016-05-11 | 中国石油天然气股份有限公司 | Organic adsorption and enrichment apparatus and method in a kind of gas |
| CN104316368B (en) * | 2014-11-12 | 2017-01-11 | 环境保护部南京环境科学研究所 | Automatic sampler and sampling method for soil profile gas of refuse landfill |
| CN107153015B (en) * | 2016-03-02 | 2019-07-05 | 中国石油化工股份有限公司 | It is a kind of for acquiring the drilling tool of the gas in soil |
| CN106197645A (en) * | 2016-08-10 | 2016-12-07 | 中国地质大学（武汉） | A kind of pedestal |
| CN108507965B (en) * | 2018-03-13 | 2019-10-08 | 山东科技大学 | A kind of aeration zone CO 2 measuring device |
| CN108708717B (en) * | 2018-04-25 | 2020-02-11 | 中国地质科学院地球物理地球化学勘查研究所 | Shallow soil gas taking equipment for frozen soil area |
| CN110501184B (en) * | 2019-07-24 | 2021-10-22 | 华中农业大学 | Undisturbed soil sampling device |
| CN111551406B (en) * | 2020-05-25 | 2023-01-13 | 浙江明康工程咨询有限公司 | Anti-mixing shock-insulation type building foundation gas sample collector |
| CN114427460A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | Drilling tool is gathered to ground gas |
| CN112485069A (en) * | 2020-10-29 | 2021-03-12 | 中国地质大学（武汉） | Active soil gas acquisition and detection system |
| KR102624320B1 (en) * | 2023-03-28 | 2024-01-12 | 한국석유공사 | Natural Hydrogen Probe Device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1611743A (en) * | 2003-10-29 | 2005-05-04 | 中国石油化工股份有限公司 | Underground gas collecting drilling tool |
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2007
- 2007-02-02 CN CN2007100635160A patent/CN101236141B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1611743A (en) * | 2003-10-29 | 2005-05-04 | 中国石油化工股份有限公司 | Underground gas collecting drilling tool |
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